:root {
    --bg: #edf3f7;
    --bg-strong: #dfeaf1;
    --card: rgba(255, 255, 255, 0.92);
    --line: #cbdbe6;
    --text: #183247;
    --muted: #60798c;
    --accent: #2679bd;
    --accent-strong: #165f9f;
    --accent-soft: #d7ebfb;
    --danger: #c95757;
    --success: #67b782;
    --shadow: 0 16px 40px rgba(40, 73, 98, 0.12);
    --bg-primary: var(--bg);
    --bg-secondary: var(--bg-strong);
    --bg-card: var(--card);
    --bg-field: rgba(251, 253, 255, 0.95);
    --bg-soft: var(--accent-soft);
    --text-primary: var(--text);
    --text-secondary: var(--muted);
    --text-inverse: #fff;
    --border-color: var(--line);
    --border-subtle: rgba(203, 219, 230, 0.85);
    --accent-primary: var(--accent);
    --accent-hover: var(--accent-strong);
    --accent-focus: rgba(38, 121, 189, 0.12);
    --success-text: #2f7d45;
    --danger-text: #ae3f46;
    --warning-text: #9b5a03;
    --overlay: rgba(20, 34, 46, 0.45);
    --shadow-soft: 0 8px 24px rgba(47, 80, 106, 0.06);
}

/* Theme hook: dark tokens will be defined here when dark mode is introduced. */
[data-theme="dark"] {
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
    margin: 0;
    font-family: "Trebuchet MS", "Segoe UI", Tahoma, sans-serif;
    color: var(--text-primary);
    background:
        radial-gradient(circle at top left, rgba(38, 121, 189, 0.12), transparent 28%),
        radial-gradient(circle at top right, rgba(103, 183, 130, 0.12), transparent 24%),
        linear-gradient(180deg, #f8fbfd 0%, var(--bg) 52%, var(--bg-strong) 100%);
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 18px 30px;
    background: rgba(248, 252, 254, 0.82);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-soft);
    z-index: 10;
}

.brand-wrap {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-mark {
    width: 52px;
    height: 52px;
    flex: 0 0 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(245, 249, 255, 0.98), rgba(235, 243, 255, 0.96));
    box-shadow: inset 0 0 0 1px rgba(199, 219, 243, 0.88);
}

.brand-mark svg,
.brand-mark img {
    width: 32px;
    height: 32px;
    display: block;
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.brand {
    font-weight: 800;
    letter-spacing: 0.02em;

    font-size: 26px;
}
.brand-subtitle {
    color: var(--muted);
    font-size: 14px;
    font-weight: 600;
}
.nav {
    display: flex;
    gap: 10px;
    align-items: center;

    flex-wrap: wrap;
}

.nav form {
    margin: 0;
    display: flex;
    align-items: stretch;
}
.nav a, .button {
    text-decoration: none;
    border: none;
    cursor: pointer;
    background: linear-gradient(180deg, var(--accent-primary) 0%, var(--accent-hover) 100%);
    color: var(--text-inverse);
    padding: 11px 17px;
    border-radius: 14px;
    font-weight: 600;
    box-shadow: 0 10px 18px rgba(38, 121, 189, 0.18);
    transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}
.nav form .button {
    display: flex;
    align-items: center;
    justify-content: center;
}
.nav a:hover, .button:hover { transform: translateY(-1px); }
.nav a {
    background: rgba(215, 235, 251, 0.76);
    color: var(--text-primary);
    box-shadow: none;
}
.nav a.active {
    background: linear-gradient(180deg, var(--accent-primary) 0%, var(--accent-hover) 100%);
    color: var(--text-inverse);
    box-shadow: 0 10px 18px rgba(38, 121, 189, 0.18);
}
.button.light {
    background: rgba(215, 235, 251, 0.88);
    color: var(--text-primary);
    box-shadow: none;
}
.button.danger {
    background: linear-gradient(180deg, #d96d6d 0%, var(--danger) 100%);
    box-shadow: 0 10px 18px rgba(201, 87, 87, 0.18);
}
.button.success-soft {
    background: linear-gradient(180deg, rgba(243, 252, 244, 0.98) 0%, rgba(234, 248, 236, 0.98) 100%);
    color: var(--success-text);
    border: 1px solid rgba(128, 187, 138, 0.9);
    box-shadow: none;
}
.button:disabled,
.nav a[aria-disabled="true"] {
    opacity: 0.72;
    cursor: wait;
    transform: none !important;
    box-shadow: none;
}

.page {
    padding: 26px;
    max-width: 1600px;
    margin: 0 auto;
}

.page:has(.student-hero),
.page:has(.student-finance-hero),
.page:has(.student-settings-hero) {
    max-width: 1760px;
}
.panel {
    background: var(--card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 22px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}
.panel.narrow { max-width: 760px; margin: 0 auto; }
.page-hero {
    background:
        radial-gradient(circle at top right, rgba(38, 121, 189, 0.12), transparent 28%),
        linear-gradient(180deg, rgba(255,255,255,0.96) 0%, rgba(244,249,253,0.96) 100%);
}
.panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}
.panel-head h1,
.panel-head h2,
.panel-head h3 {
    margin: 0;
}

.page-subtitle {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.5;
    margin-top: 6px;
}

.center-text {
    text-align: center;
}

.hero-stats {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 18px;
}

.hero-stat {
    min-width: 170px;
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(226, 242, 255, 0.72);
    border: 1px solid rgba(183, 217, 246, 0.9);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hero-stat strong {
    font-size: 24px;
    color: var(--accent);
}

.hero-stat span {
    color: var(--muted);
    font-weight: 700;
    font-size: 14px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 16px;
}
.form-grid label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-weight: 600;
}
.form-grid .full { grid-column: 1 / -1; }
.choice-label {
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text);
}
.choice-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.choice-grid-times {
    gap: 8px;
}
.choice-button {
    appearance: none;
    border: 1px solid rgba(182, 206, 224, 0.95);
    background: linear-gradient(180deg, rgba(245,250,254,0.98) 0%, rgba(233,243,250,0.96) 100%);
    color: var(--text);
    border-radius: 14px;
    padding: 10px 14px;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.choice-button-title {
    display: block;
    font-weight: 700;
}
.choice-button-subtitle {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 600;
}
.choice-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 18px rgba(58, 94, 122, 0.12);
    border-color: rgba(93, 151, 199, 0.9);
}
.choice-button.active {
    border-color: rgba(33, 110, 177, 0.95);
    background: linear-gradient(180deg, rgba(43, 125, 196, 0.96) 0%, rgba(28, 100, 169, 0.96) 100%);
    color: #fff;
    box-shadow: 0 12px 20px rgba(31, 94, 152, 0.22);
}
.choice-button.active .choice-button-subtitle {
    color: rgba(255,255,255,0.86);
}
.choice-button-date {
    min-width: 148px;
    text-align: left;
}
.choice-grid-times .choice-button {
    min-width: 132px;
    justify-content: center;
    text-align: center;
}
.top-gap-small {
    margin-top: 8px;
}
.slot-defaults-block {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.slot-defaults-title {
    margin-top: 2px;
}
.slot-defaults-grid {
    align-items: end;
}
.slot-defaults-grid label {
    min-width: 0;
}
.check {
    flex-direction: row !important;
    align-items: center !important;
    justify-content: flex-start;
    gap: 10px;
    width: 100%;
    text-align: left;
}
.check input,
input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
    flex: 0 0 auto;
    padding: 0;
    accent-color: var(--accent);
}
.check span {
    flex: 1 1 auto;
}

input, select, textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 11px 12px;
    font: inherit;
    color: var(--text-primary);
    background: var(--bg-field);
    transition: border-color 140ms ease, box-shadow 140ms ease, background 140ms ease;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: rgba(38, 121, 189, 0.7);
    box-shadow: 0 0 0 4px var(--accent-focus);
    background: white;
}

.table-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.list-row {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 16px;
    border: 1px solid rgba(203, 219, 230, 0.85);
    border-radius: 16px;
    text-decoration: none;
    color: inherit;
    background: rgba(251, 253, 255, 0.9);
    transition: transform 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}
.list-row:hover {
    transform: translateY(-1px);
    border-color: rgba(38, 121, 189, 0.45);
    box-shadow: 0 12px 22px rgba(38, 121, 189, 0.08);
}
.lesson-student-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: flex-end;
}
.student-transfer-box {
    width: min(360px, 100%);
}
.student-transfer-box summary {
    list-style: none;
}
.student-transfer-box summary::-webkit-details-marker {
    display: none;
}

.muted { color: var(--muted); font-size: 14px; }
.empty-state {
    padding: 16px;
    border: 1px dashed var(--line);
    border-radius: 16px;
    color: var(--muted);
    text-align: center;
    background: rgba(255, 255, 255, 0.5);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 800;
}

.status-badge-active {
    background: #e6f7ea;
    color: #237247;
}

.status-badge-muted {
    background: #eef3f6;
    color: #698093;
}

.day-title {
    font-weight: 800;
    font-size: 17px;
}
.day-date {
    color: var(--muted);
    margin: 6px 0 12px;
    font-size: 16px;
    font-weight: 700;
}
.day-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    margin-bottom: 10px;
}
.day-actions.inline-actions {
    flex-direction: row;
    flex-wrap: wrap;
}

.lesson-chip:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 22px rgba(58, 94, 122, 0.12);
}
.lesson-chip-clickable {
    cursor: pointer;
}

.lesson-chip span:last-child {
    color: var(--text);
}
.lesson-chip .actions {
    margin-top: 6px;
}
.lesson-chip .actions form {
    margin: 0;
}
.chip-note {
    color: var(--muted);
    font-size: 13px;
}
.status-planned {
    background: linear-gradient(180deg, #fff6e7 0%, #fff1d8 100%);
}
.status-confirmed {
    background: linear-gradient(180deg, #ebf9f0 0%, #daf2e1 100%);
}
.status-reschedule_requested {
    background: linear-gradient(180deg, #fff0f0 0%, #ffdede 100%);
}
.status-late_reschedule_requested {
    background: linear-gradient(180deg, #ffe9dd 0%, #ffd2c0 100%);
}
.status-rescheduled {
    background: linear-gradient(180deg, #f0f1f5 0%, #e2e6ed 100%);
    opacity: 0.88;
}
.status-completed {
    background: linear-gradient(180deg, #edf8ef 0%, #d7f0dc 100%);
}
.status-cancelled { opacity: 0.65; }
.status-cancelled_by_student { opacity: 0.65; }
.status-cancelled_by_teacher { opacity: 0.65; }
.slot-chip {
    background: linear-gradient(180deg, #eaf7ff 0%, #d8efff 100%);
    border-style: dashed;
    border-color: rgba(38, 121, 189, 0.5);
}
.slot-chip strong {
    color: #0f6b92;
}
.gap-chip {
    border-radius: 12px;
    padding: 8px 10px;
    background: rgba(191, 216, 238, 0.5);
    color: var(--muted);
    text-align: center;
    font-size: 13px;
    border: 1px dashed rgba(127, 167, 199, 0.7);
}

.flash-stack { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.flash {
    padding: 12px 16px;
    border-radius: 14px;
    background: linear-gradient(180deg, #eff8ff 0%, #e0f1ff 100%);
    border: 1px solid #b7d9f6;
    box-shadow: 0 10px 18px rgba(38, 121, 189, 0.08);
}
.message-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(16, 36, 52, 0.42);
    backdrop-filter: blur(6px);
    z-index: 1200;
}
.message-modal {
    width: min(520px, 100%);
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(203, 219, 230, 0.95);
    border-radius: 26px;
    box-shadow: 0 24px 60px rgba(25, 54, 76, 0.2);
    padding: 22px;
}
.message-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}
.message-head h2 {
    margin: 0;
    font-size: 30px;
}
.message-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.message-item {
    padding: 14px 16px;
    border-radius: 16px;
    background: linear-gradient(180deg, #eff8ff 0%, #e0f1ff 100%);
    border: 1px solid #b7d9f6;
    box-shadow: 0 10px 18px rgba(38, 121, 189, 0.08);
}
.message-modal .modal-actions {
    margin-top: 14px;
}

.finance-badge-positive {
    background: #e6f7ea;
    color: #237247;
}
.finance-badge-negative {
    background: #fdebec;
    color: #ae3f46;
}
.finance-info-link {
    background: none;
    border: none;
    color: var(--accent);
    font-weight: 700;
    padding: 0;
    box-shadow: none;
}

.finance-payment-card:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 24px rgba(58, 94, 122, 0.12);
    border-color: rgba(38, 121, 189, 0.4);
}
.finance-payment-date,
.finance-payment-side {
    color: var(--accent);
    font-weight: 700;
}

.stats-month-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.stats-month-title {
    font-size: 30px;
    font-weight: 800;
    text-align: center;
    flex: 1 1 240px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
}

.stat-card {
    min-height: 170px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: linear-gradient(180deg, rgba(232, 245, 255, 0.95) 0%, rgba(244, 250, 255, 0.96) 100%);
}

.stat-value {
    font-size: 34px;
    line-height: 1.1;
    font-weight: 800;
    color: var(--text);
}

.stat-diff {
    font-size: 15px;
    font-weight: 700;
}

.stat-diff-green {
    color: #23834f;
}

.stat-diff-red {
    color: #b04a4a;
}

.stat-diff-neutral {
    color: var(--muted);
}

.stat-title {
    font-size: 16px;
    color: var(--muted);
    font-weight: 700;
}
.finance-balances-head {
    align-items: start;
}

.is-positive {
    color: #319258;
}
.is-zero {
    color: #cf8a15;
}
.is-negative {
    color: #c34f56;
}
.modal-wide {
    width: min(920px, 100%);
}
.modal-actions-between {
    justify-content: space-between;
    flex-wrap: wrap;
}
.finance-student-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.finance-student-balance {
    font-size: 42px;
    font-weight: 800;
}
.finance-student-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.finance-history-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.info-box, .note { color: var(--muted); line-height: 1.5; }

.soft-box h3 {
    margin-top: 0;
    margin-bottom: 12px;
}
.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.top-section {
    margin-top: 20px;
}

.access-box {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.time-row, .actions, .week-nav {
    display: flex;
    align-items: center;
    gap: 10px;
}
.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}
.manage-slot-form-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}
.manage-slot-form-actions .check {
    flex: 1 1 auto;
}
#delete-slot-form {
    display: flex;
    align-items: center;
    margin: 0;
}
@media (max-width: 560px) {
    .manage-slot-form-actions {
        align-items: stretch;
        flex-direction: column;
    }
}
.top-gap {
    margin-top: 14px;
}
.time-row input { width: 78px; }
.actions.wrap { flex-wrap: wrap; margin-top: 14px; }
.lesson-manage-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    align-items: stretch;
}
.lesson-manage-actions form {
    margin: 0;
}
.lesson-manage-actions .button {
    width: 100%;
    height: 100%;
    justify-content: center;
    text-align: center;
}

.manage-lesson-parameters,
.manage-lesson-scope-card,
.manage-lesson-extra-actions {
    margin: 0;
}

.manage-lesson-section-head {
    margin-bottom: 14px;
}

.manage-lesson-section-head h2,
.manage-lesson-section-head p {
    margin: 0;
}

.manage-lesson-section-head h2 {
    color: var(--text-primary);
    font-size: 18px;
    line-height: 1.2;
}

.manage-lesson-section-head p {
    margin-top: 4px;
    color: var(--text-secondary);
    font-size: 14px;
}

.manage-lesson-scope-card {
    border-color: rgba(126, 181, 231, 0.62);
    background: var(--bg-card);
}

.manage-lesson-save-actions {
    margin-top: 2px;
}

.manage-lesson-extra-actions {
    background: var(--bg-card);
}

.modal-panel.manage-lesson-modal-panel {
    width: min(800px, 100%);
    max-height: min(92dvh, 940px);
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.manage-lesson-modal-panel > .panel-head {
    flex: 0 0 auto;
    padding: 24px 28px 18px;
    margin: 0;
}
.manage-lesson-title-group,
.manage-lesson-section-head,
.manage-lesson-link-row,
.manage-lesson-footer-actions,
.manage-lesson-footer-note {
    display: flex;
    align-items: center;
}
.manage-lesson-title-group { gap: 14px; }
.manage-lesson-title-icon,
.manage-lesson-scope-icon {
    display: inline-grid;
    place-items: center;
    flex: 0 0 auto;
    color: var(--accent-primary);
    background: #edf5ff;
    border-radius: 14px;
}
.manage-lesson-title-icon { width: 48px; height: 48px; }
.manage-lesson-title-icon img { width: 24px; height: 24px; }
.manage-lesson-modal-body {
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 0 28px 22px;
}
.manage-lesson-modal-body .detail-card-section { margin-top: 16px; }
.manage-lesson-modal-body .manage-lesson-parameters { margin-top: 0; }
.manage-lesson-section-head {
    align-items: flex-start;
    gap: 12px;
}
.manage-lesson-step {
    display: inline-grid;
    width: 30px;
    height: 30px;
    place-items: center;
    flex: 0 0 auto;
    border-radius: 50%;
    background: var(--accent-primary);
    color: #fff;
    font-size: 14px;
    font-weight: 800;
    box-shadow: 0 5px 12px rgba(35, 115, 191, 0.22);
}
.manage-lesson-link-row { gap: 12px; }
.manage-lesson-link-row input { min-width: 0; flex: 1 1 auto; }
.manage-lesson-link-row .button { flex: 0 0 auto; white-space: nowrap; }
.manage-lesson-link-row .button img,
.manage-lesson-footer-note img { width: 16px; height: 16px; }
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}
.manage-lesson-scope-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}
.manage-lesson-scope-option {
    display: flex;
    gap: 12px;
    min-height: 118px;
    padding: 16px;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: var(--bg-card);
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
}
.manage-lesson-scope-option:hover { border-color: var(--accent-primary); }
.manage-lesson-scope-option.is-selected {
    border-color: var(--accent-primary);
    background: #f2f8ff;
    box-shadow: inset 0 0 0 1px rgba(35, 115, 191, 0.12);
}
.manage-lesson-scope-icon { width: 42px; height: 42px; }
.manage-lesson-scope-icon img { width: 22px; height: 22px; }
.manage-lesson-scope-option strong,
.manage-lesson-scope-option small { display: block; }
.manage-lesson-scope-option strong { margin: 2px 0 6px; font-size: 16px; }
.manage-lesson-scope-option small { color: var(--text-secondary); font-size: 13px; line-height: 1.4; }
.manage-lesson-modal-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex: 0 0 auto;
    padding: 16px 28px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-card);
}
.manage-lesson-footer-note { gap: 8px; color: var(--text-secondary); font-size: 13px; }
.manage-lesson-footer-actions { gap: 10px; }
.manage-lesson-tabs {
    display: flex;
    gap: 8px;
    flex: 0 0 auto;
    padding: 0 28px 14px;
    border-bottom: 1px solid var(--border-color);
}
.manage-lesson-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 38px;
    padding: 8px 12px;
    border: 0;
    border-bottom: 2px solid transparent;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 750;
    cursor: pointer;
}
.manage-lesson-tab img { width: 17px; height: 17px; }
.manage-lesson-tab:hover { color: var(--accent-primary); }
.manage-lesson-tab.is-active { border-bottom-color: var(--accent-primary); color: var(--accent-primary); }
.manage-lesson-tab-panel { min-width: 0; }
.manage-lesson-tab-panel[hidden] { display: none !important; }
.manage-lesson-field-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.manage-lesson-field-label img { width: 16px; height: 16px; }
.manage-lesson-summary-list {
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: var(--bg-card);
}
.manage-lesson-summary-row {
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr) auto 14px;
    align-items: center;
    width: 100%;
    min-height: 54px;
    gap: 10px;
    padding: 10px 14px;
    border: 0;
    border-bottom: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
}
.manage-lesson-summary-row:last-child { border-bottom: 0; }
.manage-lesson-summary-row:hover { background: #f7fbff; }
.manage-lesson-summary-row > img:first-child {
    width: 28px;
    height: 28px;
    padding: 5px;
    border-radius: 9px;
    background: #edf5ff;
}
.manage-lesson-summary-row > span { font-weight: 700; }
.manage-lesson-summary-row small { color: var(--text-secondary); font-size: 12px; }
.manage-lesson-row-chevron { width: 14px; height: 14px; }
.manage-lesson-tab-panel #lesson-details-form { margin-top: 0; }
.manage-lesson-tab-panel .collapsible-summary { gap: 10px; }
.manage-lesson-tab-panel .collapsible-summary img { width: 22px; height: 22px; }
@media (max-width: 640px) {
    .manage-lesson-modal-panel > .panel-head { padding: 18px 18px 14px; }
    .manage-lesson-modal-body { padding: 0 18px 18px; }
    .manage-lesson-title-icon { width: 42px; height: 42px; }
    .manage-lesson-title-group { gap: 10px; }
    .manage-lesson-title-group h1 { font-size: 25px; }
    .manage-lesson-tabs { padding: 0 18px 12px; }
    .manage-lesson-tab { flex: 1 1 0; padding-inline: 8px; font-size: 13px; }
    .manage-lesson-link-row,
    .manage-lesson-modal-footer { align-items: stretch; flex-direction: column; }
    .manage-lesson-scope-options { grid-template-columns: 1fr; }
    .manage-lesson-footer-actions { justify-content: stretch; }
    .manage-lesson-footer-actions .button { flex: 1 1 0; }
    .manage-lesson-summary-row { grid-template-columns: 28px minmax(0, 1fr) 12px; gap: 8px; padding-inline: 12px; }
    .manage-lesson-summary-row small { grid-column: 2; }
    .manage-lesson-row-chevron { grid-column: 3; grid-row: 1 / span 2; }
}
.week-range {
    font-weight: 800;
    padding: 10px 16px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(203, 219, 230, 0.7);
}
.student-stats-head {
    align-items: flex-start;
}
.student-stats-filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}
.student-stats-filter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 13px;
    border-radius: 999px;
    border: 1px solid rgba(183, 217, 246, 0.95);
    background: rgba(235, 246, 255, 0.9);
    color: var(--text);
    font-weight: 700;
    text-decoration: none;
    transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}
.student-stats-filter:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 18px rgba(38, 121, 189, 0.1);
}
.student-stats-filter.is-active {
    background: linear-gradient(180deg, var(--accent) 0%, var(--accent-strong) 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 10px 18px rgba(38, 121, 189, 0.16);
}
.student-stats-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 14px;
}
.student-stats-groups {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.student-stats-group {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid rgba(183, 217, 246, 0.95);
    background: rgba(235, 246, 255, 0.9);
    color: var(--text);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: background 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}
.student-stats-group:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 18px rgba(38, 121, 189, 0.1);
}
.student-stats-group.is-active {
    background: linear-gradient(180deg, var(--accent) 0%, var(--accent-strong) 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 10px 18px rgba(38, 121, 189, 0.16);
}

.day-card-today {
    border-color: rgba(38, 121, 189, 0.75);
    box-shadow: 0 16px 30px rgba(38, 121, 189, 0.14);
}
.day-card-today .day-title {
    color: var(--accent);
}

.student-search-bar input {
    flex: 1 1 280px;
}
.journal-filter-bar {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 18px;
}
.journal-filter-actions {
    display: flex;
    align-items: end;
    gap: 10px;
    flex-wrap: wrap;
}
.journal-search-field {
    grid-column: 1 / -1;
}
.student-journal-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
}
.student-journal-card {
    border: 1px solid rgba(203, 219, 230, 0.9);
    border-radius: 18px;
    background: rgba(251, 253, 255, 0.96);
    padding: 16px;
    box-shadow: 0 10px 20px rgba(58, 94, 122, 0.06);
}
.student-journal-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}
.student-journal-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
    color: var(--muted);
    font-size: 14px;
}
.student-journal-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}
.student-journal-grid strong,
.student-journal-grid span {
    display: block;
}
.student-journal-grid span {
    color: var(--muted);
    font-size: 13px;
    margin-bottom: 4px;
}
.student-journal-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
    flex-wrap: wrap;
}
.is-draggable-handle {
    cursor: move;
    user-select: none;
}
.student-stats-box {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.student-stats-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.student-stats-list strong {
    color: var(--text);
}
.student-stats-table-wrap {
    width: 100%;
    overflow-x: auto;
}
.student-stats-table {
    width: 100%;
    min-width: 880px;
    border-collapse: separate;
    border-spacing: 0;
}
.student-stats-table th,
.student-stats-table td {
    padding: 12px 10px;
    border-bottom: 1px solid rgba(203, 219, 230, 0.85);
    text-align: left;
    vertical-align: middle;
}
.student-stats-table th {
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
}
.student-stats-table td {
    color: var(--text);
    font-size: 14px;
}
.student-stats-table tbody tr:last-child td {
    border-bottom: none;
}

.student-active-toggle input {
    width: 18px;
    height: 18px;
    margin: 0;
    flex: 0 0 auto;
}
.reminder-stack {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.reminder-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px;
    border: 1px solid rgba(203, 219, 230, 0.85);
    border-radius: 14px;
    background: rgba(251, 253, 255, 0.92);
    font-weight: 700;
}
.reminder-option input {
    width: 18px;
    height: 18px;
    margin: 0;
    flex: 0 0 auto;
    accent-color: var(--accent);
}
.mini-link {
    display: inline-block;
    margin-bottom: 10px;
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}
.day-action-button {
    border: 1px solid rgba(38, 121, 189, 0.22);
    border-radius: 12px;
    padding: 8px 12px;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
    transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
}
.day-action-button:hover {
    transform: translateY(-1px);
}
.day-action-button-lesson {
    background: linear-gradient(180deg, #fff2dd 0%, #ffe7bf 100%);
    color: #9b5a03;
    box-shadow: 0 8px 18px rgba(183, 131, 39, 0.12);
}
.day-action-button-slot {
    background: linear-gradient(180deg, #e9f6ff 0%, #d8efff 100%);
    color: #0f6b92;
    box-shadow: 0 8px 18px rgba(38, 121, 189, 0.12);
}
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: var(--overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 30;
}
.modal-backdrop[hidden] {
    display: none !important;
}
.modal-panel {
    width: min(760px, 100%);
    max-height: min(92vh, 980px);
    overflow-y: auto;
    background: rgba(255, 255, 255, 0.97);
    border: 1px solid var(--border-color);
    border-radius: 26px;
    padding: 22px;
    box-shadow: 0 24px 60px rgba(25, 46, 64, 0.24);
    backdrop-filter: blur(14px);
    scrollbar-width: thin;
    scrollbar-color: rgba(38, 121, 189, 0.35) transparent;
}
#student-cancel-comment-field { display: grid; gap: 7px; color: var(--text-primary); font-size: 14px; font-weight: 750; }
#student-cancel-comment-field[hidden] { display: none !important; }
#student-cancel-comment { width: 100%; min-height: 92px; padding: 11px 12px; border: 1px solid #c9ddf2; border-radius: 12px; background: #fbfdff; color: var(--text-primary); font: inherit; font-weight: 500; line-height: 1.4; resize: vertical; }
#student-cancel-comment:focus { outline: none; border-color: #5ba2ef; box-shadow: 0 0 0 3px rgba(54, 137, 230, .14); }
.modal-panel::-webkit-scrollbar {
    width: 8px;
}
.modal-panel::-webkit-scrollbar-track {
    background: transparent;
}
.modal-panel::-webkit-scrollbar-thumb {
    background-color: rgba(38, 121, 189, 0.35);
    border-radius: 999px;
    border: 2px solid transparent;
    background-clip: padding-box;
}
.modal-panel::-webkit-scrollbar-thumb:hover {
    background-color: rgba(38, 121, 189, 0.55);
    background-clip: padding-box;
}
.detail-card-section {
    margin-top: 18px;
    padding: 16px;
    border-radius: 18px;
    border: 1px solid rgba(203, 219, 230, 0.9);
    background: linear-gradient(180deg, rgba(250, 253, 255, 0.96) 0%, rgba(242, 249, 253, 0.96) 100%);
}
.collapsible-card[open] {
    box-shadow: 0 12px 24px rgba(58, 94, 122, 0.08);
}
.collapsible-summary {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    cursor: pointer;
    list-style: none;
    font-size: 18px;
    font-weight: 800;
    color: var(--text);
}
.collapsible-summary .muted {
    margin-left: auto;
    text-align: right;
}
.collapsible-summary::-webkit-details-marker {
    display: none;
}
.collapsible-summary::after {
    content: "+";
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: rgba(225, 240, 252, 0.95);
    color: var(--accent);
    font-size: 24px;
    line-height: 1;
    font-weight: 700;
}
.collapsible-card[open] > .collapsible-summary::after {
    content: "−";
}

.detail-card-section h2 {
    margin: 0 0 12px;
    font-size: 22px;
}
.detail-info-grid,
.detail-summary-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}
.detail-info-item,
.detail-summary-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.detail-info-item span,
.detail-summary-item span {
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}
.detail-info-item strong {
    font-size: 18px;
    line-height: 1.2;
}
.detail-text-block {
    min-height: 54px;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid rgba(203, 219, 230, 0.9);
    background: rgba(255, 255, 255, 0.95);
    white-space: pre-wrap;
    line-height: 1.45;
}
.file-list-block {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.file-list-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}
.file-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.file-pill-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.file-pill {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    gap: 6px;
    padding: 9px 12px;
    border-radius: 999px;
    background: rgba(232, 244, 255, 0.95);
    border: 1px solid rgba(155, 198, 234, 0.95);
    color: var(--accent);
    text-decoration: none;
    font-weight: 700;
    font: inherit;
    cursor: pointer;
    min-width: 220px;
    text-align: left;
}
.file-pill:hover {
    background: rgba(219, 238, 255, 0.98);
}
.file-pill-download {
    background: rgba(242, 246, 250, 0.95);
    border-color: rgba(203, 219, 230, 0.95);
    color: var(--text);
}
.file-action-button {
    border: none;
    border-radius: 999px;
    padding: 8px 12px;
    background: rgba(38, 121, 189, 0.12);
    color: var(--accent-strong);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}
.file-action-button:hover {
    background: rgba(38, 121, 189, 0.18);
}
.file-select-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
}
.inline-file-delete-form {
    margin: 0;
}
.compact-button {
    padding: 9px 13px;
    border-radius: 12px;
}
.file-delete-button {
    border: none;
    border-radius: 999px;
    padding: 8px 12px;
    background: rgba(233, 97, 97, 0.12);
    color: #c94747;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}
.file-delete-button:hover {
    background: rgba(233, 97, 97, 0.2);
}
.paste-file-hint {
    padding: 10px 12px;
    border-radius: 14px;
    border: 1px dashed rgba(155, 198, 234, 0.95);
    background: rgba(245, 251, 255, 0.98);
    color: var(--muted);
    font-size: 14px;
}
.paste-file-hint:focus {
    outline: 2px solid rgba(38, 121, 189, 0.28);
    outline-offset: 2px;
}
.modal-panel-preview {
    width: min(980px, 100%);
}
.file-preview-body {
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(203, 219, 230, 0.9);
    border-radius: 18px;
    background: rgba(248, 252, 255, 0.9);
    overflow: hidden;
}
.file-preview-image {
    display: block;
    max-width: 100%;
    max-height: 72vh;
    object-fit: contain;
}
.file-preview-frame {
    width: 100%;
    height: min(72vh, 820px);
    border: none;
    background: #fff;
}
.empty-state.compact {
    width: 100%;
    padding: 10px 12px;
    min-height: 0;
}
.icon-close {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 50%;
    background: rgba(215, 235, 251, 0.88);
    color: var(--text);
    cursor: pointer;
    transition: transform 140ms ease, background 140ms ease;
}
.icon-close img,
.icon-close svg {
    width: 22px;
    height: 22px;
    display: block;
}
.icon-close:hover {
    transform: rotate(90deg);
    background: rgba(196, 225, 247, 0.95);
}

.student-insights-head,
.student-history-head {
    align-items: flex-start;
    gap: 12px;
}
.student-insights-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}
.student-insight-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 10px;
    min-height: 124px;
    padding: 16px 18px;
    border-radius: 18px;
    border: 1px solid rgba(188, 216, 238, 0.9);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 10px 20px rgba(58, 94, 122, 0.05);
}
.student-insight-label {
    font-size: 13px;
    font-weight: 800;
    color: var(--muted);
}
.student-insight-value {
    font-size: 29px;
    line-height: 1.05;
    font-weight: 800;
    color: var(--accent);
}
.student-insight-meta {
    font-size: 13px;
    color: var(--muted);
    font-weight: 700;
}
.student-progress {
    height: 7px;
    border-radius: 999px;
    background: rgba(225, 236, 245, 0.95);
    overflow: hidden;
}
.student-progress-bar {
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, rgba(70, 161, 108, 0.88) 0%, rgba(111, 200, 146, 0.96) 100%);
}
.student-history-filters {
    display: flex;
    align-items: end;
    gap: 12px;
    flex-wrap: wrap;
}
.student-history-filter {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 170px;
}
.student-history-filter span {
    font-size: 12px;
    font-weight: 800;
    color: var(--muted);
}
.student-history-filter-search {
    flex: 1 1 320px;
}
.student-history-filter-search input,
.student-history-filter select {
    height: 46px;
}
.student-history-reset {
    flex: 0 0 auto;
}
.student-history-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.student-history-item {
    border: 1px solid rgba(199, 218, 233, 0.92);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 10px 18px rgba(58, 94, 122, 0.04);
    overflow: hidden;
}
.student-history-row {
    display: flex;
    align-items: stretch;
    gap: 10px;
    padding: 12px;
}
.student-history-toggle {
    flex: 1 1 auto;
    min-width: 0;
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, 1fr);
    align-items: center;
    gap: 14px;
    border: 1px solid rgba(232, 240, 246, 0.9);
    border-radius: 14px;
    background: rgba(251, 253, 255, 0.98);
    padding: 12px 14px;
    text-align: left;
    cursor: pointer;
    transition: background 140ms ease, box-shadow 140ms ease, border-color 140ms ease, transform 140ms ease;
}
.student-history-toggle:hover {
    background: rgba(244, 249, 253, 0.98);
    border-color: rgba(167, 204, 232, 0.95);
    box-shadow: 0 10px 18px rgba(58, 94, 122, 0.07);
    transform: translateY(-1px);
}
.student-history-toggle:focus-visible {
    outline: 3px solid rgba(38, 121, 189, 0.22);
    outline-offset: 2px;
}
.student-history-main {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 14px;
}
.student-history-datetime {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 118px;
}
.student-history-datetime strong {
    font-size: 14px;
    color: var(--text);
}
.student-history-datetime span {
    font-size: 12px;
    color: var(--muted);
}
.student-history-topic {
    min-width: 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.student-history-side {
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}
.student-history-badges {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.student-mini-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 28px;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    line-height: 1;
    font-weight: 800;
    border: 1px solid transparent;
    white-space: nowrap;
}
.student-mini-badge.is-info {
    background: rgba(225, 239, 251, 0.96);
    color: #2f6289;
    border-color: rgba(177, 208, 234, 0.92);
}
.student-mini-badge.is-success {
    background: rgba(226, 246, 232, 0.96);
    color: #2d7450;
    border-color: rgba(170, 219, 186, 0.92);
}
.student-mini-badge.is-warning {
    background: rgba(255, 240, 219, 0.98);
    color: #9a6113;
    border-color: rgba(240, 206, 153, 0.92);
}
.student-mini-badge.is-danger {
    background: rgba(255, 228, 228, 0.98);
    color: #9a4848;
    border-color: rgba(237, 184, 184, 0.92);
}
.student-mini-badge.is-muted {
    background: rgba(237, 242, 246, 0.98);
    color: #607283;
    border-color: rgba(204, 214, 223, 0.92);
}
.student-history-scores {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}
.student-history-open {
    align-self: center;
}
.student-history-details {
    padding: 0 12px 12px;
}
.student-history-details-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    padding: 14px;
    border-radius: 14px;
    background: rgba(247, 250, 253, 0.96);
    border: 1px solid rgba(226, 235, 242, 0.96);
}
.student-history-detail-block {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}
.student-history-detail-block-wide {
    grid-column: 1 / -1;
}
.student-history-detail-label {
    font-size: 12px;
    font-weight: 800;
    color: var(--muted);
}
.student-history-detail-block p {
    margin: 0;
    color: var(--text);
    white-space: pre-wrap;
    line-height: 1.45;
}
.student-history-detail-actions {
    display: flex;
    justify-content: flex-end;
    padding-top: 12px;
}
.student-history-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}
.student-history-empty {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 18px;
    border-radius: 18px;
    border: 1px dashed rgba(194, 211, 224, 0.92);
    background: rgba(251, 253, 255, 0.95);
}
.student-history-empty strong {
    font-size: 16px;
    color: var(--text);
}
.student-history-empty span {
    color: var(--muted);
}

.student-hero .panel-head {
    align-items: flex-start;
}

.student-page-hero .panel-head,
.student-settings-hero .panel-head,
.student-finance-hero .panel-head {
    align-items: flex-start;
}

.student-page-hero {
    background:
        radial-gradient(circle at top right, rgba(38, 121, 189, 0.1), transparent 34%),
        linear-gradient(180deg, rgba(255,255,255,0.99) 0%, rgba(244,249,253,0.97) 100%);
}

.student-page-hero .hero-stats {
    margin-top: 12px;
}

.student-page-hero .hero-stat {
    min-height: 96px;
    background: rgba(248, 252, 255, 0.92);
}

.student-settings-stat strong,
.student-hero-stat-balance strong {
    font-size: 34px;
    line-height: 1;
}

.student-settings-reminders .reminder-stack {
    gap: 10px;
}

.student-compact-empty {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 8px;
    min-height: 132px;
    padding: 16px 18px;
    border-radius: 18px;
    border: 1px dashed rgba(194, 211, 224, 0.92);
    background: linear-gradient(180deg, rgba(251,253,255,0.98) 0%, rgba(244,249,253,0.95) 100%);
}

.student-compact-empty strong {
    font-size: 17px;
    line-height: 1.3;
    color: var(--text);
}

.student-compact-empty span {
    color: var(--muted);
    line-height: 1.45;
}

.student-summary-details div {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.student-summary-details span {
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.student-summary-preview,
.student-side-text {
    margin: 0;
    white-space: pre-wrap;
    line-height: 1.5;
    color: var(--text);
}

.student-summary-meta {
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
}

.student-summary-actions {
    margin-top: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.empty-day-card {
    min-height: 180px;
    background: linear-gradient(180deg, rgba(251,253,255,0.92) 0%, rgba(245,249,252,0.92) 100%);
}

.student-lesson-subject {
    font-size: 15px;
    font-weight: 800;
}

.student-lesson-topic {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.4;
}

.student-lesson-status {
    font-weight: 700;
}

/* Student week: the lesson state is an explicit visual marker, not a line of secondary text. */
.student-calendar-grid .lesson-chip .student-lesson-status {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    width: max-content;
    margin-top: 2px;
    padding: 4px 8px;
    border: 1px solid #b8d8f6;
    border-radius: 999px;
    background: #eaf5ff;
    color: #216daf;
    font-size: 11px;
    font-weight: 800;
    line-height: 1.1;
}

.student-calendar-grid .lesson-chip.status-confirmed {
    border-color: #afd8f8;
    box-shadow: inset 4px 0 0 #2b83ce, 0 5px 14px rgba(44, 126, 195, .09);
}

.student-calendar-grid .lesson-chip .student-lesson-status.status-confirmed {
    border-color: #a9ddbd;
    background: #eaf9ef;
    color: #237548;
}

.student-calendar-grid .lesson-chip.status-cancelled,
.student-calendar-grid .lesson-chip.status-cancelled_by_student,
.student-calendar-grid .lesson-chip.status-cancelled_by_teacher {
    border-color: #efb8c0;
    background: linear-gradient(180deg, #fffafa 0%, #fff1f3 100%);
    box-shadow: inset 4px 0 0 #d85d6c, 0 5px 14px rgba(180, 69, 83, .08);
}

.student-calendar-grid .lesson-chip.status-cancelled strong,
.student-calendar-grid .lesson-chip.status-cancelled_by_student strong,
.student-calendar-grid .lesson-chip.status-cancelled_by_teacher strong {
    color: #bd4053;
}

.student-calendar-grid .lesson-chip.status-cancelled .student-lesson-status,
.student-calendar-grid .lesson-chip.status-cancelled_by_student .student-lesson-status,
.student-calendar-grid .lesson-chip.status-cancelled_by_teacher .student-lesson-status {
    border-color: #efb4bd;
    background: #ffe5e9;
    color: #af3345;
}

.student-calendar-grid .lesson-chip.status-cancelled .student-lesson-subject,
.student-calendar-grid .lesson-chip.status-cancelled_by_student .student-lesson-subject,
.student-calendar-grid .lesson-chip.status-cancelled_by_teacher .student-lesson-subject,
.student-calendar-grid .lesson-chip.status-cancelled .student-lesson-topic,
.student-calendar-grid .lesson-chip.status-cancelled_by_student .student-lesson-topic,
.student-calendar-grid .lesson-chip.status-cancelled_by_teacher .student-lesson-topic {
    color: #7b5961;
}

.student-lesson-actions .button {
    padding: 9px 12px;
    border-radius: 12px;

    font-size: 13px;
}

.ghost-danger {
    background: rgba(233, 97, 97, 0.12);
    color: #b93f48;
    box-shadow: none;
}

.ghost-danger:hover {
    background: rgba(233, 97, 97, 0.2);
}

.student-dashboard-main .note {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--muted);
}

.student-side-meta {
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.student-side-files {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Student dashboard empty states and compact week layout */

.student-summary-empty {
    padding: 10px 0 2px;
}

.student-dashboard-side .panel .student-summary-empty {
    min-height: 0;
}

@media (max-width: 1100px) {
    .calendar-grid { grid-template-columns: repeat(2, minmax(160px, 1fr)); }
    
    .finance-student-columns { grid-template-columns: 1fr; }
    .student-insights-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .student-history-toggle { grid-template-columns: 1fr; }
    .student-history-side {
        flex-direction: column;
        align-items: flex-start;
    }
    .student-history-details-grid { grid-template-columns: 1fr; }
    .student-summary-grid { grid-template-columns: 1fr 1fr; }
    .calendar-grid.student-calendar-grid { grid-template-columns: repeat(2, minmax(180px, 1fr)); }

}

@media (max-width: 720px) {
    .topbar, .panel-head, .week-nav { flex-direction: column; align-items: stretch; }
    .topbar {
        gap: 8px;
        padding: 10px 12px 9px;
    }
    .page { padding: 12px; }
    .panel {
        padding: 12px;
        border-radius: 20px;
    }
    .form-grid { grid-template-columns: 1fr; }
    .choice-grid {
        gap: 8px;
    }
    .choice-button-date,
    .choice-grid-times .choice-button {
        min-width: 0;
    }
    .choice-button {
        width: 100%;
        text-align: left;
        padding: 10px 12px;
        border-radius: 12px;
    }
    .calendar-grid { grid-template-columns: 1fr; }
    .info-grid { grid-template-columns: 1fr; }
    .student-history-filters {
        flex-direction: column;
        align-items: stretch;
    }
    .student-history-filter,
    .student-history-filter-search,
    .student-history-reset {
        width: 100%;
        min-width: 0;
    }
    .student-history-row { flex-direction: column; }
    .student-history-open { width: 100%; }
    .detail-info-grid,
    .detail-summary-grid { grid-template-columns: 1fr; }
    .finance-summary-form, .finance-balance-tools { flex-direction: column; align-items: stretch; }
    .finance-balance-grid { grid-template-columns: 1fr; }
    .finance-student-head { flex-direction: column; align-items: flex-start; }
    .stats-month-nav { flex-direction: column; align-items: stretch; }
    .modal-actions-between { flex-direction: column; }
    .lesson-manage-actions { grid-template-columns: 1fr; }
    .slot-defaults-grid {
        grid-template-columns: 1fr;
        align-items: stretch;
    }
    .page-hero {
        padding-top: 8px;
        padding-bottom: 8px;
    }
    .panel-head {
        gap: 6px;
        margin-bottom: 6px;
    }
    .page-subtitle {
        font-size: 11px;
        line-height: 1.2;
        margin-top: 2px;
    }
    .hero-stats {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 6px;
        margin-top: 8px;
    }
    .hero-stat {
        min-width: 0;
        padding: 8px 9px;
        border-radius: 14px;
    }
    .hero-stat strong {
        font-size: 17px;
    }
    .hero-stat span {
        font-size: 10px;
        line-height: 1.1;
    }
    .nav {
        flex-wrap: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        gap: 8px;
        padding-bottom: 2px;
        scrollbar-width: thin;
        -webkit-overflow-scrolling: touch;
    }
    .nav a,
    .nav .button,
    .nav form .button {
        flex: 0 0 auto;
        padding: 8px 11px;
        border-radius: 11px;
        font-size: 13px;
        white-space: nowrap;
    }
    .brand {
        font-size: 16px;
    }
    .brand-subtitle {
        font-size: 10px;
        line-height: 1.15;
    }
    .week-nav {
        gap: 5px;
    }
    .week-range {
        font-size: 12px;
        text-align: center;
        padding: 7px 8px;
    }
    .week-nav .button {
        padding: 7px 9px;
        font-size: 12px;
    }
    .top-section {
        margin-top: 12px;
    }
    
    .day-title {
        font-size: 15px;
    }
    .day-date {
        font-size: 14px;
        margin: 4px 0 10px;
    }
    .day-actions {
        gap: 8px;
        margin-bottom: 8px;
    }
    .day-action-button {
        padding: 7px 11px;
        border-radius: 11px;
        font-size: 13px;
    }
    .lesson-stack {
        gap: 8px;
    }
    .lesson-chip {
        padding: 10px 11px;
        border-radius: 15px;
    }
    .lesson-chip strong {
        font-size: 14px;
    }
    .student-summary-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .student-summary-empty {
        padding-top: 8px;
    }
    .student-summary-main strong {
        font-size: 23px;
    }
    .student-summary-details {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .student-dashboard-main,
    .student-dashboard-side {
        gap: 12px;
    }
    .student-dashboard-side {
        grid-template-columns: 1fr;
    }

    

    .empty-day-card {
        min-height: 0;
    }
    .student-side-card {
        padding: 14px;
    }
    .student-side-title {
        font-size: 18px;
    }
    .student-stats-head {
        gap: 10px;
    }
    .student-stats-filters {
        justify-content: flex-start;
    }
    .student-stats-toolbar {
        align-items: stretch;
    }
    .student-stats-groups {
        width: 100%;
    }
    .student-stats-filter {
        padding: 8px 11px;
        font-size: 13px;
    }
    .student-insights-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .student-insight-card {
        min-height: 0;
        padding: 14px;
    }
    .student-insight-value {
        font-size: 24px;
    }
    .student-history-main {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .student-history-datetime { min-width: 0; }
    .student-history-topic { white-space: normal; }
    .student-history-badges,
    .student-history-scores { justify-content: flex-start; }
    .chip-note,
    .muted {
        font-size: 12px;
    }
    .file-pill {
        min-width: 0;
        flex: 1 1 100%;
    }
    .file-pill-row {
        align-items: stretch;
    }
    .empty-state {
        padding: 14px 12px;
        border-radius: 15px;
        font-size: 13px;
    }
}

@media (max-width: 420px) {
    .page-hero .panel-head h1,
    .page-hero h1 {
        font-size: 17px;
        line-height: 1.1;
    }
    .page-hero .page-subtitle {
        font-size: 10px;
        line-height: 1.15;
    }
    .hero-stats {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 7px;
    }
    .nav a,
    .nav .button,
.hero-stat {
        padding: 7px 8px;
        border-radius: 13px;
    }
    .hero-stat strong {
        font-size: 15px;
    }
    .hero-stat span {
        font-size: 9px;
    }
    .week-range {
        font-size: 11px;
        padding: 6px 7px;
    }
    .week-nav .button {
        padding: 6px 8px;
        font-size: 11px;
    }
    .day-card {
        padding: 10px;
    }
}

/* Student cabinet visual refinement */
.student-vk-note-panel {
    padding: 14px 18px;
}

.student-summary-card-primary {
    background: radial-gradient(circle at top right, rgba(38, 121, 189, 0.12), transparent 34%),
        linear-gradient(180deg, rgba(255,255,255,0.99) 0%, rgba(244,249,253,0.97) 100%);
}

.student-summary-preview {
    font-size: 14px;
    line-height: 1.45;
}

.student-summary-empty {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1 1 auto;
    justify-content: flex-start;
    padding: 6px 0 0;
}

.student-summary-empty strong {
    font-size: 16px;
    line-height: 1.35;
}

.student-summary-empty span {
    color: var(--muted);
    line-height: 1.45;
    font-size: 14px;
}

.student-balance-value {
    font-size: 38px;
    line-height: 1;
    font-weight: 800;
    color: var(--accent);
    margin-top: auto;
}

.student-side-subtitle {
    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
}

.student-summary-empty-side {
    min-height: 120px;
    padding: 4px 0 0;
    justify-content: flex-start;
    padding-top: 4px;
}

.student-timezone-line strong {
    color: var(--text);
    font-weight: 700;
}

.student-timezone-suggestion {
    flex-basis: 100%;
    color: #587a9f;
    font-size: 12px;
    font-weight: 600;
}

.student-work-card.is-archived {
    opacity: 0.72;
    background: rgba(247, 250, 253, 0.9);
}

.student-work-card.is-archived .student-work-avatar {
    filter: grayscale(0.65);
}

.student-archive-divider {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 10px 0 2px;
    color: var(--muted);
    font-weight: 800;
}

.student-archive-divider::before,
.student-archive-divider::after {
    content: "";
    height: 1px;
    flex: 1;
    background: rgba(105, 145, 182, 0.28);
}

.student-archive-divider small {
    font-size: 12px;
    font-weight: 700;
}

.student-status-zone {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 18px 20px;
    border: 1px solid rgba(161, 184, 207, 0.5);
    border-radius: 18px;
    background: rgba(247, 251, 255, 0.88);
}

.student-status-zone h3,
.student-status-zone p {
    margin: 0;
}

.student-status-zone p {
    max-width: 720px;
    margin-top: 5px;
    color: var(--muted);
    font-size: 13px;
}

@media (max-width: 720px) {
    .student-status-zone {
        align-items: stretch;
        flex-direction: column;
    }

    .student-status-zone .button {
        width: 100%;
    }
}

.student-weekline-item span {
    color: var(--muted);
    font-size: 11px;
    font-weight: 700;
    line-height: 1.2;
}

.student-weekline-item strong {
    font-size: 13px;
    color: var(--text);
    line-height: 1.2;
}

.student-weekline-item-today {
    border-color: rgba(38, 121, 189, 0.5);
    background: rgba(232, 244, 255, 0.95);
    box-shadow: 0 8px 16px rgba(38, 121, 189, 0.08);
}

.teacher-hero {
    padding: 24px 26px;
}

.teacher-hero-head {
    align-items: flex-start;
}

.teacher-empty-state {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 22px 24px;
}

.teacher-empty-state strong {
    font-size: 20px;
}

.student-work-fact span {
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.student-overview-card span {
    display: block;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 8px;
}

.student-active-toggle {
    display: inline-flex;
    flex-direction: row !important;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    padding: 10px 14px;
    border-radius: 14px;
    background: rgba(236, 245, 252, 0.82);
    border: 1px solid rgba(203, 219, 230, 0.88);
}

.danger-zone h3 {
    margin: 0 0 6px;
}

.finance-summary-panel .panel-head {
    margin-bottom: 16px;
}

.calendar-helper-line {
    margin-bottom: 14px;
    font-weight: 700;
}

.lesson-chip {
    display: flex;
    flex-direction: column;
    gap: 5px;
    text-decoration: none;
    color: inherit;
    border-radius: 16px;
    padding: 12px 13px;
    border: 1px solid rgba(203, 219, 230, 0.8);
    background: rgba(255, 255, 255, 0.96);
    width: 100%;
    text-align: left;
    cursor: pointer;
    font: inherit;
    box-shadow: 0 8px 18px rgba(58, 94, 122, 0.08);
    transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
}

.lesson-chip strong {
    color: var(--accent);
    font-size: 16px;
}

.lesson-chip span {
    line-height: 1.25;
}

.lesson-chip .chip-note {
    font-size: 12px;
}

@media (max-width: 1100px) {
    .teacher-summary-grid,
    .student-overview-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .student-overview-card-wide {
        grid-column: span 2;
    }

    .finance-layout {
        grid-template-columns: 1fr;
}

    .finance-summary-form {
        grid-template-columns: 1fr;
    }

    .danger-zone {
        flex-direction: column;
        align-items: stretch;
    }

    .student-settings-hero .hero-stats {
        grid-template-columns: 1fr;
    }

    .student-summary-card {
        min-height: 170px;
    }

    .student-dashboard-side {
        grid-template-columns: 1fr;
}

    .student-weekline {
        grid-template-columns: repeat(4, minmax(0, 1fr));
}
}

@media (max-width: 720px) {
    .teacher-hero {
        padding: 18px 16px;
    }

    .teacher-summary-grid,
    .student-work-facts,
    .student-overview-grid {
        grid-template-columns: 1fr;
    }

    

    .student-work-head,
    .student-history-row,
    .collapsible-summary-split {
        flex-direction: column;
        align-items: flex-start;
    }

    .student-work-actions,
    .finance-summary-badges {
        width: 100%;
    }

    .student-work-actions .button,
    .danger-zone .button,
    .finance-summary-form .button {
        width: 100%;
    }

    .day-card {
        min-height: 0;
        padding: 12px;
        border-radius: 20px;
}

    .student-page-hero .hero-stat {
        min-height: 0;
    }

    .student-vk-card {
        padding: 14px;
    }

    .student-compact-empty {
        min-height: 0;
        padding: 14px;
    }

    .student-vk-note-panel {
        padding: 12px 14px;
    }

    .student-vk-note-panel .note {
        font-size: 13px;
    }

    

    .student-week-empty-copy strong {
        font-size: 17px;
}

    .student-weekline-item {
        min-height: 52px;
    }

    .student-dashboard-side .panel {
        min-height: 0;
    }
}

/* Compact teacher + student dashboards */
.teacher-hero,
.student-hero,
.finance-summary-panel,
.page-hero {
    border-radius: 24px;
}

.teacher-hero,
.student-hero {
    padding: 20px 22px;
}

.teacher-hero .page-subtitle,
.student-hero .page-subtitle,
.finance-summary-panel .page-subtitle {
    max-width: 760px;
}

.teacher-hero-stats {
    gap: 12px;
}

.teacher-hero-stats .hero-stat {
    min-height: 84px;
    padding: 14px 16px;
}

.teacher-summary-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.teacher-summary-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-height: 96px;
    padding: 14px 16px;
    border-radius: 18px;
    border: 1px solid rgba(203, 219, 230, 0.95);
    background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(244,249,253,0.96) 100%);
    box-shadow: 0 12px 24px rgba(35, 75, 108, 0.08);
}

.teacher-summary-card span {
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.teacher-summary-card strong {
    font-size: 30px;
    line-height: 1;
}

.student-work-head h3 {
    margin: 0 0 4px;
    font-size: 21px;
    margin-bottom: 2px;
}

.student-work-head .muted {
    font-size: 13px;
    line-height: 1.35;
}

.student-work-facts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.student-work-fact {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-height: 62px;
    padding: 10px 12px;
    border-radius: 14px;
    background: rgba(236, 245, 252, 0.68);
    border: 1px solid rgba(203, 219, 230, 0.88);
}

.student-work-fact strong {
    font-size: 16px;
    line-height: 1.25;
}

.student-card-header {
    margin-bottom: 6px;
}

.student-overview-card strong {
    font-size: 22px;
    line-height: 1.2;
}

.student-overview-card-wide {
    grid-column: span 2;
}

.student-detail-shortcuts {
    margin-top: 12px;
}

.student-detail-shortcuts .button {
    min-width: 220px;
}

.collapsible-card {
    padding: 18px 20px;
    border-radius: 22px;
}

.collapsible-summary-large {
    font-size: 20px;
    min-height: 30px;
}

.collapsible-summary-split .muted {
    white-space: nowrap;
}

.danger-zone {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 18px 20px;
    border-radius: 20px;
    border: 1px solid rgba(217, 109, 109, 0.3);
    background: linear-gradient(180deg, rgba(255,250,250,0.98) 0%, rgba(255,241,241,0.96) 100%);
}

.danger-zone p,
.danger-zone .note,
.danger-zone .muted {
    margin: 0;
}

.finance-summary-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.finance-summary-meta {
    display: flex;
    gap: 14px;
    margin-top: 10px;
    color: var(--muted);
    font-weight: 700;
    flex-wrap: wrap;
    font-size: 13px;
}

.finance-badge {
    padding: 10px 14px;
    border-radius: 999px;
    font-weight: 700;
}

.finance-list,
.finance-balance-grid {
    gap: 10px;
}

.finance-payment-card,
.finance-balance-card {
    padding: 14px 16px;
    border-radius: 18px;
}

.finance-payment-main,
.finance-balance-name {
    font-size: 17px;
}

.inner-panel {
    margin-top: 4px;
    background: rgba(247, 251, 254, 0.94);
    padding: 16px;
    border-radius: 18px;
    border: 1px solid rgba(203, 219, 230, 0.82);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.4);
}

.inner-panel h2,
.inner-panel h3 {
    margin-bottom: 4px;
}

.soft-box {
    background: linear-gradient(180deg, rgba(245,250,254,0.95) 0%, rgba(235,245,251,0.9) 100%);
    padding: 16px;
    border-radius: 18px;
}

.page:has(.teacher-hero),
.page:has(.teacher-settings-hero),
.page:has(.finance-summary-panel) {
    max-width: 1880px;
}

.student-work-meta {
    display: grid;
    gap: 10px;
}

.student-work-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 14px;
    background: rgba(244, 249, 255, 0.82);
}

.student-work-line span {
    color: #6b86a3;
    font-size: 13px;
}

.student-work-line strong {
    font-size: 15px;
    text-align: right;
}

.student-work-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.student-work-badge.is-positive {
    background: rgba(229, 247, 235, 0.88);
    border-color: rgba(167, 223, 182, 0.88);
    color: #2c6b45;
}

.finance-summary-grid {
    display: grid;
    grid-template-columns: minmax(240px, 1.05fr) repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 8px;
}

.finance-summary-card {
    min-width: 0;
    min-height: 128px;
    padding: 18px 20px;
    border: 1px solid rgba(182, 210, 244, 0.85);
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(246, 250, 255, 0.94));
    box-shadow: 0 16px 36px rgba(112, 145, 184, 0.12);
}

.finance-summary-select-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 12px;
}

.finance-summary-select-card select {
    width: 100%;
    min-height: 48px;
}

.finance-summary-label,
.finance-summary-caption {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--muted);
}

.finance-summary-stat,
.finance-summary-help-card {
    display: grid;
    grid-template-columns: 60px minmax(0, 1fr);
    align-items: center;
    gap: 14px;
}

.finance-summary-icon {
    width: 60px;
    height: 60px;
    display: grid;
    place-items: center;
    border-radius: 20px;
    background: rgba(239, 246, 255, 0.92);
}

.finance-summary-stat.is-positive .finance-summary-icon {
    background: rgba(228, 248, 234, 0.96);
}

.finance-summary-stat.is-negative .finance-summary-icon {
    background: rgba(255, 236, 236, 0.96);
}

.finance-summary-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.finance-summary-value {
    font-size: 32px;
    font-weight: 800;
    line-height: 1;
    color: var(--text);
}

.finance-summary-stat.is-positive .finance-summary-value {
    color: #1d8b4f;
}

.finance-summary-stat.is-negative .finance-summary-value {
    color: #d24c4c;
}

.finance-summary-note,
.finance-summary-help-text {
    font-size: 14px;
    line-height: 1.45;
    color: var(--muted);
}

.finance-summary-help-card {
    width: 100%;
    border: 1px solid rgba(182, 210, 244, 0.85);
    text-align: left;
    cursor: pointer;
}

.finance-summary-help-card:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 40px rgba(112, 145, 184, 0.14);
}

.finance-section-head {
    align-items: flex-start;
    gap: 12px;
}

.finance-tall-empty {
    min-height: 320px;
    justify-content: center;
}

.finance-balance-tools {
    display: grid;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-end;
    grid-template-columns: minmax(220px, 260px) minmax(0, 1fr) auto;
    margin-top: 14px;
}

.finance-balance-list {
    min-height: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 16px;
}

.finance-payment-card:hover,
.finance-balance-card:hover {
    transform: translateY(-1px);
}

.finance-payment-date {
    font-weight: 700;
}

.finance-payment-main {
    font-weight: 700;
}

.finance-payment-side {
    font-size: 14px;
    font-weight: 700;
    color: var(--brand);
}

.finance-balance-card {
    border: 1px solid rgba(203, 219, 230, 0.9);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.96);
    padding: 16px 18px;
    text-align: left;
    cursor: pointer;
    box-shadow: 0 10px 20px rgba(58, 94, 122, 0.08);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.finance-balance-main {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}

.finance-balance-name {
    display: block;
    font-weight: 800;
    margin-bottom: 0;
    font-size: 19px;
    color: var(--text);
}

.finance-balance-subject {
    font-size: 13px;
    color: var(--muted);
}

.finance-balance-value {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: 14px;
    font-weight: 700;
}

.finance-balance-value-label {
    color: var(--muted);
}

.finance-balance-value-number {
    font-size: 21px;
    font-weight: 800;
    line-height: 1.15;
}

.finance-balance-value.is-positive .finance-balance-value-number {
    color: #319258;
}

.finance-balance-value.is-negative .finance-balance-value-number {
    color: #c34f56;
}

.finance-balance-value.is-zero .finance-balance-value-number {
    color: var(--muted);
}

.finance-balance-status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 90px;
    min-height: 34px;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
}

.finance-balance-status.is-active {
    color: #3c9a45;
    background: rgba(232, 247, 228, 0.92);
}

.finance-balance-status.is-inactive {
    color: #7b8ea7;
    background: rgba(240, 245, 252, 0.96);
}

@media (max-width: 1380px) {

    .student-work-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

}

@media (max-width: 1180px) {

    .finance-balance-grid {
        grid-template-columns: 1fr;
    }

}

@media (max-width: 860px) {

    

}

/* Final students page polish */
body .brand-mark {
    width: 52px;
    height: 52px;
    border-radius: 16px;
}

body .brand-mark img {
    position: absolute;
    inset: 11px;
    width: auto;
    height: auto;
    max-width: calc(100% - 22px);
    max-height: calc(100% - 22px);
    opacity: 1;
    object-fit: contain;
}

body .brand-mark::before {
    content: none;
}

body .page:has(.student-hero-panel) {
    max-width: 1680px;
}

body .student-hero-panel,
body .student-cards-panel {
    padding: 28px 28px 24px;
}

body .student-hero-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

body .student-hero-head > div {
    display: grid;
    gap: 10px;
}

body .student-hero-head h1 {
    margin: 0;
    font-size: 60px;
    line-height: 0.96;
    letter-spacing: -0.05em;
}

body .student-hero-head .page-subtitle {
    margin: 0;
    font-size: 18px;
    line-height: 1.45;
    color: #6e87a2;
}

body .student-hero-add-button {
    min-height: 62px;
    padding: 0 26px;
    gap: 12px;
    border-radius: 20px;
    font-size: 16px;
    font-weight: 800;
}

/* Final students SVG icon fixes - keep at absolute end */
.brand-mark {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 14px;
    border: 1px solid rgba(125, 177, 247, 0.32);
    background:
        linear-gradient(180deg, rgba(47, 111, 243, 0.96) 0%, rgba(30, 92, 219, 0.96) 100%);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.18),
        0 14px 30px rgba(56, 118, 220, 0.16);
    overflow: hidden;
}

.student-metric-card-total strong,
.student-metric-card-vk strong {
    color: #2c7de5;
}

.student-metric-card-active strong {
    color: #2fb05e;
}

.student-metric-card-access strong {
    color: #8b55e6;
}

@media (max-width: 1180px) {

    

}

@media (max-width: 720px) {

    

    

    .student-hero-add-icon {
        width: 20px;
        height: 20px;
    }
}

/* Final students SVG icon fixes */
.brand-mark {
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    border-radius: 14px;
    background: linear-gradient(135deg, #2877f6 0%, #0f5ddd 100%);
    box-shadow: 0 10px 24px rgba(34, 104, 226, 0.24);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.brand-mark img,
.brand-mark svg {
    display: block;
    width: 26px;
    height: 26px;
}

.nav-link,
.nav-logout-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.nav-counter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 19px;
    height: 19px;
    padding: 0 5px;
    border-radius: 999px;
    background: #e65e66;
    color: #fff;
    font-size: 11px;
    font-weight: 800;
    line-height: 1;
}

.nav-link.active .nav-counter {
    background: #fff;
    color: #176cc8;
}

.nav-link-icon,
.student-hero-add-icon,
.student-search-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
}

.nav-link-icon {
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.nav-link-icon img {
    display: block;
    width: 18px;
    height: 18px;
    opacity: 0.96;
}

.nav a.active .nav-link-icon-calendar,
.nav a.active .nav-link-icon-students,
.nav a.active .nav-link-icon-finance,
.nav a.active .nav-link-icon-settings {
    filter: none;
}

.nav a.active .nav-link-icon img,
.nav-logout-button .nav-link-icon img {
    filter: brightness(0) invert(1);
}

.student-hero-add-icon img,
.student-search-icon img,
.student-metric-icon img,
.student-work-avatar img,
.student-open-card-icon img {
    display: block;
}

.student-work-row-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.student-work-row-label span:last-child {
    color: #6f87a0;
    font-size: 14px;
    font-weight: 700;
}

.brand-mark::before,
.nav-link-icon::before {
    content: none !important;
    display: none !important;
}

.student-open-card-icon {
    width: 16px;
    height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 16px;
}

@media (max-width: 1180px) {
    .student-metric-card {
        grid-template-columns: 56px minmax(0, 1fr);
        gap: 14px;
        min-height: 0;
        padding: 18px;
}

    .student-metric-icon {
        width: 58px;
        height: 58px;
        border-radius: 16px;
        flex-basis: 58px;
}

    .student-metric-card strong {
        font-size: 36px;
}
}

@media (max-width: 720px) {
    .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 12px;
        flex-basis: 38px;
}

    .brand-mark::before {
        inset: 9px;
        width: 22px;
        height: 22px;
}

    

}

/* Final students page polish */
.page:has(.student-hero-panel) {
    max-width: 1740px;
}

.student-hero-panel {
    padding: 28px 30px;
    border-radius: 34px;
    box-shadow: 0 24px 50px rgba(116, 151, 197, 0.12);
}

.student-hero-head > div {
    min-width: 0;
}

.student-hero-head .page-subtitle {
    max-width: 720px;
    font-size: 17px;
    line-height: 1.5;
    color: #7088a2;
}

.student-work-card.is-selected {
    border-color: rgba(47, 116, 242, 0.55);
    box-shadow: 0 20px 44px rgba(47, 116, 242, 0.16);
}

.student-overview-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 16px;
}

.student-overview-card {
    min-height: 104px;
    padding: 14px 16px;
    border-radius: 22px;
    box-shadow: 0 12px 28px rgba(117, 153, 197, 0.08);
}

.student-detail-grid {
    align-items: start;
    gap: 18px;
}

.student-insights,
.student-history {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 18px 20px;
    border: 1px solid rgba(203, 219, 230, 0.9);
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(250, 253, 255, 0.96) 0%, rgba(242, 249, 253, 0.96) 100%);
}

.collapsible-summary-split {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    width: 100%;
}

@media (max-width: 1420px) {
    .student-hero-head h1 {
        font-size: 52px;
    }
}

@media (max-width: 1180px) {

    .student-hero-head {
        margin-bottom: 22px;
    }

    .student-hero-head h1 {
        font-size: 44px;
    }

    .student-hero-head .page-subtitle {
        font-size: 16px;
    }

    .student-search-reset {
        grid-column: 1 / -1;
    }

}

@media (max-width: 720px) {
    .student-hero-panel,
    .student-cards-panel {
        padding: 18px;
        border-radius: 24px;
    }

    .student-hero-head {
        flex-direction: column;
        align-items: stretch;
        gap: 18px;
        margin-bottom: 18px;
    }

    .student-hero-head h1 {
        font-size: 34px;
    }

    .student-hero-head .page-subtitle {
        font-size: 14px;
    }

    .student-hero-add-button {
        min-height: 58px;
        width: 100%;
        padding: 0 20px;
        border-radius: 18px;
        font-size: 16px;
    }

    .student-search-bar {
        grid-template-columns: 1fr;
        gap: 10px;
        margin-bottom: 18px;
    }

    .student-search-input-wrap input,
    .student-search-submit,
    .student-search-reset {
        min-height: 52px;
        border-radius: 16px;
        font-size: 15px;
    }

    .student-search-input-wrap input {
        padding-left: 50px;
    }

    .student-search-icon {
        left: 18px;
        width: 18px;
        height: 18px;
    }

    .student-metrics-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    

    

    .student-work-card {
        padding: 16px;
        min-height: 0;
        border-radius: 24px;
}

    .student-work-head-main {
        gap: 12px;
    }

    .student-work-avatar {
        width: 62px;
        height: 62px;
        flex-basis: 62px;
        border-radius: 20px;
        background-size: 32px 32px;
}

    .student-work-title-block h3 {
        font-size: 20px;
    }

    .student-work-balance-strip,
    .student-work-next-row {
        padding: 12px 14px;
    }

    .student-work-actions .button {
        min-height: 50px;
        font-size: 15px;
    }
}

/* Final students page visual alignment */
.student-metric-card {
    min-height: 126px;
    padding: 20px 22px;
    border-radius: 24px;
    display: grid;
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 16px;
    align-items: center;
    background: linear-gradient(180deg, rgba(255,255,255,0.99) 0%, rgba(247, 250, 254, 0.98) 100%);
    box-shadow: 0 14px 28px rgba(35, 75, 108, 0.08);
}

@media (max-width: 860px) {
    .brand-wrap {
        gap: 10px;
    }

    .brand-mark {
        width: 44px;
        height: 44px;
        flex-basis: 44px;
        border-radius: 14px;
    }

    .brand-mark svg,
    .brand-mark img {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 720px) {
    .student-metric-card {
        grid-template-columns: 54px minmax(0, 1fr);
        gap: 12px;
        padding: 14px;
        min-height: 0;
        border-radius: 20px;
}

    .student-metric-icon {
        width: 48px;
        height: 48px;
        border-radius: 15px;
        flex-basis: 48px;
        background-size: 24px 24px;
        padding: 11px;
}

    .student-metric-card strong {
        font-size: 30px;
        margin-bottom: 4px;
}

    .student-metric-card span {
        font-size: 12px;
}
}

/* Students page refresh */
.page:has(.student-hero-panel) {
    max-width: 1640px;
}

.student-hero-panel,
.student-cards-panel {
    padding: 30px 30px 26px;
}

.student-hero-head {
    align-items: center;
    justify-content: space-between;
    gap: 22px;
    margin-bottom: 22px;
}

.student-hero-head h1 {
    margin: 0 0 8px;
    font-size: 56px;
    line-height: 0.96;
    letter-spacing: -0.05em;
    margin-bottom: 8px;
}

.student-hero-add-button {
    min-height: 60px;
    padding: 0 28px;
    gap: 12px;
    border-radius: 20px;
    font-size: 17px;
    font-weight: 800;
    box-shadow: 0 18px 34px rgba(47, 116, 242, 0.22);
    align-self: center;
}

.student-hero-add-icon {
    position: relative;
    width: 24px;
    height: 24px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.18);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22);
    flex: 0 0 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.student-hero-add-icon img {
    width: 24px;
    height: 24px;
    filter: brightness(0) invert(1);
    display: block;
    opacity: 1;
    object-fit: contain;
}

.student-search-bar {
    display: grid;
    gap: 14px;
    flex-wrap: wrap;
    align-items: center;
    margin-top: 18px;
    grid-template-columns: minmax(0, 1fr) auto;
    margin-bottom: 20px;
}

.student-search-actions {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    justify-content: flex-end;
}

.student-search-input-wrap {
    position: relative;
}

.student-search-input-wrap input {
    min-height: 56px;
    border-radius: 18px;
    padding-left: 54px;
    font-size: 17px;
    width: 100%;
}

.student-search-icon {
    left: 18px;
    width: 20px;
    height: 20px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: #8da3bc;
    pointer-events: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.student-search-icon img {
    width: 20px;
    height: 20px;
    opacity: 0.88;
    display: block;
    object-fit: contain;
    filter: brightness(0) saturate(100%) invert(58%) sepia(15%) saturate(551%) hue-rotate(177deg) brightness(88%) contrast(89%);
}

.student-search-submit,
.student-search-reset {
    display: inline-flex;
    align-items: center;
    box-sizing: border-box;
    min-height: 56px;
    border-radius: 18px;
    font-size: 16px;
    font-weight: 800;
    justify-content: center;
    padding-inline: 24px;
    white-space: nowrap;
}

.student-metrics-grid {
    gap: 18px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.student-metric-card {
    min-height: 100px;
    padding: 20px 22px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 14px 28px rgba(84, 116, 160, 0.09);
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
    gap: 16px;
}

.student-metric-card > div:last-child {
    display: grid;
    align-content: center;
    gap: 4px;
    min-width: 0;
}

.student-metric-card strong {
    font-size: 30px;
    line-height: 0.94;
    font-weight: 800;
    letter-spacing: -0.04em;
    display: block;
    margin-bottom: 6px;
}

.student-metric-card span {
    font-size: 14px;
    line-height: 1.2;
    color: #6e87a2;
    font-weight: 700;
    display: block;
}

.student-metric-icon {
    width: 56px;
    height: 56px;
    flex: 0 0 56px;
    border-radius: 18px;
    background-size: 30px 30px;
    margin: 0;
    padding: 14px;
    box-shadow: inset 0 0 0 1px rgba(190, 214, 240, 0.5);
    margin-bottom: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.student-metric-icon img {
    width: 28px;
    height: 28px;
    display: block;
    opacity: 1;
    object-fit: contain;
}

.student-metric-card-total .student-metric-icon img {
    filter: brightness(0) saturate(100%) invert(35%) sepia(99%) saturate(2823%) hue-rotate(216deg) brightness(98%) contrast(95%);
}

.student-metric-card-active .student-metric-icon img {
    filter: brightness(0) saturate(100%) invert(52%) sepia(58%) saturate(1180%) hue-rotate(84deg) brightness(93%) contrast(88%);
}

.student-metric-card-access .student-metric-icon img {
    filter: brightness(0) saturate(100%) invert(46%) sepia(58%) saturate(1835%) hue-rotate(241deg) brightness(98%) contrast(92%);
}

.student-metric-card-vk .student-metric-icon img {
    filter: brightness(0) saturate(100%) invert(35%) sepia(99%) saturate(2823%) hue-rotate(216deg) brightness(98%) contrast(95%);
}

.student-metric-card-total .student-metric-icon {
    color: #2f75ec;
    background: linear-gradient(180deg, rgba(225, 238, 255, 0.96), rgba(241, 246, 255, 0.96));
}

.student-metric-card-active .student-metric-icon {
    color: #2db05d;
    background: linear-gradient(180deg, rgba(229, 247, 235, 0.96), rgba(241, 252, 244, 0.96));
}

.student-metric-card-access .student-metric-icon {
    color: #8b55e6;
    background: linear-gradient(180deg, rgba(245, 235, 255, 0.96), rgba(250, 244, 255, 0.96));
}

.student-metric-card-vk .student-metric-icon {
    color: #2f79f5;
    background: linear-gradient(180deg, rgba(231, 240, 255, 0.96), rgba(244, 248, 255, 0.96));
}

.student-cards-panel {
    padding: 28px 30px 30px;
    border-radius: 34px;
    box-shadow: 0 24px 50px rgba(116, 151, 197, 0.1);
    display: grid;
    gap: 20px;
    min-height: 0;
}

.student-work-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    align-items: stretch;
    width: 100%;
}

.student-work-card {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 18px 18px 16px;
    border-radius: 24px;
    border: 1px solid rgba(186, 210, 238, 0.65);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 18px 36px rgba(117, 153, 197, 0.08);
    min-height: 0;
}

.student-work-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    margin-bottom: 4px;
}

.student-work-head-main {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
    flex: 1 1 auto;
}

.student-work-avatar {
    position: relative;
    width: 78px;
    height: 78px;
    border-radius: 22px;
    border: 1px solid rgba(188, 208, 236, 0.78);
    background: linear-gradient(180deg, #f7fbff 0%, #edf4ff 100%);
    box-shadow: inset 0 0 0 1px rgba(187, 209, 235, 0.65);
    flex: 0 0 78px;
    background-size: 38px 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.student-work-avatar img {
    width: 42px;
    height: 42px;
    display: block;
    opacity: 1;
    object-fit: contain;
    filter: brightness(0) saturate(100%) invert(35%) sepia(99%) saturate(2823%) hue-rotate(216deg) brightness(98%) contrast(95%);
}

.student-work-title-block {
    display: grid;
    align-content: center;
    gap: 7px;
    min-width: 0;
}

.student-work-title-block h3 {
    font-size: 20px;
    line-height: 1.04;
    margin: 0;
}

.student-work-subject-pill {
    min-height: 28px;
    padding: 4px 11px;
    font-size: 13px;
    border-radius: 999px;
    font-weight: 700;
    display: inline-flex;
    width: max-content;
    max-width: 100%;
    align-items: center;
    background: rgba(47, 116, 242, 0.12);
    color: #2f74f2;
}

.student-work-parent-line {
    font-size: 14px;
    line-height: 1.35;
    color: #6f87a0;
}

.student-work-balance-strip,
.student-work-next-row {
    padding: 13px 16px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.student-work-balance-strip {
    min-height: 56px;
    margin-top: 6px;
    padding: 14px 16px;
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(244, 249, 255, 0.96), rgba(237, 245, 255, 0.96));
}

.student-work-balance-strip span,
.student-work-next-row span {
    font-size: 14px;
    font-weight: 700;
    color: #6f87a0;
}

.student-inline-icon img {
    width: 18px;
    height: 18px;
    opacity: 0.9;
    object-fit: contain;
    filter: brightness(0) saturate(100%) invert(50%) sepia(16%) saturate(700%) hue-rotate(177deg) brightness(90%) contrast(88%);
}

.student-work-balance-strip span,
.student-work-next-row span,
.student-work-balance-strip strong,
.student-work-next-row strong {
    flex: 1 1 auto;
}

.student-work-balance-strip .student-work-row-label,
.student-work-next-row .student-work-row-label {
    flex: 0 1 auto;
}

.student-work-balance-strip strong,
.student-work-next-row strong {
    flex: 0 0 auto;
}

.student-work-balance-strip strong {
    font-size: 18px;
    font-weight: 800;
    color: #2f74f2;
    line-height: 1.1;
    white-space: nowrap;
}

.student-work-balance-strip .student-inline-icon {
    width: 20px;
    height: 20px;
}

.student-work-balance-strip .student-inline-icon img {
    width: 20px;
    height: 20px;
}

.student-work-status-row {
    margin-top: 2px;
    gap: 8px;
    display: flex;
    flex-wrap: wrap;
}

.student-work-badge {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid rgba(148, 183, 224, 0.7);
    background: rgba(244, 249, 255, 0.75);
    color: #55718f;
    font-size: 12px;
    font-weight: 800;
}

.student-work-badge.vk-positive {
    background: rgba(232, 241, 255, 0.95);
    border-color: rgba(171, 199, 242, 0.9);
    color: #2f74f2;
}

.student-work-next-row {
    min-height: 52px;
    margin-top: 2px;
    padding: 12px 15px;
    border-radius: 18px;
    border: 1px solid rgba(190, 214, 240, 0.8);
    background: rgba(255, 255, 255, 0.84);
}

.student-work-next-row strong {
    font-size: 14px;
    font-weight: 700;
    line-height: 1.35;
    text-align: right;
    white-space: nowrap;
}

.student-work-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: auto;
    padding-top: 2px;
}

.student-work-actions .button {
    min-width: 0;
    width: 100%;
    gap: 10px;
    min-height: 54px;
    border-radius: 18px;
    font-size: 16px;
    font-weight: 800;
    box-shadow: 0 18px 34px rgba(47, 116, 242, 0.2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.student-open-card-icon img {
    width: 18px;
    height: 18px;
    filter: brightness(0) invert(1);
    object-fit: contain;
}

.student-profile-shell {
    display: grid;
    gap: 20px;
}

.student-profile-hero {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    padding-bottom: 6px;
}

.student-profile-hero-main {
    display: flex;
    align-items: center;
    gap: 18px;
    min-width: 0;
}

.student-profile-avatar {
    width: 84px;
    height: 84px;
    flex: 0 0 84px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2f74f2 0%, #2a63d8 100%);
    color: #fff;
    font-size: 38px;
    font-weight: 800;
    letter-spacing: -0.04em;
    box-shadow: 0 22px 42px rgba(47, 116, 242, 0.2);
}

.student-profile-hero-copy {
    min-width: 0;
}

.student-profile-hero-copy h1 {
    margin: 0 0 6px;
    font-size: 28px;
    line-height: 1.05;
}

.student-profile-hero-actions {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 10px;
}

.student-profile-status-icon,
.student-profile-hero-actions .button img,
.student-profile-back-link img,
.student-workspace-tab img,
.danger-zone .button img {
    width: 17px;
    height: 17px;
    flex: 0 0 17px;
}

.student-profile-status-icon,
.student-profile-hero-actions .button img,
.student-profile-back-link img,
.student-workspace-tab img {
    filter: brightness(0) saturate(100%) invert(45%) sepia(28%) saturate(1564%) hue-rotate(173deg) brightness(91%) contrast(92%);
}

.student-profile-hero-actions .status-badge,
.student-profile-hero-actions .button,
.student-profile-back-link,
.student-workspace-tab,
.danger-zone .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.student-profile-summary-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

/* Teacher student workspace: master list + selected student detail */
.student-workspace {
    display: grid;
    grid-template-columns: minmax(300px, 340px) minmax(0, 1fr);
    gap: 18px;
    align-items: start;
}

.student-workspace-master {
    position: sticky;
    top: 98px;
    padding: 16px;
    max-height: calc(100vh - 118px);
    overflow-y: auto;
}

.student-workspace-master-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 2px 2px 12px;
    color: #203d59;
    font-size: 18px;
}

.student-workspace-master-head span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 26px;
    height: 26px;
    padding: 0 8px;
    border-radius: 999px;
    background: #e7f3ff;
    color: #397cc0;
    font-size: 12px;
    font-weight: 800;
}

.student-workspace-search {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 7px;
    margin: 0 0 13px;
}

.student-workspace-search .student-search-actions {
    display: flex;
    gap: 7px;
}

.student-workspace-search .button {
    min-height: 40px;
    padding: 8px 10px;
    font-size: 12px;
}

.student-workspace-master .student-work-grid {
    grid-template-columns: 1fr;
    gap: 9px;
}

.student-workspace-master .student-work-card {
    min-height: 0;
    padding: 13px;
    border-radius: 18px;
    box-shadow: none;
}

.student-workspace-master .student-work-head {
    align-items: flex-start;
    gap: 8px;
}

.student-workspace-master .student-work-avatar {
    width: 38px;
    height: 38px;
    border-radius: 13px;
}

.student-workspace-master .student-work-title-block h3 {
    font-size: 16px;
}

.student-workspace-master .student-work-parent-line {
    display: none;
}

.student-workspace-master .student-work-balance-strip,
.student-workspace-master .student-work-next-row {
    margin-top: 9px;
    padding-top: 9px;
    font-size: 12px;
}

.student-workspace-master .student-work-actions {
    margin-top: 10px;
}

.student-workspace-master .student-work-actions .button {
    width: 100%;
    min-height: 36px;
    padding: 8px 10px;
    font-size: 12px;
}

.student-workspace-detail {
    min-width: 0;
    margin: 0;
}

.student-workspace-profile-mode {
    grid-template-columns: minmax(0, 1fr);
}

.student-workspace-profile-mode .student-workspace-master {
    display: none;
}

/* The /students page is a full-width catalogue. The compact master column is
   used only when a detail pane is present, never for the standalone list. */
.student-workspace-list-mode {
    display: block;
}

.student-workspace-list-mode .student-workspace-master {
    position: static;
    max-height: none;
    overflow: visible;
    padding: 28px 30px 30px;
}

.student-workspace-list-mode .student-workspace-master .student-work-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.student-workspace-list-mode .student-workspace-master .student-work-card {
    padding: 18px 18px 16px;
    border-radius: 24px;
    box-shadow: 0 18px 36px rgba(117, 153, 197, 0.08);
}

.student-workspace-list-mode .student-workspace-master .student-work-head {
    align-items: center;
    gap: 14px;
}

.student-workspace-list-mode .student-workspace-master .student-work-avatar {
    width: 78px;
    height: 78px;
    border-radius: 22px;
}

.student-workspace-list-mode .student-workspace-master .student-work-title-block h3 {
    font-size: 20px;
}

.student-workspace-list-mode .student-workspace-master .student-work-parent-line {
    display: block;
}

.student-workspace-list-mode .student-workspace-master .student-work-balance-strip,
.student-workspace-list-mode .student-workspace-master .student-work-next-row {
    margin-top: 0;
    padding-top: 0;
    font-size: inherit;
}

.student-workspace-list-mode .student-workspace-master .student-work-actions {
    margin-top: auto;
}

.student-workspace-list-mode .student-workspace-master .student-work-actions .button {
    min-height: 44px;
    padding: 10px 14px;
    font-size: 14px;
}

.student-profile-back-link {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    margin-top: -4px;
    color: #3e78ae;
    font-size: 13px;
    font-weight: 800;
    text-decoration: none;
}

.student-profile-back-link:hover {
    color: #1f65a4;
    text-decoration: underline;
}

.student-workspace-tabs {
    display: flex;
    gap: 7px;
    padding: 5px;
    border: 1px solid rgba(196, 216, 235, 0.85);
    border-radius: 17px;
    background: #f1f7fc;
    overflow-x: auto;
}

.student-workspace-tab {
    flex: 1 0 auto;
    border: 0;
    border-radius: 12px;
    padding: 10px 12px;
    background: transparent;
    color: #68819a;
    font: inherit;
    font-size: 13px;
    font-weight: 800;
    white-space: nowrap;
    cursor: pointer;
}

.student-workspace-tab.is-active {
    background: #fff;
    color: #216fbc;
    box-shadow: 0 4px 12px rgba(66, 111, 157, 0.12);
}

.student-workspace-panel {
    padding: 20px;
    border: 1px solid rgba(188, 214, 242, 0.78);
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(246,251,255,0.94) 100%);
}

.student-workspace-panel-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 15px;
}

.student-workspace-panel-head h2 {
    margin: 0 0 5px;
    font-size: 20px;
}

.student-workspace-panel-head span {
    color: #66809a;
    line-height: 1.45;
}

.student-workspace-panel-head strong {
    color: #2874bf;
    font-size: 18px;
    white-space: nowrap;
}

@media (max-width: 1180px) {
    .student-workspace {
        grid-template-columns: 1fr;
    }

    .student-workspace-master {
        position: static;
        max-height: none;
        overflow: visible;
    }

    .student-workspace-master .student-work-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .student-workspace-master .student-work-grid {
        grid-template-columns: 1fr;
    }

    .student-workspace-tabs {
        margin-left: -2px;
        margin-right: -2px;
    }

    .student-workspace-panel-head {
        flex-direction: column;
    }
}

.student-profile-summary-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    min-height: 92px;
    border-radius: 22px;
    box-shadow: 0 14px 28px rgba(84, 116, 160, 0.08);
}

.student-profile-summary-icon {
    width: 54px;
    height: 54px;
    flex: 0 0 54px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    box-shadow: inset 0 0 0 1px rgba(190, 214, 240, 0.55);
}

.student-profile-summary-icon img {
    width: 28px;
    height: 28px;
    object-fit: contain;
    display: block;
}

.student-profile-summary-copy {
    display: grid;
    gap: 6px;
    min-width: 0;
}

.student-profile-summary-copy span {
    font-size: 13px;
    line-height: 1.2;
    color: #6d86a1;
    font-weight: 700;
}

.student-profile-summary-copy strong {
    font-size: 15px;
    line-height: 1.3;
    color: #203a57;
}

.student-profile-summary-card-subject .student-profile-summary-icon {
    background: linear-gradient(180deg, rgba(232, 240, 255, 0.96), rgba(244, 248, 255, 0.96));
}

.student-profile-summary-card-subject .student-profile-summary-icon img {
    filter: brightness(0) saturate(100%) invert(49%) sepia(78%) saturate(1882%) hue-rotate(210deg) brightness(101%) contrast(91%);
}

.student-profile-summary-card-balance .student-profile-summary-icon {
    background: linear-gradient(180deg, rgba(228, 247, 231, 0.96), rgba(243, 252, 244, 0.96));
}

.student-profile-summary-card-balance .student-profile-summary-icon img {
    filter: brightness(0) saturate(100%) invert(44%) sepia(30%) saturate(1085%) hue-rotate(81deg) brightness(94%) contrast(90%);
}

.student-profile-summary-card-access .student-profile-summary-icon {
    background: linear-gradient(180deg, rgba(245, 235, 255, 0.96), rgba(251, 245, 255, 0.96));
}

.student-profile-summary-card-access .student-profile-summary-icon img {
    filter: brightness(0) saturate(100%) invert(47%) sepia(77%) saturate(1825%) hue-rotate(252deg) brightness(101%) contrast(95%);
}

.student-profile-summary-card-vk .student-profile-summary-icon {
    background: linear-gradient(180deg, rgba(232, 240, 255, 0.96), rgba(244, 248, 255, 0.96));
}

.student-profile-summary-card-vk .student-profile-summary-icon img {
    filter: brightness(0) saturate(100%) invert(35%) sepia(99%) saturate(2823%) hue-rotate(216deg) brightness(98%) contrast(95%);
}

.student-profile-summary-card-lesson .student-profile-summary-icon {
    background: linear-gradient(180deg, rgba(255, 242, 225, 0.98), rgba(255, 248, 236, 0.98));
}

.student-profile-summary-card-lesson .student-profile-summary-icon img {
    filter: brightness(0) saturate(100%) invert(68%) sepia(75%) saturate(1880%) hue-rotate(352deg) brightness(100%) contrast(96%);
}

.student-profile-main-card,
.student-profile-detail-card {
    padding: 20px 22px;
    border-radius: 26px;
    border: 1px solid rgba(188, 214, 242, 0.78);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 18px 38px rgba(115, 148, 188, 0.08);
}

.student-profile-detail-card {
    display: flex;
    flex-direction: column;
    gap: 16px;
    height: 100%;
}

.student-profile-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.student-profile-card-title {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    line-height: 1.1;
    font-weight: 800;
    color: #1f3854;
}

.student-profile-detail-card .student-profile-card-title {
    margin-bottom: 2px;
}

.student-profile-card-title-icon {
    width: 30px;
    height: 30px;
    flex: 0 0 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.student-profile-card-title-icon img {
    width: 22px;
    height: 22px;
    display: block;
    object-fit: contain;
    filter: brightness(0) saturate(100%) invert(49%) sepia(78%) saturate(1882%) hue-rotate(210deg) brightness(101%) contrast(91%);
}

.student-profile-card-head-actions {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.student-profile-form-grid {
    gap: 14px 16px;
}

.student-profile-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    align-items: stretch;
}

.student-profile-info-list {
    display: grid;
    gap: 12px;
}

.student-profile-detail-card .student-profile-info-list {
    gap: 10px;
}

.student-profile-info-list > div {
    display: grid;
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 14px;
    align-items: start;
}

.student-profile-info-list strong {
    font-size: 14px;
    line-height: 1.25;
    color: #6f87a1;
    font-weight: 700;
}

.student-profile-info-list span {
    font-size: 15px;
    line-height: 1.35;
    color: #223c59;
    min-width: 0;
}

.student-profile-inline-link {
    word-break: break-all;
}

.student-profile-detail-card .actions.wrap + .note {
    margin-top: 12px;
}

.student-profile-detail-card .actions.wrap {
    align-items: stretch;
}

.student-profile-detail-card .actions.wrap form {
    display: flex;
    margin: 0;
}

.student-profile-detail-card .actions.wrap > .button,
.student-profile-detail-card .actions.wrap form .button {
    min-height: 42px;
    height: 42px;
}

.student-profile-overview-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.student-profile-overview-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 158px;
    padding: 18px;
    border: 1px solid rgba(188, 214, 242, 0.78);
    border-radius: 20px;
    background: linear-gradient(180deg, #fbfdff 0%, #f4f9ff 100%);
    box-shadow: 0 12px 26px rgba(74, 113, 154, 0.06);
}

.student-profile-overview-card h3 {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    color: #294561;
    font-size: 15px;
}

.student-profile-overview-card h3 img {
    width: 18px;
    height: 18px;
    color: #4b82be;
    filter: brightness(0) saturate(100%) invert(45%) sepia(28%) saturate(1564%) hue-rotate(173deg) brightness(91%) contrast(92%);
}

.student-profile-overview-data,
.student-profile-overview-lessons {
    grid-column: span 2;
}

.student-profile-overview-data .student-profile-info-list {
    gap: 8px;
}

.student-profile-overview-value {
    color: #216fbc;
    font-size: 22px;
    line-height: 1.25;
}

.student-profile-next-lesson-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
    color: #5d7792;
    font-size: 13px;
}

.student-profile-next-lesson-meta span:last-child {
    padding: 3px 8px;
    border-radius: 999px;
    color: #33805b;
    background: #e8f7ed;
    font-weight: 700;
}

.student-profile-overview-link {
    margin-top: auto;
    color: #327dbf;
    font-size: 14px;
    font-weight: 700;
}

.student-profile-overview-lesson-list {
    display: grid;
    gap: 7px;
}

.student-profile-overview-lesson-list a {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 9px 11px;
    border-radius: 13px;
    color: #294561;
    background: rgba(255, 255, 255, 0.84);
    font-size: 13px;
    text-decoration: none;
}

.student-profile-overview-lesson-list a span {
    color: #6b849d;
    text-align: right;
}

.student-profile-statistics {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid rgba(196, 216, 235, 0.76);
}

.student-profile-statistics > h3 {
    margin: 0 0 12px;
    color: #294561;
    font-size: 16px;
}

.student-profile-statistics-lessons {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
}

.student-statistics-filters {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    gap: 10px;
    margin: 0 0 14px;
    padding: 10px 12px;
    border: 1px solid rgba(201, 219, 237, .8);
    border-radius: 14px;
    background: rgba(245, 250, 255, .86);
}

.student-statistics-filters label {
    display: grid;
    gap: 5px;
    min-width: 154px;
    color: #7189a2;
    font-size: 12px;
    font-weight: 700;
}

.student-statistics-filters select,
.student-statistics-filters input {
    min-height: 40px;
    padding: 0 11px;
    border: 1px solid rgba(201, 219, 237, .95);
    border-radius: 11px;
    background: #fff;
    color: #294561;
    font: inherit;
    font-weight: 650;
}

.student-statistics-filters .button { min-height: 40px; }

.student-statistics-period-label {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0 13px;
    border: 1px solid #c8ddf3;
    border-radius: 11px;
    background: #eaf4ff;
    color: #2d638f;
    font-size: 13px;
    font-weight: 800;
    white-space: nowrap;
}

.student-profile-statistics-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.student-profile-statistics-grid article {
    display: grid;
    gap: 6px;
    min-width: 0;
    padding: 13px 14px;
    border: 1px solid rgba(201, 219, 237, 0.8);
    border-radius: 16px;
    background: rgba(248, 252, 255, 0.82);
}

.student-profile-statistics-grid span {
    color: #7189a2;
    font-size: 12px;
    font-weight: 700;
}

.student-profile-statistics-grid strong {
    color: #294561;
    font-size: 17px;
    line-height: 1.3;
    overflow-wrap: anywhere;
}

@media (max-width: 900px) {
    .student-profile-overview-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .student-profile-statistics-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 620px) {
    .student-profile-overview-grid {
        grid-template-columns: 1fr;
    }

    .student-profile-overview-data,
    .student-profile-overview-lessons {
        grid-column: auto;
    }

    .student-profile-statistics-grid {
        grid-template-columns: 1fr;
    }
}

.student-profile-detail-card .note + .note {
    margin-top: 8px;
}

.button-inline-icon {
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 18px;
}

.button-inline-icon img {
    width: 18px;
    height: 18px;
    display: block;
    object-fit: contain;
}

.button:not(.light) .button-inline-icon img {
    filter: brightness(0) invert(1);
}

.button.light .button-inline-icon img {
    filter: brightness(0) saturate(100%) invert(49%) sepia(78%) saturate(1882%) hue-rotate(210deg) brightness(101%) contrast(91%);
}

@media (max-width: 1460px) {
    .student-profile-summary-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .student-work-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 1320px) {
    .student-profile-summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .student-metrics-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 1180px) {
    .student-hero-panel,
    .student-cards-panel {
        padding: 24px;
}

    .student-search-bar {
        grid-template-columns: 1fr;
}

    .student-search-actions {
        justify-content: stretch;
        width: 100%;
    }

    .student-search-submit,
    .student-search-reset {
        flex: 1 1 0;
    }

    .student-profile-detail-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 860px) {
    .student-profile-hero,
    .student-profile-card-head {
        flex-direction: column;
        align-items: stretch;
    }

    .student-profile-hero-main {
        align-items: flex-start;
    }

    .student-profile-card-head-actions {
        justify-content: flex-start;
    }

    .student-profile-summary-grid {
        grid-template-columns: 1fr;
    }

    .student-profile-info-list > div {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .student-hero-head {
        align-items: stretch;
    }

    .student-hero-add-button {
        width: 100%;
        justify-content: center;
    }

    .student-search-bar {
        grid-template-columns: 1fr;
    }

    .student-search-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .student-search-submit,
    .student-search-reset {
        width: 100%;
    }

    .student-metrics-grid {
        grid-template-columns: 1fr;
    }

    .student-work-card {
        min-height: 0;
        padding: 18px;
        border-radius: 24px;
    }

    .student-work-head-main {
        gap: 14px;
    }

    .student-work-avatar {
        width: 72px;
        height: 72px;
        flex-basis: 72px;
        border-radius: 22px;
    }

    .student-work-title-block h3 {
        font-size: 19px;
    }

    .student-work-balance-strip,
    .student-work-next-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .student-work-next-row strong {
        text-align: left;
    }
}

/* Final teacher calendar polish */
.calendar-page .teacher-calendar-hero,
.calendar-page .teacher-calendar-panel {
    max-width: 1520px;
    margin-left: auto;
    margin-right: auto;
}

.calendar-page .teacher-calendar-hero {
    padding-bottom: 20px;
}

.calendar-page .teacher-calendar-hero .panel-head {
    gap: 16px;
    align-items: flex-start;
}

.calendar-page .week-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
}

.calendar-page .calendar-week-nav-sticky {
    position: sticky;
    top: 82px;
    z-index: 9;
    max-width: 1520px;
    margin: 12px auto;
    padding: 8px 12px;
    border: 1px solid rgba(203, 219, 230, 0.9);
    border-radius: 18px;
    background: rgba(248, 252, 254, 0.94);
    box-shadow: 0 10px 22px rgba(47, 80, 106, 0.12);
    backdrop-filter: blur(14px);
}

.calendar-page .calendar-week-nav-sticky .week-nav {
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: center;
}

.calendar-page .calendar-week-nav-sticky .week-range {
    flex: 0 1 auto;
    min-width: 210px;
}

.calendar-page .calendar-nav-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
}

.calendar-page .calendar-nav-button-right {
    gap: 10px;
}

.calendar-page .calendar-nav-button-icon {
    width: 16px;
    height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.calendar-page .calendar-nav-button-icon img,
.calendar-page .calendar-nav-button-icon svg {
    width: 16px;
    height: 16px;
    display: block;
}

.calendar-page .calendar-summary-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.calendar-page .calendar-summary-card {
    min-height: 108px;
    padding: 16px 18px;
    gap: 7px;
    border-radius: 20px;
    box-shadow: 0 10px 22px rgba(49, 86, 120, 0.07);
}

.calendar-page .calendar-summary-card .teacher-card-icon {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    margin-bottom: 0;
}

.calendar-page .calendar-summary-card span {
    font-size: 13px;
    font-weight: 700;
    color: #6b86a3;
}

.calendar-page .calendar-summary-card strong {
    font-size: 26px;
    font-weight: 800;
    line-height: 1;
    color: #172B4D;
}

.calendar-page .calendar-summary-card-lessons .teacher-card-icon {
    background: #EFF6FF;
    color: #2563EB;
}

.calendar-page .calendar-summary-card-slots .teacher-card-icon {
    background: #EFF6FF;
    color: #2563EB;
}

.calendar-page .calendar-summary-card-completed .teacher-card-icon {
    background: #ECFDF3;
    color: #15803D;
}

.calendar-page .calendar-summary-card-cancelled .teacher-card-icon {
    background: #FEF2F2;
    color: #EF4444;
}

.calendar-page .teacher-calendar-panel {
    padding: 14px 16px 18px;
}

.calendar-page .calendar-helper-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    position: relative;
    overflow: hidden;
    min-height: 92px;
    margin-bottom: 16px;
    padding: 20px 26px;
    border-radius: 20px;
    border: none;
    background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
    box-shadow: 0 18px 34px rgba(37, 99, 235, 0.28);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.35;
}

.calendar-page .calendar-helper-illustration {
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    width: 170px;
    height: 112px;
    pointer-events: none;
    opacity: 0.9;
    z-index: 0;
}

.calendar-page .calendar-helper-illustration svg {
    width: 100%;
    height: 100%;
    display: block;
}

.calendar-page .calendar-helper-main {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
    flex: 1 1 360px;
    position: relative;
    z-index: 1;
}

.calendar-page .calendar-helper-copy {
    min-width: 0;
}

.calendar-page .calendar-helper-title-row,
.calendar-page .calendar-helper-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 9px;
}

.calendar-page .calendar-helper-title-row > strong {
    color: #fff;
    font-size: 18px;
    font-weight: 800;
}

.calendar-page .calendar-helper-status {
    padding: 4px 11px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.22);
    color: #fff;
    font-size: 12px;
    font-weight: 800;
}

.calendar-page .calendar-helper-line .calendar-helper-countdown {
    color: rgba(255, 255, 255, 0.94);
    font-weight: 700;
    font-size: 13px;
    margin-top: 4px;
}

.calendar-page .calendar-helper-meta {
    margin-top: 4px;
    color: rgba(255, 255, 255, 0.94);
    font-size: 13px;
}

.calendar-page .calendar-helper-meta > strong {
    color: #fff;
    font-weight: 800;
}

.calendar-page .calendar-helper-meta > span {
    color: rgba(255, 255, 255, 0.85);
}

.calendar-page .calendar-helper-meta > span::before {
    content: "Ученик: ";
    color: rgba(255, 255, 255, 0.72);
}

.calendar-page .calendar-helper-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.96);
    color: #2563EB;
    flex-shrink: 0;
    box-shadow: 0 6px 14px rgba(15, 45, 110, 0.18);
}

.calendar-page .calendar-helper-icon img,
.calendar-page .calendar-helper-icon svg {
    width: 22px;
    height: 22px;
    display: block;
}

.calendar-page .calendar-helper-open {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 11px 20px;
    border: none;
    border-radius: 13px;
    background: #1D4ED8;
    color: #fff;
    font-size: 13px;
    font-weight: 800;
    box-shadow: 0 10px 22px rgba(15, 45, 110, 0.28);
    align-self: center;
    margin-top: 0;
    position: relative;
    z-index: 1;
}

.calendar-page .calendar-helper-open:hover {
    background: #1a43b8;
}

.calendar-page .calendar-helper-open .calendar-nav-button-icon img,
.calendar-page .calendar-helper-open .calendar-nav-button-icon svg {
    filter: brightness(0) invert(1);
}

.calendar-page .calendar-grid-scroll {
    overflow-x: auto;
    padding-bottom: 4px;
}

.calendar-page .teacher-calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(188px, 1fr));
    gap: 12px;
    min-width: 1380px;
}

.calendar-page .calendar-day-card {
    min-height: 500px;
    padding: 12px 12px 14px;
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(247, 251, 255, 0.96) 100%);
    box-shadow: 0 10px 22px rgba(49, 86, 120, 0.06);
}

.calendar-page .calendar-day-head {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 10px;
}

.calendar-page .day-title {
    font-size: 16px;
}

.calendar-page .day-date-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.calendar-page .day-date {
    margin: 0;
    font-size: 13px;
    color: #6b86a3;
}

.calendar-page .day-today-badge {
    display: inline-flex;
    align-items: center;
    min-height: 22px;
    padding: 3px 9px;
    border-radius: 999px;
    background: rgba(233, 244, 255, 0.95);
    border: 1px solid rgba(176, 208, 244, 0.95);
    color: #2b73d8;
    font-size: 11px;
    font-weight: 800;
}

.calendar-page .day-card-today {
    border: 2px solid rgba(71, 139, 224, 0.92);
    background: linear-gradient(180deg, rgba(239, 248, 255, 0.98) 0%, rgba(249, 253, 255, 0.96) 100%);
    box-shadow: 0 16px 32px rgba(49, 118, 201, 0.18), inset 0 0 0 3px rgba(117, 180, 244, 0.12);
}

.calendar-page .day-card-today .day-date {
    color: #1765bd;
    font-weight: 900;
}

.calendar-page .day-card-today .day-today-badge {
    background: linear-gradient(180deg, #2f86df 0%, #1e6fc7 100%);
    color: #fff;
    border-color: transparent;
}

.calendar-page .day-actions.inline-actions {
    gap: 7px;
    margin-bottom: 10px;
}

.calendar-page .day-action-button-slots-manage {
    background: #f5f9fd;
    border-color: rgba(160, 190, 220, 0.9);
    color: #3b6287;
}

.calendar-page .slot-save-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
}

.calendar-page .slot-save-scope {
    color: #66809a;
    font-size: 12px;
    font-weight: 700;
}

.manage-slot-modal-panel {
    width: min(820px, 100%);
}

.manage-slot-form-layout {
    gap: 14px;
}

.slot-edit-section,
.slot-extra-actions {
    padding: 16px;
    border: 1px solid rgba(194, 215, 234, 0.92);
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(250, 253, 255, 0.96) 0%, rgba(244, 250, 255, 0.9) 100%);
}

.slot-section-heading {
    margin-bottom: 13px;

    display: flex;
    flex-direction: column;
    gap: 3px;
}

.slot-section-heading strong {
    color: #203e59;
    font-size: 15px;
}

.slot-section-heading span {
    color: #6b849c;
    font-size: 12.5px;
    line-height: 1.35;
}

.slot-parameters-grid {
    display: grid;
    grid-template-columns: minmax(220px, 1.25fr) minmax(150px, 0.85fr) minmax(150px, 0.85fr);
    gap: 12px;
    align-items: end;
}

.slot-parameters-grid label {
    margin: 0;
}

.slot-active-check {
    display: grid;
    grid-template-columns: auto auto 1fr;
    align-items: center;
    column-gap: 8px;
    margin-top: 13px;
    padding: 10px 12px;
    border-radius: 14px;
    border: 1px solid rgba(190, 216, 239, 0.9);
    background: rgba(255, 255, 255, 0.78);
}

.slot-active-check small {
    color: #6f879e;
    font-size: 12px;
    text-align: right;
}

.manage-slot-form-layout .manage-slot-form-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;

    gap: 9px;
}

.manage-slot-form-layout .slot-save-actions {
    align-items: flex-start;
    gap: 6px;
    border-radius: 16px;

    padding: 12px;
    border: 1px solid rgba(193, 216, 236, 0.95);
    background: rgba(255, 255, 255, 0.82);
}

.manage-slot-form-layout .slot-save-primary {
    border-color: rgba(74, 149, 222, 0.94);
    box-shadow: inset 0 0 0 1px rgba(137, 196, 246, 0.26), 0 6px 14px rgba(58, 128, 198, 0.08);
    background: linear-gradient(180deg, rgba(238, 248, 255, 0.98) 0%, rgba(225, 242, 255, 0.92) 100%);
}

.manage-slot-form-layout .slot-save-series {
    border-color: rgba(207, 221, 235, 0.9);
    background: rgba(250, 252, 255, 0.84);
}

.manage-slot-form-layout .slot-save-scope {
    color: #294f72;
    font-size: 13.5px;
    font-weight: 800;
}

.slot-save-tag {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 3px 7px;
    border-radius: 999px;
    background: #e8f4ff;
    color: #3979bb;
    font-size: 10.5px;
    font-weight: 800;
    letter-spacing: 0.01em;
}

.slot-save-series .slot-save-tag {
    background: #f0f4f8;
    color: #70849a;
}

.slot-save-description {
    min-height: 32px;
    color: #6d859d;
    font-size: 12px;
    line-height: 1.4;
}

.manage-slot-form-layout .slot-save-actions .button {
    width: 100%;
    margin-top: auto;
}

.slot-series-info {
    display: flex;
    gap: 8px;
    margin-top: 9px;
    padding: 8px 10px;
    border: 1px solid rgba(170, 210, 242, 0.9);
    border-radius: 11px;
    background: rgba(239, 248, 255, 0.88);
    color: #476b8c;
    font-size: 12px;
    line-height: 1.4;

    align-items: flex-start;
    max-width: 540px;
}

.slot-series-info-icon {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    margin-top: 1px;
    border-radius: 50%;
    background: #5c9bda;
    color: #fff;
    font-family: Georgia, serif;
    font-size: 12px;
    font-weight: 700;
}

.slot-extra-actions {
    margin-top: 14px;
    background: rgba(251, 252, 254, 0.9);
}

.slot-extra-actions .slot-section-heading {
    margin-bottom: 11px;
}

.slot-extra-actions .actions {
    justify-content: space-between;
    align-items: center;
}

.slot-extra-actions .actions form {
    display: flex;
    align-items: stretch;
    margin: 0;
}

.slot-extra-actions #delete-slot-form {
    margin-left: auto;
}

.slot-extra-actions #delete-slot-series-form:not([hidden]) {
    display: flex;
}

.slot-extra-actions #delete-slot-form .button,
.slot-extra-actions #delete-slot-series-form .button {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.modal-panel.manage-slot-modal-panel {
    width: min(820px, 100%);
    max-height: min(92dvh, 930px);
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.manage-slot-modal-panel > .panel-head {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: space-between;
    padding: 22px 26px 16px;
    margin: 0;
}
.manage-slot-title-group,
.manage-slot-footer-actions,
.manage-slot-footer-note {
    display: flex;
    align-items: center;
}
.manage-slot-title-group { gap: 12px; }
.manage-slot-title-icon {
    display: inline-grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: 13px;
    background: #edf5ff;
}
.manage-slot-title-icon img { width: 22px; height: 22px; }
.manage-slot-modal-body {
    min-height: 0;
    padding: 0 26px 20px;
    overflow-y: auto;
    overscroll-behavior: contain;
}
.manage-slot-modal-body .slot-edit-section,
.manage-slot-modal-body .slot-extra-actions {
    background: var(--bg-card);
}
.slot-section-heading {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 11px;
}
.slot-section-heading > div { display: flex; flex-direction: column; gap: 3px; }
.slot-section-heading .slot-section-step {
    display: inline-grid;
    width: 28px;
    height: 28px;
    place-items: center;
    flex: 0 0 auto;
    border-radius: 50%;
    background: var(--accent-primary);
    color: #fff;
    font-size: 13px;
    font-weight: 800;
    box-shadow: 0 5px 12px rgba(35, 115, 191, 0.2);
}
.slot-parameters-grid .time-row { display: flex; align-items: center; gap: 7px; }
.slot-parameters-grid .time-row img { width: 17px; height: 17px; flex: 0 0 auto; }
.slot-parameters-grid .time-row input { width: min(78px, 100%); }

/* Единый компактный ввод времени в окнах управления. */
.manage-lesson-form .time-row,
.manage-slot-form-layout .time-row,
.time-inputs-unified .time-row {
    display: inline-grid;
    grid-template-columns: minmax(46px, 1fr) auto minmax(46px, 1fr);
    align-items: center;
    gap: 5px;
    min-height: 46px;
    padding: 0 9px;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: var(--bg-card);
}
.manage-lesson-form .time-row input,
.manage-slot-form-layout .time-row input,
.time-inputs-unified .time-row input {
    width: 100%;
    min-width: 0;
    padding: 7px 1px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    text-align: center;
}
.manage-lesson-form .time-row input:focus,
.manage-slot-form-layout .time-row input:focus,
.time-inputs-unified .time-row input:focus { outline: 0; box-shadow: none; }
.manage-lesson-form .time-row:focus-within,
.manage-slot-form-layout .time-row:focus-within,
.time-inputs-unified .time-row:focus-within { border-color: var(--accent-primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-primary) 13%, transparent); }
.manage-lesson-form .time-row > span,
.manage-slot-form-layout .time-row > span,
.time-inputs-unified .time-row > span { font-weight: 800; color: var(--text-primary); }
.slot-active-check > img { width: 20px; height: 20px; }
.manage-slot-form-layout .manage-slot-form-actions { gap: 12px; }
.manage-slot-form-layout .slot-save-actions {
    display: flex;
    min-height: 122px;
    padding: 16px;
    border: 1px solid rgba(193, 216, 236, 0.95);
    background: var(--bg-card);
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
}
.manage-slot-form-layout .slot-save-actions > img {
    width: 38px;
    height: 38px;
    flex: 0 0 auto;
    padding: 8px;
    border-radius: 12px;
    background: #edf5ff;
}
.manage-slot-form-layout .slot-save-actions > span { display: block; }
.manage-slot-form-layout .slot-save-actions strong,
.manage-slot-form-layout .slot-save-actions small { display: block; }
.manage-slot-form-layout .slot-save-actions strong { margin: 1px 0 6px; color: var(--text-primary); font-size: 15px; }
.manage-slot-form-layout .slot-save-actions small { color: var(--text-secondary); font-size: 12.5px; font-weight: 500; line-height: 1.4; }
.manage-slot-form-layout .slot-save-primary.is-selected {
    border-color: var(--accent-primary);
    background: #f2f8ff;
    box-shadow: inset 0 0 0 1px rgba(35, 115, 191, 0.1);
}
.manage-slot-form-layout .slot-save-series.is-selected { border-color: var(--accent-primary); background: #f7fbff; }
.slot-series-info { align-items: center; max-width: none; }
.slot-series-info img { width: 17px; height: 17px; flex: 0 0 auto; }
.slot-extra-actions .actions { gap: 10px; }
.slot-extra-actions .button { min-height: 42px; }
.slot-extra-actions .button img { width: 17px; height: 17px; }
.manage-slot-modal-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex: 0 0 auto;
    padding: 14px 26px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-card);
}
.manage-slot-footer-note { gap: 8px; color: var(--text-secondary); font-size: 12px; }
.manage-slot-footer-note img { width: 16px; height: 16px; }
.manage-slot-footer-actions { gap: 10px; }

@media (max-width: 640px) {
    .slot-parameters-grid,
    .manage-slot-form-layout .manage-slot-form-actions {
        grid-template-columns: 1fr;
    }

    .slot-active-check {
        grid-template-columns: auto 1fr;
    }

    .slot-active-check small {
        grid-column: 2;
        text-align: left;
    }

    .slot-extra-actions .actions,
    .slot-extra-actions #delete-slot-form,
    .slot-extra-actions #delete-slot-series-form,
    .slot-extra-actions #delete-slot-form .button {
        width: 100%;
        margin-left: 0;
    }

    .slot-extra-actions #delete-slot-series-form .button {
        width: 100%;
    }

    .manage-slot-modal-panel > .panel-head { padding: 18px 18px 14px; }
    .manage-slot-modal-body { padding: 0 18px 18px; }
    .manage-slot-title-group h1 { font-size: 25px; }
    .manage-slot-modal-footer { align-items: stretch; flex-direction: column; padding: 14px 18px; }
    .manage-slot-footer-actions { width: 100%; }
    .manage-slot-footer-actions .button { flex: 1 1 0; }
}

.calendar-page .day-slots-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 360px;
    overflow-y: auto;
}

.calendar-page .day-manage-tabs {
    display: flex;
    gap: 8px;
    margin: 6px 0 14px;
    padding: 5px;
    border-radius: 16px;
    background: #eef5fb;
}

.calendar-page .day-manage-tab {
    flex: 1 1 0;
    border: 0;
    border-radius: 12px;
    padding: 10px 12px;
    background: transparent;
    color: #63809a;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

.calendar-page .day-manage-tab.is-active {
    background: #fff;
    color: #1f6fbe;
    box-shadow: 0 4px 12px rgba(56, 104, 147, 0.12);
}

.calendar-page .day-lesson-option span {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.calendar-page .day-lesson-option span small {
    color: #6e8499;
    font-weight: 600;
}

.calendar-page #day-slots-form .actions,
.calendar-page #day-lessons-form .actions {
    position: sticky;
    bottom: 0;
    margin-bottom: 0;
    padding: 12px 0 2px;
    background: linear-gradient(180deg, rgba(255,255,255,0.78), #fff 36%);
}

.calendar-page .day-slot-option {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
    padding: 11px 13px;
    border: 1px solid rgba(183, 208, 232, 0.9);
    border-radius: 14px;
    background: #f8fbfe;
    cursor: pointer;
}

.calendar-page .day-slot-option input {
    width: 18px;
    height: 18px;
    margin: 0;
}

.calendar-page .day-slot-option span {
    font-weight: 800;
}

.calendar-page .day-slot-option small {
    color: #6e8499;
    font-weight: 700;
}

.calendar-page .day-action-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 32px;
    padding: 6px 12px;
    border-radius: 11px;
    font-size: 13px;
    font-weight: 800;
    box-shadow: 0 6px 14px rgba(56, 98, 145, 0.07);
}

.calendar-page .day-action-button-icon {
    width: 14px;
    height: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.calendar-page .day-action-button-icon img,
.calendar-page .day-action-button-icon svg {
    width: 14px;
    height: 14px;
    display: block;
}

.calendar-page .day-action-button-lesson {
    background: linear-gradient(180deg, #fff3d9 0%, #ffe6b5 100%);
    border-color: rgba(237, 193, 109, 0.9);
    color: #ba7413;
}

.calendar-page .day-action-button-slot {
    background: linear-gradient(180deg, #edf7ff 0%, #dceeff 100%);
    border-color: rgba(150, 195, 238, 0.9);
    color: #2473ce;
}

.calendar-page .lesson-stack {
    gap: 8px;
}

.calendar-page .lesson-chip {
    padding: 11px 12px;
    border-radius: 14px;
    gap: 5px;
    box-shadow:
        0 8px 18px rgba(58, 94, 122, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.52);
    position: relative;
    overflow: hidden;
}

.calendar-page .lesson-chip-lesson {
    padding: 13px 12px 12px;
    border-color: rgba(203, 232, 201, 0.96);
    background: linear-gradient(180deg, #fcfffb 0%, #f4fcf1 100%);
}

.calendar-page .lesson-chip-lesson:hover {
    transform: translateY(-1px);
    box-shadow:
        0 12px 24px rgba(58, 94, 122, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.58);
}

.calendar-page .lesson-chip strong {
    font-size: 14px;
    line-height: 1.25;
}

.calendar-page .lesson-chip-lesson strong {
    color: #38a44f;
    font-size: 15px;
    font-weight: 800;
    padding-right: 24px;
}

.calendar-page .lesson-chip span {
    font-size: 12px;
    line-height: 1.3;
}

.calendar-page .lesson-chip .lesson-primary {
    font-size: 14px;
    font-weight: 800;
    color: #26425f;
    margin-top: 2px;
}

.calendar-page .lesson-chip::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 3px;
    border-radius: 14px 0 0 14px;
    background: rgba(84, 144, 88, 0.18);
}

.calendar-page .lesson-card-corner-icon {
    position: absolute;
    top: 12px;
    right: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    opacity: 0.95;
}

.calendar-page .lesson-card-corner-icon img,
.calendar-page .lesson-card-corner-icon svg {
    width: 18px;
    height: 18px;
    display: block;
}

.calendar-page .lesson-chip-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 6px;
}

.calendar-page .chip-pill {
    display: inline-flex;
    align-items: center;
    min-height: 22px;
    padding: 3px 8px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(186, 210, 232, 0.95);
    font-size: 10px;
    font-weight: 800;
    color: #55718f;
}

.calendar-page .lesson-chip-lesson .chip-pill {
    background: linear-gradient(180deg, #f6fff3 0%, #ecfae7 100%);
    border-color: rgba(174, 224, 170, 0.96);
    color: #4fa45d;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.calendar-page .slot-chip {
    background: linear-gradient(180deg, #fbf9ff 0%, #f2edff 100%);
    border-color: rgba(174, 149, 238, 0.92);
    border-style: solid;
    box-shadow:
        0 8px 18px rgba(112, 81, 191, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.calendar-page .slot-chip strong,
.calendar-page .slot-chip .slot-time {
    color: #7250c4;
}

.calendar-page .slot-chip .chip-pill {
    background: rgba(255, 255, 255, 0.78);
    border-color: rgba(188, 168, 240, 0.95);
    color: #7250c4;
}

.calendar-page .slot-card-topline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.calendar-page .slot-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.calendar-page .slot-card-icon img,
.calendar-page .slot-card-icon svg {
    width: 14px;
    height: 14px;
    display: block;
}

.calendar-page .slot-chip .slot-time {
    font-weight: 800;
}

.calendar-page .slot-chip::before {
    background: rgba(122, 82, 207, 0.2);
}

.calendar-page .slot-chip.is-inactive {
    background: linear-gradient(180deg, #f4f6f8 0%, #e8edf2 100%);
    border-color: rgba(132, 145, 158, 0.8);
    box-shadow: none;
}

.calendar-page .slot-chip.is-inactive strong,
.calendar-page .slot-chip.is-inactive .slot-time {
    color: #69798a;
}

.calendar-page .slot-chip.is-inactive::before {
    background: rgba(105, 121, 138, 0.16);
}

/* Requests workspace: only the page content below the shared application header. */
.booking-requests-page .requests-workspace {
    width: min(1375px, calc(100% - 48px));
    margin: 24px auto 44px;
}

.booking-requests-page .requests-hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 124px;
    overflow: hidden;
    padding: 26px 36px;
    border: 1px solid #d8e6f8;
    border-radius: 22px;
    background:
        radial-gradient(circle at 82% 8%, rgba(190, 220, 255, .72), transparent 26%),
        linear-gradient(112deg, #fff 0%, #f9fcff 44%, #e9f4ff 100%);
    box-shadow: 0 10px 28px rgba(38, 91, 153, .07);
}

.booking-requests-page .requests-hero-copy { position: relative; z-index: 1; max-width: 760px; }
.booking-requests-page .requests-hero h1 { margin: 0; color: #17324b; font-size: clamp(28px, 3vw, 38px); line-height: 1.08; }
.booking-requests-page .requests-hero p { margin: 10px 0 0; color: #5f7896; font-size: 15px; line-height: 1.45; }
.booking-requests-page .requests-hero-illustration { position: absolute; right: 220px; bottom: -5px; width: 190px; max-width: 24%; opacity: .9; pointer-events: none; }
.booking-requests-page .requests-calendar-link { position: relative; z-index: 1; display: inline-flex; align-items: center; gap: 9px; min-width: 184px; min-height: 53px; margin-left: auto; padding: 0 22px; border-color: #d0e1f5; background: rgba(255, 255, 255, .92); box-shadow: 0 8px 18px rgba(39, 98, 162, .08); }
.booking-requests-page .requests-calendar-link img { width: 19px; height: 19px; }

.booking-requests-page .requests-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin: 18px 0 22px; }
.booking-requests-page .requests-stat-card { display: flex; align-items: center; gap: 20px; min-height: 102px; padding: 20px 30px; border: 1px solid #dce9f8; border-radius: 20px; background: #fff; box-shadow: 0 7px 22px rgba(47, 91, 143, .045); }
.booking-requests-page .requests-stat-icon { display: inline-flex; align-items: center; justify-content: center; width: 64px; height: 64px; border-radius: 50%; background: #edf6ff; }
.booking-requests-page .requests-stat-icon img { width: 30px; height: 30px; }
.booking-requests-page .requests-stat-copy { display: grid; gap: 5px; color: #38516d; font-size: 15px; font-weight: 750; }
.booking-requests-page .requests-stat-copy strong { color: #1d72d3; font-size: 31px; line-height: 1; }
.booking-requests-page .requests-stat-card.is-accepted .requests-stat-icon { background: #eff9e9; }
.booking-requests-page .requests-stat-card.is-accepted .requests-stat-copy strong { color: #61a842; }
.booking-requests-page .requests-stat-card.is-rejected .requests-stat-icon { background: #fff0f1; }
.booking-requests-page .requests-stat-card.is-rejected .requests-stat-copy strong { color: #ed5d64; }

.booking-requests-page .requests-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 14px; }
.booking-requests-page .requests-filter-tabs { display: flex; flex-wrap: wrap; gap: 10px; }
.booking-requests-page .requests-filter-tab { min-height: 37px; padding: 0 20px; border: 1px solid #d7e5f5; border-radius: 11px; background: #fff; color: #2472ce; font: inherit; font-size: 13px; font-weight: 800; cursor: pointer; transition: .18s ease; }
.booking-requests-page .requests-filter-tab:hover { border-color: #9ec8f6; background: #f5faff; }
.booking-requests-page .requests-filter-tab.is-active { border-color: #1674dc; background: linear-gradient(180deg, #1682ed, #0861ca); color: #fff; box-shadow: 0 6px 14px rgba(22, 111, 213, .18); }
.booking-requests-page .requests-search { display: flex; align-items: center; width: min(344px, 100%); height: 42px; padding: 0 13px; border: 1px solid #d7e5f5; border-radius: 13px; background: #fff; }
.booking-requests-page .requests-search:focus-within { border-color: #7db9f4; box-shadow: 0 0 0 3px rgba(51, 133, 225, .12); }
.booking-requests-page .requests-search img { width: 19px; height: 19px; margin-right: 10px; }
.booking-requests-page .requests-search input { width: 100%; min-width: 0; border: 0; outline: 0; background: transparent; color: #17324b; font: inherit; font-size: 14px; }
.booking-requests-page .requests-search input::placeholder { color: #8aa0bb; }

.booking-requests-page .requests-list { display: grid; gap: 10px; }
.booking-requests-page .lesson-change-requests { margin-top: 24px; padding: 22px; border: 1px solid #cfe2f7; border-radius: 18px; background: rgba(255, 255, 255, .92); box-shadow: 0 8px 22px rgba(48, 94, 148, .045); }
.booking-requests-page .lesson-change-requests-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 16px; }
.booking-requests-page .lesson-change-requests-heading h2 { margin: 0; color: #17324b; font-size: 21px; }
.booking-requests-page .lesson-change-requests-heading p { max-width: 700px; margin: 6px 0 0; color: #65809c; font-size: 13px; line-height: 1.45; }
.booking-requests-page .lesson-change-requests-count { display: inline-flex; align-items: center; justify-content: center; min-width: 30px; height: 30px; padding: 0 9px; border-radius: 999px; background: #e8f3ff; color: #1674dc; font-size: 14px; font-weight: 850; }
.booking-requests-page .lesson-change-requests-list { display: grid; gap: 10px; }
.booking-requests-page .lesson-change-request { display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; gap: 14px; align-items: center; padding: 13px; border: 1px solid #d6e6f7; border-radius: 14px; background: #fbfdff; }
.booking-requests-page .lesson-change-request.is-cancellation { border-color: #f2c8cc; background: #fffafa; }
.booking-requests-page .lesson-change-request-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; background: #eaf4ff; }
.booking-requests-page .lesson-change-request.is-cancellation .lesson-change-request-icon { background: #fff0f1; }
.booking-requests-page .lesson-change-request-icon img { width: 22px; height: 22px; }
.booking-requests-page .lesson-change-request-copy { min-width: 0; }
.booking-requests-page .lesson-change-request-copy h3 { margin: 5px 0 2px; color: #1c3852; font-size: 16px; }
.booking-requests-page .lesson-change-request-copy p { margin: 0; color: #65809c; font-size: 13px; overflow-wrap: anywhere; }
.booking-requests-page .lesson-change-request-copy .lesson-change-request-comment { margin-top: 8px; padding: 9px 11px; border: 1px solid #f2c5c9; border-radius: 9px; background: #fff; color: #6e3038; font-size: 14px; font-weight: 650; line-height: 1.45; }
.booking-requests-page .lesson-change-request-badge { display: inline-flex; padding: 3px 8px; border-radius: 999px; background: #e8f3ff; color: #1d72d3; font-size: 11px; font-weight: 850; }
.booking-requests-page .lesson-change-request.is-cancellation .lesson-change-request-badge { background: #fff0f1; color: #d9575e; }
.booking-requests-page .lesson-change-request-actions { display: flex; flex-wrap: wrap; align-items: stretch; justify-content: flex-end; gap: 8px; }
.booking-requests-page .lesson-change-request-actions form { display: flex; margin: 0; }
.booking-requests-page .lesson-change-request-actions .button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 8px 14px; border-radius: 10px; font-size: 12px; font-weight: 800; white-space: nowrap; }
.booking-requests-page .request-card { position: relative; display: grid; grid-template-columns: 250px minmax(0, 1fr) 260px; gap: 26px; align-items: center; min-height: 145px; padding: 16px 64px 16px 26px; border: 1px solid #d6e6f7; border-radius: 18px; background: #fff; box-shadow: 0 8px 22px rgba(48, 94, 148, .045); }
.booking-requests-page .request-card[hidden] { display: none; }
.booking-requests-page .request-card.lesson-change-request { grid-template-columns: 44px minmax(0, 1fr) auto; min-height: 0; gap: 14px; padding: 13px; border-radius: 14px; background: #fbfdff; }
.booking-requests-page .request-card.lesson-change-request.is-cancellation { border-color: #f2c8cc; background: #fffafa; }
.booking-requests-page .request-person { display: grid; grid-template-columns: 58px minmax(0, 1fr); column-gap: 14px; align-items: center; }
.booking-requests-page .request-status-badge { grid-column: 1 / -1; width: fit-content; margin-bottom: 9px; padding: 4px 11px; border-radius: 999px; background: #e8f3ff; color: #2173d7; font-size: 11px; font-weight: 850; }
.booking-requests-page .request-avatar { display: inline-flex; align-items: center; justify-content: center; width: 58px; height: 58px; border-radius: 50%; background: linear-gradient(145deg, #dcecff, #eef5ff); color: #2271d2; font-size: 25px; font-weight: 850; }
.booking-requests-page .request-person-copy { min-width: 0; }
.booking-requests-page .request-person h2 { margin: 0; color: #17324b; font-size: 20px; line-height: 1.2; overflow-wrap: anywhere; }
.booking-requests-page .request-person-copy > span { display: inline-flex; align-items: center; gap: 6px; margin-top: 7px; color: #6e88a7; font-size: 13px; }
.booking-requests-page .request-person-copy img { width: 15px; height: 15px; }
.booking-requests-page .request-details { min-width: 0; }
.booking-requests-page .request-meta-grid { display: grid; grid-template-columns: 1fr 1fr minmax(150px, 1.35fr); gap: 18px; }
.booking-requests-page .request-meta-item { display: flex; align-items: flex-start; gap: 9px; min-width: 0; }
.booking-requests-page .request-meta-item > img { flex: 0 0 auto; width: 20px; height: 20px; margin-top: 1px; }
.booking-requests-page .request-meta-item div { display: grid; min-width: 0; gap: 3px; }
.booking-requests-page .request-meta-item strong { overflow-wrap: anywhere; color: #284560; font-size: 14px; line-height: 1.25; }
.booking-requests-page .request-meta-item span { color: #89a0ba; font-size: 11px; font-weight: 700; }
.booking-requests-page .request-note { display: flex; align-items: center; gap: 8px; min-height: 39px; margin-top: 13px; padding: 8px 12px; border-radius: 10px; background: #f1f7ff; color: #567390; font-size: 13px; line-height: 1.3; overflow-wrap: anywhere; }
.booking-requests-page .request-note img { width: 17px; height: 17px; flex: 0 0 auto; }
.booking-requests-page .request-note.is-rejection { background: #fff1f2; color: #e45a61; }
.booking-requests-page .request-actions { position: relative; display: grid; gap: 8px; align-self: stretch; justify-items: stretch; align-content: center; }
.booking-requests-page .request-actions form { margin: 0; }
.booking-requests-page .request-actions .button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; width: 100%; min-height: 36px; padding: 7px 12px; border-radius: 9px; font-size: 13px; font-weight: 800; }
.booking-requests-page .request-actions .button img { width: 16px; height: 16px; }
.booking-requests-page .request-action-primary { background: linear-gradient(180deg, #1682ed, #0861ca); box-shadow: 0 6px 14px rgba(22, 111, 213, .17); }
.booking-requests-page .request-action-secondary { border-color: #bfdaf7; color: #1570d5; }
.booking-requests-page .request-action-danger { border: 1px solid #ffc4c7; background: #fffafb; color: #ef545c; box-shadow: none; }
.booking-requests-page .request-action-danger:hover { border-color: #f29ca2; background: #fff2f3; }
.booking-requests-page .request-resolved-copy { display: grid; gap: 6px; padding: 14px 0; color: #5f7896; font-size: 12px; text-align: center; }
.booking-requests-page .request-resolved-copy strong { color: #63809f; font-size: 14px; }
.booking-requests-page .request-card.status-accepted .request-status-badge { background: #e9f8eb; color: #438c4c; }
.booking-requests-page .request-card.status-accepted .request-avatar { background: linear-gradient(145deg, #e5f7e4, #f0fbef); color: #4c9c55; }
.booking-requests-page .request-card.status-rejected .request-status-badge,
.booking-requests-page .request-card.status-conflict .request-status-badge,
.booking-requests-page .request-card.status-cancelled_by_student .request-status-badge,
.booking-requests-page .request-card.status-expired .request-status-badge { background: #fff0f1; color: #eb5e65; }
.booking-requests-page .request-card.status-rejected .request-avatar,
.booking-requests-page .request-card.status-conflict .request-avatar,
.booking-requests-page .request-card.status-cancelled_by_student .request-avatar,
.booking-requests-page .request-card.status-expired .request-avatar { background: linear-gradient(145deg, #ffebec, #fff6f6); color: #e36067; }
.booking-requests-page .request-card.is-resolved { background: linear-gradient(90deg, #fff 0%, #fbfdff 100%); }
.booking-requests-page .requests-empty-filter { margin: 20px 0 0; color: #6a839e; text-align: center; }
.booking-requests-page .requests-selection-bar { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin: -4px 0 14px; padding: 11px 14px; border: 1px solid #cfe2f7; border-radius: 13px; background: #f4f9ff; color: #31526f; }
.booking-requests-page .requests-selection-bar[hidden] { display: none; }
.booking-requests-page .requests-selection-bar .button { min-height: 36px; padding: 7px 14px; border-radius: 9px; }
.booking-requests-page .request-card-heading { grid-column: 1 / -1; display: flex; align-items: center; gap: 8px; margin-bottom: 9px; }
.booking-requests-page .request-card-heading .request-status-badge { margin: 0; }
.booking-requests-page .request-select-control { position: relative; display: inline-flex; width: 18px; height: 18px; cursor: pointer; }
.booking-requests-page .request-select-control input { position: absolute; inline-size: 1px; block-size: 1px; opacity: 0; }
.booking-requests-page .request-select-control span { width: 18px; height: 18px; border: 1px solid #aac8e8; border-radius: 5px; background: #fff; box-shadow: inset 0 1px 1px rgba(28, 81, 133, .04); }
.booking-requests-page .request-select-control input:checked + span { border-color: #1777dc; background: #1777dc; box-shadow: inset 0 0 0 4px #fff; }
.booking-requests-page .request-select-control input:focus-visible + span { outline: 3px solid rgba(31, 119, 220, .2); outline-offset: 2px; }
.booking-requests-page .request-proposal-copy { color: #47749f; }
.booking-requests-page .request-card.status-proposed_new_time { border-color: #c9dcf5; background: linear-gradient(100deg, #fff 0%, #f6fbff 100%); }
.booking-requests-page .request-card.status-proposed_new_time .request-status-badge { background: #edf4ff; color: #3976ba; }
.booking-requests-page .request-proposal-dialog { width: min(520px, calc(100vw - 32px)); margin: auto; padding: 0; border: 1px solid #d5e5f7; border-radius: 20px; color: #17324b; box-shadow: 0 24px 65px rgba(24, 57, 91, .28); }
.booking-requests-page .request-proposal-dialog::backdrop { background: rgba(25, 48, 73, .4); backdrop-filter: blur(3px); }
.booking-requests-page .request-proposal-dialog form { position: relative; display: grid; gap: 16px; padding: 28px; }
.booking-requests-page .request-proposal-dialog h2 { margin: 0; font-size: 25px; }
.booking-requests-page .request-proposal-dialog p { margin: 0; line-height: 1.5; }
.booking-requests-page .request-proposal-kicker { color: #1b75d0; font-size: 12px; font-weight: 850; letter-spacing: .04em; text-transform: uppercase; }
.booking-requests-page .request-proposal-dialog label { display: grid; gap: 7px; color: #294760; font-size: 13px; font-weight: 800; }
.booking-requests-page .request-proposal-dialog select,
.booking-requests-page .request-proposal-dialog textarea { width: 100%; border: 1px solid #cbdff4; border-radius: 10px; background: #fbfdff; color: #17324b; font: inherit; font-weight: 500; padding: 10px 12px; }
.booking-requests-page .request-proposal-dialog textarea { resize: vertical; }
.booking-requests-page .request-proposal-close { position: absolute; top: 16px; right: 16px; width: 34px; height: 34px; border: 0; border-radius: 50%; background: #edf6ff; color: #355a7e; font-size: 20px; line-height: 1; cursor: pointer; }
.booking-requests-page .request-proposal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 3px; }
.booking-requests-page .request-proposal-actions .button { min-height: 40px; }
.booking-requests-page .request-confirm-dialog {
    width: min(460px, calc(100vw - 32px));
    margin: auto;
    padding: 0;
    border: 1px solid #d5e5f7;
    border-radius: 20px;
    color: #17324b;
    box-shadow: 0 24px 65px rgba(24, 57, 91, .28);
}
.booking-requests-page .request-confirm-dialog::backdrop { background: rgba(25, 48, 73, .4); backdrop-filter: blur(3px); }
.booking-requests-page .request-confirm-dialog-body { position: relative; display: grid; gap: 14px; padding: 28px; }
.booking-requests-page .request-confirm-dialog h2 { margin: 0; font-size: 25px; }
.booking-requests-page .request-confirm-dialog p { margin: 0; line-height: 1.5; }
.booking-requests-page .request-confirm-dialog-note {
    padding: 12px 14px;
    border: 1px solid #ffd0d4;
    border-radius: 12px;
    background: #fff5f5;
    color: #99515a;
    font-size: 13px;
    line-height: 1.45;
}

@media (max-width: 1060px) {
    .booking-requests-page .request-card { grid-template-columns: 210px minmax(0, 1fr) 225px; gap: 18px; padding-right: 54px; }
    .booking-requests-page .request-meta-grid { grid-template-columns: 1fr 1fr; }
    .booking-requests-page .request-topic { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
    .booking-requests-page .requests-workspace { width: min(100% - 28px, 680px); margin-top: 16px; }
    .booking-requests-page .requests-hero { min-height: 170px; padding: 24px; align-items: flex-start; }
    .booking-requests-page .requests-hero-illustration { right: 8px; bottom: -10px; width: 155px; max-width: 38%; opacity: .5; }
    .booking-requests-page .requests-calendar-link { align-self: flex-end; min-width: auto; margin: auto 0 0; }
    .booking-requests-page .requests-stats { grid-template-columns: 1fr; gap: 10px; }
    .booking-requests-page .requests-stat-card { min-height: 82px; padding: 14px 18px; }
    .booking-requests-page .requests-stat-icon { width: 52px; height: 52px; }
    .booking-requests-page .requests-toolbar { align-items: stretch; flex-direction: column; }
    .booking-requests-page .requests-search { width: 100%; }
    .booking-requests-page .request-card { grid-template-columns: 1fr; gap: 16px; padding: 18px 22px; }
    .booking-requests-page .request-card.lesson-change-request { grid-template-columns: 42px minmax(0, 1fr); padding: 13px; }
    .booking-requests-page .request-person { max-width: 310px; }
    .booking-requests-page .request-actions { grid-template-columns: repeat(3, minmax(0, 1fr)); padding-top: 4px; }
    .booking-requests-page .request-actions form { min-width: 0; }
    .booking-requests-page .request-actions .button { min-height: 42px; font-size: 12px; }
    .booking-requests-page .lesson-change-requests { padding: 18px; }
    .booking-requests-page .lesson-change-request { grid-template-columns: 42px minmax(0, 1fr); }
    .booking-requests-page .lesson-change-request-actions { grid-column: 1 / -1; justify-content: stretch; }
    .booking-requests-page .lesson-change-request-actions .button { width: 100%; justify-content: center; }
}

@media (max-width: 540px) {
    .booking-requests-page .requests-workspace { width: min(100% - 20px, 480px); }
    .booking-requests-page .requests-hero { display: block; min-height: 0; padding: 22px; }
    .booking-requests-page .requests-hero p { max-width: 86%; font-size: 13px; }
    .booking-requests-page .requests-calendar-link { width: fit-content; min-height: 43px; margin-top: 17px; padding: 0 15px; }
    .booking-requests-page .requests-hero-illustration { display: none; }
    .booking-requests-page .requests-filter-tabs { gap: 7px; }
    .booking-requests-page .requests-filter-tab { padding: 0 13px; }
    .booking-requests-page .request-meta-grid { grid-template-columns: 1fr; gap: 12px; }
    .booking-requests-page .request-topic { grid-column: auto; }
    .booking-requests-page .request-actions { grid-template-columns: 1fr; }
    .booking-requests-page .request-actions .button { min-height: 40px; }
    .booking-requests-page .requests-selection-bar { align-items: stretch; flex-direction: column; }
    .booking-requests-page .requests-selection-bar .button { width: 100%; }
    .booking-requests-page .request-proposal-dialog form { padding: 22px; }
    .booking-requests-page .request-proposal-actions { flex-direction: column-reverse; }
    .booking-requests-page .request-proposal-actions .button { width: 100%; justify-content: center; }
}

.calendar-page .gap-chip {
    min-height: 30px;
    padding: 5px 10px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    color: #587a9c;
    background: linear-gradient(180deg, rgba(244, 249, 255, 0.98) 0%, rgba(232, 242, 252, 0.98) 100%);
    border-color: rgba(178, 207, 234, 0.95);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.calendar-page .calendar-empty-state {
    min-height: 250px;
    gap: 10px;
    border-radius: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    color: #9cb2c9;
    font-size: 12px;
    justify-content: center;
    text-align: center;
}

.calendar-page .calendar-empty-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 18px;
    background: radial-gradient(circle at 50% 35%, rgba(255, 255, 255, 0.96) 0%, rgba(243, 248, 255, 0.92) 100%);
    color: #ccd8e6;
}

.calendar-page .calendar-empty-icon img,
.calendar-page .calendar-empty-icon svg {
    width: 28px;
    height: 28px;
    display: block;
}

.calendar-page .calendar-empty-state span {
    display: block;
    max-width: 96px;
    margin: 0 auto;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
}

.calendar-page .status-completed::before,
.calendar-page .status-confirmed::before,
.calendar-page .status-planned::before {
    background: rgba(78, 168, 92, 0.2);
}

.calendar-page .status-confirmed.lesson-chip-lesson,
.calendar-page .status-planned.lesson-chip-lesson {
    background: linear-gradient(180deg, #fcfeff 0%, #eef7ff 100%);
    border-color: rgba(183, 213, 244, 0.96);
}

.calendar-page .status-confirmed.lesson-chip-lesson strong,
.calendar-page .status-planned.lesson-chip-lesson strong {
    color: #2d8a48;
}

.calendar-page .status-confirmed.lesson-chip-lesson .lesson-primary,
.calendar-page .status-planned.lesson-chip-lesson .lesson-primary {
    color: #244869;
}

.calendar-page .status-confirmed.lesson-chip-lesson span:not(.lesson-primary):not(.chip-pill),
.calendar-page .status-planned.lesson-chip-lesson span:not(.lesson-primary):not(.chip-pill) {
    color: #587694;
}

.calendar-page .status-confirmed.lesson-chip-lesson .chip-pill,
.calendar-page .status-planned.lesson-chip-lesson .chip-pill {
    background: linear-gradient(180deg, #f6fbff 0%, #e8f2ff 100%);
    border-color: rgba(185, 210, 238, 0.96);
    color: #5f7fa3;
}

.calendar-page .status-completed.lesson-chip-lesson {
    background: linear-gradient(180deg, #f7fff5 0%, #ddf5d5 100%);
    border-color: rgba(135, 214, 129, 0.98);
    box-shadow:
        0 12px 24px rgba(64, 126, 76, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.62);
}

.calendar-page .status-completed.lesson-chip-lesson strong,
.calendar-page .status-completed.lesson-chip-lesson .lesson-card-corner-icon {
    filter: saturate(1.05);
}

.calendar-page .status-completed.lesson-chip-lesson strong {
    color: #229242;
}

.calendar-page .status-completed.lesson-chip-lesson .lesson-primary {
    color: #1f4e2a;
}

.calendar-page .status-completed.lesson-chip-lesson span:not(.lesson-primary):not(.chip-pill) {
    color: #4f7657;
}

.calendar-page .status-completed.lesson-chip-lesson .chip-pill {
    background: linear-gradient(180deg, #f0ffeb 0%, #dff5d8 100%);
    border-color: rgba(150, 212, 142, 0.96);
    color: #41954f;
}

.calendar-page .status-rescheduled::before {
    background: rgba(123, 141, 173, 0.18);
}

.calendar-page .status-rescheduled.lesson-chip-lesson {
    background: linear-gradient(180deg, #fbfcff 0%, #eef3fb 100%);
    border-color: rgba(190, 204, 227, 0.96);
}

.calendar-page .status-rescheduled.lesson-chip-lesson strong {
    color: #5577a6;
}

.calendar-page .status-rescheduled.lesson-chip-lesson .chip-pill {
    background: linear-gradient(180deg, #f6f8fc 0%, #ebf0f8 100%);
    border-color: rgba(194, 206, 227, 0.96);
    color: #667c9d;
}

.calendar-page .status-late_reschedule_requested::before,
.calendar-page .status-reschedule_requested::before {
    background: rgba(221, 133, 92, 0.2);
}

.calendar-page .status-late_reschedule_requested.lesson-chip-lesson,
.calendar-page .status-reschedule_requested.lesson-chip-lesson {
    background: linear-gradient(180deg, #fffdf9 0%, #fff2e6 100%);
    border-color: rgba(240, 202, 156, 0.96);
}

.calendar-page .status-late_reschedule_requested.lesson-chip-lesson strong,
.calendar-page .status-reschedule_requested.lesson-chip-lesson strong {
    color: #cf7d21;
}

.calendar-page .status-late_reschedule_requested.lesson-chip-lesson .chip-pill,
.calendar-page .status-reschedule_requested.lesson-chip-lesson .chip-pill {
    background: linear-gradient(180deg, #fff8ef 0%, #ffeedb 100%);
    border-color: rgba(237, 197, 145, 0.96);
    color: #c77921;
}

.calendar-page .status-cancelled::before,
.calendar-page .status-cancelled_by_student::before,
.calendar-page .status-cancelled_by_teacher::before {
    background: rgba(216, 94, 94, 0.18);
}

.calendar-page .status-cancelled.lesson-chip-lesson,
.calendar-page .status-cancelled_by_student.lesson-chip-lesson,
.calendar-page .status-cancelled_by_teacher.lesson-chip-lesson {
    background: linear-gradient(180deg, #fffafb 0%, #fff0f3 100%);
    border-color: rgba(239, 188, 195, 0.96);
}

.calendar-page .status-cancelled.lesson-chip-lesson strong,
.calendar-page .status-cancelled_by_student.lesson-chip-lesson strong,
.calendar-page .status-cancelled_by_teacher.lesson-chip-lesson strong {
    color: #d35f73;
}

.calendar-page .status-cancelled.lesson-chip-lesson .lesson-primary,
.calendar-page .status-cancelled_by_student.lesson-chip-lesson .lesson-primary,
.calendar-page .status-cancelled_by_teacher.lesson-chip-lesson .lesson-primary {
    color: #744c59;
}

.calendar-page .status-cancelled.lesson-chip-lesson .chip-pill,
.calendar-page .status-cancelled_by_student.lesson-chip-lesson .chip-pill,
.calendar-page .status-cancelled_by_teacher.lesson-chip-lesson .chip-pill {
    background: linear-gradient(180deg, #fff7f8 0%, #ffe7eb 100%);
    border-color: rgba(235, 182, 191, 0.96);
    color: #c25d70;
}

.calendar-page .teacher-empty-state {
    min-height: 220px;
    border-radius: 22px;
}

@media (max-width: 1200px) {
    .calendar-page .calendar-summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 860px) {
    .calendar-page .teacher-calendar-hero,
    .calendar-page .teacher-calendar-panel {
        padding-left: 16px;
        padding-right: 16px;
    }

    .calendar-page .calendar-summary-grid {
        grid-template-columns: 1fr;
    }

    .calendar-page .week-nav {
        justify-content: flex-start;
    }

    .calendar-page .calendar-week-nav-sticky {
        top: 72px;
        margin: 10px 16px;
    }

    .calendar-page .calendar-week-nav-sticky .week-nav {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .calendar-page .calendar-helper-line {
        align-items: stretch;
    }

    .calendar-page .calendar-helper-open {
        width: 100%;
    }

    .calendar-page .teacher-calendar-grid {
        min-width: 1180px;
    }
}

body.screenshot-mode .topbar,
body.screenshot-mode .message-overlay {
    display: none !important;
}

body.screenshot-mode .page {
    max-width: 1800px;
    padding-top: 18px;
}

.parent-slots-page .page {
    max-width: 1820px;
}

.parent-slots-hero {
    padding-bottom: 18px;
}

.parent-slots-topbar {
    margin-bottom: 0;
    align-items: center;
}

.parent-slots-title {
    display: flex;
    align-items: center;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    color: var(--text);
    text-decoration: none;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 0.01em;
}

.back-link span:first-child {
    font-size: 30px;
    line-height: 1;
    color: #2f4f7d;
}

.parent-slots-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 12px;
}

.parent-slots-intro,
.parent-slots-week-panel,
.parent-slots-footer {
    margin-top: 18px;
}

.parent-slots-intro {
    display: grid;
    grid-template-columns: 96px 1fr;
    gap: 22px;
    align-items: center;
    position: relative;
}

.parent-slots-intro h2 {
    margin: 0;
    font-size: 24px;
}

.parent-slots-intro h1 {
    margin: 0 0 6px;
    font-size: 22px;
}

.parent-slots-intro-compact {
    margin-top: 0;
    padding: 18px 20px;
}

.parent-slots-back-button {
    position: absolute;
    top: 18px;
    right: 20px;
}

.parent-slots-button-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
}

.parent-slots-button-icon-right {
    gap: 10px;
}

.parent-slots-button-icon-wrap {
    width: 16px;
    height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.parent-slots-button-icon-wrap img,
.parent-slots-button-icon-wrap svg {
    width: 16px;
    height: 16px;
    display: block;
}

.parent-slots-intro-icon,
.parent-slots-note-icon {
    width: 88px;
    height: 88px;
    border-radius: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, rgba(245, 250, 255, 0.98) 0%, rgba(234, 243, 251, 0.98) 100%);
    border: 1px solid rgba(201, 223, 252, 0.95);
}

.parent-slots-intro-icon img,
.parent-slots-intro-icon svg,
.parent-slots-note-icon img,
.parent-slots-note-icon svg {
    width: 56px;
    height: 56px;
    display: block;
}

.parent-slots-week-nav {
    display: grid;
    grid-template-columns: minmax(200px, 260px) 1fr minmax(200px, 260px);
    gap: 18px;
    align-items: center;
    margin-bottom: 24px;
}

.parent-slots-week-meta {
    text-align: center;
}

.parent-slots-week-meta-left {
    text-align: left;
    margin-bottom: 18px;
}

.parent-slots-week-meta h2 {
    margin: 0;
    font-size: 24px;
}

.parent-slots-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0;
    border: 1px solid rgba(203, 219, 230, 0.92);
    border-radius: 22px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.52);
}

.parent-day-card {
    min-height: 440px;
    padding: 22px 18px;
    border-right: 1px solid rgba(203, 219, 230, 0.85);
    display: flex;
    flex-direction: column;
}

.parent-day-card:last-child {
    border-right: none;
}

.parent-day-head {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
    text-align: center;
}

.parent-day-head strong {
    font-size: 18px;
}

.parent-day-head span {
    color: var(--muted);
    font-size: 15px;
    font-weight: 700;
}

.parent-day-body,
.parent-slot-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    flex: 1;
}

.parent-slot-pill {
    padding: 14px 16px;
    text-align: center;
    border-radius: 12px;
    font-size: 17px;
    font-weight: 700;
    color: #335123;
    background: linear-gradient(180deg, rgba(232, 248, 221, 0.98) 0%, rgba(221, 242, 206, 0.98) 100%);
    border: 1px solid rgba(190, 222, 167, 0.95);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.parent-slot-choice { cursor: pointer; width: 100%; font: inherit; }
.parent-slot-choice span { display: block; font-size: .78em; font-weight: 600; opacity: 0; max-height: 0; overflow: hidden; transition: .18s ease; }
.parent-slot-choice:hover, .parent-slot-choice:focus-visible { border-color: var(--success, #36a269); transform: translateY(-1px); box-shadow: 0 8px 18px rgba(39, 132, 83, .12); }
.parent-slot-choice:hover span, .parent-slot-choice:focus-visible span { opacity: .85; max-height: 1.4em; margin-top: 3px; }
.public-booking-modal { width: min(680px, calc(100vw - 28px)); max-height: min(88vh, 850px); overflow: auto; }
.public-booking-modal h3 { margin: 4px 0 -2px; font-size: 1rem; }
.public-booking-honeypot { position: absolute !important; left: -10000px !important; opacity: 0 !important; pointer-events: none !important; }
.public-booking-status { max-width: 720px; margin: 48px auto; }
.public-booking-details { display: grid; gap: 8px; margin: 24px 0; padding: 18px; border: 1px solid var(--border-color, #cfe0f2); border-radius: 16px; background: var(--bg-secondary, #f6fbff); }
@media (max-width: 640px) { .public-booking-modal { } .parent-slot-choice span { opacity: .8; max-height: 1.4em; margin-top: 3px; } }

/* Public first-lesson request: compact, readable form without changing its server fields. */
.public-booking-modal { display: flex; flex-direction: column; overflow: hidden; padding: 0; }
.public-booking-modal .modal-head { position: sticky; top: 0; z-index: 2; padding: 24px 28px 18px; margin: 0; background: #fff; border-bottom: 1px solid var(--border-color, #d7e5f4); }
.public-booking-modal .modal-head h2 { margin: 0 42px 6px 0; }
.public-booking-modal .modal-head .page-subtitle { font-weight: 700; color: var(--text-primary, #18324b); }
.public-booking-modal .modal-head::after { content: 'Оставьте контактные данные — преподаватель подтвердит время и свяжется с вами.'; display: block; margin-top: 8px; max-width: 520px; color: var(--text-secondary, #5c7893); font-size: .9rem; }
.public-booking-modal .icon-close { position: absolute; right: 22px; top: 20px; }
.public-booking-modal form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; padding: 18px 28px 22px; overflow-y: auto; }
.public-booking-modal form > h3 { grid-column: 1 / -1; margin: 6px 0 -3px; padding-top: 10px; font-size: 1.05rem; }
.public-booking-modal form > h3:not(:first-of-type) { border-top: 1px solid var(--border-color, #d7e5f4); margin-top: 6px; }
.public-booking-modal form > label { margin: 0; }
.public-booking-modal form > label.full, .public-booking-modal form > .full { grid-column: 1 / -1; }
.public-booking-modal form label:has(input[name="name"])::first-letter { color: inherit; }
.public-booking-modal form label:has(input[name="name"]) { font-weight: 700; }
.public-booking-modal form label:has(input[name="name"])::after { content: 'Обязательное поле'; display: block; margin-top: 4px; color: var(--text-muted, #718aa4); font-weight: 500; font-size: .78rem; }
.public-contact-hint { grid-column: 1 / -1; margin: -8px 0 2px; color: var(--text-secondary, #5c7893); font-size: .86rem; }
.public-booking-modal form > h3:nth-of-type(2) { margin-top: 22px; }
.public-booking-modal form > h3:nth-of-type(3) { margin-top: 8px; }
.public-booking-modal .check { grid-column: 1 / -1; margin-top: 2px; padding: 14px 16px; border: 1px solid #c6ddf4; border-radius: 14px; background: #f3f9ff; font-weight: 600; }
.public-booking-modal .modal-actions { position: sticky; bottom: -22px; grid-column: 1 / -1; display: flex; justify-content: flex-end; gap: 16px; align-items: center; margin: 8px -28px -22px; padding: 16px 28px; background: #fff; border-top: 1px solid var(--border-color, #d7e5f4); }
.public-booking-modal .modal-actions::before { content: 'Преподаватель подтвердит время и свяжется с вами'; margin-right: auto; color: var(--text-secondary, #5c7893); font-size: .88rem; }
.public-booking-modal .modal-actions .button { min-width: 210px; min-height: 46px; }
.public-booking-modal .button:disabled { cursor: not-allowed; opacity: .55; box-shadow: none; }
.public-form-error { grid-column: 1 / -1; margin-top: -4px; color: var(--danger, #c54c4c); font-size: .86rem; font-weight: 650; }
@media (max-width: 640px) {
    .public-booking-modal { width: calc(100vw - 16px); max-height: 96vh; }
    .public-booking-modal .modal-head { padding: 20px 20px 14px; }
    .public-booking-modal form { grid-template-columns: 1fr; padding: 16px 20px 20px; }
    .public-booking-modal .modal-actions { margin: 8px -20px -20px; padding: 14px 20px; display: block; }
    .public-booking-modal .modal-actions::before { display: block; margin: 0 0 10px; }
    .public-booking-modal .modal-actions .button { width: 100%; }
}

.parent-day-empty {
    flex: 1;
    min-height: 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    color: var(--muted);
    text-align: center;
}

.parent-day-empty-icon {
    width: 48px;
    height: 48px;
    opacity: 0.8;
}

.parent-day-empty-icon img,
.parent-day-empty-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

.parent-slots-empty {
    min-height: 280px;
}

.parent-slots-footer {
    display: grid;
    grid-template-columns: 88px 1fr;
    gap: 18px;
    align-items: center;
}

.screenshot-mode .screenshot-hidden {
    display: none !important;
}

@media (max-width: 1260px) {
    .parent-slots-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px;
        border: none;
        background: transparent;
    }

    .parent-day-card {
        min-height: 280px;
        border: 1px solid rgba(203, 219, 230, 0.92);
        border-radius: 22px;
        background: rgba(255, 255, 255, 0.7);
    }
}

@media (max-width: 760px) {
    .parent-slots-intro,
    .parent-slots-footer {
        grid-template-columns: 1fr;
    }

    .parent-slots-week-nav {
        grid-template-columns: 1fr;
    }

    .parent-slots-back-button {
        position: static;
        justify-self: start;
        margin-bottom: 10px;
    }

    .parent-slots-intro-icon,
    .parent-slots-note-icon {
        width: 72px;
        height: 72px;
    }

    .parent-slots-grid {
        grid-template-columns: 1fr;
    }

    .parent-day-card {
        min-height: auto;
    }

    .parent-day-empty {
        min-height: 120px;
    }
}

/* Student cabinet compact polish */
.page:has(.student-hero),
.page:has(.student-finance-hero),
.page:has(.student-settings-hero) {
    max-width: 1720px;
}

.student-hero,
.student-finance-hero,
.student-settings-hero {
    padding: 16px 18px;
}

.student-hero .panel-head h1,
.student-finance-hero .panel-head h1,
.student-settings-hero .panel-head h1 {
    margin-bottom: 4px;
}

.student-summary-card .student-empty-card {
    min-height: 100%;
}

.student-summary-card .student-empty-illustration {
    width: 48px;
    height: 48px;
}

.student-summary-empty-side,
.student-finance-empty {
    min-height: 122px;
    justify-content: center;
}

.student-summary-empty-side .student-empty-illustration,
.student-finance-empty .student-empty-illustration {
    display: inline-flex;
    width: 44px;
    height: 44px;
    margin-bottom: 0;
}

.student-settings-panel,
.student-finance-column {
    padding: 14px;
}

.student-settings-mini-card .student-mini-icon {
    margin: 0;
}

@media (max-width: 1120px) {
    .student-week-empty {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .student-summary-grid,
    .student-dashboard-side,
    .student-finance-layout,
    .student-settings-layout {
        grid-template-columns: 1fr;
    }

    .student-settings-mini-card {
        grid-template-columns: 30px minmax(0, 1fr);
    }

    .student-settings-mini-card strong {
        grid-column: 2;
    }
}

.link-box {
    margin-top: 8px;
    padding: 10px 12px;
    border-radius: 12px;
    background: #f6fbff;
    border: 1px dashed var(--line);
    word-break: break-word;
}

.student-summary-main span {
    color: var(--muted);
    font-size: 15px;
    font-weight: 700;
}

.student-empty-card,
.student-summary-empty,
.student-summary-empty-side {
    min-height: 100px;
    justify-content: center;
    gap: 8px;
}

.student-dashboard-layout {
    display: flex;
    flex-direction: column;
    gap: 14px;
    align-items: start;
    grid-template-columns: minmax(0, 1.6fr) minmax(320px, 0.9fr);
}

.student-dashboard-main,
.student-dashboard-side {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.student-dashboard-side .panel,
.student-dashboard-main .panel {
    padding: 18px;
}

@media (max-width: 1180px) {
    .teacher-summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .student-overview-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .student-overview-card-wide {
        grid-column: span 3;
    }

    .student-dashboard-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 860px) {
    .finance-summary-form {
        grid-template-columns: 1fr;
    }

    .student-overview-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .student-overview-card-wide {
        grid-column: span 2;
    }
}

@media (max-width: 720px) {
    .teacher-hero,
    .student-hero,
    .finance-summary-panel,
    .page-hero {
        padding: 16px;
        border-radius: 20px;
    }

    .teacher-hero-stats,
    .teacher-summary-grid,
    .student-work-grid,
    .student-overview-grid,
    .student-summary-grid {
        grid-template-columns: 1fr;
    }

    .student-overview-card-wide {
        grid-column: auto;
}

    .student-work-card,
    .student-summary-card,
    .student-dashboard-main .panel,
    .student-dashboard-side .panel,
    .finance-column,
    .soft-box,
    .inner-panel,
    .collapsible-card {
        padding: 14px;
    }

    .student-work-facts {
        grid-template-columns: 1fr;
    }

    .student-detail-shortcuts .button,
    .student-work-actions .button {
        width: 100%;
    }

}

/* Student layout final compact pass */
.student-hero .panel-head {
    align-items: center;
    gap: 18px;
}

.student-summary-details {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.student-summary-details strong {
    font-size: 15px;
    line-height: 1.35;
}

.student-settings-hero {
    padding: 20px 22px;
}

.student-settings-hero .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.finance-list .empty-state,
.finance-history-list .empty-state,
.finance-balance-grid .empty-state {
    min-height: 88px;
    padding: 16px 18px;
    align-items: flex-start;
    justify-content: center;
    text-align: left;
}

.finance-empty-state {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.finance-empty-state strong {
    font-size: 17px;
    line-height: 1.3;
}

.finance-empty-state span {
    color: var(--muted);
    line-height: 1.45;
}

@media (max-width: 1180px) {
    .student-summary-grid {
        grid-template-columns: 1fr 1fr;
    }

    .student-dashboard-side {
        grid-template-columns: 1fr;
    }

    .student-weekline {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .student-settings-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 860px) {
    .calendar-grid.student-calendar-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .student-summary-grid {
        grid-template-columns: 1fr;
    }

    .student-settings-hero .hero-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .student-hero .panel-head {
        align-items: flex-start;
    }

    .student-week-panel,
    .student-dashboard-side .panel,
    .student-settings-panel {
        padding: 14px;
    }

    .student-weekline {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
}

    .calendar-grid.student-calendar-grid {
        grid-template-columns: 1fr;
}

.student-timezone-line {
        margin-top: 0;
        font-size: 12px;
        align-items: flex-start;
        padding: 10px 12px;
}
}

/* Student cabinet final visual polish */
.student-hero,
.student-finance-hero,
.student-settings-hero {
    padding: 18px 20px;
}

.student-hero .panel-head,
.student-finance-hero .panel-head,
.student-settings-hero .panel-head {
    align-items: center;
    gap: 14px;
}

.student-hero .page-subtitle,
.student-finance-hero .page-subtitle,
.student-settings-hero .page-subtitle {
    max-width: 760px;
}

.student-vk-note-panel .note {
    font-size: 13px;
    line-height: 1.45;
}

.student-summary-grid.top-section,
.student-week-panel.top-section,
.student-timezone-line.top-section,
.student-dashboard-side.top-section,
.student-settings-layout.top-section,
.student-finance-layout.top-section {
    margin-top: 8px;
}

.student-summary-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    align-items: stretch;
}

.student-summary-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    justify-content: flex-start;
    background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(244,249,253,0.96) 100%);
    border-radius: 24px;

    min-height: 142px;
    padding: 12px 14px;
}

.student-summary-label {
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}

.student-summary-main {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.student-summary-main strong {
    font-size: 22px;
    line-height: 1.1;
}

.student-summary-card-primary > .student-summary-main:not(.student-summary-main-hero),
.student-summary-card-primary > .student-summary-details:not(.student-summary-details-hero),
.student-summary-card-primary > .student-summary-actions:not(.student-summary-actions-hero) {
    display: none;
}

.student-next-lesson-layout {
    display: grid;
    align-items: center;

    grid-template-columns: 96px minmax(0, 1fr);
    gap: 22px;
}

.student-next-lesson-icon {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #d9e6fb;
    background: linear-gradient(180deg, #f7fbff 0%, #edf5ff 100%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);

    width: 96px;
    height: 96px;
    border-radius: 32px;
}

.student-next-lesson-icon::after {
    content: "";
    position: absolute;
    right: 10px;
    bottom: 10px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid #d4e1f7;
    background:
        center / 15px 15px no-repeat url("/static/calendar_svg_icons/clock.svg"),
        linear-gradient(180deg, #ffffff 0%, #eef5ff 100%);
    box-shadow: 0 6px 16px rgba(63, 108, 161, 0.12);
}

.student-next-lesson-icon img {
    display: block;

    width: 58px;
    height: 58px;
}

.student-next-lesson-content {
    display: flex;
    flex-direction: column;
    gap: 14px;
    min-width: 0;
}

.student-summary-card-primary .student-summary-label {
    margin-bottom: 8px;
}

.student-summary-main-hero {
    align-items: flex-start;
}

.student-summary-main-hero strong {
    line-height: 1.15;
    color: #1f3554;

    font-size: 18px;
}

.student-summary-main-hero span {
    font-weight: 800;
    line-height: 1;
    color: #1f3554;
    letter-spacing: -0.03em;

    font-size: 32px;
}

.student-summary-details-hero {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));

    gap: 12px 24px;
}

.student-summary-details-hero span {
    font-weight: 700;
    color: #8a9ab3;

    font-size: 13px;
}

.student-summary-details-hero strong {
    display: block;
    line-height: 1.25;
    color: #1f3554;

    margin-top: 4px;
    font-size: 17px;
}

.student-summary-actions-hero {
    justify-content: flex-start;
}

.student-summary-actions-hero .button {
    min-width: 0;
    width: auto;
    padding-inline: 20px;
}

.student-ui-icon {
    width: 18px;
    height: 18px;
    display: block;
    flex: 0 0 auto;
}

.student-ui-icon-on-accent {
    filter: brightness(0) invert(1);
}

.student-icon-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.student-week-nav-icons {
    align-items: stretch;
}

.student-vk-note-panel {
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.student-vk-note-icon {
    width: 22px;
    height: 22px;
    flex: 0 0 auto;
}

.student-vk-note-text {
    flex: 1 1 auto;
    margin: 0;
}

.student-vk-note-close {
    width: 32px;
    height: 32px;
    flex: 0 0 auto;
}

.student-vk-note-close .student-ui-icon {
    width: 14px;
    height: 14px;
    margin: 0 auto;
}

.student-day-card {
    position: relative;
    padding-bottom: 66px;
    overflow: hidden;
}

/* Keep lesson controls above the decorative landscape at the bottom of a day. */
.student-day-card .day-title,
.student-day-card .day-date,
.student-day-card .lesson-stack {
    position: relative;
    z-index: 1;
    min-width: 0;
}

.student-day-card .lesson-chip,
.student-day-card .student-lesson-actions,
.student-day-card .student-lesson-actions .button {
    min-width: 0;
    max-width: 100%;
}

.student-today-badge {
    display: inline-flex;
    align-items: center;
    margin-left: 8px;
    padding: 2px 9px;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    font-size: 11px;
    font-weight: 800;
    vertical-align: middle;
}

.student-day-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.student-day-landscape {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 58px;
    object-fit: cover;
    pointer-events: none;
    z-index: 0;
}

.student-balance-value.is-positive {
    color: #319258;
}

.student-balance-value.is-negative {
    color: #c34f56;
}

.student-balance-value.is-zero {
    color: #cf8a15;
}

/* Student dashboard: alignment pass (grid/edges/spacing polish, no restructuring) */

.student-week-panel + .student-timezone-line {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    margin-top: 18px;
}

.student-week-nav-icons .button,
.student-week-range-icon {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 44px;
    padding: 0 18px;
}

.student-summary-grid .student-next-lesson-layout {
    flex: 1 1 auto;

    align-items: stretch;
}

.student-summary-grid .student-next-lesson-icon {
    align-self: center;
}

.student-day-card .day-title {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 2px;
}

.student-day-card .day-title,
.student-day-card .day-date {
    margin-bottom: 0;
}

.student-day-card .day-date {
    margin-top: 6px;
    margin-bottom: 12px;
}

/* Student finance page */

.student-finance-icon {
    width: 22px;
    height: 22px;
    display: block;
    flex: 0 0 auto;
}

.student-finance-icon-small {
    width: 16px;
    height: 16px;
}

.student-finance-icon-large {
    width: 30px;
    height: 30px;
}

.student-finance-summary-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.student-finance-summary-card {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 128px;
    padding: 20px 22px;
}

.student-finance-summary-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.student-finance-summary-label {
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
}

.student-finance-summary-value {
    font-size: 32px;
    font-weight: 800;
    line-height: 1;
    color: var(--text);
}

.student-finance-summary-value-date {
    font-size: 20px;
}

.student-finance-main-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    align-items: start;
}

.student-finance-history-panel {
    min-height: 320px;
}

.student-finance-table-wrap {
    width: 100%;
    overflow-x: auto;
}

.student-finance-table {
    width: 100%;
    min-width: 620px;
    border-collapse: separate;
    border-spacing: 0;
}

.student-finance-table th,
.student-finance-table td {
    padding: 14px 12px;
    border-bottom: 1px solid rgba(203, 219, 230, 0.85);
    text-align: left;
    vertical-align: middle;
}

.student-finance-table th {
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
}

.student-finance-table td {
    color: var(--text);
    font-size: 14px;
}

.student-finance-table tbody tr:last-child td {
    border-bottom: none;
}

.student-finance-table td .muted {
    display: block;
    font-size: 12px;
}

.student-finance-op-type {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
}

.student-finance-op-type-charge {
    background: rgba(255, 236, 236, 0.9);
    color: #ae3f46;
}

.student-finance-op-type-payment {
    background: rgba(229, 247, 235, 0.9);
    color: #237247;
}

.student-finance-op-amount {
    font-weight: 800;
}

.student-finance-op-comment {
    color: var(--muted);
}

.student-finance-history-note {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
    color: var(--muted);
    font-size: 13px;
}

.student-finance-empty strong {
    color: var(--text);
    font-size: 17px;
}

.student-finance-side-column {
    display: flex;
    flex-direction: column;
}

.student-finance-info-row {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(203, 219, 230, 0.7);
}

.student-finance-info-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.student-finance-info-row p {
    margin: 4px 0 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.45;
}

.student-finance-status-box {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 18px;
    border-radius: 18px;
}

.student-finance-status-box p {
    margin: 4px 0 0;
    font-size: 14px;
    line-height: 1.4;
}

.student-finance-status-negative {
    background: rgba(255, 236, 236, 0.85);
    color: #ae3f46;
}

.student-finance-status-zero {
    background: rgba(226, 241, 255, 0.85);
    color: #2f6289;
}

.student-finance-status-positive {
    background: rgba(229, 247, 235, 0.85);
    color: #237247;
}

@media (max-width: 1180px) {
    .student-finance-summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .student-finance-main-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .student-finance-summary-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .student-next-lesson-layout {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .student-next-lesson-icon {
        width: 82px;
        height: 82px;
        border-radius: 26px;
    }

    .student-next-lesson-icon img {
        width: 48px;
        height: 48px;
    }

    .student-next-lesson-icon::after {
        width: 24px;
        height: 24px;
        right: 8px;
        bottom: 8px;
        background-size: 13px 13px;
    }

    .student-summary-main-hero span {
        font-size: 26px;
    }

    .student-summary-details-hero {
        grid-template-columns: 1fr;
        gap: 10px;
    }
}

.student-summary-preview,
.student-summary-meta {
    font-size: 13px;
}

.student-empty-card,
.student-summary-empty,
.student-summary-empty-side,
.student-compact-empty,
.student-finance-empty {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
}

.student-empty-illustration,
.student-stat-illustration,
.student-section-illustration,
.student-mini-icon,
.student-inline-icon,
.teacher-card-icon,
.teacher-empty-illustration,
.teacher-badge-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
}

.student-empty-illustration {
    width: 52px;
    height: 52px;
    margin-bottom: 2px;
}

.student-empty-illustration svg,
.student-empty-illustration img,
.student-stat-illustration svg,
.student-stat-illustration img,
.student-section-illustration svg,
.student-section-illustration img,
.student-mini-icon svg,
.student-mini-icon img,
.student-inline-icon svg,
.student-inline-icon img,
.teacher-card-icon svg,
.teacher-card-icon img,
.teacher-empty-illustration svg,
.teacher-empty-illustration img,
.teacher-badge-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

.teacher-card-icon {
    width: 24px;
    height: 24px;
    margin-bottom: 8px;
}

.teacher-badge-icon {
    width: 18px;
    height: 18px;
}

.teacher-empty-illustration {
    width: 52px;
    height: 52px;
    margin-bottom: 6px;
}

.student-stat-illustration {
    width: 44px;
    height: 44px;
    margin-bottom: 4px;
}

.student-section-illustration {
    width: 44px;
    height: 44px;
    margin-bottom: 2px;
}

.student-mini-icon {
    width: 28px;
    height: 28px;
    margin-bottom: 6px;
}

.student-inline-icon {
    width: 18px;
    height: 18px;
    color: #6d86a5;
}

.student-summary-empty,
.student-summary-empty-side {
    min-height: 68px;
    padding: 0;
}

@media (min-width: 1101px) {
    .calendar-grid.student-calendar-grid {
        grid-template-columns: repeat(7, minmax(0, 1fr));
    }
}

.student-calendar-grid .day-card-today {
    border: 2px solid rgba(47, 134, 223, 0.9);
    background: linear-gradient(180deg, rgba(231, 245, 255, 0.98) 0%, rgba(248, 252, 255, 0.98) 100%);
    box-shadow: 0 14px 28px rgba(38, 121, 189, 0.18), inset 0 0 0 3px rgba(255, 255, 255, 0.62);
}

.student-calendar-grid .day-card-today .day-title,
.student-calendar-grid .day-card-today .day-date {
    color: #1765bd;
    font-weight: 900;
}

.student-calendar-grid .day-card-today .student-today-badge {
    padding: 4px 10px;
    background: #1f78ce;
    box-shadow: 0 5px 10px rgba(31, 120, 206, 0.24);
}

.student-week-empty {
    display: grid;
    flex-direction: column;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(251,253,255,0.98) 0%, rgba(244,249,253,0.97) 100%);
    border: 1px solid rgba(203, 219, 230, 0.9);
    margin: 0;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    align-items: center;
}

.student-week-empty-copy {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.student-week-empty-copy strong {
    font-size: 22px;
    line-height: 1.2;
}

.student-week-empty-copy span {
    color: var(--muted);
    line-height: 1.45;
    font-size: 13px;
}

.student-weekline {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 8px;
}

.student-weekline-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 8px 10px;
    border-radius: 14px;
    border: 1px solid rgba(203, 219, 230, 0.88);
    background: rgba(255, 255, 255, 0.88);
    text-align: center;
    align-items: center;
    justify-content: center;
    min-height: 52px;
}

.student-timezone-line {
    margin-top: 0;
    padding: 9px 14px;
    color: var(--muted);
    font-size: 12.5px;
    line-height: 1.4;
    min-height: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(203, 219, 230, 0.78);
    width: 100%;
    margin: 0;
    flex-wrap: wrap;
}

.student-timezone-line::before {
    content: none;
    flex: 0 0 auto;
}

.student-dashboard-side {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
    align-self: start;
    gap: 8px;
}

.student-dashboard-side .panel {
    min-height: 100%;
    padding: 14px;
    display: flex;
    flex-direction: column;
}

.student-dashboard-side .panel .panel-head {
    margin-bottom: 8px;
}

.student-side-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 14px;
    border-radius: 18px;
    border: 1px solid rgba(203, 219, 230, 0.9);
    background: linear-gradient(180deg, rgba(250,253,255,0.96) 0%, rgba(243,249,253,0.96) 100%);
    min-height: 100%;
}

.student-side-title {
    font-size: 16px;
    font-weight: 800;
    line-height: 1.2;
}

.student-side-text {
    font-size: 13px;
    line-height: 1.5;
    margin: 0;
}

.student-settings-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 10px;
    display: grid;
}

.student-settings-column {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.student-settings-panel {
    background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(245,250,254,0.97) 100%);
    padding: 13px;
}

.student-settings-panel .panel-head {
    margin-bottom: 10px;
}

.student-vk-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 10px 11px;
    border-radius: 18px;
    background: rgba(248, 252, 255, 0.9);
    border: 1px solid rgba(203, 219, 230, 0.86);
}

.student-vk-card .actions {
    gap: 7px;
}

.student-vk-card .note {
    font-size: 12.5px;
    line-height: 1.4;
}

.student-vk-card .link-box {
    font-size: 14px;
    line-height: 1.45;
    overflow-wrap: anywhere;
    padding: 10px 12px;
}

.student-reminder-compact {
    gap: 7px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.student-reminder-compact .reminder-option {
    min-height: 38px;
    padding: 8px 11px;
    border-radius: 14px;
}

.student-settings-password .form-grid {
    align-items: end;
    gap: 8px;
}

.student-settings-side-note {
    min-height: 0;
}

.student-settings-mini-list {
    gap: 4px;
    display: flex;
    flex-direction: column;
}

.student-settings-mini-card {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 8px;
    align-items: center;
    padding: 0;
    display: grid;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}

.student-settings-mini-card span {
    display: block;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 6px;
    margin: 0;
}

.student-settings-mini-card strong {
    display: block;
    font-size: 14px;
    line-height: 1.4;
}

.student-finance-hero .hero-stats {
    margin-top: 12px;
    gap: 6px;
}

.student-hero-stat-balance {
    padding: 7px 11px;
    min-width: 0;
}

.student-finance-hero {
    padding: 18px 20px;
}

.student-finance-hero .panel-head {
    margin-bottom: 10px;
}

.student-finance-layout {
    align-items: stretch;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.student-finance-column {
    display: flex;
    flex-direction: column;
    min-height: 330px;
    background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(244,249,253,0.96) 100%);
    padding: 13px;
}

.student-finance-column .panel-head {
    margin-bottom: 6px;
}

.student-finance-column .finance-history-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1 1 auto;
    min-height: 126px;
}

.finance-history-card {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 9px 11px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(203, 219, 230, 0.9);
}

.student-finance-empty {
    flex: 1 1 auto;
    padding: 6px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 96px;
    text-align: center;
    color: var(--muted);
}

.student-finance-empty strong,
.student-summary-empty-side strong,
.student-summary-empty strong {
    line-height: 1.35;
}

.student-dashboard-side .student-empty-illustration {
    display: none;
}

.student-finance-empty .student-empty-illustration,
.student-summary-empty-side .student-empty-illustration,
.student-vk-card .student-section-illustration,
.student-settings-mini-card .student-mini-icon,
.student-hero-stat-balance .student-stat-illustration {
    display: none;
}

@media (max-width: 1180px) {
    .student-hero,
    .student-finance-hero,
    .student-settings-hero {
        padding: 16px 18px;
    }
}

@media (max-width: 860px) {
    .student-summary-card,
    .student-dashboard-side .panel,
    .student-finance-column,
    .student-settings-panel {
        padding: 14px;
    }

    .student-week-empty-copy strong {
        font-size: 20px;
    }

    .student-reminder-compact {
        grid-template-columns: 1fr;
    }

    .student-settings-mini-card {
        grid-template-columns: 1fr;
        gap: 2px;
    }
}

@media (max-width: 720px) {
    .student-summary-grid.top-section,
    .student-week-panel.top-section,
    .student-timezone-line.top-section,
    .student-dashboard-side.top-section,
    .student-settings-layout.top-section,
    .student-finance-layout.top-section {
        margin-top: 10px;
    }

    .student-hero,
    .student-finance-hero,
    .student-settings-hero,
    .student-vk-note-panel,
    .student-timezone-line,
    .student-week-panel,
    .student-dashboard-side .panel,
    .student-settings-panel,
    .student-finance-column {
        padding: 12px;
    }

    .student-summary-card {
        min-height: 0;
        padding: 12px;
}

    .page:has(.student-hero),
    .page:has(.student-finance-hero),
    .page:has(.student-settings-hero) {
        max-width: 100%;
    }

    .student-finance-hero {
        padding: 12px;
    }

    .student-empty-illustration {
        width: 46px;
        height: 46px;
    }

    .student-week-empty {
        padding: 12px;
        gap: 10px;
}
}

/* Final teacher dashboard polish overrides */
.page:has(.teacher-hero),
.page:has(.teacher-settings-hero),
.page:has(.finance-summary-panel) {
    max-width: 1880px;
}

.teacher-settings-hero {
    padding: 24px 26px;
}

.teacher-settings-form {
    margin-top: 14px;
}

.teacher-settings-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(380px, 0.9fr);
    gap: 18px;
    align-items: start;
}

.teacher-settings-column {
    min-width: 0;
}

.teacher-settings-panel {
    padding: 18px;
}

.teacher-settings-main-grid,
.teacher-slot-defaults-grid {
    gap: 12px;
}

.teacher-timezone-hint {
    display: block;
    margin-top: 7px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 500;
    line-height: 1.4;
}

.teacher-settings-checks {
    gap: 8px;
}

.teacher-settings-checks .check {
    min-height: 0;
    padding: 10px 12px;
    border-radius: 14px;
    background: rgba(244, 249, 255, 0.78);
}

.teacher-settings-box {
    padding: 14px 16px;
}

.teacher-settings-box .link-box {
    word-break: break-word;
}

.teacher-settings-note {
    font-size: 14px;
    line-height: 1.55;
}

.teacher-settings-save {
    justify-content: flex-start;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(220px, 1fr));
    gap: 14px;
}

.day-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.92) 0%, rgba(245,250,253,0.92) 100%);
    border: 1px solid rgba(203, 219, 230, 0.95);
    border-radius: 22px;
    padding: 14px;
    min-height: 270px;
    box-shadow: 0 12px 28px rgba(58, 94, 122, 0.08);
}

.lesson-stack {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.finance-summary-panel {
    padding: 22px 24px;
}

.finance-summary-form {
    display: grid;
    align-items: end;
    gap: 12px;
    flex-wrap: wrap;
    grid-template-columns: minmax(220px, 300px) minmax(0, 1fr) auto;
}

.finance-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    gap: 16px;
}

.finance-column {
    min-height: 0;
    min-width: 0;
    padding: 22px;
}

.finance-list {
    display: grid;
    flex-direction: column;
    gap: 12px;
    align-content: start;
    grid-auto-rows: min-content;
    padding: 14px;
    border-radius: 22px;
    background: rgba(224, 241, 255, 0.55);
    min-height: 220px;
}

.finance-balance-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    min-height: 220px;
}

.finance-list .empty-state,
.finance-balance-grid .empty-state,
.finance-history-list .empty-state {
    min-height: 150px;
    padding: 18px 16px;
}

.finance-payment-card {
    display: grid;
    grid-template-columns: 110px minmax(0, 1fr) auto;
    gap: 6px 12px;
    padding: 16px 18px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(203, 219, 230, 0.9);
    width: 100%;
    text-align: left;
    cursor: pointer;
    font: inherit;
    color: inherit;
    box-shadow: 0 10px 20px rgba(58, 94, 122, 0.08);
    transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
    align-items: center;
}

.finance-payment-comment {
    grid-column: 1 / -1;
    color: var(--muted);
    font-size: 14px;
    padding-top: 2px;
}

.teacher-hero .panel-head,
.finance-summary-panel .panel-head {
    align-items: start;
}

.week-nav {
    flex-shrink: 0;
}

@media (max-width: 1380px) {
    .teacher-settings-layout,
    .finance-layout {
        grid-template-columns: 1fr;
}

    .finance-summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .calendar-grid {
        grid-template-columns: repeat(4, minmax(220px, 1fr));
}
}

@media (max-width: 1180px) {
    .student-work-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
}

    .finance-summary-grid,
    .finance-balance-tools,
    .finance-balance-grid {
        grid-template-columns: 1fr;
    }

    .calendar-grid {
        grid-template-columns: repeat(3, minmax(200px, 1fr));
}
}

@media (max-width: 860px) {
    .teacher-settings-hero {
        padding: 18px;
}

    .student-work-grid {
        grid-template-columns: 1fr;
}

    .finance-summary-panel,
    .finance-column {
        padding: 18px;
    }

    .finance-summary-card {
        min-height: 116px;
        padding: 16px;
    }

    .finance-balance-card,
    .finance-payment-card {
        grid-template-columns: 1fr;
        align-items: flex-start;
    }

    .finance-balance-status {
        min-width: 0;
        width: fit-content;
    }

    .calendar-grid {
        grid-template-columns: repeat(2, minmax(180px, 1fr));
}
}

/* Responsive guardrails: preserve desktop layout while preventing accidental overflow. */
.page,
.panel,
.modal-panel,
.form-grid,
.student-workspace,
.finance-layout,
.calendar-page {
    min-width: 0;
}

.button,
.nav a,
.page-subtitle,
.note,
.link-box,
.list-row {
    overflow-wrap: anywhere;
}

.button,
.nav a {
    max-width: 100%;
}

/* Browser zoom can make a desktop viewport behave like a compact laptop. */
@media (max-width: 1180px) {
    .topbar {
        align-items: stretch;
        flex-direction: column;
        gap: 12px;
        padding: 14px 18px;
    }

    .brand {
        font-size: 22px;
    }

    .nav {
        width: 100%;
        flex-wrap: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        padding-bottom: 2px;
        scrollbar-width: thin;
        -webkit-overflow-scrolling: touch;
    }

    .nav a,
    .nav .button,
    .nav form .button {
        flex: 0 0 auto;
        white-space: nowrap;
    }

    .student-workspace-list-mode .student-workspace-master .student-work-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .modal-backdrop {
        align-items: flex-start;
        padding: 12px;
    }

    .modal-panel {
        width: 100%;
        max-height: calc(100dvh - 24px);
        padding: 16px;
        border-radius: 20px;
    }

    .modal-actions,
    .modal-actions-between,
    .actions:not(.nav) {
        flex-wrap: wrap;
    }

    .modal-actions > .button,
    .modal-actions > form,
    .modal-actions-between > .button,
    .modal-actions-between > form {
        flex: 1 1 180px;
    }

    .modal-actions > form .button,
    .modal-actions-between > form .button {
        width: 100%;
    }

    .student-workspace-list-mode .student-workspace-master .student-work-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 420px) {
    .page {
        padding: 8px;
    }

    .topbar {
        padding-inline: 10px;
    }

    .brand-wrap,
    .brand-text,
    .panel-head > * {
        min-width: 0;
    }

    .nav a,
    .nav .button,
    .nav form .button {
        padding: 8px 10px;
        font-size: 12px;
    }
}

/* Login page */
.page:has(.login-page) {
    max-width: none;
    min-height: 100dvh;
    padding: clamp(16px, 2.2vw, 32px);
}

.login-page {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(480px, 1fr);
    min-height: calc(100dvh - clamp(32px, 4.4vw, 64px));
    overflow: hidden;
    border: 1px solid rgba(214, 229, 244, 0.9);
    border-radius: 28px;
    background: rgba(250, 253, 255, 0.88);
    box-shadow: 0 24px 64px rgba(57, 93, 127, 0.14);
}

.login-showcase,
.login-side {
    position: relative;
    min-width: 0;
}

.login-showcase {
    display: flex;
    flex-direction: column;
    padding: clamp(42px, 6vw, 94px) clamp(34px, 8.5vw, 130px) 34px;
    background:
        radial-gradient(circle at -10% 48%, rgba(155, 202, 255, 0.38), transparent 24%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(246, 251, 255, 0.7));
}

.login-brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    color: #132849;
    font-size: clamp(21px, 2vw, 29px);
    font-weight: 800;
    line-height: 1.02;
}

.login-brand-icon,
.login-benefit-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #1971ec;
}

.login-brand-icon {
    width: 78px;
    height: 78px;
}

.login-brand-icon img {
    width: 100%;
    height: 100%;
}

.login-intro {
    margin-top: clamp(70px, 10vh, 150px);
}

.login-intro h1,
.login-card h1 {
    margin: 0;
    color: #14284a;
    font-weight: 800;
    letter-spacing: -0.035em;
}

.login-intro h1 {
    max-width: 600px;
    font-size: clamp(38px, 3.25vw, 58px);
    line-height: 1.08;
}

.login-intro p {
    margin: 20px 0 0;
    max-width: 560px;
    color: #607796;
    font-size: clamp(15px, 1.2vw, 18px);
    line-height: 1.55;
}

.login-benefits {
    display: grid;
    gap: 14px;
    margin-top: 36px;
    max-width: 600px;
}

.login-benefit {
    display: grid;
    grid-template-columns: 58px minmax(0, 1fr);
    align-items: center;
    gap: 16px;
    padding: 15px;
    border: 1px solid rgba(230, 239, 249, 0.92);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.76);
    box-shadow: 0 10px 24px rgba(88, 122, 156, 0.05);
}

.login-benefit-icon {
    width: 58px;
    height: 58px;
    border-radius: 16px;
    background: linear-gradient(180deg, #edf6ff, #dcecff);
}

.login-benefit-icon img {
    width: 29px;
    height: 29px;
}

.login-benefit strong,
.login-benefit small {
    display: block;
}

.login-benefit strong {
    color: #183050;
    font-size: 16px;
}

.login-benefit small {
    margin-top: 5px;
    color: #647b99;
    font-size: 13px;
    line-height: 1.35;
}

.login-decor {
    display: flex;
    align-items: flex-end;
    min-height: 190px;
    margin-top: auto;
    padding-top: 22px;
}
.login-decor img {
    display: block;
    width: min(100%, 560px);
    max-width: 100%;
    height: auto;
    object-fit: contain;
    object-position: left bottom;
}

.login-side {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 42px;
    background:
        radial-gradient(circle at 105% 10%, rgba(202, 225, 255, 0.43), transparent 32%),
        radial-gradient(circle at 35% 100%, rgba(162, 203, 255, 0.4), transparent 32%),
        linear-gradient(180deg, rgba(246, 251, 255, 0.96), rgba(235, 246, 255, 0.92));
}

.login-card {
    width: min(100%, 460px);
    padding: clamp(34px, 4.2vw, 62px) clamp(28px, 3.5vw, 48px);
    border: 1px solid rgba(232, 239, 248, 0.98);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 22px 50px rgba(76, 112, 151, 0.14);
}

.login-card-head {
    margin-bottom: 38px;
    text-align: center;
}

.login-card h1 { font-size: clamp(38px, 3.2vw, 52px); }
.login-card-head p { margin: 12px 0 0; color: #6a7f9e; line-height: 1.5; }

.login-card label {
    display: block;
    margin-top: 20px;
    color: #193050;
    font-size: 16px;
    font-weight: 700;
}

.login-input-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 9px;
    padding: 0 14px;
    border: 1px solid #d5e0ed;
    border-radius: 12px;
    background: #fff;
    color: #6c83a3;
    transition: border-color 160ms ease, box-shadow 160ms ease;
}

.login-input-wrap:focus-within {
    border-color: #6ca8ec;
    box-shadow: 0 0 0 4px rgba(56, 131, 225, 0.12);
}

.login-input-wrap > img,
.login-password-toggle img { width: 22px; height: 22px; }

.login-input-wrap input {
    min-width: 0;
    padding: 15px 0;
    border: 0;
    border-radius: 0;
    box-shadow: none !important;
    background: transparent !important;
}

.login-password-toggle {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    padding: 0;
    border: 0;
    border-radius: 9px;
    background: transparent;
    color: #7187a6;
    cursor: pointer;
}

.login-password-toggle:hover { background: #edf5ff; color: #2679bd; }

.login-submit {
    width: 100%;
    margin-top: 30px;
    padding: 15px;
    border-radius: 10px;
    font-size: 18px;
}

.login-divider {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 12px;
    margin: 38px 0 20px;
}

.login-divider span { height: 1px; background: #dce4ee; }
.login-divider img { width: 36px; height: 36px; padding: 7px; border: 1px solid #dce4ee; border-radius: 50%; color: #6680a2; }

.login-help {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 0;
    color: #687e9d;
    font-size: 14px;
    text-align: center;
}

.login-help img { width: 20px; height: 20px; }

@media (max-width: 980px) {
    .login-page { grid-template-columns: minmax(0, 1.05fr) minmax(390px, 0.95fr); }
    .login-showcase { padding-inline: 42px; }
    .login-intro { margin-top: 68px; }
    .login-brand-icon { width: 58px; height: 58px; }
    .login-benefit { grid-template-columns: 48px minmax(0, 1fr); gap: 12px; padding: 12px; }
    .login-benefit-icon { width: 48px; height: 48px; border-radius: 14px; }
    .login-benefit-icon img { width: 25px; height: 25px; }
    .login-side { padding: 26px; }
    .login-decor { min-height: 145px; }
}

@media (max-width: 720px) {
    .page:has(.login-page) { padding: 12px; }
    .login-page { display: flex; flex-direction: column; min-height: 0; border-radius: 22px; }
    .login-side { order: -1; padding: 24px 16px; }
    .login-card { padding: 32px 22px; }
    .login-showcase { padding: 30px 22px 24px; }
    .login-intro { margin-top: 42px; }
    .login-intro h1 { font-size: clamp(32px, 10vw, 42px); }
    .login-intro p br { display: none; }
    .login-benefits { margin-top: 26px; }
    .login-decor { display: none; }
}

@media (max-width: 400px) {
    .page:has(.login-page) { padding: 6px; }
    .login-side { padding: 12px; }
    .login-card { padding: 28px 18px; }
    .login-card-head { margin-bottom: 28px; }
    .login-card h1 { font-size: 38px; }
}

/* Student dashboard: compact visual polish without changing the layout. */
.student-summary-grid { gap: 14px; }
.student-summary-card {
    min-height: 156px;
    padding: 18px;
    border-color: rgba(205, 223, 239, 0.9);
    box-shadow: 0 10px 24px rgba(65, 103, 142, 0.06);
}
.student-summary-card .student-summary-label {
    color: #1d5fae;
    font-weight: 850;

    margin-bottom: 8px;
    font-size: 16px;
}
.student-next-lesson-layout { grid-template-columns: 72px minmax(0, 1fr); gap: 14px; }
.student-next-lesson-icon { width: 72px; height: 72px; border-radius: 17px; }
.student-next-lesson-icon img { width: 42px; height: 42px; }
.student-summary-main-hero { gap: 4px; }
.student-summary-main-hero strong { font-size: 15px; }
.student-summary-actions-hero { align-items: flex-start; }
.student-week-panel { padding: 16px; }
.student-week-panel .panel-head { margin-bottom: 12px; }
.student-week-panel .page-subtitle { font-size: 13px; }
.student-calendar-grid { gap: 8px; }
.student-calendar-grid .day-card {
    min-height: 226px;
    padding: 11px;
    border-color: rgba(213, 227, 240, 0.9);
}
.student-calendar-grid .empty-day-card { background: rgba(250, 253, 255, 0.78); }
.student-day-empty {
    min-height: 36px;
    padding: 8px 10px;
    border-radius: 999px;
    color: var(--text-secondary);
    font-size: 12px;
    background: rgba(243, 248, 253, 0.9);
}
.student-lesson-actions { display: grid; grid-template-columns: 1fr; gap: 7px; }
.student-lesson-actions .button {
    width: 100%;
    min-height: 36px;
    justify-content: center;
    font-size: 13px;
    font-weight: 800;
    line-height: 1;
    white-space: nowrap;
}
.student-lesson-actions .button:not(.light):not(.danger) {
    background: linear-gradient(180deg, #2d82ca 0%, #1766ab 100%);
    color: var(--text-inverse);
    box-shadow: 0 7px 14px rgba(25, 103, 174, 0.24);
}
.student-lesson-actions .button:not(.light):not(.danger) span {
    color: var(--text-inverse);
}
.student-lesson-actions .button.danger { border-color: rgba(216, 94, 94, 0.75); }
.student-lesson-actions .student-ui-icon { width: 15px; height: 15px; }
.student-join-lesson-button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.student-join-lesson-button .student-ui-icon { flex: 0 0 auto; }
.student-summary-grid .student-next-lesson-layout {
    align-items: center;

    min-height: 92px;
}
.student-summary-grid .student-next-lesson-content {
    height: auto;
    justify-content: center;
}
.student-summary-grid .student-summary-actions-hero {
    margin-top: 0;
}

/* Keep the three dashboard summaries compact and vertically aligned. */
.student-summary-card {
    min-height: 132px;
    padding: 14px 16px;
    gap: 8px;
}
.student-summary-card .student-summary-label {
    margin-bottom: 4px;
    font-size: 14px;
}
.student-summary-grid .student-next-lesson-layout {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 12px;
    min-height: 66px;
}
.student-summary-grid .student-next-lesson-icon {
    width: 58px;
    height: 58px;
    border-radius: 15px;
}
.student-summary-grid .student-next-lesson-icon img {
    width: 34px;
    height: 34px;
}
.student-summary-grid .student-next-lesson-content {
    gap: 4px;

    height: auto;
    justify-content: center;
}
.student-summary-main-hero span {
    font-size: 28px;
}
.student-summary-details-hero {
    gap: 6px 18px;
}
.student-summary-details-hero span {
    font-size: 12px;
}
.student-summary-details-hero strong {
    margin-top: 2px;
    font-size: 14px;
}
.student-summary-actions-hero .button {
    min-height: 34px;
    padding-block: 7px;
}

/* The supplied lesson and balance SVGs already contain their own visual cue. */
.student-summary-grid .student-next-lesson-icon::after {
    display: none;
}

/* Student booking requests */
.student-booking-note { margin-top: 10px; }
.student-booking-requests {
    padding: 18px 20px;
}
.student-booking-requests .panel-head,
.student-booking-week-head {
    margin-bottom: 12px;
}
.student-booking-request-list {
    display: grid;
    gap: 10px;
}
.student-request-selection-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 0 0 12px;
    padding: 9px 12px;
    border: 1px solid #f3c7c9;
    border-radius: 12px;
    background: #fff8f8;
}
.student-booking-request-card {
    display: grid;
    grid-template-columns: 20px minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
    padding: 14px 16px;
    border: 1px solid rgba(194, 216, 237, .94);
    border-radius: 15px;
    background: rgba(249, 252, 255, .9);
}
.student-request-select-control {
    position: relative;
    display: inline-flex;
    flex: 0 0 20px;
    width: 20px;
    height: 20px;
    cursor: pointer;
}
.student-request-select-control input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
}
.student-request-select-control span {
    width: 20px;
    height: 20px;
    border: 1px solid #aac8e6;
    border-radius: 6px;
    background: #fff;
}
.student-request-select-control input:checked + span {
    border-color: #1f78d0;
    background: #1f78d0;
    box-shadow: inset 0 0 0 4px #1f78d0;
}
.student-request-select-control input:checked + span::after {
    content: "✓";
    display: block;
    color: #fff;
    font-size: 15px;
    font-weight: 800;
    line-height: 18px;
    text-align: center;
}
.student-booking-request-card.status-pending { border-color: rgba(209, 183, 91, .78); background: #fffdf4; }
.student-booking-request-card.status-accepted { border-color: rgba(90, 165, 120, .62); background: rgba(243, 252, 245, .94); }
.student-booking-request-card.status-rejected,
.student-booking-request-card.status-conflict { border-color: rgba(210, 132, 132, .54); }
.student-booking-request-main {
    display: grid;
    gap: 4px;
    min-width: 0;
    justify-self: start;
}
.student-booking-request-main > strong { font-size: 15px; }
.student-booking-request-main > span:not(.student-booking-request-status),
.student-booking-request-main small { color: var(--text-secondary); }
.student-booking-request-status {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 3px 8px;
    border-radius: 999px;
    background: rgba(220, 235, 250, .9);
    color: #286ea9;
    font-size: 12px;
    font-weight: 800;
}
.status-pending .student-booking-request-status { background: #fff1bf; color: #846313; }
.status-accepted .student-booking-request-status { background: #dff4e3; color: #277542; }
.status-rejected .student-booking-request-status,
.status-conflict .student-booking-request-status { background: #ffe4e4; color: #a54848; }
.student-booking-request-actions,
.student-booking-request-actions form { display: flex; margin: 0; flex: 0 0 auto; }
.student-request-delete { color: #b9454b; }
.student-booking-requests-empty {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding: 5px 0;
    color: var(--text-secondary);
}
.student-booking-requests-empty strong { color: var(--text-primary); }
.student-booking-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 10px;
}
.student-booking-day {
    min-height: 220px;
    padding: 14px;
    border: 1px solid rgba(201, 222, 244, .9);
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(244,249,254,.94));
}
.student-booking-day.is-empty { background: rgba(249, 252, 255, .78); }
.student-booking-day-title { font-weight: 800; color: var(--text-primary); }
.student-booking-day-date { margin-top: 3px; color: var(--text-secondary); font-size: 13px; font-weight: 700; }
.student-booking-slots { display: grid; gap: 8px; margin-top: 14px; }
.student-booking-slot {
    display: grid;
    gap: 3px;
    width: 100%;
    padding: 10px;
    border: 1px solid rgba(139, 202, 160, .72);
    border-radius: 13px;
    background: linear-gradient(180deg, #f5fff8, #ecf9f1);
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
    transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.student-booking-slot:hover { transform: translateY(-1px); border-color: #56a97a; box-shadow: 0 8px 16px rgba(54, 143, 94, .12); }
.student-booking-slot strong { color: #20814b; font-size: 15px; }
.student-booking-slot span, .student-booking-empty { color: var(--text-secondary); font-size: 12px; }
.student-booking-slot.is-pending { cursor: default; border-color: rgba(205, 190, 122, .72); background: #fffcf1; }
.student-booking-slot.is-pending strong { color: #987016; }
.student-booking-empty { padding: 11px 8px; border: 1px dashed rgba(191, 211, 232, .9); border-radius: 12px; text-align: center; }
.student-booking-modal-card { width: min(620px, calc(100vw - 28px)); }
.student-booking-confirm-modal { width: min(460px, calc(100vw - 28px)); }
.student-booking-confirm-modal .panel-head { align-items: flex-start; gap: 16px; }
.student-booking-confirm-modal h2 { margin: 0; }
.student-booking-confirm-note {
    margin-top: 18px;
    border-color: #f1d4a7;
    background: #fffaf0;
    color: #795c26;
}
.student-booking-confirm-modal .modal-actions { margin-top: 18px; }
.student-booking-modal-card .modal-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}
.student-booking-modal-card .modal-head h2 { margin: 0; }
.student-booking-modal-card .modal-head .icon-close { flex: 0 0 auto; }
.student-booking-reason { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; padding: 0; border: 0; }
.student-booking-reason legend { margin-bottom: 8px; font-weight: 800; }
.student-booking-optional { color: var(--text-secondary); font-size: 12px; font-weight: 650; }
.student-booking-field-hint { grid-column: 1 / -1; margin: -4px 0 0; color: var(--text-secondary); font-size: 13px; }
.student-booking-reason label { display: flex; gap: 8px; align-items: center; padding: 9px 10px; border: 1px solid var(--border-color); border-radius: 12px; font-size: 14px; }
.student-booking-format { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; padding: 0; border: 0; }
.student-booking-format legend { grid-column: 1 / -1; margin-bottom: 0; font-weight: 800; }
.student-booking-format label { display: flex; align-items: flex-start; gap: 10px; min-height: 68px; padding: 12px; border: 1px solid var(--border-color); border-radius: 12px; cursor: pointer; }
.student-booking-format label > span { display: grid; gap: 3px; }
.student-booking-format small { color: var(--text-secondary); font-size: 12px; line-height: 1.35; }
.student-booking-format-radio {
    appearance: none;
    display: block;
    flex: 0 0 18px;
    width: 18px !important;
    min-width: 18px;
    height: 18px !important;
    min-height: 18px;
    margin: 2px 0 0;
    padding: 0 !important;
    border: 2px solid #9ab6d4 !important;
    border-radius: 50% !important;
    background: #fff !important;
    box-shadow: none !important;
}
.student-booking-format-radio:checked { border: 5px solid #267bd1 !important; }
.student-booking-format label:has(input:checked) { border-color: #4a97ed; background: linear-gradient(180deg, #f7fbff, #eaf5ff); box-shadow: 0 5px 13px rgba(61, 129, 206, .12); }
.student-booking-format label:has(input:focus-visible) { outline: 3px solid rgba(74, 151, 237, .22); outline-offset: 2px; }
.booking-requests-list { display: grid; gap: 12px; }
.booking-request-card { display: flex; gap: 22px; align-items: center; justify-content: space-between; padding: 20px; }
.booking-request-card.is-resolved { opacity: .72; }
.booking-request-main { display: grid; gap: 8px; }
.booking-request-main h2 { margin: 0; }
.booking-request-kind { width: max-content; padding: 4px 9px; border-radius: 999px; background: #eaf5ff; color: #246eaf; font-size: .78rem; font-weight: 750; }
.booking-request-status { width: fit-content; padding: 5px 9px; border-radius: 999px; background: #e8f3ff; color: #1967ad; font-size: 12px; font-weight: 800; }
.booking-request-status.status-accepted { background: #e4f6e9; color: #268350; }
.booking-request-status.status-rejected { background: #fff0f0; color: #b74343; }
.booking-request-meta { display: flex; flex-wrap: wrap; gap: 10px; color: var(--text-secondary); }
.booking-request-label { color: var(--text-secondary); margin-right: 6px; }
.booking-request-comment { max-width: 680px; margin: 2px 0 0; padding: 10px 12px; border-radius: 12px; background: rgba(241, 248, 255, .85); }
.booking-request-actions { display: flex; gap: 9px; flex-shrink: 0; }
.booking-request-actions form { margin: 0; }
.booking-requests-empty { padding: 28px; }
@media (max-width: 1100px) {
    .student-booking-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
    .student-booking-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .student-booking-day { min-height: 0; }
    .student-booking-request-card { grid-template-columns: 20px minmax(0, 1fr); align-items: start; }
    .student-booking-request-actions,
    .student-booking-request-actions form,
    .student-booking-request-actions .button { width: 100%; }
    .student-booking-request-actions { grid-column: 1 / -1; }
    .student-request-selection-bar { align-items: stretch; flex-direction: column; }
    .student-request-selection-bar .button { width: 100%; justify-content: center; }
    .student-booking-requests-empty { align-items: flex-start; flex-direction: column; gap: 2px; }
    .booking-request-card { align-items: stretch; flex-direction: column; }
    .booking-request-actions { width: 100%; }
    .booking-request-actions form { flex: 1; }
    .booking-request-actions .button { width: 100%; justify-content: center; }
    .student-booking-reason,
    .student-booking-format { grid-template-columns: 1fr; }
}
@media (max-width: 420px) {
    .student-booking-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
    .student-summary-card { min-height: 0; }
    .student-calendar-grid .day-card { min-height: 192px; }
}
@media (max-width: 720px) {
    .student-next-lesson-layout { grid-template-columns: 58px minmax(0, 1fr); gap: 12px; }
    .student-next-lesson-icon { width: 58px; height: 58px; border-radius: 15px; }
    .student-next-lesson-icon img { width: 34px; height: 34px; }
    .student-calendar-grid .day-card { min-height: 0; }
}

/* Student import wizard */

.import-add-menu {
    position: relative;
}

.import-add-menu > summary {
    list-style: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.import-add-menu > summary::-webkit-details-marker {
    display: none;
}

.import-add-menu-panel {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    z-index: 20;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 240px;
    padding: 8px;
    border-radius: 16px;
    border: 1px solid rgba(203, 219, 230, 0.95);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 18px 40px rgba(40, 73, 98, 0.18);
}

.import-add-menu-item {
    display: block;
    width: 100%;
    padding: 10px 12px;
    border: none;
    border-radius: 12px;
    background: transparent;
    color: var(--text);
    font: inherit;
    font-weight: 600;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
}

.import-add-menu-item:hover {
    background: rgba(215, 235, 251, 0.7);
}

.import-wizard-steps {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.import-wizard-step {
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(226, 242, 255, 0.55);
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.import-wizard-step.is-active {
    background: linear-gradient(180deg, var(--accent) 0%, var(--accent-strong) 100%);
    color: #fff;
}

.import-wizard-step.is-done {
    background: rgba(226, 247, 234, 0.9);
    color: #237247;
}

.import-dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 40px 20px;
    border: 2px dashed rgba(38, 121, 189, 0.35);
    border-radius: 22px;
    background: rgba(244, 249, 255, 0.6);
    text-align: center;
    cursor: pointer;
    transition: border-color 140ms ease, background 140ms ease;
}

.import-dropzone.is-dragover {
    border-color: rgba(38, 121, 189, 0.85);
    background: rgba(226, 242, 255, 0.85);
}

.import-dropzone input[type="file"] {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.import-dropzone-icon {
    font-size: 30px;
    color: var(--accent);
}

.import-mapping-table-wrap,
.import-preview-table-wrap {
    width: 100%;
    overflow-x: auto;
}

.import-mapping-table td,
.import-mapping-table th {
    vertical-align: middle;
}

.import-mapping-table select {
    min-width: 260px;
}

.import-preview-table {
    min-width: 1080px;
}

.import-preview-table td {
    vertical-align: top;
}

.import-row-error {
    background: rgba(255, 236, 236, 0.55);
}

.import-row-warning {
    background: rgba(255, 247, 224, 0.55);
}

.import-row-excluded {
    background: rgba(240, 243, 246, 0.75);
    opacity: 0.68;
}

.import-status-pill {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
}

.import-status-ok {
    background: #e6f7ea;
    color: #237247;
}

.import-status-warning {
    background: #fff3d6;
    color: #9b6a06;
}

.import-status-error {
    background: #fdebec;
    color: #ae3f46;
}

@media (max-width: 720px) {
    .import-add-menu-panel {
        left: 0;
        right: 0;
        min-width: 0;
    }

    .import-dropzone {
        padding: 28px 14px;
    }
}

/* Student bulk selection */

.student-list-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 14px 0 18px;
}

.student-status-filter {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 4px;
    border-radius: 999px;
    background: rgba(226, 236, 248, 0.6);
}

.student-status-filter-pill {
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    white-space: nowrap;
}

.student-status-filter-pill.is-active {
    background: linear-gradient(180deg, var(--accent-primary) 0%, var(--accent-hover) 100%);
    color: var(--text-inverse);
    box-shadow: 0 10px 18px rgba(38, 121, 189, 0.18);
}

.student-bulk-toggle.is-active {
    background: linear-gradient(180deg, var(--accent-primary) 0%, var(--accent-hover) 100%);
    color: var(--text-inverse);
}

.student-work-select-checkbox {
    display: none;
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    width: 22px;
    height: 22px;
    cursor: pointer;
}

.student-work-select-checkbox input {
    width: 20px;
    height: 20px;
    margin: 0;
    cursor: pointer;
}

#student-work-grid.is-bulk-select-mode .student-work-card {
    position: relative;
    padding-left: 46px;
}

#student-work-grid.is-bulk-select-mode .student-work-select-checkbox {
    display: flex;
    align-items: center;
    justify-content: center;
}

.student-bulk-bar {
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    z-index: 40;
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 14px 22px;
    border-radius: 999px;
    background: rgba(24, 42, 66, 0.96);
    color: #fff;
    box-shadow: 0 20px 40px rgba(20, 35, 55, 0.32);
}

.student-bulk-bar-count {
    font-weight: 700;
    white-space: nowrap;
}

.student-bulk-bar-actions {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

@media (max-width: 720px) {
    .student-list-toolbar {
        flex-wrap: wrap;
    }

    .student-bulk-bar {
        left: 12px;
        right: 12px;
        bottom: 12px;
        transform: none;
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Lesson join-link and cabinet-login indicators on student card */

.student-status-indicators {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px 14px;
    margin-top: 2px;
}

.student-join-link-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 700;
    color: #6f87a0;
}

.student-join-link-dot {
    width: 7px;
    height: 7px;
    border-radius: 999px;
    background: #b7c3d3;
    flex: 0 0 auto;
}

.student-join-link-indicator.is-linked {
    color: #237247;
}

.student-join-link-indicator.is-linked .student-join-link-dot {
    background: #2fb05e;
}

.student-join-link-indicator.is-unlinked {
    color: #9b6a06;
}

.student-join-link-indicator.is-unlinked .student-join-link-dot {
    background: #e0a326;
}

/* Calendar page legend */

.calendar-page .calendar-legend-panel {
    padding: 16px 22px;
}

.calendar-page .calendar-legend {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 22px;
}

.calendar-page .calendar-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-size: 13px;
    font-weight: 700;
    color: #475569;
}

.calendar-page .calendar-legend-swatch {
    display: inline-block;
    width: 14px;
    height: 14px;
    border-radius: 4px;
    flex-shrink: 0;
}

.calendar-page .calendar-legend-swatch-planned {
    background: #DBEAFE;
    box-shadow: inset 0 0 0 1px rgba(59, 130, 246, 0.55);
}

.calendar-page .calendar-legend-swatch-completed {
    background: #DCFCE7;
    box-shadow: inset 0 0 0 1px rgba(34, 197, 94, 0.55);
}

.calendar-page .calendar-legend-swatch-cancelled {
    background: #FEE2E2;
    box-shadow: inset 0 0 0 1px rgba(239, 68, 68, 0.55);
}

.calendar-page .calendar-legend-swatch-slot {
    background: #EFF6FF;
    box-shadow: inset 0 0 0 1px rgba(59, 130, 246, 0.35);
}

/* Header: self-contained reference logo (no CSS backdrop needed), constrained width, decorative leaves */

.brand-mark {
    background: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    border: none !important;
}

.brand-mark svg {
    width: 52px;
    height: 52px;
    display: block;
}

.page-decoration-leaf {
    position: fixed;
    pointer-events: none;
    z-index: 0;
}

.page-decoration-leaf-left {
    top: 130px;
    left: 0;
    width: 130px;
    height: 260px;
}

.page-decoration-leaf-right {
    right: 0;
    bottom: 0;
    width: 150px;
    height: 245px;
}

.page-decoration-leaf svg {
    width: 100%;
    height: 100%;
    display: block;
}

@media (max-width: 1200px) {
    .page-decoration-leaf {
        display: none;
    }
}

/* Next-lesson banner: keep decorative illustration clear of the "Открыть урок" button */

.calendar-page .calendar-helper-main {
    max-width: 62%;
}

.calendar-page .calendar-helper-illustration {
    right: 210px;
    width: 190px;
    height: 110px;
    pointer-events: none;
}

@media (max-width: 900px) {
    .calendar-page .calendar-helper-illustration {
        display: none;
    }
}

/* Legend: lives inside the same calendar panel as the week grid, not a separate frame */

.calendar-page .calendar-legend {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid rgba(203, 219, 230, 0.7);
}

/* Students list refresh: content below the shared application header only. */
.page:has(.student-list-panel) {
    max-width: 1540px;
}

.student-hero-panel {
    position: relative;
    overflow: visible;
    z-index: 2;
    min-height: 142px;
    padding: 28px 34px;
    border-color: #d8e6f8;
    background:
        radial-gradient(circle at 85% 22%, rgba(196, 222, 255, .76), transparent 28%),
        linear-gradient(108deg, #fff 0%, #fbfdff 52%, #eaf5ff 100%);
}

.student-hero-head {
    position: relative;
    z-index: 3;
    margin: 0;
}

.student-hero-panel .import-add-menu {
    z-index: 10;
}

.student-hero-head h1 {
    font-size: clamp(34px, 4vw, 48px);
    letter-spacing: -0.045em;
}

.student-hero-head .page-subtitle {
    max-width: 690px;
    font-size: 15px;
}

.student-list-hero-illustration {
    position: absolute;
    right: 230px;
    bottom: -18px;
    width: 200px;
    max-width: 20%;
    opacity: .5;
    pointer-events: none;
}

.student-list-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    margin: 18px 0 20px;
    overflow: hidden;
    border: 1px solid #d8e6f8;
    border-radius: 20px;
    background: #fff;
    box-shadow: 0 8px 22px rgba(47, 91, 143, .045);
}

.student-list-stats .student-metric-card {
    min-height: 98px;
    margin: 0;
    padding: 19px 24px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.student-list-stats .student-metric-card + .student-metric-card {
    border-left: 1px solid #e3eef9;
}

.student-list-stats .student-metric-icon {
    width: 54px;
    height: 54px;
    flex-basis: 54px;
    padding: 14px;
    border-radius: 17px;
}

.student-list-stats .student-metric-icon img {
    width: 100%;
    height: 100%;
    filter: none;
}

.student-list-stats .student-metric-card strong { font-size: 29px; }
.student-list-stats .student-metric-card span { font-size: 12px; }
.student-list-stats .student-metric-card-total .student-metric-icon { background: #eaf3ff; }
.student-list-stats .student-metric-card-active .student-metric-icon { background: #ecfdf3; }
.student-list-stats .student-metric-card-lessons .student-metric-icon { background: #fff8e9; }
.student-list-stats .student-metric-card-archived .student-metric-icon { background: #f3edff; }
.student-list-stats .student-metric-card-lessons strong { color: #d48a13; }
.student-list-stats .student-metric-card-archived strong { color: #8b5cf6; }

.student-list-panel {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
        "title title"
        "search toolbar"
        "cards cards";
    align-items: center;
    gap: 18px 20px;
    padding: 26px 28px 28px;
    border-radius: 24px;
    border-color: #d8e6f8;
}

.student-list-panel .student-workspace-master-head { grid-area: title; }
.student-list-panel .student-workspace-master-head strong { font-size: 19px; }
.student-list-panel .student-search-bar { grid-area: search; width: 100%; margin: 0; grid-template-columns: minmax(0, 1fr) auto; }
.student-list-panel .student-list-toolbar { grid-area: toolbar; margin: 0; justify-self: end; }
.student-list-panel .student-work-grid,
.student-list-panel .empty-state { grid-area: cards; }
.student-list-panel .student-search-input-wrap { min-height: 48px; border-color: #d6e5f7; border-radius: 13px; }
.student-list-panel .student-search-input-wrap input { font-size: 14px; }
.student-list-panel .student-search-icon img { width: 19px; height: 19px; filter: none; }
.student-list-panel .student-search-submit { min-height: 48px; }
.student-list-panel .student-status-filter { padding: 3px; background: #f1f7ff; }
.student-list-panel .student-status-filter-pill { padding: 8px 12px; color: #4f7093; font-size: 12px; }
.student-list-panel .student-status-filter-pill.is-active { background: #e7f2ff; color: #196fcd; box-shadow: none; }

.student-list-panel .student-work-grid { gap: 16px; }
.student-list-panel .student-work-card { gap: 14px; padding: 18px; border-radius: 20px; border-color: #d8e6f8; box-shadow: 0 8px 20px rgba(42, 83, 127, .055); }
.student-list-panel .student-work-card:hover { border-color: #afcff2; box-shadow: 0 13px 28px rgba(42, 101, 161, .10); transform: translateY(-1px); }
.student-list-panel .student-work-avatar { width: 66px; height: 66px; flex-basis: 66px; border-radius: 20px; }
.student-list-panel .student-work-avatar img { width: 38px; height: 38px; }
.student-list-panel .student-work-title-block h3 { font-size: 19px; }
.student-list-panel .student-work-subject-pill { max-width: 100%; }
.student-list-panel .student-work-balance-strip,
.student-list-panel .student-work-next-row { padding: 11px 12px; border-radius: 12px; }
.student-list-panel .student-inline-icon img { width: 17px; height: 17px; filter: none; }
.student-list-panel .student-status-indicators { gap: 6px 14px; padding-top: 2px; }
.student-list-panel .student-join-link-indicator img { width: 15px; height: 15px; }
.student-list-panel .student-work-actions .button { min-height: 42px; border-radius: 11px; }
.student-list-panel .student-open-card-icon img { filter: brightness(0) invert(1); }

@media (max-width: 1160px) {
    .student-list-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .student-list-stats .student-metric-card:nth-child(3) { border-left: 0; border-top: 1px solid #e3eef9; }
    .student-list-stats .student-metric-card:nth-child(4) { border-top: 1px solid #e3eef9; }
    .student-list-panel { grid-template-columns: 1fr; grid-template-areas: "title" "search" "toolbar" "cards"; }
    .student-list-panel .student-list-toolbar { width: 100%; justify-self: stretch; justify-content: space-between; }
}

@media (max-width: 720px) {
    .student-hero-panel { min-height: 0; padding: 22px; }
    .student-list-hero-illustration { display: none; }
    .student-list-stats .student-metric-card { min-height: 82px; padding: 15px; }
    .student-list-stats .student-metric-icon { width: 45px; height: 45px; flex-basis: 45px; padding: 11px; border-radius: 14px; }
    .student-list-stats .student-metric-card strong { font-size: 25px; }
    .student-list-panel { padding: 20px 16px; }
    .student-list-panel .student-search-bar { grid-template-columns: 1fr; }
    .student-list-panel .student-search-actions { justify-content: stretch; }
    .student-list-panel .student-list-toolbar { align-items: stretch; flex-direction: column; }
    .student-list-panel .student-status-filter { justify-content: stretch; overflow-x: auto; }
    .student-list-panel .student-status-filter-pill { flex: 0 0 auto; }
}

/* Student week: keep lesson cards readable when browser zoom reduces the viewport. */
@media (max-width: 1280px) and (min-width: 1001px) {
    .calendar-grid.student-calendar-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (max-width: 1000px) and (min-width: 721px) {
    .calendar-grid.student-calendar-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .calendar-grid.student-calendar-grid {
        grid-template-columns: 1fr;
    }
}

/* Calendar display controls: show lessons and slots independently without changing data. */
.calendar-page .calendar-entry-filters {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 3px 0 1px;
}

.calendar-entry-filters-label {
    color: #66809b;
    font-size: 13px;
    font-weight: 700;
}

.calendar-entry-filter {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 34px;
    padding: 6px 11px;
    border: 1px solid #c9ddf1;
    border-radius: 11px;
    color: #24425f;
    background: #fff;
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
    user-select: none;
}

.calendar-entry-filter:hover {
    border-color: #83b7ed;
    background: #f6fbff;
}

.calendar-entry-filter input {
    width: 16px;
    height: 16px;
    margin: 0;
    accent-color: #2078cf;
}

.teacher-calendar-grid.calendar-filter-lessons-only .slot-chip,
.teacher-calendar-grid.calendar-filter-lessons-only .lesson-chip-event,
.teacher-calendar-grid.calendar-filter-slots-only .lesson-chip-lesson,
.teacher-calendar-grid.calendar-filter-slots-only .lesson-chip-event,
.teacher-calendar-grid.calendar-filter-active .gap-chip {
    display: none;
}

@media (max-width: 720px) {
    .calendar-page .calendar-entry-filters {
        justify-content: flex-start;
        padding-top: 6px;
    }
}