:root {
    --bg: #f5f7fb;
    --panel: #ffffff;
    --panel-alt: #f8fbff;
    --border: #d9e2ef;
    --border-strong: #c7d4e6;
    --text: #122033;
    --muted: #5b6b82;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #475569;
    --danger: #dc2626;
    --shadow-soft: 0 10px 28px rgba(15, 23, 42, 0.06);
    --shadow-button: 0 8px 18px rgba(37, 99, 235, 0.16);
    --radius-lg: 18px;
    --radius-md: 14px;
    --radius-sm: 12px;
}

* {
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
}

body {
    font-family: Arial, sans-serif;
    background: var(--bg);
    margin: 0;
    padding: 0;
    color: var(--text);
    overflow-x: hidden;
}

.container {
    width: min(1440px, calc(100% - 32px));
    margin: 24px auto 34px;
}

.nav {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.nav a {
    text-decoration: none;
    padding: 10px 14px;
    background: rgba(15, 23, 42, 0.95);
    color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.1);
}

.nav a.secondary {
    background: rgba(71, 85, 105, 0.94);
}

.card {
    background: var(--panel);
    border-radius: var(--radius-lg);
    padding: 22px;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(148, 163, 184, 0.18);
    margin-bottom: 18px;
    min-width: 0;
}

.hero-card {
    background: linear-gradient(180deg, #ffffff 0%, #f6f9ff 100%);
}

.hero-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
}

.hero-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

h1, h2, h3 {
    margin-top: 0;
    margin-bottom: 8px;
    overflow-wrap: anywhere;
}

p {
    overflow-wrap: anywhere;
}

label {
    font-weight: 600;
    display: block;
    margin-bottom: 6px;
    color: var(--text);
}

input,
select,
textarea {
    width: 100%;
    max-width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-top: 6px;
    margin-bottom: 14px;
    background: #ffffff;
    color: var(--text);
    min-width: 0;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #60a5fa;
    box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.16);
}

button,
.button-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    font-size: 14px;
    line-height: 1.2;
    box-shadow: var(--shadow-button);
    max-width: 100%;
}

button:hover,
.button-link:hover {
    filter: brightness(1.02);
}

.button-link.secondary,
button.secondary {
    background: linear-gradient(135deg, #64748b 0%, var(--secondary) 100%);
    box-shadow: 0 8px 18px rgba(71, 85, 105, 0.16);
}

button.danger {
    background: linear-gradient(135deg, #ef4444 0%, var(--danger) 100%);
    box-shadow: 0 8px 18px rgba(220, 38, 38, 0.16);
}

button.small,
.button-link.small {
    padding: 8px 12px;
    font-size: 13px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 18px;
}

.admin-top-grid {
    align-items: start;
}

.flash {
    padding: 12px 14px;
    border-radius: 12px;
    margin-bottom: 12px;
    border: 1px solid transparent;
}

.flash.error {
    background: #fee2e2;
    color: #991b1b;
    border-color: #fecaca;
}

.flash.success {
    background: #dcfce7;
    color: #166534;
    border-color: #bbf7d0;
}

.muted {
    color: var(--muted);
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    text-align: left;
    padding: 10px;
    border-bottom: 1px solid #e5e7eb;
    vertical-align: top;
}

.tag {
    display: inline-block;
    background: #e8eef8;
    color: #30445f;
    border-radius: 999px;
    padding: 5px 11px;
    margin: 2px 6px 2px 0;
    font-size: 13px;
    white-space: nowrap;
}

.tag-blue {
    background: #dbeafe;
    color: #1d4ed8;
}

.checkbox-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}

.checkbox-item {
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 10px;
    background: #fafcff;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 400;
}

.checkbox-item input {
    width: auto;
    margin: 0;
}

.form-card {
    max-width: 520px;
    margin: 0 auto;
}

.wide-card {
    max-width: 640px;
}

.wider-card {
    max-width: 760px;
}

.stats {
    margin-top: 16px;
}

.form-row.two-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.form-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.compact-actions {
    justify-content: flex-end;
}

.section-header {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: flex-start;
    margin-bottom: 16px;
}

.section-subtitle {
    margin: 0;
}

.subject-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.subject-card {
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 16px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.subject-card-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 14px;
}

.subject-card-head h3 {
    margin-bottom: 8px;
}

.subject-card-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.subject-card-actions form {
    margin: 0;
}

.subject-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 14px;
}

.metric-box {
    background: #f3f7fd;
    border-radius: 14px;
    padding: 12px;
}

.metric-label {
    display: block;
    font-size: 12px;
    color: #6b7280;
    margin-bottom: 6px;
}

.subject-meta {
    display: flex;
    flex-direction: column;
    gap: 6px;
    color: #4b5563;
    font-size: 13px;
}

.basics-card {
    padding-bottom: 14px;
}

.basics-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(180px, 0.6fr);
    gap: 16px;
}

.lower-grid {
    grid-template-columns: minmax(280px, 1.1fr) minmax(320px, 1.2fr);
}

.builder-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.7fr) minmax(360px, 0.95fr);
    gap: 18px;
    align-items: start;
}

.wide-layout {
    width: 100%;
}

.builder-main,
.builder-sidebar,
.subject-panel-card,
.conditions-panel-card {
    min-width: 0;
}

.sticky-card {
    position: sticky;
    top: 18px;
}

.subject-tools {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    max-width: 100%;
}

.subject-search-input {
    width: min(260px, 100%);
    margin: 0;
}

.selection-summary {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 999px;
    background: #eef5ff;
    color: #25405f;
    font-weight: 600;
    margin-bottom: 16px;
}

.builder-subjects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 14px;
}

.subject-selection-card {
    border: 1px solid rgba(96, 165, 250, 0.16);
    border-radius: 18px;
    padding: 16px;
    background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
    min-width: 0;
}

.subject-selection-top {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    align-items: center;
    margin-bottom: 12px;
}

.subject-checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    font-weight: 600;
}

.subject-checkbox-label input {
    width: auto;
    margin: 0;
}

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

.compact-grid input {
    margin-bottom: 0;
}

.condition-constructor {
    display: grid;
    gap: 12px;
    align-items: end;
    margin-bottom: 18px;
}

.split-constructor {
    grid-template-columns: minmax(0, 1fr) auto;
}

.split-constructor select {
    margin-bottom: 0;
}

.conditions-list {
    display: grid;
    gap: 14px;
}

.condition-card {
    border: 1px solid rgba(148, 163, 184, 0.24);
    border-radius: 18px;
    padding: 16px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    min-width: 0;
}

.condition-card-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 14px;
}

.condition-card-titlebox {
    min-width: 0;
}

.condition-card-title {
    font-weight: 700;
    margin-bottom: 4px;
}

.condition-summary {
    font-size: 13px;
    line-height: 1.45;
    overflow-wrap: anywhere;
}

.condition-card-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
    min-width: 0;
}

.condition-card-actions select {
    margin: 0;
    min-width: 220px;
    max-width: 100%;
}

.condition-builder-panel {
    min-width: 0;
}

.condition-fields-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    min-width: 0;
}

.condition-field {
    min-width: 0;
}

.condition-field-label {
    margin-bottom: 6px;
}

.condition-field .days-selector {
    margin-top: 6px;
}

.condition-field input,
.condition-field select {
    margin-bottom: 0;
}

.days-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    min-width: 0;
}

.day-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid #d1d5db;
    border-radius: 999px;
    padding: 6px 10px;
    background: #ffffff;
    font-weight: 500;
    margin: 0;
}

.day-pill input {
    width: auto;
    margin: 0;
}

.condition-empty {
    padding: 10px 2px 4px;
}

.empty-state-card {
    text-align: center;
}

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

    .sticky-card {
        position: static;
    }
}

@media (max-width: 1080px) {
    .basics-grid,
    .lower-grid,
    .condition-fields-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .container {
        width: min(100% - 20px, 1440px);
        margin-top: 16px;
        margin-bottom: 24px;
    }

    .card {
        padding: 16px;
        border-radius: 16px;
    }

    .form-row.two-columns,
    .subject-metrics,
    .subject-edit-grid,
    .split-constructor,
    .hero-head,
    .section-header,
    .subject-selection-top,
    .subject-card-head,
    .condition-card-head {
        grid-template-columns: 1fr;
        flex-direction: column;
        align-items: flex-start;
    }

    .subject-card-actions,
    .condition-card-actions {
        justify-content: flex-start;
        width: 100%;
    }

    .condition-card-actions select,
    .subject-search-input,
    .split-constructor button,
    .split-constructor > div {
        width: 100%;
    }

    .hero-tags,
    .subject-tools,
    .form-actions {
        width: 100%;
    }

    button,
    .button-link {
        max-width: 100%;
    }
}

.wizard-card {
    padding: 14px 18px;
}

.wizard-header {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.wizard-step {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 14px;
    text-align: left;
    background: #f8fbff;
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: none;
}

.wizard-step small {
    display: block;
    margin-top: 4px;
    color: var(--muted);
}

.wizard-step.is-active {
    border-color: rgba(37, 99, 235, 0.28);
    background: linear-gradient(180deg, #eff6ff 0%, #ffffff 100%);
}

.wizard-step.is-disabled,
.wizard-step:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.wizard-step-index {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.12);
    color: var(--primary-dark);
    font-weight: 700;
    flex-shrink: 0;
}

.wizard-panel {
    display: none;
}

.wizard-panel.is-active {
    display: block;
}

.button-arrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.timetable-stage-card {
    overflow: hidden;
}

.timetable-stage-header {
    margin-bottom: 12px;
}

.timetable-toolbar {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.timetable-board-body {
    --lesson-row-height: 108px;
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 14px;
    align-items: start;
    overflow-x: auto;
    padding-bottom: 4px;
}

.timetable-time-column {
    min-width: 92px;
    padding-top: 14px;
}

.timetable-time-head {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    margin-bottom: 12px;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    background: linear-gradient(180deg, #eff6ff 0%, #ffffff 100%);
    color: var(--primary-dark);
    font-weight: 700;
}

.timetable-time-list {
    display: grid;
    grid-template-rows: repeat(var(--slot-count), var(--lesson-row-height));
    border-radius: 18px;
    background-image: repeating-linear-gradient(
        to bottom,
        rgba(148, 163, 184, 0.35) 0,
        rgba(148, 163, 184, 0.35) 1px,
        transparent 1px,
        transparent var(--lesson-row-height)
    );
}

.timetable-time-cell {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 6px;
    font-size: 13px;
    font-weight: 700;
    color: #475569;
}

.timetable-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(220px, 1fr));
    gap: 14px;
    align-items: start;
}

.timetable-day {
    min-width: 0;
    background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 18px;
    padding: 14px;
}

.timetable-day-head {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    align-items: center;
    margin-bottom: 12px;
    min-height: 48px;
}

.timetable-day-head h3 {
    margin: 0;
}

.day-lessons-list {
    min-height: 180px;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: repeat(var(--slot-count), var(--lesson-row-height));
    padding: 0 4px;
    border-radius: 14px;
    background-image: repeating-linear-gradient(
        to bottom,
        rgba(148, 163, 184, 0.35) 0,
        rgba(148, 163, 184, 0.35) 1px,
        transparent 1px,
        transparent var(--lesson-row-height)
    );
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.day-lessons-list.is-drag-over {
    background-color: rgba(37, 99, 235, 0.06);
}

.day-lessons-list.is-drag-over .lesson-card:not(.dragging) {
    transition-duration: 0.18s;
}


.lesson-card-drag-placeholder {
    grid-column: 1;
    width: 100%;
    box-sizing: border-box;
    border: 2px dashed rgba(37, 99, 235, 0.55);
    border-radius: 16px;
    margin-top: 8px;
    background: rgba(37, 99, 235, 0.08);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.55);
    min-height: 88px;
    transition: min-height 0.16s ease, background-color 0.16s ease, border-color 0.16s ease, opacity 0.16s ease;
}

.day-lessons-list.is-drag-over .lesson-card-drag-placeholder {
    background: rgba(37, 99, 235, 0.12);
    border-color: rgba(37, 99, 235, 0.75);
}

.lesson-card {
    grid-column: 1;
    width: 100%;
    box-sizing: border-box;
    border: 1px solid rgba(37, 99, 235, 0.16);
    border-radius: 16px;
    padding: 10px 13px 12px;
    margin-top: 8px;
    background: #ffffff;
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.08);
    cursor: grab;
    user-select: none;
    align-self: start;
    min-height: 88px;
    will-change: transform;
    transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease, background-color 0.16s ease, opacity 0.16s ease;
}

.lesson-card:active {
    cursor: grabbing;
}

.lesson-card.dragging {
    opacity: 0.35;
    pointer-events: none;
    transform: scale(0.99);
}

.lesson-card-time {
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.03em;
    color: #2563eb;
    margin-bottom: 4px;
}

.lesson-card-slot {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 6px;
}

.lesson-card-name {
    font-weight: 700;
    line-height: 1.35;
}

.lesson-card-room {
    margin-top: 5px;
    font-size: 12px;
    font-weight: 700;
    color: #1d4ed8;
    line-height: 1.25;
}


button.lesson-card-room-edit[type="button"] {
    justify-self: start;
    align-self: start;
    width: auto !important;
    min-width: 0 !important;
    min-height: 22px !important;
    height: 22px;
    margin-top: 4px;
    border: 1px solid rgba(37, 99, 235, 0.18) !important;
    background: rgba(239, 246, 255, 0.86) !important;
    color: #1d4ed8 !important;
    border-radius: 999px;
    padding: 0 7px !important;
    font-size: 10px;
    font-weight: 800;
    line-height: 1;
    box-shadow: none !important;
    cursor: pointer;
}

button.lesson-card-room-edit[type="button"]:hover {
    background: #dbeafe !important;
    border-color: rgba(37, 99, 235, 0.34) !important;
    transform: none !important;
}

.lesson-card.is-room-overridden {
    border-color: rgba(37, 99, 235, 0.34);
}

.room-override-modal {
    max-width: 580px;
}

.room-override-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 18px;
}

.room-override-summary > div {
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 12px;
    background: var(--panel-alt);
}

.room-override-summary strong {
    display: block;
    margin-top: 4px;
}

.room-override-actions {
    align-items: center;
}

@media (max-width: 640px) {
    .room-override-summary {
        grid-template-columns: 1fr;
    }

    .room-override-actions {
        align-items: stretch;
    }

    .room-override-actions button {
        width: 100%;
    }
}

.day-empty {
    margin-top: 8px;
    font-size: 13px;
}

.timetable-empty-state {
    margin: 0;
}

@media (max-width: 1280px) {
    .timetable-grid {
        grid-template-columns: repeat(5, minmax(200px, 1fr));
    }
}

@media (max-width: 1080px) {
    .wizard-header {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .timetable-board-body {
        grid-template-columns: 1fr;
    }

    .timetable-time-column {
        display: none;
    }

    .timetable-grid {
        grid-template-columns: 1fr;
    }

    .timetable-day {
        padding: 12px;
    }
}


.hero-inline-actions {
    margin-top: 14px;
}

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

.summary-metric-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.summary-metric-card strong {
    font-size: 28px;
}

.school-dashboard-layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.95fr);
}

.teacher-cards {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.teacher-card {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.teacher-subjects-block,
.teacher-notes-block {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.multi-select {
    min-height: 210px;
}

.multi-select-hint {
    margin-top: -8px;
}

.school-side-list {
    display: grid;
    gap: 12px;
}

.side-list-item {
    border: 1px solid #e5e7eb;
    border-radius: 14px;
    padding: 14px;
    background: #fafcff;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
}

.compact-meta {
    gap: 4px;
}

.sticky-card-offset {
    top: 360px;
}

.school-selector-row {
    align-items: end;
}

@media (max-width: 980px) {
    .school-summary-grid,
    .school-dashboard-layout {
        grid-template-columns: 1fr;
    }

    .sticky-card,
    .sticky-card-offset {
        position: static;
        top: auto;
    }
}


.lesson-card-teacher {
    margin-top: 6px;
    font-size: 13px;
    color: #475569;
}

.substitution-preview-room,
.version-preview-room {
    display: block;
    margin-top: 3px;
    font-size: 12px;
    font-weight: 700;
    color: #1d4ed8;
}

.lesson-card.is-substitution-updated {
    border-color: #f59e0b;
    box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.18);
    background: #fff8e6;
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    z-index: 90;
}

.modal-card.substitution-modal,
.modal-card.export-modal,
.modal-card.assignment-preview-modal,
.modal-card.room-override-modal,
.modal-card.assignment-edit-modal {
    position: fixed;
    z-index: 91;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(760px, calc(100vw - 32px));
    max-height: calc(100vh - 48px);
    overflow: auto;
    background: #fff;
    border-radius: 18px;
    padding: 24px;
    box-shadow: 0 30px 80px rgba(15, 23, 42, 0.28);
}

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

.icon-button {
    border: none;
    background: transparent;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}

.substitution-checkbox {
    margin-top: 14px;
}

.history-list {
    display: grid;
    gap: 10px;
}

.history-item {
    padding: 12px 14px;
    border-radius: 12px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
}

body.modal-open {
    overflow: hidden;
}

.section-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
    margin-bottom: 18px;
}

.section-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.section-card-link.is-active,
.class-workspace-card.is-active,
.grade-pill.is-active,
.grade-nav-link.is-active,
.workspace-tab.is-active {
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.15), var(--shadow-soft);
}

.section-card-top,
.class-workspace-card-head,
.section-sidebar-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
}

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

.compact-metric-card {
    min-height: 110px;
}

.section-workspace-layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
}

.section-sidebar {
    top: 24px;
}

.section-grade-nav,
.generation-grade-groups,
.generation-preview-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.grade-nav-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.grade-nav-link {
    display: inline-flex;
    align-items: center;
    padding: 9px 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #f8fbff;
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
}

.grade-pill-list,
.generation-class-pills,
.workspace-tabs,
.class-workspace-actions,
.generation-preview-metrics {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.grade-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    text-decoration: none;
    font-size: 13px;
}

.workspace-tab {
    background: #eef5ff;
    color: var(--text);
    box-shadow: none;
}

.workspace-panel { display: none; }
.workspace-panel.is-active { display: block; }

.class-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px;
}

.class-workspace-card {
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 16px;
    background: #fbfdff;
}

.class-workspace-card-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.comparison-table th,
.comparison-table td {
    min-width: 140px;
}

.compare-row-same td {
    background: rgba(220, 252, 231, 0.45);
}

.compare-cell {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.compare-cell.is-highlighted {
    padding: 8px;
    border-radius: 12px;
    border: 1px solid #f59e0b;
    background: #fff7ed;
}

.compare-open-link {
    font-size: 12px;
    text-decoration: none;
}

.generation-controls-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.generation-class-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: #fff;
}

.generation-class-pill input,
.generation-grade-toggle input {
    width: auto;
    margin: 0;
}

.generation-response {
    margin-top: 14px;
}

.generation-preview-card {
    border: 1px solid var(--border);
    background: #f8fbff;
    border-radius: 16px;
    padding: 16px;
}

.generation-preview-item {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid #e5e7eb;
}

.generation-preview-item:last-child {
    border-bottom: none;
}

.timetable-toolbar-spread {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.class-detail-shell {
    margin-top: 18px;
}

@media (max-width: 1100px) {
    .workspace-metrics-grid,
    .generation-controls-grid,
    .section-workspace-layout {
        grid-template-columns: 1fr;
    }
}

.section-generation-setup-card {
    margin-top: 18px;
}

.section-setup-grid {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(280px, 0.9fr);
    gap: 18px;
    align-items: start;
}

.section-setup-main,
.section-setup-side {
    display: grid;
    gap: 16px;
}

.class-input-card,
.setup-side-card,
.generation-grade-setup-card {
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 16px;
    background: #fff;
}

.helper-text {
    margin: 0;
}

.setup-checklist {
    margin: 0;
    padding-left: 18px;
    color: #475569;
    display: grid;
    gap: 8px;
}

.section-grade-builder {
    display: grid;
    gap: 16px;
}

.generation-class-chip-list {
    margin-bottom: 12px;
}

.generation-class-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: 999px;
    padding: 6px 12px;
    background: #f8fafc;
    border: 1px solid #dbe4f0;
}

.danger-link {
    color: #b91c1c;
}

.subject-setup-table input[type="number"] {
    width: 92px;
}

.compact-checkbox span {
    min-width: 12px;
}

.batch-history-list {
    gap: 10px;
}

.batch-history-item {
    justify-content: space-between;
    align-items: center;
}

.generation-preview-grade {
    margin-top: 14px;
}

.generation-preview-grade h4 {
    margin: 0 0 8px;
}

@media (max-width: 1100px) {
    .section-setup-grid {
        grid-template-columns: 1fr;
    }
}


.field-help {
    margin-top: 0.35rem;
    color: #64748b;
    font-size: 0.88rem;
    line-height: 1.4;
}

.generation-subject-editor {
    margin-top: 1rem;
    border-top: 1px solid #e2e8f0;
    padding-top: 1rem;
}

.generation-subject-editor-head h3 {
    margin: 0 0 0.25rem;
    font-size: 1rem;
}

.generation-subject-table-wrap {
    overflow-x: auto;
}

.generation-subject-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.75rem;
}

.generation-subject-table th,
.generation-subject-table td {
    padding: 0.55rem 0.6rem;
    border-bottom: 1px solid #e2e8f0;
    text-align: left;
    vertical-align: middle;
}

.generation-subject-table th {
    font-size: 0.85rem;
    color: #475569;
    background: #f8fafc;
}

.generation-subject-table input[type="number"] {
    width: 100%;
    max-width: 6rem;
}

.container {
    width: min(1800px, calc(100% - 20px));
    margin: 18px auto 30px;
}

#generator-dashboard-root.is-loading {
    opacity: 0.65;
    pointer-events: none;
}

.workspace-metrics-grid {
    grid-template-columns: repeat(4, minmax(180px, 1fr));
    gap: 12px;
}

.compact-metric-card {
    min-height: 86px;
    padding: 16px 18px;
}

.section-workspace-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 14px;
}

.section-sidebar {
    top: 16px;
    padding: 16px;
}

.workspace-tabs-card {
    position: sticky;
    top: 12px;
    z-index: 5;
    padding: 12px 14px;
}

.workspace-tab {
    padding: 10px 14px;
}

.class-card-grid {
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.class-workspace-card {
    padding: 14px;
}

.class-workspace-snapshot {
    display: grid;
    gap: 10px;
}

.class-mini-schedule {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(76px, 1fr));
    gap: 6px;
}

.class-mini-schedule-day {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 6px 8px;
    background: #fff;
    display: grid;
    gap: 3px;
    font-size: 12px;
}

.compare-card,
.generation-workspace-card,
.class-detail-shell,
.workspace-grade-card {
    padding: 16px;
}

.comparison-table th,
.comparison-table td {
    min-width: 120px;
}

.generation-grade-details {
    border: 1px solid var(--border);
    border-radius: 16px;
    background: #fbfdff;
    overflow: hidden;
}

.generation-grade-summary {
    list-style: none;
    cursor: pointer;
    padding: 14px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.generation-grade-summary::-webkit-details-marker {
    display: none;
}

.generation-grade-summary-main {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.generation-grade-summary-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    color: var(--muted);
    font-size: 13px;
}

.generation-grade-summary-hint {
    color: var(--primary);
    font-weight: 700;
    font-size: 13px;
}

.generation-grade-body {
    border-top: 1px solid #e5edf7;
    padding: 14px 16px 16px;
    display: grid;
    gap: 14px;
}

.generation-subject-editor {
    margin-top: 0;
    border-top: 0;
    padding-top: 0;
}

.generation-subject-table input[type='number'] {
    max-width: 88px;
}

.generation-subject-table-wrap {
    max-height: 320px;
}

.generation-response {
    position: sticky;
    bottom: 12px;
}

@media (max-width: 1100px) {
    .container {
        width: min(100%, calc(100% - 12px));
        margin: 12px auto 24px;
    }

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

    .workspace-tabs-card {
        position: static;
    }
}

.section-class-setup-card {
    margin-top: 18px;
}

.section-class-setup-grid {
    align-items: stretch;
}

.section-class-setup-block {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--panel-alt);
}

.section-class-setup-block.is-active {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.10);
}

.section-class-setup-block textarea {
    min-height: 128px;
    resize: vertical;
}

.generator-empty-section-hint {
    margin: 12px 0 0;
}


.grade-checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(56px, 1fr));
    gap: 8px;
    margin-top: 8px;
}

.grade-checkbox-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border: 1px solid var(--border, #d9e2ef);
    border-radius: 10px;
    background: var(--panel-alt, #f8fbff);
    font-size: 14px;
}

.grade-checkbox-item input {
    margin: 0;
}

/* === New shared header and page layout === */
.app-header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(245, 247, 251, 0.94);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.app-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding-top: 18px;
    padding-bottom: 14px;
    margin-top: 0;
}

.app-main {
    padding-top: 24px;
}

.app-brand-block {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.app-brand {
    font-size: 28px;
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.app-brand-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 14px;
}

.app-brand-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.app-header-side {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.school-switcher-form {
    margin: 0;
}

.school-switcher-form select {
    width: min(320px, 100%);
    margin: 0;
    min-width: 220px;
    background: #fff;
}

.app-nav {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    padding-bottom: 18px;
}

.app-nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 11px 16px;
    border-radius: 999px;
    text-decoration: none;
    color: var(--text);
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(148, 163, 184, 0.22);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
    font-weight: 600;
}

.app-nav-link:hover {
    border-color: rgba(37, 99, 235, 0.26);
}

.app-nav-link.is-active {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.12) 0%, rgba(29, 78, 216, 0.08) 100%);
    border-color: rgba(37, 99, 235, 0.28);
    color: #173e96;
}

.app-nav-link.app-nav-link-muted {
    color: var(--secondary);
}

.page-hero-card {
    padding: 26px 28px;
    background: linear-gradient(180deg, #ffffff 0%, #f7faff 100%);
}

.page-hero-head {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: flex-start;
}

.page-eyebrow {
    margin: 0 0 6px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #3662c4;
}

.page-hero-text {
    max-width: 760px;
}

.page-hero-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.empty-state-card {
    text-align: left;
    padding: 30px;
}

.dashboard-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 18px;
}

.compact-dashboard-stat-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.stat-card {
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
}

.stat-card strong {
    font-size: 32px;
    line-height: 1;
}

.school-layout-grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(320px, 0.95fr);
    align-items: start;
}

.page-column-main,
.page-column-side {
    min-width: 0;
}

.section-switcher-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.section-switcher-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    padding: 18px;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    background: #fbfdff;
    text-decoration: none;
    color: var(--text);
}

.section-switcher-card.is-active {
    border-color: rgba(37, 99, 235, 0.32);
    background: linear-gradient(180deg, #ffffff 0%, #f1f7ff 100%);
    box-shadow: 0 12px 28px rgba(37, 99, 235, 0.08);
}

.class-tag-panel {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid #e5e7eb;
}

.class-tag-list,
.tag-cluster {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.simple-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.simple-list-item,
.simple-link-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid #eef2f7;
}

.simple-list-item:last-child,
.simple-link-item:last-child {
    border-bottom: none;
}

.simple-list-item-stack {
    flex-direction: column;
    align-items: flex-start;
}

.simple-link-item {
    text-decoration: none;
    color: var(--text);
}

.compact-list-card {
    padding-bottom: 16px;
}

.split-page-layout {
    display: grid;
    grid-template-columns: minmax(340px, 420px) minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

.split-page-form-column,
.split-page-list-column {
    min-width: 0;
}

.page-form-card {
    top: 122px;
}

.entity-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 16px;
}

.entity-card {
    margin-bottom: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.entity-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 14px;
}

.entity-card-top-wrap {
    flex-wrap: wrap;
}

.entity-card-section {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.entity-meta-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.entity-meta-grid > div {
    padding: 14px;
    border-radius: 14px;
    background: #f8fbff;
    border: 1px solid rgba(148, 163, 184, 0.16);
}

.list-header-gap {
    margin-bottom: 12px;
}

.grade-chip-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(72px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.grade-chip {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    background: #fbfdff;
    cursor: pointer;
    overflow: hidden;
}

.grade-chip input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    margin: 0;
    cursor: pointer;
}

.grade-chip span {
    font-weight: 700;
}

.grade-chip input:checked + span {
    color: #1d4ed8;
}

.grade-chip:has(input:checked) {
    border-color: rgba(37, 99, 235, 0.34);
    background: #eff6ff;
}

.timetable-group-card {
    margin-bottom: 18px;
}

.timetable-card {
    background: linear-gradient(180deg, #ffffff 0%, #fbfcff 100%);
}

.danger-zone-card {
    border-color: rgba(239, 68, 68, 0.22);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 980px) {
    .split-page-layout,
    .school-layout-grid {
        grid-template-columns: 1fr;
    }

    .page-form-card {
        top: 0;
    }
}

@media (max-width: 760px) {
    .container {
        width: min(100% - 20px, 1440px);
        margin-top: 18px;
    }

    .app-header-inner,
    .page-hero-head,
    .entity-card-top,
    .simple-list-item,
    .simple-link-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .app-brand {
        font-size: 24px;
    }

    .school-switcher-form select {
        min-width: 0;
        width: 100%;
    }

    .entity-meta-grid {
        grid-template-columns: 1fr;
    }
}

.generator-page-root,
#timetables-page-root {
    display: block;
}

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

.generator-hero-side {
    min-width: 280px;
}

.compact-section-card-grid {
    margin-bottom: 18px;
}

.generator-split-layout {
    display: grid;
    grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
    gap: 18px;
    align-items: start;
    margin-bottom: 18px;
}

.generator-section-summary-card,
.generator-class-picker-card,
.recent-batches-card,
.timetables-sidebar,
.timetables-main-column > .card {
    min-width: 0;
}

.generator-mode-block {
    margin-top: 16px;
}

.generator-mode-help {
    margin: 8px 0 0;
}

.generator-inline-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 18px;
}

.generator-class-toolbar {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.generator-class-checklist,
.compare-class-checklist {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}

.generation-class-tile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.generation-class-tile input {
    width: auto;
    margin: 0;
    flex: 0 0 auto;
}

.generation-class-main {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.generator-submit-row {
    margin-top: 16px;
}

.generation-response {
    margin-top: 14px;
}

.compact-entity-card .entity-card-section p {
    margin: 0;
}

.inline-stat-card {
    padding: 16px;
}

.timetables-workspace-layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
}

.timetables-main-column {
    display: grid;
    gap: 18px;
    min-width: 0;
}

.timetable-class-nav {
    display: grid;
    gap: 10px;
}

.timetable-class-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border: 1px solid #e5e7eb;
    border-radius: 14px;
    text-decoration: none;
    color: inherit;
    background: #fff;
}

.timetable-class-link.is-active {
    border-color: #93c5fd;
    background: #eff6ff;
    box-shadow: inset 0 0 0 1px #bfdbfe;
}

.timetable-class-main {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.compare-card-standalone {
    margin-top: 0;
}

.compare-selection-form {
    display: grid;
    gap: 16px;
    margin-bottom: 16px;
}

.compare-class-tile {
    align-items: flex-start;
}

.generation-preview-card,
.compact-empty-state {
    margin-top: 0;
}

@media (max-width: 1080px) {
    .generator-split-layout,
    .timetables-workspace-layout {
        grid-template-columns: 1fr;
    }

    .timetables-sidebar {
        position: static;
        top: auto;
    }
}

.app-nav-dev {
    margin-top: 10px;
}

.dev-school-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 18px;
}

.dev-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 10px;
    margin-top: 14px;
}

.dev-meta-item {
    background: #f8fbff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 10px 12px;
}

.dev-meta-item strong {
    display: block;
    margin-bottom: 4px;
}

.dev-section-card {
    margin-bottom: 16px;
}

.dev-section-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    cursor: pointer;
    list-style: none;
}

.dev-section-summary::-webkit-details-marker {
    display: none;
}

.dev-section-summary-main {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.dev-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 12px;
    margin-bottom: 12px;
}

.dev-json-box {
    position: relative;
    background: #0f172a;
    color: #e2e8f0;
    border-radius: 14px;
    border: 1px solid #1e293b;
    padding: 16px;
    overflow: auto;
    max-height: 560px;
}

.dev-json-box pre {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 13px;
    line-height: 1.5;
}

.dev-anchor-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.dev-anchor-list a {
    text-decoration: none;
}


.dev-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 18px;
}

.dev-card,
.dev-panel {
    background: var(--panel);
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    padding: 18px;
}

.dev-card-head,
.dev-panel-header,
.page-header,
.page-actions,
.dev-panel-actions {
    display: flex;
    gap: 12px;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
}

.page-section {
    display: grid;
    gap: 18px;
}

.page-subtitle {
    color: var(--muted);
}

.dev-card-meta,
.dev-sidebar-list {
    display: grid;
    gap: 8px;
}

.dev-meta-row,
.dev-sidebar-link {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
}

.dev-sidebar-link {
    text-decoration: none;
    color: var(--text);
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fafcff;
}

.dev-layout {
    display: grid;
    grid-template-columns: minmax(240px, 280px) minmax(0, 1fr);
    gap: 18px;
    align-items: start;
}

.dev-sidebar {
    position: sticky;
    top: 18px;
}

.dev-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    padding: 4px 10px;
    border-radius: 999px;
    background: #e8eef8;
    color: #30445f;
    font-size: 12px;
    font-weight: 700;
}

.dev-json {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: anywhere;
    background: #0f172a;
    color: #e2e8f0;
    border-radius: 14px;
    padding: 16px;
    max-height: 560px;
    overflow: auto;
}

@media (max-width: 960px) {
    .dev-layout {
        grid-template-columns: 1fr;
    }

    .dev-sidebar {
        position: static;
    }
}


.generator-page-root.is-generation-locked {
  position: relative;
}

.generator-ui-locked {
  overflow: hidden;
}

.generator-page-root.is-generation-locked > *:not(.generator-loading-overlay) {
  pointer-events: none;
  user-select: none;
}

.generator-loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.generator-loading-overlay[hidden] {
  display: none;
}

.generator-loading-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.52);
  animation: generatorLoadingBackdrop 0.24s ease;
}

.generator-loading-card {
  position: relative;
  z-index: 1;
  width: min(420px, 100%);
  min-height: 260px;
  border-radius: 24px;
  padding: 28px 24px;
  background: #ffffff;
  border: 1px solid rgba(148, 163, 184, 0.24);
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.18);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  text-align: center;
  overflow: hidden;
  animation: generatorLoadingCardIn 0.28s ease;
}

.generator-loading-accent {
  position: absolute;
  top: 0;
  left: 16px;
  right: 16px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(59, 130, 246, 0.22), rgba(14, 165, 233, 0.45), rgba(59, 130, 246, 0.22));
}

/* HTML: <div class="loader"></div> */
.loader {
  width: 60px;
  aspect-ratio: 1;
  --g: conic-gradient(from -90deg at 10px 10px,#2563eb 90deg,#0000 0);
  background: var(--g), var(--g), var(--g);
  background-size: 50% 50%;
  animation: l16 1s infinite;
}

@keyframes l16 {
   0%   {background-position:0 0,10px 10px,20px 20px}
   50%  {background-position:0 20px,10px 10px,20px 0}
   100% {background-position:20px 20px,10px 10px,0 0}
}

.generator-loading-copy {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
}

.generator-loading-eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  font-weight: 700;
  color: #2563eb;
}

.generator-loading-copy h3 {
  margin: 0;
}

.generator-loading-text {
  margin: 0;
  min-height: 24px;
  font-size: 16px;
  color: #334155;
}

.generator-loading-text.is-text-swapping {
  animation: generatorLoadingTextSwap 0.3s ease;
}

.generator-loading-dots {
  display: inline-flex;
  justify-content: center;
  gap: 8px;
}

.generator-loading-dots span {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #3b82f6;
  animation: generatorLoadingDotBounce 1.4s infinite ease-in-out;
}

.generator-loading-dots span:nth-child(2) { animation-delay: 0.15s; }
.generator-loading-dots span:nth-child(3) { animation-delay: 0.3s; }

.is-disabled-link {
  opacity: 0.55;
}

@keyframes generatorLoadingBackdrop {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes generatorLoadingCardIn {
  from { opacity: 0; transform: translateY(16px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes generatorLoadingGlow {
  0%, 100% { transform: translateY(0); opacity: 0.65; }
  50% { transform: translateY(-8px); opacity: 1; }
}

@keyframes generatorLoadingSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes generatorLoadingDotBounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.45; }
  40% { transform: scale(1); opacity: 1; }
}

@keyframes generatorLoadingTextPulse {
  0%, 100% { opacity: 0.75; }
  50% { opacity: 1; }
}


@media (prefers-reduced-motion: reduce) {
  .loader,
  .generator-loading-dots span,
  .generator-loading-text.is-text-swapping,
  .generator-loading-backdrop,
  .generator-loading-card {
    animation: none !important;
  }
}


.teacher-selection-chip-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 10px;
}

.teacher-grade-chip-grid {
    grid-template-columns: repeat(auto-fit, minmax(72px, 1fr));
    gap: 8px;
}

.selection-chip-grid {
    display: grid;
    margin-top: 8px;
}

.selection-chip {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 11px 12px;
    border: 1px solid #d9e2ef;
    border-radius: 12px;
    background: #fafcff;
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.selection-chip:hover {
    border-color: #b9c7da;
    background: #f4f8ff;
}

.selection-chip input {
    width: auto;
    margin: 2px 0 0;
    flex: 0 0 auto;
}

.selection-chip-body {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.selection-chip-title {
    font-size: 14px;
    font-weight: 600;
    color: #0f172a;
    line-height: 1.3;
}

.selection-chip-meta {
    font-size: 12px;
    color: #64748b;
    line-height: 1.3;
}

.selection-chip:has(input:checked) {
    border-color: #3b82f6;
    background: #eff6ff;
    box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.08);
}

.selection-chip-compact {
    justify-content: center;
    align-items: center;
    padding: 10px 12px;
}

.selection-chip-compact .selection-chip-title {
    font-size: 15px;
}

@media (max-width: 640px) {
    .teacher-selection-chip-grid,
    .teacher-grade-chip-grid {
        grid-template-columns: 1fr;
    }
}


/* Step 2: teacher availability and substitution workflow UI */
.tag-amber {
    background: #fef3c7;
    color: #92400e;
}

.compact-help-text {
    margin: 4px 0 0;
    font-size: 13px;
    line-height: 1.45;
}

.availability-form-card,
.substitution-step-card,
.substitution-preview-panel {
    border: 1px solid #dbe3ef;
    border-radius: 16px;
    background:
        linear-gradient(135deg, rgba(248, 250, 252, 0.96), rgba(255, 255, 255, 0.98));
    padding: 16px;
}

.availability-card-head,
.substitution-preview-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}

.availability-mini-badge {
    flex: 0 0 auto;
    border-radius: 999px;
    background: #eef2ff;
    color: #3730a3;
    padding: 5px 10px;
    font-size: 12px;
    font-weight: 700;
}

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

.availability-mode-option {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 12px;
    border: 1px solid #d9e2ef;
    border-radius: 14px;
    background: #fff;
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.availability-mode-option:hover {
    border-color: #b8c7dc;
    background: #f8fbff;
}

.availability-mode-option input {
    width: auto;
    margin: 3px 0 0;
}

.availability-mode-option span {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.availability-mode-option strong {
    color: #0f172a;
    font-size: 14px;
}

.availability-mode-option small,
.substitution-checkbox small {
    display: block;
    color: #64748b;
    font-size: 12px;
    line-height: 1.35;
    margin-top: 2px;
}

.availability-mode-option:has(input:checked) {
    border-color: #3b82f6;
    background: #eff6ff;
    box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.08);
}

.availability-window-panel,
.substitution-time-window {
    margin-top: 12px;
    display: grid;
    gap: 12px;
}

.availability-window-panel.is-disabled,
.substitution-time-window.is-disabled {
    opacity: 0.48;
}

.availability-day-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.day-pill {
    cursor: pointer;
}

.day-pill input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.day-pill span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    padding: 8px 12px;
    border: 1px solid #d9e2ef;
    border-radius: 999px;
    background: #fff;
    color: #334155;
    font-size: 13px;
    font-weight: 700;
}

.day-pill input:checked + span {
    background: #2563eb;
    color: #fff;
    border-color: #2563eb;
}

.availability-preview-note {
    border-radius: 12px;
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    padding: 10px 12px;
    color: #475569;
    font-size: 13px;
    line-height: 1.45;
}

.teacher-availability-summary .availability-summary-line {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.substitution-workflow-form {
    display: grid;
    gap: 14px;
}

.substitution-step-card {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 12px;
    align-items: start;
}

.substitution-step-marker {
    width: 34px;
    height: 34px;
    border-radius: 12px;
    background: #2563eb;
    color: #fff;
    display: grid;
    place-items: center;
    font-weight: 800;
    box-shadow: 0 8px 18px rgba(37, 99, 235, 0.22);
}

.substitution-step-content h4,
.substitution-preview-panel h4 {
    margin: 0;
    color: #0f172a;
}

.substitution-step-content .form-row {
    margin-top: 12px;
}

.selected-substitute-availability {
    margin-top: 12px;
    border-radius: 14px;
    background: #f0f9ff;
    border: 1px solid #bae6fd;
    padding: 10px 12px;
    display: grid;
    gap: 3px;
}

.substitution-options-grid {
    display: grid;
    gap: 10px;
    margin-top: 12px;
}

.substitution-checkbox {
    align-items: flex-start;
    border: 1px solid #d9e2ef;
    border-radius: 14px;
    background: #fff;
    padding: 12px;
    margin-top: 0;
}

.substitution-checkbox input {
    margin-top: 3px;
}

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

.preview-summary-grid > div {
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    background: #fff;
    padding: 12px;
}

.preview-summary-grid strong {
    display: block;
    margin-top: 4px;
}

.preview-summary-grid p {
    margin: 4px 0 0;
    font-size: 13px;
}

.preview-timeline-strip {
    margin-top: 12px;
    display: grid;
    grid-template-columns: auto 1fr auto 1fr auto 1fr auto 1fr auto;
    gap: 8px;
    align-items: center;
    color: #64748b;
    font-size: 12px;
    font-weight: 700;
}

.preview-timeline-strip i {
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, #bfdbfe, #fde68a);
}

.substitution-modal-actions {
    justify-content: flex-end;
}

@media (max-width: 760px) {
    .availability-mode-grid,
    .preview-summary-grid {
        grid-template-columns: 1fr;
    }

    .substitution-step-card {
        grid-template-columns: 1fr;
    }

    .substitution-step-marker {
        width: 30px;
        height: 30px;
        border-radius: 10px;
    }

    .preview-timeline-strip {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .preview-timeline-strip i {
        display: none;
    }
}

.substitution-before-after {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 14px;
}

.substitution-before-after h5 {
    margin: 0 0 8px;
    color: #0f172a;
}

.substitution-preview-table {
    width: 100%;
    border-collapse: collapse;
    overflow: hidden;
    border-radius: 14px;
    border: 1px solid #e2e8f0;
    background: #ffffff;
    font-size: 0.9rem;
}

.substitution-preview-table th,
.substitution-preview-table td {
    padding: 9px 10px;
    border-bottom: 1px solid #e2e8f0;
    text-align: left;
    vertical-align: top;
}

.substitution-preview-table th {
    background: #f8fafc;
    color: #475569;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.substitution-preview-table tr:last-child td {
    border-bottom: 0;
}

.substitution-preview-table tr.is-preview-changed td {
    background: #fff7ed;
    box-shadow: inset 3px 0 0 #f97316;
}

.substitution-preview-error {
    margin-top: 12px;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid #fecdd3;
    background: #fff1f2;
    color: #9f1239;
    font-weight: 700;
}

@media (max-width: 860px) {
    .substitution-before-after {
        grid-template-columns: 1fr;
    }
}


.export-modal {
    width: min(840px, calc(100vw - 32px));
}

.export-mode-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin: 18px 0;
}

.export-mode-card {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 14px;
    border: 1px solid #d8dee8;
    border-radius: 14px;
    background: #f8fafc;
    cursor: pointer;
}

.export-mode-card:has(input:checked) {
    border-color: #4f81bd;
    box-shadow: 0 0 0 3px rgba(79, 129, 189, 0.14);
    background: #eef6ff;
}

.export-mode-card strong {
    display: block;
    color: #0f172a;
    margin-bottom: 4px;
}

.export-mode-card small {
    display: block;
    color: #64748b;
    line-height: 1.35;
}

.export-calendar-options {
    margin-top: 14px;
    padding: 16px;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    background: #ffffff;
}

.export-list-checkbox {
    margin-top: 14px;
}

.export-modal-note {
    display: flex;
    gap: 8px;
    margin-top: 14px;
    padding: 12px;
    border-radius: 12px;
    background: #f8fafc;
    color: #475569;
    font-size: 13px;
}

@media (max-width: 760px) {
    .export-mode-grid {
        grid-template-columns: 1fr;
    }

    .export-modal-note {
        display: block;
    }
}

.soft-divider {
    border: 0;
    border-top: 1px solid #e5e7eb;
    margin: 18px 0;
}

.simple-link-item-flex {
    width: 100%;
    padding: 0;
    border-bottom: none;
}

.timetable-class-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
}

.timetable-class-row.is-active .timetable-class-link {
    border-color: #93c5fd;
    background: #eff6ff;
    box-shadow: inset 0 0 0 1px #bfdbfe;
}

.timetable-class-delete {
    white-space: nowrap;
}

@media (max-width: 720px) {
    .timetable-class-row {
        grid-template-columns: 1fr;
    }
}

.teacher-assignment-panel {
    margin: 18px 0;
    padding: 18px;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.86);
}

.assignment-rules-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin: 14px 0;
}

.assignment-rules-grid > div {
    padding: 12px;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 14px;
    background: #f8fafc;
}

.assignment-rules-grid strong,
.assignment-rules-grid span {
    display: block;
}

.assignment-rules-grid span {
    margin-top: 4px;
    color: #64748b;
    font-size: 0.88rem;
}

.teacher-assignment-table {
    width: 100%;
    border-collapse: collapse;
}

.teacher-assignment-table th,
.teacher-assignment-table td {
    padding: 10px;
    border-bottom: 1px solid var(--border-color, #e5e7eb);
    vertical-align: top;
    text-align: left;
}

.teacher-assignment-table th {
    color: #475569;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: #f8fafc;
}

.assignment-row.is-active-class td {
    background: rgba(219, 234, 254, 0.26);
}

.assignment-row.is-conflicting td {
    background: rgba(254, 226, 226, 0.42);
}

.assignment-teacher-select {
    min-width: 190px;
}

.assignment-conflict-text {
    max-width: 280px;
    margin-top: 6px;
    color: #b91c1c;
    font-size: 0.82rem;
    line-height: 1.35;
}

.assignment-row-actions {
    flex-wrap: nowrap;
}

.tag-red {
    background: #fee2e2;
    color: #991b1b;
    border-color: #fecaca;
}

.assignment-preview-modal {
    max-width: 1180px;
    width: min(1180px, calc(100vw - 32px));
}

.assignment-affected-list ul {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0;
    margin: 12px 0;
    list-style: none;
}

.assignment-affected-list li {
    display: flex;
    gap: 8px;
    align-items: center;
    padding: 8px 10px;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 999px;
    background: #f8fafc;
    font-size: 0.86rem;
}

.assignment-before-after {
    max-height: 58vh;
    overflow: auto;
}

.assignment-preview-day-block {
    margin-bottom: 14px;
}

.assignment-preview-day-block h5 {
    margin: 8px 0;
    color: #334155;
}

@media (max-width: 960px) {
    .assignment-rules-grid {
        grid-template-columns: 1fr;
    }

    .teacher-assignment-table-wrap {
        overflow-x: auto;
    }
}

/* Compact teacher replacement modal */
.teacher-replacement-modal {
    width: min(880px, calc(100vw - 32px));
}

.teacher-replacement-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin: 0 0 16px;
    padding: 4px;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    background: #f8fafc;
}

.teacher-replacement-tab {
    border: 0;
    border-radius: 10px;
    padding: 10px 12px;
    background: transparent;
    color: #475569;
    font-weight: 800;
    cursor: pointer;
}

.teacher-replacement-tab.is-active {
    background: #ffffff;
    color: #1d4ed8;
    box-shadow: 0 1px 8px rgba(15, 23, 42, 0.08);
}

.teacher-replacement-panel[hidden] {
    display: none !important;
}

.permanent-replacement-form {
    display: grid;
    gap: 14px;
}

.permanent-change-card,
.permanent-assignment-status,
.teacher-assignment-conflict-banner {
    border: 1px solid #dbe3ef;
    border-radius: 16px;
    background: #ffffff;
    padding: 14px;
}

.permanent-change-card strong,
.permanent-assignment-status strong {
    display: block;
    margin-top: 4px;
    color: #0f172a;
}

.permanent-assignment-status {
    margin-top: 12px;
    background: #f8fafc;
    color: #475569;
}

.permanent-assignment-status span,
.permanent-assignment-status p {
    display: block;
    margin: 4px 0 0;
    font-size: 0.9rem;
}

.permanent-assignment-status.is-conflicting {
    border-color: #fecaca;
    background: #fff1f2;
    color: #991b1b;
}

.permanent-replacement-actions {
    margin-top: 12px;
}

.teacher-assignment-conflict-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    border-color: #fecaca;
    background: #fff1f2;
}

.teacher-assignment-conflict-banner strong {
    color: #991b1b;
}

@media (max-width: 760px) {
    .teacher-replacement-tabs,
    .teacher-replacement-modal .form-row.two-columns,
    .teacher-replacement-modal .form-row.three-columns {
        grid-template-columns: 1fr;
    }

    .teacher-assignment-conflict-banner {
        align-items: flex-start;
        flex-direction: column;
    }
}
.primary-policy-panel {
    border: 1px solid #dbeafe;
    background: #f8fbff;
    border-radius: 16px;
    padding: 14px;
}

.primary-policy-panel[hidden] {
    display: none !important;
}

.primary-policy-grid {
    margin-top: 8px;
}

.primary-homeroom-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
    gap: 16px;
    align-items: end;
    padding: 16px;
    margin-bottom: 14px;
    border: 1px solid #dbeafe;
    border-radius: 18px;
    background: #f8fbff;
}

.primary-homeroom-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    align-items: end;
}

.primary-homeroom-form label {
    grid-column: 1 / -1;
    margin: 0;
}

.primary-warning-list {
    display: grid;
    gap: 8px;
    margin: 0 0 14px;
}

.primary-warning-item {
    border: 1px solid #fde68a;
    background: #fffbeb;
    color: #92400e;
    border-radius: 14px;
    padding: 10px 12px;
    font-size: 0.92rem;
}

@media (max-width: 760px) {
    .primary-homeroom-card,
    .primary-homeroom-form {
        grid-template-columns: 1fr;
    }
}

.primary-homeroom-setup-grid {
    display: grid;
    gap: 10px;
    margin: 0 0 16px;
}

.primary-homeroom-setup-row {
    display: grid;
    grid-template-columns: minmax(70px, 110px) minmax(0, 1fr);
    gap: 10px;
    align-items: center;
    padding: 10px;
    border: 1px solid #e5e7eb;
    border-radius: 14px;
    background: #ffffff;
}

.primary-homeroom-bulk-form {
    margin-bottom: 16px;
}

.primary-homeroom-bulk-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin: -4px 0 16px;
}

@media (max-width: 760px) {
    .primary-homeroom-setup-row {
        grid-template-columns: 1fr;
    }
}

.generation-subjects-before-classes {
    margin-bottom: 18px;
    padding-bottom: 18px;
    border-bottom: 1px solid #e5e7eb;
}

.compact-inner-header {
    margin-bottom: 10px;
}

.compact-inner-header h3 {
    margin: 0;
    font-size: 1.05rem;
}

.generation-grade-subject-groups {
    display: grid;
    gap: 12px;
}

.generation-grade-subject-card {
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    background: #ffffff;
    overflow: hidden;
}

.generation-grade-subject-card > summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 14px;
    background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
    font-weight: 700;
}

.generation-grade-subject-card > summary::-webkit-details-marker {
    display: none;
}

.generation-grade-subject-card .generation-subject-table-wrap {
    padding: 0 12px 12px;
}

.generation-classes-step-header {
    margin-top: 4px;
}

.mobile-subject-meta {
    display: block;
    margin-top: 2px;
    font-size: 0.82rem;
}

@media (max-width: 760px) {
    .generation-grade-subject-card > summary {
        flex-direction: column;
    }
}

.availability-week-grid {
    display: grid;
    gap: 10px;
    margin-top: 10px;
}

.availability-day-row {
    display: grid;
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 10px;
    align-items: center;
    border: 1px solid #d9e2ef;
    border-radius: 14px;
    background: #ffffff;
    padding: 10px;
    transition: border-color 0.2s ease, background-color 0.2s ease, opacity 0.2s ease;
}

.availability-day-row.is-inactive {
    background: #f8fafc;
    opacity: 0.72;
}

.availability-day-check {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    color: #0f172a;
    font-weight: 800;
    cursor: pointer;
}

.availability-day-check input {
    width: auto;
    margin: 0;
}

.availability-day-times {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.availability-day-times label {
    display: grid;
    gap: 4px;
    margin: 0;
}

.availability-day-times label span {
    color: #64748b;
    font-size: 12px;
    font-weight: 700;
}

.availability-day-times input[type="time"] {
    min-width: 0;
}

@media (max-width: 760px) {
    .availability-day-row {
        grid-template-columns: 1fr;
    }

    .availability-day-times {
        grid-template-columns: 1fr;
    }
}

.logout-form {
    margin: 0;
}

.logout-form button {
    font: inherit;
    cursor: pointer;
}

.permission-user-list {
    display: grid;
    gap: 14px;
}

.permission-user-card {
    border: 1px solid var(--border-color, #d9dee8);
    border-radius: 14px;
    background: #fff;
    padding: 14px 16px;
}

.permission-user-card summary {
    cursor: pointer;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.permissions-form {
    margin-top: 16px;
}

.permission-groups-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px;
    margin-top: 14px;
}

.permission-groups-grid.is-disabled {
    opacity: 0.65;
}

.permission-group {
    border: 1px solid var(--border-color, #d9dee8);
    border-radius: 12px;
    padding: 12px;
    min-width: 0;
}

.permission-group legend {
    padding: 0 6px;
    font-weight: 700;
}

.compact-checkbox-item {
    margin-bottom: 6px;
}

.compact-help-text {
    margin-top: 6px;
    font-size: 0.9rem;
}

/* Dev test lab / diagnostics */
.test-lab-form {
    display: grid;
    gap: 18px;
}

.diagnostics-panel {
    background: #fff;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 18px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
}

.diagnostics-panel.diagnostics-failed {
    border-color: #fbbf24;
}

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

.diagnostics-head h3 {
    margin: 0 0 4px;
}

.diagnostics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.diagnostics-focus,
.diagnostics-list,
.diagnostics-details {
    border-top: 1px solid #edf0f5;
    padding-top: 14px;
    margin-top: 14px;
}

.diagnostics-list h4,
.diagnostics-focus h4 {
    margin: 0 0 8px;
}

.diagnostics-list ul {
    margin: 0;
    padding-left: 18px;
}

.diagnostics-conflict-group {
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 10px;
    margin-top: 10px;
}

.dev-json-block {
    max-height: 520px;
    overflow: auto;
    background: #0f172a;
    color: #e5e7eb;
    padding: 16px;
    border-radius: 14px;
    font-size: 13px;
    line-height: 1.5;
}

.responsive-table-wrap {
    overflow-x: auto;
}

/* Audit / logs */
.audit-filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    align-items: end;
}
.audit-filter-actions {
    align-self: end;
    margin-top: 0;
}
.audit-summary-grid,
.audit-detail-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.audit-json-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}
.audit-request-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}
.audit-key {
    font-size: 12px;
    word-break: break-all;
}
.json-preview {
    max-height: 460px;
    overflow: auto;
    padding: 14px;
    background: #0f172a;
    color: #e5e7eb;
    border-radius: 12px;
    font-size: 12px;
    line-height: 1.45;
    white-space: pre-wrap;
    word-break: break-word;
}
.tag-red {
    background: #fee2e2;
    color: #991b1b;
}
.tag-amber {
    background: #fef3c7;
    color: #92400e;
}
.tag-blue {
    background: #dbeafe;
    color: #1e40af;
}
.compact-card strong {
    display: block;
    margin-top: 4px;
}

.inline-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.inline-actions form {
    display: inline-flex;
    gap: 6px;
    align-items: center;
    margin: 0;
}

.inline-actions input[type="text"] {
    min-width: 100px;
    max-width: 130px;
    padding: 7px 9px;
}

.version-summary-grid {
    margin-bottom: 18px;
}

.stacked-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
}

.stacked-actions form {
    margin: 0;
}

.version-detail-grid > div {
    min-width: 0;
}

.version-diff-table .is-diff-cell {
    background: #fff7ed;
    font-weight: 700;
}

.version-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.version-preview-day {
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 16px;
    padding: 14px;
    background: #fff;
}

.version-preview-day h3 {
    margin: 0 0 10px;
    font-size: 16px;
}

.version-preview-lessons {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 8px;
}

.version-preview-lessons li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2px 8px;
    align-items: start;
    padding: 8px;
    border-radius: 12px;
    background: #f8fafc;
}

.version-preview-time {
    grid-row: span 2;
    font-size: 12px;
    font-weight: 800;
    color: #475569;
    min-width: 42px;
}

.version-preview-lessons strong {
    font-size: 13px;
}

.version-preview-lessons .muted {
    font-size: 12px;
}

@media (max-width: 720px) {
    .stacked-actions {
        flex-direction: row;
        flex-wrap: wrap;
    }
}
.tag-green {
    background: #dcfce7;
    color: #166534;
}

/* Timetable editor action menu */

.timetable-export-action,
button.timetable-export-action {
    border-color: #16a34a;
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    color: #ffffff;
    box-shadow: 0 8px 18px rgba(22, 163, 74, 0.18);
}

.timetable-export-action:hover,
button.timetable-export-action:hover {
    background: linear-gradient(135deg, #15803d 0%, #166534 100%);
    color: #ffffff;
    filter: none;
}

.timetable-export-action:focus-visible,
button.timetable-export-action:focus-visible {
    outline: 3px solid rgba(34, 197, 94, 0.28);
    outline-offset: 2px;
}
.timetable-editor-actions {
    align-items: center;
}

.timetable-more-actions {
    position: relative;
    display: inline-flex;
}

.timetable-more-actions > summary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, #64748b 0%, var(--secondary) 100%);
    color: #ffffff;
    font-size: 13px;
    line-height: 1.2;
    cursor: pointer;
    user-select: none;
    box-shadow: 0 8px 18px rgba(71, 85, 105, 0.16);
}

.timetable-more-actions > summary::-webkit-details-marker {
    display: none;
}

.timetable-more-actions > summary::after {
    content: "▾";
    font-size: 10px;
    line-height: 1;
    transform: translateY(1px);
    transition: transform 0.16s ease;
}

.timetable-more-actions[open] > summary::after {
    transform: rotate(180deg) translateY(-1px);
}

.timetable-more-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: 30;
    min-width: 230px;
    padding: 8px;
    border: 1px solid rgba(148, 163, 184, 0.24);
    border-radius: 14px;
    background: #ffffff;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.16);
    animation: timetableMoreMenuIn 0.16s ease-out;
}

.timetable-more-item,
button.timetable-more-item {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 10px 11px;
    border: 0;
    border-radius: 10px;
    background: transparent;
    box-shadow: none;
    color: var(--text);
    font-size: 14px;
    line-height: 1.25;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
}

.timetable-more-item:hover,
button.timetable-more-item:hover {
    background: #f1f5f9;
    filter: none;
}

.timetable-more-separator {
    height: 1px;
    margin: 6px 4px;
    background: #e5e7eb;
}

.timetable-more-danger,
button.timetable-more-danger {
    color: var(--danger);
}

.timetable-more-danger:hover,
button.timetable-more-danger:hover {
    background: #fef2f2;
}

@keyframes timetableMoreMenuIn {
    from {
        opacity: 0;
        transform: translateY(-4px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@media (max-width: 720px) {
    .timetable-editor-actions {
        width: 100%;
        justify-content: stretch;
    }

    .timetable-editor-actions > button,
    .timetable-editor-actions > .timetable-more-actions {
        flex: 1 1 160px;
    }

    .timetable-more-actions > summary {
        width: 100%;
    }

    .timetable-more-menu {
        right: 0;
        left: auto;
        min-width: min(260px, calc(100vw - 36px));
    }
}

.settings-subsection-header {
    margin-top: 0;
}

.settings-option-stack {
    display: grid;
    gap: 10px;
}

.settings-checkbox-card {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px;
    border: 1px solid #d9e2ef;
    border-radius: 14px;
    background: #ffffff;
}

.settings-checkbox-card input {
    margin-top: 3px;
}

.settings-checkbox-card span {
    display: grid;
    gap: 3px;
}

.settings-checkbox-card small {
    color: #64748b;
    line-height: 1.35;
}

.compact-settings-list {
    margin-top: 12px;
}

.export-room-options {
    margin: 1rem 0;
}

.export-room-checkbox small {
    color: #64748b;
    display: block;
    font-size: 0.85rem;
    margin-top: 0.2rem;
}

.room-conflict-warning-banner {
    border-color: rgba(217, 119, 6, 0.28);
    background: rgba(255, 251, 235, 0.92);
}

.room-conflict-warning-list {
    margin: 0.5rem 0 0;
    padding-left: 1.1rem;
    color: #92400e;
    font-size: 0.9rem;
    line-height: 1.45;
}

.room-conflict-warning-list li + li {
    margin-top: 0.25rem;
}

/* Step 45I — Public landing page */
.landing-page-shell {
    display: grid;
    gap: 32px;
    padding: 10px 0 34px;
}

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

.landing-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-weight: 800;
    text-decoration: none;
}

.landing-brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: var(--primary);
    color: #ffffff;
    box-shadow: var(--shadow-button);
}

.landing-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
    gap: 24px;
    align-items: stretch;
    padding: clamp(28px, 5vw, 56px);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 28px;
    background:
        radial-gradient(circle at 20% 20%, rgba(37, 99, 235, 0.12), transparent 30%),
        linear-gradient(180deg, #ffffff 0%, #f6f9ff 100%);
    box-shadow: var(--shadow-soft);
}

.landing-hero-copy {
    display: grid;
    align-content: center;
    gap: 18px;
}

.landing-eyebrow {
    color: var(--primary-dark);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.landing-hero h1 {
    max-width: 760px;
    margin: 0;
    font-size: clamp(2.2rem, 5vw, 4.5rem);
    line-height: 0.98;
    letter-spacing: -0.055em;
}

.landing-lead,
.landing-section-head p,
.landing-audience p,
.landing-cta p {
    max-width: 780px;
    color: var(--muted);
    font-size: 1.03rem;
    line-height: 1.65;
}

.landing-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.landing-hero-panel {
    display: grid;
    gap: 12px;
    align-content: center;
}

.landing-flow-step {
    display: grid;
    gap: 6px;
    padding: 18px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.05);
}

.landing-flow-step span {
    color: var(--muted);
    line-height: 1.45;
}

.landing-section,
.landing-cta {
    padding: clamp(22px, 4vw, 34px);
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 24px;
    background: #ffffff;
    box-shadow: var(--shadow-soft);
}

.landing-section-head {
    display: grid;
    gap: 10px;
    margin-bottom: 20px;
}

.landing-section h2,
.landing-cta h2 {
    margin: 0;
    font-size: clamp(1.45rem, 2.4vw, 2.2rem);
    letter-spacing: -0.03em;
}

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

.landing-feature-card {
    padding: 18px;
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    background: var(--panel-alt);
}

.landing-feature-card h3 {
    margin-bottom: 8px;
}

.landing-feature-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.5;
}

.landing-audience {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 0.5fr);
    gap: 20px;
    align-items: center;
}

.landing-audience-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.landing-audience-list span {
    padding: 12px 14px;
    border: 1px solid #dbeafe;
    border-radius: 14px;
    background: #eff6ff;
    color: #1e3a8a;
    font-weight: 700;
    text-align: center;
}

.landing-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

@media (max-width: 900px) {
    .landing-hero,
    .landing-audience {
        grid-template-columns: 1fr;
    }

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

    .landing-cta {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .landing-feature-grid,
    .landing-audience-list {
        grid-template-columns: 1fr;
    }

    .landing-hero {
        padding: 22px;
    }
}

/* Safety: hidden fixed modals/backdrops must never intercept page navigation. */
.modal-backdrop[hidden],
.modal-card[hidden],
.app-modal[hidden],
.app-modal-backdrop[hidden] {
    display: none !important;
    pointer-events: none !important;
}

/* Teacher assignment edit workflow */
.assignments-page-root .page-subtitle {
    max-width: 760px;
    margin-top: 6px;
}
.assignment-help-card {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
}
.assignment-help-card h2 {
    margin-bottom: 6px;
}
.assignment-help-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(140px, 1fr));
    gap: 10px;
    min-width: min(560px, 100%);
}
.assignment-help-grid span {
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 14px;
    padding: 10px 12px;
    background: rgba(248, 250, 252, 0.8);
}
.assignment-help-grid strong,
.assignment-help-grid small {
    display: block;
}
.assignment-help-grid small {
    color: var(--muted, #64748b);
    margin-top: 3px;
    line-height: 1.35;
}
.assignments-table td {
    vertical-align: top;
}
.assignment-actions-cell {
    min-width: 170px;
}
.assignment-row-action.btn.small {
    width: auto;
    min-height: 30px;
    padding: 5px 9px;
    font-size: 12px;
    margin: 0 4px 5px 0;
    white-space: nowrap;
}
.assignment-rule-remove-form {
    display: inline-block;
    margin: 0;
}
button.assignment-row-action[type="button"] {
    width: auto !important;
    min-height: 30px !important;
    padding: 6px 10px !important;
}
.assignment-edit-modal {
    width: min(720px, calc(100vw - 32px));
    max-height: min(760px, calc(100vh - 48px));
    overflow: auto;
    background: #fff;
    padding: 22px;
}
.assignment-edit-modal[hidden] {
    display: none !important;
    pointer-events: none !important;
}
.assignment-modal-form {
    display: grid;
    gap: 14px;
}
.assignment-modal-current {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    padding: 12px;
    border-radius: 16px;
    background: rgba(248, 250, 252, 0.95);
    border: 1px solid rgba(15, 23, 42, 0.08);
}
.assignment-modal-current strong,
.assignment-modal-current span {
    display: block;
}
.assignment-future-lock-check {
    align-items: flex-start;
}
.assignment-future-lock-check small {
    display: block;
    color: var(--muted, #64748b);
    margin-top: 2px;
    line-height: 1.35;
}
.assignment-preview-result {
    min-height: 22px;
    font-size: 13px;
}
.assignment-preview-result.is-ok {
    color: #166534;
}
.assignment-preview-result.is-error {
    color: #b91c1c;
}
.modal-form-actions {
    justify-content: flex-end;
}
@media (max-width: 860px) {
    .assignment-help-card {
        display: block;
    }
    .assignment-help-grid,
    .assignment-modal-current {
        grid-template-columns: 1fr;
    }
}

/* Assignment edit modals use a fixed layer so opened content cannot fall into page flow. */
.assignment-modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 220;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(15, 23, 42, 0.5);
}
.assignment-modal-backdrop[hidden] {
    display: none !important;
    pointer-events: none !important;
}
.assignment-modal-backdrop .assignment-edit-modal {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    transform: none !important;
    z-index: 221;
    width: min(720px, calc(100vw - 32px));
    max-height: calc(100vh - 48px);
    overflow: auto;
    margin: 0;
    background: #fff;
    border-radius: 22px;
    padding: 22px;
    box-shadow: 0 30px 80px rgba(15, 23, 42, 0.28);
}
.assignment-modal-backdrop .assignment-edit-modal[hidden] {
    display: none !important;
    pointer-events: none !important;
}

/* Elementary homeroom setup */
.primary-readiness-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px 14px;
    align-items: start;
    margin: 0 16px 16px;
    padding: 12px 14px;
    border: 1px solid rgba(30, 64, 175, 0.14);
    border-radius: 14px;
    background: rgba(248, 250, 252, 0.9);
}
.primary-readiness-panel.is-blocked {
    border-color: rgba(220, 38, 38, 0.22);
    background: rgba(254, 242, 242, 0.72);
}
.primary-readiness-panel.is-ready {
    border-color: rgba(22, 163, 74, 0.22);
    background: rgba(240, 253, 244, 0.72);
}
.primary-readiness-list {
    grid-column: 1 / -1;
    margin: 0;
    padding-left: 18px;
    color: #7f1d1d;
    font-size: 13px;
}
.inline-homeroom-form {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-width: 180px;
}
.homeroom-current-checkbox {
    max-width: 210px;
    margin-bottom: 6px;
    font-size: 12px;
}
button.tiny,
.btn.tiny {
    min-height: 26px !important;
    padding: 3px 8px !important;
    font-size: 12px !important;
    line-height: 1.15 !important;
}
.tag-green {
    color: #166534;
    background: rgba(220, 252, 231, 0.9);
}
@media (max-width: 760px) {
    .primary-readiness-panel {
        grid-template-columns: 1fr;
        margin-left: 0;
        margin-right: 0;
    }
}

.inline-help-link {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    margin-left: 8px;
    font-size: 0.83rem;
    font-weight: 700;
    color: var(--accent-color, #2563eb);
    text-decoration: none;
    border-bottom: 1px solid currentColor;
}

.inline-help-link:hover {
    text-decoration: none;
    opacity: 0.82;
}

.primary-readiness-list li {
    gap: 6px;
}

.assignment-row-focused {
    outline: 2px solid rgba(37, 99, 235, 0.35);
    outline-offset: -2px;
    background: rgba(37, 99, 235, 0.06);
}

/* Teacher coverage dashboard */
.teacher-coverage-card {
    display: grid;
    gap: 18px;
}

.assignment-coverage-stats .stat-card strong {
    font-variant-numeric: tabular-nums;
}

.missing-assignment-quick-list {
    display: grid;
    gap: 12px;
    padding: 14px;
    border: 1px solid rgba(220, 38, 38, 0.18);
    border-radius: 18px;
    background: rgba(254, 242, 242, 0.72);
}

.missing-assignment-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 10px;
}

.missing-assignment-card {
    display: grid;
    gap: 4px;
    padding: 12px;
    border-radius: 14px;
    background: #fff;
    border: 1px solid rgba(148, 163, 184, 0.24);
}

.missing-assignment-card small {
    color: var(--muted, #64748b);
}

.coverage-filter-toolbar {
    align-items: end;
    gap: 12px;
}

.compact-filter-label {
    display: grid;
    gap: 5px;
    min-width: 160px;
    font-size: 0.82rem;
    color: var(--muted, #64748b);
}

.teacher-coverage-table td {
    vertical-align: top;
}

.primary-readiness-actions {
    margin-top: 10px;
}

@media (max-width: 760px) {
    .coverage-filter-toolbar {
        align-items: stretch;
    }
    .compact-filter-label {
        min-width: 100%;
    }
}

.subject-section-tabs {
    margin-bottom: 1rem;
}

.subject-coverage-card {
    margin-bottom: 1.25rem;
}

.coverage-summary-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: .75rem;
    margin: 1rem 0;
}

.coverage-summary-strip span {
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 14px;
    padding: .8rem .9rem;
    background: var(--surface-muted, #f8fafc);
}

.coverage-summary-strip strong {
    display: block;
    font-size: 1.35rem;
    line-height: 1.1;
}

.coverage-summary-strip small {
    display: block;
    margin-top: .2rem;
    color: var(--muted, #64748b);
}

.coverage-summary-strip .coverage-summary-warning strong {
    color: var(--danger-color, #dc2626);
}

.subject-teacher-fix-card {
    margin-bottom: 1rem;
    border-left: 4px solid var(--warning-color, #f59e0b);
}

.compact-coverage-table-wrap {
    max-height: 520px;
    overflow: auto;
}

@media (max-width: 760px) {
    .coverage-summary-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}