.academic-management-layout {
    width: 100%;
}

.academic-management-layout__content {
    box-sizing: border-box;
    width: 100%;
    max-width: 1150px;
    margin: 0 auto;
}

.academic-management-page {
    --academic-ink: #14213d;
    --academic-muted: #64748b;
    --academic-border: #e2e8f0;
    --academic-surface: #ffffff;
    --academic-subtle: #f8fafc;
    --academic-primary: #2563eb;
    --academic-primary-dark: #1d4ed8;
    --academic-secondary: #475569;
    --academic-danger: #dc2626;
    color: var(--academic-ink);
    font-size: 15px;
}

.academic-management-page,
.academic-management-page * {
    box-sizing: border-box;
}

.academic-page {
    display: grid;
    gap: 16px;
    padding: 20px 0 28px;
}

@media (min-width: 1200px) {
    .academic-management-layout .academic-page {
        grid-template-columns: minmax(576px, 768px) minmax(220px, 280px);
        grid-template-areas:
            "header header"
            "list filter"
            "alert filter";
        justify-content: center;
        align-items: start;
    }

    .academic-management-layout .academic-page > .academic-page-header {
        grid-area: header;
    }

    .academic-management-layout .academic-page > .academic-card:has(.academic-table-wrapper) {
        grid-area: list;
        width: min(8in, 100%);
    }

    .academic-management-layout .academic-page > .academic-card:has(.academic-table-wrapper) .academic-table {
        min-width: 100%;
    }

    .academic-management-layout .academic-page > .academic-card:has(.academic-filter-grid) {
        grid-area: filter;
    }

    .academic-management-layout .academic-page > .academic-alert {
        grid-area: alert;
    }
}

.academic-card {
    min-width: 0;
    padding: 20px;
    background: var(--academic-surface);
    border: 1px solid var(--academic-border);
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(20, 33, 61, .06);
}

.academic-card--warning {
    border-left: 4px solid #d97706;
}

.academic-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.academic-page-header__content {
    min-width: 0;
}

.academic-page-header__actions,
.academic-filter-actions,
.academic-form-actions,
.academic-table-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.academic-page-title {
    margin: 0;
    color: var(--academic-ink);
    font-size: 1.55rem;
    line-height: 1.3;
}

.academic-page-description {
    margin: 6px 0 0;
    color: var(--academic-muted);
    line-height: 1.55;
}

.academic-section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--academic-border);
    color: var(--academic-ink);
    font-size: 1.1rem;
    line-height: 1.4;
}

.academic-section-title__count {
    flex: 0 0 auto;
}

.academic-filter-grid,
.academic-form-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.academic-filter-grid--four,
.academic-form-grid--four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.academic-filter-grid {
    align-items: end;
    gap: 12px;
}

.academic-filter-field,
.academic-form-field {
    min-width: 0;
}

.academic-filter-field label,
.academic-form-field label {
    display: block;
    margin-bottom: 6px;
    color: var(--academic-ink);
    font-size: .84rem;
    font-weight: 700;
}

.academic-filter-field label {
    margin-left: 4px;
    color: var(--academic-muted);
    font-size: .75rem;
    letter-spacing: .01em;
}

.academic-control {
    display: block;
    width: 100%;
    min-height: 42px;
    padding: 9px 11px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background: #fff;
    color: var(--academic-ink);
    font: inherit;
}

.academic-control:focus {
    border-color: var(--academic-primary);
    outline: 3px solid rgba(37, 99, 235, .14);
}

.academic-filter-field .academic-control {
    min-height: 44px;
    padding: 10px 15px;
    border-color: #d7dee9;
    border-radius: 999px;
    background: #fff;
    box-shadow: 0 2px 8px rgba(15, 23, 42, .04);
}
.academic-filter-field .academic-control:hover {
    border-color: #b8c5d8;
}
.academic-filter-field .academic-control:focus {
    border-color: var(--academic-primary);
    box-shadow: 0 4px 14px rgba(37, 99, 235, .12);
}
.academic-filter-field select.academic-control {
    padding-right: 36px;
    cursor: pointer;
}

textarea.academic-control {
    min-height: 110px;
    resize: vertical;
}

.academic-filter-actions,
.academic-form-actions {
    margin-top: 16px;
}

.academic-filter-actions {
    gap: 10px;
}
.academic-filter-actions .academic-btn {
    min-height: 38px;
    padding: 8px 17px;
    border-radius: 999px;
    font-size: .86rem;
}

.academic-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 40px;
    padding: 9px 14px;
    border: 1px solid transparent;
    border-radius: 8px;
    color: #fff;
    font: inherit;
    font-weight: 700;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
}

.academic-btn--primary { background: var(--academic-primary); }
.academic-btn--primary:hover { background: var(--academic-primary-dark); }
.academic-btn--secondary { background: var(--academic-secondary); }
.academic-btn--danger { background: var(--academic-danger); }
.academic-btn--icon {
    width: 36px;
    min-width: 36px;
    height: 36px;
    min-height: 36px;
    padding: 0;
    border-radius: 8px;
}
.academic-filter-actions .academic-btn--icon {
    width: 38px;
    min-width: 38px;
    height: 38px;
    min-height: 38px;
    padding: 0;
}

.academic-alert {
    padding: 13px 16px;
    border: 1px solid;
    border-radius: 8px;
    line-height: 1.5;
}
.academic-alert--success { border-color: #bbf7d0; background: #f0fdf4; color: #166534; }
.academic-alert--danger { border-color: #fecaca; background: #fef2f2; color: #991b1b; }
.academic-alert ul { margin: 6px 0 0; padding-left: 20px; }

.academic-table-wrapper {
    width: 100%;
    overflow-x: auto;
}

.academic-table {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
}
.academic-table--wide { min-width: 1040px; }
.academic-table--compact { min-width: 620px; }
.academic-table th,
.academic-table td {
    padding: 13px 12px;
    border-bottom: 1px solid var(--academic-border);
    vertical-align: top;
    text-align: left;
}
.academic-table th {
    background: var(--academic-subtle);
    color: var(--academic-ink);
    font-size: .78rem;
    font-weight: 800;
    white-space: nowrap;
}
.academic-table tbody tr:hover { background: #fbfdff; }
.academic-table tbody tr:last-child td { border-bottom: 0; }
.academic-table td:last-child { white-space: nowrap; }

.academic-name__primary { color: var(--academic-ink); font-weight: 700; }
.academic-name__secondary { margin-top: 2px; color: var(--academic-muted); font-size: .86rem; }
.academic-code,
.academic-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 999px;
    background: #eef2ff;
    color: #3346a8;
    font-size: .76rem;
    font-weight: 700;
    line-height: 1.2;
    white-space: nowrap;
}
.academic-badge--neutral { background: #f1f5f9; color: #475569; }
.academic-badge--info { background: #e0f2fe; color: #075985; }
.academic-badge--success { background: #dcfce7; color: #166534; }
.academic-badge--danger { background: #fee2e2; color: #991b1b; }
.academic-badge-list { display: flex; flex-wrap: wrap; gap: 4px; max-width: 320px; }
.academic-count { font-weight: 700; }

.academic-empty-state {
    padding: 38px 16px !important;
    color: var(--academic-muted);
    text-align: center !important;
}
.academic-empty-state p { margin: 0 0 14px; }
.academic-pagination { margin-top: 18px; }
.academic-pagination nav { display: flex; justify-content: center; }

.academic-form-error { margin-top: 5px; color: var(--academic-danger); font-size: .82rem; }
.academic-form-field--full { grid-column: 1 / -1; }
.academic-management-page .muted { color: var(--academic-muted); }

.academic-detail-popup { width: min(520px, calc(100vw - 24px)) !important; }
.academic-detail-modal { text-align: left; }
.academic-detail-modal__heading { margin-bottom: 12px; color: var(--academic-muted); font-size: .8rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.academic-detail-modal__items { display: grid; gap: 10px; min-height: 44px; padding: 14px; border: 1px solid var(--academic-border); border-radius: 10px; background: var(--academic-subtle); }
.academic-detail-modal__row { display: grid; grid-template-columns: minmax(100px, 34%) minmax(0, 1fr); gap: 12px; padding-bottom: 10px; border-bottom: 1px solid var(--academic-border); }
.academic-detail-modal__row:last-child { padding-bottom: 0; border-bottom: 0; }
.academic-detail-modal__label { color: var(--academic-muted); font-size: .8rem; font-weight: 800; }
.academic-detail-modal__value { min-width: 0; color: var(--academic-ink); line-height: 1.45; overflow-wrap: anywhere; }
.academic-detail-modal__items .academic-badge-list { display: contents; }
.academic-detail-modal__items .academic-badge { padding: 7px 10px; }
.academic-detail-button { background: #0f766e !important; color: #fff !important; }
.academic-detail-button:hover { background: #115e59 !important; }

.academic-swal-popup {
    width: min(900px, calc(100vw - 24px)) !important;
    max-height: min(92vh, 860px);
    padding: 0 !important;
    border: 1px solid #dbe4f0;
    border-radius: 18px !important;
    color: var(--academic-ink);
    overflow: hidden;
}
.academic-swal-title {
    margin: 0 !important;
    padding: 22px 56px 16px 24px !important;
    border-bottom: 1px solid var(--academic-border);
    color: var(--academic-ink) !important;
    font-size: 1.25rem !important;
    text-align: left !important;
}
.academic-swal-content {
    max-height: calc(92vh - 78px) !important;
    margin: 0 !important;
    padding: 20px 24px 24px !important;
    overflow-y: auto !important;
    text-align: left !important;
}
.academic-swal-content .academic-page { padding: 0; gap: 14px; }
.academic-swal-content .academic-page > .academic-card:first-child { display: none; }
.academic-swal-content .academic-card {
    padding: 18px;
    box-shadow: none;
}
.academic-swal-content .academic-card + .academic-card { margin-top: 2px; }
.academic-swal-content .academic-form-grid,
.academic-swal-content .class-form-grid,
.academic-swal-content .row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}
.academic-swal-content .class-form-group,
.academic-swal-content .col-md-6,
.academic-swal-content .col-md-3 { min-width: 0; }
.academic-swal-content .class-form-group.full-width,
.academic-swal-content .col-12 { grid-column: 1 / -1; }
.academic-swal-content .academic-form-field > input:not([type="hidden"]),
.academic-swal-content .academic-form-field > select,
.academic-swal-content .academic-form-field > textarea,
.academic-swal-content .class-form-control,
.academic-swal-content .form-control,
.academic-swal-content .form-select,
.academic-swal-content .academic-control {
    display: block;
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 9px;
    background: #fff;
    color: var(--academic-ink);
    font: inherit;
    line-height: 1.35;
    box-shadow: 0 1px 2px rgba(15, 23, 42, .04);
}
.academic-swal-content .academic-form-field > textarea,
.academic-swal-content textarea.academic-control { min-height: 112px; resize: vertical; }
.academic-swal-content .academic-form-field > input:focus,
.academic-swal-content .academic-form-field > select:focus,
.academic-swal-content .academic-form-field > textarea:focus,
.academic-swal-content .class-form-control:focus,
.academic-swal-content .form-control:focus,
.academic-swal-content .form-select:focus,
.academic-swal-content .academic-control:focus {
    border-color: var(--academic-primary);
    outline: 3px solid rgba(37, 99, 235, .14);
}
.academic-swal-content input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--academic-primary);
}
.academic-swal-content .academic-form-actions {
    justify-content: flex-end;
    padding-top: 16px;
    padding-bottom: 2px;
    border-top: 1px solid var(--academic-border);
}
.academic-swal-content form > .academic-page-header__actions {
    justify-content: flex-end;
    width: 100%;
    margin-top: 16px;
}
.academic-swal-content .academic-form-actions .academic-btn { min-width: 118px; }
.academic-swal-content .academic-form-actions .academic-btn--icon {
    flex: 0 0 36px;
    min-width: 36px;
    margin-left: auto;
}
.academic-swal-content form > .academic-page-header__actions .academic-btn--icon {
    flex: 0 0 36px;
    min-width: 36px;
}
.academic-swal-content .academic-btn--primary { background: #2563eb !important; color: #fff !important; }
.academic-swal-content .academic-btn--primary:hover { background: #1d4ed8 !important; }
.academic-swal-content .academic-btn--secondary { background: #475569 !important; color: #fff !important; }
.academic-swal-content .text-danger,
.academic-swal-content .field-error { display: block; margin-top: 6px; color: var(--academic-danger); font-size: .8rem; }
.academic-swal-content .muted,
.academic-swal-content .field-help { margin: 7px 0 0; color: var(--academic-muted); font-size: .82rem; line-height: 1.5; }
.academic-swal-content .error-box,
.academic-swal-content .class-error-summary {
    margin: 0;
    padding: 12px 14px;
    border: 1px solid #fecaca;
    border-radius: 9px;
    background: #fff1f2;
    color: #991b1b;
}
.academic-swal-content .subject-selector,
.academic-swal-content .subject-class-toolbar { display: grid; gap: 12px; }
.academic-swal-content .subject-toolbar { display: flex; align-items: end; gap: 8px; flex-wrap: wrap; }
.academic-swal-content .subject-toolbar > input { flex: 1 1 240px; }
.academic-swal-content .subject-mini-button,
.academic-swal-content .subject-class-toolbar button { min-height: 40px; padding: 8px 12px; border: 1px solid #cbd5e1; border-radius: 8px; background: #f8fafc; color: var(--academic-ink); font: inherit; font-weight: 700; cursor: pointer; }
.academic-swal-content .subject-checkbox-grid,
.academic-swal-content .checkbox-grid,
.academic-swal-content .subject-class-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.academic-swal-content .subject-checkbox-item,
.academic-swal-content .checkbox-item,
.academic-swal-content .subject-class-item,
.academic-swal-content .status-box { display: flex; align-items: center; gap: 9px; min-width: 0; padding: 10px 11px; border: 1px solid #e2e8f0; border-radius: 8px; background: #f8fafc; }
.academic-swal-content .subject-checkbox-item:has(input:checked),
.academic-swal-content .checkbox-item:has(input:checked),
.academic-swal-content .subject-class-item:has(input:checked) { border-color: #93c5fd; background: #eff6ff; }
.academic-swal-content .subject-checkbox-item label,
.academic-swal-content .checkbox-item label,
.academic-swal-content .subject-class-item label,
.academic-swal-content .status-box { margin: 0; font-weight: 600; }
.academic-swal-content .education-level-group { margin-top: 14px; }
.academic-swal-content .education-level-title,
.academic-swal-content .subject-section-label { margin: 0 0 8px; color: var(--academic-ink); font-size: .92rem; font-weight: 800; }
.academic-swal-content .subject-code-warning { margin: 7px 0 0; color: #a16207; font-size: .82rem; line-height: 1.5; }
.academic-modal-loading { display: flex; align-items: center; justify-content: center; gap: 10px; min-height: 180px; color: var(--academic-muted); }

@media (min-width: 561px) {
    .academic-table--hide-subject-column .academic-relationship-column,
    .academic-table--hide-class-column .academic-relationship-column,
    .academic-table--hide-chapter-class-column .academic-relationship-column { display: none; }
}

@media (max-width: 900px) {
    .academic-filter-grid,
    .academic-filter-grid--four,
    .academic-form-grid,
    .academic-form-grid--four { grid-template-columns: repeat(2, minmax(0, 1fr)); }

    .academic-table--mobile-focused {
        min-width: 0;
        table-layout: fixed;
    }

    .academic-table--mobile-focused .academic-mobile-optional { display: none; }

    .academic-table--mobile-focused th:nth-child(2),
    .academic-table--mobile-focused td:nth-child(2) { width: calc(100% - 92px); }

    .academic-table--mobile-focused th:last-child,
    .academic-table--mobile-focused td:last-child { width: 92px; }

    .academic-table--mobile-focused td { padding: 11px 8px; }
    .academic-table--mobile-focused .academic-table-actions { gap: 5px; }
}

@media (max-width: 560px) {
    .academic-page { padding: 14px 0 22px; }
    .academic-card { padding: 16px; }
    .academic-filter-grid,
    .academic-filter-grid--four,
    .academic-form-grid,
    .academic-form-grid--four { grid-template-columns: 1fr; }
    .academic-page-title { font-size: 1.3rem; }
    .academic-page-header__actions,
    .academic-page-header__actions .academic-btn { width: 100%; }
    .academic-page-header__actions .academic-btn { white-space: normal; }
    .academic-swal-title { padding: 18px 48px 14px 16px !important; font-size: 1.1rem !important; }
    .academic-swal-content { padding: 14px 16px 18px !important; }
    .academic-swal-content .academic-form-grid,
    .academic-swal-content .class-form-grid,
    .academic-swal-content .row,
    .academic-swal-content .subject-checkbox-grid,
    .academic-swal-content .checkbox-grid,
    .academic-swal-content .subject-class-grid { grid-template-columns: 1fr; }
    .academic-swal-content .academic-form-actions { justify-content: stretch; }
    .academic-swal-content .academic-form-actions .academic-btn { flex: 1 1 0; min-width: 0; }
}

.academic-filter-grid,
.academic-filter-grid--four {
    grid-template-columns: 1fr;
}