/* ==========================================================================
   Global Common Utility Classes
   ========================================================================== */
.page-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.table-center {
    text-align: center;
    vertical-align: middle;
}
.text-muted-sm {
    color: var(--text-muted);
    font-size: 0.85rem;
}
.action-btn-group {
    display: flex;
    gap: 5px;
    justify-content: center;
}
.pagination-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-top: 1px solid #dee2e6;
    background: #fcfcfc;
}
.status-badge-info {
    background-color: var(--info-color) !important;
}
.flex-center-gap {
    display: flex;
    align-items: center;
    gap: 1px;
}

/* ==========================================================================
   Admin List Generic Utilities
   ========================================================================== */
.admin-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.admin-list-title {
    color: var(--text-primary);
    margin: 0;
}
.admin-list-table {
    width: 100%;
    border-collapse: collapse;
}
.admin-list-thead {
    background: var(--table-stripe);
}
.admin-list-thead th {
    text-align: center;
    vertical-align: middle;
}
.admin-list-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
}
.admin-list-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 30px;
}

/* ==========================================================================
   Remaining Page Specific Styles (Only Unique Differences)
   ========================================================================== */
/* ==========================================================================
   Admin List Generic Utilities
   ========================================================================== */
.admin-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.admin-list-title {
    color: var(--text-primary);
    margin: 0;
}
.admin-list-table {
    width: 100%;
    border-collapse: collapse;
}
.admin-list-thead {
    background: var(--table-stripe);
}
.admin-list-thead th {
    text-align: center;
    vertical-align: middle;
}
.admin-list-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
}
.admin-list-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 30px;
}

/* ==========================================================================
   Page Specific Styles
   ========================================================================== */
body { 
    font-family: "Microsoft JhengHei", "Microsoft JhengHei", Arial, sans-serif; 
    line-height: 1.6; 
    margin: 0; 
    padding: 0; 
    background-color: #F5F5F5; 
}

:root {
    --primary-color: #003366;
    --primary-hover: #002244;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --info-color: #17a2b8;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --card-bg: #FFFFFF;
    --border-color: #DDD;
    --radius-sm: 4px;
    --radius-md: 8px;
    --shadow-soft: 0 4px 20px rgba(0,0,0,0.1);
    --bg-primary: #F5F5F5;
    --bg-secondary: #FFFFFF;
    --text-primary: #333333;
    --text-muted: #666666;
    --text-faint: #888888;
    --table-stripe: #f8f9fa;
    --success-bg: #d4edda;
    --success-text: #155724;
    --danger-bg: #f8d7da;
    --danger-text: #721c24;
    --info-bg: #d1ecf1;
    --info-text: #0c5460;
    --warning-bg: #fff3cd;
    --warning-text: #856404;
    --slot-available-bg: rgba(255,255,255,0.9);
    --slot-available-border: #ddd;
    --slot-booked-bg: #f5f5f5;
    --slot-booked-text: #aaa;
    --fc-bg-event: #003366;
    --fc-text-event: #ffffff;
}

/* ===== Dark Mode ===== */
[data-theme="dark"] {
    --primary-color: #1a3055;
    --primary-hover: #2a4878;
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --text-primary: #f5f5f5;
    --text-muted: #b0b0b0;
    --text-faint: #7a7a7a;
    --border-color: #2a3f5f;
    --card-bg: #16213e;
    --table-stripe: #1e2a4a;
    --shadow-soft: 0 4px 20px rgba(0,0,0,0.4);
    --success-bg: #1a3d2a;
    --success-text: #6fcf97;
    --danger-bg: #3d1a1a;
    --danger-text: #f17070;
    --info-bg: #1a3a4a;
    --info-text: #6dd5ed;
    --warning-bg: #3d3217;
    --warning-text: #ffd97a;
    --slot-available-bg: rgba(255,255,255,0.06);
    --slot-available-border: #3a4a5f;
    --slot-available-text: #aaa;
    --slot-booked-bg: #2a2a3a;
    --slot-booked-text: #888888;
    --fc-bg-event: #5b8dd9;
    --secondary-color: #5a6c7d;
    --success-color: #6fcf97;
    --info-color: #6dd5ed;
    --warning-color: #ffd97a;
    --danger-color: #f17070;
    --fc-text-event: #ffffff;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --primary-color: #1a3055;
        --primary-hover: #2a4878;
        --bg-primary: #1a1a2e;
        --bg-secondary: #16213e;
        --text-primary: #f5f5f5;
        --text-muted: #b0b0b0;
        --text-faint: #7a7a7a;
        --border-color: #2a3f5f;
        --card-bg: #16213e;
        --table-stripe: #1e2a4a;
        --shadow-soft: 0 4px 20px rgba(0,0,0,0.4);
        --success-bg: #1a3d2a;
        --success-text: #6fcf97;
        --danger-bg: #3d1a1a;
        --danger-text: #f17070;
        --info-bg: #1a3a4a;
        --info-text: #6dd5ed;
        --warning-bg: #3d3217;
        --warning-text: #ffd97a;
        --slot-available-bg: rgba(255,255,255,0.08);
        --slot-available-border: #3a4a5f;
        --slot-booked-bg: #2a2a3a;
        --slot-booked-text: #888888;
    }
}

[data-theme="dark"] body {
    background-color: var(--bg-primary) !important;
    color: var(--text-primary);
}

[data-theme="dark"] main {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4 {
    color: #ffffff;
}

[data-theme="dark"] .card-panel,
[data-theme="dark"] .auth-card,
[data-theme="dark"] .modal-content {
    background: var(--bg-secondary);
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--text-primary);
    box-shadow: 0 2px 12px rgba(0,0,0,0.25);
}

/* Auth page dark mode */
[data-theme="dark"] body.auth-page {
    background-color: var(--bg-primary) !important;
}
[data-theme="dark"] body.auth-page main {
    background: transparent !important;
}
[data-theme="dark"] .auth-card {
    background: var(--bg-secondary) !important;
    color: var(--text-primary);
}
[data-theme="dark"] .auth-card h2 {
    color: #ffffff;
}
[data-theme="dark"] .auth-form-group label {
    color: #cccccc !important;
}
[data-theme="dark"] .auth-input {
    background: #1a2d4a !important;
    border-color: #3a4a5f !important;
    color: #f5f5f5 !important;
}
[data-theme="dark"] .auth-input:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(91, 141, 217, 0.25) !important;
    background: #1a2d4a !important;
    color: #f5f5f5 !important;
}
[data-theme="dark"] .auth-btn {
    background: var(--primary-color) !important;
    color: #ffffff !important;
}
[data-theme="dark"] .auth-btn:hover {
    background: rgba(255,255,255,0.15) !important;
}
[data-theme="dark"] .auth-footer {
    color: #aabbcc !important;
}
[data-theme="dark"] .auth-footer a {
    color: #8ab4f8 !important;
}
[data-theme="dark"] .auth-footer a:hover {
    color: #a8c8ff !important;
}

[data-theme="dark"] .text-muted,
[data-theme="dark"] .small.text-muted {
    color: var(--text-muted) !important;
}

/* Theme Toggle Bar */
.theme-toggle-bar {
    display: flex;
    justify-content: flex-end;
    padding: 8px 1rem;
    background: transparent;
    border: none;
}

.theme-toggle-container {
    display: flex;
    gap: 0;
    position: relative;
    background: rgba(0, 0, 0, 0.08);
    border-radius: 24px;
    padding: 4px;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
}

.theme-toggle-indicator {
    position: absolute;
    top: 4px;
    left: 4px;
    height: calc(100% - 8px);
    background: var(--bg-secondary);
    border-radius: 20px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15), 0 1px 2px rgba(0,0,0,0.1);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), width 0.35s ease, opacity 0.2s ease;
    pointer-events: none;
    z-index: 0;
    opacity: 0; /* hidden until positioned by JS */
}

.theme-toggle-container.indicator-ready .theme-toggle-indicator {
    opacity: 1;
}

.theme-toggle-btn {
    position: relative;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 6px 14px;
    border-radius: 20px;
    color: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s ease;
    z-index: 1;
    flex: 1;
}

.theme-toggle-btn:hover {
    color: rgba(0,0,0,0.8);
}

.theme-toggle-btn.active {
    color: rgba(0,0,0,0.9);
}

/* Dark mode */
[data-theme="dark"] .theme-toggle-container {
    background: rgba(255,255,255,0.1);
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.2);
}

[data-theme="dark"] .theme-toggle-indicator {
    background: rgba(255,255,255,0.2);
}

[data-theme="dark"] .theme-toggle-btn {
    color: rgba(255,255,255,0.5);
}

[data-theme="dark"] .theme-toggle-btn:hover {
    color: rgba(255,255,255,0.85);
}

[data-theme="dark"] .theme-toggle-btn.active {
    color: #fff;
}

.classroom-alert-success {
    background-color: var(--success-bg);
    color: var(--success-text);
    border: 1px solid var(--success-color);
    padding: 15px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    text-align: center;
}
.classroom-alert-danger {
    background-color: var(--danger-bg);
    color: var(--danger-text);
    border: 1px solid var(--danger-color);
    padding: 15px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    text-align: center;
}

/* ===== Booking Status Classes ===== */
.booking-status-approved { color: #28a745; }
.booking-status-pending  { color: #b8860b; }
.booking-status-modification { color: #e67e22; }

[data-theme="dark"] .booking-status-approved   { color: #6fcf97; }
[data-theme="dark"] .booking-status-pending   { color: #ffd97a; }
[data-theme="dark"] .booking-status-modification { color: #f39c12; }

/* Legend classes */
.legend-approved    { background: #28a745 !important; color: white; }
.legend-changed     { background: #17a2b8 !important; color: white; }
.legend-pending     { background: #ffc107 !important; color: var(--text-primary); }
.legend-past        { background: #ccc !important; color: var(--text-primary); }

[data-theme="dark"] .legend-approved  { background: #6fcf97 !important; }
[data-theme="dark"] .legend-changed   { background: #6dd5ed !important; color: #003344 !important; }
[data-theme="dark"] .legend-pending   { background: #ffd97a !important; color: #4a3500 !important; }
[data-theme="dark"] .legend-past      { background: #555 !important; color: #e4e4e4; }

/* Slot items */
[data-theme="dark"] .slot-item {
    background: var(--slot-available-bg);
    border: 1px solid var(--slot-available-border);
    color: var(--text-primary);
}
[data-theme="dark"] .slot-item.booked {
    background: var(--slot-booked-bg);
    color: var(--slot-booked-text);
}

/* Admin Buildings — list & form dark mode */
[data-theme="dark"] .admin-bld-title {
    color: #fff;
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}
[data-theme="dark"] .admin-bld-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: rgba(255,255,255,0.7);
    border-radius: 2px;
}
[data-theme="dark"] .admin-bld-btn-back { background: var(--bg-secondary); color: var(--text-muted); border-color: var(--border-color); }
[data-theme="dark"] .admin-bld-alert-success { background: var(--success-bg) !important; color: var(--success-text) !important; border-color: var(--success-text) !important; }
[data-theme="dark"] .admin-bld-add-wrap a.btn-primary { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }
[data-theme="dark"] .admin-list-table { background: var(--bg-secondary); }
[data-theme="dark"] .admin-list-table td,
[data-theme="dark"] .admin-list-table th { border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .admin-list-thead th { background-color: var(--primary-color); color: #fff; border-color: var(--primary-color); }
[data-theme="dark"] tr:nth-child(even) td { background: var(--table-stripe); }
[data-theme="dark"] .admin-bld-row-middle td { background: transparent; vertical-align: middle; }
[data-theme="dark"] tr:nth-child(even) .admin-bld-row-middle td { background: var(--table-stripe); }
[data-theme="dark"] .admin-bld-photo-thumbnail { border-color: var(--border-color); }
[data-theme="dark"] .admin-bld-photo-empty { color: var(--text-muted); }
[data-theme="dark"] .admin-bld-action-group .btn-action-warning { background: var(--warning-bg); color: var(--warning-text); }
[data-theme="dark"] .admin-bld-action-group .btn-action-danger { background: var(--danger-bg); color: var(--danger-text); }

[data-theme="dark"] .admin-bld-form-title { color: #fff; position: relative; display: inline-block; padding-bottom: 10px; }
[data-theme="dark"] .admin-bld-form-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: rgba(255,255,255,0.7);
    border-radius: 2px;
}
[data-theme="dark"] .admin-bld-form-container { background: var(--bg-secondary); box-shadow: var(--shadow-soft); }
[data-theme="dark"] .admin-bld-form-label { color: var(--text-muted); }
[data-theme="dark"] .admin-bld-form-input,
[data-theme="dark"] .admin-bld-form-textarea,
[data-theme="dark"] .admin-bld-form-select { background: var(--bg-primary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .admin-bld-divider { border-color: var(--border-color); }
[data-theme="dark"] .admin-bld-existing-photos { }
[data-theme="dark"] .admin-bld-photo-item { color: var(--text-muted); }
[data-theme="dark"] .admin-bld-photo-img { border-color: var(--border-color); }
[data-theme="dark"] .btn-bld-save { background: var(--primary-color); color: #fff; }
[data-theme="dark"] .btn-bld-cancel { color: var(--text-muted); }

/* Admin Equipment — list & form dark mode */
[data-theme="dark"] .admin-eq-title {
    color: #fff;
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}
[data-theme="dark"] .admin-eq-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: rgba(255,255,255,0.7);
    border-radius: 2px;
}
[data-theme="dark"] .admin-eq-btn-back { background: var(--bg-secondary); color: var(--text-muted); border-color: var(--border-color); }
[data-theme="dark"] .admin-eq-alert-success { background: var(--success-bg) !important; color: var(--success-text) !important; border-color: var(--success-text) !important; }
[data-theme="dark"] .admin-eq-add-wrap a.btn-primary { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }
[data-theme="dark"] .admin-eq-row-middle td { background: transparent; vertical-align: middle; color: var(--text-primary); }
[data-theme="dark"] tr:nth-child(even) .admin-eq-row-middle td { background: var(--table-stripe); }
[data-theme="dark"] .admin-eq-action-group .btn-action-warning { background: var(--warning-bg); color: var(--warning-text); }
[data-theme="dark"] .admin-eq-action-group .btn-action-danger { background: var(--danger-bg); color: var(--danger-text); }

[data-theme="dark"] .admin-eq-form-title { color: #fff; position: relative; display: inline-block; padding-bottom: 10px; }
[data-theme="dark"] .admin-eq-form-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: rgba(255,255,255,0.7);
    border-radius: 2px;
}
[data-theme="dark"] .admin-eq-form-container { background: var(--bg-secondary); box-shadow: var(--shadow-soft); }
[data-theme="dark"] .admin-eq-form-label { color: var(--text-muted); }
[data-theme="dark"] .admin-eq-form-input,
[data-theme="dark"] .admin-eq-form-textarea,
[data-theme="dark"] .admin-eq-form-select { background: var(--bg-primary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .btn-eq-save { background: var(--primary-color); color: #fff; }
[data-theme="dark"] .btn-eq-cancel { color: var(--text-muted); }

/* Admin Semester — list & form dark mode */
[data-theme="dark"] .inline-success-msg { background: var(--success-bg) !important; color: var(--success-text) !important; border-color: var(--success-text) !important; }
[data-theme="dark"] .admin-list-header a.btn.btn-secondary { background: var(--bg-secondary); color: var(--text-muted); border-color: var(--border-color); }

[data-theme="dark"] .admin-sem-form-title { color: #fff; position: relative; display: inline-block; padding-bottom: 10px; }
[data-theme="dark"] .admin-sem-form-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: rgba(255,255,255,0.7);
    border-radius: 2px;
}
[data-theme="dark"] .admin-sem-form-container { background: var(--bg-secondary); box-shadow: var(--shadow-soft); }
[data-theme="dark"] .admin-sem-form-label { color: var(--text-muted); }
[data-theme="dark"] .admin-sem-form-input,
[data-theme="dark"] .admin-sem-form-select { background: var(--bg-primary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .btn-sem-save { background: var(--primary-color); color: #fff; }
[data-theme="dark"] .btn-sem-cancel { color: var(--text-muted); }

/* Admin Slot — list & form dark mode */
[data-theme="dark"] .admin-slot-form-title { color: #fff; position: relative; display: inline-block; padding-bottom: 10px; }
[data-theme="dark"] .admin-slot-form-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: rgba(255,255,255,0.7);
    border-radius: 2px;
}
[data-theme="dark"] .admin-slot-form-container { background: var(--bg-secondary); box-shadow: var(--shadow-soft); }
[data-theme="dark"] .admin-slot-form-label { color: var(--text-muted); }
[data-theme="dark"] .admin-slot-form-input,
[data-theme="dark"] .admin-slot-form-select { background: var(--bg-primary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .btn-slot-save { background: var(--primary-color); color: #fff; }
[data-theme="dark"] .btn-slot-cancel { color: var(--text-muted); }

/* Admin Classroom — list & form dark mode */
/* List page */
[data-theme="dark"] .admin-classroom-list-table-wrap { /* reserve */ }
[data-theme="dark"] .photo-container { position: relative; display: inline-block; }
[data-theme="dark"] .photo-thumbnail { border: 1px solid var(--border-color); }
[data-theme="dark"] .photo-hover { display: none; position: absolute; top: 0; left: 60px; width: 200px; height: 200px; object-fit: cover; border: 3px solid var(--bg-secondary); box-shadow: 0 4px 12px rgba(0,0,0,0.2); border-radius: 8px; z-index: 100; background: var(--bg-secondary); }
[data-theme="dark"] .photo-container:hover .photo-hover { display: block; }
[data-theme="dark"] .text-muted-sm { color: var(--text-muted); }

/* Form page */
[data-theme="dark"] .admin-cls-form-title { color: #fff; position: relative; display: inline-block; padding-bottom: 10px; }
[data-theme="dark"] .admin-cls-form-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: rgba(255,255,255,0.7);
    border-radius: 2px;
}
[data-theme="dark"] h3.admin-cls-form-title::after { display: none; }
[data-theme="dark"] .admin-cls-form-title { color: #fff; font-size: 1.25rem; font-weight: bold; display: block; padding-bottom: 0; }
[data-theme="dark"] .admin-cls-form-title + h3.admin-cls-form-title { color: #fff; font-size: 1.1rem; font-weight: bold; display: block; padding-bottom: 0; margin-top: 0; }
[data-theme="dark"] .admin-cls-form-container { background: var(--bg-secondary); box-shadow: var(--shadow-soft); border-radius: 10px; }
[data-theme="dark"] .admin-cls-form-group { margin-bottom: 20px; text-align: left; }
[data-theme="dark"] .admin-cls-form-label { color: var(--text-muted); font-weight: bold; margin-bottom: 8px; display: block; }
[data-theme="dark"] .admin-cls-form-input,
[data-theme="dark"] .admin-cls-form-select { background: var(--bg-primary); border: 1px solid var(--border-color); color: var(--text-primary); width: 100%; padding: 10px; border-radius: 4px; box-sizing: border-box; font-size: 14px; }
[data-theme="dark"] .admin-cls-form-container hr { border-color: var(--border-color); }
[data-theme="dark"] .admin-cls-eq-grid { display: flex; flex-wrap: wrap; gap: 15px; }
[data-theme="dark"] .admin-cls-eq-item { display: flex; align-items: center; gap: 8px; }
[data-theme="dark"] .admin-cls-eq-input { background: var(--bg-primary); border: 1px solid var(--border-color); color: var(--text-primary); width: 60px; padding: 5px; border-radius: 4px; text-align: center; }
[data-theme="dark"] .admin-cls-eq-item span { color: var(--text-primary); }
[data-theme="dark"] .admin-cls-existing-photos { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 15px; }
[data-theme="dark"] .admin-cls-photo-item { text-align: center; font-size: 0.8rem; color: var(--text-muted); }
[data-theme="dark"] .admin-cls-photo-img { width: 100px; height: 100px; object-fit: cover; border-radius: 4px; border: 1px solid var(--border-color); }
[data-theme="dark"] .btn-cls-save { background: var(--primary-color); color: white; padding: 10px 20px; border: none; border-radius: 4px; cursor: pointer; font-size: 1rem; font-weight: bold; }
[data-theme="dark"] .btn-cls-cancel { color: var(--text-muted); text-decoration: none; font-size: 0.9rem; }

/* Classroom Booking Form — dark mode */
[data-theme="dark"] .booking-form-title { color: #fff; }
[data-theme="dark"] .booking-form-container { background: var(--bg-secondary); border-color: var(--border-color); }
[data-theme="dark"] .booking-form-label { color: var(--text-muted); }
[data-theme="dark"] .booking-form-input,
[data-theme="dark"] .booking-form-select { background: var(--bg-primary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .classroom-info-box { background: var(--bg-secondary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .room-info-name { color: var(--text-primary); }
[data-theme="dark"] .room-info-grid { color: var(--text-primary); }
[data-theme="dark"] .room-info-label { color: var(--text-muted); }
[data-theme="dark"] .room-info-value { color: var(--primary-color); }
[data-theme="dark"] .room-info-value-plain { color: var(--text-primary); }
[data-theme="dark"] .room-photo-container { background: var(--bg-primary); border-color: var(--border-color); }
[data-theme="dark"] .room-photo-empty-text { color: var(--text-muted); }
[data-theme="dark"] .booking-type-divider { border-color: var(--border-color); }
[data-theme="dark"] .periodic-booking-box { background: var(--bg-primary); border-color: var(--border-color); }
[data-theme="dark"] .periodic-day-label { color: var(--text-primary); }
[data-theme="dark"] .periodic-day-label input[type="checkbox"] { accent-color: var(--primary-color); }
[data-theme="dark"] .slots-section-divider { color: var(--text-primary); }
[data-theme="dark"] .slot-item { background: var(--slot-available-bg); border-color: var(--slot-available-border); color: var(--text-primary); }
[data-theme="dark"] .slot-item .slot-item-time { color: var(--slot-available-text, var(--text-muted)); }
[data-theme="dark"] .room-photos-dialog { background: var(--bg-secondary); }
[data-theme="dark"] .room-photos-title { color: var(--text-primary); }
[data-theme="dark"] .room-photos-close { color: var(--text-muted); }
[data-theme="dark"] .room-photo-card { background: var(--bg-primary); border-color: var(--border-color); }
[data-theme="dark"] .building-dialog { background: var(--bg-secondary); color: var(--text-primary); }
[data-theme="dark"] .building-title { color: var(--text-primary); }
[data-theme="dark"] .building-address { color: var(--text-muted); }
[data-theme="dark"] .building-close { color: var(--text-muted); }
[data-theme="dark"] .building-photo-card { background: var(--bg-primary); border-color: var(--border-color); }

/* FullCalendar dark mode */
[data-theme="dark"] .fc {
    --fc-border-color: var(--border-color);
    --fc-button-bg-color: var(--primary-color);
    --fc-button-border-color: var(--primary-color);
    --fc-button-hover-bg-color: var(--primary-hover);
    --fc-button-hover-border-color: var(--primary-hover);
    --fc-button-active-bg-color: var(--primary-hover);
    --fc-page-bg-color: var(--bg-secondary);
    --fc-neutral-bg-color: var(--bg-primary);
    --fc-list-event-hover-bg-color: var(--bg-primary);
}
[data-theme="dark"] .fc .fc-toolbar-title,
[data-theme="dark"] .fc-daygrid-day-number,
[data-theme="dark"] .fc-col-header-cell-cushion {
    color: var(--text-primary);
}
[data-theme="dark"] .fc td,
[data-theme="dark"] .fc th {
    border-color: var(--border-color);
}
[data-theme="dark"] .fc-event {
    opacity: 0.9;
}
[data-theme="dark"] .fc .fc-scrollgrid {
    border-color: var(--border-color);
}
[data-theme="dark"] .fc-timegrid-slot-label-cushion,
[data-theme="dark"] .fc-col-header-cell-cushion {
    color: var(--text-primary);
}

/* Table dark mode */
[data-theme="dark"] .table {
    color: var(--text-primary);
}
[data-theme="dark"] .table thead tr th {
    background: var(--bg-primary);
    color: #fff;
    border-color: var(--border-color);
}
[data-theme="dark"] .table tbody td {
    color: var(--text-primary) !important;
}
[data-theme="dark"] .table tbody tr:nth-child(even) td {
    background: var(--table-stripe) !important;
}
[data-theme="dark"] .table tbody tr:nth-child(odd) td {
    background: var(--bg-secondary) !important;
}
[data-theme="dark"] .table td:hover {
    border-color: var(--border-color);
    color: var(--text-primary);
}

/* Alert / status bg classes */
.alert-success,
.classroom-alert-success {
    background-color: var(--success-bg, #d4edda);
    color: var(--success-text, #155724);
    border-color: var(--success-text, #155724);
}
[data-theme="dark"] .alert-success,
[data-theme="dark"] .classroom-alert-success {
    background: var(--success-bg);
    color: var(--success-text);
    border-color: var(--success-text);
}
.alert-danger {
    background-color: var(--danger-bg, #f8d7da);
    color: var(--danger-text, #721c24);
    border-color: var(--danger-text, #721c24);
}
.alert-info {
    background-color: var(--info-bg, #d1ecf1);
    color: var(--info-text, #0c5460);
    border-color: var(--info-text, #0c5460);
}
.alert-warning {
    background-color: var(--warning-bg, #fff3cd);
    color: var(--warning-text, #856404);
    border-color: var(--warning-text, #856404);
}
[data-theme="dark"] .alert-danger {
    background: var(--danger-bg);
    color: var(--danger-text);
    border-color: var(--danger-text);
}
[data-theme="dark"] .alert-info,
[data-theme="dark"] .classroom-alert-info {
    background: var(--info-bg);
    color: var(--info-text);
    border-color: var(--info-text);
}
[data-theme="dark"] .alert-warning {
    background: var(--warning-bg);
    color: var(--warning-text);
    border-color: var(--warning-text);
}

/* Form controls */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}
[data-theme="dark"] .form-control:disabled,
[data-theme="dark"] .form-select:disabled {
    background: var(--bg-primary);
    color: var(--text-muted);
}
[data-theme="dark"] .input-group-text {
    background: var(--bg-primary) !important;
    border-color: var(--border-color) !important;
    color: var(--text-muted) !important;
}

/* Button overrides */
[data-theme="dark"] .btn-outline-secondary {
    border-color: var(--border-color);
    color: var(--text-primary);
}
[data-theme="dark"] .btn-outline-secondary:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
}
[data-theme="dark"] .btn-small {
    background: var(--bg-primary);
    color: var(--text-primary) !important;
    border-color: var(--border-color);
}
[data-theme="dark"] .btn-small:hover {
    background: var(--border-color);
}

/* Pagination */
[data-theme="dark"] .pagination-bar {
    background: var(--bg-primary);
    border-color: var(--border-color);
    color: var(--text-primary);
}
[data-theme="dark"] .pagination-bar .text-muted {
    color: var(--text-muted) !important;
}
[data-theme="dark"] #page-numbers .page-num-btn {
    color: var(--text-primary);
    background: var(--bg-secondary);
    border-color: var(--border-color);
}
[data-theme="dark"] #page-numbers .page-num-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}
[data-theme="dark"] #page-numbers .page-num-btn:hover {
    background: var(--bg-primary);
}

/* Modal overlay */
[data-theme="dark"] .modal-overlay {
    background: rgba(0,0,0,0.7);
}
[data-theme="dark"] .modal-content {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}
[data-theme="dark"] .classroom-modal-close {
    color: var(--text-muted);
}
[data-theme="dark"] .classroom-modal-close:hover {
    color: var(--text-primary);
}
[data-theme="dark"] .modal-footer {
    border-color: var(--border-color);
}

/* Admin panel overrides */
[data-theme="dark"] .admin-container {
    color: var(--text-primary);
}
[data-theme="dark"] .card-panel-highlight {
    background: var(--bg-secondary) !important;
    border-color: var(--border-color) !important;
}
[data-theme="dark"] .admin-ann-title { color: #fff; font-weight: bold; }
[data-theme="dark"] .admin-ann-form-title { color: #fff; }
[data-theme="dark"] .admin-ann-form-header { border-color: var(--border-color); }
[data-theme="dark"] .admin-ann-btn-primary { background-color: var(--primary-color); color: #fff; border: none; }
[data-theme="dark"] .admin-ann-btn-secondary { background: #4a5568; color: #fff; }
[data-theme="dark"] .admin-ann-grid { gap: 25px; }
[data-theme="dark"] .admin-ann-card { background: var(--bg-secondary); border-color: var(--border-color); }
[data-theme="dark"] .admin-ann-card-body { color: var(--text-primary); }
[data-theme="dark"] .admin-ann-form-label { color: var(--text-muted); }
[data-theme="dark"] .admin-ann-form-control { background: var(--bg-primary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .admin-ann-form-select { background: var(--bg-primary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .admin-ann-section-title { color: var(--text-primary); }
[data-theme="dark"] .admin-ann-file-icon-container { border-color: var(--border-color); }
[data-theme="dark"] .admin-ann-file-info { color: var(--text-muted); }
[data-theme="dark"] .admin-ann-file-info-strong { color: var(--text-primary); }
[data-theme="dark"] .admin-ann-upload-zone { border-color: var(--border-color) !important; background: var(--bg-primary); }
[data-theme="dark"] .admin-ann-attachment-item { background: var(--bg-primary) !important; border-color: var(--border-color) !important; color: var(--text-primary); }
[data-theme="dark"] .admin-ann-attachment-item .text-muted { color: var(--text-muted) !important; }
[data-theme="dark"] .admin-ann-preview-file-item { background: var(--bg-primary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .admin-ann-preview-file-name { color: var(--text-primary); }
[data-theme="dark"] .admin-ann-preview-file-input { background: var(--bg-secondary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .admin-ann-quill-wrapper .ql-toolbar { background: var(--bg-primary); border-color: var(--border-color); }
[data-theme="dark"] .admin-ann-quill-wrapper .ql-container { background: var(--bg-secondary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .admin-ann-quill-wrapper .ql-editor { color: var(--text-primary); }

/* Announcement category form — dark mode */
[data-theme="dark"] .ann-cat-form-title { color: #fff !important; }
[data-theme="dark"] .ann-cat-form-title::after { content: ""; display: block; width: 60px; height: 3px; background: rgba(255,255,255,0.7); margin-top: 8px; border-radius: 2px; }
html[data-theme="dark"] .card { background: var(--bg-secondary) !important; border-color: var(--border-color) !important; color: var(--text-primary) !important; }
html[data-theme="dark"] .form-label { color: #c8d8e8 !important; }
html[data-theme="dark"] .form-control { background-color: #0f1c30 !important; border-color: #3a4a5f !important; color: #f5f5f5 !important; }
html[data-theme="dark"] .form-control::placeholder { color: #7a9ab8 !important; }
html[data-theme="dark"] .form-control:focus { background-color: #0f1c30 !important; border-color: #6a8ab8 !important; color: #ffffff !important; box-shadow: 0 0 0 0.2rem rgba(26,48,85,0.6) !important; }

/* admin_announcement_categories dark mode */
[data-theme="dark"] .section-heading-primary { color: #fff !important; }
[data-theme="dark"] .admin-cat-list-title { color: #fff; font-weight: bold; margin-bottom: 30px; position: relative; padding-bottom: 10px; }
[data-theme="dark"] .admin-cat-list-title::after { content: ""; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 60px; height: 3px; background: rgba(255,255,255,0.7); border-radius: 2px; }
[data-theme="dark"] .add-role-box { background: var(--bg-secondary) !important; border-color: var(--border-color) !important; }
[data-theme="dark"] .add-role-box h3 { color: #fff !important; }
[data-theme="dark"] .admin-table th { background: var(--primary-color) !important; color: #fff !important; }
[data-theme="dark"] .admin-table td { background: var(--bg-secondary) !important; color: var(--text-primary) !important; border-color: var(--border-color) !important; }
[data-theme="dark"] .admin-table tr:nth-child(even) td { background: var(--bg-primary) !important; }
[data-theme="dark"] .category-name-input-field { background: #0f1c30 !important; border-color: #3a4a5f !important; color: #f5f5f5 !important; }
[data-theme="dark"] .admin-ann-search-text { background: var(--bg-secondary) !important; color: var(--text-muted) !important; }
[data-theme="dark"] .admin-ann-search-group .form-control { background: var(--bg-primary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .admin-ann-table-panel { background: var(--bg-secondary); border-radius: 0 0 8px 8px; overflow: hidden; }
[data-theme="dark"] .admin-ann-table-panel .table { color: var(--text-primary); }
[data-theme="dark"] .admin-ann-table-panel .table thead { background: var(--bg-primary) !important; }
[data-theme="dark"] .admin-ann-table-panel .table thead tr th { background: var(--bg-primary) !important; color: #fff !important; border-color: var(--border-color) !important; }
[data-theme="dark"] .admin-ann-table-panel .table td { background: var(--bg-secondary) !important; color: var(--text-primary) !important; border-color: var(--border-color) !important; }
[data-theme="dark"] .admin-ann-table-panel .table tbody tr:nth-child(even) td { background: var(--table-stripe) !important; }
[data-theme="dark"] .admin-ann-table-panel .table tbody tr:hover td { background: #1c2d47 !important; }
[data-theme="dark"] .admin-ann-row-date { color: var(--text-muted); }
[data-theme="dark"] .admin-ann-link-title { color: #8ab4f8 !important; }
[data-theme="dark"] .admin-ann-btn-edit { color: #8ab4f8; border-color: #8ab4f8; background: transparent; }
[data-theme="dark"] .admin-ann-btn-delete { color: #f17070; border-color: #f17070; background: transparent; }
[data-theme="dark"] .admin-ann-pagination-container { border-color: var(--border-color); color: var(--text-muted); }
[data-theme="dark"] .admin-ann-page-meta { color: var(--text-muted); }
[data-theme="dark"] .admin-ann-limit-select { background: var(--bg-primary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .admin-ann-custom-limit { background: var(--bg-primary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .page-num { background: var(--bg-secondary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .page-num.active { background: var(--primary-color); border-color: var(--primary-color); color: #fff; }
[data-theme="dark"] .admin-ann-preview-dialog { background: var(--bg-secondary); }
[data-theme="dark"] .admin-ann-preview-header { background: var(--bg-primary); border-color: var(--border-color) !important; }
[data-theme="dark"] .admin-ann-preview-title { color: #fff; }
[data-theme="dark"] .admin-ann-preview-close { color: #c0c0c0; }
[data-theme="dark"] .admin-ann-preview-footer { background: var(--bg-primary); border-color: var(--border-color) !important; }
[data-theme="dark"] .admin-ann-preview-footer-btn { color: #8ab4f8; border-color: var(--border-color); background: transparent; }
[data-theme="dark"] .admin-ann-preview-content-wrapper { color: var(--text-primary); }
[data-theme="dark"] .admin-ann-preview-content-wrapper .ann-meta { color: #9abcde !important; background: transparent; }
[data-theme="dark"] .admin-ann-preview-content-wrapper .text-muted { color: #9abcde !important; }
[data-theme="dark"] .admin-ann-preview-content-wrapper a { color: #8ab4f8 !important; }
[data-theme="dark"] .admin-ann-preview-content-wrapper .badge { background: var(--info-bg) !important; color: var(--info-text) !important; }

/* Admin Control Bar — unified search + limit row */
.admin-control-bar {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px 8px 0 0;
    padding: 12px 16px;
}
.admin-control-bar-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.admin-search-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 280px;
    max-width: 600px;
}
.admin-search-input {
    flex: 1;
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: border-color 0.2s;
}
.admin-search-input:focus {
    outline: none;
    border-color: var(--primary-color);
}
.admin-limit-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.admin-limit-label {
    font-size: 0.88rem;
    color: var(--text-muted);
    white-space: nowrap;
    margin: 0;
}
.admin-limit-select {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.88rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
}
.admin-limit-custom-wrap {
    display: none;
    align-items: center;
    gap: 6px;
}
.admin-limit-custom {
    width: 72px;
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.88rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
}
.admin-table-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 8px 8px;
    overflow: hidden;
}
.admin-pagination {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.pagination-controls { display: flex; align-items: center; gap: 8px; }
.page-numbers { display: flex; gap: 4px; }
.btn-page {
    padding: 5px 11px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 0.88rem;
    color: var(--text-primary);
    background: transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
}
.btn-page:hover { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }
.btn-page.active { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }
.pagination-info { font-size: 0.85rem; color: var(--text-muted); }

/* Admin Users — dark overrides */
[data-theme="dark"] .admin-user-title { color: #fff; }
[data-theme="dark"] .admin-alert-success {
    background: var(--success-bg) !important;
    color: var(--success-text) !important;
    border-color: rgba(255,255,255,0.1) !important;
}
[data-theme="dark"] .admin-control-bar { background: #1a2d4a; border-color: #2a3f5f; }
[data-theme="dark"] .admin-search-input,
[data-theme="dark"] .admin-limit-select,
[data-theme="dark"] .admin-limit-custom { background: #0f1c30; border-color: #3a4a5f; color: #f5f5f5; }
[data-theme="dark"] .admin-limit-label { color: #9abcde; }
[data-theme="dark"] .admin-table-panel { background: var(--bg-secondary); border-color: #2a3f5f; }
[data-theme="dark"] .admin-pagination { background: #1a2d4a; border-color: #2a3f5f; }
[data-theme="dark"] .btn-page { color: #c0c0c0; background: var(--bg-secondary); border-color: #3a4a5f; }
[data-theme="dark"] .btn-page:hover { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }
[data-theme="dark"] .btn-page.active { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }
[data-theme="dark"] .pagination-info { color: #8aacca; }

/* Admin Users — table panel & table */
.admin-table-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 8px 8px;
    overflow: hidden;
}
.admin-table-panel .table {
    margin: 0;
    font-size: 0.9rem;
    background: transparent;
}
.admin-table-panel .table th {
    background: #f0f0f0;
    color: var(--text-primary);
    font-weight: 600;
    padding: 10px 12px;
    border-bottom: 2px solid #ddd;
    white-space: nowrap;
}
.admin-table-panel .table td {
    background: var(--bg-secondary) !important;
    color: var(--text-primary);
    padding: 9px 12px;
    vertical-align: middle;
    border-color: #e0e0e0;
}
.admin-table-panel .table tbody tr:nth-child(even) td {
    background: #f8f8f8 !important;
    color: var(--text-primary);
}
.admin-table-panel .table tbody tr:hover td {
    background: #e8f0fe !important;
    color: var(--text-primary);
}

/* Admin Users — table dark */
[data-theme="dark"] .admin-table-panel {
    background: #16213e;
    border-color: #2a3f5f;
}
[data-theme="dark"] .admin-control-bar { background: #1a2d4a; border-color: #2a3f5f; }
[data-theme="dark"] .admin-search-input,
[data-theme="dark"] .admin-limit-select,
[data-theme="dark"] .admin-limit-custom { background: #0f1c30; border-color: #3a4a5f; color: #f5f5f5; }
[data-theme="dark"] .admin-limit-label { color: #9abcde; }
[data-theme="dark"] .admin-pagination { background: #1a2d4a; border-color: #2a3f5f; }
[data-theme="dark"] .btn-page { color: #c0c0c0; background: #16213e; border-color: #3a4a5f; }
[data-theme="dark"] .btn-page:hover { background: #1a3055; color: #fff; border-color: #1a3055; }
[data-theme="dark"] .btn-page.active { background: #1a3055; color: #fff; border-color: #1a3055; }
[data-theme="dark"] .pagination-info { color: #8aacca; }
[data-theme="dark"] .admin-table-panel .table th {
    background: #0f1c30;
    color: #fff;
    border-color: #2a3f5f;
}
[data-theme="dark"] .admin-table-panel .table td {
    background: #16213e !important;
    color: #f5f5f5 !important;
    border-color: #2a3f5f;
}
[data-theme="dark"] .admin-table-panel .table tbody tr:nth-child(even) td {
    background: #1a2a4a !important;
}
[data-theme="dark"] .admin-table-panel .table tbody tr:hover td {
    background: #1c2d47 !important;
}

/* News dark */
[data-theme="dark"] .news-page-title {
    color: #fff;
}
[data-theme="dark"] .news-page-title::after {
    background: rgba(255,255,255,0.7);
}
[data-theme="dark"] .news-table-wrapper {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}
[data-theme="dark"] .news-table-wrapper .table thead {
    background: var(--bg-primary) !important;
    color: #fff !important;
}
[data-theme="dark"] .news-table-wrapper .table thead tr th {
    background: var(--bg-primary) !important;
    color: #fff !important;
    border-color: var(--border-color);
}
[data-theme="dark"] .news-table-wrapper .table thead tr th:last-child {
    background: var(--table-stripe) !important;
}
/* override last-child stripe for meeting-minutes & resources actions column header */
[data-theme="dark"] .news-table-wrapper .table thead tr th#th-actions,
[data-theme="dark"] .news-table-wrapper .table thead tr th#th-resource-actions {
    background: var(--bg-primary) !important;
}
[data-theme="dark"] .news-table-wrapper .table tbody td {
    color: #f5f5f5 !important;
    background: var(--bg-secondary);
    border-color: var(--border-color);
}
[data-theme="dark"] .news-table-wrapper .table tbody td a {
    color: #f0f0f0 !important;
    font-weight: 500;
}
[data-theme="dark"] .news-table-wrapper .table tbody tr:nth-child(even) td {
    background: var(--table-stripe);
}
[data-theme="dark"] .news-table-wrapper .table.table-hover tbody tr:hover > td,
[data-theme="dark"] .news-table-wrapper .table.table-hover tbody tr:hover > th {
    background-color: transparent !important;
    color: #f5f5f5 !important;
}
[data-theme="dark"] .news-table-wrapper .table tbody tr:hover td,
[data-theme="dark"] .news-table-wrapper .table tbody tr:hover th {
    background-color: transparent !important;
    color: #f5f5f5 !important;
}
[data-theme="dark"] .news-table-wrapper .table.table-hover tbody tr:hover td a,
[data-theme="dark"] .news-table-wrapper .table tbody tr:hover td a {
    color: #e8e8e8 !important;
}
[data-theme="dark"] .news-table-wrapper .badge {
    background: var(--primary-color);
    color: #fff;
}
[data-theme="dark"] .news-table-wrapper .btn-outline-primary {
    border-color: var(--border-color);
    color: #8ab4e8;
}
[data-theme="dark"] .news-table-wrapper .btn-outline-primary:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}
[data-theme="dark"] .news-table-wrapper .btn-outline-danger {
    border-color: #7a3030;
    color: #e88;
}
[data-theme="dark"] .news-table-wrapper .btn-outline-danger:hover {
    background: #7a3030;
    border-color: #e88;
    color: #fff;
}

/* Pagination bar in news / table pages */
[data-theme="dark"] .news-table-wrapper .border-top {
    background: var(--bg-primary) !important;
    border-color: var(--border-color) !important;
}
[data-theme="dark"] .news-table-wrapper .border-top .text-muted {
    color: var(--text-muted) !important;
}
[data-theme="dark"] .news-table-wrapper .border-top,
[data-theme="dark"] .news-table-wrapper .d-flex.align-items-center.gap-2 {
    color: var(--text-primary);
}
[data-theme="dark"] .news-view-content {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}
[data-theme="dark"] .news-view-meta-label {
    color: var(--text-muted);
}
[data-theme="dark"] .news-view-meta-value {
    color: var(--text-primary);
}
[data-theme="dark"] .news-view-meta-bar {
    background: #1a2d4a !important;
    border-color: #2a3f5f !important;
    color: var(--text-primary);
}
[data-theme="dark"] .news-view-attachments-section {
    border-color: var(--border-color);
}
[data-theme="dark"] .news-view-attachment-item {
    background: var(--bg-primary);
    border-color: var(--border-color);
}
[data-theme="dark"] .news-view-attachment-item:hover {
    border-color: var(--primary-color);
}

/* Classroom index dark */
[data-theme="dark"] .classroom-title,
[data-theme="dark"] .classroom-admin-title {
    color: #fff;
}
[data-theme="dark"] .classroom-legend-panel {
    background: var(--bg-primary);
    border-color: var(--border-color);
    color: var(--text-primary);
}
[data-theme="dark"] .classroom-legend-label {
    color: var(--text-primary);
}
[data-theme="dark"] #page-numbers .page-num-btn {
    color: var(--text-primary);
}

/* Spaces */
[data-theme="dark"] .spaces-hero {
    background: var(--bg-primary);
    color: var(--text-primary);
}
[data-theme="dark"] .spaces-page-title {
    color: #fff;
}
[data-theme="dark"] .space-card {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}
[data-theme="dark"] .space-detail-panel {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}
[data-theme="dark"] .space-card-title {
    color: #fff;
}

/* Contact */
.contact-title {
    text-align: center;
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 10px;
}

.contact-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}
[data-theme="dark"] .contact-page-title,
[data-theme="dark"] .contact-title {
    color: #fff;
    text-align: center;
}

[data-theme="dark"] .contact-title::after {
    background: rgba(255,255,255,0.7);
}
[data-theme="dark"] .contact-intro-text {
    color: var(--text-muted);
}
[data-theme="dark"] .contact-card {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}
[data-theme="dark"] .contact-card-title {
    color: #fff;
}
[data-theme="dark"] .contact-info-label {
    color: var(--text-muted);
}
[data-theme="dark"] .contact-info-value {
    color: var(--text-primary);
}

/* Info card in modal */
[data-theme="dark"] .info-card {
    background: var(--bg-primary);
    border-color: var(--border-color);
}
[data-theme="dark"] .info-label { color: var(--text-muted); }
[data-theme="dark"] .info-value { color: var(--text-primary); }

/* Dashboard / Profile dark mode */
[data-theme="dark"] .dashboard-welcome-title { color: #ffffff; }
[data-theme="dark"] .alert-success-dashboard {
    background: var(--success-bg) !important;
    color: var(--success-text) !important;
    border-color: rgba(255,255,255,0.1) !important;
}
[data-theme="dark"] .user-role-text { color: #c0c0c0; }
[data-theme="dark"] .user-role-value { color: #8ab4f8; font-size: 1.2rem; }
[data-theme="dark"] .dashboard-section-title { color: #ffffff; }
[data-theme="dark"] .dashboard-section-desc { color: #b0b0b0; }
[data-theme="dark"] .dashboard-btn-group { color: var(--text-primary); }
[data-theme="dark"] .dashboard-divider { background: rgba(255,255,255,0.15); }
[data-theme="dark"] .dashboard-account-title { color: #ffffff; }
[data-theme="dark"] .dashboard-account-card {
    background: var(--bg-secondary) !important;
    border: 1px solid rgba(255,255,255,0.08);
}
[data-theme="dark"] .dashboard-footer-link-primary { color: #8ab4f8 !important; }
[data-theme="dark"] .dashboard-footer-link-danger { color: #ff7875 !important; }

/* Profile page dark */
[data-theme="dark"] .profile-container {
    background: var(--bg-secondary) !important;
    box-shadow: 0 0 15px rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.08);
}
[data-theme="dark"] .profile-container h2 { color: #ffffff; }
[data-theme="dark"] .profile-success-msg { color: var(--success-text) !important; }
[data-theme="dark"] .profile-form-group label { color: #cccccc !important; }
[data-theme="dark"] .profile-form-group input {
    background: #1a2d4a !important;
    border-color: #3a4a5f !important;
    color: #f5f5f5 !important;
}
[data-theme="dark"] .profile-divider { border-color: rgba(255,255,255,0.1); }
[data-theme="dark"] .profile-password-section {
    background: rgba(255,255,255,0.05) !important;
    border-color: rgba(255,255,255,0.1) !important;
}
[data-theme="dark"] .profile-password-title { color: #ffffff; }
[data-theme="dark"] .btn-profile-save {
    background: var(--primary-color) !important;
    color: #ffffff !important;
}
[data-theme="dark"] .btn-profile-save:hover { background: var(--primary-hover) !important; }
[data-theme="dark"] .profile-back-link { color: #b0b0b0 !important; }

header {
    background: var(--primary-color);
    color: white;
    padding: 1rem;
    text-align: center;
}

nav ul { list-style: none; padding: 0; }
nav ul li { display: inline; margin: 0 10px; }
nav ul li a { color: white; text-decoration: none; font-weight: bold; }

main { 
    padding: 2rem; 
    max-width: 1100px; 
    margin: 20px auto; 
    background: var(--card-bg); 
    min-height: 400px; 
    box-shadow: var(--shadow-soft);
    border-radius: var(--radius-md);
}

.container {
    width: 100%;
    margin: 0 auto;
    background: var(--card-bg);
}

[data-theme="dark"] .container {
    background: var(--bg-secondary) !important;
}

/* UI Components - Dashboard DNA */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: bold;
    text-decoration: none !important;
    cursor: pointer;
    border: none;
    text-align: center;
    transition: all 0.2s;
    vertical-align: middle;
}
.btn-primary { 
    background-color: var(--primary-color); 
    color: white !important; 
}
.btn-primary:hover { 
    background-color: var(--primary-hover); 
}
.btn-secondary { 
    background-color: var(--secondary-color); 
    color: white !important; 
}
.btn-secondary:hover {
    opacity: 0.9;
}

/* Small buttons for admin nav */
.btn-small {
    padding: 6px 12px;
    font-size: 13px;
    background-color: #eee;
    color: #444 !important;
    border: 1px solid var(--border-color);
    margin: 2px;
    display: inline-block;
    text-decoration: none !important;
    border-radius: var(--radius-sm);
}
.btn-small:hover {
    background-color: #e2e2e2;
    color: var(--text-primary) !important;
}
.btn-small.active {
    background-color: var(--primary-color);
    color: white !important;
    border-color: var(--primary-color);
}

/* 加強 specificity 確保覆蓋 Bootstrap 5 .btn.active */
.btn.btn-small.active {
    background-color: var(--primary-color) !important;
    color: white !important;
    border-color: var(--primary-color) !important;
}
a.btn.btn-small {
    color: var(--text-primary) !important;
}

.card-panel {
    background: var(--card-bg);
    padding: 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.card-panel-highlight {
    border-top: 4px solid var(--primary-color);
    background: #fcfcfc;
}

/* Admin Module Standard Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background: white;
    font-size: 0.9rem;
}
.table th, .table td {
    border: 1px solid var(--border-color);
    padding: 12px;
    text-align: left;
}
.table th { 
    background-color: var(--primary-color); 
    color: white; 
    font-weight: bold;
}

/* Status Badges */
.badge {
    font-weight: bold;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    color: white;
    display: inline-block;
}
.badge-success { background-color: var(--success-color); }
.badge-info { background-color: var(--info-color); color: #fff; }
[data-theme="dark"] .badge-info { background-color: var(--info-bg) !important; color: var(--info-text) !important; }
.badge-danger { background-color: var(--danger-color); }
.badge-warning { background-color: var(--warning-color); color: var(--text-primary); }
.badge-secondary {
    background-color: #e9ecef;
    color: #495057;
    border: 1px solid #dee2e6;
    font-weight: 500;
}

[data-theme="dark"] .badge-success { background-color: var(--success-bg) !important; color: var(--success-text) !important; }
[data-theme="dark"] .badge-danger { background-color: var(--danger-bg) !important; color: var(--danger-text) !important; }
[data-theme="dark"] .badge-warning { background-color: var(--warning-bg) !important; color: var(--warning-text) !important; }
[data-theme="dark"] .badge-secondary {
    background-color: #3a3f4b !important;
    color: #c0c0c0 !important;
    border-color: #4a4f5b !important;
}

/* Action Buttons for Table Rows */
.btn-action {
    padding: 4px 8px;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
    text-decoration: none !important;
    font-weight: bold;
    display: inline-block;
    margin-right: 4px;
}
.btn-action-success { background-color: var(--success-color); color: white; }
.btn-action-danger { background-color: var(--danger-color); color: white; }
.btn-action-warning { background-color: var(--warning-color); color: var(--text-primary); }

.modal-overlay {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
}
.modal-content {
    background-color: #fff;
    margin: 10% auto;
    padding: 30px;
    border-radius: var(--radius-md);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-soft);
    position: relative;
}

.info-card {
    background: #fdfdfd;
    border: 1px solid #eee;
    border-radius: var(--radius-sm);
    padding: 15px;
    margin: 15px 0;
}
.info-row {
    display: flex;
    margin-bottom: 10px;
    border-bottom: 1px solid #fafafa;
    padding-bottom: 5px;
}
.info-row:last-child { border-bottom: none; }
.info-label {
    font-weight: bold;
    color: #777;
    width: 90px;
    flex-shrink: 0;
}
.info-value {
    color: var(--text-primary);
    flex-grow: 1;
}

footer { text-align: center; padding: 1rem; font-size: 0.8rem; color: #666; }

/* Booking Conflict Indicator */
.conflict-indicator {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    background-color: #ff4d4f;
    color: white;
    border-radius: 50%;
    font-size: 11px;
    font-weight: bold;
    cursor: help;
    margin-left: 5px;
    vertical-align: middle;
    box-shadow: 0 0 4px rgba(255, 77, 79, 0.4);
    position: relative;
}

.conflict-indicator:hover::after {
    content: '時間衝突';
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--text-primary);
    color: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 10;
}

/* Authentication Pages Unified Style - Updated for coexistence with header/footer */
body.auth-page {
    background-color: #F5F5F5;
}

body.auth-page main {
    background: transparent !important;
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
    margin: 40px auto !important;
    max-width: none !important;
    width: 100% !important;
    display: flex;
    justify-content: center;
    align-items: center;
}

.auth-card {
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    width: 100%;
    max-width: 420px;
    text-align: center;
    box-sizing: border-box;
}

.auth-card h2 {
    color: #003366;
    margin-bottom: 25px;
    font-size: 1.6rem;
    font-weight: bold;
}

.auth-form-group {
    margin-bottom: 20px;
    text-align: left;
}

.auth-form-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-size: 0.9rem;
}

.auth-input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
}

.auth-input:focus {
    outline: none;
    border-color: #003366;
    box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.1);
}

.auth-btn {
    width: 100%;
    padding: 12px;
    background-color: #003366;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-top: 10px;
}

.auth-btn:hover {
    background-color: #002244;
}

.auth-footer {
    margin-top: 20px;
    font-size: 0.9rem;
    color: #666;
}

.auth-footer a {
    color: #003366;
    text-decoration: none;
    font-weight: bold;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.auth-alert {
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    text-align: center;
}

.auth-alert-error {
    background-color: #fff2f0;
    color: #ff4d4f;
    border: 1px solid #ffccc7;
}

.auth-alert-success {
    background-color: #f6ffed;
    color: #52c41a;
    border: 1px solid #b7eb8f;
}


/* News Module Public Styles */
.news-page-title {
    text-align: center;
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 10px;
}

.news-page-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

.news-table-container {
    max-width: 1100px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.news-table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
}

.news-table th {
    background-color: var(--primary-color);
    color: white;
    padding: 15px;
    font-weight: bold;
    text-align: center;
    border: none;
}

.news-table td {
    padding: 14px 15px;
    border-bottom: 1px solid #eee;
    vertical-align: middle;
}

.news-table tr:last-child td {
    border-bottom: none;
}

.news-table tr:hover {
    background-color: #fcfcfc;
    transition: background 0.2s;
}

.row-pinned {
    background-color: #fffdf0;
}

.title-cell {
    font-weight: 500;
}

.title-link {
    text-decoration: none;
    color: var(--text-primary);
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.title-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.pin-text {
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 4px;
}

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

.news-col-date {
    text-align: center;
    color: #666;
    font-size: 0.9rem;
}

.news-col-author {
    text-align: center;
    color: #444;
}

.news-col-views {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}


/* Fix for News Category Badge Contrast */
/* Enhanced News Title Link */
.title-link {
    text-decoration: none !important;
    color: var(--text-primary) !important;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 500;
}

.title-link:hover {
    color: var(--primary-color) !important;
    background-color: #f0f4f8;
    text-decoration: none !important;
}

/* News Module Public Styles - Migrated */
.news-table-wrapper { margin-bottom: 40px; background: transparent; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 12px; border-bottom: 1px solid #eee; vertical-align: middle; }
.news-col-center { text-align: center !important; }
.row-pinned { background-color: #fffdf0 !important; }
.page-num { 
    width: 32px; height: 32px; 
    display: flex; align-items: center; justify-content: center; 
    border: 1px solid #dee2e6; border-radius: 4px; 
    cursor: pointer; font-size: 0.85rem; color: #666; 
    text-decoration: none !important; transition: all 0.2s; 
}
.page-num:hover { background-color: #f8f9fa; color: #003366; }
.page-num.active { background-color: #003366; color: white; border-color: #003366; font-weight: bold; }

.d-flex { display: flex !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-end { justify-content: flex-end !important; }
.align-items-center { align-items: center !important; }
.flex-nowrap { flex-wrap: nowrap !important; }
.gap-1 { gap: 0.25rem !important; }
.gap-2 { gap: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.p-3 { padding: 1rem !important; }
.border-top { border-top: 1px solid #dee2e6 !important; }
.ms-2 { margin-left: 0.5rem !important; }
.me-1 { margin-right: 0.25rem !important; }
.small { font-size: 0.875em !important; }
.text-muted { color: #6c757d !important; }
.btn-outline-secondary {
    color: #6c757d; border: 1px solid #6c757d; background: transparent;
    cursor: pointer; transition: all 0.2s; border-radius: 4px;
}
.btn-outline-secondary:hover { color: #fff; background-color: #6c757d; }
.btn-outline-secondary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-sm { padding: 0.25rem 0.5rem; font-size: 0.875rem; }
.px-3 { padding-left: 1rem !important; padding-right: 1rem !important; }
.input-group { display: flex; align-items: stretch; }
.input-group-text { 
    display: flex; align-items: center; padding: 0.375rem 0.75rem; 
    background-color: #e9ecef; border: 1px solid #ced4da; border-radius: 0.25rem 0 0 0.25rem;
}
.form-control { 
    flex: 1; padding: 0.375rem 0.75rem; border: 1px solid #ced4da; 
    border-radius: 0 0.25rem 0.25rem 0; 
}
.form-select-sm { 
    padding: 0.25rem 1.5rem 0.25rem 0.5rem; font-size: 0.875rem; 
    border: 1px solid #ced4da; border-radius: 0.25rem; 
}
.form-control-sm {
    padding: 0.25rem 0.5rem; font-size: 0.875rem;
    border: 1px solid #ced4da; border-radius: 0.25rem;
}

/* Admin Announcement Management Styles - Migrated */
.admin-container { width: 95%; max-width: 1200px; margin: 20px auto; padding: 0; }
/* Remove the custom admin-card and use style.css .card-panel */
.page-num { 
    width: 32px; height: 32px; 
    display: flex; align-items: center; justify-content: center; 
    border: 1px solid #dee2e6; border-radius: 4px; 
    cursor: pointer; font-size: 0.85rem; color: #666; 
    text-decoration: none !important; transition: all 0.2s; 
}
.page-num:hover { background-color: #f8f9fa; color: #003366; }
.page-num.active { background-color: #003366; color: white; border-color: #003366; font-weight: bold; }

/* Bootstrap-like Flexbox Layout Utilities */
.d-flex { display: flex !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-end { justify-content: flex-end !important; }
.align-items-center { align-items: center !important; }
.flex-nowrap { flex-wrap: nowrap !important; }
.gap-1 { gap: 0.25rem !important; }
.gap-2 { gap: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.pt-3 { padding-top: 1rem !important; }
.border-top { border-top: 1px solid #dee2e6 !important; }
.ms-2 { margin-left: 0.5rem !important; }
.small { font-size: 0.875em !important; }
.text-muted { color: #6c757d !important; }
.btn-outline-secondary {
    color: #6c757d;
    border: 1px solid #6c757d;
    background-color: transparent;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-outline-secondary:hover {
    color: #fff;
    background-color: #6c757d;
}
.btn-outline-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.btn-sm { padding: 0.25rem 0.5rem; font-size: 0.875rem; border-radius: 0.2rem; }
.px-3 { padding-left: 1rem !important; padding-right: 1rem !important; }
.input-group {
    display: flex;
    align-items: stretch;
    width: 100%;
}
.input-group-text {
    display: flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #212529;
    text-align: center;
    white-space: nowrap;
    background-color: #e9ecef;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
}
.input-group > .form-control {
    position: relative;
    flex: 1 1 auto;
    width: 1%;
    min-width: 0;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    border-left: 0;
}
.form-select {
    display: block;
    width: 100%;
    padding: 0.375rem 2.25rem 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #212529;
    background-color: #fff;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    appearance: none;
}
.form-control-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    border-radius: 0.2rem;
}

/* Dashboard Page Styles */
.dashboard-welcome-title { text-align: center; color: var(--text-primary); margin-bottom: 20px; }
.alert-success-dashboard { padding: 15px; margin-bottom: 20px; border-radius: 4px; background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; text-align: center; }
.user-role-text { text-align: center; color: #555; }
.user-role-value { color: #003366; font-size: 1.2rem; }
.dashboard-section-title { text-align: center; color: #003366; margin-top: 0; }
.dashboard-section-desc { text-align: center; color: #666; font-size: 14px; }
.dashboard-btn-group { display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; }

/* Dashboard Admin Grid — 分類卡片 */
.dashboard-admin-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 20px; }
.dashboard-admin-card { border: 1px solid #e0e0e0; border-radius: 8px; overflow: hidden; }
.dashboard-admin-card .card-header { background: var(--table-stripe); padding: 12px 16px; border-bottom: 1px solid #e0e0e0; }
.dashboard-card-title { font-size: 1.05rem; font-weight: 600; margin: 0; color: var(--text-primary); }
.dashboard-admin-card .card-body { padding: 16px; }
.dashboard-admin-card .dashboard-btn-group { display: flex; flex-direction: column; gap: 10px; align-items: stretch; }
.dashboard-admin-card .btn-small { width: 100%; text-align: left; }
[data-theme="dark"] .dashboard-admin-card { border-color: #444; background: var(--bg-secondary); }
[data-theme="dark"] .dashboard-admin-card .card-header { background: #1a2a3a; border-color: #444; }
[data-theme="dark"] .dashboard-card-title { color: #f5f5f5; }

/* Responsive: 2 columns on tablet */
@media (max-width: 768px) { .dashboard-admin-grid { grid-template-columns: 1fr; } }
.badge-danger-custom { background: #dc3545; color: white; vertical-align: middle; margin-left: 4px; }
.dashboard-divider { width: 100px; height: 1px; background: #ccc; margin: 5px 0; }
.dashboard-account-card { max-width: 600px; margin: 30px auto; text-align: center; }
.dashboard-account-title { color: var(--text-primary); }
.dashboard-account-actions { margin-top: 15px; }
.dashboard-account-footer { list-style: none; padding: 0; margin-top: 20px; display: flex; justify-content: center; gap: 20px; }
.dashboard-footer-link-primary { color: #003366; text-decoration: none; font-weight: bold; }
.dashboard-footer-link-danger { color: #dc3545; text-decoration: none; font-weight: bold; }

/* Profile Update Page Styles */
.profile-container { max-width: 500px; margin: 40px auto; background: white; padding: 2rem; border-radius: 10px; box-shadow: 0 0 15px rgba(0,0,0,0.1); }
.profile-container h2 { text-align: center; color: #003366; margin-bottom: 20px; }
.profile-success-msg { color: green; text-align: center; font-weight: bold; margin-bottom: 20px; }
.profile-form-group { margin-bottom: 15px; text-align: left; }
.profile-form-group label { display: block; margin-bottom: 5px; font-weight: bold; color: #555; }
.profile-form-group input { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; box-sizing: border-box; }
.profile-divider { margin: 20px 0; border: 0; border-top: 1px solid #eee; }
.profile-password-section { background: #f9f9f9; padding: 15px; border-radius: 8px; border: 1px solid #eee; margin-bottom: 20px; }
.profile-password-title { font-size: 1rem; color: #003366; margin-bottom: 10px; }
.btn-profile-save { background: #003366; color: white; padding: 10px 20px; border: none; border-radius: 4px; cursor: pointer; font-size: 1rem; width: 100%; margin-top: 10px; }
.btn-profile-save:hover { background: #002244; }
.profile-back-link { display: block; text-align: center; margin-top: 15px; color: #666; text-decoration: none; font-size: 0.9rem; }

/* Admin User Management Page Styles */
.admin-user-title { text-align: center; color: var(--text-primary); margin-bottom: 20px; }
.admin-alert-success { padding: 15px; margin-bottom: 20px; border-radius: 4px; background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; text-align: center; }
.table-header-center { text-align: center; }
.row-highlight-inactive { background-color: #f9f9f9; }
.row-highlight-deleted { background-color: #f9f9f9; color: #aaa; }
.user-self-label { color: #003366; font-weight: bold; }
.admin-role-select { padding: 4px; border-radius: 4px; border: 1px solid #ddd; }
.text-center { text-align: center; }
.badge-deleted { background-color: #666 !important; }
.action-button-group { display: flex; gap: 5px; justify-content: center; }
.btn-action-delete-critical { background-color: #ff4d4f !important; }

/* Temp Password Modal Styles */
.pass-modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; z-index: 1000; }
.pass-modal-content { background: white; padding: 30px; border-radius: 12px; text-align: center; box-shadow: 0 10px 25px rgba(0,0,0,0.2); max-width: 400px; width: 90%; }
.pass-modal-icon { font-size: 3rem; margin-bottom: 15px; }
.pass-modal-title { color: #003366; margin-bottom: 10px; }
.pass-modal-desc { color: #666; font-size: 0.9rem; margin-bottom: 20px; }
.pass-modal-code { background: #f5f5f5; padding: 15px; border: 1px dashed #ccc; border-radius: 8px; font-family: monospace; font-size: 1.5rem; font-weight: bold; color: var(--text-primary); letter-spacing: 2px; margin-bottom: 20px; }
.pass-modal-btn { background: #003366; color: white; border: none; padding: 10px 25px; border-radius: 5px; cursor: pointer; }

/* Admin Role Management Page Styles */
.admin-role-container { width: 100%; }
.admin-role-title { text-align: center; color: var(--text-primary); margin-bottom: 20px; }
.admin-role-success-msg { color: green; text-align: center; font-weight: bold; }
.admin-role-error-box { background: var(--bg-secondary)5f5; border: 2px solid #ffcccc; padding: 20px; border-radius: 8px; margin-bottom: 30px; }
.admin-role-error-title { color: red; }
.admin-role-user-list { margin: 10px 0; font-size: 0.9rem; }
.admin-role-migrate-form { margin-top: 15px; }
.btn-role-migrate { background: #28a745; color: white; padding: 8px 15px; border: none; border-radius: 4px; cursor: pointer; }
.admin-role-add-box { background: #f8f9fa; border: 1px solid #ddd; padding: 20px; border-radius: 8px; margin-bottom: 30px; }
.admin-role-add-box h3 { margin-top: 0; color: #003366; }
.admin-role-add-label { font-size: 0.8rem; color: #666; }
.admin-role-add-input { padding: 8px; border: 1px solid #ccc; border-radius: 4px; }
.admin-role-input-small { width: 80px; }
.admin-role-input-med { width: 60px; }
.admin-role-input-large { width: 200px; }
.admin-role-table { width: 100%; border-collapse: collapse; margin-top: 20px; background: white; }
.admin-role-table th, .admin-role-table td { border: 1px solid #ddd; padding: 12px; text-align: left; }
.admin-role-table th { background-color: #003366; color: white; }
.btn-role-save { background: #003366; color: white; padding: 5px 15px; border: none; border-radius: 4px; cursor: pointer; }
.btn-role-delete { background: #dc3545; color: white; padding: 5px 10px; text-decoration: none; border-radius: 4px; font-size: 0.8rem; margin-left: 5px; }
.btn-role-delete:hover { background: #a71d2a; }
.row-role-admin { background-color: #fff9e6; }
.row-role-normal { background-color: white; }

/* Dark mode — role management */
[data-theme="dark"] .admin-role-container { padding-top: 20px; }
[data-theme="dark"] .admin-role-title { color: #fff; font-weight: bold; margin-bottom: 30px; position: relative; padding-bottom: 10px; }
[data-theme="dark"] .admin-role-title::after { content: ""; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 60px; height: 3px; background: rgba(255,255,255,0.7); border-radius: 2px; }
[data-theme="dark"] .admin-role-success-msg { color: #6fcf97; }
[data-theme="dark"] .admin-role-error-box { background: var(--danger-bg); border: 1px solid #8b4040; border-radius: 8px; padding: 20px; }
[data-theme="dark"] .admin-role-error-title { color: var(--danger-text); }
[data-theme="dark"] .admin-role-user-list { color: var(--text-muted); }

/* Permission Denied Box */
.permission-denied-box {
    max-width: 480px;
    margin: 60px auto;
    background: var(--bg-secondary);
    border: 1px solid #e8e8e8;
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.permission-denied-icon {
    color: #e74c3c;
    margin-bottom: 16px;
}
.permission-denied-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}
.permission-denied-message {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 8px;
}
[data-theme="dark"] .permission-denied-box {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}
[data-theme="dark"] .permission-denied-icon { color: #e74c3c; }
[data-theme="dark"] .permission-denied-title { color: var(--text-primary); }
[data-theme="dark"] .permission-denied-message { color: var(--text-muted); }
[data-theme="dark"] .btn-role-migrate { background: #28a745; }
[data-theme="dark"] .admin-role-add-box { background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 8px; padding: 20px; }
[data-theme="dark"] .admin-role-add-box h3 { margin-top: 0; color: var(--text-primary); }
[data-theme="dark"] .admin-role-add-label { font-size: 0.8rem; color: var(--text-muted); }
[data-theme="dark"] .admin-role-add-input { background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 4px; color: var(--text-primary); padding: 8px; }
[data-theme="dark"] .admin-role-table { width: 100%; border-collapse: collapse; border: 1px solid var(--border-color); border-radius: 8px; overflow: hidden; }
[data-theme="dark"] .admin-role-table th { background: var(--bg-primary); color: #fff; }
[data-theme="dark"] .admin-role-table td { background: var(--bg-secondary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .admin-role-table tbody tr:nth-child(even) td { background: var(--table-stripe); }
[data-theme="dark"] .btn-role-save { background: var(--primary-color); color: #fff; border: none; border-radius: 4px; cursor: pointer; padding: 5px 15px; }
[data-theme="dark"] .btn-role-save:hover { background: var(--primary-hover); }
[data-theme="dark"] .btn-role-delete { background: #8b3a3a; color: #fff; padding: 5px 10px; text-decoration: none; border-radius: 4px; font-size: 0.8rem; margin-left: 5px; }
[data-theme="dark"] .btn-role-delete:hover { background: #a71d2a; }
[data-theme="dark"] .row-role-admin { background-color: var(--warning-bg) !important; }
[data-theme="dark"] .row-role-normal { background-color: var(--bg-secondary) !important; }
[data-theme="dark"] .row-role-admin { background-color: #2a2510; }
[data-theme="dark"] .row-role-normal { background-color: #121b30; }

/* Admin Edit User Page Styles */
.admin-edit-container { max-width: 500px; margin: 40px auto; background: white; padding: 2rem; border-radius: 10px; box-shadow: 0 0 15px rgba(0,0,0,0.1); }
.admin-edit-title { text-align: center; color: #003366; margin-bottom: 20px; }
.admin-edit-form-group { margin-bottom: 15px; text-align: left; }
.admin-edit-form-group label { display: block; margin-bottom: 5px; font-weight: bold; color: #555; }
.admin-edit-form-group input { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; box-sizing: border-box; background: var(--bg-secondary); color: var(--text-primary); }
.btn-admin-edit-save { background: #003366; color: white; padding: 10px 20px; border: none; border-radius: 4px; cursor: pointer; font-size: 1rem; width: 100%; margin-top: 10px; }
.btn-admin-edit-save:hover { background: #002244; }
.btn-admin-edit-cancel { display: block; text-align: center; margin-top: 15px; color: #666; text-decoration: none; font-size: 0.9rem; }
.btn-admin-edit-cancel:hover { color: var(--text-primary); }

/* Dark mode — admin edit user */
[data-theme="dark"] .admin-edit-container { background: #16213e !important; box-shadow: 0 0 20px rgba(0,0,0,0.4); }
[data-theme="dark"] .admin-edit-title { color: #fff; }
[data-theme="dark"] .admin-edit-form-group label { color: #b0c4de; }
[data-theme="dark"] .admin-edit-form-group input { background: #1a2d4a; border-color: #3a4a5f; color: #f5f5f5; }
[data-theme="dark"] .admin-edit-form-group input:disabled { background: #0f1c30; color: #8ab; }
[data-theme="dark"] .btn-admin-edit-save { background: #1a3055; color: #fff; }
[data-theme="dark"] .btn-admin-edit-save:hover { background: #2a4878; }
[data-theme="dark"] .btn-admin-edit-cancel { color: #8ab4f8; }
[data-theme="dark"] .btn-admin-edit-cancel:hover { color: #a8c8f8; }

/* Admin Announcement List Page Styles */
.admin-ann-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.admin-ann-title { margin: 0; color: #003366; font-weight: bold; }
.admin-ann-btn-primary { background-color: #003366; border: none; font-weight: 500; }
.admin-ann-search-group { width: 300px; }
.admin-ann-search-text { color: #666; }
.admin-ann-th-pointer { cursor: pointer; }
.admin-ann-th-center { text-align: center; }
.admin-ann-pagination-container { display: flex; justify-content: space-between; align-items: center; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid #dee2e6; }
.admin-ann-page-meta { font-size: 0.9rem; color: #555; display: flex; align-items: center; gap: 0.5rem; }
.admin-ann-limit-select { width: auto; }
.admin-ann-custom-limit { width: 70px; }
.admin-ann-nav-group { display: flex; align-items: center; gap: 0.5rem; white-space: nowrap; }
.admin-ann-page-info { font-weight: 500; }
.admin-ann-preview-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); z-index: 2000; align-items: center; justify-content: center; backdrop-filter: blur(4px); }
.admin-ann-preview-dialog { width: 70%; max-width: 800px; background: white; border-radius: 16px; position: relative; max-height: 85vh; display: flex; flex-direction: column; box-shadow: 0 10px 30px rgba(0,0,0,0.3); margin: auto; overflow: hidden; }
.admin-ann-preview-header { background: #f8f9fa; border-top-left-radius: 16px; border-top-right-radius: 16px; padding: 20px 25px !important; border-bottom: 1px solid #dee2e6; display: flex; justify-content: space-between; align-items: center; }
.admin-ann-preview-title { color: #003366; font-weight: bold; margin: 0; padding: 0; }
.admin-ann-preview-close { z-index: 9999; position: absolute; top: 15px; right: 15px; background: transparent; border: none; font-size: 1.5rem; line-height: 1; cursor: pointer; color: #666; padding: 0; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border-radius: 4px; }
.admin-ann-preview-body { overflow-y: auto; }
.admin-ann-preview-footer { background: #f8f9fa; border-bottom-left-radius: 16px; border-bottom-right-radius: 16px; display: flex; justify-content: flex-end; padding: 15px 25px !important; border-top: 1px solid #dee2e6 !important; }
.admin-ann-preview-footer-btn { color: #666; border-color: #ccc; background: white; font-weight: 500; }
.admin-ann-row-date { color: #666; font-size: 0.875rem; }
.admin-ann-link-title { text-decoration: none; color: #003366; font-weight: 600; }
.admin-ann-btn-edit { color: #003366; border-color: #003366; background: white; }
.admin-ann-btn-delete { color: #dc3545; border-color: #dc3545; background: white; }
.admin-ann-preview-content-wrapper { padding: 30px; max-width: 700px; margin: 0 auto; }

/* Admin Announcement Form Page Styles */
.admin-ann-form-container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 20px; }
.admin-ann-form-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.admin-ann-form-title { margin: 0; color: #003366; font-weight: bold; }
.admin-ann-grid { display: grid; grid-template-columns: 1fr 350px; gap: 25px; }
.admin-ann-card { background: white; border: 1px solid #ddd; border-radius: 8px; overflow: hidden; }
.admin-ann-card-body { padding: 20px; }
.admin-ann-form-label { display: block; font-weight: bold; color: #555; margin-bottom: 8px; font-size: 0.9rem; }
.admin-ann-form-control { width: 100%; padding: 8px 12px; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; }
.admin-ann-form-select { width: 100%; padding: 8px; border: 1px solid #ccc; border-radius: 4px; }
.admin-ann-btn-primary { color: white; border-radius: 4px; cursor: pointer; font-weight: bold; }
.admin-ann-btn-secondary { background: #6c757d; color: white; padding: 6px 15px; border-radius: 4px; text-decoration: none; font-size: 0.9rem; }
.admin-ann-btn-outline-secondary { border: 1px solid #ccc; background: white; padding: 0 5px; border-radius: 4px; text-decoration: none; }
.admin-ann-quill-wrapper { height: 400px; border: 1px solid #ccc; border-radius: 4px; overflow: hidden; }
.admin-ann-section-title { color: #003366; border-left: 4px solid #003366; padding-left: 10px; }
.admin-ann-attachment-item { transition: background 0.2s; }
.admin-ann-attachment-item:hover { background: #eee !important; }
.admin-ann-file-icon-container { width: 40px; height: 40px; margin-right: 10px; overflow: hidden; border-radius: 4px; border: 1px solid #ddd; }
.admin-ann-file-icon-img { width: 100%; height: 100%; object-fit: cover; }
.admin-ann-file-icon-placeholder { display: flex; align-items: center; justify-content: center; height: 100%; font-size: 1.2rem; }
.admin-ann-file-info { font-size: 0.9rem; color: #666; }
.admin-ann-file-info-strong { color: var(--text-primary); }
.admin-ann-file-info-span { font-size: 0.8rem; }
.admin-ann-upload-zone { border: 2px dashed #ccc; border-radius: 8px; background: #fafafa; }
.admin-ann-preview-file-item { display: flex; align-items: center; gap: 10px; padding: 10px; background: var(--bg-secondary); border: 1px solid #ddd; border-radius: 4px; margin-bottom: 10px; }
.admin-ann-preview-file-icon { font-size: 1.2rem; width: 40px; text-align: center; }
.admin-ann-preview-file-name { flex-grow: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.85rem; }
.admin-ann-preview-file-input { width: 200px; font-size: 0.8rem; }
.admin-ann-preview-img { width: 40px; height: 40px; object-fit: cover; border-radius: 4px; }

@media (max-width: 992px) { .admin-ann-grid { grid-template-columns: 1fr; } }

.ql-toolbar.ql-snow { border: 1px solid #ccc !important; border-bottom: none !important; background: #f8f9fa; }
.ql-container.ql-snow { border: 1px solid #ccc !important; font-family: 'Noto Sans TC', sans-serif; }


/* Fix for Admin Announcement Form Date Inputs - Unified Alignment */
.admin-ann-date-input {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    display: block !important;
    display: block !important;
    padding: 8px 0px 8px 8px;
}

/* Classroom Space Page Styles */
.classroom-title { margin-bottom: 20px; text-align: center; color: var(--text-primary); }
.classroom-alert-success { padding: 15px; margin-bottom: 20px; border-radius: 4px; background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; text-align: center; }
.classroom-filter-bar { margin-bottom: 30px; display: flex; justify-content: space-between; align-items: center; gap: 15px; flex-wrap: wrap; }
.classroom-filter-group { display: flex; align-items: center; gap: 10px; }
.classroom-filter-label { font-weight: bold; color: #555; }
.classroom-filter-select { padding: 8px; border-radius: 4px; border: 1px solid #DDD; font-size: 14px; }
.classroom-btn-group { display: flex; gap: 12px; }
.classroom-admin-title { margin-top: 0; color: #003366; border-bottom: 2px solid #003366; padding-bottom: 10px; display: inline-block; }
.classroom-admin-nav { display: flex; gap: 10px; list-style: none; padding: 0; margin-top: 15px; flex-wrap: wrap; }
.btn-admin-review { border-color: #dc3545; color: #dc3545 !important; font-weight: bold; }
.classroom-legend-panel { font-size: 14px; display: flex; gap: 20px; align-items: center; flex-wrap: wrap; background: var(--bg-secondary); }
.classroom-legend-label { color: #555; }
.classroom-legend-item { display: flex; align-items: center; gap: 5px; }
.classroom-legend-box { display: inline-block; width: 12px; height: 12px; border-radius: 2px; }
.classroom-calendar-wrapper { padding: 20px; background: var(--bg-secondary); }
.classroom-modal-close { position: absolute; right: 20px; top: 15px; font-size: 24px; cursor: pointer; color: var(--text-faint); }
.classroom-modal-title { margin-top: 0; color: #003366; border-bottom: 2px solid #eee; padding-bottom: 10px; }
.classroom-modal-footer { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }
.btn-modal-close { background: #eee; color: var(--text-primary) !important; }

/* FullCalendar Customizations */
#calendar { max-width: 1100px; margin: 0 auto; }
.fc-event { cursor: pointer; }

/* FullCalendar Light Theme — 融合系統配色 */
.fc {
    --fc-border-color: var(--border-color);
    --fc-button-bg-color: var(--primary-color);
    --fc-button-border-color: var(--primary-color);
    --fc-button-text-color: #ffffff;
    --fc-button-hover-bg-color: var(--primary-hover);
    --fc-button-hover-border-color: var(--primary-hover);
    --fc-button-active-bg-color: var(--primary-hover);
    --fc-button-active-border-color: var(--primary-hover);
    --fc-page-bg-color: var(--bg-secondary);
    --fc-neutral-bg-color: var(--bg-primary);
    --fc-list-event-hover-bg-color: var(--bg-primary);
    --fc-day-today-bg-color: rgba(0, 51, 102, 0.06);
}
.fc .fc-toolbar-title { color: var(--text-primary) !important; }
.fc-daygrid-day-number { color: var(--text-primary); }
.fc-col-header-cell-cushion { color: var(--primary-color); }
.fc-timegrid-slot-label-cushion { color: var(--text-muted); }
.fc .fc-button { font-size: 0.85rem; }
.fc .fc-toolbar-title { font-size: 1.2rem !important; font-weight: bold; color: var(--text-primary); }
.btn-modal-action { padding: 8px 16px; border-radius: 4px; font-weight: bold; text-decoration: none; cursor: pointer; font-size: 14px; border: none; display: inline-block; }
.btn-edit { background: #003366; color: white; }
.btn-delete { background: #dc3545; color: white; }
.btn-review { background: #ffc107; color: var(--text-primary); }

/* Classroom Booking Form Styles */
.booking-form-title { text-align: center; color: var(--text-primary); margin-bottom: 20px; }
.booking-form-container { max-width: 700px; margin: 0 auto; }
.booking-form-group { margin-bottom: 20px; }
.booking-form-label { display: block; font-weight: bold; color: #555; margin-bottom: 8px; }
.booking-form-input { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; box-sizing: border-box; font-size: 14px; }
.booking-form-select { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; font-size: 14px; }

/* Classroom Info Box */
.classroom-info-box { display: none; margin-bottom: 20px; padding: 15px; background: #fcfcfc; border: 1px solid #e0e0e0; border-radius: 8px; font-size: 14px; line-height: 1.6; }
.classroom-info-layout { display: flex; gap: 20px; align-items: flex-start; }
.room-photo-wrapper { position: relative; flex-shrink: 0; width: 150px; height: 100px; }
.room-photo-container { width: 100%; height: 100%; background: #eee; border-radius: 4px; overflow: hidden; display: flex; align-items: center; justify-content: center; border: 1px solid #ddd; cursor: pointer; position: relative; }
.room-photo-empty-text { color: var(--text-faint); font-size: 12px; z-index: 1; }
.room-info-details { flex-grow: 1; }
.room-info-name { font-weight: bold; color: #003366; margin-bottom: 5px; font-size: 16px; }
.room-info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; }
.room-info-label { color: #666; }
.room-info-value { color: #003366; text-decoration: underline; cursor: help; }
.room-info-value-plain { color: var(--text-primary); }

/* Booking Type Section */
.booking-type-divider { border-top: 1px solid #eee; margin: 25px 0; padding-top: 20px; box-sizing: border-box; width: 100%; }
.periodic-booking-box { display: none; background: #f9f9f9; padding: 15px; border-radius: 8px; border: 1px solid #eee; margin-bottom: 20px; }
.periodic-booking-group { margin-bottom: 15px; }
.periodic-day-group { display: flex; gap: 12px; flex-wrap: wrap; }
.periodic-day-label { cursor: pointer; font-size: 14px; display: flex; align-items: center; gap: 4px; }

/* Slots Grid */
.slots-section-divider { border-top: 1px solid #eee; margin: 25px 0; padding-top: 20px; }
.slots-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.slot-item { cursor: pointer; background: var(--bg-secondary); border: 1px solid #ddd; padding: 8px; border-radius: 4px; font-size: 13px; display: flex; align-items: center; gap: 8px; transition: background 0.2s; }
.slot-item-time { color: var(--text-muted); }

/* Modals */
.room-photos-overlay { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.8); backdrop-filter: blur(4px); align-items: center; justify-content: center; }
.room-photos-dialog { background: white; padding: 20px; border-radius: 12px; max-width: 900px; width: 90%; max-height: 90vh; position: relative; box-shadow: 0 10px 30px rgba(0,0,0,0.5); overflow-y: auto; }
.room-photos-close { position: absolute; right: 15px; top: 10px; cursor: pointer; font-size: 24px; color: var(--text-faint); z-index: 10; }
.room-photos-title { color: #003366; margin-top: 0; margin-bottom: 20px; text-align: center; }
.room-photos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 15px; }
.room-photo-card { width: 100%; height: 200px; overflow: hidden; border-radius: 8px; border: 1px solid #ddd; background: #f9f9f9; }
.room-photo-img { width: 100%; height: 100%; object-fit: contain; cursor: zoom-in; }

.building-overlay { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); align-items: center; justify-content: center; }
.building-dialog { background: white; padding: 20px; border-radius: 12px; max-width: 600px; width: 90%; position: relative; box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.building-close { position: absolute; right: 15px; top: 10px; cursor: pointer; font-size: 24px; color: var(--text-faint); }
.building-title { color: #003366; margin-top: 0; }
.building-address { color: #666; font-size: 14px; margin-bottom: 15px; }
.building-photos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; margin-top: 15px; }
.building-photo-img { width: 100%; height: 100%; object-fit: cover; border-radius: 4px; cursor: zoom-in; }

/* My Booking Edit Page Styles */
.booking-edit-container { max-width: 700px; margin: 40px auto; background: white; padding: 2rem; border-radius: 10px; box-shadow: 0 0 15px rgba(0,0,0,0.1); }
.booking-edit-title { text-align: center; color: var(--text-primary); margin-bottom: 20px; }
.booking-edit-form-group { margin-bottom: 20px; text-align: left; }
.booking-edit-form-label { display: block; font-weight: bold; color: #555; margin-bottom: 8px; }
.booking-edit-input { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; box-sizing: border-box; font-size: 14px; }
.booking-edit-select { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; font-size: 14px; }
.booking-edit-divider { border: 0; border-top: 1px solid #eee; margin: 25px 0; padding-top: 20px; }
.booking-edit-slots-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; }
.booking-edit-slot-item { cursor: pointer; background: var(--bg-secondary); border: 1px solid #ddd; padding: 8px; border-radius: 4px; font-size: 13px; display: flex; align-items: center; gap: 8px; transition: background 0.2s; }
.booking-edit-slot-item .slot-item-time { color: var(--text-muted); }
.booking-edit-btn-group { display: flex; justify-content: center; gap: 15px; margin-top: 30px; }
.btn-booking-edit-save { background: #003366; color: white; padding: 10px 20px; border: none; border-radius: 4px; cursor: pointer; font-size: 1rem; font-weight: bold; }
.btn-booking-edit-cancel { color: #666; text-decoration: none; font-size: 0.9rem; align-self: center; }

/* Admin Building List Page Styles */
.admin-bld-btn-back { padding: 8px 15px; font-size: 14px; }
.admin-bld-alert-success { padding: 15px; margin-bottom: 20px; border-radius: 4px; background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; text-align: center; }
.admin-bld-add-wrap { margin-bottom: 15px; }
.admin-bld-photo-empty { color: var(--text-faint); font-size: 0.8em; }

/* Building Photo Hover Effect */
.admin-bld-photo-container { position: relative; display: inline-block; cursor: pointer; }
.admin-bld-photo-thumbnail { width: 50px; height: 50px; object-fit: cover; border-radius: 4px; border: 1px solid #ddd; }
.admin-bld-photo-hover { display: none; position: absolute; top: 0; left: 60px; width: 200px; height: 200px; object-fit: cover; border: 3px solid var(--bg-secondary); box-shadow: 0 4px 12px rgba(0,0,0,0.2); border-radius: 8px; z-index: 100; background: var(--bg-secondary); }
.admin-bld-photo-container:hover .admin-bld-photo-hover { display: block; }

/* Admin Building Form Page Styles */
.admin-bld-form-container { max-width: 600px; margin: 40px auto; background: white; padding: 2rem; border-radius: 10px; box-shadow: 0 0 15px rgba(0,0,0,0.1); }
.admin-bld-form-title { text-align: center; color: var(--text-primary); margin-bottom: 20px; }
.admin-bld-form-group { margin-bottom: 20px; text-align: left; }
.admin-bld-form-label { display: block; font-weight: bold; color: #555; margin-bottom: 8px; }
.admin-bld-form-input { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; box-sizing: border-box; font-size: 14px; }
.admin-bld-form-textarea { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; box-sizing: border-box; font-size: 14px; min-height: 100px; }
.admin-bld-form-select { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; font-size: 14px; }
.admin-bld-divider { border: 0; border-top: 1px solid #eee; margin: 25px 0; padding-top: 20px; }
.admin-bld-photo-section { margin-bottom: 20px; }
.admin-bld-existing-photos { display: flex; gap: 10px; margin-bottom: 15px; flex-wrap: wrap; }
.admin-bld-photo-item { text-align: center; font-size: 0.8rem; }
.admin-bld-photo-img { width: 100px; height: 100px; object-fit: cover; border-radius: 4px; border: 1px solid #ddd; }
.admin-bld-btn-group { display: flex; justify-content: center; gap: 15px; margin-top: 30px; }
.btn-bld-save { background: #003366; color: white; padding: 10px 20px; border: none; border-radius: 4px; cursor: pointer; font-size: 1rem; font-weight: bold; }
.btn-bld-cancel { color: #666; text-decoration: none; font-size: 0.9rem; align-self: center; }

/* Admin Equipment List Page Styles */
.admin-eq-btn-back { padding: 8px 15px; font-size: 14px; }
.admin-eq-alert-success { padding: 15px; margin-bottom: 20px; border-radius: 4px; background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; text-align: center; }
.admin-eq-add-wrap { margin-bottom: 15px; }

/* Admin Equipment Form Page Styles */
.admin-eq-form-container { max-width: 600px; margin: 40px auto; background: white; padding: 2rem; border-radius: 10px; box-shadow: 0 0 15px rgba(0,0,0,0.1); }
.admin-eq-form-title { text-align: center; color: var(--text-primary); margin-bottom: 20px; }
.admin-eq-form-group { margin-bottom: 20px; text-align: left; }
.admin-eq-form-label { display: block; font-weight: bold; color: #555; margin-bottom: 8px; }
.admin-eq-form-input { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; box-sizing: border-box; font-size: 14px; }
.admin-eq-form-textarea { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; box-sizing: border-box; font-size: 14px; min-height: 100px; }
.admin-eq-form-select { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; font-size: 14px; }
.admin-eq-btn-group { display: flex; justify-content: center; gap: 15px; margin-top: 30px; }
.btn-eq-save { background: #003366; color: white; padding: 10px 20px; border: none; border-radius: 4px; cursor: pointer; font-size: 1rem; font-weight: bold; }
.btn-eq-cancel { color: #666; text-decoration: none; font-size: 0.9rem; align-self: center; }

/* Admin Semester Management Page Styles */
.admin-sem-alert-success { padding: 15px; margin-bottom: 20px; border-radius: 4px; background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; text-align: center; }
.admin-sem-table { width: 100%; border-collapse: collapse; }
.admin-sem-row { vertical-align: middle; }
.admin-sem-status-on { background: #d4edda; color: #155724; padding: 2px 8px; border-radius: 10px; font-size: 12px; font-weight: bold; }
.admin-sem-status-off { background: #f8d7da; color: #721c24; padding: 2px 8px; border-radius: 10px; font-size: 12px; font-weight: bold; }

/* Semester Modal Styles */
.admin-sem-modal { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); align-items: center; justify-content: center; }
.admin-sem-modal-content { background: white; padding: 2rem; border-radius: 12px; max-width: 500px; width: 90%; position: relative; box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.admin-sem-modal-title { color: #003366; margin-top: 0; margin-bottom: 20px; text-align: center; }
.admin-sem-form-group { margin-bottom: 15px; text-align: left; }
.admin-sem-form-label { display: block; font-weight: bold; color: #555; margin-bottom: 8px; }
.admin-sem-form-input { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; box-sizing: border-box; font-size: 14px; }
.admin-sem-modal-buttons { display: flex; justify-content: center; gap: 15px; margin-top: 25px; }

/* Admin Semester Form Page Styles */
.admin-sem-form-container { max-width: 600px; margin: 40px auto; background: white; padding: 2rem; border-radius: 10px; box-shadow: 0 0 15px rgba(0,0,0,0.1); }
.admin-sem-form-title { text-align: center; color: var(--text-primary); margin-bottom: 20px; }
.admin-sem-form-group { margin-bottom: 20px; text-align: left; }
.admin-sem-form-label { display: block; font-weight: bold; color: #555; margin-bottom: 8px; }
.admin-sem-form-input { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; box-sizing: border-box; font-size: 14px; }
.admin-sem-form-select { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; font-size: 14px; }
.admin-sem-btn-group { display: flex; justify-content: center; gap: 15px; margin-top: 30px; }
.btn-sem-save { background: #003366; color: white; padding: 10px 20px; border: none; border-radius: 4px; cursor: pointer; font-size: 1rem; font-weight: bold; }
.btn-sem-cancel { color: #666; text-decoration: none; font-size: 0.9rem; align-self: center; }

/* Admin Time Slot Management Page Styles */
.admin-slot-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.admin-slot-title { color: var(--text-primary); margin: 0; display: inline-block; margin-right: 20px; }
.admin-slot-alert-success { padding: 15px; margin-bottom: 20px; border-radius: 4px; background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; text-align: center; }
.admin-slot-table { width: 100%; border-collapse: collapse; }
.admin-slot-row { vertical-align: middle; }
.admin-slot-status-on { background: #d4edda; color: #155724; padding: 2px 8px; border-radius: 10px; font-size: 12px; font-weight: bold; }
.admin-slot-status-off { background: #f8d7da; color: #721c24; padding: 2px 8px; border-radius: 10px; font-size: 12px; font-weight: bold; }
.admin-slot-action-group { display: flex; gap: 5px; }

/* Slot Modal Styles */
.admin-slot-modal { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); align-items: center; justify-content: center; }
.admin-slot-modal-content { background: white; padding: 2rem; border-radius: 12px; max-width: 500px; width: 90%; position: relative; box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.admin-slot-modal-title { color: #003366; margin-top: 0; margin-bottom: 20px; text-align: center; }
.admin-slot-form-group { margin-bottom: 15px; text-align: left; }
.admin-slot-form-label { display: block; font-weight: bold; color: #555; margin-bottom: 8px; }
.admin-slot-form-input { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; box-sizing: border-box; font-size: 14px; }
.admin-slot-modal-buttons { display: flex; justify-content: center; gap: 15px; margin-top: 25px; }

/* Admin Slot Form Page Styles */
.admin-slot-form-container { max-width: 600px; margin: 40px auto; background: white; padding: 2rem; border-radius: 10px; box-shadow: 0 0 15px rgba(0,0,0,0.1); }
.admin-slot-form-title { text-align: center; color: var(--text-primary); margin-bottom: 20px; }
.admin-slot-form-group { margin-bottom: 20px; text-align: left; }
.admin-slot-form-label { display: block; font-weight: bold; color: #555; margin-bottom: 8px; }
.admin-slot-form-input { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; box-sizing: border-box; font-size: 14px; }
.admin-slot-form-select { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; font-size: 14px; }
.admin-slot-btn-group { display: flex; justify-content: center; gap: 15px; margin-top: 30px; }
.btn-slot-save { background: #003366; color: white; padding: 10px 20px; border: none; border-radius: 4px; cursor: pointer; font-size: 1rem; font-weight: bold; }
.btn-slot-cancel { color: #666; text-decoration: none; font-size: 0.9rem; align-self: center; }

/* Admin Classroom Management Page Styles */
.admin-cls-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.admin-cls-title { color: var(--text-primary); margin: 0; display: inline-block; margin-right: 20px; }
.admin-cls-alert-success { padding: 15px; margin-bottom: 20px; border-radius: 4px; background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; text-align: center; }
.admin-cls-table { width: 100%; border-collapse: collapse; }
.admin-cls-row { vertical-align: middle; }
.admin-cls-status-on { background: #d4edda; color: #155724; padding: 2px 8px; border-radius: 10px; font-size: 12px; font-weight: bold; }
.admin-cls-status-off { background: #f8d7da; color: #721c24; padding: 2px 8px; border-radius: 10px; font-size: 12px; font-weight: bold; }
.admin-cls-action-group { display: flex; gap: 5px; }

/* Classroom Modal Styles */
.admin-cls-modal { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); align-items: center; justify-content: center; }
.admin-cls-modal-content { background: white; padding: 2rem; border-radius: 12px; max-width: 800px; width: 90%; position: relative; box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.admin-cls-modal-title { color: #003366; margin-top: 0; margin-bottom: 20px; text-align: center; }
.admin-cls-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-bottom: 15px; }
.admin-cls-form-group { margin-bottom: 15px; text-align: left; }
.admin-cls-form-label { display: block; font-weight: bold; color: #555; margin-bottom: 8px; }
.admin-cls-form-input { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; box-sizing: border-box; font-size: 14px; }
.admin-cls-eq-list { margin-bottom: 15px; max-height: 200px; overflow-y: auto; border: 1px solid #ddd; padding: 10px; }
.admin-cls-eq-item { display: flex; align-items: center; margin-bottom: 5px; }
.admin-cls-eq-name { flex: 1; }
.admin-cls-eq-qty { width: 60px; margin-left: 10px; }
.admin-cls-modal-buttons { display: flex; justify-content: center; gap: 15px; margin-top: 25px; }

/* Admin Classroom Form Page Styles */
.admin-cls-form-container { max-width: 800px; margin: 40px auto; background: white; padding: 2rem; border-radius: 10px; box-shadow: 0 0 15px rgba(0,0,0,0.1); }
.admin-cls-form-title { text-align: center; color: var(--text-primary); margin-bottom: 20px; }
.admin-cls-form-group { margin-bottom: 20px; text-align: left; }
.admin-cls-form-label { display: block; font-weight: bold; color: #555; margin-bottom: 8px; }
.admin-cls-form-input { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; box-sizing: border-box; font-size: 14px; }
.admin-cls-form-select { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; font-size: 14px; }
.admin-cls-eq-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; margin-bottom: 20px; }
.admin-cls-eq-item { border: 1px solid #ddd; padding: 10px; border-radius: 5px; display: flex; align-items: center; gap: 10px; }
.admin-cls-eq-input { width: 60px; padding: 5px; border: 1px solid #ccc; border-radius: 4px; }
.admin-cls-photo-section { margin-bottom: 20px; }
.admin-cls-existing-photos { display: flex; gap: 15px; margin-bottom: 15px; flex-wrap: wrap; }
.admin-cls-photo-item { text-align: center; font-size: 12px; }
.admin-cls-photo-img { width: 100px; height: 100px; object-fit: cover; border-radius: 5px; border: 1px solid #ddd; }
.admin-cls-btn-group { display: flex; justify-content: center; gap: 15px; margin-top: 30px; }
.btn-cls-save { background: #003366; color: white; padding: 10px 20px; border: none; border-radius: 4px; cursor: pointer; font-size: 1rem; font-weight: bold; }
.btn-cls-cancel { color: #666; text-decoration: none; font-size: 0.9rem; align-self: center; }

/* Classroom Settings Page */
.classroom-settings-title {
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.classroom-settings-alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    text-align: center;
    font-weight: bold;
}

.classroom-settings-desc {
    color: #555;
    margin-bottom: 20px;
    text-align: center;
}

.classroom-settings-form-container {
    max-width: 600px;
    margin: 0 auto;
}

.classroom-settings-table-row {
    vertical-align: middle;
}

.classroom-settings-role-weight {
    color: var(--text-muted);
}

.classroom-settings-checkbox-cell {
    text-align: center;
}

.classroom-settings-checkbox-label {
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.classroom-settings-checkbox {
    transform: scale(1.2);
}

.classroom-settings-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

/* admin_booking_review */
.admin-booking-review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.admin-booking-review-title {
    color: var(--text-primary);
    margin: 0;
}
.admin-booking-review-btn-back {
    padding: 8px 15px;
    font-size: 14px;
}
.admin-booking-review-alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: var(--radius-sm);
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    text-align: center;
    font-weight: bold;
    font-size: 1.1rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
.admin-booking-review-info-panel {
    border-left: 5px solid var(--info-color);
    background: #f0faff;
}
.admin-booking-review-info-flex {
    display: flex;
    align-items: center;
    gap: 10px;
}
.admin-booking-review-info-icon {
    font-size: 1.5rem;
}
.admin-booking-review-info-label {
    color: #003366;
}
.admin-booking-review-info-text {
    color: var(--text-primary);
}
.admin-booking-review-table-head {
    text-align: center;
}
.admin-booking-review-empty-msg {
    text-align: center;
    color: var(--text-muted);
    padding: 30px;
}
.admin-booking-review-row-modified {
    background-color: #fffcf0;
}
.admin-booking-review-row-center {
    vertical-align: middle;
}
.admin-booking-review-cell-center {
    text-align: center;
}
.admin-booking-review-date-sub {
    color: var(--text-muted);
}
.admin-booking-review-status-badge {
    /* Base styles handled by .badge */
}
.admin-booking-review-status-pending {
    background-color: var(--info-color);
}
.admin-booking-review-group-id {
    color: var(--text-muted);
}
.admin-booking-review-actions-flex {
    display: flex;
    gap: 5px;
    justify-content: center;
}
.admin-booking-review-form-inline {
    display: inline;
}
.admin-booking-review-btn-batch {
    opacity: 0.7;
    border: 1px solid white;
}

/* my_bookings */
.my-bookings-title {
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 20px;
}
.my-bookings-nav {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
}
.my-bookings-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
    gap: 10px;
}
.my-bookings-tab-btn {
    padding: 10px 20px;
    font-weight: bold;
}
.my-bookings-empty-msg {
    text-align: center;
    color: var(--text-muted);
    padding: 30px;
}
.my-bookings-row-center {
    vertical-align: middle;
}
.my-bookings-cell-center {
    text-align: center;
}
.my-bookings-actions-flex {
    display: flex;
    gap: 5px;
}
.my-bookings-history-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}
.my-bookings-history-search-group {
    display: flex;
    gap: 10px;
    align-items: center;
}
.my-bookings-history-search-input {
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    width: 250px;
    font-size: 14px;
}
.my-bookings-history-search-btn {
    padding: 8px 15px;
    background: var(--primary-color);
    color: white !important;
}
.my-bookings-history-limit-group {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: #666;
}
.my-bookings-history-select {
    padding: 5px;
    border-radius: 4px;
    border: 1px solid #ddd;
}
.my-bookings-history-custom-input {
    width: 60px;
    padding: 5px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.my-bookings-current-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}
.my-bookings-current-search-group {
    display: flex;
    gap: 10px;
    align-items: center;
}
.my-bookings-current-search-input {
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    width: 250px;
    font-size: 14px;
}
.my-bookings-current-search-btn {
    padding: 8px 15px;
    background: var(--primary-color);
    color: white !important;
}
.my-bookings-current-limit-group {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: #666;
}
.my-bookings-current-select {
    padding: 5px;
    border-radius: 4px;
    border: 1px solid #ddd;
}
.my-bookings-current-custom-input {
    width: 60px;
    padding: 5px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.my-bookings-pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}
.my-bookings-pagination-dots {
    padding: 0 5px;
}

/* news */
.news-search-container {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-bottom: 1rem;
    gap: 0.5rem;
}
.news-search-group {
    width: 300px;
}
.news-search-icon {
    color: #666;
}
.news-table-wrapper {
    background: var(--bg-secondary);
}
.news-thead {
    background: var(--table-stripe);
}
.news-tr-middle {
    vertical-align: middle;
}
.news-col-center {
    text-align: center;
}
.news-col-date {
    width: 160px;
    text-align: center;
}
.news-col-category {
    width: 120px;
    text-align: center;
}
.news-col-author {
    width: 100px;
    text-align: center;
}
.news-col-views {
    width: 80px;
    text-align: center;
}
.news-pagination-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-top: 1px solid #dee2e6;
    background: #fcfcfc;
}
.news-pagination-limit-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: #555;
}
.news-limit-select {
    width: auto;
}
.news-limit-custom {
    width: 60px;
}
.news-pagination-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}
.news-pagination-info {
    font-weight: 500;
}
.news-row-pinned {
    background-color: #fffdf0;
}

/* news_view */
.news-view-header { text-align: center; margin-bottom: 40px; position: relative; }
.news-view-back-link { position: absolute; left: 0; top: 0; text-decoration: none; color: #666; font-size: 0.9rem; transition: color 0.2s }
.news-view-back-link:hover { color: var(--primary-color) }
.news-view-title { color: var(--primary-color); font-size: 2rem; font-weight: bold; margin-bottom: 20px; display: flex; align-items: center; justify-content: center; gap: 10px }
.news-view-meta-bar { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 25px; padding: 12px 20px; background: var(--table-stripe); border-radius: 8px; border: 1px solid #eee; margin: 0 auto; max-width: 800px }
.news-view-meta-item { display: flex; align-items: center; gap: 8px; font-size: 0.9rem }
.news-view-meta-label { color: #666; font-weight: normal }
.news-view-meta-value { color: var(--text-primary); font-weight: 600 }
.news-view-meta-bar .badge-secondary {
    background-color: var(--info-color);
    color: #fff;
}
[data-theme="dark"] .news-view-meta-bar .badge-secondary {
    background-color: var(--info-bg) !important;
    color: var(--info-text) !important;
}
.news-view-content { background: white; padding: 40px; border: 1px solid var(--border-color); border-radius: var(--radius-md); line-height: 1.8; font-size: 1.1rem; color: var(--text-primary); box-shadow: 0 4px 15px rgba(0,0,0,0.05); margin-bottom: 40px }
.news-view-content img { max-width: 100%; height: auto; border-radius: var(--radius-sm) }
.news-view-attachments-section { margin-top: 50px; padding-top: 30px; border-top: 2px solid #eee }
.news-view-section-title { color: var(--primary-color); font-size: 1.3rem; margin-bottom: 20px }
.news-view-attachments-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px }
.news-view-attachment-item { display: flex; align-items: center; gap: 15px; padding: 15px; border: 1px solid var(--border-color); border-radius: var(--radius-sm); background: #fdfdfd; transition: all 0.2s }
.news-view-attachment-item:hover { border-color: var(--primary-color); background: #f8f9fa }
.news-view-file-icon { width: 50px; height: 50px; display: flex; align-items: center; justify-content: center; flex-shrink: 0 }
.news-view-file-thumb { width: 100%; height: 100%; object-fit: cover; border-radius: 4px; cursor: pointer; border: 1px solid #ddd; transition: transform 0.2s }
.news-view-file-thumb:hover { transform: scale(1.1) }
.news-view-icon-doc { font-size: 2rem }
.news-view-file-info { display: flex; flex-direction: column; overflow: hidden }
.news-view-file-name { font-size: 0.9rem; color: var(--text-primary); font-weight: bold; margin-bottom: 5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 200px }
.news-view-file-download { font-size: 0.8rem; color: var(--primary-color); text-decoration: none; font-weight: bold }
.news-view-file-download:hover { text-decoration: underline }
.news-view-img-modal { display: none; position: fixed; z-index: 2000; padding-top: 50px; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.9); cursor: zoom-out }
.news-view-modal-content-img { margin: auto; display: block; max-width: 90%; max-height: 85vh; border-radius: 5px; box-shadow: 0 0 20px rgba(0,0,0,0.5) }
.news-view-close-img { position: absolute; top: 20px; right: 35px; color: #fff; font-size: 40px; font-weight: bold; cursor: pointer }

/* admin_classroom_list photo preview */
.photo-container {
    position: relative;
    display: inline-block;
    cursor: pointer;
}
.photo-thumbnail {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid #ddd;
}
.photo-hover {
    display: none;
    position: absolute;
    top: 0;
    left: 60px;
    width: 200px;
    height: 200px;
    object-fit: cover;
    border: 3px solid var(--bg-secondary);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    border-radius: 8px;
    z-index: 100;
    background: var(--bg-secondary);
}
.photo-container:hover .photo-hover {
    display: block;
}

/* Classroom Settings — dark mode */
[data-theme="dark"] .settings-page-title {
    text-align: center;
    color: #fff;
    margin-bottom: 20px;
}
[data-theme="dark"] .settings-success-msg {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
    background-color: var(--success-bg) !important;
    color: var(--success-text) !important;
    border: 1px solid var(--success-text) !important;
    text-align: center;
    font-weight: bold;
}
[data-theme="dark"] .settings-card-panel {
    background: var(--bg-secondary) !important;
    border-color: var(--border-color) !important;
}
[data-theme="dark"] .settings-page-desc {
    color: var(--text-muted);
    margin-bottom: 20px;
    text-align: center;
}
[data-theme="dark"] .settings-table-wrap {
    max-width: 600px;
    margin: 0 auto;
}
[data-theme="dark"] .settings-table-wrapper thead tr th {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}
[data-theme="dark"] .settings-table-wrapper tbody tr td {
    color: var(--text-primary);
    border-color: var(--border-color);
}
[data-theme="dark"] .settings-table-wrapper tbody tr:nth-child(odd) td { background: var(--bg-secondary) !important; }
[data-theme="dark"] .settings-table-wrapper tbody tr:nth-child(even) td { background: var(--table-stripe) !important; }
[data-theme="dark"] .settings-table-row td {
    vertical-align: middle;
}
[data-theme="dark"] .settings-role-name {
    color: var(--text-primary);
}
[data-theme="dark"] .settings-role-level {
    color: var(--text-muted);
}
[data-theme="dark"] .settings-checkbox-label {
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-muted);
}
[data-theme="dark"] .settings-checkbox-input {
    transform: scale(1.2);
    accent-color: var(--primary-color);
}
[data-theme="dark"] .settings-form-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}
[data-theme="dark"] .settings-form-actions .btn-primary {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}
[data-theme="dark"] .settings-form-actions .btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-muted);
    border-color: var(--border-color);
}

/* Admin Booking Review — dark mode */
[data-theme="dark"] .admin-booking-review-title { color: #fff; }
[data-theme="dark"] .admin-booking-review-btn-back { background: var(--bg-secondary); color: var(--text-muted); border-color: var(--border-color); }
[data-theme="dark"] .admin-booking-review-alert { background: var(--success-bg) !important; color: var(--success-text) !important; border: 1px solid var(--success-text) !important; padding: 15px; margin-bottom: 20px; border-radius: 4px; text-align: center; font-weight: bold; }
[data-theme="dark"] .admin-booking-review-info-panel { background: var(--info-bg) !important; border-color: var(--border-color) !important; color: var(--text-primary); }
[data-theme="dark"] .admin-booking-review-info-icon { color: var(--info-text); }
[data-theme="dark"] .admin-booking-review-info-label { color: var(--info-text); }
[data-theme="dark"] .admin-booking-review-info-text { color: var(--text-primary); }
[data-theme="dark"] .admin-booking-review-table-head th { background: var(--primary-color) !important; color: #fff !important; border-color: var(--primary-color) !important; }
[data-theme="dark"] .admin-booking-review-empty-msg { color: var(--text-muted); text-align: center; padding: 30px; }
[data-theme="dark"] .admin-booking-review-row-center td { vertical-align: middle; text-align: center; color: var(--text-primary); border-color: var(--border-color); background: var(--bg-secondary) !important; }
[data-theme="dark"] .admin-booking-review-row-center:nth-child(even) td { background: var(--table-stripe) !important; }
[data-theme="dark"] tr.admin-booking-review-row-modified td { background: rgba(255,193,7,0.08) !important; }
[data-theme="dark"] tr.admin-booking-review-row-modified:nth-child(even) td { background: rgba(255,193,7,0.12) !important; }
[data-theme="dark"] .admin-booking-review-cell-center { vertical-align: middle; text-align: center; color: var(--text-primary); }
[data-theme="dark"] .admin-booking-review-date-sub { color: var(--text-muted); }
[data-theme="dark"] .admin-booking-review-status-pending { background: var(--info-bg) !important; color: var(--info-text) !important; }
[data-theme="dark"] .admin-booking-review-group-id { color: var(--text-muted); }
[data-theme="dark"] .admin-booking-review-actions-flex { display: flex; gap: 4px; justify-content: center; }
[data-theme="dark"] .conflict-indicator { background: var(--danger-bg); color: var(--danger-text); border-radius: 50%; width: 18px; height: 18px; display: inline-block; text-align: center; line-height: 18px; font-size: 11px; font-weight: bold; margin-left: 4px; }
[data-theme="dark"] .badge-warning { background: var(--warning-bg) !important; color: var(--warning-text) !important; }

/* My Bookings — dark mode */
[data-theme="dark"] .my-bookings-title { color: #fff; }
[data-theme="dark"] .my-bookings-nav { }
[data-theme="dark"] .my-bookings-tabs { }
[data-theme="dark"] .my-bookings-tab-btn { background: var(--bg-secondary); color: var(--text-muted); border-color: var(--border-color); }
[data-theme="dark"] .my-bookings-tab-btn.active { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }
[data-theme="dark"] .my-bookings-empty-msg { color: var(--text-muted); }
[data-theme="dark"] .my-bookings-row-center td { vertical-align: middle; color: var(--text-primary); border-color: var(--border-color); background: var(--bg-secondary) !important; }
[data-theme="dark"] tr.my-bookings-row-center:nth-child(even) td { background: var(--table-stripe) !important; }
[data-theme="dark"] .my-bookings-cell-center { color: var(--text-primary); }
[data-theme="dark"] .my-bookings-actions-flex { }
[data-theme="dark"] .my-bookings-history-toolbar { background: var(--bg-secondary); border-bottom: 1px solid var(--border-color); padding-bottom: 15px; }
[data-theme="dark"] .my-bookings-history-search-input { background: var(--bg-primary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .my-bookings-history-search-btn { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }
[data-theme="dark"] .my-bookings-history-limit-group { color: var(--text-muted); }
[data-theme="dark"] .my-bookings-history-select { background: var(--bg-primary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .my-bookings-history-custom-input { background: var(--bg-primary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .my-bookings-current-toolbar { background: var(--bg-secondary); border-bottom: 1px solid var(--border-color); padding-bottom: 15px; }
[data-theme="dark"] .my-bookings-current-search-input { background: var(--bg-primary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .my-bookings-current-search-btn { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }
[data-theme="dark"] .my-bookings-current-limit-group { color: var(--text-muted); }
[data-theme="dark"] .my-bookings-current-select { background: var(--bg-primary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .my-bookings-current-custom-input { background: var(--bg-primary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .my-bookings-pagination { }
[data-theme="dark"] .my-bookings-pagination-dots { color: var(--text-muted); }
[data-theme="dark"] .my-bookings-error { color: var(--danger-text); }
[data-theme="dark"] .my-bookings-empty-action { color: var(--text-muted); }
[data-theme="dark"] .status-badge-info { background: var(--info-bg) !important; color: var(--info-text) !important; }
[data-theme="dark"] .tab-content { display: block; }

/* Booking Edit (my_booking_edit) — dark mode */
[data-theme="dark"] .booking-edit-title { color: #fff; }
[data-theme="dark"] .booking-edit-container { background: var(--bg-secondary); box-shadow: var(--shadow-soft); }
[data-theme="dark"] .booking-edit-form-label { color: var(--text-muted); }
[data-theme="dark"] .booking-edit-input,
[data-theme="dark"] .booking-edit-select { background: var(--bg-primary); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .booking-edit-divider { border-color: var(--border-color); }
[data-theme="dark"] .booking-edit-slot-item { background: var(--bg-secondary); border-color: var(--border-color); color: var(--text-primary); cursor: pointer; }
[data-theme="dark"] .booking-edit-slot-item .slot-item-time { color: var(--text-muted); }
[data-theme="dark"] .booking-edit-slot-item.slot-selected { background: var(--primary-color); color: #fff; }
[data-theme="dark"] .btn-booking-edit-save { background: var(--primary-color); color: #fff; }
[data-theme="dark"] .btn-booking-edit-cancel { color: var(--text-muted); }

/* Classroom Index — dark mode */
[data-theme="dark"] .classroom-title { color: #fff; }
[data-theme="dark"] .classroom-alert-success { background: var(--success-bg) !important; color: var(--success-text) !important; border-color: var(--success-text) !important; }
[data-theme="dark"] .classroom-filter-bar { background: var(--bg-secondary); border: 1px solid var(--border-color); padding: 15px; border-radius: 8px; }
[data-theme="dark"] .classroom-filter-label { color: var(--text-muted); }
[data-theme="dark"] .classroom-filter-select { background: var(--bg-primary) !important; border-color: var(--border-color) !important; color: var(--text-primary) !important; padding: 8px; border-radius: 4px; font-size: 14px; }
[data-theme="dark"] .classroom-btn-group { }
[data-theme="dark"] .classroom-admin-title { color: #fff !important; border-bottom-color: var(--primary-color) !important; }
[data-theme="dark"] .classroom-admin-nav { }
[data-theme="dark"] .classroom-legend-panel { background: var(--bg-secondary) !important; border: 1px solid var(--border-color); }
[data-theme="dark"] .classroom-legend-label { color: var(--text-muted); }
[data-theme="dark"] .classroom-legend-item span:last-child { color: var(--text-primary); }
[data-theme="dark"] .classroom-calendar-wrapper { background: var(--bg-secondary) !important; border: 1px solid var(--border-color); }
[data-theme="dark"] .classroom-modal-title { color: #fff !important; border-bottom-color: var(--border-color) !important; }