:root {
    --primary-color: #007bff;
    --secondary-color: #0056b3;
    --bg-primary: #ffffff;
    --bg-secondary: #f4f6f9;
    --bg-tertiary: #f8f9fa;
    --text-primary: #343a40;
    --text-secondary: #495057;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --navbar-bg: #ffffff;
    --sidebar-bg: #ffffff;
    --sidebar-hover: #f8f9fa;
    --sidebar-active: #2a5298;
    --card-bg: #ffffff;
    --input-bg: #ffffff;
    --input-border: #dee2e6;
    --shadow-color: rgba(0,0,0,0.08);
    --shadow-light: rgba(0,0,0,0.05);
    --sidebar-toggle-color: #abaeb1;
    --dropdown-bg: #ffffff;
    --dropdown-border: rgba(0,0,0,0.15);
    --dropdown-hover: #f8f9fa;
    --table-striped-bg: rgba(0,0,0,0.02);
    --table-hover-bg: rgba(0,0,0,0.04);
    --modal-bg: #ffffff;
    --code-bg: #f8f9fa;
}

[data-theme="dark"] {
    --bg-primary: #1b1e24;
    --bg-secondary: #141720;
    --bg-tertiary: #252a34;
    --text-primary: #e8ecf2;
    --text-secondary: #bcc5d4;
    --text-muted: #8a96ab;
    --border-color: rgba(255,255,255,0.08);
    --navbar-bg: #1b1e26;
    --sidebar-bg: #1b1e26;
    --sidebar-hover: #252a34;
    --sidebar-active: #2a5298;
    --card-bg: #1e2230;
    --input-bg: #252a34;
    --input-border: rgba(255,255,255,0.12);
    --shadow-color: rgba(0,0,0,0.4);
    --shadow-light: rgba(0,0,0,0.25);
    --sidebar-toggle-color: #7b879a;
    --dropdown-bg: #252a34;
    --dropdown-border: rgba(255,255,255,0.08);
    --dropdown-hover: #2e3442;
    --table-striped-bg: rgba(255,255,255,0.025);
    --table-hover-bg: rgba(140,160,200,0.1);
    --modal-bg: #1e2230;
    --code-bg: #252a34;
    color-scheme: dark;
}

body {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    min-height: 100vh;
}

.navbar-custom {
    background: var(--navbar-bg);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 4px var(--shadow-color);
}

.navbar-custom .navbar-brand {
    color: var(--text-primary);
    font-weight: 600;
}

.navbar-custom .nav-link {
    color: var(--text-secondary);
}

.navbar-custom .dropdown-toggle {
    color: var(--text-primary);
}

.navbar-brand img {
    height: 40px;
    margin-right: 10px;
}

.content-wrapper {
    padding: 24px;
}

.card {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-shadow: 0 1px 3px var(--shadow-light);
    background: var(--card-bg);
    color: var(--text-primary);
}

.card-header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    background: var(--card-bg);
    color: var(--text-primary);
}

.btn-primary {
    background: var(--primary-color);
    border: none;
}

.btn-primary:hover {
    background: var(--secondary-color);
}

.stat-card {
    padding: 12px;
    border-radius: 4px;
    color: white;
    height: 100%;
}

.stat-label {
    font-size: 0.75rem;
    opacity: 0.75;
    margin-bottom: 2px;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .stat-card {
        padding: 20px;
    }
    .stat-label {
        font-size: 0.875rem;
    }
    .stat-value {
        font-size: 2rem;
    }
}

.stat-card.blue {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
}

.stat-card.green {
    background: linear-gradient(135deg, #0d7c3f, #28a745);
}

.stat-card.orange {
    background: linear-gradient(135deg, #e85d04, #fd7e14);
}

.stat-card.purple {
    background: linear-gradient(135deg, #4a1a8a, #6f42c1);
}

.stat-card.teal {
    background: linear-gradient(135deg, #0a6c74, #17a2b8);
}

.stat-card i {
    font-size: 2rem;
    opacity: 0.5;
}

.sidebar-toggle {
    background: none;
    color: var(--sidebar-toggle-color);
    font-size: 1.5rem;
    border: 1px solid var(--sidebar-toggle-color);
    border-radius: 10px;
    padding: 0 5px;
    margin-right: 15px;
}

.sidebar-toggle:hover {
    color: var(--primary-color);
}

.main-container {
    display: flex;
    min-height: calc(100vh - 67px);
}

.main-sidebar {
    flex: 0 0 250px;
    width: 250px;
    transition: all 0.3s ease;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: 2px 0 4px var(--shadow-color);
}

.main-sidebar.collapsed {
    flex: 0 0 70px;
    width: 70px;
    min-width: 70px;
}

.main-sidebar .nav {
    padding: 20px 0;
}

.main-sidebar .nav-link {
    color: var(--text-muted) !important;
    text-decoration: none !important;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-radius: 4px;
    margin: 2px 8px;
    border-left: 3px solid transparent;
    transition: all 0.2s ease;
}

.main-sidebar .nav-link i {
    font-size: 1.1rem;
    min-width: 20px;
}

.main-sidebar .nav-link:hover {
    background: var(--sidebar-hover) !important;
    color: var(--text-muted) !important;
    text-decoration: none !important;
}

.main-sidebar .nav-link.active,
.main-sidebar .nav-link.active:hover,
.main-sidebar .nav-link.active:focus {
    background: var(--sidebar-active) !important;
    color: white !important;
    border-left-color: var(--sidebar-active) !important;
    font-weight: 500;
    text-decoration: none !important;
}

.sidebar-menu {
    list-style: none;
    margin: 0;
    padding: 20px 0;
}

.sidebar-menu li {
    margin: 0;
    padding: 0 12px;
}

.sidebar-menu a,
.sidebar-menu a:link,
.sidebar-menu a:visited {
    color: var(--text-primary) !important;
    text-decoration: none !important;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-radius: 4px;
    margin: 2px 0;
    border-left: 3px solid transparent;
    transition: all 0.2s ease;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-menu a:hover {
    background: var(--sidebar-hover) !important;
    color: var(--text-primary) !important;
    text-decoration: none !important;
}

.sidebar-menu a.active,
.sidebar-menu a.active:hover,
.sidebar-menu a.active:focus {
    background: var(--sidebar-active) !important;
    color: white !important;
    border-left-color: var(--sidebar-active) !important;
    font-weight: 500;
    text-decoration: none !important;
}

.sidebar-menu i {
    font-size: 1.1rem;
    min-width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-menu .menu-text {
    transition: opacity 0.15s ease, width 0.15s ease;
    opacity: 1;
}

.main-sidebar.collapsed .menu-text {
    opacity: 0;
    width: 0;
    display: none;
}

.main-sidebar.collapsed .sidebar-menu a {
    justify-content: center;
    padding: 14px 0;
    gap: 0;
}

.main-sidebar.collapsed .sidebar-menu a.active {
    border-left-color: var(--primary-color);
    padding-left: 0;
}

.main-sidebar.collapsed .sidebar-menu li {
    padding: 0 8px;
}

.main-content {
    flex: 1;
    padding: 24px;
    min-width: 0;
    background-color: var(--bg-secondary);
}

#theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 8px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1.1rem;
}

#theme-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

[data-theme="dark"] .dropdown-menu {
    background-color: var(--dropdown-bg);
    border-color: var(--dropdown-border);
}

[data-theme="dark"] .dropdown-item {
    color: var(--text-primary);
}

[data-theme="dark"] .dropdown-item:hover,
[data-theme="dark"] .dropdown-item:focus {
    background-color: var(--dropdown-hover);
    color: var(--text-primary);
}

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

[data-theme="dark"] .dropdown-divider {
    border-color: var(--border-color);
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-primary);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background-color: var(--input-bg);
    border-color: var(--primary-color);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.25rem rgba(0, 123, 255, 0.15);
}

[data-theme="dark"] .form-control::placeholder {
    color: var(--text-muted);
}

[data-theme="dark"] .input-group-text {
    background-color: var(--bg-tertiary);
    border-color: var(--input-border);
    color: var(--text-secondary);
}

[data-theme="dark"] .form-label,
[data-theme="dark"] label {
    color: var(--text-primary);
}

[data-theme="dark"] .form-check-input {
    background-color: var(--input-bg);
    border-color: var(--input-border);
}

[data-theme="dark"] .table {
    --bs-table-bg: var(--card-bg);
    --bs-table-color: var(--text-primary);
    --bs-table-border-color: var(--border-color);
    --bs-table-striped-bg: var(--table-striped-bg);
    --bs-table-hover-bg: var(--table-hover-bg);
    color: var(--text-primary);
}

[data-theme="dark"] .table thead th {
    border-bottom-color: var(--border-color);
    color: var(--text-secondary);
}

[data-theme="dark"] .table td {
    border-color: var(--border-color);
}

[data-theme="dark"] .modal-content {
    background-color: var(--modal-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .modal-header {
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .modal-footer {
    border-top-color: var(--border-color);
}

[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

[data-theme="dark"] .alert-info {
    background-color: rgba(13, 202, 240, 0.15);
    border-color: rgba(13, 202, 240, 0.3);
    color: #6edff6;
}

[data-theme="dark"] .alert-success {
    background-color: rgba(25, 135, 84, 0.15);
    border-color: rgba(25, 135, 84, 0.3);
    color: #75b798;
}

[data-theme="dark"] .alert-warning {
    background-color: rgba(255, 193, 7, 0.15);
    border-color: rgba(255, 193, 7, 0.3);
    color: #ffda6a;
}

[data-theme="dark"] .alert-danger {
    background-color: rgba(220, 53, 69, 0.15);
    border-color: rgba(220, 53, 69, 0.3);
    color: #ea868f;
}

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

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

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

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

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

[data-theme="dark"] .border {
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .border-bottom {
    border-bottom-color: var(--border-color) !important;
}

[data-theme="dark"] .border-top {
    border-top-color: var(--border-color) !important;
}

[data-theme="dark"] .accordion-item {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .accordion-button {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border-color: var(--border-color);
    box-shadow: none;
}

[data-theme="dark"] .accordion-button:not(.collapsed) {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    box-shadow: none;
}

[data-theme="dark"] .accordion-button::after {
    filter: invert(1) grayscale(100%) brightness(200%);
}

[data-theme="dark"] .accordion-button:focus {
    box-shadow: none;
    border-color: var(--border-color);
}

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

[data-theme="dark"] .list-group-item {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .breadcrumb {
    --bs-breadcrumb-divider-color: var(--text-muted);
}

[data-theme="dark"] .breadcrumb-item a {
    color: var(--primary-color);
}

[data-theme="dark"] .breadcrumb-item.active {
    color: var(--text-muted);
}

[data-theme="dark"] .page-link {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .page-link:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
}

[data-theme="dark"] .page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

[data-theme="dark"] .page-item.disabled .page-link {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-muted);
}

[data-theme="dark"] .navbar-toggler {
    border-color: var(--border-color);
}

[data-theme="dark"] .navbar-toggler-icon {
    filter: invert(1);
}

[data-theme="dark"] .btn-outline-secondary {
    color: var(--text-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .btn-outline-secondary:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .btn-light {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .btn-light:hover {
    background-color: var(--dropdown-hover);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] code {
    background-color: var(--code-bg);
    color: #e685b5;
}

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

[data-theme="dark"] hr {
    border-color: var(--border-color);
}

[data-theme="dark"] .shadow,
[data-theme="dark"] .shadow-sm {
    box-shadow: 0 0.125rem 0.25rem var(--shadow-color) !important;
}

[data-theme="dark"] .badge.bg-info {
    background-color: rgba(56, 178, 220, 0.2) !important;
    color: #6ec8e0 !important;
}

[data-theme="dark"] .badge.bg-primary {
    background-color: rgba(66, 133, 244, 0.2) !important;
    color: #7aadf5 !important;
}

[data-theme="dark"] .badge.bg-success {
    background-color: rgba(40, 167, 69, 0.2) !important;
    color: #6ece8a !important;
}

[data-theme="dark"] .badge.bg-warning {
    background-color: rgba(255, 170, 0, 0.18) !important;
    color: #e8b44c !important;
}

[data-theme="dark"] .badge.bg-danger {
    background-color: rgba(220, 53, 69, 0.2) !important;
    color: #e07a84 !important;
}

[data-theme="dark"] .badge.bg-secondary {
    background-color: rgba(108, 117, 125, 0.25) !important;
    color: #8e99a4 !important;
}

[data-theme="dark"] .text-dark {
    color: inherit !important;
}

[data-theme="dark"] .table-hover > tbody > tr:hover > * {
    --bs-table-hover-bg: var(--table-hover-bg);
    background-color: var(--table-hover-bg) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .btn-outline-primary {
    color: #7aadf5;
    border-color: rgba(66, 133, 244, 0.4);
}

[data-theme="dark"] .btn-outline-primary:hover {
    background-color: rgba(66, 133, 244, 0.15);
    color: #92bdf7;
    border-color: rgba(66, 133, 244, 0.5);
}

[data-theme="dark"] .btn-outline-secondary {
    color: #8e99a4;
    border-color: rgba(108, 117, 125, 0.4);
}

[data-theme="dark"] .btn-outline-secondary:hover {
    background-color: rgba(108, 117, 125, 0.15);
    color: #a5adb6;
    border-color: rgba(108, 117, 125, 0.5);
}

[data-theme="dark"] .btn-outline-info {
    color: #6ec8e0;
    border-color: rgba(56, 178, 220, 0.4);
}

[data-theme="dark"] .btn-outline-info:hover {
    background-color: rgba(56, 178, 220, 0.15);
    color: #88d4e8;
    border-color: rgba(56, 178, 220, 0.5);
}

[data-theme="dark"] .btn-outline-danger {
    color: #e07a84;
    border-color: rgba(220, 53, 69, 0.4);
}

[data-theme="dark"] .btn-outline-danger:hover {
    background-color: rgba(220, 53, 69, 0.15);
    color: #e8939b;
    border-color: rgba(220, 53, 69, 0.5);
}

[data-theme="dark"] .btn-outline-success {
    color: #6ece8a;
    border-color: rgba(40, 167, 69, 0.4);
}

[data-theme="dark"] .btn-outline-success:hover {
    background-color: rgba(40, 167, 69, 0.15);
    color: #88d8a0;
    border-color: rgba(40, 167, 69, 0.5);
}

[data-theme="dark"] .btn-outline-warning {
    color: #e8b44c;
    border-color: rgba(255, 170, 0, 0.4);
}

[data-theme="dark"] .btn-outline-warning:hover {
    background-color: rgba(255, 170, 0, 0.12);
    color: #edc36a;
    border-color: rgba(255, 170, 0, 0.5);
}

[data-theme="dark"] .btn-group .btn-outline-primary,
[data-theme="dark"] .btn-group .btn-outline-secondary,
[data-theme="dark"] .btn-group .btn-outline-info,
[data-theme="dark"] .btn-group .btn-outline-danger {
    border-color: rgba(255,255,255,0.1);
}

[data-theme="dark"] .stat-card {
    border: 1px solid rgba(255,255,255,0.06);
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

[data-theme="dark"] .stat-card.blue {
    background: linear-gradient(135deg, #1a3a5c 0%, #1e4976 100%);
    border-color: rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .stat-card.orange {
    background: linear-gradient(135deg, #4a2e12 0%, #5c3a1a 100%);
    border-color: rgba(251, 146, 60, 0.2);
}

[data-theme="dark"] .stat-card.green {
    background: linear-gradient(135deg, #0a3d1f 0%, #145a2e 100%);
    border-color: rgba(40, 167, 69, 0.25);
}

[data-theme="dark"] .stat-card.purple {
    background: linear-gradient(135deg, #2d1f4e 0%, #382660 100%);
    border-color: rgba(139, 92, 246, 0.2);
}

[data-theme="dark"] .stat-card.teal {
    background: linear-gradient(135deg, #0a3d42 0%, #125a62 100%);
    border-color: rgba(23, 162, 184, 0.25);
}

[data-theme="dark"] .stat-card i {
    opacity: 0.35;
}

[data-theme="dark"] .stat-card h6 {
    color: rgba(255,255,255,0.6);
}

[data-theme="dark"] .stat-card h2 {
    color: rgba(255,255,255,0.9);
}

[data-theme="dark"] .btn-primary {
    background-color: rgba(59, 130, 246, 0.2);
    color: #7aadf5;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

[data-theme="dark"] .btn-primary:hover {
    background-color: rgba(59, 130, 246, 0.3);
    color: #92bdf7;
    border-color: rgba(59, 130, 246, 0.45);
}

[data-theme="dark"] .btn-success {
    background-color: rgba(40, 167, 69, 0.2);
    color: #6ece8a;
    border: 1px solid rgba(40, 167, 69, 0.3);
}

[data-theme="dark"] .btn-success:hover {
    background-color: rgba(40, 167, 69, 0.3);
    color: #88d8a0;
    border-color: rgba(40, 167, 69, 0.45);
}

[data-theme="dark"] .btn-warning {
    background-color: rgba(255, 170, 0, 0.18);
    color: #e8b44c;
    border: 1px solid rgba(255, 170, 0, 0.3);
}

[data-theme="dark"] .btn-warning:hover {
    background-color: rgba(255, 170, 0, 0.28);
    color: #edc36a;
    border-color: rgba(255, 170, 0, 0.45);
}

[data-theme="dark"] .btn-danger {
    background-color: rgba(220, 53, 69, 0.2);
    color: #e07a84;
    border: 1px solid rgba(220, 53, 69, 0.3);
}

[data-theme="dark"] .btn-danger:hover {
    background-color: rgba(220, 53, 69, 0.3);
    color: #e8939b;
    border-color: rgba(220, 53, 69, 0.45);
}

[data-theme="dark"] .bg-primary.bg-opacity-10 {
    background-color: rgba(59, 130, 246, 0.12) !important;
}

[data-theme="dark"] .bg-success.bg-opacity-10 {
    background-color: rgba(40, 167, 69, 0.12) !important;
}

[data-theme="dark"] .bg-warning.bg-opacity-10 {
    background-color: rgba(255, 170, 0, 0.12) !important;
}

[data-theme="dark"] .bg-danger.bg-opacity-10 {
    background-color: rgba(220, 53, 69, 0.12) !important;
}

[data-theme="dark"] .search-results {
    background: var(--dropdown-bg);
    box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}

[data-theme="dark"] .search-result-item {
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .search-result-item:hover {
    background: var(--dropdown-hover);
}

[data-theme="dark"] .fetcher-radio-item {
    border-color: var(--border-color);
}

[data-theme="dark"] .fetcher-radio-item:hover {
    border-color: rgba(66, 133, 244, 0.4);
    background: rgba(66, 133, 244, 0.08);
}

[data-theme="dark"] .fetcher-radio-item.selected {
    border-color: rgba(66, 133, 244, 0.6);
    background: rgba(66, 133, 244, 0.12);
}

[data-theme="dark"] .action-buttons {
    background: var(--card-bg);
    box-shadow: 0 -4px 16px rgba(0,0,0,0.4);
}

[data-theme="dark"] .verify-photo {
    border-color: var(--border-color);
}

[data-theme="dark"] .verify-student-row {
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .recent-scan-item {
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .waiting-item {
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .status-badge.released {
    background: rgba(40, 167, 69, 0.18);
    color: #6ece8a;
}

[data-theme="dark"] .status-badge.manual {
    background: rgba(255, 170, 0, 0.15);
    color: #e8b44c;
}

[data-theme="dark"] .status-badge.unaccompanied {
    background: rgba(56, 178, 220, 0.15);
    color: #6ec8e0;
}

@media (max-width: 768px) {
    .main-sidebar {
        position: fixed;
        left: -250px;
        top: 56px;
        height: calc(100vh - 56px);
        z-index: 1000;
        transition: left 0.3s ease;
    }

    .main-sidebar.collapsed {
        left: 0;
        flex: 0 0 250px;
        width: 250px;
    }

    .main-sidebar.collapsed .menu-text {
        opacity: 1;
        width: auto;
        display: inline;
    }

    .main-sidebar.collapsed .sidebar-menu a {
        justify-content: flex-start;
        padding: 8px 12px;
        gap: 10px;
        font-size: 0.9rem;
    }

    .sidebar-menu {
        padding: 10px 0;
    }

    .sidebar-menu li {
        padding: 0 8px;
    }

    .sidebar-menu a,
    .sidebar-menu a:link,
    .sidebar-menu a:visited {
        padding: 8px 12px;
        gap: 10px;
        font-size: 0.9rem;
        margin: 1px 0;
    }

    .sidebar-menu i {
        font-size: 1rem;
    }

    .main-content {
        width: 100%;
    }

    .sidebar-overlay {
        position: fixed;
        top: 56px;
        left: 0;
        width: 100vw;
        height: calc(100vh - 56px);
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        display: none;
    }

    .sidebar-overlay.active {
        display: block;
    }
}

.scanner-container {
    max-width: 600px;
    margin: 0 auto;
    padding-bottom: 100px;
}

.location-badge {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.scanner-box {
    background: #000;
    border-radius: 16px;
    aspect-ratio: 1;
    position: relative;
    overflow: hidden;
}

.scanner-box #reader {
    width: 100% !important;
    height: 100% !important;
}

.scanner-box #reader video {
    border-radius: 16px;
    object-fit: cover;
}

.scanner-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    background: #1a1a2e;
    cursor: pointer;
    transition: background 0.3s;
}

.scanner-placeholder:hover {
    background: #16213e;
}

.scanner-placeholder i {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.8;
}

.scan-mode-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    z-index: 10;
    background: #0d6efd;
    color: white;
}

.camera-switch-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 10;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.85;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.camera-switch-btn:hover {
    opacity: 1;
}

.action-buttons {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    padding: 16px;
    box-shadow: 0 -4px 16px rgba(0,0,0,0.1);
    z-index: 100;
}

.action-buttons .container {
    max-width: 600px;
    margin: 0 auto;
}

.action-btn {
    padding: 14px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
}

.toast-container {
    position: fixed;
    top: 80px;
    right: 16px;
    z-index: 1050;
}

#reader__scan_region { border: none !important; }
#reader__dashboard_section { display: none !important; }
#reader__scan_region img { display: none !important; }

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border-radius: 0 0 12px 12px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
}

.search-result-item {
    padding: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid #e9ecef;
}

.search-result-item:hover { background: #f8f9fa; }

.search-result-item img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.search-result-item.checked-in {
    opacity: 0.6;
    background: #f8f9fa;
}

.verify-photo {
    width: 110px;
    height: 110px;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid #dee2e6;
}

.verify-photo.type-fetcher { border-color: #0d6efd; }
.verify-photo.type-parent  { border-color: #6f42c1; }
.verify-photo.type-student { border-color: #198754; }
.verify-photo.type-unaccompanied { border-color: #0dcaf0; }

.verify-arrow {
    display: flex;
    align-items: center;
    padding: 0 4px;
}

#verifyDualPhoto .verify-photo {
    width: 90px;
    height: 90px;
}

.verify-student-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid #e9ecef;
}

.verify-student-row:last-child { border-bottom: none; }

.verify-student-row img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.recent-scan-item {
    padding: 12px;
    border-bottom: 1px solid #e9ecef;
}

.recent-scan-item:last-child {
    border-bottom: none;
}

.status-badge {
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
}

.status-badge.released { background: #d1e7dd; color: #0f5132; }
.status-badge.manual { background: #fff3cd; color: #664d03; }
.status-badge.unaccompanied { background: #cff4fc; color: #055160; }

.waiting-item {
    padding: 10px 12px;
    border-bottom: 1px solid #e9ecef;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.waiting-item .waiting-photo {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.waiting-item .wait-time {
    font-size: 12px;
    font-weight: 600;
}

.waiting-item .wait-time.warning { color: #e67e22; }
.waiting-item .wait-time.critical { color: #e74c3c; }

.waiting-item .btn-manual-release {
    padding: 4px 8px;
    font-size: 11px;
    white-space: nowrap;
}

.fetcher-radio-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border: 2px solid #dee2e6;
    border-radius: 10px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

.fetcher-radio-item:hover {
    border-color: #86b7fe;
    background: #f8f9ff;
}

.fetcher-radio-item.selected {
    border-color: #0d6efd;
    background: #e8f0fe;
}

.fetcher-radio-item input[type="radio"] {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    accent-color: #0d6efd;
    cursor: pointer;
}

.fetcher-radio-item label {
    flex: 1;
    cursor: pointer;
    margin: 0;
}

.display-page {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    min-height: 100vh;
    color: white;
    font-family: 'Segoe UI', system-ui, sans-serif;
    overflow-x: hidden;
}

.display-page .header {
    background: rgba(0,0,0,0.2);
    padding: 20px 40px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.display-page .header > a:first-child {
    margin-right: auto;
}

.display-page .header h1 {
    font-size: 28px;
    margin: 0;
    font-weight: 600;
}

.display-page .header-clock-logout {
    display: flex;
    align-items: center;
    gap: 12px;
}

.display-page .header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.display-page .stats-badge {
    background: rgba(255,255,255,0.2);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
}

.display-page .clock {
    font-size: 24px;
    font-weight: 300;
}

.display-page .queue-container {
    padding: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.display-page .queue-container.monitor {
    padding: 20px 30px;
    max-width: 1600px;
}

.display-page .queue-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 700;
}

.display-page .student-card {
    background: rgba(255,255,255,0.95);
    color: #333;
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

.display-page .student-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-50px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.display-page .student-photo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-color);
    margin-right: 24px;
    flex-shrink: 0;
}

.display-page .student-photo-placeholder {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 24px;
    font-size: 40px;
    color: white;
    flex-shrink: 0;
}

.display-page .student-info {
    flex-grow: 1;
}

.display-page .student-info h2 {
    font-size: 32px;
    margin: 0 0 8px;
    color: var(--primary-color);
    font-weight: 700;
}

.display-page .student-info .details {
    font-size: 18px;
    color: #666;
    margin-bottom: 4px;
}

.display-page .student-info .fetcher {
    font-size: 16px;
    color: #999;
}

.display-page .wait-time {
    margin-left: auto;
    text-align: right;
    padding-left: 24px;
}

.display-page .wait-time .time {
    font-size: 48px;
    font-weight: bold;
    line-height: 1;
}

.display-page .wait-time.normal .time { color: var(--success-color); }
.display-page .wait-time.warning .time { color: #e74c3c; }

.display-page .student-card.long-wait,
.display-page .student-card-compact.long-wait,
.display-page .monitor-card.long-wait {
    border: 2px solid rgba(231, 76, 60, 0.6);
    animation: longWaitPulse 3s ease-in-out infinite;
}

@keyframes longWaitPulse {
    0%, 100% { border-color: rgba(231, 76, 60, 0.5); }
    50% { border-color: rgba(231, 76, 60, 0.9); }
}

.display-page .student-card.new-arrival {
    animation: slideIn 0.5s ease, pulse 1s 5;
}

.display-page .wait-time .label {
    font-size: 14px;
    color: #999;
    text-transform: uppercase;
    margin-top: 4px;
}

.display-page .empty-message {
    text-align: center;
    padding: 100px 20px;
    font-size: 28px;
    opacity: 0.7;
}

.display-page .search-bar {
    max-width: 600px;
    margin: 0 auto 20px;
}

.display-page .search-bar input {
    font-size: 16px;
    padding: 12px 20px;
    border-radius: 50px;
    border: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.display-page .filter-sort-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.display-page .filter-sort-row .divider {
    width: 1px;
    height: 24px;
    background: rgba(255,255,255,0.3);
    margin: 0 6px;
}

.display-page .filter-sort-row .btn {
    border-radius: 20px;
    padding: 5px 14px;
    font-size: 13px;
}

.display-page .filter-sort-row .btn.active {
    background: rgba(255,255,255,0.95);
    color: var(--primary-color);
    font-weight: 600;
}

.display-page .filter-sort-row .btn:not(.active) {
    background: rgba(255,255,255,0.15);
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
}

.display-page .filter-sort-row .btn:not(.active):hover {
    background: rgba(255,255,255,0.3);
}

.display-page .monitor-card {
    background: rgba(255,255,255,0.93);
    color: #333;
    border-radius: 10px;
    padding: 10px 16px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.15s;
}

.display-page .monitor-card:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.display-page .monitor-card.new-arrival {
    animation: slideIn 0.5s ease, pulse 1s 5;
}

.display-page .monitor-card .student-photo,
.display-page .monitor-card .student-photo-placeholder {
    width: 44px;
    height: 44px;
    margin-right: 14px;
    border-width: 2px;
    font-size: 18px;
}

.display-page .monitor-card .student-info {
    min-width: 0;
}

.display-page .monitor-card .student-info h2 {
    font-size: 15px;
    margin: 0 0 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.display-page .monitor-card .student-info .details {
    font-size: 13px;
    margin-bottom: 0;
    color: #777;
}

.display-page .monitor-card .student-info .fetcher {
    font-size: 12px;
    color: #aaa;
}

.display-page .monitor-card .wait-time {
    padding-left: 14px;
    white-space: nowrap;
}

.display-page .monitor-card .wait-time .time {
    font-size: 20px;
}

.display-page .monitor-card .wait-time .label {
    display: none;
}

.display-page .monitor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 8px;
}

.display-page .monitor-result-count {
    text-align: center;
    font-size: 14px;
    opacity: 0.7;
    margin-bottom: 12px;
}

.display-page .queue-split {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.display-page .queue-main {
    flex: 1;
    min-width: 0;
}

.display-page .queue-overflow {
    width: 420px;
    flex-shrink: 0;
    max-height: calc(100vh - 200px);
    overflow-y: auto;
}

.display-page .queue-overflow::-webkit-scrollbar { width: 6px; }
.display-page .queue-overflow::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.3); border-radius: 3px; }

.display-page .queue-overflow-header {
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
    margin-bottom: 12px;
    font-weight: 600;
}

.display-page .student-card-compact {
    background: rgba(255,255,255,0.90);
    color: #333;
    border-radius: 12px;
    padding: 12px 16px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.display-page .student-card-compact .student-photo,
.display-page .student-card-compact .student-photo-placeholder {
    width: 48px;
    height: 48px;
    margin-right: 12px;
    border-width: 2px;
    font-size: 20px;
}

.display-page .student-card-compact .student-info h2 {
    font-size: 16px;
    margin: 0 0 2px;
}

.display-page .student-card-compact .student-info .details {
    font-size: 13px;
    margin-bottom: 0;
}

.display-page .student-card-compact .student-info .fetcher {
    font-size: 12px;
    opacity: 0.7;
    margin-top: 1px;
}

.display-page .student-card-compact .wait-time {
    padding-left: 12px;
}

.display-page .student-card-compact .wait-time .time {
    font-size: 22px;
}

.display-page .student-card-compact .wait-time .label {
    display: none;
}

.display-page .student-card-compact.new-arrival {
    animation: slideIn 0.5s ease, pulse 1s 5;
}

.display-page .fullscreen-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.display-page .loading {
    text-align: center;
    padding: 40px;
    font-size: 20px;
}

.display-page .spinner-border {
    width: 3rem;
    height: 3rem;
}

@media (max-width: 768px) {
    .display-page .header {
        padding: 12px 16px;
        flex-wrap: wrap;
        gap: 8px;
    }
    .display-page .header img {
        height: 36px !important;
    }
    .display-page .header-clock-logout {
        margin-left: auto;
        gap: 8px;
    }
    .display-page .header-right {
        order: 2;
        width: 100%;
        gap: 8px;
        flex-wrap: wrap;
        justify-content: center;
    }
    .display-page .stats-badge {
        padding: 4px 10px;
        font-size: 12px;
    }
    .display-page .clock {
        font-size: 11px;
        white-space: nowrap;
    }
    .display-page .queue-container {
        padding: 16px;
    }
    .display-page .queue-container.monitor {
        padding: 12px;
    }
    .display-page .queue-title {
        font-size: 16px;
        margin-bottom: 12px;
        letter-spacing: 1px;
    }
    .display-page .student-card {
        padding: 14px;
        border-radius: 12px;
        margin-bottom: 12px;
    }
    .display-page .student-photo {
        width: 60px;
        height: 60px;
        margin-right: 14px;
        border-width: 3px;
    }
    .display-page .student-photo-placeholder {
        width: 60px;
        height: 60px;
        margin-right: 14px;
        font-size: 24px;
    }
    .display-page .student-info h2 {
        font-size: 18px;
        margin-bottom: 4px;
    }
    .display-page .student-info .details {
        font-size: 14px;
    }
    .display-page .student-info .fetcher {
        font-size: 13px;
    }
    .display-page .wait-time {
        padding-left: 10px;
    }
    .display-page .wait-time .time {
        font-size: 28px;
    }
    .display-page .wait-time .label {
        font-size: 11px;
    }
    .display-page .queue-split {
        flex-direction: column;
        gap: 16px;
    }
    .display-page .queue-overflow {
        width: 100%;
        max-height: none;
        overflow-y: visible;
    }
    .display-page .student-card-compact {
        padding: 8px 12px;
        margin-bottom: 6px;
        border-radius: 10px;
    }
    .display-page .student-card-compact .student-photo,
    .display-page .student-card-compact .student-photo-placeholder {
        width: 40px;
        height: 40px;
        margin-right: 10px;
        font-size: 16px;
    }
    .display-page .student-card-compact .student-info h2 {
        font-size: 14px;
    }
    .display-page .student-card-compact .student-info .details {
        font-size: 12px;
    }
    .display-page .student-card-compact .wait-time .time {
        font-size: 18px;
    }
    .display-page .empty-message {
        padding: 50px 16px;
        font-size: 20px;
    }
    .display-page .empty-message .bi-inbox {
        font-size: 48px !important;
    }
    .display-page .monitor-grid {
        grid-template-columns: 1fr;
        gap: 6px;
    }
    .display-page .search-bar {
        margin-bottom: 12px;
    }
    .display-page .search-bar input {
        font-size: 14px;
        padding: 10px 16px;
    }
    .display-page .filter-sort-row {
        gap: 5px;
        margin-bottom: 12px;
    }
    .display-page .filter-sort-row .btn {
        padding: 4px 10px;
        font-size: 12px;
    }
    .display-page .filter-sort-row .divider {
        height: 18px;
        margin: 0 3px;
    }
    .display-page .fullscreen-btn {
        bottom: 12px;
        right: 12px;
    }
}

@media (max-width: 480px) {
    .display-page .header-right .btn-outline-light {
        font-size: 12px;
        padding: 3px 8px;
    }
    .display-page .header-right .btn-outline-light .me-1 {
        margin-right: 2px !important;
    }
    .display-page .student-card {
        padding: 12px;
    }
    .display-page .student-photo,
    .display-page .student-photo-placeholder {
        width: 48px;
        height: 48px;
        margin-right: 10px;
    }
    .display-page .student-photo-placeholder {
        font-size: 20px;
    }
    .display-page .student-photo {
        border-width: 2px;
    }
    .display-page .student-info h2 {
        font-size: 16px;
    }
    .display-page .student-info .details {
        font-size: 13px;
    }
    .display-page .student-info .fetcher {
        font-size: 12px;
    }
    .display-page .wait-time .time {
        font-size: 22px;
    }
    .display-page .queue-title {
        font-size: 16px;
        margin-bottom: 16px;
    }
}

.auth-page {
    background: linear-gradient(135deg, rgba(30, 60, 114, 0.92) 0%, rgba(42, 82, 152, 0.92) 100%),
                var(--auth-bg-image) center/cover no-repeat fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.auth-container {
    max-width: 450px;
    width: 100%;
}
.auth-page .logo-section {
    text-align: center;
    color: white;
    margin-bottom: 15px;
}
.auth-page .logo-container {
    width: 150px;
    height: 150px;
    margin: 0 auto 15px;
}
.auth-page .logo-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
.auth-card {
    background: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}
.auth-card h2 {
    color: #1e3c72;
    margin-bottom: 10px;
    font-weight: 700;
}
.auth-card .subtitle {
    color: #666;
    margin-bottom: 30px;
}
.auth-page .form-label {
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}
.auth-page .form-control,
.auth-page .form-select {
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid #ddd;
}
.auth-page .form-control:focus,
.auth-page .form-select:focus {
    border-color: #2a5298;
    box-shadow: 0 0 0 0.2rem rgba(42, 82, 152, 0.15);
}
.btn-login {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    border: none;
    padding: 12px;
    font-weight: 600;
    border-radius: 8px;
    width: 100%;
    margin-top: 10px;
}
.btn-login:hover {
    background: linear-gradient(135deg, #152d5a 0%, #1f4178 100%);
}
.auth-page .footer-links {
    text-align: center;
    margin-top: 20px;
}
.auth-page .footer-links a {
    color: #2a5298;
    text-decoration: none;
    font-size: 14px;
}
.auth-page .footer-links a:hover {
    text-decoration: underline;
}
.auth-page .alert {
    border-radius: 8px;
    margin-bottom: 20px;
}

[data-theme="dark"] .select2-container--bootstrap-5 .select2-selection {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-primary);
}

[data-theme="dark"] .select2-container--bootstrap-5 .select2-selection--single .select2-selection__rendered {
    color: var(--text-primary);
}

[data-theme="dark"] .select2-container--bootstrap-5 .select2-selection--single .select2-selection__placeholder {
    color: var(--text-muted);
}

[data-theme="dark"] .select2-container--bootstrap-5 .select2-selection--single .select2-selection__clear,
[data-theme="dark"] .select2-container--bootstrap-5 .select2-selection--single .select2-selection__arrow b {
    color: var(--text-secondary);
}

[data-theme="dark"] .select2-container--bootstrap-5 .select2-dropdown {
    background-color: var(--dropdown-bg);
    border-color: var(--dropdown-border);
}

[data-theme="dark"] .select2-container--bootstrap-5 .select2-search--dropdown .select2-search__field {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-primary);
}

[data-theme="dark"] .select2-container--bootstrap-5 .select2-results__option {
    color: var(--text-primary);
}

[data-theme="dark"] .select2-container--bootstrap-5 .select2-results__option--highlighted {
    background-color: var(--dropdown-hover);
    color: var(--text-primary);
}

[data-theme="dark"] .select2-container--bootstrap-5 .select2-results__option--selected {
    background-color: var(--sidebar-active);
    color: #fff;
}

[data-theme="dark"] .select2-container--bootstrap-5 .select2-selection--single:focus,
[data-theme="dark"] .select2-container--bootstrap-5.select2-container--focus .select2-selection,
[data-theme="dark"] .select2-container--bootstrap-5.select2-container--open .select2-selection {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(0, 123, 255, 0.15);
}