/* ============================================
   Quizyy - Educational Platform
   IXL-Inspired Clean Design System
   ============================================ */

/* === Color System === */
:root {
    /* IXL-Style Colors */
    --ixl-teal: #00B8A9;
    --ixl-orange: #F5A623;
    --ixl-green: #7CB342;
    --ixl-purple: #9C7DB8;
    --ixl-blue: #4A90D9;
    --ixl-red: #E57373;
    --ixl-pink: #EC407A;
    
    /* Primary Colors */
    --primary: #00B8A9;
    --primary-hover: #00A396;
    --primary-light: #E0F7F5;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F5;
    --gray-200: #EEEEEE;
    --gray-300: #E0E0E0;
    --gray-400: #BDBDBD;
    --gray-500: #9E9E9E;
    --gray-600: #757575;
    --gray-700: #616161;
    --gray-800: #424242;
    --gray-900: #212121;
    
    /* Text Colors */
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-muted: #999999;
    --text-white: #FFFFFF;
    
    /* Status Colors */
    --success: #7CB342;
    --success-bg: #E8F5E9;
    --warning: #F5A623;
    --warning-bg: #FFF8E1;
    --error: #E57373;
    --error-bg: #FFEBEE;
    --info: #4A90D9;
    --info-bg: #E3F2FD;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.12);
    
    /* Borders */
    --border-color: #E0E0E0;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Font */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Dark Mode */
[data-theme="dark"] {
    --primary: #4ECDC4;
    --primary-hover: #45B7AA;
    --primary-light: #1A3A38;
    
    --white: #1E2A38;
    --gray-50: #243447;
    --gray-100: #2A3B4D;
    --gray-200: #344557;
    --gray-300: #3E4F61;
    --gray-400: #566879;
    --gray-500: #7A8A9A;
    --gray-600: #9EAAB8;
    --gray-700: #B8C4D0;
    --gray-800: #D4DEE8;
    --gray-900: #E8EDF3;
    
    --text-primary: #E8EDF3;
    --text-secondary: #B8C4D0;
    --text-muted: #7A8A9A;
    
    --success-bg: #1E3A2A;
    --warning-bg: #3A3520;
    --error-bg: #3A2020;
    --info-bg: #1E2A3A;
    
    --border-color: #3E4F61;
}

/* === Base Styles === */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--gray-100);
    margin: 0;
    padding: 0;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md) 0;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
    margin: 0 0 var(--spacing-md) 0;
    color: var(--text-secondary);
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* === Navigation === */
.navbar {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    position: relative;
}

.navbar-brand {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary) !important;
    text-decoration: none !important;
}

.logo-navbar {
    height: 50px;
    width: auto;
}

.navbar-nav {
    display: flex;
    gap: var(--spacing-xs);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    border-radius: var(--border-radius);
    transition: all 0.15s ease;
    text-decoration: none !important;
}

.nav-link:hover {
    color: var(--primary);
    background-color: var(--primary-light);
}

.nav-link.active {
    color: var(--primary);
    background-color: var(--primary-light);
}

.theme-toggle {
    background: var(--gray-100);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.15s ease;
}

.theme-toggle:hover {
    background-color: var(--primary-light);
    color: var(--primary);
}

/* === Page Layout === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

main {
    padding: var(--spacing-xl) 0;
    min-height: calc(100vh - 80px);
}

/* === Page Header === */
.page-header {
    margin-bottom: var(--spacing-xl);
}

.page-header h1 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.page-header h1 i {
    color: var(--primary);
}

.page-header .subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    margin: 0;
}

/* === Page Toolbar === */
.page-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    padding: 0.75rem 1rem;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
}

.page-toolbar .toolbar-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.page-toolbar .toolbar-primary .btn-primary,
.page-toolbar .toolbar-primary .btn-success {
    font-weight: 600;
}

.page-toolbar .toolbar-secondary {
    gap: 0.35rem;
}

.page-toolbar .toolbar-secondary .btn {
    white-space: nowrap;
}

[data-theme="dark"] .page-toolbar {
    background: var(--bg-secondary);
}

.form-actions-bar {
    background: var(--bg-secondary, #f8f9fa);
    border-top: 1px solid var(--border-color, #dee2e6);
    padding: 1rem 1.25rem;
}

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

/* === Cards - IXL Style === */
.card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    background-color: var(--gray-50);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.card-header.bg-primary {
    background-color: var(--primary) !important;
    color: var(--text-white) !important;
    border-bottom: none;
}

.card-header.bg-success {
    background-color: var(--success) !important;
    color: var(--text-white) !important;
    border-bottom: none;
}

.card-header.bg-warning {
    background-color: var(--warning) !important;
    color: var(--text-white) !important;
    border-bottom: none;
}

.card-header.bg-info {
    background-color: var(--info) !important;
    color: var(--text-white) !important;
    border-bottom: none;
}

.card-header.bg-danger {
    background-color: var(--error) !important;
    color: var(--text-white) !important;
    border-bottom: none;
}

.card-header h4, .card-header h3, .card-header h5 {
    margin: 0;
    font-size: inherit;
    font-weight: inherit;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    background-color: var(--gray-50);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-lg);
}

/* IXL-Style Subject Cards with colored left border */
.subject-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    transition: box-shadow 0.15s ease;
}

.subject-card:hover {
    box-shadow: var(--shadow-md);
}

.subject-card.teal { border-left-color: var(--ixl-teal); }
.subject-card.orange { border-left-color: var(--ixl-orange); }
.subject-card.green { border-left-color: var(--ixl-green); }
.subject-card.purple { border-left-color: var(--ixl-purple); }
.subject-card.blue { border-left-color: var(--ixl-blue); }
.subject-card.pink { border-left-color: var(--ixl-pink); }

.subject-card .badge-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-white);
    flex-shrink: 0;
}

.subject-card .badge-circle.teal { background-color: var(--ixl-teal); }
.subject-card .badge-circle.orange { background-color: var(--ixl-orange); }
.subject-card .badge-circle.green { background-color: var(--ixl-green); }
.subject-card .badge-circle.purple { background-color: var(--ixl-purple); }
.subject-card .badge-circle.blue { background-color: var(--ixl-blue); }
.subject-card .badge-circle.pink { background-color: var(--ixl-pink); }

/* === Stats Cards === */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stats-card {
    background-color: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.15s ease;
}

[data-theme="dark"] .stats-card {
    background-color: var(--gray-50);
}

.stats-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stats-card .icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: #00B8A9;
}

.stats-card .number {
    font-size: 2rem;
    font-weight: 700;
    color: #333333;
    margin-bottom: var(--spacing-xs);
}

[data-theme="dark"] .stats-card .number {
    color: var(--text-primary);
}

.stats-card .label {
    font-size: 0.875rem;
    color: #666666;
    font-weight: 500;
}

[data-theme="dark"] .stats-card .label {
    color: var(--text-muted);
}

.stats-card.teal .icon { color: #00B8A9 !important; }
.stats-card.orange .icon { color: #F5A623 !important; }
.stats-card.green .icon { color: #7CB342 !important; }
.stats-card.purple .icon { color: #9C7DB8 !important; }
.stats-card.blue .icon { color: #4A90D9 !important; }
.stats-card.pink .icon { color: #EC407A !important; }

/* Dashboard Grid - Legacy support */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none !important;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--text-white);
    border-color: var(--primary);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    color: var(--text-white);
}

.btn-success {
    background-color: var(--success);
    color: var(--text-white);
    border-color: var(--success);
}

.btn-success:hover:not(:disabled) {
    background-color: #6BA038;
    color: var(--text-white);
}

.btn-warning {
    background-color: var(--warning);
    color: var(--text-white);
    border-color: var(--warning);
}

.btn-warning:hover:not(:disabled) {
    background-color: #E09620;
    color: var(--text-white);
}

.btn-danger {
    background-color: var(--error);
    color: var(--text-white);
    border-color: var(--error);
}

.btn-danger:hover:not(:disabled) {
    background-color: #D56565;
    color: var(--text-white);
}

.btn-info {
    background-color: var(--info);
    color: var(--text-white);
    border-color: var(--info);
}

.btn-info:hover:not(:disabled) {
    background-color: #3E80C5;
    color: var(--text-white);
}

.btn-secondary {
    background-color: var(--gray-200);
    color: var(--text-primary);
    border-color: var(--gray-300);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--gray-300);
    color: var(--text-primary);
}

.btn-outline-primary {
    background-color: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline-primary:hover:not(:disabled) {
    background-color: var(--primary);
    color: var(--text-white);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8125rem;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
}

/* === Tables === */
.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--white);
}

.table th {
    background-color: var(--gray-50);
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
}

.table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.table tbody tr:hover {
    background-color: var(--gray-50);
}

.table-responsive {
    overflow-x: auto;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
}

/* Fix dropdown inside table-responsive */
.table-responsive .dropdown-menu {
    position: absolute;
    z-index: 1050;
}

.table-responsive .btn-group {
    position: static;
}

/* === Forms === */
.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.form-control,
.form-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.form-check-input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-check-label {
    cursor: pointer;
    color: var(--text-primary);
}

/* === Alerts === */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 1px solid;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: 0.9375rem;
}

.alert-success {
    background-color: var(--success-bg);
    border-color: var(--success);
    color: #2E7D32;
}

[data-theme="dark"] .alert-success {
    color: #81C784;
}

.alert-warning {
    background-color: var(--warning-bg);
    border-color: var(--warning);
    color: #F57C00;
}

[data-theme="dark"] .alert-warning {
    color: #FFB74D;
}

.alert-danger {
    background-color: var(--error-bg);
    border-color: var(--error);
    color: #C62828;
}

[data-theme="dark"] .alert-danger {
    color: #EF9A9A;
}

.alert-info {
    background-color: var(--info-bg);
    border-color: var(--info);
    color: #1565C0;
}

[data-theme="dark"] .alert-info {
    color: #90CAF9;
}

/* === Badges === */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge.bg-primary { background-color: var(--primary); color: var(--text-white); }
.badge.bg-success { background-color: var(--success); color: var(--text-white); }
.badge.bg-warning { background-color: var(--warning); color: var(--text-white); }
.badge.bg-danger { background-color: var(--error); color: var(--text-white); }
.badge.bg-info { background-color: var(--info); color: var(--text-white); }
.badge.bg-secondary { background-color: var(--gray-500); color: var(--text-white); }

/* === Progress Bar === */
.progress {
    height: 8px;
    background-color: var(--gray-200);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary);
    transition: width 0.3s ease;
}

.progress-bar.bg-success { background-color: var(--success); }
.progress-bar.bg-warning { background-color: var(--warning); }
.progress-bar.bg-danger { background-color: var(--error); }

/* === Empty State === */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    color: var(--text-muted);
}

.empty-state .icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state h3 {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

/* === Login Page === */
.logo-login {
    height: 180px;
    width: auto;
    margin: 0 auto var(--spacing-lg);
    display: block;
}

/* === Footer === */
footer {
    background-color: var(--white);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0;
    color: var(--text-secondary);
}

footer a {
    color: var(--primary);
}

/* === Utility Classes === */
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--error) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-white { color: var(--text-white) !important; }

.bg-primary { background-color: var(--primary) !important; }
.bg-success { background-color: var(--success) !important; }
.bg-warning { background-color: var(--warning) !important; }
.bg-danger { background-color: var(--error) !important; }
.bg-info { background-color: var(--info) !important; }

/* === Responsive === */
@media (max-width: 768px) {
    body {
        overflow-x: hidden;
    }

    .container {
        padding: 0 var(--spacing-md);
    }
    
    main {
        padding: var(--spacing-lg) 0;
    }
    
    .page-header h1 {
        font-size: 1.5rem;
    }
    
    .stats-grid,
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .card-body {
        padding: var(--spacing-md);
    }
    
    .table th,
    .table td {
        padding: var(--spacing-sm);
        font-size: 0.875rem;
    }

    .table-responsive {
        -webkit-overflow-scrolling: touch;
    }
    
    .btn {
        min-height: 44px;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9375rem;
    }

    .btn-sm {
        min-height: 40px;
    }

    .form-control,
    .form-select {
        min-height: 48px;
        font-size: 16px;
    }

    .d-flex.gap-2.flex-wrap .btn {
        flex: 1 1 auto;
    }
    
    .logo-navbar {
        height: 40px;
    }
    
    .d-none.d-md-inline {
        display: none !important;
    }

    .teacher-action-row .btn {
        flex: 1 1 auto;
        min-width: 120px;
    }

    .generate-exam-presets .btn {
        flex: 1 1 calc(50% - 0.5rem);
        min-width: 140px;
    }
}

@media (max-width: 480px) {
    .stats-grid,
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* === Dark Mode Overrides === */
[data-theme="dark"] .card,
[data-theme="dark"] .stats-card,
[data-theme="dark"] .subject-card {
    background-color: var(--white);
    border-color: var(--border-color);
}

[data-theme="dark"] .card-header {
    background-color: var(--gray-100);
    border-color: var(--border-color);
}

[data-theme="dark"] .table {
    background-color: var(--gray-50) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .table th {
    background-color: var(--gray-100) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .table td {
    color: var(--text-primary) !important;
    background-color: var(--gray-50) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .table td strong,
[data-theme="dark"] .table td span:not(.badge) {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .table tbody tr:hover td {
    background-color: var(--gray-100) !important;
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: var(--gray-100);
    border-color: var(--border-color);
    color: var(--text-primary);
}

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

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

[data-theme="dark"] .theme-toggle {
    background-color: var(--gray-200);
    border-color: var(--border-color);
}

/* Force text visibility in dark mode */
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6,
[data-theme="dark"] p,
[data-theme="dark"] span,
[data-theme="dark"] label,
[data-theme="dark"] strong {
    color: var(--text-primary);
}

[data-theme="dark"] .card-header.bg-primary,
[data-theme="dark"] .card-header.bg-success,
[data-theme="dark"] .card-header.bg-warning,
[data-theme="dark"] .card-header.bg-info,
[data-theme="dark"] .card-header.bg-danger {
    color: var(--text-white) !important;
}

[data-theme="dark"] .card-header.bg-primary *,
[data-theme="dark"] .card-header.bg-success *,
[data-theme="dark"] .card-header.bg-warning *,
[data-theme="dark"] .card-header.bg-info *,
[data-theme="dark"] .card-header.bg-danger * {
    color: var(--text-white) !important;
}

[data-theme="dark"] .stats-card .icon {
    opacity: 1;
}

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

/* Ensure colored text stays visible */
[data-theme="dark"] .text-primary { color: var(--primary) !important; }
[data-theme="dark"] .text-success { color: var(--success) !important; }
[data-theme="dark"] .text-warning { color: var(--warning) !important; }
[data-theme="dark"] .text-danger { color: var(--error) !important; }

/* === Dropdown === */
.dropdown-menu {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xs) 0;
}

.dropdown-item {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.dropdown-item:hover {
    background-color: var(--gray-100);
    color: var(--primary);
}

[data-theme="dark"] .dropdown-menu {
    background-color: var(--gray-100);
    border-color: var(--border-color);
}

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

[data-theme="dark"] .dropdown-item:hover {
    background-color: var(--gray-200);
}

/* === Mobile Navigation Fixes === */
.navbar-toggler {
    border: 1px solid var(--border-color) !important;
    padding: var(--spacing-sm) !important;
    background-color: var(--white) !important;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23333333' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

[data-theme="dark"] .navbar-toggler {
    background-color: var(--gray-200) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23E8EDF3' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.navbar-collapse {
    background-color: var(--white);
}

[data-theme="dark"] .navbar-collapse {
    background-color: var(--gray-50);
}

@media (max-width: 991px) {
    .navbar-collapse {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        border: 1px solid var(--border-color);
        border-top: none;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        z-index: 1000;
        margin-top: var(--spacing-sm);
        border-radius: var(--border-radius);
    }
    
    [data-theme="dark"] .navbar-collapse {
        background-color: var(--gray-50);
        border-color: var(--border-color);
    }
    
    .navbar-nav {
        flex-direction: column;
        gap: var(--spacing-xs);
        width: 100%;
    }
    
    .navbar-nav .nav-item {
        width: 100%;
    }
    
    .nav-link {
        padding: var(--spacing-sm) var(--spacing-md) !important;
        width: 100%;
        display: flex !important;
    }
    
    .nav-link span {
        display: inline !important;
    }
    
    /* Show text labels on mobile nav */
    .navbar-nav .d-none.d-md-inline {
        display: inline !important;
    }
}

/* === Additional Dark Mode Text Fixes === */
[data-theme="dark"] td,
[data-theme="dark"] th {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .table td strong,
[data-theme="dark"] .table td span,
[data-theme="dark"] .table td a {
    color: var(--text-primary);
}

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

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

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

[data-theme="dark"] .card-body .btn {
    color: var(--text-white);
}

[data-theme="dark"] .card-body .btn-outline-primary {
    color: var(--primary);
}

[data-theme="dark"] .card-body .btn-outline-primary:hover {
    color: var(--text-white);
}

[data-theme="dark"] .alert * {
    color: inherit;
}

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

[data-theme="dark"] .subject-card h4,
[data-theme="dark"] .subject-card h5,
[data-theme="dark"] .subject-card p {
    color: var(--text-primary);
}

[data-theme="dark"] .subject-card .badge-circle {
    color: var(--text-white);
}

[data-theme="dark"] .page-header h1,
[data-theme="dark"] .page-header .subtitle {
    color: var(--text-primary);
}

[data-theme="dark"] .page-header h1 i {
    color: var(--primary);
}

/* Ensure all input placeholders are visible */
[data-theme="dark"] .form-control::placeholder {
    color: var(--text-muted);
}

/* Fix btn text in dark mode */
[data-theme="dark"] .btn-primary,
[data-theme="dark"] .btn-success,
[data-theme="dark"] .btn-warning,
[data-theme="dark"] .btn-danger,
[data-theme="dark"] .btn-info {
    color: var(--text-white) !important;
}

[data-theme="dark"] .btn-secondary {
    color: var(--text-primary) !important;
    background-color: var(--gray-300) !important;
}

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

/* Table row hover in dark mode */
[data-theme="dark"] .table tbody tr:hover td {
    background-color: var(--gray-100);
}

/* Badge text always white on colored backgrounds — except dashboard metrics */
[data-theme="dark"] .badge:not(.dashboard-metric) {
    color: var(--text-white) !important;
}

/* Navbar link fixes */
[data-theme="dark"] .nav-link {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] .nav-link:hover,
[data-theme="dark"] .nav-link.active {
    color: var(--primary) !important;
    background-color: var(--primary-light) !important;
}

/* Ensure footer text is visible */
[data-theme="dark"] footer,
[data-theme="dark"] footer * {
    color: var(--text-secondary);
}

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

[data-theme="dark"] .bg-white {
    background-color: var(--gray-50) !important;
}

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

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

/* Shared utilities — teacher mobile + dark token migration */
.card-header-collapse {
    cursor: pointer;
}

.teacher-action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.teacher-action-row .btn {
    flex: 0 1 auto;
}

.subject-card-spaced {
    margin-bottom: var(--spacing-lg);
}

.card-section-title {
    margin-bottom: var(--spacing-xs);
}

.card-section-text {
    margin-bottom: var(--spacing-xs);
}

.card-section-text-last {
    margin-bottom: var(--spacing-sm);
}

.qr-code-preview {
    max-width: 200px;
    border: 2px solid var(--border-color);
    padding: 10px;
    border-radius: 10px;
}

.filter-select-narrow {
    max-width: 200px;
}

.filter-select-xs {
    max-width: 150px;
}

.filter-input-md {
    max-width: 300px;
    flex: 1 1 200px;
}

.template-select-narrow {
    max-width: 300px;
}

.col-rank {
    width: 60px;
}

.scroll-panel-sm {
    max-height: 250px;
    overflow-y: auto;
}

.is-hidden { display: none !important; }

.question-preview-img-sm {
    max-height: 200px;
    border-radius: 5px;
}

.option-preview-img {
    max-height: 150px;
    max-width: 200px;
    border-radius: 5px;
    object-fit: cover;
    border: 2px solid var(--border-color);
}

.leaderboard-rank-icon {
    font-size: 1.5rem;
}

.leaderboard-avatar {
    font-size: 2rem;
}

.leaderboard-score-badge {
    font-size: 1rem;
    padding: 0.5rem 1rem;
}

.student-avatar-sm {
    font-size: 1.2rem;
}

.student-avatar-md {
    font-size: 2rem;
}

/* === Button hierarchy (teacher/admin UI) ===
   btn-primary        — main page CTA
   btn-success        — create / trigger
   btn-outline-primary — secondary navigation
   btn-outline-secondary — back / cancel / tertiary
   btn-danger / btn-outline-danger — destructive only
   Avoid btn-info / btn-warning for navigation links */

/* === Teacher dashboard overview (class + stats strip) === */
.dashboard-overview {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem 1.5rem;
    padding: 0.85rem 1.15rem;
    margin-bottom: 1.25rem;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--ixl-blue);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.dashboard-overview-no-class {
    border-left-color: var(--warning);
}

.dashboard-overview-class {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1 1 240px;
    min-width: 0;
}

.dashboard-overview-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    flex-shrink: 0;
    color: #fff;
    font-size: 1.15rem;
}

.dashboard-overview-icon.blue { background: var(--ixl-blue); }

.dashboard-overview-class-body {
    min-width: 0;
}

.dashboard-overview-class-name {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
    line-height: 1.25;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dashboard-overview-meta {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dashboard-overview-dot {
    margin: 0 0.25rem;
    opacity: 0.6;
}

.dashboard-overview-link {
    flex-shrink: 0;
    white-space: nowrap;
}

.dashboard-overview-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    flex: 0 1 auto;
}

.dashboard-stat-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.75rem;
    border-radius: 999px;
    background: var(--gray-50);
    border: 1px solid var(--border-color);
    white-space: nowrap;
}

.dashboard-stat-pill i {
    font-size: 1rem;
}

.dashboard-stat-pill.teal i { color: var(--ixl-teal); }
.dashboard-stat-pill.purple i { color: var(--ixl-purple); }
.dashboard-stat-pill.green i { color: var(--ixl-green); }

.dashboard-stat-value {
    font-weight: 800;
    font-size: 1rem;
    color: var(--text-primary);
    line-height: 1;
}

.dashboard-stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

[data-theme="dark"] .dashboard-overview {
    background: var(--gray-50);
}

[data-theme="dark"] .dashboard-stat-pill {
    background: var(--gray-100);
}

@media (max-width: 768px) {
    .dashboard-overview {
        flex-direction: column;
        align-items: stretch;
    }

    .dashboard-overview-class {
        flex-wrap: wrap;
    }

    .dashboard-overview-stats {
        justify-content: space-between;
    }

    .dashboard-stat-pill {
        flex: 1 1 calc(33% - 0.5rem);
        justify-content: center;
        min-width: 0;
        padding: 0.4rem 0.5rem;
    }

    .dashboard-stat-label {
        display: none;
    }
}

@media (max-width: 420px) {
    .dashboard-stat-pill {
        flex: 1 1 100%;
    }
}

/* === Teacher dashboard overview end === */

/* === Teacher dashboard === */
.dashboard-quick-actions {
    margin-top: 0.25rem;
}

.dashboard-quick-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1.25rem 0.75rem;
    text-align: center;
    text-decoration: none;
    color: var(--text-primary);
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
    height: 100%;
    min-height: 6.5rem;
}

.dashboard-quick-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.dashboard-quick-card i {
    font-size: 1.75rem;
    color: var(--primary);
}

.dashboard-quick-card span {
    font-weight: 600;
    font-size: 0.9rem;
}

.dashboard-table-card .card-header {
    background: var(--gray-50);
    padding: 1rem 1.25rem 1.25rem;
}

.dashboard-table-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.dashboard-search-wrap {
    position: relative;
    flex: 1 1 220px;
    max-width: 360px;
}

.dashboard-search-icon {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--ixl-teal);
    font-size: 1rem;
    pointer-events: none;
    display: flex;
    align-items: center;
}

.dashboard-search-input {
    padding-left: 2.5rem;
    border-radius: 999px;
    border-color: var(--gray-300);
    background: var(--white);
}

.dashboard-search-input:focus {
    border-color: var(--ixl-teal);
    box-shadow: 0 0 0 3px rgba(0, 184, 169, 0.15);
}

.dashboard-table-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
}

.dashboard-page-size-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 500;
}

.dashboard-page-size-label i {
    color: var(--ixl-purple);
}

.dashboard-page-size-select {
    width: auto;
    min-width: 4.25rem;
    border-radius: 999px;
}

.dashboard-clear-btn i {
    margin-right: 0.15rem;
}

/* IXL-style colored dashboard tabs */
.dashboard-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1rem;
}

.dashboard-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1rem 0.55rem 0.55rem;
    border: 2px solid transparent;
    border-radius: 999px;
    background: var(--white);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
    box-shadow: var(--shadow-sm);
}

.dashboard-tab:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.dashboard-tab-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    font-size: 1rem;
    flex-shrink: 0;
}

.dashboard-tab-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.65rem;
    height: 1.65rem;
    padding: 0 0.45rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1;
}

.dashboard-tab-teal .dashboard-tab-icon {
    background: rgba(0, 184, 169, 0.15);
    color: var(--ixl-teal);
}

.dashboard-tab-teal .dashboard-tab-count {
    background: rgba(0, 184, 169, 0.12);
    color: var(--ixl-teal);
}

.dashboard-tab-teal.active {
    background: var(--ixl-teal);
    border-color: var(--ixl-teal);
    color: #fff;
    box-shadow: 0 4px 12px rgba(0, 184, 169, 0.35);
}

.dashboard-tab-teal.active .dashboard-tab-icon {
    background: rgba(255, 255, 255, 0.22);
    color: #fff;
}

.dashboard-tab-teal.active .dashboard-tab-count {
    background: rgba(255, 255, 255, 0.25);
    color: #fff;
}

.dashboard-tab-green .dashboard-tab-icon {
    background: rgba(124, 179, 66, 0.15);
    color: var(--ixl-green);
}

.dashboard-tab-green .dashboard-tab-count {
    background: rgba(124, 179, 66, 0.12);
    color: var(--ixl-green);
}

.dashboard-tab-green.active {
    background: var(--ixl-green);
    border-color: var(--ixl-green);
    color: #fff;
    box-shadow: 0 4px 12px rgba(124, 179, 66, 0.35);
}

.dashboard-tab-green.active .dashboard-tab-icon,
.dashboard-tab-green.active .dashboard-tab-count {
    background: rgba(255, 255, 255, 0.22);
    color: #fff;
}

.dashboard-tab-purple .dashboard-tab-icon {
    background: rgba(156, 125, 184, 0.15);
    color: var(--ixl-purple);
}

.dashboard-tab-purple .dashboard-tab-count {
    background: rgba(156, 125, 184, 0.12);
    color: var(--ixl-purple);
}

.dashboard-tab-purple.active {
    background: var(--ixl-purple);
    border-color: var(--ixl-purple);
    color: #fff;
    box-shadow: 0 4px 12px rgba(156, 125, 184, 0.35);
}

.dashboard-tab-purple.active .dashboard-tab-icon,
.dashboard-tab-purple.active .dashboard-tab-count {
    background: rgba(255, 255, 255, 0.22);
    color: #fff;
}

.dashboard-tab-blue .dashboard-tab-icon {
    background: rgba(74, 144, 217, 0.15);
    color: var(--ixl-blue);
}

.dashboard-tab-blue .dashboard-tab-count {
    background: rgba(74, 144, 217, 0.12);
    color: var(--ixl-blue);
}

.dashboard-tab-blue.active {
    background: var(--ixl-blue);
    border-color: var(--ixl-blue);
    color: #fff;
    box-shadow: 0 4px 12px rgba(74, 144, 217, 0.35);
}

.dashboard-tab-blue.active .dashboard-tab-icon,
.dashboard-tab-blue.active .dashboard-tab-count {
    background: rgba(255, 255, 255, 0.22);
    color: #fff;
}

.dashboard-table th.sortable-header::after {
    content: '';
    display: inline-block;
    width: 0;
    margin-left: 0.35rem;
    opacity: 0.35;
}

.dashboard-table th.sort-asc::after {
    content: '▲';
    opacity: 0.8;
}

.dashboard-table th.sort-desc::after {
    content: '▼';
    opacity: 0.8;
}

.dashboard-table td,
.dashboard-table th {
    vertical-align: middle;
}

.dashboard-col-metric {
    white-space: nowrap;
}

.dashboard-table th .text-teal { color: var(--ixl-teal); }
.dashboard-table th .text-blue { color: var(--ixl-blue); }
.dashboard-table th i { margin-right: 0.2rem; }

.dashboard-metric {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    font-size: 0.8125rem;
    font-weight: 700;
    line-height: 1.2;
    white-space: nowrap;
    text-transform: none;
    letter-spacing: normal;
}

.dashboard-metric i {
    font-size: 0.9rem;
    opacity: 0.95;
}

.dashboard-metric-teal {
    background: var(--ixl-teal);
    color: #fff !important;
    box-shadow: 0 1px 3px rgba(0, 184, 169, 0.35);
}

.dashboard-metric-blue {
    background: var(--ixl-blue);
    color: #fff !important;
    box-shadow: 0 1px 3px rgba(74, 144, 217, 0.35);
}

.dashboard-metric-green {
    background: var(--ixl-green);
    color: #fff !important;
    box-shadow: 0 1px 3px rgba(124, 179, 66, 0.35);
}

.dashboard-metric-muted {
    background: var(--gray-500);
    color: #fff !important;
}

.dashboard-metric-static {
    cursor: default;
}

button.dashboard-instances-filter {
    border: none;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

button.dashboard-instances-filter:hover {
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(74, 144, 217, 0.45);
}

button.dashboard-instances-filter:focus-visible {
    outline: 2px solid var(--ixl-blue);
    outline-offset: 2px;
}

.dashboard-template-row,
.dashboard-instance-row {
    cursor: pointer;
}

.dashboard-template-filter {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 0.75rem;
    margin-top: 0.75rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    background: rgba(74, 144, 217, 0.1);
    border: 1px solid rgba(74, 144, 217, 0.25);
    font-size: 0.875rem;
    color: var(--text-primary);
}

.dashboard-template-filter i {
    color: var(--ixl-blue);
}

.dashboard-row-actions {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 0.35rem;
}

.dashboard-action-label {
    margin-left: 0.25rem;
}

@media (max-width: 768px) {
    .dashboard-action-label {
        display: none;
    }
}

.page-toolbar .toolbar-secondary .btn-outline-primary {
    background: var(--white);
}

.page-toolbar .toolbar-secondary .btn-outline-primary:hover {
    background: var(--primary);
    color: #fff;
}

.btn-toolbar-sticker {
    background: var(--white);
    color: var(--ixl-orange);
    border: 2px solid var(--ixl-orange);
    font-weight: 600;
}

.btn-toolbar-sticker:hover {
    background: var(--ixl-orange);
    color: #fff;
    border-color: var(--ixl-orange);
}

[data-theme="dark"] .btn-toolbar-sticker {
    background: var(--gray-100);
    color: var(--ixl-orange);
}

.btn-toolbar-treasure {
    background: var(--white);
    color: #b45309;
    border: 2px solid #f59e0b;
    font-weight: 600;
}

.btn-toolbar-treasure:hover {
    background: #f59e0b;
    color: #fff;
    border-color: #f59e0b;
}

[data-theme="dark"] .btn-toolbar-treasure {
    background: var(--gray-100);
    color: #fbbf24;
}

[data-theme="dark"] .page-toolbar .toolbar-secondary .btn-outline-primary {
    background: var(--gray-100);
}

.dashboard-table .dropdown-item button.dropdown-item {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: var(--bs-dropdown-item-padding-y) var(--bs-dropdown-item-padding-x);
}

[data-theme="dark"] .dashboard-table-card .card-header {
    background: var(--bg-secondary);
}

[data-theme="dark"] .dashboard-search-input {
    background: var(--gray-100);
}

[data-theme="dark"] .dashboard-tab {
    background: var(--gray-100);
}

[data-theme="dark"] .dashboard-tab-teal.active,
[data-theme="dark"] .dashboard-tab-green.active,
[data-theme="dark"] .dashboard-tab-purple.active,
[data-theme="dark"] .dashboard-tab-blue.active {
    color: #fff;
}

@media (max-width: 576px) {
    .dashboard-tabs {
        flex-direction: column;
    }

    .dashboard-tab {
        width: 100%;
        justify-content: flex-start;
    }

    .dashboard-search-wrap {
        max-width: none;
        flex-basis: 100%;
    }
}


.dashboard-stat-pill.orange { background: rgba(255, 152, 0, 0.15); color: var(--ixl-orange, #FF9800); }
.dashboard-stat-pill.orange .dashboard-stat-value { color: var(--ixl-orange, #FF9800); }
.dashboard-stat-link { text-decoration: none; transition: transform 0.15s ease; }
.dashboard-stat-link:hover { transform: translateY(-1px); text-decoration: none; }
.dashboard-stat-alert { background: var(--danger); color: #fff; border-radius: 999px; padding: 0 0.35rem; font-size: 0.7rem; font-weight: 800; }
.dashboard-overview-readonly { border-left-color: var(--ixl-purple); }
.dashboard-readonly-badge { font-size: 0.65rem; vertical-align: middle; }

.dashboard-chart-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-bottom: 1.25rem;
}
.dashboard-insight-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1rem;
    box-shadow: var(--shadow-sm);
}
.dashboard-insight-title { font-size: 0.9375rem; font-weight: 700; margin-bottom: 0.75rem; }
.dashboard-chart-wrap { position: relative; height: 200px; }
.dashboard-health-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.75rem;
}
.dashboard-health-card { display: flex; flex-direction: column; gap: 0.25rem; }
.dashboard-health-label { font-size: 0.8125rem; color: var(--text-secondary); }
.dashboard-health-card strong { font-size: 1.5rem; }

.dashboard-today-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    align-items: center;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, rgba(0, 184, 169, 0.08) 0%, rgba(74, 144, 217, 0.08) 100%);
    border: 1px solid rgba(0, 184, 169, 0.2);
    border-radius: var(--border-radius-lg);
}
.dashboard-today-metric { display: flex; align-items: center; gap: 0.4rem; font-size: 0.875rem; }
.dashboard-today-metric strong { font-size: 1.1rem; }
.dashboard-needs-attention {
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-lg);
    background: rgba(255, 152, 0, 0.08);
    border: 1px solid rgba(255, 152, 0, 0.25);
}
.dashboard-needs-attention ul { margin: 0.5rem 0 0; padding-left: 1.25rem; }

.physical-reward-alerts {
    border-radius: var(--border-radius-lg);
    border: 2px solid #ffc107;
    background: linear-gradient(135deg, #fff9e6 0%, #fff3cd 100%);
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.2);
    overflow: hidden;
}
.physical-reward-alerts-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: rgba(255, 193, 7, 0.25);
    border-bottom: 1px solid rgba(255, 193, 7, 0.4);
}
.physical-reward-alerts-icon { font-size: 2rem; line-height: 1; }
.physical-reward-alerts-list { padding: 0.75rem 1rem; display: flex; flex-direction: column; gap: 0.75rem; }
.physical-reward-alert-card {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1rem;
    background: #fff;
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 193, 7, 0.35);
}
.physical-reward-alert-student {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    min-width: 140px;
    font-size: 1.05rem;
}
.physical-reward-alert-details { flex: 1; min-width: 200px; }
.physical-reward-alert-action { margin-left: auto; }
.physical-reward-alerts-footer {
    padding: 0.5rem 1.25rem 0.85rem;
    font-size: 0.875rem;
}

.dashboard-progress-inline { display: flex; flex-direction: column; gap: 0.2rem; min-width: 100px; }

.dashboard-metric-purple {
    background: var(--ixl-purple);
    color: #fff !important;
}

@media (max-width: 768px) {
    .dashboard-table-mobile tbody tr {
        display: block;
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius-md);
        margin-bottom: 0.75rem;
        padding: 0.5rem 0.75rem;
    }
    .dashboard-table-mobile tbody td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        border: none;
        padding: 0.35rem 0;
    }
    .dashboard-table-mobile tbody td::before {
        content: attr(data-label);
        font-weight: 600;
        font-size: 0.75rem;
        color: var(--text-secondary);
        margin-right: 0.5rem;
    }
    .dashboard-table-mobile thead { display: none; }
    .dashboard-chart-grid { grid-template-columns: 1fr; }
}

[data-theme="dark"] .dashboard-insight-card { background: var(--gray-100); }
[data-theme="dark"] .dashboard-today-strip { background: var(--gray-100); }


/* Bulk student registration table */
.bulk-student-table-wrap {
    border: 1px solid var(--border-color, #dee2e6);
    border-radius: 0.75rem;
    background: var(--bg-primary, #fff);
}

.bulk-student-table {
    margin-bottom: 0;
}

.bulk-student-table thead th {
    white-space: nowrap;
    background: var(--bg-secondary, #f8f9fa);
    position: sticky;
    top: 0;
    z-index: 1;
}

.bulk-student-table .form-control-sm {
    min-width: 7rem;
}

.bulk-toolbar {
    padding: 1rem;
    border: 1px solid var(--border-color, #dee2e6);
    border-radius: 0.75rem;
    background: var(--bg-secondary, #f8f9fa);
}

[data-theme="dark"] .bulk-student-table-wrap,
[data-theme="dark"] .bulk-toolbar {
    border-color: #3d4a5c;
}

[data-theme="dark"] .bulk-student-table thead th {
    background: #2a3441;
}

@media (max-width: 768px) {
    .bulk-student-table thead {
        display: none;
    }

    .bulk-student-table,
    .bulk-student-table tbody,
    .bulk-student-table tr,
    .bulk-student-table td {
        display: block;
        width: 100%;
    }

    .bulk-student-row {
        border: 1px solid var(--border-color, #dee2e6);
        border-radius: 0.75rem;
        margin-bottom: 1rem;
        padding: 0.75rem;
        background: var(--bg-primary, #fff);
    }

    [data-theme="dark"] .bulk-student-row {
        border-color: #3d4a5c;
        background: #1e2732;
    }

    .bulk-student-table td {
        border: none;
        padding: 0.35rem 0;
    }

    .bulk-student-table td[data-label]:not([data-label=""])::before {
        content: attr(data-label);
        display: block;
        font-size: 0.75rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.03em;
        color: var(--text-muted, #6c757d);
        margin-bottom: 0.25rem;
    }

    .bulk-row-number {
        font-weight: 700;
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }

    .bulk-student-table .form-control-sm {
        min-width: 0;
        width: 100%;
    }

    .bulk-student-table td:last-child {
        text-align: right;
        padding-top: 0.5rem;
    }
}