:root {
    --primary: #93c5fd;
    --secondary: #bfdbfe;
    --success: #86efac;
    --danger: #fca5a5;
    --warning: #fcd34d;
    --info: #67e8f9;
    --dark: #1e293b;
    --light: #f8fafc;
    --sidebar-width: 280px;
    --topnav-height: 70px;

    /* ── Glassmorphism design tokens ── */
    --glass-bg:           rgba(255, 255, 255, 0.18);
    --glass-bg-hover:     rgba(255, 255, 255, 0.26);
    --glass-bg-card:      rgba(255, 255, 255, 0.22);
    --glass-border:       rgba(255, 255, 255, 0.22);
    --glass-border-inner: rgba(255, 255, 255, 0.40);
    --glass-blur:         blur(20px);
    --glass-blur-heavy:   blur(32px);
    --glass-shadow:       0 8px 32px rgba(0, 0, 0, 0.40);
    --glass-shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.55);
    --glass-inset:        inset 0 1px 0 rgba(255,255,255,0.25);
    --text-on-glass:      #e2e8f0;
    --text-muted-glass:   rgba(226, 232, 240, 0.90);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-margin-top: 0;
    scroll-margin-bottom: 0;
}

html {
    scroll-behavior: auto;
}

/* ══════════════════════════════════════════════
   BODY — deep dark background with floating orbs
   ══════════════════════════════════════════════ */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: #0d1117;
    background-image: none;
    background-attachment: fixed;
    background-size: cover;
    line-height: 1.6;
    overflow-x: hidden;
    color: var(--text-on-glass);
}

/* ══════════════════════════════════════════════
   TOP NAVIGATION — glass bar
   ══════════════════════════════════════════════ */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--topnav-height);
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: var(--glass-blur-heavy);
    -webkit-backdrop-filter: var(--glass-blur-heavy);
    color: #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 1000;
    box-shadow: var(--glass-shadow), var(--glass-inset);
    border-bottom: 1px solid var(--glass-border);
}

.top-nav .brand {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #fff;
    text-shadow: 0 0 20px rgba(147, 197, 253, 0.6);
}

.top-nav .nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* ══════════════════════════════════════════════
   SIDEBAR — glass panel
   ══════════════════════════════════════════════ */
.sidebar {
    position: fixed;
    top: var(--topnav-height);
    left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--topnav-height));
    background: rgba(15, 23, 42, 0.50);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-right: 1px solid var(--glass-border);
    box-shadow: var(--glass-inset);
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 999;
}

.sidebar.collapsed {
    width: 70px;
}

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

.sidebar.collapsed .sidebar-toggle-icon {
    opacity: 0;
    width: 0;
    display: none;
}

/* Keep the collapse button visible when sidebar is collapsed */
.sidebar.collapsed .sidebar-collapse-btn {
    display: flex !important;
    width: 100%;
    justify-content: center;
    padding: 1rem 0;
}

.sidebar.collapsed .sidebar-collapse-btn .sidebar-toggle-icon {
    opacity: 1 !important;
    width: auto !important;
    display: block !important;
}

.sidebar.collapsed .dashboard-link-container {
    flex-direction: column;
    padding: 0;
}

.sidebar.collapsed .dashboard-link {
    width: 100%;
    justify-content: center;
    padding: 1rem 0.5rem;
}

.sidebar.collapsed .sidebar-title {
    opacity: 0;
    height: 0;
    padding: 0;
}

.sidebar.collapsed hr {
    margin: 0.5rem 0;
}

.sidebar.collapsed a {
    justify-content: center;
    padding: 1rem 0.5rem;
}

/* Exception for dashboard link container - don't center */
.sidebar.collapsed .dashboard-link-container a {
    justify-content: center;
    padding: 1rem 0.5rem;
}

.sidebar-toggle-icon {
    margin-left: auto !important;
    margin-right: 0 !important;
    font-size: 0.875rem;
}

.sidebar.collapsed .sidebar-toggle-icon {
    transform: rotate(180deg);
}

.sidebar a {
    color: rgba(226, 232, 240, 0.80);
    text-decoration: none;
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    margin: 0.25rem 1rem;
    border-radius: 12px;
    font-weight: 500;
    position: relative;
    transition: all 0.25s ease;
}

.sidebar a i {
    margin-right: 0.75rem;
    min-width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-text {
    white-space: nowrap;
}

.sidebar a:hover {
    background: rgba(255, 255, 255, 0.10);
    color: #fff;
    box-shadow: var(--glass-inset);
}

.sidebar a.active {
    background: rgba(147, 197, 253, 0.22);
    color: #93c5fd;
    border: 1px solid rgba(147, 197, 253, 0.30);
    box-shadow: 0 0 16px rgba(147, 197, 253, 0.15), var(--glass-inset);
}

.sidebar a:focus {
    outline: none;
}

.sidebar a:active {
    background: rgba(147, 197, 253, 0.22);
    color: #93c5fd;
}

.sidebar-title {
    padding: 1rem 1.5rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(203, 213, 225, 0.90);
}

.sidebar hr {
    border: none;
    height: 1px;
    background: rgba(255, 255, 255, 0.10);
    margin: 1rem 0;
}

/* ══════════════════════════════════════════════
   MAIN CONTENT
   ══════════════════════════════════════════════ */
.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--topnav-height);
    padding: 2rem;
    min-height: calc(100vh - var(--topnav-height));
}

.main-content.sidebar-collapsed {
    margin-left: 70px;
}

/* ══════════════════════════════════════════════
   CARDS — core glass panel
   ══════════════════════════════════════════════ */
.card {
    border: 1px solid var(--glass-border) !important;
    border-radius: 16px;
    box-shadow: var(--glass-shadow), var(--glass-inset);
    transition: all 0.3s ease;
    background: var(--glass-bg-card) !important;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--glass-shadow-hover), var(--glass-inset);
    background: var(--glass-bg-hover) !important;
}

.card-header {
    background: rgba(147, 197, 253, 0.15) !important;
    color: #e2e8f0;
    border-radius: 16px 16px 0 0 !important;
    padding: 1.5rem;
    border: none;
    border-bottom: 1px solid var(--glass-border) !important;
}

.card-title {
    color: #f1f5f9;
}

.card-text {
    color: var(--text-muted-glass);
}

/* ══════════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════════ */
.btn {
    border-radius: 12px;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.35);
}

.btn-primary {
    background: rgba(147, 197, 253, 0.70);
    border: 1px solid rgba(147, 197, 253, 0.50);
    color: #0f172a;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.btn-primary:hover {
    background: rgba(147, 197, 253, 0.90);
    color: #0f172a;
}

.btn-success {
    background: rgba(134, 239, 172, 0.70);
    border: 1px solid rgba(134, 239, 172, 0.50);
    color: #0f172a;
}

.btn-danger {
    background: rgba(252, 165, 165, 0.70);
    border: 1px solid rgba(252, 165, 165, 0.50);
    color: #0f172a;
}

.btn-warning {
    background: rgba(252, 211, 77, 0.70);
    border: 1px solid rgba(252, 211, 77, 0.50);
    color: #0f172a;
}

.btn-info {
    background: rgba(103, 232, 249, 0.70);
    border: 1px solid rgba(103, 232, 249, 0.50);
    color: #0f172a;
}

.btn-outline-primary {
    border: 1px solid rgba(147, 197, 253, 0.55) !important;
    color: #93c5fd !important;
    background: rgba(147, 197, 253, 0.08) !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.btn-outline-primary:hover {
    background: rgba(147, 197, 253, 0.20) !important;
    color: #fff !important;
}

.btn-outline-secondary {
    border: 1px solid rgba(226, 232, 240, 0.30) !important;
    color: rgba(226, 232, 240, 0.80) !important;
    background: rgba(255, 255, 255, 0.06) !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.btn-outline-secondary:hover {
    background: rgba(255, 255, 255, 0.14) !important;
    color: #fff !important;
}

.btn-outline-light {
    border: 1px solid rgba(255,255,255,0.35) !important;
    color: rgba(255,255,255,0.90) !important;
    background: rgba(255,255,255,0.08) !important;
}

.btn-outline-light:hover {
    background: rgba(255,255,255,0.18) !important;
    color: #fff !important;
}

/* ══════════════════════════════════════════════
   FORMS
   ══════════════════════════════════════════════ */
.form-control, .form-select {
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.07) !important;
    color: #e2e8f0 !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.form-control::placeholder {
    color: rgba(148, 163, 184, 0.70);
}

.form-control:focus, .form-select:focus {
    border-color: rgba(147, 197, 253, 0.60);
    box-shadow: 0 0 0 3px rgba(147, 197, 253, 0.15);
    background: rgba(255, 255, 255, 0.11) !important;
    color: #f1f5f9 !important;
    outline: none;
}

.form-label {
    color: rgba(226, 232, 240, 0.85);
    font-weight: 600;
}

.input-group-text {
    background: rgba(255, 255, 255, 0.07) !important;
    border-color: var(--glass-border) !important;
    color: rgba(203, 213, 225, 0.90) !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* ══════════════════════════════════════════════
   TABLES
   ══════════════════════════════════════════════ */
.table {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--glass-shadow);
}

.table thead th {
    background: rgba(255, 255, 255, 0.08);
    border: none;
    font-weight: 600;
    color: #93c5fd;
    padding: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

.table tbody td {
    padding: 1rem;
    border-color: rgba(255, 255, 255, 0.06);
    vertical-align: middle;
    color: rgba(226, 232, 240, 0.85);
    background: rgba(255, 255, 255, 0.03);
}

.table tbody tr:hover td {
    background: rgba(255, 255, 255, 0.07);
}

/* ══════════════════════════════════════════════
   ALERTS
   ══════════════════════════════════════════════ */
.alert {
    border-radius: 12px;
    border: none;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-left: 4px solid transparent;
}

.alert-success {
    background: rgba(134, 239, 172, 0.15);
    color: #86efac;
    border-left-color: rgba(134, 239, 172, 0.60);
    border: 1px solid rgba(134, 239, 172, 0.25);
}

.alert-danger {
    background: rgba(252, 165, 165, 0.15);
    color: #fca5a5;
    border-left-color: rgba(252, 165, 165, 0.60);
    border: 1px solid rgba(252, 165, 165, 0.25);
}

.alert-info {
    background: rgba(103, 232, 249, 0.12);
    color: #67e8f9;
    border-left-color: rgba(103, 232, 249, 0.55);
    border: 1px solid rgba(103, 232, 249, 0.22);
}

.alert-warning {
    background: rgba(252, 211, 77, 0.12);
    color: #fcd34d;
    border-left-color: rgba(252, 211, 77, 0.55);
    border: 1px solid rgba(252, 211, 77, 0.22);
}

/* ══════════════════════════════════════════════
   STAT CARDS (large)
   ══════════════════════════════════════════════ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--glass-bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--glass-shadow), var(--glass-inset);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--card-color);
    opacity: 0.80;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--glass-shadow-hover), var(--glass-inset);
    background: var(--glass-bg-hover);
}

.stat-card.primary { --card-color: var(--primary); }
.stat-card.success { --card-color: var(--success); }
.stat-card.warning { --card-color: var(--warning); }
.stat-card.info    { --card-color: var(--info); }

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: #f1f5f9;
    margin: 0.5rem 0;
}

/* ══════════════════════════════════════════════
   COMPACT STAT CARDS
   ══════════════════════════════════════════════ */
.stats-grid-compact {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card-compact {
    background: var(--glass-bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: var(--glass-shadow), var(--glass-inset);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: #e2e8f0;
    display: block;
}

.stat-card-compact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--card-color);
    opacity: 0.80;
}

.stat-card-compact:hover {
    transform: translateY(-2px);
    box-shadow: var(--glass-shadow-hover), var(--glass-inset);
    text-decoration: none;
    color: #f1f5f9;
    background: var(--glass-bg-hover);
}

.stat-card-compact.primary { --card-color: var(--primary); }
.stat-card-compact.success { --card-color: var(--success); }
.stat-card-compact.warning { --card-color: var(--warning); }
.stat-card-compact.info    { --card-color: var(--info); }

.stat-card-compact h6 {
    font-size: 0.875rem;
    font-weight: 600;
    color: rgba(203, 213, 225, 0.90);
    margin-bottom: 0.5rem;
}

.stat-value-compact {
    font-size: 1.75rem;
    font-weight: 700;
    color: #f1f5f9;
    margin: 0;
}

.leaderboard-list-compact {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0 0;
    font-size: 0.75rem;
}

.leaderboard-list-compact li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.25rem 0;
    color: rgba(203, 213, 225, 0.90);
}

.leaderboard-list-compact .rank {
    background: rgba(147, 197, 253, 0.25);
    color: #93c5fd;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
    font-weight: 600;
    margin-right: 0.5rem;
}

/* ══════════════════════════════════════════════
   QUESTION INTERFACE (question.blade.php)
   ══════════════════════════════════════════════ */
.question-card {
    background: var(--glass-bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--glass-shadow), var(--glass-inset);
    transition: all 0.3s ease;
}

.option-btn {
    margin: 0.5rem 0;
    width: 100%;
    text-align: left;
    border-radius: 12px;
    padding: 1rem;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.06);
    color: #e2e8f0;
    transition: all 0.3s ease;
}

.option-btn:hover {
    border-color: rgba(147, 197, 253, 0.45);
    background: rgba(255, 255, 255, 0.10);
}

.option-btn.correct {
    background: rgba(134, 239, 172, 0.20);
    border-color: rgba(134, 239, 172, 0.50);
    color: #86efac;
}

.option-btn.incorrect {
    background: rgba(252, 165, 165, 0.20);
    border-color: rgba(252, 165, 165, 0.50);
    color: #fca5a5;
}

/* ══════════════════════════════════════════════
   BADGES
   ══════════════════════════════════════════════ */
.badge {
    border-radius: 8px;
    font-weight: 600;
    padding: 0.5rem 1rem;
}

/* ══════════════════════════════════════════════
   MOBILE RESPONSIVE
   ══════════════════════════════════════════════ */
@media (min-width: 769px) {
    .sidebar {
        transform: none !important;
    }

    .sidebar a {
        transform: none !important;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease, width 0.3s ease;
    }

    .sidebar.collapsed {
        width: 70px;
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .sidebar-toggle-icon {
        display: none;
    }

    .main-content {
        margin-left: 0 !important;
        padding: 1rem;
    }

    .top-nav {
        padding: 0 1rem;
    }

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

    .card-body {
        padding: 1rem;
    }

    .question-card {
        padding: 1.5rem;
    }

    .modern-card {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 576px) {
    .top-nav .brand {
        font-size: 1.25rem;
    }

    .logo {
        font-size: 3rem !important;
    }

    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }

    .stat-value {
        font-size: 2rem;
    }
}

/* ══════════════════════════════════════════════
   LOADING ANIMATION
   ══════════════════════════════════════════════ */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.15);
    border-radius: 50%;
    border-top-color: #93c5fd;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ══════════════════════════════════════════════
   SMOOTH SCROLLING
   ══════════════════════════════════════════════ */
html {
    scroll-behavior: smooth;
}

/* ══════════════════════════════════════════════
   QUICK ACTIONS
   ══════════════════════════════════════════════ */
.quick-actions-horizontal {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.action-card-small {
    background: var(--glass-bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    text-decoration: none;
    color: rgba(226, 232, 240, 0.85);
    box-shadow: var(--glass-shadow), var(--glass-inset);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 150px;
}

.action-card-small:hover {
    transform: translateY(-3px);
    box-shadow: var(--glass-shadow-hover), var(--glass-inset);
    color: #fff;
    background: var(--glass-bg-hover);
    border-color: rgba(147, 197, 253, 0.40);
}

.action-card-small i {
    font-size: 1.25rem;
    color: #93c5fd;
}

.action-card-small span {
    font-weight: 600;
    font-size: 0.875rem;
}

/* ══════════════════════════════════════════════
   PAGE TITLES & HEADINGS
   ══════════════════════════════════════════════ */
.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #f1f5f9;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: #f1f5f9;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    color: rgba(203, 213, 225, 0.90);
    font-size: 1rem;
}

h1, h2, h3, h4, h5, h6 {
    color: #f1f5f9;
}

.text-dark {
    color: #1e293b !important;
}

.text-muted {
    color: rgba(203, 213, 225, 0.90) !important;
}

/* ══════════════════════════════════════════════
   SCROLLBAR
   ══════════════════════════════════════════════ */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.04);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.28);
}

/* ══════════════════════════════════════════════
   AUTH PAGES — login / register
   ══════════════════════════════════════════════ */
body.auth-body {
    background-color: #0d1117 !important;
    background-image: none !important;
    background-attachment: fixed !important;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.auth-card {
    background: rgba(255, 255, 255, 0.08) !important;
    backdrop-filter: var(--glass-blur-heavy) !important;
    -webkit-backdrop-filter: var(--glass-blur-heavy) !important;
    border: 1px solid var(--glass-border) !important;
    box-shadow: var(--glass-shadow), var(--glass-inset) !important;
    border-radius: 20px !important;
}

/* ══════════════════════════════════════════════
   QUESTION PAGE TIMER WIDGET
   ══════════════════════════════════════════════ */
.question-timer {
    background: rgba(15, 23, 42, 0.50) !important;
    backdrop-filter: var(--glass-blur) !important;
    -webkit-backdrop-filter: var(--glass-blur) !important;
    border: 1px solid var(--glass-border) !important;
    box-shadow: var(--glass-shadow), var(--glass-inset) !important;
    color: #e2e8f0;
}

.question-timer-display {
    color: #f1f5f9 !important;
}

.question-timer.danger {
    background: rgba(127, 29, 29, 0.45) !important;
    border-color: rgba(239, 68, 68, 0.45) !important;
}

.question-timer.danger .question-timer-display {
    color: #fca5a5 !important;
}

/* ══════════════════════════════════════════════
   BOOTSTRAP MODALS — glass dialog
   ══════════════════════════════════════════════ */
.modal-content {
    background: rgba(15, 23, 42, 0.70) !important;
    backdrop-filter: var(--glass-blur-heavy) !important;
    -webkit-backdrop-filter: var(--glass-blur-heavy) !important;
    border: 1px solid var(--glass-border) !important;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.60), var(--glass-inset) !important;
    border-radius: 16px !important;
    color: #e2e8f0;
}

.modal-header,
.modal-footer {
    border-color: var(--glass-border) !important;
}

.modal-title {
    color: #f1f5f9 !important;
}

/* ══════════════════════════════════════════════
   ANSWER OPTIONS (question.blade.php inline styles)
   ══════════════════════════════════════════════ */
.option {
    background: rgba(255, 255, 255, 0.07) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border: 1px solid var(--glass-border) !important;
    transition: all 0.25s ease;
    color: #1e293b;
}

.option:hover {
    background: rgba(255, 255, 255, 0.13) !important;
    border-color: rgba(147, 197, 253, 0.50) !important;
    box-shadow: 0 0 20px rgba(147, 197, 253, 0.12);
}

.option.selected {
    background: rgba(147, 197, 253, 0.18) !important;
    border-color: rgba(147, 197, 253, 0.55) !important;
    box-shadow: 0 0 24px rgba(147, 197, 253, 0.20);
}

.option.correct {
    background: rgba(134, 239, 172, 0.18) !important;
    border-color: rgba(134, 239, 172, 0.55) !important;
    box-shadow: 0 0 24px rgba(134, 239, 172, 0.20);
}

.option.incorrect {
    background: rgba(252, 165, 165, 0.18) !important;
    border-color: rgba(252, 165, 165, 0.55) !important;
    box-shadow: 0 0 24px rgba(252, 165, 165, 0.20);
}

.option-label {
    background: rgba(255, 255, 255, 0.12) !important;
    color: #1e293b !important;
}

.option.selected .option-label {
    background: rgba(147, 197, 253, 0.40) !important;
    color: #fff !important;
}

.option.correct .option-label {
    background: rgba(134, 239, 172, 0.40) !important;
    color: #fff !important;
}

.option.incorrect .option-label {
    background: rgba(252, 165, 165, 0.40) !important;
    color: #fff !important;
}

.option-text {
    color: #1e293b !important;
}

/* ══════════════════════════════════════════════
   QUESTION GRID TILES (quiz_grid.blade.php)
   ══════════════════════════════════════════════ */
.question-number {
    background: rgba(255, 255, 255, 0.07) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
    border: 1px solid var(--glass-border) !important;
    color: #e2e8f0 !important;
    transition: all 0.25s ease;
}

.question-number:hover {
    background: rgba(255, 255, 255, 0.14) !important;
    border-color: rgba(147, 197, 253, 0.50) !important;
    box-shadow: 0 0 16px rgba(147, 197, 253, 0.15);
}

.question-number.open {
    background: rgba(147, 197, 253, 0.20) !important;
    border-color: rgba(147, 197, 253, 0.55) !important;
    color: #93c5fd !important;
    box-shadow: 0 0 20px rgba(147, 197, 253, 0.25);
}

.question-number.locked {
    background: rgba(107, 114, 128, 0.35) !important;
    border-color: rgba(107, 114, 128, 0.40) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    color: rgba(226, 232, 240, 0.45) !important;
}

.question-number.blocked {
    opacity: 0.28;
}

/* ══════════════════════════════════════════════
   MISC TEXT OVERRIDES FOR DARK BACKGROUND
   ══════════════════════════════════════════════ */
.fw-bold {
    color: #f1f5f9;
}

small, .small {
    color: rgba(203, 213, 225, 0.90);
}

.border-top {
    border-color: var(--glass-border) !important;
}

.question-text {
    color: #1e293b !important;
}

/* ══════════════════════════════════════════════
   LIGHT THEME — body.light-theme overrides
   Restores the original clean white palette
   ══════════════════════════════════════════════ */

body.light-theme {
    background-color: #f8fafc !important;
    background-image: none !important;
    color: #1e293b !important;

    /* override glass tokens to solid-light values */
    --glass-bg:           rgba(255, 255, 255, 1);
    --glass-bg-hover:     #f1f5f9;
    --glass-bg-card:      rgba(255, 255, 255, 1);
    --glass-border:       #e2e8f0;
    --glass-border-inner: #e2e8f0;
    --glass-blur:         blur(0px);
    --glass-blur-heavy:   blur(0px);
    --glass-shadow:       0 1px 3px rgba(0,0,0,0.10);
    --glass-shadow-hover: 0 8px 25px rgba(0,0,0,0.10);
    --glass-inset:        none;
    --text-on-glass:      #1e293b;
    --text-muted-glass:   #64748b;
}

/* ── Body & scrollbar ── */
body.light-theme ::-webkit-scrollbar-track  { background: #f1f5f9; }
body.light-theme ::-webkit-scrollbar-thumb  { background: #cbd5e1; }
body.light-theme ::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* ── Auth body ── */
body.light-theme.auth-body {
    background-color: #f8fafc !important;
    background-image: none !important;
}

/* ── Top nav ── */
body.light-theme .top-nav {
    background: #93c5fd !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08) !important;
    border-bottom: none !important;
}
body.light-theme .top-nav .brand {
    color: #fff !important;
    text-shadow: none !important;
}

/* ── Sidebar ── */
body.light-theme .sidebar {
    background: #ffffff !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border-right: 1px solid #e2e8f0 !important;
    box-shadow: none !important;
}
body.light-theme .sidebar a {
    color: #64748b !important;
}
body.light-theme .sidebar a:hover {
    background: #f1f5f9 !important;
    color: #93c5fd !important;
    box-shadow: none !important;
}
body.light-theme .sidebar a.active {
    background: #93c5fd !important;
    color: #ffffff !important;
    border: none !important;
    box-shadow: none !important;
}
body.light-theme .sidebar-title {
    color: #94a3b8 !important;
}
body.light-theme .sidebar hr {
    background: #e2e8f0 !important;
}

/* ── Cards ── */
body.light-theme .card {
    background: #ffffff !important;
    border: none !important;
    box-shadow: 0 1px 3px rgba(0,0,0,0.10) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}
body.light-theme .card:hover {
    background: #ffffff !important;
    box-shadow: 0 8px 25px rgba(0,0,0,0.10) !important;
}
body.light-theme .card-header {
    background: #93c5fd !important;
    color: #ffffff !important;
    border-bottom: none !important;
}
body.light-theme .card-title  { color: #1e293b !important; }
body.light-theme .card-text   { color: #64748b !important; }
body.light-theme .card-body   { color: #1e293b !important; }

/* ── Auth card ── */
body.light-theme .auth-card {
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
    box-shadow: 0 10px 30px rgba(0,0,0,0.10) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}

/* ── Stat cards ── */
body.light-theme .stat-card,
body.light-theme .stat-card-compact {
    background: #ffffff !important;
    border: none !important;
    box-shadow: 0 1px 3px rgba(0,0,0,0.10) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}
body.light-theme .stat-card:hover,
body.light-theme .stat-card-compact:hover {
    box-shadow: 0 4px 15px rgba(0,0,0,0.12) !important;
    background: #ffffff !important;
}
body.light-theme .stat-value          { color: #1e293b !important; }
body.light-theme .stat-value-compact  { color: #1e293b !important; }
body.light-theme .stat-card-compact   { color: #1e293b !important; }
body.light-theme .stat-card-compact h6 { color: #64748b !important; }
body.light-theme .leaderboard-list-compact li { color: #64748b !important; }
body.light-theme .leaderboard-list-compact .rank {
    background: #93c5fd !important;
    color: #ffffff !important;
}

/* ── Quick action cards ── */
body.light-theme .action-card-small {
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
    box-shadow: 0 1px 3px rgba(0,0,0,0.10) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    color: #1e293b !important;
}
body.light-theme .action-card-small:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.15) !important;
    color: #93c5fd !important;
    border-color: #93c5fd !important;
    background: #ffffff !important;
}

/* ── Buttons ── */
body.light-theme .btn-primary {
    background: #93c5fd !important;
    border: none !important;
    color: #ffffff !important;
    backdrop-filter: none !important;
}
body.light-theme .btn-primary:hover { background: #60a5fa !important; }
body.light-theme .btn-success  { background: #86efac !important; border: none !important; color: #1e293b !important; }
body.light-theme .btn-danger   { background: #fca5a5 !important; border: none !important; color: #1e293b !important; }
body.light-theme .btn-warning  { background: #fcd34d !important; border: none !important; color: #1e293b !important; }
body.light-theme .btn-info     { background: #67e8f9 !important; border: none !important; color: #1e293b !important; }
body.light-theme .btn-outline-primary {
    border: 2px solid #93c5fd !important;
    color: #93c5fd !important;
    background: transparent !important;
    backdrop-filter: none !important;
}
body.light-theme .btn-outline-primary:hover {
    background: #93c5fd !important;
    color: #fff !important;
}
body.light-theme .btn-outline-secondary {
    border: 1px solid #e2e8f0 !important;
    color: #64748b !important;
    background: transparent !important;
    backdrop-filter: none !important;
}
body.light-theme .btn-outline-secondary:hover {
    background: #f1f5f9 !important;
    color: #1e293b !important;
}
body.light-theme .btn-outline-light {
    border: 1px solid rgba(255,255,255,0.6) !important;
    color: #fff !important;
    background: rgba(255,255,255,0.15) !important;
}

/* ── Forms ── */
body.light-theme .form-control,
body.light-theme .form-select {
    background: #ffffff !important;
    border: 2px solid #e2e8f0 !important;
    color: #1e293b !important;
    backdrop-filter: none !important;
}
body.light-theme .form-control::placeholder { color: #94a3b8 !important; }
body.light-theme .form-control:focus,
body.light-theme .form-select:focus {
    border-color: #93c5fd !important;
    box-shadow: 0 0 0 0.2rem rgba(147,197,253,0.25) !important;
    background: #ffffff !important;
    color: #1e293b !important;
}
body.light-theme .form-label { color: #374151 !important; }
body.light-theme .input-group-text {
    background: #f8fafc !important;
    border-color: #e2e8f0 !important;
    color: #6c757d !important;
    backdrop-filter: none !important;
}

/* ── Tables ── */
body.light-theme .table {
    box-shadow: 0 1px 3px rgba(0,0,0,0.10) !important;
}
body.light-theme .table thead th {
    background: #f8fafc !important;
    color: #374151 !important;
    border-bottom: 1px solid #e2e8f0 !important;
}
body.light-theme .table tbody td {
    background: #ffffff !important;
    color: #374151 !important;
    border-color: #f1f5f9 !important;
}
body.light-theme .table tbody tr:hover td {
    background: #f8fafc !important;
}

/* ── Alerts ── */
body.light-theme .alert-success {
    background: #dcfce7 !important;
    color: #15803d !important;
    border: none !important;
    border-left: 4px solid #86efac !important;
}
body.light-theme .alert-danger {
    background: #fee2e2 !important;
    color: #b91c1c !important;
    border: none !important;
    border-left: 4px solid #fca5a5 !important;
}
body.light-theme .alert-info {
    background: #e0f2fe !important;
    color: #0369a1 !important;
    border: none !important;
    border-left: 4px solid #67e8f9 !important;
}
body.light-theme .alert-warning {
    background: #fef9c3 !important;
    color: #854d0e !important;
    border: none !important;
    border-left: 4px solid #fcd34d !important;
}

/* ── Question timer ── */
body.light-theme .question-timer {
    background: #ffffff !important;
    border: 2px solid #e5e7eb !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.10) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    color: #1f2937 !important;
}
body.light-theme .question-timer-display { color: #1f2937 !important; }
body.light-theme .question-timer.danger {
    background: #fee2e2 !important;
    border-color: #ef4444 !important;
}
body.light-theme .question-timer.danger .question-timer-display {
    color: #ef4444 !important;
}

/* ── Question card & options ── */
body.light-theme .question-card {
    background: #ffffff !important;
    border: none !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.10) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}
body.light-theme .question-text { color: #1f2937 !important; }
body.light-theme .option {
    background: #ffffff !important;
    border: 2px solid #e5e7eb !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    color: #374151 !important;
    box-shadow: none !important;
}
body.light-theme .option:hover {
    background: #f8fafc !important;
    border-color: #93c5fd !important;
    box-shadow: none !important;
}
body.light-theme .option.selected {
    background: #eff6ff !important;
    border-color: #3b82f6 !important;
    box-shadow: none !important;
}
body.light-theme .option.correct {
    background: #dcfce7 !important;
    border-color: #10b981 !important;
    box-shadow: none !important;
}
body.light-theme .option.incorrect {
    background: #fee2e2 !important;
    border-color: #ef4444 !important;
    box-shadow: none !important;
}
body.light-theme .option-label {
    background: #f3f4f6 !important;
    color: #374151 !important;
}
body.light-theme .option.selected .option-label {
    background: #3b82f6 !important;
    color: #fff !important;
}
body.light-theme .option.correct .option-label {
    background: #10b981 !important;
    color: #fff !important;
}
body.light-theme .option.incorrect .option-label {
    background: #ef4444 !important;
    color: #fff !important;
}
body.light-theme .option-text { color: #374151 !important; }

/* ── Question grid tiles ── */
body.light-theme .question-number {
    background: #ffffff !important;
    border: 2px solid #e5e7eb !important;
    color: #374151 !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: none !important;
}
body.light-theme .question-number:hover {
    border-color: #93c5fd !important;
    background: #f8fafc !important;
    box-shadow: none !important;
}
body.light-theme .question-number.open {
    background: #eff6ff !important;
    border-color: #3b82f6 !important;
    color: #1d4ed8 !important;
    box-shadow: none !important;
}
body.light-theme .question-number.locked {
    background: #6b7280 !important;
    border-color: #6b7280 !important;
    color: #ffffff !important;
}
body.light-theme .question-number.blocked { opacity: 0.4 !important; }

/* ── Modals ── */
body.light-theme .modal-content {
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    color: #1e293b !important;
}
body.light-theme .modal-header,
body.light-theme .modal-footer { border-color: #e2e8f0 !important; }
body.light-theme .modal-title  { color: #1e293b !important; }

/* ── Text helpers ── */
body.light-theme h1, body.light-theme h2, body.light-theme h3,
body.light-theme h4, body.light-theme h5, body.light-theme h6 {
    color: #1e293b !important;
}
body.light-theme .text-dark    { color: #1e293b !important; }
body.light-theme .text-muted   { color: #64748b !important; }
body.light-theme .text-white   { color: #ffffff !important; }
body.light-theme .fw-bold      { color: #1e293b !important; }
body.light-theme small,
body.light-theme .small        { color: #64748b !important; }
body.light-theme .page-title   { color: #1e293b !important; }
body.light-theme .page-subtitle { color: #64748b !important; }
body.light-theme .section-title { color: #1e293b !important; }
body.light-theme .border-top   { border-color: #e2e8f0 !important; }

/* ── Scrollbar (light) ── */
body.light-theme ::-webkit-scrollbar-track { background: #f1f5f9 !important; }
body.light-theme ::-webkit-scrollbar-thumb { background: #cbd5e1 !important; }
body.light-theme ::-webkit-scrollbar-thumb:hover { background: #94a3b8 !important; }

/* ── Light theme: text-white → black where used on dark-bg headings ── */
body.light-theme .text-white {
    color: #1e293b !important;
}