/* ===== Accessibility ===== */
.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    z-index: 10000;
    padding: 8px 16px;
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    transition: top 0.2s;
}
.skip-link:focus {
    top: 8px;
    color: #fff;
}
*:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}
button:focus-visible, .btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}

/* ===== CSS Variables ===== */
:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: rgba(59, 130, 246, 0.1);
    --success: #10b981;
    --success-dark: #059669;
    --warning: #f59e0b;
    --warning-dark: #d97706;
    --danger: #ef4444;
    --danger-dark: #dc2626;

    --bg-primary: #f8fafc;
    --bg-white: #ffffff;
    --bg-dark: #1e293b;

    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #94a3b8;

    --border: #e2e8f0;
    --border-hover: #cbd5e1;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-primary: 0 2px 8px rgba(59, 130, 246, 0.3);

    --transition: all 0.3s ease;
    --transition-fast: all 0.2s ease;
}

/* ===== Base ===== */
/* Google Fonts Inter — loaded via <link> in base.html for performance */

html {
    overflow-x: hidden;
}
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    background-image: radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.03) 0%, transparent 50%);
    overflow-x: hidden;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-fast);
}
a:hover {
    color: var(--primary-dark);
}

/* ===== Navbar (Glassmorphism) ===== */
.navbar-glass {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    padding: 8px 0;
    z-index: 1030;
}
.navbar-glass .navbar-brand {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.navbar-glass .navbar-brand:hover {
    color: var(--primary);
}
.brand-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.9rem;
    box-shadow: var(--shadow-primary);
}
.brand-favicon {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: var(--shadow-primary);
}
.navbar-glass .nav-link {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.82rem;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    white-space: nowrap;
}
.navbar-glass .nav-link:hover,
.navbar-glass .nav-link.active {
    color: var(--primary);
    background: var(--primary-light);
}
.navbar-glass .dropdown-menu {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 8px;
}
.navbar-glass .dropdown-item {
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 500;
    padding: 7px 12px;
}
.navbar-glass .dropdown-item:hover {
    background: rgba(59, 130, 246, 0.15);
    color: var(--primary);
}

/* ===== Navbar — Tablet (992px-1199px) compact ===== */
@media (min-width: 992px) and (max-width: 1199.98px) {
    .navbar-glass .navbar-brand {
        font-size: 0.82rem;
    }
    .navbar-glass .navbar-brand .brand-favicon {
        width: 28px;
        height: 28px;
    }
    .navbar-glass .nav-link {
        font-size: 0.75rem;
        padding: 5px 6px;
    }
    .navbar-glass .dropdown-item {
        font-size: 0.78rem;
    }
    .search-bar {
        max-width: 120px;
        font-size: 0.75rem;
    }
    .navbar-glass .btn-gradient,
    .navbar-glass .btn-sm {
        font-size: 0.72rem;
        padding: 4px 10px;
    }
    .navbar-glass .theme-toggle {
        font-size: 0.85rem;
        padding: 4px 8px;
    }
}

/* ===== Search Bar ===== */
.search-bar {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    padding: 5px 10px;
    transition: var(--transition-fast);
    max-width: 180px;
}
.search-bar:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* ===== Buttons ===== */
.btn-gradient {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.85rem;
    box-shadow: var(--shadow-primary);
    transition: var(--transition);
}
.btn-gradient:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.4);
    color: #fff;
}
.btn-gradient:active {
    transform: translateY(0);
}
.btn-gradient-success {
    background: linear-gradient(135deg, var(--success), var(--success-dark));
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}
.btn-gradient-success:hover {
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
    color: #fff;
}
.btn-soft {
    background: var(--primary-light);
    color: var(--primary);
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition);
}
.btn-soft:hover {
    background: rgba(59, 130, 246, 0.15);
    color: var(--primary-dark);
}
.btn-outline-soft {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text-secondary);
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.85rem;
    transition: var(--transition);
}
.btn-outline-soft:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}

/* ===== Cards ===== */
.card-modern {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.card-modern:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
    border-color: var(--border-hover);
}
.card-modern .card-body {
    padding: 24px;
}

/* Category Icon */
.category-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 16px;
}
.category-icon.grammar { background: rgba(59, 130, 246, 0.1); color: var(--primary); }
.category-icon.vocabulary { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.category-icon.reading { background: rgba(245, 158, 11, 0.1); color: var(--warning); }
.category-icon.exam { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; }

/* Subcategory / Topic Cards */
.subcategory-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary) !important;
}

/* ===== Hero Section ===== */
.hero-section {
    padding: 48px 0 40px;
}
.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(139, 92, 246, 0.08));
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-xl);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
}
.hero-title {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.15;
    color: var(--text-primary);
    margin-bottom: 16px;
}
.hero-title span {
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-desc {
    color: var(--text-secondary);
    font-size: 1.02rem;
    line-height: 1.7;
    margin-bottom: 20px;
}
.hero-features {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
}
.hero-feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
}
.hero-feature-item i {
    font-size: 1rem;
    flex-shrink: 0;
}
.hero-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.btn-lg-hero {
    padding: 12px 28px !important;
    font-size: 0.92rem !important;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.35);
}
.hero-visual {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    padding: 24px;
}
.hero-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.06), rgba(139, 92, 246, 0.06));
    border-radius: var(--radius-xl);
    z-index: -1;
}
.stat-card {
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    transition: var(--transition);
    border: none;
}
.stat-card:hover {
    transform: translateY(-3px);
}
.stat-card.stat-blue {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(59, 130, 246, 0.18));
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}
.stat-card.stat-blue:hover { box-shadow: 0 6px 20px rgba(59, 130, 246, 0.25); }
.stat-card.stat-green {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(16, 185, 129, 0.18));
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.15);
}
.stat-card.stat-green:hover { box-shadow: 0 6px 20px rgba(16, 185, 129, 0.25); }
.stat-card.stat-purple {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.08), rgba(139, 92, 246, 0.18));
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.15);
}
.stat-card.stat-purple:hover { box-shadow: 0 6px 20px rgba(139, 92, 246, 0.25); }
.stat-card.stat-orange {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), rgba(245, 158, 11, 0.18));
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.15);
}
.stat-card.stat-orange:hover { box-shadow: 0 6px 20px rgba(245, 158, 11, 0.25); }
.stat-card .stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    margin-bottom: 10px;
}
.stat-card .stat-icon.blue { background: rgba(59, 130, 246, 0.2); color: var(--primary); }
.stat-card .stat-icon.green { background: rgba(16, 185, 129, 0.2); color: var(--success); }
.stat-card .stat-icon.purple { background: rgba(139, 92, 246, 0.2); color: #8b5cf6; }
.stat-card .stat-icon.orange { background: rgba(245, 158, 11, 0.2); color: var(--warning); }
.stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 4px;
    color: var(--text-primary);
}
.stat-card .stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ===== Section Titles ===== */
.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}
.section-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 28px;
}

/* ===== Badge ===== */
.badge-soft {
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
}
.badge-soft.blue { background: rgba(59, 130, 246, 0.1); color: var(--primary); }
.badge-soft.green { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.badge-soft.orange { background: rgba(245, 158, 11, 0.1); color: var(--warning); }
.badge-soft.red { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.badge-soft.purple { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; }

/* ===== CEFR Level Badges ===== */
.cefr-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 700;
    color: #fff;
}
.cefr-badge.a1 { background: linear-gradient(135deg, #94a3b8, #64748b); }
.cefr-badge.a2 { background: linear-gradient(135deg, #a78bfa, #7c3aed); }
.cefr-badge.b1 { background: linear-gradient(135deg, var(--warning), var(--warning-dark)); }
.cefr-badge.b2 { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); }
.cefr-badge.c1 { background: linear-gradient(135deg, var(--success), var(--success-dark)); }
.cefr-badge.c2 { background: linear-gradient(135deg, var(--danger), var(--danger-dark)); }

/* ===== Test List ===== */
.test-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
    transition: var(--transition);
    text-decoration: none;
    color: var(--text-primary);
}
.test-list-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
    color: var(--text-primary);
}
.test-list-item .solved-icon {
    color: var(--success);
    font-size: 1.1rem;
}
.test-list-item .unsolved-icon {
    color: var(--text-muted);
}

/* ===== Quiz Options ===== */
.option-item {
    padding: 0;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: stretch;
    gap: 0;
    min-height: 48px;
}
.option-item label {
    padding: 14px 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    margin: 0;
}
.option-item.cursor-default {
    padding: 14px 18px;
    cursor: default;
    align-items: center;
    gap: 8px;
}
.option-item:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}
.option-item.selected {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.08);
    box-shadow: 0 0 0 3px var(--primary-light);
}
.option-item.correct {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.08);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}
.option-item.wrong {
    border-color: var(--danger);
    background: rgba(239, 68, 68, 0.08);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* ===== Question Card ===== */
.question-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary);
    box-shadow: var(--shadow-sm);
}
.question-card.answered-correct {
    border-left-color: var(--success);
}
.question-card.answered-wrong {
    border-left-color: var(--danger);
}

/* ===== Result Score Card ===== */
.score-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: 48px 32px;
    text-align: center;
}
.score-value {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
}
.score-value.excellent { color: var(--success); }
.score-value.good { color: var(--warning); }
.score-value.poor { color: var(--danger); }

/* ===== Profile Stats ===== */
.profile-stat {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    transition: var(--transition);
}
.profile-stat:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.profile-stat .stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 4px;
}

/* ===== Breadcrumb ===== */
.breadcrumb-modern {
    background: transparent;
    padding: 0;
    margin: 0;
    font-size: 0.8rem;
}
.breadcrumb-modern .breadcrumb-item a {
    color: var(--text-muted);
    text-decoration: none;
}
.breadcrumb-modern .breadcrumb-item a:hover {
    color: var(--primary);
}
.breadcrumb-modern .breadcrumb-item.active {
    color: var(--text-secondary);
}

/* ===== Timer ===== */
#timer {
    font-family: 'Inter', monospace;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* ===== Footer ===== */
.footer-modern {
    background: var(--bg-dark);
    padding: 48px 0 24px;
    color: #fff;
}
.footer-modern h6 {
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 16px;
    color: #fff;
}
.footer-modern .footer-link {
    color: var(--text-muted);
    font-size: 0.8rem;
    display: block;
    padding: 4px 0;
    transition: var(--transition-fast);
}
.footer-modern .footer-link:hover {
    color: #fff;
    padding-left: 4px;
}
.footer-modern .footer-brand {
    font-weight: 700;
    font-size: 1rem;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}
.footer-modern .footer-desc {
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.6;
}
.footer-modern .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    margin-top: 32px;
    font-size: 0.75rem;
    color: var(--text-muted);
}
.footer-social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition-fast);
}
.footer-social-link:hover {
    background: var(--primary);
    color: #fff;
}

/* ===== Modal Overrides ===== */
.modal-content {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}
.modal-header {
    border-bottom: none;
}
.modal .form-control {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 0.85rem;
    transition: var(--transition-fast);
}
.modal .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* ===== Google Sign-In Button ===== */
.btn-google-signin {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-white);
    color: var(--text-primary);
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}
.btn-google-signin:hover {
    border-color: #4285f4;
    box-shadow: 0 2px 8px rgba(66, 133, 244, 0.15);
    color: var(--text-primary);
}
.btn-google-signin svg {
    flex-shrink: 0;
}
.divider-text {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.78rem;
}
.divider-text::before,
.divider-text::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}
[data-theme="dark"] .btn-google-signin {
    background: var(--bg-dark);
    border-color: #334155;
}
[data-theme="dark"] .btn-google-signin:hover {
    border-color: #4285f4;
}

/* ===== Pagination ===== */
.page-link {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm) !important;
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding: 8px 14px;
    margin: 0 2px;
}
.page-link:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}
.page-item.active .page-link {
    background: var(--primary);
    border-color: var(--primary);
}

/* ===== Feature Cards ===== */
.feature-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    transition: var(--transition);
}
.feature-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 16px;
}
.feature-icon.blue { background: rgba(59, 130, 246, 0.1); color: var(--primary); }
.feature-icon.green { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.feature-icon.orange { background: rgba(245, 158, 11, 0.1); color: var(--warning); }
.feature-icon.purple { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; }
.feature-icon.red { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.feature-icon.teal { background: rgba(20, 184, 166, 0.1); color: #14b8a6; }

/* ===== FAQ Accordion ===== */
.faq-item {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
    overflow: hidden;
}
.faq-item summary {
    padding: 16px 20px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-primary);
    transition: var(--transition-fast);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: '\F282';
    font-family: 'bootstrap-icons';
    font-size: 0.8rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
}
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item[open] summary {
    color: var(--primary);
    background: var(--primary-light);
}
.faq-answer {
    padding: 0 20px 16px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.7;
}

/* ===== Contact Info Strip ===== */
.contact-info-strip {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0;
}
.contact-strip-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    transition: background 0.2s;
    flex: 1;
    min-width: 0;
    justify-content: center;
    white-space: nowrap;
}
a.contact-strip-item:hover {
    background: var(--primary-light);
    color: var(--primary);
}
.contact-strip-item i {
    font-size: 1rem;
    flex-shrink: 0;
}
.contact-strip-divider {
    width: 1px;
    height: 24px;
    background: var(--border);
    flex-shrink: 0;
}
@media (max-width: 767.98px) {
    .contact-info-strip {
        flex-direction: column;
    }
    .contact-strip-item {
        width: 100%;
        padding: 12px 16px;
        justify-content: flex-start;
    }
    .contact-strip-divider {
        width: 100%;
        height: 1px;
    }
}

/* ===== SEO Content Block (Redesigned) ===== */
.seo-content {
    padding: 32px 0;
}
.seo-content h2, .seo-content h3 {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}
.seo-content h2 { font-size: 1.4rem; }
.seo-content h3 { font-size: 1.15rem; }
.seo-content p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.8;
    margin-bottom: 16px;
}
.seo-content ul {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.8;
    padding-left: 20px;
}
.seo-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 32px 0;
}
.seo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.seo-grid-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 16px;
    border-radius: var(--radius-md);
    background: var(--bg-white);
    border: 1px solid var(--border);
    transition: border-color 0.2s;
}
.seo-grid-item:hover {
    border-color: var(--primary);
}
.seo-grid-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.seo-grid-item h3 {
    font-size: 0.9rem !important;
    margin-bottom: 4px !important;
}
.seo-grid-item p {
    font-size: 0.8rem !important;
    line-height: 1.6 !important;
    margin-bottom: 0 !important;
    color: var(--text-muted);
}
@media (max-width: 767.98px) {
    .seo-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Topic Compact Cards ===== */
.topic-nav-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 16px;
}
.topic-nav-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    border-radius: 20px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    white-space: nowrap;
}
.topic-nav-chip:hover {
    background: var(--primary);
    color: #fff;
}
.topic-nav-chip .chip-count {
    opacity: 0.7;
    font-weight: 400;
}
.topic-compact-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-white);
    transition: all 0.2s;
    height: 100%;
}
.topic-compact-card:hover {
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.1);
}
.topic-compact-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}
.topic-compact-icon.grammar { background: rgba(59,130,246,0.1); color: #3b82f6; }
.topic-compact-icon.vocabulary { background: rgba(16,185,129,0.1); color: #10b981; }
.topic-compact-icon.reading { background: rgba(245,158,11,0.1); color: #f59e0b; }
.topic-compact-icon.exam { background: rgba(139,92,246,0.1); color: #8b5cf6; }
.topic-compact-title {
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--text-primary);
    line-height: 1.3;
}
.topic-compact-sub {
    font-size: 0.72rem;
    color: var(--text-muted);
    line-height: 1.2;
}
.subcat-header-compact {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.subcat-header-compact i {
    font-size: 0.9rem;
    color: var(--primary);
}

/* ===== Info Box ===== */
.info-box {
    background: var(--primary-light);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-md);
    padding: 20px 24px;
}
.info-box.green {
    background: rgba(16, 185, 129, 0.06);
    border-color: rgba(16, 185, 129, 0.15);
}
.info-box.orange {
    background: rgba(245, 158, 11, 0.06);
    border-color: rgba(245, 158, 11, 0.15);
}

/* ===== CEFR Table ===== */
.cefr-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.85rem;
}
.cefr-table th, .cefr-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}
.cefr-table th {
    background: var(--bg-primary);
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.cefr-table td { color: var(--text-secondary); }
.cefr-table tr:last-child td { border-bottom: none; }

/* ===== Subcategory Chips ===== */
.subcategory-chip {
    display: inline-block;
    padding: 5px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}
.subcategory-chip:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
}

/* ===== Level Cards (CEFR nav) ===== */
.level-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px 12px;
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}
.level-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}
.level-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}
.level-count {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--primary);
    background: var(--primary-light);
    padding: 2px 10px;
    border-radius: 10px;
    white-space: nowrap;
}

/* ===== Step Numbers ===== */
.step-number {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    box-shadow: var(--shadow-primary);
}

/* ===== Lesson Content ===== */
.lesson-content {
    font-size: 0.92rem;
    line-height: 1.9;
    color: var(--text-secondary);
}
.lesson-content h2 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 32px;
    margin-bottom: 12px;
}
.lesson-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 24px;
    margin-bottom: 10px;
}
.lesson-content p {
    margin-bottom: 16px;
}
.lesson-content ul, .lesson-content ol {
    padding-left: 24px;
    margin-bottom: 16px;
}
.lesson-content li {
    margin-bottom: 6px;
}
.lesson-content code {
    background: var(--primary-light);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--primary-dark);
}
.lesson-content blockquote {
    border-left: 4px solid var(--primary);
    padding: 16px 20px;
    margin: 20px 0;
    background: var(--primary-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic;
    color: var(--text-primary);
}
.lesson-content .table-responsive-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 20px 0;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}
.lesson-content table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 0;
    font-size: 0.85rem;
    border: none;
    border-radius: 0;
    overflow: hidden;
    min-width: 400px;
}
.lesson-content table th {
    background: var(--bg-primary);
    font-weight: 600;
    padding: 10px 14px;
    text-align: left;
    color: var(--text-primary);
}
.lesson-content table td {
    padding: 10px 14px;
    border-top: 1px solid var(--border);
}

/* ===== Blog Content ===== */
.blog-content h2 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 32px;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary-light);
}
.blog-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 24px;
    margin-bottom: 10px;
}
.blog-content p {
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 14px;
}
.blog-content ul, .blog-content ol {
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--text-secondary);
    padding-left: 20px;
    margin-bottom: 14px;
}
.blog-content li {
    margin-bottom: 6px;
}
.blog-content strong {
    color: var(--text-primary);
}
.blog-content a {
    color: var(--primary);
    font-weight: 500;
    text-decoration: underline;
    text-underline-offset: 2px;
}
.blog-content a:hover {
    color: var(--primary-dark);
}
.blog-content .table-responsive-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}
.blog-content table {
    font-size: 0.85rem;
    margin-bottom: 0;
    min-width: 400px;
}
.blog-content table th {
    background: var(--primary-light);
    font-weight: 600;
    color: var(--text-primary);
}
.blog-content blockquote {
    border-left: 4px solid var(--primary);
    background: var(--primary-light);
    padding: 16px 20px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 16px 0;
    font-size: 0.88rem;
    color: var(--text-secondary);
}
.blog-content .info-box {
    background: rgba(59,130,246,0.05);
    border: 1px solid rgba(59,130,246,0.15);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin: 16px 0;
}
.blog-content .blog-faq {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-top: 32px;
    border: 1px solid var(--border);
}
.blog-content .blog-faq h2 {
    border-bottom: none;
    margin-top: 0;
}
.blog-content .blog-faq h3 {
    font-size: 0.95rem;
    margin-top: 16px;
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .hero-inner {
        grid-template-columns: 1fr;
    }
    .hero-visual {
        display: none;
    }
    .hero-features {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 6px 16px;
    }
    .hero-title {
        font-size: 1.8rem;
    }
    /* Navbar — mobile menu stacking */
    .navbar-glass .navbar-collapse .d-flex[role="search"] {
        width: 100%;
        margin: 8px 0;
    }
    .navbar-glass .navbar-collapse .d-flex[role="search"] .search-bar {
        width: 100%;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 1.5rem;
    }
    .hero-buttons {
        flex-direction: column;
    }
    .hero-feature-item {
        font-size: 0.82rem;
    }
    .btn-lg-hero {
        padding: 10px 24px !important;
        font-size: 0.88rem !important;
    }
    .card-modern .card-body {
        padding: 16px;
    }
    .section-title {
        font-size: 1.25rem;
    }
    /* Navbar search bar — collapse on tablet */
    .navbar-glass .search-bar {
        min-width: 140px;
    }
    /* Touch-friendly option items */
    .option-item {
        padding: 16px 18px;
        font-size: 0.88rem;
    }
    /* Touch-friendly pagination */
    .page-link {
        padding: 10px 14px;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }
    /* Test list items — larger touch target */
    .test-list-item {
        padding: 18px 16px;
    }
    /* FAQ summary — larger touch target */
    .faq-item summary {
        padding: 18px 16px;
        min-height: 48px;
    }
}

@media (max-width: 576px) {
    /* Navbar */
    .navbar-glass .navbar-brand {
        font-size: 0.85rem;
    }
    .navbar-glass .navbar-brand .brand-icon {
        width: 30px;
        height: 30px;
        font-size: 0.85rem;
    }
    .brand-favicon {
        width: 30px;
        height: 30px;
    }
    /* Hero section */
    .hero-section {
        padding: 28px 0 24px;
    }
    .hero-title {
        font-size: 1.3rem;
    }
    .hero-desc {
        font-size: 0.88rem;
    }
    .hero-badge {
        font-size: 0.68rem;
    }
    /* Section titles */
    .section-title {
        font-size: 1.1rem;
    }
    .section-desc {
        font-size: 0.82rem;
    }
    /* Card padding */
    .card-modern .card-body {
        padding: 14px;
    }
    /* Buttons — touch-friendly minimum height */
    .btn-gradient,
    .btn-soft,
    .btn-outline-soft {
        padding: 12px 20px;
        min-height: 44px;
    }
    .btn-gradient.btn-sm {
        padding: 10px 16px;
        min-height: 44px;
    }
    /* Quiz options — ensure tappable */
    .option-item {
        padding: 14px 14px;
        gap: 6px;
        font-size: 0.85rem;
    }
    /* Score card */
    .score-card {
        padding: 32px 20px;
    }
    .score-value {
        font-size: 3rem;
    }
    /* Profile stats */
    .profile-stat .stat-number {
        font-size: 1.4rem;
    }
    /* Step numbers */
    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    /* Feature cards */
    .feature-card {
        padding: 20px 16px;
    }
    /* Breadcrumb */
    .breadcrumb-modern {
        font-size: 0.72rem;
    }
    /* Footer */
    .footer-modern {
        padding: 32px 0 16px;
    }
    .footer-modern h6 {
        font-size: 0.8rem;
        margin-bottom: 10px;
    }
    .footer-modern .footer-link {
        font-size: 0.78rem;
        padding: 6px 0;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }
    /* Newsletter form — stack on mobile */
    .newsletter-form__input-group {
        flex-direction: column;
    }
    .newsletter-form__input-group .btn {
        width: 100%;
        min-height: 44px;
    }
    .newsletter-form__input-group .form-control {
        min-height: 44px;
    }
    /* Lesson content */
    .lesson-content {
        font-size: 0.88rem;
    }
    .lesson-content h2 {
        font-size: 1.15rem;
    }
    .lesson-content h3 {
        font-size: 1rem;
    }
    .lesson-content table {
        font-size: 0.78rem;
    }
    .lesson-content table th,
    .lesson-content table td {
        padding: 8px 10px;
    }
    /* Timer */
    #timer {
        font-size: 0.95rem;
    }
    /* Test list items */
    .test-list-item {
        padding: 14px 12px;
        font-size: 0.85rem;
    }
    /* Category icon — slightly smaller */
    .category-icon {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
        margin-bottom: 12px;
    }
    /* Subcategory chips */
    .subcategory-chip {
        padding: 4px 10px;
        font-size: 0.72rem;
    }
    /* Level cards */
    .level-card {
        padding: 14px 8px;
    }
    .level-label {
        font-size: 0.68rem;
    }
    .cefr-badge {
        width: 32px;
        height: 32px;
        font-size: 0.65rem;
    }
    /* SEO content */
    .seo-content h2 { font-size: 1.15rem; }
    .seo-content h3 { font-size: 1rem; }
    .seo-content p { font-size: 0.82rem; }
    /* Cambly result CTA */
    .cambly-result-link {
        padding: 16px;
    }
    /* Search bar in navbar */
    .search-bar {
        font-size: 0.8rem;
        padding: 6px 10px;
    }
    /* Form inputs — prevent iOS zoom on focus */
    .form-control,
    .form-select {
        font-size: 16px;
        min-height: 44px;
    }
    /* Footer bottom links — larger touch target */
    .footer-bottom .footer-link {
        padding: 4px 2px;
        font-size: 0.72rem;
    }
}

/* Very small phones (SE, older devices) */
@media (max-width: 375px) {
    .navbar-glass .navbar-brand {
        font-size: 0.78rem;
        gap: 6px;
    }
    .hero-title {
        font-size: 1.15rem;
    }
    .card-modern .card-body {
        padding: 12px;
    }
    .section-title {
        font-size: 1rem;
    }
    .option-item {
        padding: 12px;
        font-size: 0.82rem;
        min-height: 44px;
    }
    .score-value {
        font-size: 2.5rem;
    }
    /* Form inputs — ensure tappable */
    .form-control,
    .form-select {
        min-height: 44px;
        font-size: 16px; /* prevents iOS zoom on focus */
    }
    .profile-stat .stat-number {
        font-size: 1.2rem;
    }
    .stat-card .stat-value {
        font-size: 1.3rem;
    }
}

/* ===== Dashboard ===== */
:root {
    --silver-color: #94a3b8;
    --gold-color: #f59e0b;
}

.tier-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: var(--radius-xl);
    font-size: 0.7rem;
    font-weight: 600;
    color: #fff !important;
    vertical-align: middle;
    white-space: nowrap;
    line-height: 1.4;
}

.tier-badge.tier-free {
    background: linear-gradient(135deg, #94a3b8, #6b7280);
}

.tier-badge.tier-silver {
    background: linear-gradient(135deg, #94a3b8, #64748b);
}

.tier-badge.tier-gold {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.tier-locked-card {
    position: relative;
    background: var(--bg-white);
    border: 1px dashed var(--border);
    opacity: 0.92;
}
.btn-silver-upgrade {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-weight: 700;
    font-size: 0.88rem;
    padding: 10px 28px;
    border: none;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: var(--shadow-primary);
    text-decoration: none;
}
.btn-silver-upgrade:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
    color: #fff;
}

.tier-locked-overlay {
    position: absolute;
    top: 12px;
    right: 12px;
}

.period-btn {
    font-size: 0.75rem !important;
    padding: 4px 12px !important;
}

/* ===== Cambly Banner (Sidebar) ===== */
.cambly-banner {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: linear-gradient(135deg, #fff7ed, #fef3c7);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.cambly-banner a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.cambly-banner-inner {
    padding: 20px 16px;
    text-align: center;
}

.cambly-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, #f59e0b, #d97706);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #fff;
    margin-bottom: 12px;
}

.cambly-text {
    margin-bottom: 14px;
}

.cambly-text strong {
    display: block;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.cambly-text span {
    display: block;
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.cambly-text em {
    color: #d97706;
    font-style: normal;
    font-weight: 600;
}

.cambly-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 8px 20px;
    border-radius: var(--radius-xl);
    transition: var(--transition-fast);
}

.cambly-banner:hover .cambly-cta {
    transform: translateX(2px);
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.35);
}

/* ===== Advertise Banner (Sidebar) ===== */
.advertise-banner {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: linear-gradient(135deg, rgba(59,130,246,0.03), rgba(139,92,246,0.04));
    border: 1px solid rgba(59,130,246,0.12);
    transition: var(--transition-fast);
}

.advertise-banner:hover {
    border-color: rgba(59,130,246,0.25);
    box-shadow: 0 2px 12px rgba(59,130,246,0.08);
}

.advertise-banner a {
    text-decoration: none;
    color: inherit;
}

.advertise-banner-inner {
    padding: 18px 16px;
    text-align: center;
}

.advertise-banner-top {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.advertise-banner-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: #fff;
    flex-shrink: 0;
}

.advertise-banner-top strong {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
}

.advertise-banner-top span {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 1px;
}

.advertise-banner-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0 0 12px;
}

.advertise-banner-cta {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: linear-gradient(135deg, var(--primary), #2563eb);
    color: #fff !important;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 7px 18px;
    border-radius: var(--radius-xl);
    transition: var(--transition-fast);
    text-decoration: none !important;
}

.advertise-banner-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(59,130,246,0.3);
}

.advertise-banner-link {
    display: block;
    margin-top: 8px;
    font-size: 0.7rem;
    color: var(--text-muted) !important;
    text-decoration: none !important;
    transition: var(--transition-fast);
}

.advertise-banner-link:hover {
    color: var(--primary) !important;
}

/* ===== Cambly Horizontal Strip (Navbar altı) ===== */
.cambly-strip {
    background: linear-gradient(90deg, #f59e0b, #d97706);
    padding: 7px 0;
}
.cambly-strip-inner {
    text-decoration: none;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 0.82rem;
    transition: var(--transition-fast);
}
.cambly-strip-inner:hover {
    color: #fff;
}
.cambly-strip-inner > i {
    font-size: 1.1rem;
}
.cambly-strip-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.cambly-strip-cta {
    background: rgba(255, 255, 255, 0.2);
    padding: 3px 14px;
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
    transition: var(--transition-fast);
}
.cambly-strip-inner:hover .cambly-strip-cta {
    background: rgba(255, 255, 255, 0.35);
}
@media (max-width: 1024px) {
    .cambly-strip-inner {
        font-size: 0.75rem;
        gap: 8px;
    }
    .cambly-strip-text {
        min-width: 0;
    }
}

/* ===== Margin Ads (Container dışı, geniş ekranlarda) ===== */
.margin-ad {
    display: none;
}
@media (min-width: 1700px) {
    .margin-ad {
        display: block;
        position: fixed;
        top: 120px;
        z-index: 100;
        width: 160px;
    }
    .margin-ad-left {
        left: calc((100vw - 1320px) / 2 - 180px);
    }
    .margin-ad-right {
        right: calc((100vw - 1320px) / 2 - 180px);
    }
}
@media (min-width: 1920px) {
    .margin-ad {
        width: 200px;
    }
    .margin-ad-left {
        left: calc((100vw - 1320px) / 2 - 220px);
    }
    .margin-ad-right {
        right: calc((100vw - 1320px) / 2 - 220px);
    }
}
/* Margin-ad içindeki advertise banner — dikey compact stil */
.margin-ad .advertise-banner {
    border-radius: var(--radius-md);
}
.margin-ad .advertise-banner-inner {
    padding: 14px 12px;
}
.margin-ad .advertise-banner-top {
    flex-direction: column;
    text-align: center;
    gap: 6px;
}
.margin-ad .advertise-banner-desc {
    font-size: 0.7rem;
}
.margin-ad .advertise-banner-cta {
    font-size: 0.72rem;
    padding: 6px 14px;
}

/* ===== Cambly CTA (Test Sonucu) ===== */
.cambly-result-cta {
    margin-top: 20px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: linear-gradient(135deg, #fff7ed, #fef3c7);
    border: 1px solid rgba(245, 158, 11, 0.2);
    transition: var(--transition-fast);
}

.cambly-result-cta:hover {
    border-color: rgba(245, 158, 11, 0.4);
    box-shadow: 0 2px 12px rgba(245, 158, 11, 0.12);
}

.cambly-result-link {
    text-decoration: none !important;
    color: inherit;
    display: block;
    padding: 20px 24px;
}

.cambly-result-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, #f59e0b, #d97706);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #fff;
    flex-shrink: 0;
}

.cambly-result-link strong {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.cambly-result-link span {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.cambly-result-arrow {
    font-size: 1.2rem;
    color: #d97706;
    flex-shrink: 0;
    transition: var(--transition-fast);
}

.cambly-result-cta:hover .cambly-result-arrow {
    transform: translateX(4px);
}

/* ===== Sponsor Banner (Küçük — Sidebar / İçerik arası) ===== */
.sponsor-banner {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: linear-gradient(135deg, rgba(139,92,246,0.03), rgba(59,130,246,0.04));
    border: 1px dashed rgba(139,92,246,0.2);
    transition: var(--transition-fast);
}
.sponsor-banner:hover {
    border-color: rgba(139,92,246,0.35);
    box-shadow: 0 2px 12px rgba(139,92,246,0.08);
}
.sponsor-banner-inner {
    padding: 18px 16px;
    text-align: center;
}
.sponsor-banner-label {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.65rem;
    font-weight: 700;
    color: #8b5cf6;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}
.sponsor-banner-label i {
    font-size: 0.6rem;
}
.sponsor-banner-content {
    margin-bottom: 12px;
}
.sponsor-banner-placeholder {
    display: flex;
    align-items: center;
    gap: 10px;
    text-align: left;
}
.sponsor-banner-placeholder > i {
    font-size: 1.4rem;
    color: #8b5cf6;
    opacity: 0.6;
    flex-shrink: 0;
}
.sponsor-banner-placeholder strong {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}
.sponsor-banner-placeholder span {
    display: block;
    font-size: 0.72rem;
    color: var(--text-muted);
    line-height: 1.4;
}
.sponsor-banner-cta {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: linear-gradient(135deg, #8b5cf6, #6d28d9);
    color: #fff !important;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: var(--radius-xl);
    text-decoration: none !important;
    transition: var(--transition-fast);
}
.sponsor-banner-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(139,92,246,0.3);
    color: #fff !important;
}

/* ===== Sponsor Banner — Test Sonucu (Büyük) ===== */
.sponsor-result-banner {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: linear-gradient(135deg, rgba(139,92,246,0.04), rgba(59,130,246,0.04));
    border: 1px dashed rgba(139,92,246,0.2);
    margin-top: 16px;
    transition: var(--transition-fast);
}
.sponsor-result-banner:hover {
    border-color: rgba(139,92,246,0.35);
    box-shadow: 0 2px 12px rgba(139,92,246,0.08);
}
.sponsor-result-inner {
    padding: 20px 24px;
}
.sponsor-result-label {
    font-size: 0.65rem;
    font-weight: 700;
    color: #8b5cf6;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}
.sponsor-result-label i {
    font-size: 0.6rem;
}
.sponsor-result-body {
    display: flex;
    align-items: center;
    gap: 16px;
}
.sponsor-result-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(139,92,246,0.1), rgba(139,92,246,0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #8b5cf6;
    flex-shrink: 0;
}
.sponsor-result-text {
    flex-grow: 1;
}
.sponsor-result-text strong {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}
.sponsor-result-text p {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* Sponsor banner responsive */
@media (max-width: 768px) {
    .sponsor-result-body {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
    .sponsor-result-inner {
        padding: 16px;
    }
    .sponsor-banner-placeholder {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================================
   NEWSLETTER FORM
   ============================================================ */
.newsletter-form { margin-top: 16px; }
.newsletter-form__inner { display: flex; flex-direction: column; gap: 8px; }
.newsletter-form__icon { display: none; }
.newsletter-form__text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.newsletter-form__text strong {
    font-size: 0.82rem;
    color: var(--text-primary);
}
.newsletter-form__text span {
    font-size: 0.75rem;
    color: var(--text-muted);
}
.newsletter-form__input-group {
    display: flex;
    gap: 8px;
}
.newsletter-form__input-group .form-control {
    font-size: 0.8rem;
    padding: 8px 12px;
    flex: 1;
}
.newsletter-form__input-group .btn {
    font-size: 0.78rem;
    padding: 8px 16px;
    white-space: nowrap;
}
.newsletter-consent {
    font-size: 0.68rem;
    color: var(--text-muted);
    line-height: 1.4;
}
.newsletter-consent a {
    color: var(--primary);
    text-decoration: underline;
}

/* Footer dark theme override for newsletter */
.footer-modern .newsletter-form__text strong { color: #fff; }
.footer-modern .newsletter-form__text span { color: rgba(255,255,255,0.55); }
.footer-modern .newsletter-consent { color: rgba(255,255,255,0.4); }
.footer-modern .newsletter-consent a { color: rgba(255,255,255,0.6); }
.footer-modern .newsletter-form__input-group .form-control {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.12);
    color: #fff;
}
.footer-modern .newsletter-form__input-group .form-control::placeholder {
    color: rgba(255,255,255,0.35);
}

/* Newsletter CTA card variant (used on homepage, blog, test result) */
.newsletter-cta-card {
    background: linear-gradient(135deg, #0f172a, #1e1b4b);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    color: #fff;
}
.newsletter-cta-card .newsletter-form__text strong { color: #fff; }
.newsletter-cta-card .newsletter-form__text span { color: rgba(255,255,255,0.7); }
.newsletter-cta-card .newsletter-form__inner {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 16px;
}
.newsletter-cta-card .newsletter-form__icon {
    display: flex;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.2);
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.3rem;
    color: #93c5fd;
}
.newsletter-cta-card .newsletter-form__input-group .form-control {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.15);
    color: #fff;
}
.newsletter-cta-card .newsletter-form__input-group .form-control::placeholder {
    color: rgba(255,255,255,0.4);
}
.newsletter-cta-card .newsletter-consent { color: rgba(255,255,255,0.4); }
.newsletter-cta-card .newsletter-consent a { color: rgba(255,255,255,0.6); }

@media (max-width: 768px) {
    .newsletter-cta-card .newsletter-form__inner {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================================
   LEGAL CONTENT (Privacy Policy, Terms of Service)
   ============================================================ */
.legal-content h2 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 28px;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}
.legal-content h2:first-of-type { margin-top: 0; }
.legal-content p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.8;
}
.legal-content ul {
    padding-left: 20px;
    margin-bottom: 16px;
}
.legal-content li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 4px;
}
.legal-content a {
    color: var(--primary);
}

/* ============================================================
   COOKIE CONSENT BANNER
   ============================================================ */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: var(--bg-white);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
    padding: 16px 0;
}
.cookie-consent__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
.cookie-consent__text {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    flex: 1;
    min-width: 200px;
}
.cookie-consent__text i {
    font-size: 1.2rem;
    color: var(--primary);
    flex-shrink: 0;
}
.cookie-consent__text a {
    color: var(--primary);
    text-decoration: underline;
}
.cookie-consent__actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}
@media (max-width: 576px) {
    .cookie-consent__inner { flex-direction: column; text-align: center; }
    .cookie-consent__actions { width: 100%; justify-content: center; }
}

/* ===== Scroll to Top ===== */
.scroll-top-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9998;
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s, opacity 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.scroll-top-btn:hover {
    transform: translateY(-2px);
    background: var(--primary-dark);
}

/* ============================================================
   UTILITY CLASSES — inline style → CSS class refactoring
   ============================================================ */

/* ----- Text Color Utilities ----- */
.text-primary-var   { color: var(--primary); }
.text-success-var   { color: var(--success); }
.text-warning-var   { color: var(--warning); }
.text-danger-var    { color: var(--danger); }
.text-muted-var     { color: var(--text-muted); }
.text-secondary-var { color: var(--text-secondary); }
.text-primary-color { color: var(--text-primary); }
.text-purple        { color: #8b5cf6; }
.text-blue          { color: #3b82f6; }
.text-emerald       { color: #10b981; }
.text-amber         { color: #fbbf24; }
.text-gold          { color: var(--gold-color, #d97706); }
.text-silver        { color: var(--silver-color, #64748b); }
.text-slate         { color: #64748b; }
.text-gray          { color: #6b7280; }
.text-sky           { color: #93c5fd; }
.text-white-80      { color: rgba(255,255,255,0.8); }
.text-white-75      { color: rgba(255,255,255,0.75); }
.text-white-60      { color: rgba(255,255,255,0.6); }
.text-white-50      { color: rgba(255,255,255,0.5); }

/* ----- Font Size Scale ----- */
.fs-xxxs   { font-size: 0.5rem; }
.fs-xxs    { font-size: 0.65rem; }
.fs-xs     { font-size: 0.7rem; }
.fs-caption{ font-size: 0.72rem; }
.fs-mini   { font-size: 0.75rem; }
.fs-small  { font-size: 0.78rem; }
.fs-label  { font-size: 0.8rem; }
.fs-body   { font-size: 0.82rem; }
.fs-base   { font-size: 0.85rem; }
.fs-md     { font-size: 0.88rem; }
.fs-normal { font-size: 0.9rem; }
.fs-sub    { font-size: 0.95rem; }
.fs-h4     { font-size: 1.05rem; }
.fs-h3     { font-size: 1.1rem; }
.fs-h3a    { font-size: 1.15rem; }
.fs-h2     { font-size: 1.2rem; }
.fs-h2a    { font-size: 1.3rem; }
.fs-h1s    { font-size: 1.4rem; }
.fs-h1     { font-size: 1.5rem; }
.fs-h1a    { font-size: 1.6rem; }
.fs-display{ font-size: 1.8rem; }
.fs-hero   { font-size: 2rem; }
.fs-jumbo  { font-size: 2.5rem; }
.fs-mega   { font-size: 3rem; }

/* ----- Padding Utilities ----- */
.p-10  { padding: 10px; }
.p-12  { padding: 12px; }
.p-16  { padding: 16px; }
.p-20  { padding: 20px; }
.p-24  { padding: 24px; }
.p-28  { padding: 28px; }
.p-32  { padding: 32px; }
.p-40  { padding: 40px; }
.py20-px12 { padding: 20px 12px; }
.py28-px20 { padding: 28px 20px; }
.py28-px24 { padding: 28px 24px; }
.py32-px24 { padding: 32px 24px; }
.py32-px28 { padding: 32px 28px; }
.py20-px24 { padding: 20px 24px; }
.py16-px20 { padding: 16px 20px; }
.py12-px16 { padding: 12px 16px; }
.py14-px16-pb10 { padding: 14px 16px 10px; }
.py60-px24 { padding: 60px 24px; }
.py40-px24 { padding: 40px 24px; }
.py28-px32 { padding: 28px 32px; }
.py18-px20 { padding: 18px 20px; }
.py7-px18  { padding: 7px 18px; }
.py10-px28 { padding: 10px 28px; }

/* ----- Max-width Centering ----- */
.max-w-300 { max-width: 300px; }
.max-w-500 { max-width: 500px; margin-left: auto; margin-right: auto; }
.max-w-550 { max-width: 550px; margin-left: auto; margin-right: auto; }
.max-w-600 { max-width: 600px; margin-left: auto; margin-right: auto; }
.max-w-650 { max-width: 650px; margin-left: auto; margin-right: auto; }
.max-w-700 { max-width: 700px; margin-left: auto; margin-right: auto; }
.max-w-800 { max-width: 800px; margin-left: auto; margin-right: auto; }

/* ----- Layout / Misc Utilities ----- */
.overflow-hidden  { overflow: hidden; }
.cursor-pointer   { cursor: pointer; }
.cursor-default   { cursor: default; }
.ws-nowrap        { white-space: nowrap; }
.flex-shrink-0    { flex-shrink: 0; }
.lh-1             { line-height: 1; }
.lh-14            { line-height: 1.4; }
.lh-15            { line-height: 1.5; }
.lh-16            { line-height: 1.6; }
.lh-17            { line-height: 1.7; }
.lh-18            { line-height: 1.8; }
.fw-600           { font-weight: 600; }
.fw-700           { font-weight: 700; }
.fw-800           { font-weight: 800; }
.border-none      { border: none; }
.link-inherit     { color: inherit; text-decoration: none; }
.link-sky         { color: #93c5fd; text-decoration: underline; }

/* ----- Background Utilities ----- */
.bg-dark-gradient    { background: linear-gradient(135deg, #0f172a, #1e1b4b); }
.bg-dark-gradient-xl { background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 40%, #312e81 100%); }
.bg-hero-gradient    { background: linear-gradient(135deg, #3b82f6, #6366f1); }
.bg-success-gradient { background: linear-gradient(135deg, #10b981, #059669); }
.bg-gold-gradient    { background: linear-gradient(135deg, #f59e0b, #d97706); }
.bg-amber-gradient   { background: linear-gradient(135deg, #f59e0b, #f97316); }
.bg-purple-gradient  { background: linear-gradient(135deg, #8b5cf6, #6d28d9); }
.bg-silver-gradient  { background: linear-gradient(135deg, rgba(148,163,184,0.15), rgba(100,116,139,0.15)); }
.bg-gold-icon        { background: linear-gradient(135deg, rgba(245,158,11,0.15), rgba(217,119,6,0.15)); }
.bg-blue-subtle      { background: rgba(59,130,246,0.03); }
.bg-blue-subtle-10   { background: rgba(59,130,246,0.1); }
.bg-purple-subtle    { background: rgba(139,92,246,0.1); }
.bg-green-subtle     { background: rgba(16,185,129,0.1); }
.bg-amber-subtle     { background: rgba(245,158,11,0.1); }
.bg-red-subtle       { background: rgba(239,68,68,0.08); }
.bg-gray-subtle      { background: rgba(107,114,128,0.1); }
.bg-cta-blue-purple  { background: linear-gradient(135deg, rgba(59,130,246,0.04), rgba(139,92,246,0.04)); }
.bg-cta-purple-blue  { background: linear-gradient(135deg, rgba(139,92,246,0.04), rgba(59,130,246,0.04)); }
.bg-cta-blue-purple-06 { background: linear-gradient(135deg, rgba(59,130,246,0.05), rgba(139,92,246,0.06)); }

/* Border utilities */
.border-subtle-blue   { border: 1px solid rgba(59,130,246,0.15); }
.border-subtle-purple { border: 1px solid rgba(139,92,246,0.15); }
.border-subtle-green  { border: 1px solid rgba(16,185,129,0.15); }
.border-left-primary  { border-left: 3px solid var(--primary); }
.border-left-danger   { border-left: 3px solid var(--danger); }

/* ----- Icon Circle / Box Components ----- */
.icon-circle-lg {
    width: 64px; height: 64px; border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    margin-bottom: 16px;
}
.icon-circle-md {
    width: 56px; height: 56px; border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    margin-bottom: 12px;
}
.icon-circle-sm {
    width: 48px; height: 48px; border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
}
.icon-box-lg {
    width: 44px; height: 44px; border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 14px;
}
.icon-box-md {
    width: 40px; height: 40px; border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.icon-box-sm {
    width: 36px; height: 36px; border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.icon-box-xs {
    width: 32px; height: 32px; border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}

/* ----- Avatar Components ----- */
.avatar-xl  { width: 88px; height: 88px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }
.avatar-lg  { width: 80px; height: 80px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }
.avatar-md  { width: 28px; height: 28px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 0.75rem; flex-shrink: 0; }
.avatar-sm  { width: 24px; height: 24px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 0.65rem; flex-shrink: 0; }
.avatar-badge { width: 22px; height: 22px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 0.65rem; }

/* ----- Typography Combos ----- */
.page-title       { font-size: 1.5rem; font-weight: 800; color: var(--text-primary); }
.page-subtitle    { color: var(--text-secondary); font-size: 0.88rem; line-height: 1.7; }
.section-heading  { font-size: 1.1rem; font-weight: 700; margin-bottom: 16px; }
.card-heading     { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.card-heading-sm  { font-size: 0.88rem; font-weight: 600; color: var(--text-primary); }
.stat-value       { font-size: 1.8rem; font-weight: 800; line-height: 1; }
.stat-value-md    { font-size: 1.6rem; font-weight: 800; }
.stat-value-sm    { font-size: 1.4rem; }
.stat-label       { font-size: 0.78rem; font-weight: 600; color: var(--text-muted); margin-top: 6px; }
.desc-text        { color: var(--text-secondary); font-size: 0.82rem; line-height: 1.7; margin-bottom: 0; }
.desc-text-md     { color: var(--text-secondary); font-size: 0.88rem; line-height: 1.7; }
.text-muted-sm    { color: var(--text-muted); font-size: 0.82rem; }
.text-muted-xs    { color: var(--text-muted); font-size: 0.75rem; }
.text-muted-xxs   { color: var(--text-muted); font-size: 0.72rem; }
.text-muted-tiny  { color: var(--text-muted); font-size: 0.7rem; }
.text-secondary-sm{ color: var(--text-secondary); font-size: 0.85rem; }

/* ----- Button Variants ----- */
.btn-gold-gradient  { background: linear-gradient(135deg, #f59e0b, #d97706); color: #fff; font-weight: 600; padding: 10px 28px; }
.btn-amber-gradient { background: linear-gradient(135deg, #f59e0b, #f97316); color: #fff; font-weight: 700; padding: 9px 24px; font-size: 0.82rem; border-radius: var(--radius-md); white-space: nowrap; }
.btn-purple-gradient{ background: linear-gradient(135deg, #8b5cf6, #6d28d9); color: #fff; font-weight: 600; padding: 10px 24px; font-size: 0.85rem; }
.btn-soft-sm        { font-size: 0.8rem; padding: 6px 14px; }
.btn-soft-xs        { font-size: 0.78rem; padding: 6px 12px; }
.btn-action-sm      { font-size: 0.78rem; padding: 5px 12px; }
.btn-ghost-white    { background: rgba(255,255,255,0.1); color: #fff; font-weight: 600; padding: 10px 28px; font-size: 0.85rem; border-radius: var(--radius-md); border: 1px solid rgba(255,255,255,0.2); }

/* ----- Promo / Badge Components ----- */
.promo-badge {
    position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    background: linear-gradient(135deg, #10b981, #059669); color: #fff;
    padding: 4px 20px; border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    font-size: 0.7rem; font-weight: 700; letter-spacing: 0.5px;
}
.promo-badge-inline {
    display: inline-block; color: #fff; padding: 6px 16px;
    border-radius: var(--radius-sm); font-size: 0.82rem; font-weight: 700; margin-bottom: 8px;
}
.badge-soft-xs { font-size: 0.68rem; padding: 3px 8px; }
.badge-soft-sm { padding: 5px 10px; font-size: 0.75rem; }
.badge-score-sm{ font-size: 0.8rem; padding: 5px 12px; }

/* ----- Announcement Banner ----- */
.announcement-banner {
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 40%, #312e81 100%);
    border-radius: var(--radius-lg); padding: 20px 24px;
    position: relative; overflow: hidden; color: #fff;
}
.announcement-bg-decor {
    position: absolute; top: -30px; right: -10px;
    font-size: 6rem; opacity: 0.05; pointer-events: none;
}
.announcement-text {
    font-size: 0.8rem; line-height: 1.65; margin: 6px 0 0; opacity: 0.9;
}
.announcement-fine-print {
    font-size: 0.75rem; line-height: 1.6; margin: 6px 0 0; opacity: 0.7;
}
.text-gradient-gold {
    background: linear-gradient(135deg, #f59e0b, #f97316);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; font-weight: 800; font-size: 0.95rem;
}
.countdown-timer {
    font-family: monospace; font-weight: 700; font-size: 1.05rem;
    color: #fbbf24; letter-spacing: 0.5px;
}
.countdown-timer-sm {
    font-family: monospace; font-weight: 700; font-size: 0.95rem;
    color: var(--warning);
}

/* ----- Pricing Card Components ----- */
.pricing-icon {
    width: 56px; height: 56px; border-radius: var(--radius-md);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.4rem; margin-bottom: 12px;
}
.pricing-feature-list {
    text-align: left; font-size: 0.85rem; list-style: none;
    padding: 0; margin-bottom: 20px;
}
.card-pricing-silver { padding: 32px 24px; border: 2px solid #94a3b8; position: relative; }
.card-pricing-gold   {
    padding: 32px 24px; position: relative;
    background: linear-gradient(135deg, rgba(245,158,11,0.03), rgba(245,158,11,0.08));
    border: 2px solid var(--warning);
}

/* ----- Leaderboard Components ----- */
.lb-card-header    { padding: 14px 16px 10px; border-bottom: 1px solid var(--border); }
.lb-rank-col       { width: 26px; text-align: center; flex-shrink: 0; font-weight: 700; }
.lb-rank-medal     { width: 22px; text-align: center; }
.lb-avatar         { width: 24px; height: 24px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 0.7rem; flex-shrink: 0; }
.lb-user-row-blue  { font-size: 0.75rem; background: rgba(59,130,246,0.04); }
.lb-user-row-green { font-size: 0.75rem; background: rgba(16,185,129,0.04); }
.lb-user-row-amber { font-size: 0.75rem; background: rgba(245,158,11,0.04); }
.lb-value          { min-width: 32px; text-align: right; }
.flex-fill-truncate{ flex: 1; min-width: 0; }

/* ----- Badge Guide (Leaderboard) ----- */
.badge-guide-row   { background: rgba(0,0,0,0.02); font-size: 0.82rem; }
.badge-guide-emoji { font-size: 1.1rem; }
.badge-box-earned  { background: rgba(59,130,246,0.04); border: 1px solid rgba(59,130,246,0.1); }
.badge-box-locked  { background: rgba(0,0,0,0.02); border: 1px solid rgba(0,0,0,0.05); }
.badge-name        { font-size: 0.72rem; font-weight: 600; margin-top: 2px; }
.badge-desc        { font-size: 0.6rem; color: var(--text-muted); }
.badge-pill-earned { background: rgba(59,130,246,0.06); border: 1px solid rgba(59,130,246,0.12); font-size: 0.78rem; }
.badge-pill-locked { background: rgba(0,0,0,0.02); border: 1px solid rgba(0,0,0,0.05); font-size: 0.72rem; opacity: 0.5; }
.progress-thin     { height: 3px; }

/* ----- Test Result / Answer Components ----- */
.answer-wrong {
    padding: 8px 12px; background: rgba(239,68,68,0.08);
    border: 1px solid rgba(239,68,68,0.2);
    border-radius: var(--radius-sm); font-size: 0.82rem;
}
.answer-correct {
    padding: 8px 12px; background: rgba(16,185,129,0.08);
    border: 1px solid rgba(16,185,129,0.2);
    border-radius: var(--radius-sm); font-size: 0.82rem;
}
.explanation-box {
    padding: 10px 14px; background: rgba(59,130,246,0.05);
    border-radius: var(--radius-sm); border-left: 3px solid var(--primary);
    font-size: 0.85rem; color: var(--text-secondary);
}
.explanation-box-sm {
    padding: 8px 12px; background: rgba(59,130,246,0.05);
    border-radius: var(--radius-sm); border-left: 3px solid var(--primary);
    font-size: 0.82rem; color: var(--text-secondary);
}

/* ----- Gold Upsell ----- */
.gold-upsell-card {
    border: 2px solid var(--gold-color, #d97706);
    background: linear-gradient(135deg, rgba(245,158,11,0.03), rgba(245,158,11,0.08));
}
.gold-banner {
    border: 1px solid var(--gold-color, #d97706);
    background: linear-gradient(135deg, rgba(245,158,11,0.02), rgba(245,158,11,0.06));
}
.premium-lock-card {
    border: 2px solid var(--silver-color, #94a3b8);
    background: linear-gradient(135deg, rgba(148,163,184,0.04), rgba(148,163,184,0.08));
}

/* ----- Footer Inline Links ----- */
.footer-inline-link { padding: 0; margin: 0 6px; }

/* ----- FAQ Components ----- */
.faq-item     { border-bottom: 1px solid var(--border); padding-bottom: 12px; }
.faq-summary  { font-weight: 600; font-size: 0.9rem; cursor: pointer; color: var(--text-primary); }
.faq-answer   { color: var(--text-secondary); font-size: 0.85rem; line-height: 1.8; margin-top: 8px; }

/* ----- School Package Step Circles ----- */
.step-circle {
    width: 56px; height: 56px; border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.3rem; margin-bottom: 12px;
}

/* ----- CEFR Badge Filter ----- */
.cefr-badge-filter { width: 22px; height: 22px; font-size: 0.55rem; }
.cefr-badge-lg     { width: 48px; height: 48px; font-size: 0.9rem; }

/* ----- Profile Components ----- */
.profile-decor { position: absolute; font-size: 5rem; opacity: 0.12; pointer-events: none; }
.profile-link-box {
    background: rgba(255,255,255,0.15); backdrop-filter: blur(10px);
    border-radius: var(--radius-md); padding: 6px 14px; font-size: 0.75rem;
}
.btn-copy {
    padding: 2px 8px; font-size: 0.7rem;
    background: rgba(255,255,255,0.2); border: 1px solid rgba(255,255,255,0.3);
    border-radius: var(--radius-sm);
}
.preview-sticky { position: sticky; top: 80px; }

/* ----- Blog Sidebar ----- */
.sidebar-sticky {
    position: sticky; top: 80px; z-index: 100;
    max-height: calc(100vh - 100px); overflow-y: auto;
}

/* ----- Card Category Icon (with type variants) ----- */
.icon-box-cat {
    width: 36px; height: 36px; border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; flex-shrink: 0;
}
.icon-box-cat.grammar { background: rgba(59,130,246,0.1); color: var(--primary); }
.icon-box-cat.vocab   { background: rgba(16,185,129,0.1); color: var(--success); }
.icon-box-cat.reading { background: rgba(245,158,11,0.1); color: var(--warning); }
.icon-box-cat.exam    { background: rgba(139,92,246,0.1); color: #8b5cf6; }

/* ============================================================
   DARK MODE
   ============================================================ */

/* --- Dark mode CSS custom properties --- */
[data-theme="dark"] {
    --primary: #60a5fa;
    --primary-dark: #3b82f6;
    --primary-light: rgba(96, 165, 250, 0.15);
    --success: #34d399;
    --success-dark: #10b981;
    --warning: #fbbf24;
    --warning-dark: #f59e0b;
    --danger: #f87171;
    --danger-dark: #ef4444;

    --bg-primary: #0f172a;
    --bg-white: #1e293b;
    --bg-dark: #0f172a;

    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --border: #334155;
    --border-hover: #475569;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-primary: 0 2px 8px rgba(96, 165, 250, 0.25);

    color-scheme: dark;
}

/* Bootstrap 5.3 dark mode integration */
[data-theme="dark"],
[data-bs-theme="dark"] {
    --bs-body-bg: #0f172a;
    --bs-body-color: #e2e8f0;
    --bs-border-color: #334155;
    --bs-tertiary-bg: #1e293b;
    --bs-secondary-bg: #1e293b;
    --bs-emphasis-color: #f1f5f9;
    --bs-link-color: #60a5fa;
    --bs-link-hover-color: #93bbfd;
}

/* --- Body background for dark mode --- */
[data-theme="dark"] body {
    background-color: #0f172a;
    background-image: radial-gradient(circle at 25% 25%, rgba(96, 165, 250, 0.04) 0%, transparent 50%);
}

/* --- Navbar glassmorphism dark --- */
[data-theme="dark"] .navbar-glass {
    background: rgba(15, 23, 42, 0.92);
    border-bottom-color: #334155;
}
[data-theme="dark"] .navbar-glass .dropdown-menu {
    background: #1e293b;
    border-color: #334155;
}
[data-theme="dark"] .navbar-glass .dropdown-item:hover {
    background: rgba(96, 165, 250, 0.15);
}
/* --- Custom hamburger toggle button --- */
.navbar-toggler-custom {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-white);
    color: var(--text-primary);
    font-size: 1.4rem;
    cursor: pointer;
    transition: var(--transition-fast);
}
.navbar-toggler-custom:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}
.navbar-toggler-custom[aria-expanded="true"] .bi-list::before {
    content: "\f659"; /* bi-x-lg */
}
[data-theme="dark"] .navbar-toggler-custom {
    background: rgba(255, 255, 255, 0.06);
    border-color: #475569;
    color: #e2e8f0;
}
[data-theme="dark"] .navbar-toggler-custom:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(59, 130, 246, 0.15);
}
@media (max-width: 991.98px) {
    .navbar-toggler-custom {
        display: flex;
    }
}

/* --- Mobile menu panel --- */
@media (max-width: 991.98px) {
    .navbar-glass .navbar-collapse {
        background: var(--bg-white);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        margin-top: 10px;
        padding: 12px;
        box-shadow: var(--shadow-lg);
    }
    [data-theme="dark"] .navbar-glass .navbar-collapse {
        background: #1e293b;
        border-color: #334155;
    }
    .navbar-glass .navbar-collapse .nav-link {
        padding: 10px 14px;
        border-radius: var(--radius-sm);
        font-size: 0.88rem;
        margin-bottom: 2px;
    }
    .navbar-glass .navbar-collapse .nav-link:hover,
    .navbar-glass .navbar-collapse .nav-link:active {
        background: var(--primary-light);
        color: var(--primary);
    }
    .navbar-glass .navbar-collapse .dropdown-menu {
        border: none;
        box-shadow: none;
        padding: 0 0 0 16px;
        background: transparent;
    }
    .navbar-glass .navbar-collapse .dropdown-item {
        font-size: 0.84rem;
        padding: 8px 12px;
    }
    .navbar-glass .navbar-collapse .btn-gradient {
        width: 100%;
        text-align: center;
        margin-top: 8px;
    }
    .navbar-glass .navbar-collapse .theme-toggle {
        margin: 8px 0;
    }
}

/* --- Cards & glassmorphism dark --- */
[data-theme="dark"] .card-modern {
    background: #1e293b;
    border-color: #334155;
}
[data-theme="dark"] .card-modern:hover {
    border-color: #475569;
}
[data-theme="dark"] .glass-card {
    background: rgba(30, 41, 59, 0.8);
    border-color: #334155;
}

/* --- Modals dark --- */
[data-theme="dark"] .modal-content {
    background: #1e293b;
    border-color: #334155;
}
[data-theme="dark"] .modal .form-control {
    background: #0f172a;
    border-color: #334155;
    color: #e2e8f0;
}
[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* --- Form controls dark --- */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: #0f172a;
    border-color: #334155;
    color: #e2e8f0;
}
[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.15);
    background-color: #0f172a;
    color: #e2e8f0;
}
[data-theme="dark"] .form-control::placeholder {
    color: #64748b;
}
[data-theme="dark"] .form-check-input {
    background-color: #0f172a;
    border-color: #475569;
}
[data-theme="dark"] .form-check-input:checked {
    background-color: #60a5fa;
    border-color: #60a5fa;
}
[data-theme="dark"] .search-bar {
    background: #0f172a;
    border-color: #334155;
    color: #e2e8f0;
}

/* --- Tables dark --- */
[data-theme="dark"] .cefr-table th {
    background: #0f172a;
}
[data-theme="dark"] .lesson-content table th {
    background: #0f172a;
}
[data-theme="dark"] .blog-content table th {
    background: rgba(96, 165, 250, 0.1);
}
[data-theme="dark"] .table {
    --bs-table-bg: transparent;
    --bs-table-color: #e2e8f0;
    --bs-table-border-color: #334155;
    --bs-table-striped-bg: rgba(255, 255, 255, 0.03);
    --bs-table-hover-bg: rgba(255, 255, 255, 0.05);
}

/* --- Quiz options dark --- */
[data-theme="dark"] .option-item {
    border-color: #334155;
    color: #e2e8f0;
}
[data-theme="dark"] .option-item:hover {
    border-color: #60a5fa;
    background: rgba(96, 165, 250, 0.1);
}
[data-theme="dark"] .option-item.selected {
    border-color: #60a5fa;
    background: rgba(96, 165, 250, 0.12);
}
[data-theme="dark"] .option-item.correct {
    border-color: #34d399;
    background: rgba(52, 211, 153, 0.12);
}
[data-theme="dark"] .option-item.wrong {
    border-color: #f87171;
    background: rgba(248, 113, 113, 0.12);
}

/* --- Question card dark --- */
[data-theme="dark"] .question-card {
    background: #1e293b;
    border-color: #334155;
}

/* --- FAQ dark --- */
[data-theme="dark"] .faq-item {
    background: #1e293b;
    border-color: #334155;
}
[data-theme="dark"] .faq-item[open] summary {
    background: rgba(96, 165, 250, 0.1);
}

/* --- Score card dark --- */
[data-theme="dark"] .score-card {
    background: #1e293b;
    border-color: #334155;
}

/* --- Feature card dark --- */
[data-theme="dark"] .feature-card {
    background: #1e293b;
    border-color: #334155;
}

/* --- Test list dark --- */
[data-theme="dark"] .test-list-item {
    background: #1e293b;
    border-color: #334155;
    color: #e2e8f0;
}
[data-theme="dark"] .test-list-item:hover {
    border-color: #60a5fa;
    color: #e2e8f0;
}

/* --- Level card dark --- */
[data-theme="dark"] .level-card {
    background: #1e293b;
    border-color: #334155;
}

/* --- Subcategory chip dark --- */
[data-theme="dark"] .subcategory-chip {
    background: #1e293b;
    border-color: #334155;
    color: #94a3b8;
}
[data-theme="dark"] .subcategory-chip:hover {
    background: rgba(96, 165, 250, 0.1);
}

/* --- Profile stat dark --- */
[data-theme="dark"] .profile-stat {
    background: #1e293b;
    border-color: #334155;
}

/* --- Pagination dark --- */
[data-theme="dark"] .page-link {
    background: #1e293b;
    border-color: #334155;
    color: #94a3b8;
}
[data-theme="dark"] .page-link:hover {
    background: rgba(96, 165, 250, 0.1);
    color: #60a5fa;
    border-color: #60a5fa;
}
[data-theme="dark"] .page-item.active .page-link {
    background: #60a5fa;
    border-color: #60a5fa;
    color: #fff;
}

/* --- Cookie consent dark --- */
[data-theme="dark"] .cookie-consent {
    background: #1e293b;
    border-top-color: #334155;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4);
}

/* --- Info boxes dark --- */
[data-theme="dark"] .info-box {
    background: rgba(96, 165, 250, 0.08);
    border-color: rgba(96, 165, 250, 0.2);
}
[data-theme="dark"] .info-box.green {
    background: rgba(52, 211, 153, 0.08);
    border-color: rgba(52, 211, 153, 0.2);
}
[data-theme="dark"] .info-box.orange {
    background: rgba(251, 191, 36, 0.08);
    border-color: rgba(251, 191, 36, 0.2);
}

/* --- Explanation boxes dark --- */
[data-theme="dark"] .explanation-box,
[data-theme="dark"] .explanation-box-sm {
    background: rgba(96, 165, 250, 0.08);
}

/* --- Answer boxes dark --- */
[data-theme="dark"] .answer-wrong {
    background: rgba(248, 113, 113, 0.12);
    border-color: rgba(248, 113, 113, 0.25);
}
[data-theme="dark"] .answer-correct {
    background: rgba(52, 211, 153, 0.12);
    border-color: rgba(52, 211, 153, 0.25);
}

/* --- Blog FAQ section dark --- */
[data-theme="dark"] .blog-content .blog-faq {
    background: #0f172a;
    border-color: #334155;
}

/* --- Lesson content code dark --- */
[data-theme="dark"] .lesson-content code {
    background: rgba(96, 165, 250, 0.15);
    color: #93c5fd;
}
[data-theme="dark"] .lesson-content blockquote,
[data-theme="dark"] .blog-content blockquote {
    background: rgba(96, 165, 250, 0.08);
    border-left-color: #60a5fa;
}

/* --- Cambly banner dark adjustments --- */
[data-theme="dark"] .cambly-banner {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), rgba(254, 243, 199, 0.05));
    border-color: rgba(245, 158, 11, 0.25);
}
[data-theme="dark"] .cambly-result-cta {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), rgba(254, 243, 199, 0.05));
    border-color: rgba(245, 158, 11, 0.25);
}

/* --- Advertise banner dark --- */
[data-theme="dark"] .advertise-banner {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.05), rgba(139, 92, 246, 0.06));
    border-color: rgba(96, 165, 250, 0.18);
}

/* --- Sponsor banner dark --- */
[data-theme="dark"] .sponsor-banner {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.06), rgba(96, 165, 250, 0.06));
    border-color: rgba(139, 92, 246, 0.25);
}
[data-theme="dark"] .sponsor-result-banner {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.06), rgba(96, 165, 250, 0.06));
    border-color: rgba(139, 92, 246, 0.25);
}

/* --- Legal content dark --- */
[data-theme="dark"] .legal-content h2 {
    border-bottom-color: #334155;
}

/* --- SEO divider dark --- */
[data-theme="dark"] .seo-divider {
    border-top-color: #334155;
}
/* --- Contact strip dark --- */
[data-theme="dark"] .contact-strip-divider {
    background: #334155;
}
[data-theme="dark"] a.contact-strip-item:hover {
    background: rgba(59, 130, 246, 0.1);
}
/* --- SEO grid dark --- */
[data-theme="dark"] .seo-grid-item {
    background: var(--bg-dark);
    border-color: #334155;
}
[data-theme="dark"] .seo-grid-item:hover {
    border-color: var(--primary);
}
/* --- Topic compact dark --- */
[data-theme="dark"] .topic-compact-card {
    background: var(--bg-dark);
    border-color: #334155;
}
[data-theme="dark"] .topic-compact-card:hover {
    border-color: var(--primary);
}
[data-theme="dark"] .topic-nav-chip {
    background: rgba(59, 130, 246, 0.1);
}

/* --- Leaderboard rows dark --- */
[data-theme="dark"] .lb-user-row-blue  { background: rgba(96, 165, 250, 0.06); }
[data-theme="dark"] .lb-user-row-green { background: rgba(52, 211, 153, 0.06); }
[data-theme="dark"] .lb-user-row-amber { background: rgba(251, 191, 36, 0.06); }
[data-theme="dark"] .lb-card-header    { border-bottom-color: #334155; }

/* --- Badge guide dark --- */
[data-theme="dark"] .badge-guide-row   { background: rgba(255, 255, 255, 0.03); }
[data-theme="dark"] .badge-box-earned  { background: rgba(96, 165, 250, 0.08); border-color: rgba(96, 165, 250, 0.15); }
[data-theme="dark"] .badge-box-locked  { background: rgba(255, 255, 255, 0.03); border-color: rgba(255, 255, 255, 0.06); }
[data-theme="dark"] .badge-pill-earned { background: rgba(96, 165, 250, 0.1); border-color: rgba(96, 165, 250, 0.18); }
[data-theme="dark"] .badge-pill-locked { background: rgba(255, 255, 255, 0.03); border-color: rgba(255, 255, 255, 0.06); }

/* --- Gold/Premium cards dark --- */
[data-theme="dark"] .gold-upsell-card {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.06), rgba(245, 158, 11, 0.12));
}
[data-theme="dark"] .gold-banner {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.04), rgba(245, 158, 11, 0.1));
}
[data-theme="dark"] .premium-lock-card {
    background: linear-gradient(135deg, rgba(148, 163, 184, 0.06), rgba(148, 163, 184, 0.12));
}
[data-theme="dark"] .card-pricing-gold {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.06), rgba(245, 158, 11, 0.12));
}
[data-theme="dark"] .tier-locked-card {
    background: #1e293b;
    border-color: #475569;
}

/* --- Footer stays dark (no change needed, but adjust border) --- */
[data-theme="dark"] .footer-modern {
    background: #0b1120;
    border-top: 1px solid #1e293b;
}

/* --- Dropdown divider dark --- */
[data-theme="dark"] .dropdown-divider {
    border-top-color: #334155;
}
[data-theme="dark"] hr {
    border-color: #334155;
}

/* --- Bootstrap alert overrides for dark --- */
[data-theme="dark"] .alert {
    border-color: #334155;
}

/* --- Subtle backgrounds dark mode --- */
[data-theme="dark"] .bg-blue-subtle      { background: rgba(96, 165, 250, 0.06); }
[data-theme="dark"] .bg-blue-subtle-10   { background: rgba(96, 165, 250, 0.12); }
[data-theme="dark"] .bg-purple-subtle    { background: rgba(139, 92, 246, 0.12); }
[data-theme="dark"] .bg-green-subtle     { background: rgba(52, 211, 153, 0.12); }
[data-theme="dark"] .bg-amber-subtle     { background: rgba(251, 191, 36, 0.12); }
[data-theme="dark"] .bg-red-subtle       { background: rgba(248, 113, 113, 0.1); }
[data-theme="dark"] .bg-gray-subtle      { background: rgba(148, 163, 184, 0.1); }
[data-theme="dark"] .bg-cta-blue-purple  { background: linear-gradient(135deg, rgba(96, 165, 250, 0.06), rgba(139, 92, 246, 0.06)); }
[data-theme="dark"] .bg-cta-purple-blue  { background: linear-gradient(135deg, rgba(139, 92, 246, 0.06), rgba(96, 165, 250, 0.06)); }
[data-theme="dark"] .bg-cta-blue-purple-06 { background: linear-gradient(135deg, rgba(96, 165, 250, 0.08), rgba(139, 92, 246, 0.08)); }
[data-theme="dark"] .bg-silver-gradient  { background: linear-gradient(135deg, rgba(148, 163, 184, 0.12), rgba(100, 116, 139, 0.12)); }

/* --- Focus outlines dark --- */
[data-theme="dark"] button:focus-visible,
[data-theme="dark"] .btn:focus-visible,
[data-theme="dark"] a:focus-visible,
[data-theme="dark"] input:focus-visible,
[data-theme="dark"] select:focus-visible,
[data-theme="dark"] textarea:focus-visible {
    box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.2);
}

/* --- Scroll-to-top dark --- */
[data-theme="dark"] .scroll-top-btn {
    background: #60a5fa;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}
[data-theme="dark"] .scroll-top-btn:hover {
    background: #3b82f6;
}

/* --- Theme toggle button --- */
.theme-toggle {
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 1rem;
    padding: 0;
    flex-shrink: 0;
}
.theme-toggle:hover {
    color: var(--primary);
    background: var(--primary-light);
    border-color: var(--primary);
}

/* --- SweetAlert2 dark mode --- */
[data-theme="dark"] .swal2-popup {
    background: #1e293b;
    color: #e2e8f0;
}
[data-theme="dark"] .swal2-title {
    color: #e2e8f0;
}
[data-theme="dark"] .swal2-html-container {
    color: #94a3b8;
}

/* --- Bootstrap card utility dark --- */
[data-theme="dark"] .card {
    --bs-card-bg: #1e293b;
    --bs-card-border-color: #334155;
    --bs-card-color: #e2e8f0;
    --bs-card-cap-bg: rgba(255, 255, 255, 0.03);
}

/* --- Bootstrap list-group dark --- */
[data-theme="dark"] .list-group-item {
    background-color: #1e293b;
    border-color: #334155;
    color: #e2e8f0;
}

/* --- Bootstrap nav-tabs / nav-pills dark --- */
[data-theme="dark"] .nav-tabs {
    border-bottom-color: #334155;
}
[data-theme="dark"] .nav-tabs .nav-link.active {
    background-color: #1e293b;
    border-color: #334155 #334155 #1e293b;
    color: #e2e8f0;
}
[data-theme="dark"] .nav-pills .nav-link.active {
    background-color: #60a5fa;
}

/* --- Progress bar dark --- */
[data-theme="dark"] .progress {
    background-color: #334155;
}

/* --- Transition for smooth theme switching --- */
html.theme-transitioning,
html.theme-transitioning *,
html.theme-transitioning *::before,
html.theme-transitioning *::after {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease !important;
}