/* =====================================================
   QuizWeb - Modern Design System
   ===================================================== */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
    /* Primary palette - vibrant indigo/purple */
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: #e0e7ff;
    --primary-dark: #3730a3;
    --primary-rgb: 99, 102, 241;

    /* Accent - warm coral */
    --accent: #f43f5e;
    --accent-hover: #e11d48;
    --accent-light: #ffe4e6;

    /* Success / Warning / Danger */
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --info: #06b6d4;
    --info-light: #cffafe;

    /* Neutrals */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    /* Surfaces */
    --surface: #ffffff;
    --surface-raised: #ffffff;
    --surface-overlay: rgba(15, 23, 42, 0.6);
    --body-bg: var(--gray-50);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Borders */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 40%, #312e81 100%);
    --gradient-accent: linear-gradient(135deg, #f43f5e 0%, #fb7185 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
}

/* --- Global Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html, body {
    font-family: var(--font-sans);
    color: var(--gray-800);
    background-color: var(--body-bg);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.3;
}

h1 { letter-spacing: -0.025em; }
h2 { letter-spacing: -0.02em; }

p {
    color: var(--gray-600);
}

/* --- Links --- */
a, .btn-link {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover, .btn-link:hover {
    color: var(--primary-hover);
}

/* --- Buttons --- */
.btn {
    font-weight: 500;
    border-radius: var(--radius);
    transition: all var(--transition);
    letter-spacing: 0.01em;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    color: #fff;
    background: var(--gradient-primary);
    border: none;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover, .btn-primary:focus {
    background: var(--gradient-primary);
    filter: brightness(1.1);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.45);
    transform: translateY(-1px);
    color: #fff;
}

.btn-primary:active {
    transform: translateY(0);
    filter: brightness(0.95);
}

.btn-success {
    background: var(--gradient-success);
    border: none;
    color: #fff;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    filter: brightness(1.1);
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
    transform: translateY(-1px);
    color: #fff;
}

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

.btn-outline-primary:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-outline-secondary {
    color: var(--gray-600);
    border-color: var(--gray-300);
}

.btn-outline-secondary:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
    color: var(--gray-800);
    transform: translateY(-1px);
}

.btn-outline-light {
    border-color: rgba(255, 255, 255, 0.5);
    color: #fff;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: #fff;
    color: #fff;
    transform: translateY(-1px);
}

.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1.05rem;
    border-radius: var(--radius-md);
}

.btn-sm {
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.25);
}

/* --- Cards --- */
.card {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-slow);
    overflow: hidden;
}

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

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    background: transparent;
    border-top: 1px solid var(--gray-100);
}

.card-header {
    padding: 1rem 1.5rem;
    background: transparent;
    border-bottom: 1px solid var(--gray-100);
    font-weight: 600;
}

/* --- Badges --- */
.badge {
    font-weight: 500;
    letter-spacing: 0.02em;
    padding: 0.35em 0.75em;
    border-radius: var(--radius-full);
    font-size: 0.8em;
}

.badge.bg-primary {
    background: var(--primary) !important;
}

.badge.bg-success {
    background: var(--success) !important;
}

.badge.bg-warning {
    background: var(--warning) !important;
    color: var(--gray-900) !important;
}

.badge.bg-danger {
    background: var(--danger) !important;
}

.badge.bg-secondary {
    background: var(--gray-200) !important;
    color: var(--gray-700) !important;
}

.badge.bg-light {
    background: var(--gray-100) !important;
    color: var(--gray-700) !important;
}

.badge.bg-info {
    background: var(--info) !important;
    color: #fff !important;
}

/* --- Forms --- */
.form-control, .form-select {
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius);
    padding: 0.6rem 0.9rem;
    transition: all var(--transition-fast);
    color: var(--gray-800);
    background-color: var(--surface);
    font-size: 0.95rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
}

.form-control::placeholder {
    color: var(--gray-400);
}

.form-label {
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
}

.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
    color: var(--gray-400);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
    text-align: start;
}

.valid.modified:not([type=checkbox]) {
    outline: none;
    border-color: var(--success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.invalid {
    outline: none;
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.validation-message {
    color: var(--danger);
    font-size: 0.85rem;
    margin-top: 0.3rem;
}

/* --- Alerts --- */
.alert {
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    padding: 1rem 1.25rem;
}

.alert-success {
    background: var(--success-light);
    color: #065f46;
}

.alert-warning {
    background: var(--warning-light);
    color: #92400e;
}

.alert-danger {
    background: var(--danger-light);
    color: #991b1b;
}

.alert-info {
    background: var(--info-light);
    color: #155e75;
}

/* --- Progress Bar --- */
.progress {
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width 0.4s ease;
}

/* --- Navbar Overrides --- */
.navbar {
    /* Note: backdrop-filter removed — it creates a containing block for
       fixed-position descendants (e.g. modals inside the navbar), trapping
       them behind the main page content. The navbar already uses an opaque
       gradient background, so the blur had no visible effect. */
}

.navbar .navbar-brand {
    font-weight: 800;
    font-size: 1.4rem;
    letter-spacing: -0.03em;
}

.navbar .nav-link {
    font-weight: 500;
    transition: all var(--transition-fast);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.85rem !important;
}

.navbar .nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
}

.navbar .dropdown-menu {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    margin-top: 0.5rem !important;
}

.navbar .dropdown-item {
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.navbar .dropdown-item:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.navbar .dropdown-divider {
    border-color: var(--gray-200);
    margin: 0.35rem 0;
}

.navbar .dropdown-header {
    color: var(--gray-400);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.5rem 0.75rem 0.25rem;
}

/* --- List Group --- */
.list-group-item {
    border-color: var(--gray-100);
    transition: all var(--transition-fast);
    padding: 1rem 1.25rem;
}

.list-group-item-action:hover {
    background: var(--gray-50);
    transform: translateX(4px);
}

/* --- Modals --- */
.modal-content {
    border: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    border-bottom: 1px solid var(--gray-100);
    padding: 1.25rem 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--gray-100);
    padding: 1rem 1.5rem;
}

/* --- Spinners --- */
.spinner-border {
    color: var(--primary);
}

/* --- Tables --- */
.table {
    border-color: var(--gray-200);
}

.table th {
    font-weight: 600;
    color: var(--gray-700);
    background: var(--gray-50);
    border-bottom-width: 2px;
}

/* --- Utility Classes --- */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: var(--gradient-primary) !important;
}

.bg-gradient-hero {
    background: var(--gradient-hero) !important;
}

.bg-gradient-accent {
    background: var(--gradient-accent) !important;
}

.section-light {
    background: var(--gray-50);
}

.hover-lift {
    transition: all var(--transition-slow);
}

.hover-lift:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.icon-circle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.icon-circle-sm {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

/* Stat card with animated border on hover */
.stat-card {
    position: relative;
    border: none;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-slow);
}

.stat-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-slow);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Category card styles */
.category-card {
    border: 1px solid var(--gray-200) !important;
    border-radius: var(--radius-lg) !important;
    transition: all var(--transition-slow);
    background: var(--surface);
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg) !important;
    border-color: var(--primary-light) !important;
}

.category-card:hover .bi {
    color: var(--primary-hover) !important;
    transform: scale(1.15);
    transition: transform var(--transition);
}

.category-card .bi {
    transition: transform var(--transition), color var(--transition);
}

/* Quiz card styles */
.quiz-card {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg) !important;
    transition: all var(--transition-slow);
}

.quiz-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.quiz-card .card-title a {
    transition: color var(--transition-fast);
}

.quiz-card:hover .card-title a {
    color: var(--primary) !important;
}

/* Leaderboard styles */
.leaderboard-item {
    transition: all var(--transition-fast);
    border: none;
}

.leaderboard-item:hover {
    background: var(--primary-light);
}

.rank-gold { color: #f59e0b; }
.rank-silver { color: #94a3b8; }
.rank-bronze { color: #d97706; }

/* Footer */
.site-footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 3rem 0 1.5rem;
    margin-top: 3rem;
}

.site-footer a {
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

.site-footer a:hover {
    color: #fff;
}

.site-footer .footer-brand {
    font-weight: 800;
    font-size: 1.3rem;
    color: #fff;
    letter-spacing: -0.03em;
}

.site-footer .footer-heading {
    color: var(--gray-200);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
}

.site-footer hr {
    border-color: var(--gray-700);
    margin: 2rem 0 1.5rem;
}

/* Headings and paragraphs inside dark/gradient sections must inherit
   the container color (e.g. Bootstrap's text-white) instead of being
   forced to the default dark values by the global h1-h6 / p rules. */
.text-white h1, .text-white h2, .text-white h3,
.text-white h4, .text-white h5, .text-white h6,
.text-white p {
    color: inherit;
}

/* Footer paragraphs – keep readable on the dark background */
.site-footer p {
    color: var(--gray-400);
}

/* Section headings */
.section-heading {
    position: relative;
    display: inline-block;
    margin-bottom: 0.5rem;
}

.section-heading::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* Play quiz - answer buttons */
.answer-btn {
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md) !important;
    background: var(--surface);
    color: var(--gray-800);
    text-align: left;
    padding: 1rem 1.25rem !important;
    font-weight: 500;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.answer-btn:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary-dark);
    transform: translateX(4px);
}

.answer-btn.selected {
    border-color: var(--primary);
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.3);
}

/* Question navigator */
.q-nav-btn {
    width: 42px;
    height: 42px;
    border-radius: var(--radius) !important;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all var(--transition-fast);
}

/* Score circle (legacy) */
.score-circle {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    position: relative;
}

.score-circle.score-great {
    background: var(--success-light);
    border: 4px solid var(--success);
}

.score-circle.score-good {
    background: var(--warning-light);
    border: 4px solid var(--warning);
}

.score-circle.score-poor {
    background: var(--danger-light);
    border: 4px solid var(--danger);
}

/* Results page animations */
@keyframes ringFill {
    from { stroke-dasharray: 0 490; }
}

@keyframes barFill {
    from { width: 0; }
}

@keyframes iconBounce {
    0% { transform: scale(0); }
    50% { transform: scale(1.3); }
    70% { transform: scale(0.9); }
    100% { transform: scale(1); }
}

.results-ring-fill {
    animation: ringFill 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.results-bar-fill {
    animation: barFill 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
}

.results-icon-bounce {
    animation: iconBounce 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s both;
}

.results-card {
    animation: fadeInUp 0.5s ease-out forwards;
}

/* Keyboard hint */
kbd {
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    padding: 0.1em 0.4em;
    font-size: 0.8em;
    color: var(--gray-600);
    font-family: var(--font-sans);
}

/* Quiz container focus outline removal */
.container:focus {
    outline: none;
}

/* Search results dropdown */
.search-result-item {
    color: var(--gray-800);
    transition: background var(--transition-fast);
}

.search-result-item:hover {
    background: var(--primary-light);
    color: var(--gray-900);
}

/* Hero section */
.hero-section {
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

/* CTA section */
.cta-card {
    background: var(--gradient-primary) !important;
    border: none !important;
    border-radius: var(--radius-xl) !important;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    pointer-events: none;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Floating stat pills in hero */
.floating-pill {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.8rem;
    color: #fff;
    animation: float 4s ease-in-out infinite;
}

.floating-pill:nth-child(1) { animation-delay: 0s; }
.floating-pill:nth-child(2) { animation-delay: 1.3s; }
.floating-pill:nth-child(3) { animation-delay: 2.6s; }

.animate-fade-in-up {
    animation: fadeInUp 0.5s ease-out forwards;
}

.animate-fade-in {
    animation: fadeIn 0.4s ease-out forwards;
}

/* Staggered children animation */
.stagger-children > * {
    opacity: 0;
    animation: fadeInUp 0.4s ease-out forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.25s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.3s; }

/* Blazor error boundary */
.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
    border-radius: var(--radius);
}

.blazor-error-boundary::after {
    content: "An error has occurred."
}

.darker-border-checkbox.form-check-input {
    border-color: var(--gray-400);
}

h1:focus {
    outline: none;
}

/* Content area */
.content {
    padding-top: 1.1rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
    }

    .hero-section .d-flex {
        justify-content: center;
    }

    .display-4 {
        font-size: 2rem;
    }

    .score-circle {
        width: 120px;
        height: 120px;
    }
}


/* --- Quill rich-text display (ql-display) --- */
.ql-display p         { margin-bottom: .2rem; }
.ql-display p:last-child { margin-bottom: 0; }
.ql-display ol,
.ql-display ul        { padding-left: 1.5rem; margin-bottom: .2rem; }
.ql-display h1, .ql-display h2, .ql-display h3 { margin-bottom: .2rem; font-size: 1.1rem; }
.ql-display pre       { background: #f8f9fa; padding: .4rem .6rem; border-radius: .25rem; font-size: .85rem; white-space: pre-wrap; }
.ql-display code      { background: #f8f9fa; padding: .1rem .3rem; border-radius: .2rem; font-size: .85rem; }
.ql-display blockquote { border-left: 3px solid #dee2e6; padding-left: .75rem; color: #6c757d; margin: .25rem 0; }