/* ============================================
   SoruPortal - Premium Dark Mode Tasarım
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Poppins:wght@300;400;500;600;700;800;900&family=Open+Sans:wght@300;400;500;600;700;800&display=swap');

/* ============================================
   CSS Variables - Dark Mode Color System
   ============================================ */
:root {
    /* Primary Colors - Blue */
    --primary: #3B82F6;
    --primary-dark: #2563EB;
    --primary-darker: #1D4ED8;
    --primary-light: #60A5FA;
    --primary-lighter: #93C5FD;
    
    /* Secondary Colors - Blue Gradient */
    --secondary: #3B82F6;
    --secondary-dark: #2563EB;
    --secondary-light: #60A5FA;
    
    /* Accent Colors - Light Blue */
    --accent: #60A5FA;
    --accent-dark: #3B82F6;
    --accent-light: #93C5FD;
    --accent-soft: rgba(59, 130, 246, 0.18);
    
    /* Status Colors */
    --success: #10B981;
    --success-light: #34D399;
    --warning: #F59E0B;
    --warning-light: #FBBF24;
    --danger: #EF4444;
    --danger-light: #F87171;
    --info: #3B82F6;
    --info-light: #60A5FA;
    
    /* Dark Theme Colors */
    --bg-primary: #0F172A;
    --bg-secondary: #1E293B;
    --bg-tertiary: #334155;
    --bg-hover: #334155;
    --bg-card: #1E293B;
    --bg-surface: #1E293B;
    
    --text-primary: #f3f3ff;
    --text-secondary: #f9f9ff;
    --text-muted: #8f90a6;
    --text-light: #6b6d7f;
    --text-heading: #f9f9ff;
    
    --border: rgba(255, 255, 255, 0.05);
    --border-light: rgba(255, 255, 255, 0.08);
    --border-dark: rgba(255, 255, 255, 0.12);
    --border-strong: rgba(255, 255, 255, 0.12);
    
    /* Shadows (Admin Panel Style - Daha Derin) */
    --shadow-xs: 0 1px 2px 0 rgba(5, 6, 10, 0.4);
    --shadow-sm: 0 1px 3px 0 rgba(5, 6, 10, 0.5), 0 1px 2px 0 rgba(5, 6, 10, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(5, 6, 10, 0.6), 0 2px 4px -1px rgba(5, 6, 10, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(5, 6, 10, 0.7), 0 4px 6px -2px rgba(5, 6, 10, 0.6);
    --shadow-xl: 0 20px 25px -5px rgba(5, 6, 10, 0.8), 0 10px 10px -5px rgba(5, 6, 10, 0.7);
    --shadow-2xl: 0 25px 50px -12px rgba(5, 6, 10, 0.9);
    --shadow-soft: 0 15px 40px rgba(5, 6, 10, 0.55);
    --shadow-primary: 0 10px 25px -5px rgba(59, 130, 246, 0.3);
    --shadow-secondary: 0 10px 25px -5px rgba(37, 99, 235, 0.3);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Reset & Base Styles
   ============================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

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

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   Utility Classes
   ============================================ */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Open Sans', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

/* ============================================
   Button Styles
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 1.25rem;
    font-family: 'Inter', sans-serif;
    font-size: 0.8125rem;
    font-weight: 600;
    line-height: 1;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    border: none;
    font-weight: 600;
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
    background: var(--primary-darker);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.25);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: var(--shadow-md);
    background: var(--bg-tertiary);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(59, 130, 246, 0.1);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

.btn-full {
    width: 100%;
}

/* Button Shine Effect - Removed for cleaner look */

/* ============================================
   Card Styles
   ============================================ */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light), var(--secondary));
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.card:hover::before {
    opacity: 1;
}

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

.card-lg {
    padding: var(--spacing-2xl);
}

/* ============================================
   Test Card
   ============================================ */
.test-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    transition: all var(--transition-base);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.test-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary), var(--primary-light), var(--secondary));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.test-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.test-card:hover::after {
    opacity: 1;
}

.test-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.test-card:hover h3 {
    color: var(--primary-light);
}

/* ============================================
   Badge Styles
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid;
    white-space: nowrap;
}

.badge-primary {
    background: rgba(59, 130, 246, 0.15);
    color: var(--primary-light);
    border-color: rgba(59, 130, 246, 0.3);
}

.badge-secondary {
    background: rgba(124, 58, 237, 0.15);
    color: var(--secondary-light);
    border-color: rgba(124, 58, 237, 0.3);
}

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success-light);
    border-color: rgba(16, 185, 129, 0.3);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning-light);
    border-color: rgba(245, 158, 11, 0.3);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger-light);
    border-color: rgba(239, 68, 68, 0.3);
}

/* ============================================
   Form Input Styles
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.form-input {
    width: 100%;
    padding: 0.875rem 1.25rem;
    font-size: 0.9375rem;
    font-family: 'Inter', sans-serif;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
    background: var(--bg-tertiary);
}

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

.form-select {
    width: 100%;
    padding: 0.875rem 1.25rem;
    font-size: 0.9375rem;
    font-family: 'Inter', sans-serif;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
    background: var(--bg-tertiary);
}

/* ============================================
   Navbar Styles - Compact
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    padding-top: 0;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(15, 23, 42, 0.98);
}

.navbar-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    padding-left: calc(var(--spacing-lg) - 1rem);
    display: flex;
    align-items: center;
    gap: 3rem;
    height: 56px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: 'Open Sans', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-primary);
}

.navbar-logo {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    box-shadow: var(--shadow-primary);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    flex: 1;
}

.navbar-link {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    position: relative;
    transition: color var(--transition-fast);
}

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

.navbar-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-base);
}

.navbar-link:hover::after {
    width: 100%;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-left: auto;
}

/* Bildirim İkonu Stilleri */
#notificationBtn {
    position: relative;
    z-index: 10;
}

#notificationBtn:hover i {
    transform: rotate(-10deg);
    color: var(--primary);
}

#notificationDropdown {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.03) 0%, rgba(124, 58, 237, 0.03) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.08) 0%, transparent 70%);
    animation: rotate 25s linear infinite reverse;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

/* ============================================
   Stats Cards - Modern & Compact
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
    max-width: 600px;
    margin-left: 6rem;
    margin-right: auto;
}

.stats-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-sm);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all 0.2s ease;
    position: relative;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, var(--bg-card) 100%);
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.stats-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
    transform: translateY(-2px);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, var(--bg-card) 100%);
}

.stats-card:hover::before {
    opacity: 1;
}

.stats-number {
    font-size: 1.5rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: 0.25rem;
}

.stats-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (max-width: 768px) {
    .stats-grid {
        margin-left: 1rem;
        margin-right: 1rem;
    }
}

/* ============================================
   Grid Layouts
   ============================================ */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-1 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

@media (max-width: 1024px) {
    .grid-5 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-5,
    .grid-4,
    .grid-3,
    .grid-2 { grid-template-columns: 1fr; }
}

/* ============================================
   Progress Bar
   ============================================ */
.progress {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light), var(--secondary));
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.6);
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ============================================
   Question Choice Item
   ============================================ */
.choice-item {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.choice-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--primary);
    transform: scaleY(0);
    transition: transform var(--transition-base);
}

.choice-item:hover {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.1);
    transform: translateX(4px);
}

.choice-item:hover::before {
    transform: scaleY(1);
}

.choice-item.selected {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.15);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.choice-item.selected::before {
    transform: scaleY(1);
}

/* ============================================
   Question Grid
   ============================================ */
.question-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-sm);
}

.question-number {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9375rem;
    border: 2px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    font-family: 'Inter', sans-serif;
}

.question-number:hover {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-light);
}

.question-number.active {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.question-number.answered {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.15);
    color: var(--success-light);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: var(--spacing-2xl) 0 0 0;
    margin-top: var(--spacing-2xl);
    margin-bottom: 0;
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.footer-link {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-fast);
    font-size: 0.875rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .question-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .navbar-container {
        height: 60px;
        padding: 0 var(--spacing-md);
    }
    
    .navbar-menu {
        display: none;
    }
}

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

.animate-slide-in {
    animation: slideIn 0.6s ease-out;
}

.animate-scale-in {
    animation: scaleIn 0.4s ease-out;
}

/* ============================================
   Custom Scrollbar - Hidden
   ============================================ */
/* Webkit browsers (Chrome, Safari, Edge, Opera) - Hide scrollbar */
::-webkit-scrollbar {
    width: 0px;
    height: 0px;
    display: none;
}

::-webkit-scrollbar-track {
    display: none;
}

::-webkit-scrollbar-thumb {
    display: none;
}

/* Firefox - Hide scrollbar */
* {
    scrollbar-width: none;
    -ms-overflow-style: none;
}

/* Opera Scrollbar Support - Hide */
html {
    scrollbar-width: none;
    -ms-overflow-style: none;
}

/* Hide scrollbar for all browsers but keep scrolling functionality */
html, body {
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
}

html::-webkit-scrollbar, body::-webkit-scrollbar {
    display: none;  /* Chrome, Safari, Opera */
}

/* ============================================
   Scroll to Top Button
   ============================================ */
.scroll-to-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.scroll-to-top-btn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top-btn:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.scroll-to-top-btn:active {
    transform: translateY(-2px);
    box-shadow: 0 2px 10px rgba(59, 130, 246, 0.3);
}

@media (max-width: 768px) {
    .scroll-to-top-btn {
        bottom: 20px;
        right: 20px;
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
}

/* ============================================
   Utility Classes
   ============================================ */
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hidden {
    display: none;
}

.flex {
    display: flex;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }
.gap-5 { gap: var(--spacing-xl); }

.relative {
    position: relative;
}

.group:hover .group-hover\:block {
    display: block;
}

/* ============================================
   Disable Only Movement/Transform Hover Effects
   Keep color and border changes for better UX
   ============================================ */

/* Disable only movement/transform effects on hover - keep color changes */
*:hover {
    transform: none !important;
    scale: none !important;
    translate: none !important;
    translateY: none !important;
    translateX: none !important;
    rotate: none !important;
}

/* Keep transitions disabled to prevent animation delays */
*,
*::before,
*::after {
    transition: none !important;
    animation: none !important;
}

/* Disable movement on specific elements */
.card:hover,
.test-card:hover,
.btn:hover,
.choice-item:hover,
.question-number:hover,
.stats-card:hover {
    transform: none !important;
    scale: none !important;
    translate: none !important;
    translateY: none !important;
    translateX: none !important;
}

/* Disable pseudo-element transform animations */
.card:hover::before,
.test-card:hover::after,
.stats-card:hover::before,
.choice-item:hover::before {
    transform: none !important;
    scale: none !important;
}