/* ============================================
   KİTKİT - YDS HAZIRLIK UYGULAMASI
   NEON BLUE THEME - CYBERPUNK STYLE
   ============================================ */

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Neon Blue Palette */
    --primary-blue: #0066ff;
    --neon-blue: #00d4ff;
    --dark-blue: #001a33;
    --deep-blue: #000d1a;
    --electric-blue: #0088ff;
    --cyan-glow: #00ffff;
    
    /* Accents */
    --purple-accent: #6600ff;
    --pink-accent: #ff0080;
    
    /* Neutrals */
    --bg-dark: #0a0e1a;
    --bg-card: #0d1420;
    --text-light: #e0e6ff;
    --text-muted: #8899bb;
}

body {
    font-family: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(0, 100, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(102, 0, 255, 0.08) 0%, transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--text-light);
    position: relative;
}

/* Animated Grid Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

/* ============================================
   LOGIN SCREEN - NEON STYLE
   ============================================ */

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    position: relative;
    z-index: 1;
}

.login-box {
    background: rgba(13, 20, 32, 0.85);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 4px;
    padding: 50px;
    width: 100%;
    max-width: 450px;
    box-shadow: 
        0 0 40px rgba(0, 100, 255, 0.3),
        0 0 80px rgba(0, 212, 255, 0.15),
        inset 0 0 60px rgba(0, 212, 255, 0.05);
    position: relative;
    overflow: hidden;
}

.login-box::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--neon-blue), var(--purple-accent), var(--primary-blue));
    border-radius: 4px;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s;
}

.login-box:hover::before {
    opacity: 0.3;
}

.logo-section {
    text-align: center;
    margin-bottom: 40px;
}

.logo-section svg {
    margin-bottom: 20px;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

.logo-section h1 {
    font-size: 42px;
    background: linear-gradient(135deg, var(--neon-blue), var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    font-weight: 800;
    letter-spacing: 2px;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

.logo-section p {
    color: var(--text-muted);
    font-size: 14px;
    letter-spacing: 1px;
}

.form-container h2 {
    margin-bottom: 30px;
    color: var(--text-light);
    font-size: 24px;
    font-weight: 600;
}

.form-container input {
    width: 100%;
    padding: 15px 20px;
    margin-bottom: 20px;
    background: rgba(0, 26, 51, 0.5);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 2px;
    font-size: 16px;
    color: var(--text-light);
    transition: all 0.3s;
    font-family: inherit;
}

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

.form-container input:focus {
    outline: none;
    border-color: var(--neon-blue);
    background: rgba(0, 26, 51, 0.8);
    box-shadow: 
        0 0 20px rgba(0, 212, 255, 0.3),
        inset 0 0 20px rgba(0, 212, 255, 0.1);
}

.btn-primary {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary-blue), var(--electric-blue));
    color: white;
    border: 1px solid var(--neon-blue);
    border-radius: 2px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 0 20px rgba(0, 100, 255, 0.4),
        inset 0 0 20px rgba(0, 212, 255, 0.2);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 0 30px rgba(0, 212, 255, 0.6),
        0 10px 30px rgba(0, 100, 255, 0.4),
        inset 0 0 30px rgba(0, 212, 255, 0.3);
    border-color: var(--cyan-glow);
}

.btn-secondary {
    padding: 15px 30px;
    background: rgba(13, 20, 32, 0.6);
    color: var(--text-light);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 2px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: rgba(0, 26, 51, 0.8);
    border-color: var(--neon-blue);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

/* ============================================
   NAVBAR - FUTURISTIC DESIGN
   ============================================ */

.navbar {
    background: rgba(13, 20, 32, 0.9);
    backdrop-filter: blur(20px);
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.5),
        0 0 40px rgba(0, 212, 255, 0.1),
        inset 0 -1px 0 rgba(0, 212, 255, 0.3);
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    position: relative;
}

.navbar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--neon-blue) 20%, 
        var(--neon-blue) 80%, 
        transparent);
    box-shadow: 0 0 10px var(--neon-blue);
}

.logo {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 10px;
    margin: 0;
    padding: 0;
    flex: 1;
    justify-content: center;
}

.nav-links li {
    margin: 0;
    padding: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 600;
    transition: all 0.3s;
    padding: 12px 24px;
    border-radius: 0;
    display: block;
    font-size: 15px;
    border: 1px solid transparent;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--neon-blue);
    transform: translateX(-50%);
    transition: width 0.3s;
    box-shadow: 0 0 10px var(--neon-blue);
}

.nav-links a:hover {
    color: var(--neon-blue);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.nav-links a:hover::before {
    width: 100%;
}

.nav-links a.active {
    color: var(--neon-blue);
    background: rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 
        0 0 20px rgba(0, 212, 255, 0.2),
        inset 0 0 20px rgba(0, 212, 255, 0.1);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--neon-blue);
    padding: 5px;
}

.mobile-only-nav {
    display: none;
}

@media (max-width: 768px) {
    .mobile-only-nav {
        display: block;
    }
}

.btn-logout {
    padding: 12px 24px;
    background: rgba(255, 0, 80, 0.2);
    color: var(--pink-accent);
    border: 1px solid var(--pink-accent);
    border-radius: 2px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
}

@media (max-width: 768px) {
    .btn-logout {
        display: none !important;
    }
}

.btn-logout:hover {
    background: var(--pink-accent);
    color: white;
    transform: translateY(-2px);
    box-shadow: 
        0 0 20px rgba(255, 0, 128, 0.5),
        0 5px 15px rgba(255, 0, 128, 0.3);
}

/* ============================================
   DASHBOARD - CYBERPUNK CARDS
   ============================================ */

.dashboard {
    background: transparent;
    min-height: 100vh;
}

.dashboard-content {
    padding: 40px;
    padding-top: 120px;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.welcome-section {
    margin-bottom: 40px;
}

.welcome-section h1 {
    font-size: 36px;
    background: linear-gradient(135deg, var(--neon-blue), var(--electric-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    font-weight: 800;
    letter-spacing: 1px;
}

.welcome-section p {
    color: var(--text-muted);
    font-size: 18px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 60px;
    margin-bottom: 40px;
}

.stat-card {
    background: rgba(13, 20, 32, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 0;
    padding: 30px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 0 40px rgba(0, 212, 255, 0.05);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
    transition: left 0.6s;
}

.stat-card:hover::before {
    left: 100%;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-blue);
    box-shadow: 
        0 0 30px rgba(0, 212, 255, 0.3),
        0 12px 40px rgba(0, 0, 0, 0.5),
        inset 0 0 60px rgba(0, 212, 255, 0.1);
}

.stat-card h3 {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.stat-card .value {
    font-size: 42px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--neon-blue), var(--cyan-glow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.card {
    background: rgba(13, 20, 32, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 0;
    padding: 30px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 0 40px rgba(0, 212, 255, 0.05);
    position: relative;
}

.card::after {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    background: linear-gradient(135deg, var(--neon-blue), var(--purple-accent));
    border-radius: 0;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s;
}

.card:hover::after {
    opacity: 0.1;
}

.card h2 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--text-light);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-bottom: 2px solid rgba(0, 212, 255, 0.3);
    padding-bottom: 10px;
}

/* Level and Topic Selection */
.level-buttons, .topic-buttons {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    margin-bottom: 15px;
}

.btn-level, .btn-topic {
    padding: 14px 10px;
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 0;
    background: rgba(0, 26, 51, 0.4);
    color: var(--text-light);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn-level::before, .btn-topic::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-level:hover::before, .btn-topic:hover::before {
    left: 100%;
}

.btn-level:hover, .btn-topic:hover {
    border-color: var(--neon-blue);
    background: rgba(0, 100, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 
        0 0 20px rgba(0, 212, 255, 0.3),
        inset 0 0 20px rgba(0, 212, 255, 0.1);
    color: var(--cyan-glow);
}

.btn-level:active, .btn-topic:active {
    transform: translateY(0);
}

.topic-buttons {
    grid-template-columns: repeat(2, 1fr);
}

.btn-random {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--purple-accent), var(--pink-accent));
    color: white;
    border: 1px solid var(--purple-accent);
    border-radius: 0;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 
        0 0 20px rgba(102, 0, 255, 0.3),
        inset 0 0 20px rgba(255, 0, 128, 0.2);
}

.btn-random:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 0 30px rgba(102, 0, 255, 0.5),
        0 8px 20px rgba(255, 0, 128, 0.3),
        inset 0 0 30px rgba(255, 0, 128, 0.3);
}

.btn-topic-test {
    width: 100%;
    padding: 16px 20px;
    background: rgba(0, 26, 51, 0.4);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 0;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
    color: var(--text-light);
}

.btn-topic-test:hover {
    border-color: var(--neon-blue);
    background: rgba(0, 100, 255, 0.2);
    transform: translateX(5px);
    box-shadow: 
        0 0 20px rgba(0, 212, 255, 0.3),
        inset 0 0 20px rgba(0, 212, 255, 0.1);
}

/* Quiz History */
.quiz-history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: rgba(0, 26, 51, 0.3);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 0;
    margin-bottom: 10px;
    transition: all 0.3s;
}

.quiz-history-item:hover {
    background: rgba(0, 100, 255, 0.1);
    border-color: var(--neon-blue);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
}

.quiz-score {
    font-weight: 600;
    font-size: 18px;
    color: var(--text-light);
}

.quiz-date {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

.quiz-percentage {
    font-size: 24px;
    font-weight: bold;
    background: linear-gradient(135deg, var(--neon-blue), var(--cyan-glow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   QUIZ SCREEN - IMMERSIVE EXPERIENCE
   ============================================ */

.quiz-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-dark);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(0, 100, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
}

.quiz-header {
    background: rgba(13, 20, 32, 0.9);
    backdrop-filter: blur(20px);
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.5),
        inset 0 -1px 0 rgba(0, 212, 255, 0.3);
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
}

.quiz-progress {
    font-weight: 700;
    font-size: 18px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timer {
    font-weight: 700;
    font-size: 18px;
    color: var(--neon-blue);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.btn-exit-quiz {
    padding: 12px 24px;
    background: rgba(255, 0, 80, 0.2);
    color: var(--pink-accent);
    border: 1px solid var(--pink-accent);
    border-radius: 0;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-exit-quiz:hover {
    background: var(--pink-accent);
    color: white;
    transform: translateY(-2px);
    box-shadow: 
        0 0 20px rgba(255, 0, 128, 0.5),
        0 5px 15px rgba(255, 0, 128, 0.3);
}

.question-card {
    background: rgba(13, 20, 32, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 0;
    padding: 50px;
    margin: 40px auto;
    max-width: 900px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 40px rgba(0, 212, 255, 0.2),
        inset 0 0 60px rgba(0, 212, 255, 0.05);
    position: relative;
}

.question-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
    box-shadow: 0 0 15px var(--neon-blue);
}

.question-card h2 {
    font-size: 24px;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.6;
    font-weight: 600;
}

.answers-grid {
    display: grid;
    gap: 15px;
    margin-bottom: 30px;
}

.answer-option {
    display: flex;
    align-items: center;
    padding: 20px;
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 0;
    background: rgba(0, 26, 51, 0.4);
    cursor: pointer;
    transition: all 0.3s;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.answer-option::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.2), transparent);
    transition: left 0.5s;
}

.answer-option:hover::before {
    left: 100%;
}

.answer-option:hover {
    border-color: var(--neon-blue);
    background: rgba(0, 100, 255, 0.2);
    box-shadow: 
        0 0 20px rgba(0, 212, 255, 0.3),
        inset 0 0 20px rgba(0, 212, 255, 0.1);
}

.answer-option.selected {
    border-color: var(--neon-blue);
    background: rgba(0, 100, 255, 0.3);
    box-shadow: 
        0 0 30px rgba(0, 212, 255, 0.4),
        inset 0 0 30px rgba(0, 212, 255, 0.2);
}

.option-letter {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 26, 51, 0.6);
    border: 1px solid rgba(0, 212, 255, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--text-muted);
    margin-right: 20px;
    flex-shrink: 0;
    transition: all 0.3s;
}

.answer-option.selected .option-letter {
    background: var(--primary-blue);
    color: white;
    border-color: var(--neon-blue);
    box-shadow: 
        0 0 20px rgba(0, 212, 255, 0.5),
        inset 0 0 20px rgba(0, 212, 255, 0.3);
}

.option-text {
    font-size: 16px;
    color: var(--text-light);
}

/* ============================================
   RESULT SCREEN - VICTORY GLOW
   ============================================ */

.result-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-dark);
    background-image: 
        radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.2) 0%, transparent 50%);
    padding: 20px;
}

.result-card {
    background: rgba(13, 20, 32, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 0;
    padding: 60px;
    text-align: center;
    max-width: 600px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 60px rgba(0, 212, 255, 0.3),
        inset 0 0 60px rgba(0, 212, 255, 0.05);
    position: relative;
}

.result-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--neon-blue), var(--purple-accent), var(--pink-accent), var(--neon-blue));
    border-radius: 0;
    opacity: 0.3;
    z-index: -1;
    animation: borderGlow 3s linear infinite;
    background-size: 300% 300%;
}

@keyframes borderGlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.result-emoji {
    font-size: 80px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.5));
}

.result-card h1 {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--text-light);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.result-score {
    font-size: 72px;
    font-weight: 900;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--neon-blue), var(--cyan-glow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.5));
}

.result-percentage {
    font-size: 24px;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.result-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 40px;
}

.result-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-value {
    font-size: 36px;
    font-weight: bold;
}

.stat-value.correct {
    color: #00ff88;
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}

.stat-value.wrong {
    color: #ff0066;
    text-shadow: 0 0 20px rgba(255, 0, 102, 0.5);
}

.result-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.result-actions button {
    padding: 15px 40px;
}

/* ============================================
   PROFILE - PERSONALIZED STATS
   ============================================ */

.profile-card {
    max-width: 600px;
    margin: 0 auto;
}

.profile-info {
    text-align: center;
    margin-bottom: 40px;
}

.profile-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue), var(--purple-accent));
    border: 2px solid var(--neon-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 50px;
    margin: 0 auto 20px;
    box-shadow: 
        0 0 40px rgba(0, 212, 255, 0.4),
        inset 0 0 40px rgba(0, 212, 255, 0.2);
}

.profile-info h2 {
    font-size: 28px;
    margin-bottom: 8px;
    color: var(--text-light);
    font-weight: 700;
}

.profile-info p {
    color: var(--text-muted);
    font-size: 16px;
}

.profile-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 30px;
}

.profile-stat {
    text-align: center;
    padding: 20px;
    background: rgba(0, 26, 51, 0.4);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 0;
    transition: all 0.3s;
}

.profile-stat:hover {
    border-color: var(--neon-blue);
    box-shadow: 
        0 0 20px rgba(0, 212, 255, 0.3),
        inset 0 0 20px rgba(0, 212, 255, 0.1);
    transform: translateY(-5px);
}

.profile-stat .stat-value {
    font-size: 32px;
    font-weight: bold;
    background: linear-gradient(135deg, var(--neon-blue), var(--cyan-glow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.profile-stat .stat-label {
    font-size: 14px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    .dashboard-content {
        padding: 20px;
        padding-top: 100px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .question-card {
        padding: 30px 20px;
        margin: 20px;
    }
    
    .result-card {
        padding: 40px 30px;
    }
    
    .navbar {
        padding: 15px 20px;
        flex-wrap: wrap;
    }
    
    .nav-links {
        display: flex;
        flex-direction: column;
        width: 100%;
        order: 3;
        gap: 0;
        margin-top: 15px;
        background: rgba(13, 20, 32, 0.95);
        border-radius: 8px;
        padding: 10px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .nav-links.active {
        max-height: 500px;
    }
    
    .nav-links li {
        width: 100%;
    }
    
    .nav-links a {
        padding: 15px;
        border-bottom: 1px solid rgba(0, 212, 255, 0.1);
        text-align: center;
    }
    
    .nav-links li:last-child a {
        border-bottom: none;
    }
    
    .logo {
        flex: 1;
    }
    
    .mobile-menu-toggle {
        display: block !important;
        background: none;
        border: 2px solid rgba(0, 212, 255, 0.5);
        color: var(--neon-blue);
        font-size: 24px;
        padding: 8px 12px;
        cursor: pointer;
        border-radius: 8px;
        transition: all 0.3s;
    }
    
    .mobile-menu-toggle:hover {
        background: rgba(0, 212, 255, 0.1);
        box-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
    }
    
    .welcome-section h1 {
        font-size: 28px;
    }
    
    .level-buttons, .topic-buttons {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   CUSTOM SCROLLBAR - NEON STYLE
   ============================================ */

::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
    border-left: 1px solid rgba(0, 212, 255, 0.1);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-blue), var(--neon-blue));
    border-radius: 0;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--neon-blue), var(--cyan-glow));
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.8);
}

/* ============================================
   SELECTION STYLE
   ============================================ */

::selection {
    background: rgba(0, 212, 255, 0.3);
    color: var(--text-light);
}

/* ============================================
   ADDITIONAL UTILITY CLASSES
   ============================================ */

.neon-text {
    color: var(--neon-blue);
    text-shadow: 
        0 0 10px rgba(0, 212, 255, 0.8),
        0 0 20px rgba(0, 212, 255, 0.5),
        0 0 30px rgba(0, 212, 255, 0.3);
}

.pulse-glow {
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 212, 255, 0.6);
    }
}

.scan-line {
    position: relative;
    overflow: hidden;
}

.scan-line::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(180deg, 
        transparent, 
        rgba(0, 212, 255, 0.1), 
        transparent);
    animation: scan 3s linear infinite;
}

@keyframes scan {
    0% { top: -100%; }
    100% { top: 100%; }
}

/* ============================================
   LOADING ANIMATION
   ============================================ */

.loading {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 212, 255, 0.2);
    border-top-color: var(--neon-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

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

/* ============================================
   GLITCH EFFECT (OPTIONAL FOR SPECIAL ELEMENTS)
   ============================================ */

.glitch {
    position: relative;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.8;
}

.glitch::before {
    animation: glitch-1 0.3s infinite;
    color: var(--neon-blue);
    z-index: -1;
}

.glitch::after {
    animation: glitch-2 0.3s infinite;
    color: var(--pink-accent);
    z-index: -2;
}

@keyframes glitch-1 {
    0%, 100% { transform: translate(0); }
    33% { transform: translate(-2px, 2px); }
    66% { transform: translate(2px, -2px); }
}

@keyframes glitch-2 {
    0%, 100% { transform: translate(0); }
    33% { transform: translate(2px, -2px); }
    66% { transform: translate(-2px, 2px); }
}

/* ============================================
   KVKK CHECKBOX STYLES
   ============================================ */

.kvkk-container {
    margin: 20px 0;
    padding: 15px;
    background: rgba(0, 26, 51, 0.5);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 4px;
}

.kvkk-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 14px;
    line-height: 1.5;
}

.kvkk-checkbox input[type="checkbox"] {
    display: none;
}

.kvkk-checkbox .checkmark {
    width: 22px;
    height: 22px;
    min-width: 22px;
    border: 2px solid rgba(0, 212, 255, 0.5);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    background: rgba(0, 26, 51, 0.5);
}

.kvkk-checkbox input[type="checkbox"]:checked + .checkmark {
    background: var(--neon-blue);
    border-color: var(--neon-blue);
}

.kvkk-checkbox input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    color: var(--deep-blue);
    font-weight: bold;
    font-size: 14px;
}

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

.kvkk-link {
    color: var(--neon-blue);
    text-decoration: underline;
    transition: color 0.3s;
}

.kvkk-link:hover {
    color: var(--cyan-glow);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

/* ============================================
   PRICING SECTION
   ============================================ */

.pricing-section {
    padding: 60px 20px;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.pricing-header {
    text-align: center;
    margin-bottom: 50px;
}

.pricing-header h2 {
    font-size: 36px;
    background: linear-gradient(135deg, var(--neon-blue), var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
}

.pricing-header p {
    color: var(--text-muted);
    font-size: 18px;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    justify-items: center;
}

.pricing-card {
    background: rgba(13, 20, 32, 0.9);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    padding: 30px;
    width: 100%;
    max-width: 320px;
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-blue);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.2);
}

.pricing-card-popular {
    border: 2px solid var(--neon-blue);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
    transform: scale(1.05);
}

.pricing-card-popular:hover {
    transform: scale(1.08) translateY(-5px);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--neon-blue), var(--primary-blue));
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 14px;
    white-space: nowrap;
}

.pricing-card-header {
    text-align: center;
    margin-bottom: 25px;
}

.pricing-card-header h3 {
    font-size: 24px;
    color: var(--text-light);
    margin-bottom: 15px;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 5px;
}

.pricing-price .price {
    font-size: 42px;
    font-weight: 800;
    color: var(--neon-blue);
}

.pricing-price .period {
    font-size: 16px;
    color: var(--text-muted);
}

.pricing-savings {
    background: rgba(0, 255, 136, 0.2);
    color: #00ff88;
    padding: 6px 15px;
    border-radius: 15px;
    font-size: 14px;
    font-weight: bold;
    margin-top: 10px;
    display: inline-block;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 25px 0;
    flex-grow: 1;
}

.pricing-features li {
    padding: 10px 0;
    color: var(--text-light);
    font-size: 14px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-btn {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-btn-free {
    background: rgba(136, 153, 187, 0.2);
    color: var(--text-muted);
    border: 1px solid rgba(136, 153, 187, 0.3);
    cursor: default;
}

.pricing-btn-monthly {
    background: linear-gradient(135deg, var(--primary-blue), var(--electric-blue));
    color: white;
    border: 1px solid var(--neon-blue);
}

.pricing-btn-monthly:hover {
    box-shadow: 0 5px 20px rgba(0, 100, 255, 0.4);
    transform: translateY(-2px);
}

.pricing-btn-yearly {
    background: linear-gradient(135deg, var(--neon-blue), var(--cyan-glow));
    color: var(--deep-blue);
    font-weight: 800;
}

.pricing-btn-yearly:hover {
    box-shadow: 0 5px 25px rgba(0, 212, 255, 0.5);
    transform: translateY(-2px);
}

.pricing-btn-lifetime {
    background: linear-gradient(135deg, var(--purple-accent), var(--pink-accent));
    color: white;
}

.pricing-btn-lifetime:hover {
    box-shadow: 0 5px 25px rgba(102, 0, 255, 0.5);
    transform: translateY(-2px);
}

/* ============================================
   KVKK FOOTER
   ============================================ */

.kvkk-footer {
    text-align: center;
    padding: 30px 20px;
    background: rgba(0, 10, 20, 0.9);
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    position: relative;
    z-index: 1;
}

.kvkk-footer p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 10px;
}

.kvkk-footer-links {
    margin-top: 15px;
}

.kvkk-footer-links a {
    color: var(--neon-blue);
    text-decoration: none;
    transition: all 0.3s;
}

.kvkk-footer-links a:hover {
    color: var(--cyan-glow);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

/* ============================================
   KVKK MODAL
   ============================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 10, 20, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    padding: 20px;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 12px;
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 0 50px rgba(0, 212, 255, 0.2);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
}

.modal-header h2 {
    color: var(--neon-blue);
    font-size: 22px;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 28px;
    cursor: pointer;
    transition: color 0.3s;
    line-height: 1;
}

.modal-close:hover {
    color: var(--pink-accent);
}

.modal-body {
    padding: 25px;
    overflow-y: auto;
    flex-grow: 1;
}

.modal-body h3 {
    color: var(--neon-blue);
    font-size: 18px;
    margin: 25px 0 15px 0;
}

.modal-body h3:first-child {
    margin-top: 0;
}

.modal-body p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 15px;
}

.modal-body ul {
    color: var(--text-light);
    margin: 10px 0;
    padding-left: 25px;
}

.modal-body ul li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.modal-footer {
    padding: 20px 25px;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    text-align: center;
}

.modal-footer .btn-primary {
    max-width: 200px;
}

/* ============================================
   RESPONSIVE PRICING
   ============================================ */

@media (max-width: 768px) {
    .pricing-section {
        padding: 40px 15px;
    }
    
    .pricing-header h2 {
        font-size: 28px;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .pricing-card {
        max-width: 100%;
    }
    
    .pricing-card-popular {
        transform: scale(1);
    }
    
    .pricing-card-popular:hover {
        transform: translateY(-5px);
    }
    
    .modal-content {
        max-height: 95vh;
    }
    
    .modal-header h2 {
        font-size: 18px;
    }
    
    .modal-body {
        padding: 20px 15px;
    }
}