/* ========================================
   IQ TEST APPLICATION - GLOBAL STYLES
   Tüm sayfalar için ortak CSS
   ======================================== */

/* ========================================
   RESET & BASE
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2C1810;
    --secondary: #F5E6D3;
    --accent: #C4956C;
    --text: #2C1810;
    --bg-light: #FFFFFF;
}

/* ========================================
   TEMA RENK PALETLERİ
   ======================================== */

/* Kahve Tonları */
body[data-theme="dark-coffee"] {
    --primary: #2C1810;
    --secondary: #F5E6D3;
    --accent: #C4956C;
    --bg-gradient-1: #1a0f08;
    --bg-gradient-2: #3d2817;
}

/* Okyanus Mavisi */
body[data-theme="ocean-blue"] {
    --primary: #003D5B;
    --secondary: #E8F4F8;
    --accent: #00A8CC;
    --bg-gradient-1: #001F2E;
    --bg-gradient-2: #004E73;
}

/* Kraliyet Moru */
body[data-theme="royal-purple"] {
    --primary: #1B1464;
    --secondary: #F0EEFF;
    --accent: #6B4CE6;
    --bg-gradient-1: #0D0935;
    --bg-gradient-2: #2D1F7A;
}

/* Zarif Siyah */
body[data-theme="elegant-black"] {
    --primary: #1C1C1C;
    --secondary: #F5F5F5;
    --accent: #D4AF37;
    --bg-gradient-1: #0A0A0A;
    --bg-gradient-2: #2A2A2A;
}

/* Gün Batımı Kırmızısı */
body[data-theme="sunset-red"] {
    --primary: #8B0000;
    --secondary: #FFF5E6;
    --accent: #DC143C;
    --bg-gradient-1: #3D0000;
    --bg-gradient-2: #660000;
}

/* Taze Yeşil */
body[data-theme="fresh-green"] {
    --primary: #2D6A4F;
    --secondary: #F1F8F4;
    --accent: #52B788;
    --bg-gradient-1: #1B4332;
    --bg-gradient-2: #40916C;
}

/* Gökyüzü Mavisi */
body[data-theme="sky-blue"] {
    --primary: #2C3E50;
    --secondary: #ECF0F1;
    --accent: #3498DB;
    --bg-gradient-1: #1A252F;
    --bg-gradient-2: #34495E;
}

/* Nane Yeşili */
body[data-theme="mint-green"] {
    --primary: #4A5568;
    --secondary: #E6F4F1;
    --accent: #48BB78;
    --bg-gradient-1: #1A202C;
    --bg-gradient-2: #2D3748;
}

/* Beyaz */
body[data-theme="pure-white"] {
    --primary: #2C3E50;
    --secondary: #FFFFFF;
    --accent: #3498DB;
    --bg-gradient-1: #ECF0F1;
    --bg-gradient-2: #FFFFFF;
}

/* ========================================
   BODY & LAYOUT
   ======================================== */
body {
    font-family: 'Open Sans', sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-1) 0%, var(--bg-gradient-2) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow-x: hidden;
    transition: background 0.5s ease;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
    animation: ambientFlow 8s ease-in-out infinite;
}

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

@keyframes ambientFlow {
    0%, 100% { opacity: 0.3; transform: translateY(0); }
    50% { opacity: 0.6; transform: translateY(-20px); }
}

/* ========================================
   CONTAINERS
   ======================================== */
.container {
    max-width: 650px;
    width: 90%;
    background: var(--secondary);
    border-radius: 24px;
    padding: 50px 45px;
    margin: 50px auto;
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.4),
        0 0 0 1px var(--accent);
    position: relative;
    animation: slideUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   BRANDING
   ======================================== */
.brand-container {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    border-bottom: 2px solid rgba(0, 0, 0, 0.1);
}

.brand-logo {
    max-width: 200px;
    max-height: 200px;
    margin: 0 auto;
    display: block;
}

.brand-title {
    font-size: 2.3em;
    font-weight: 800;
    color: var(--primary);
    margin: 0;
}


/* ========================================
   TYPOGRAPHY
   ======================================== */
h1 {
    font-family: 'Open Sans', sans-serif;
    color: var(--primary);
    font-size: 2.8em;
    margin-bottom: 12px;
    text-align: center;
    letter-spacing: -0.5px;
    font-weight: 800;
}

.subtitle {
    text-align: center;
    color: var(--accent);
    font-size: 1.15em;
    margin-bottom: 35px;
    font-weight: 600;
}

.info-text {
    color: var(--primary);
    font-size: 1.1em;
    margin: 20px 0;
    line-height: 1.6;
}

/* ========================================
   BUTTONS
   ======================================== */
.start-btn, .restart-btn {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--secondary);
    border: none;
    padding: 18px 50px;
    font-size: 1.25em;
    border-radius: 14px;
    cursor: pointer;
    font-family: 'Open Sans', sans-serif;
    font-weight: 700;
    margin-top: 25px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    letter-spacing: 1px;
}

.start-btn:hover, .restart-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.submit-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--secondary);
    border: none;
    padding: 16px;
    font-size: 1.2em;
    border-radius: 12px;
    cursor: pointer;
    font-family: 'Open Sans', sans-serif;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.skip-btn {
    background: transparent;
    color: var(--accent);
    border: none;
    padding: 12px;
    font-size: 1em;
    cursor: pointer;
    font-family: 'Open Sans', sans-serif;
    font-weight: 600;
    margin-top: 10px;
    text-decoration: underline;
    transition: all 0.3s ease;
}

.skip-btn:hover {
    color: var(--primary);
}

/* ========================================
   LINKS
   ======================================== */
.leaderboard-link, .back-link {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 30px;
    background: var(--accent);
    color: var(--secondary);
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.leaderboard-link:hover, .back-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* ========================================
   TIMER
   ======================================== */
.timer-container {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    padding: 18px;
    border-radius: 16px;
    margin-bottom: 30px;
    text-align: center;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.timer {
    font-family: 'Open Sans', sans-serif;
    font-size: 2.2em;
    color: var(--secondary);
    font-weight: 700;
    letter-spacing: 2px;
}

/* ========================================
   PROGRESS BAR
   ======================================== */
.progress-bar {
    height: 6px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    margin-bottom: 30px;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent) 0%, var(--primary) 100%);
    border-radius: 10px;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px var(--accent);
}

/* ========================================
   QUESTIONS
   ======================================== */
.question-container {
    margin-bottom: 35px;
}

.question-number {
    font-family: 'Open Sans', sans-serif;
    color: var(--accent);
    font-size: 1em;
    margin-bottom: 12px;
    font-weight: 700;
}

.question-text {
    font-size: 1.35em;
    color: var(--primary);
    margin-bottom: 30px;
    line-height: 1.5;
    font-weight: 600;
}

/* ========================================
   OPTIONS
   ======================================== */
.options {
    display: grid;
    gap: 14px;
}

.option {
    background: var(--bg-light);
    padding: 18px 22px;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    font-size: 1.1em;
    color: var(--primary);
    position: relative;
    overflow: hidden;
}

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

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

.option:hover {
    transform: translateX(8px);
    border-color: var(--accent);
    box-shadow: 0 6px 20px var(--accent);
}

.option.correct {
    background: linear-gradient(135deg, #2d5016 0%, #3a6b1f 100%);
    color: var(--bg-light);
    border-color: #4a8028;
    animation: correctPulse 0.6s ease-out;
    box-shadow: 0 0 30px rgba(74, 128, 40, 0.8), 0 8px 25px rgba(0, 0, 0, 0.3);
    font-weight: 700;
    transform: scale(1.05);
}

.option.correct::after {
    content: '✓ DOĞRU';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-weight: 800;
    font-size: 1.1em;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.option.wrong {
    background: linear-gradient(135deg, #8B4513 0%, #A0522D 100%);
    color: var(--bg-light);
    border-color: #CD853F;
    animation: wrongShake 0.5s ease-out;
}

.option.wrong::after {
    content: '✗ YANLIŞ';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-weight: 800;
    font-size: 1.1em;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

@keyframes correctPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); }
}

@keyframes wrongShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.option.disabled {
    pointer-events: none;
    opacity: 0.6;
}

/* ========================================
   FORMS
   ======================================== */

.form-input {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--accent);
    border-radius: 10px;
    font-family: 'Open Sans', sans-serif;
    font-size: 1em;
    transition: all 0.3s ease;
    background: var(--secondary);
    color: var(--primary);
    }

    .form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
    }

.submit-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--secondary);
    border: none;
    padding: 16px;
    font-size: 1.2em;
    border-radius: 12px;
    cursor: pointer;
    font-family: 'Open Sans', sans-serif;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    }

    .submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    }

.contact-form {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 16px;
    margin: 30px 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 1em;
}

.form-input {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--accent);
    border-radius: 10px;
    font-family: 'Open Sans', sans-serif;
    font-size: 1em;
    transition: all 0.3s ease;
    background: var(--secondary);
    color: var(--primary);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

/* ========================================
   LOADER
   ======================================== */
.loader-screen {
    text-align: center;
    animation: fadeIn 0.6s ease-out;
}

.loader {
    width: 80px;
    height: 80px;
    border: 8px solid var(--secondary);
    border-top: 8px solid var(--accent);
    border-radius: 50%;
    margin: 40px auto;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loader-text {
    font-size: 1.3em;
    color: var(--primary);
    font-weight: 600;
    margin-top: 20px;
}

.loader-subtext {
    font-size: 1em;
    color: var(--accent);
    margin-top: 10px;
}

/* ========================================
   RESULTS
   ======================================== */
.start-screen, .result-screen {
    text-align: center;
    animation: fadeIn 0.6s ease-out;
}

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

.result-score {
    font-family: 'Open Sans', sans-serif;
    font-size: 4em;
    color: var(--accent);
    margin: 25px 0;
    font-weight: 800;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.result-message {
    font-size: 1.3em;
    color: var(--primary);
    margin: 20px 0;
    line-height: 1.6;
}

.reward-message {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    padding: 20px;
    border-radius: 12px;
    margin: 20px 0;
    text-align: center;
    font-weight: 700;
    font-size: 1.2em;
    color: #000;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

/* ========================================
   LEADERBOARD STYLES
   ======================================== */

/* Leaderboard sayfası için body override */
body.leaderboard-page {
    display: block;
    padding: 40px 20px;
}

body.leaderboard-page::before {
    position: fixed;
    z-index: 0;
}

/* Leaderboard Container */
.leaderboard-container {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    margin-bottom: 30px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.header .brand-container {
    margin-bottom: 20px;
}

.header .brand-logo {
    max-width: 120px;
    max-height: 120px;
    margin: 0 auto 15px;
}

.header .brand-title {
    font-size: 1.8em;
}

.header h1 {
    font-size: 3em;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    margin-bottom: 10px;
}

.header .subtitle {
    color: #7F8C8D;
    font-size: 1.2em;
    font-weight: 600;
}

/* Leaderboard Card */
.leaderboard-card {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Stats Grid */
.stats-grid {
    margin: 10px auto;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 30px 40px;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.04));
    border-bottom: 2px solid rgba(0, 0, 0, 0.05);
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 1.4em;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 5px;
}

.stat-label {
    color: #7F8C8D;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9em;
    letter-spacing: 0.5px;
}

/* Podium */
.podium {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 40px;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.03), rgba(0, 0, 0, 0.05));
}

.podium-item {
    text-align: center;
    padding: 30px 20px;
    border-radius: 20px;
    background: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.podium-item:hover {
    transform: translateY(-10px);
}

.podium-item.first {
    order: 2;
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: white;
    transform: translateY(-20px);
}

.podium-item.second {
    order: 1;
    background: linear-gradient(135deg, #C0C0C0 0%, #A9A9A9 100%);
    color: white;
}

.podium-item.third {
    order: 3;
    background: linear-gradient(135deg, #CD7F32 0%, #B87333 100%);
    color: white;
}

.rank-icon {
    font-size: 3em;
    margin-bottom: 15px;
}

.podium-name {
    font-size: 1.3em;
    font-weight: 800;
    margin-bottom: 10px;
}

.podium-score {
    font-size: 2em;
    font-weight: 800;
    margin-bottom: 5px;
}

.podium-time {
    font-size: 0.9em;
    opacity: 0.8;
}

/* Table */
.table-container {
    padding: 40px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.03), rgba(0, 0, 0, 0.05));
}

th {
    padding: 20px 15px;
    text-align: left;
    font-weight: 800;
    color: #2C3E50;
    font-size: 1em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: 20px 15px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    color: #2C3E50;
    font-weight: 600;
}

tbody tr:hover {
    background: rgba(0, 0, 0, 0.02);
}

/* Badges */
.rank-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-weight: 800;
    font-size: 1.1em;
}

.rank-badge.top10 {
    background: linear-gradient(135deg, #11998E, #38EF7D);
}

.score-badge {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-weight: 800;
    font-size: 1.1em;
}

.score-badge.excellent {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #000;
}

.score-badge.good {
    background: linear-gradient(135deg, #11998E, #38EF7D);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: #95A5A6;
}

.empty-icon {
    font-size: 5em;
    margin-bottom: 20px;
}

.empty-text {
    font-size: 1.3em;
    font-weight: 600;
}

/* Loading State */
.loading {
    text-align: center;
    padding: 60px 20px;
}

.loading .loader {
    width: 60px;
    height: 60px;
    border: 6px solid rgba(0, 0, 0, 0.1);
    border-top: 6px solid var(--primary);
    margin: 0 auto 20px;
}

/* ========================================
   UTILITIES
   ======================================== */
.hidden {
    display: none !important;
}

.footer {
    position: absolute;
    bottom: 15px;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 0.85em;
    color: var(--accent);
    opacity: 0.7;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
    .container {
        padding: 40px 30px;
    }

    h1 {
        font-size: 2em;
    }

    .brand-title {
        font-size: 2em;
    }

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

    .podium-item.first {
        order: 1;
    }

    .podium-item.second {
        order: 2;
    }

    .podium-item.third {
        order: 3;
    }

    .table-container {
        padding: 20px;
        overflow-x: auto;
    }

    .stats-grid {
        padding: 20px;
    }
}