/* ===============================================
   BettorAmongUs - Главные стили
   =============================================== */

:root {
    /* Цвета */
    --color-primary: #1a202c;
    --color-secondary: #2d3748;
    --color-accent: #48bb78;
    --color-danger: #f56565;
    --color-warning: #ed8936;
    --color-premium: #d69e2e;
    --color-text: #e2e8f0;
    --color-text-muted: #a0aec0;
    --color-bg: #0f1419;
    --color-bg-light: #1a202c;
    --color-border: #2d3748;
    
    /* Шрифты */
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Размеры */
    --max-width: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
}

/* ===============================================
   Базовые стили
   =============================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: #68d391;
}

/* ===============================================
   Header / Navigation
   =============================================== */

.header {
    background-color: var(--color-primary);
    border-bottom: 2px solid var(--color-border);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-text);
}

.logo-icon {
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--color-text-muted);
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--color-accent);
}

.nav-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ===============================================
   Кнопки
   =============================================== */

.btn {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-premium {
    background-color: var(--color-premium);
    color: var(--color-bg);
}

.btn-premium:hover {
    background-color: #b7791f;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(214, 158, 46, 0.3);
}

.btn-premium-large {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1.1rem;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--color-accent);
    color: var(--color-accent);
}

.btn-outline:hover {
    background-color: var(--color-accent);
    color: var(--color-bg);
}

/* ===============================================
   Hero Section
   =============================================== */

.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    padding: var(--spacing-xl) 0;
    text-align: center;
    border-bottom: 3px solid var(--color-accent);
}

.hero-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
}

/* ===============================================
   Sections
   =============================================== */

.predictions-section,
.stats-section,
.about-section {
    padding: var(--spacing-xl) 0;
}

.predictions-section h2,
.stats-section h2,
.about-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    font-size: 2rem;
}

/* ===============================================
   Predictions Cards
   =============================================== */

.predictions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.prediction-card {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.prediction-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.card-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.league {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.teams {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 1.2rem;
    font-weight: bold;
    margin: var(--spacing-sm) 0;
}

.vs {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.date-time {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.card-body {
    padding: var(--spacing-md);
}

.card-body > div {
    margin-bottom: var(--spacing-sm);
}

.prediction {
    font-size: 1.1rem;
    color: var(--color-accent);
}

.odds strong {
    color: var(--color-warning);
}

.confidence .stars {
    color: var(--color-premium);
}

.card-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

/* ===============================================
   Premium Teaser
   =============================================== */

.premium-teaser {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    border: 2px solid var(--color-premium);
    border-radius: 12px;
    padding: var(--spacing-lg);
    text-align: center;
}

.premium-teaser p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

/* ===============================================
   Stats Grid
   =============================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.stat-card {
    background-color: var(--color-bg-light);
    border: 2px solid var(--color-border);
    border-radius: 12px;
    padding: var(--spacing-lg);
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ===============================================
   Features Grid
   =============================================== */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.feature {
    text-align: center;
    padding: var(--spacing-md);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.feature h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

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

/* ===============================================
   Empty State
   =============================================== */

.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-muted);
    font-size: 1.2rem;
}

/* ===============================================
   Footer
   =============================================== */

.footer {
    background-color: var(--color-primary);
    border-top: 2px solid var(--color-border);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

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

.footer-section h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: var(--color-text-muted);
}

.footer-section a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
}

/* ===============================================
   Responsive Design
   =============================================== */

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .nav-menu {
        display: none; /* TODO: Add mobile menu */
    }
    
    .predictions-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}