/* ============================================
   AutoHub Games Hub - Arc Raiders Inspired Design
   ============================================ */

/* === ROOT VARIABLES === */
:root {
    /* Brand Colors - Muted, Industrial */
    --brand-primary: #6b7a99;
    --brand-secondary: #8b9dc3;
    --brand-accent: #a5b4d4;
    --brand-highlight: #eae0cd;
    
    /* Background Colors - Deep Industrial */
    --bg-primary: #08090b;
    --bg-secondary: #0e1014;
    --bg-tertiary: #14171d;
    --bg-elevated: #1a1e26;
    --bg-surface: #1f242e;
    --bg-hover: rgba(174, 186, 210, 0.06);
    --bg-active: rgba(174, 186, 210, 0.1);
    
    /* Glass Effects */
    --glass-bg: rgba(20, 23, 29, 0.85);
    --glass-border: rgba(234, 224, 205, 0.06);
    --glass-blur: blur(20px);
    
    /* Text Colors */
    --text-primary: #eae0cd;
    --text-secondary: #b8b0a0;
    --text-muted: #7a7468;
    --text-dim: #524e46;
    
    /* Semantic Colors */
    --success: #5a8a6e;
    --warning: #c4a35a;
    --danger: #a65a5a;
    --info: #5a7a9a;
    
    /* Game Specific */
    --game-easy: #5a8a6e;
    --game-medium: #c4a35a;
    --game-hard: #a65a5a;
    
    /* 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: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* Noise texture */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.015;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    z-index: 9999;
}

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

/* === ANIMATIONS === */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* === HEADER === */
.games-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-weight: 700;
    font-size: 1.125rem;
    line-height: 1.2;
}

.logo-sub {
    font-size: 0.625rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.nav-link:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-login {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--brand-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.btn-login:hover {
    background: var(--brand-secondary);
    transform: translateY(-2px);
}

.user-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md) var(--spacing-xs) var(--spacing-xs);
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
}

/* === HERO === */
.hero {
    position: relative;
    padding: 5rem var(--spacing-lg) 4rem;
    text-align: center;
    overflow: hidden;
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(90, 138, 110, 0.15);
    border: 1px solid rgba(90, 138, 110, 0.3);
    border-radius: var(--radius-xl);
    color: var(--success);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-lg);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.03em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary), var(--brand-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.stat-pill {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--brand-secondary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(107, 122, 153, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

/* === MAIN CONTENT === */
.games-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg) var(--spacing-2xl);
}

/* === CATEGORY FILTER === */
.category-filter {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover {
    background: var(--bg-surface);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--brand-primary);
    border-color: var(--brand-primary);
    color: var(--text-primary);
}

/* === GAMES GRID === */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.game-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: linear-gradient(145deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-base);
    cursor: pointer;
}

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

.game-card:hover {
    transform: translateY(-4px);
    border-color: rgba(234, 224, 205, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

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

.game-card.coming-soon {
    opacity: 0.5;
    cursor: not-allowed;
}

.game-card.coming-soon:hover {
    transform: none;
}

.game-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.game-info {
    flex: 1;
    min-width: 0;
}

.game-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.game-desc {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.game-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.difficulty {
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.difficulty.easy {
    background: rgba(90, 138, 110, 0.2);
    color: var(--game-easy);
}

.difficulty.medium {
    background: rgba(196, 163, 90, 0.2);
    color: var(--game-medium);
}

.difficulty.hard {
    background: rgba(166, 90, 90, 0.2);
    color: var(--game-hard);
}

.highscore {
    font-size: 0.75rem;
    color: var(--text-dim);
}

.coming-badge {
    padding: 2px 8px;
    background: rgba(107, 122, 153, 0.2);
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--brand-secondary);
}

.game-hover-effect {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(107, 122, 153, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition-fast);
    pointer-events: none;
}

.game-card:hover .game-hover-effect {
    opacity: 1;
}

/* === MORE GAMES TEASER === */
.more-games-teaser {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(107, 122, 153, 0.08), rgba(122, 107, 153, 0.05));
    border: 1px solid rgba(107, 122, 153, 0.15);
    border-radius: var(--radius-lg);
    text-align: center;
}

.teaser-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.teaser-content p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.teaser-categories {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
}

.teaser-categories span {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* === LEADERBOARDS === */
.leaderboards-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

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

.leaderboard-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.lb-tab {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.lb-tab:hover {
    background: var(--bg-surface);
}

.lb-tab.active {
    background: var(--brand-primary);
    border-color: var(--brand-primary);
    color: var(--text-primary);
}

.leaderboard-container {
    max-width: 600px;
    margin: 0 auto;
}

.leaderboard-card {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.lb-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--glass-border);
}

.lb-game-name {
    font-weight: 600;
}

.lb-period-toggle {
    display: flex;
    gap: var(--spacing-xs);
}

.period-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.period-btn:hover {
    color: var(--text-secondary);
}

.period-btn.active {
    background: var(--bg-surface);
    color: var(--text-primary);
}

.lb-content {
    padding: var(--spacing-lg);
}

.lb-empty {
    text-align: center;
    padding: var(--spacing-xl);
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

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

.lb-row {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    background: var(--bg-tertiary);
}

.lb-row.gold { background: rgba(196, 163, 90, 0.1); }
.lb-row.silver { background: rgba(192, 192, 192, 0.1); }
.lb-row.bronze { background: rgba(205, 127, 50, 0.1); }

.lb-rank {
    width: 40px;
    text-align: center;
    font-size: 1.25rem;
}

.lb-player {
    flex: 1;
    font-weight: 500;
}

.lb-score {
    font-weight: 700;
    color: var(--brand-secondary);
}

/* === FOOTER === */
.games-footer {
    border-top: 1px solid var(--glass-border);
    background: var(--bg-secondary);
}

.footer-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-logo {
    font-weight: 600;
    color: var(--text-primary);
}

.footer-divider {
    opacity: 0.3;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.875rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--text-primary);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .header-nav {
        gap: var(--spacing-xs);
    }
    
    .nav-link span {
        display: none;
    }
    
    .games-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
}

/* === GAME PAGE SHARED STYLES === */
.game-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.game-back-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: var(--transition-fast);
}

.game-back-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.game-score-display {
    display: flex;
    gap: var(--spacing-lg);
}

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

.score-label {
    font-size: 0.6875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.score-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--brand-secondary);
}

.game-canvas-wrapper {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.game-canvas {
    display: block;
    margin: 0 auto;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
}

.game-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.game-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--brand-primary);
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.game-btn:hover {
    background: var(--brand-secondary);
    transform: translateY(-2px);
}

.game-btn.secondary {
    background: var(--bg-surface);
}

.game-btn.secondary:hover {
    background: var(--bg-elevated);
}

.game-instructions {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(107, 122, 153, 0.1);
    border-radius: var(--radius-md);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.game-over-overlay {
    position: fixed;
    inset: 0;
    background: rgba(8, 9, 11, 0.9);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.game-over-overlay.active {
    opacity: 1;
    visibility: visible;
}

.game-over-content {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    max-width: 400px;
}

.game-over-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.game-over-score {
    font-size: 3rem;
    font-weight: 800;
    color: var(--brand-secondary);
    margin-bottom: var(--spacing-lg);
}

.game-over-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}