/* ==========================================================================
   NEXUS ARCADE - MODERN GLASSMORPHIC GAMING STYLESHEET
   ========================================================================== */

:root {
    /* Color Palette - Dark Mode Default */
    --bg-primary: #0b0e14;
    --bg-secondary: #141824;
    --bg-glass: rgba(20, 24, 36, 0.7);
    --bg-glass-hover: rgba(30, 36, 54, 0.85);
    --border-glass: rgba(255, 255, 255, 0.08);
    
    --text-main: #f0f3f8;
    --text-muted: #94a3b8;
    
    --accent-primary: #6366f1;
    --accent-glow: #818cf8;
    --accent-neon: #06b6d4;
    --accent-pink: #ec4899;
    --accent-gold: #f59e0b;
    
    --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --neon-glow: 0 0 20px rgba(99, 102, 241, 0.4);
    
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Mode Overrides */
[data-theme="light"] {
    --bg-primary: #f1f5f9;
    --bg-secondary: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.75);
    --bg-glass-hover: rgba(255, 255, 255, 0.95);
    --border-glass: rgba(0, 0, 0, 0.08);
    --text-main: #0f172a;
    --text-muted: #64748b;
    --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
}

/* Base Rules */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
    transition: background-color 0.3s ease, color 0.3s ease;
}

#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
    opacity: 0.6;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & Search */
.main-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-glass);
    padding: 0.85rem 0;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.5px;
}

.logo-icon { font-size: 1.6rem; }
.logo .highlight { color: var(--accent-neon); }

.search-bar {
    position: relative;
    flex: 1;
    max-width: 480px;
}

.search-bar input {
    width: 100%;
    padding: 0.65rem 2.5rem 0.65rem 2.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

.search-bar input:focus {
    border-color: var(--accent-primary);
    box-shadow: var(--neon-glow);
}

.search-icon {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.6;
}

.clear-btn {
    position: absolute;
    right: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
}

/* Buttons & Interactive Elements */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-neon));
    color: #ffffff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--neon-glow);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-main);
    border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
    background: var(--bg-glass-hover);
    border-color: var(--accent-primary);
}

.btn-icon {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    color: var(--text-main);
    padding: 0.6rem;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
}

.btn-icon:hover {
    transform: rotate(15deg);
}

/* Hero Section */
.hero-section {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 2rem;
    margin: 2rem 0;
    padding: 2.5rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(6, 182, 212, 0.1));
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    align-items: center;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin: 0.75rem 0;
    background: linear-gradient(to right, var(--text-main), var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.badge-neon {
    background: rgba(6, 182, 212, 0.15);
    color: var(--accent-neon);
    border: 1px solid rgba(6, 182, 212, 0.3);
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}

/* Category Filter Bar */
.categories-wrapper {
    margin: 1.5rem 0;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.scroll-container {
    display: flex;
    gap: 0.75rem;
}

.cat-pill {
    padding: 0.6rem 1.2rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 30px;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
}

.cat-pill:hover, .cat-pill.active {
    background: var(--accent-primary);
    color: #ffffff;
    border-color: var(--accent-primary);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

/* Filter Controls */
.filter-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--bg-glass);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-glass);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.custom-select {
    background: var(--bg-secondary);
    color: var(--text-main);
    border: 1px solid var(--border-glass);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    outline: none;
    cursor: pointer;
}

/* Games Grid */
.portal-section { margin-bottom: 3rem; }

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.game-count-badge {
    background: var(--bg-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem;
}

/* Game Card */
.game-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    position: relative;
}

.game-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent-glow);
    box-shadow: var(--card-shadow);
}

.card-thumb {
    position: relative;
    height: 160px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-thumb-placeholder {
    font-size: 4rem;
    filter: drop-shadow(0 4px 10px rgba(0,0,0,0.5));
}

.fav-btn {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    border: none;
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.fav-btn.active, .fav-btn:hover {
    background: var(--accent-pink);
}

.card-body {
    padding: 1.2rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    font-weight: 700;
}

.card-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}

.card-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    flex: 1;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}

.rating {
    color: var(--accent-gold);
    font-weight: 700;
    font-size: 0.85rem;
}

/* Stats Banner Widget */
.stats-banner {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 2rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    margin: 3rem 0;
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-neon);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-glass);
}

/* Footer */
.main-footer {
    border-top: 1px solid var(--border-glass);
    padding: 2rem 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Responsive Media Queries */
@media (max-width: 868px) {
    .hero-section {
        grid-template-columns: 1fr;
    }
    .hero-card-preview { display: none; }
    .desktop-only { display: none; }
}