/* ==========================================================================
   ARCADE MATRIX - Global Design System & Styles
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;800;900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette */
    --bg-dark: #0a0a12;
    --bg-card: rgba(18, 18, 32, 0.65);
    --bg-card-hover: rgba(28, 28, 52, 0.85);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(0, 240, 255, 0.4);
    
    --primary: #00f0ff;
    --primary-glow: rgba(0, 240, 255, 0.35);
    --secondary: #ff007f;
    --secondary-glow: rgba(255, 0, 127, 0.35);
    --accent: #7000ff;
    --accent-glow: rgba(112, 0, 255, 0.35);
    --gold: #ffb700;
    
    --text-main: #f0f4f8;
    --text-muted: #8a94a6;
    --text-dark: #0a0a12;
    
    /* Fonts */
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    /* Effects */
    --backdrop-blur: blur(16px);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-glow: 0 0 30px rgba(0, 240, 255, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
    position: relative;
}

/* Dynamic Animated Background Mesh */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: 
        radial-gradient(circle at 15% 20%, rgba(112, 0, 255, 0.15) 0%, transparent 45%),
        radial-gradient(circle at 85% 60%, rgba(0, 240, 255, 0.12) 0%, transparent 45%),
        radial-gradient(circle at 50% 85%, rgba(255, 0, 127, 0.1) 0%, transparent 50%);
    z-index: -2;
    pointer-events: none;
}

/* Grid Pattern Overlay */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    pointer-events: none;
}

/* Header & Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 18, 0.75);
    backdrop-filter: var(--backdrop-blur);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.brand-icon {
    font-size: 1.8rem;
    filter: drop-shadow(0 0 10px var(--primary));
    animation: pulseIcon 3s infinite alternate;
}

@keyframes pulseIcon {
    0% { transform: scale(1); filter: drop-shadow(0 0 8px var(--primary)); }
    100% { transform: scale(1.1); filter: drop-shadow(0 0 16px var(--secondary)); }
}

.brand-name {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.4rem;
    letter-spacing: 2px;
    background: linear-gradient(90deg, #ffffff, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sound-toggle-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.sound-toggle-btn:hover {
    border-color: var(--primary);
    background: rgba(0, 240, 255, 0.1);
    box-shadow: 0 0 15px var(--primary-glow);
}

/* Layout Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 3rem 1rem 4rem;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1.2rem;
    border-radius: var(--radius-full);
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.25);
    color: var(--primary);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    letter-spacing: 1.5px;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 1.2rem;
    letter-spacing: -0.5px;
}

.hero-title span {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto 2.5rem;
}

/* Stats Counter Box */
.stats-banner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-card);
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
}

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

.stat-val {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-lbl {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Filter & Controls Bar */
.controls-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    background: var(--bg-card);
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
}

.category-filters {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.2rem;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 0.5rem 1.2rem;
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.filter-btn:hover {
    color: var(--text-main);
    border-color: rgba(255, 255, 255, 0.2);
}

.filter-btn.active {
    background: var(--primary);
    color: var(--text-dark);
    border-color: var(--primary);
    font-weight: 700;
    box-shadow: 0 0 15px var(--primary-glow);
}

.search-box {
    position: relative;
    min-width: 250px;
    flex-grow: 1;
    max-width: 350px;
}

.search-input {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    padding: 0.6rem 1rem 0.6rem 2.6rem;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

/* Games Grid */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

/* Game Card */
.game-card {
    background: var(--bg-card);
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--border-color);
    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(--border-hover);
    box-shadow: var(--shadow-glow);
    background: var(--bg-card-hover);
}

/* Card Header / Banner */
.card-banner {
    height: 160px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.card-banner-bg {
    position: absolute;
    inset: 0;
    opacity: 0.85;
    transition: var(--transition);
}

.game-card:hover .card-banner-bg {
    transform: scale(1.05);
    opacity: 1;
}

.card-icon {
    font-size: 4rem;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.5));
    transition: var(--transition);
}

.game-card:hover .card-icon {
    transform: scale(1.15) rotate(-5deg);
}

.card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 3;
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 700;
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    letter-spacing: 1px;
}

/* Card Body */
.card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-category {
    font-size: 0.75rem;
    font-family: var(--font-heading);
    color: var(--primary);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    color: var(--text-main);
}

.card-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1.2rem;
    line-height: 1.5;
    flex-grow: 1;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.2rem;
}

.tag {
    font-size: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.highscore-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.highscore-value {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--gold);
}

/* Buttons */
.btn-play {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #ffffff;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.7rem 1.4rem;
    border-radius: var(--radius-full);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 240, 255, 0.3);
}

.btn-play:hover {
    transform: scale(1.04);
    box-shadow: 0 6px 20px rgba(0, 240, 255, 0.5);
}

.btn-disabled {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    cursor: not-allowed;
    box-shadow: none;
}

.btn-disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Section Header */
.section-header {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: 1px;
}

/* Footer */
.footer {
    margin-top: 5rem;
    border-top: 1px solid var(--border-color);
    background: rgba(10, 10, 18, 0.9);
    padding: 2.5rem 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

/* Empty State */
.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 1rem;
    color: var(--text-muted);
}

.no-results-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
    }
    
    .hero {
        padding: 2rem 0.5rem 2.5rem;
    }
    
    .controls-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        max-width: 100%;
    }
}