/* =====================================================
   CYBERPUNK SNAKE - ULTIMATE EDITION
   ===================================================== */
@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=Rajdhani:wght@500;700&display=swap');

:root {
    --neon-green: #0f0;
    --neon-blue: #00f3ff;
    --neon-pink: #ff00ff;
    --neon-red: #ff003c;
    --dark-bg: #050505;
    --grid-line: rgba(0, 243, 255, 0.1);
    --glass-bg: rgba(10, 10, 10, 0.8);
    --glass-border: rgba(0, 243, 255, 0.3);
    
    --shadow-glow: 0 0 10px var(--neon-green), 0 0 20px var(--neon-green), 0 0 40px var(--neon-green);
    --text-glow: 0 0 5px var(--neon-blue), 0 0 10px var(--neon-blue);
}

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

body {
    font-family: 'Rajdhani', sans-serif;
    background-color: var(--dark-bg);
    background-image: 
        linear-gradient(0deg, transparent 24%, var(--grid-line) 25%, var(--grid-line) 26%, transparent 27%, transparent 74%, var(--grid-line) 75%, var(--grid-line) 76%, transparent 77%, transparent),
        linear-gradient(90deg, transparent 24%, var(--grid-line) 25%, var(--grid-line) 26%, transparent 27%, transparent 74%, var(--grid-line) 75%, var(--grid-line) 76%, transparent 77%, transparent);
    background-size: 50px 50px;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    overflow: hidden;
    perspective: 1000px;
}

/* CRT Scanline Effect */
body::after {
    content: " ";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
    z-index: 2;
    background-size: 100% 2px, 3px 100%;
    pointer-events: none;
}

.game-container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    transform-style: preserve-3d;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotateX(0); }
    50% { transform: translateY(-10px) rotateX(2deg); }
}

/* =====================================================
   Menu Styles
   ===================================================== */
.menu {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 3rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 0 30px rgba(0, 243, 255, 0.1);
    max-width: 500px;
    width: 90vw;
}

.menu h1 {
    font-family: 'Press Start 2P', cursive;
    font-size: 2.5rem;
    color: var(--neon-green);
    text-shadow: var(--shadow-glow);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.subtitle {
    color: var(--neon-blue);
    font-size: 1.2rem;
    letter-spacing: 4px;
    margin-bottom: 3rem;
    text-transform: uppercase;
    text-shadow: 0 0 5px var(--neon-blue);
}

.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.menu-btn {
    background: transparent;
    border: 2px solid var(--neon-blue);
    color: var(--neon-blue);
    padding: 1rem 2rem;
    font-family: 'Press Start 2P', cursive;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
}

.menu-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--neon-blue);
    transition: all 0.3s;
    z-index: -1;
}

.menu-btn:hover {
    color: #000;
    box-shadow: 0 0 20px var(--neon-blue);
}

.menu-btn:hover::before {
    left: 0;
}

/* =====================================================
   Game Board
   ===================================================== */
#gameBoard {
    border: 4px solid var(--neon-blue);
    background: rgba(0, 0, 0, 0.8);
    box-shadow: 0 0 20px var(--neon-blue), inset 0 0 20px rgba(0, 243, 255, 0.2);
    display: none; /* Hidden by default */
}

/* Snake & Food (Applied via JS usually, but defining classes here) */
.snake-body {
    background: var(--neon-green);
    box-shadow: 0 0 10px var(--neon-green);
    border-radius: 2px;
}

.food {
    background: var(--neon-red);
    box-shadow: 0 0 15px var(--neon-red);
    border-radius: 50%;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.8; }
}

/* =====================================================
   Score Panel
   ===================================================== */
.score-panel {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 400px;
    margin-bottom: 1rem;
    font-family: 'Press Start 2P', cursive;
    font-size: 0.8rem;
    color: #fff;
}

.score-box {
    background: rgba(0, 243, 255, 0.1);
    border: 1px solid var(--neon-blue);
    padding: 10px 20px;
    border-radius: 4px;
}

/* =====================================================
   Controls Info
   ===================================================== */
.controls-info {
    margin-top: 2rem;
    border-top: 1px solid var(--glass-border);
    padding-top: 1rem;
}

.control-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    text-align: left;
    font-size: 0.9rem;
    color: #aaa;
}

.key {
    display: inline-block;
    background: #333;
    padding: 2px 6px;
    border-radius: 4px;
    border-bottom: 2px solid #111;
    color: #fff;
    font-family: monospace;
    margin-right: 5px;
}

/* =====================================================
   Mobile Controls
   ===================================================== */
.mobile-controls {
    display: none;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 20px;
}

@media (max-width: 768px) {
    .mobile-controls {
        display: grid;
    }
    
    .menu {
        padding: 1.5rem;
    }
    
    .menu h1 {
        font-size: 1.8rem;
    }
}

.d-pad-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--neon-blue);
    color: var(--neon-blue);
    padding: 15px;
    border-radius: 8px;
    font-size: 1.5rem;
    touch-action: manipulation;
}

.d-pad-btn:active {
    background: var(--neon-blue);
    color: #000;
}




    padding: 40px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.5s ease;
    width: 100%;
}

.menu h1 {
    font-size: 4rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: wiggle 2s ease-in-out infinite;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.menu-btn {
    padding: 20px;
    font-size: 1.2rem;
    font-weight: 600;
    border: none;
    border-radius: 15px;
    background: var(--primary-color);
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.menu-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

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

/* Controls Info */
.controls-info {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
}

.controls-info h3 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--text-secondary);
}

.control-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.control-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.key {
    background: var(--border-color);
    padding: 8px 15px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.85rem;
}