/* RESET & BASE STYLES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Orbitron', sans-serif;
    user-select: none;
}

:root {
    --neon-pink: #ff00ff;
    --neon-cyan: #00ffff;
    --dark-bg: #050510;
    --grid-color: rgba(0, 255, 255, 0.1);
}

body {
    background-color: var(--dark-bg);
    color: white;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

/* CYBER GRID BACKGROUND */
.cyber-grid {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: 
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 1;
    transform: perspective(500px) rotateX(60deg) translateY(-100px) translateZ(-200px);
    animation: gridMove 20s linear infinite;
    opacity: 0.3;
}

@keyframes gridMove {
    0% { background-position: 0 0; }
    100% { background-position: 0 1000px; }
}

/* GAME CONTAINER */
#game-container {
    position: relative;
    width: 1000px;
    height: 600px;
    background: rgba(5, 5, 15, 0.8);
    border: 2px solid var(--neon-cyan);
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3),
                inset 0 0 30px rgba(0, 255, 255, 0.1);
    z-index: 10;
    overflow: hidden;
}

/* SCORE BOARD */
#score-board {
    position: absolute;
    top: 20px;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 150px;
    z-index: 20;
    pointer-events: none;
}

.score-box {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.score-box .label {
    font-size: 14px;
    letter-spacing: 4px;
    color: var(--neon-cyan);
    text-shadow: 0 0 5px var(--neon-cyan);
    margin-bottom: 5px;
}

.score-box span:nth-child(2) {
    font-size: 60px;
    font-weight: 900;
    color: white;
    text-shadow: 0 0 10px var(--neon-pink), 0 0 20px var(--neon-pink);
}

.score-divider {
    font-size: 24px;
    font-weight: 700;
    color: #555;
    letter-spacing: 2px;
}

/* CANVAS */
canvas {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 15;
}

/* UI OVERLAYS (MENUS) */
.overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 30;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(5px);
}

.overlay.visible {
    opacity: 1;
    pointer-events: all;
}

h1 {
    font-size: 70px;
    font-weight: 900;
    margin-bottom: 20px;
    letter-spacing: 5px;
    text-shadow: 0 0 20px var(--neon-cyan);
}

h1 .accent {
    color: var(--neon-pink);
    text-shadow: 0 0 20px var(--neon-pink);
}

p {
    font-size: 18px;
    color: #aaa;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

button {
    margin-top: 40px;
    padding: 15px 40px;
    font-size: 20px;
    font-weight: 700;
    font-family: 'Orbitron', sans-serif;
    color: var(--neon-cyan);
    background: transparent;
    border: 2px solid var(--neon-cyan);
    border-radius: 5px;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.2), inset 0 0 10px rgba(0, 255, 255, 0.2);
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 3px;
}

button:hover {
    background: var(--neon-cyan);
    color: var(--dark-bg);
    box-shadow: 0 0 30px var(--neon-cyan);
    transform: scale(1.05);
}

button:active {
    transform: scale(0.95);
}