:root {
    --bg-color: #050510;
    --neon-green: #39ff14;
    --neon-blue: #00ffff;
    --neon-pink: #ff00ff;
    --neon-yellow: #ffff00;
    --text-color: #ffffff;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Orbitron', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

.game-container {
    position: relative;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
    border: 2px solid var(--neon-blue);
    border-radius: 10px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.8);
}

.ui-panel {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 1.2rem;
    text-shadow: 0 0 10px var(--neon-blue);
}

canvas {
    background-color: #000;
    border: 1px solid #333;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
    display: block;
}

.overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    background: rgba(0, 0, 0, 0.9);
    padding: 40px;
    border: 2px solid var(--neon-pink);
    border-radius: 15px;
    box-shadow: 0 0 30px var(--neon-pink);
    z-index: 10;
}

.hidden {
    display: none;
}

h1 {
    font-size: 3rem;
    margin: 0 0 20px 0;
    color: var(--neon-pink);
    text-shadow: 0 0 10px var(--neon-pink), 0 0 20px var(--neon-pink);
}

p {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

button {
    background: transparent;
    color: var(--neon-green);
    border: 2px solid var(--neon-green);
    padding: 10px 30px;
    font-size: 1.2rem;
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    text-shadow: 0 0 5px var(--neon-green);
    box-shadow: 0 0 10px var(--neon-green) inset;
}

button:hover {
    background: var(--neon-green);
    color: #000;
    box-shadow: 0 0 20px var(--neon-green);
}