body {
    margin: 0;
    font-family: 'Orbitron', sans-serif; /* Font futuristik, bisa diganti jika tidak tersedia */
    background-color: #0a0a1e; /* Dark blue/purple background */
    color: #00ffcc; /* Neon cyan text */
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: hidden; /* Mencegah scrollbar jika konten sedikit lebih besar */
    font-size: 16px;
}

.container {
    text-align: center;
    background-color: rgba(10, 25, 47, 0.8); /* Slightly transparent dark blue */
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 0 25px rgba(0, 255, 204, 0.5); /* Neon cyan glow */
    border: 2px solid #00ffcc;
}

header {
    margin-bottom: 15px;
}

h1 {
    font-size: 2.5em;
    color: #ff00ff; /* Neon pink */
    text-shadow: 0 0 10px #ff00ff, 0 0 20px #ff00ff;
    margin-bottom: 10px;
}

.score-container, .high-score-container {
    font-size: 1.2em;
    margin-bottom: 5px;
}

#score, #highScore {
    color: #ffff00; /* Neon yellow */
    font-weight: bold;
}

canvas {
    background-color: #000510; /* Very dark blue, almost black for contrast */
    border: 3px solid #00ffff; /* Bright cyan border */
    box-shadow: 0 0 15px #00ffff;
    display: block; /* Mencegah spasi ekstra di bawah canvas */
    margin: 0 auto; /* Pusatkan canvas */
}

.game-over-screen, .start-screen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 10, 20, 0.95);
    padding: 30px 40px;
    border-radius: 10px;
    border: 2px solid #ff00ff;
    box-shadow: 0 0 20px #ff00ff;
    text-align: center;
    z-index: 10;
}

.game-over-screen h2, .start-screen h2 {
    color: #ff00ff;
    font-size: 2em;
    margin-bottom: 15px;
}

.game-over-screen p, .start-screen p {
    color: #00ffcc;
    font-size: 1.1em;
    margin-bottom: 10px;
    line-height: 1.6;
}

.start-screen p {
    max-width: 400px; /* Agar teks tidak terlalu lebar */
    margin-left: auto;
    margin-right: auto;
}

button {
    background-color: #ff00ff; /* Neon pink */
    color: #0a0a1e; /* Dark background color for text contrast */
    border: none;
    padding: 12px 25px;
    font-size: 1.2em;
    font-family: 'Orbitron', sans-serif;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s, box-shadow 0.3s;
    text-transform: uppercase;
    margin-top: 15px;
}

button:hover {
    background-color: #00ffcc; /* Neon cyan on hover */
    box-shadow: 0 0 15px #00ffcc;
}

.hidden {
    display: none;
}

/* Untuk font Orbitron jika ingin di-host sendiri atau dari Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700&display=swap');