body {
    margin: 0;
    padding: 0;
    background-color: #0b0c10;
    color: #66fcf1;
    font-family: 'Orbitron', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.game-container {
    text-align: center;
    position: relative;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 0 10px;
}

h1 {
    margin: 0;
    font-size: 2rem;
    text-shadow: 0 0 10px #66fcf1, 0 0 20px #66fcf1;
}

.score-board {
    font-size: 1.5rem;
    font-weight: bold;
    text-shadow: 0 0 5px #45a29e;
}

canvas {
    background-color: #1f2833;
    border: 2px solid #66fcf1;
    border-radius: 10px;
    box-shadow: 0 0 15px #66fcf1, inset 0 0 15px #1f2833;
    display: block;
    margin: 0 auto;
}

.controls-hint {
    margin-top: 15px;
    color: #c5c6c7;
    font-size: 0.9rem;
}

#gameOver {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(11, 12, 16, 0.9);
    padding: 30px;
    border: 2px solid #ed1c24;
    border-radius: 15px;
    box-shadow: 0 0 20px #ed1c24;
    text-align: center;
}

#gameOver.hidden {
    display: none;
}

#gameOver h2 {
    color: #ed1c24;
    text-shadow: 0 0 10px #ed1c24;
    font-size: 2.5rem;
    margin-top: 0;
}

button {
    background-color: transparent;
    color: #66fcf1;
    border: 2px solid #66fcf1;
    padding: 10px 20px;
    font-size: 1.2rem;
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    border-radius: 5px;
    transition: all 0.3s ease;
    margin-top: 15px;
}

button:hover {
    background-color: #66fcf1;
    color: #0b0c10;
    box-shadow: 0 0 15px #66fcf1;
}