body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
    font-family: 'Arial', sans-serif;
    color: #333;
    margin: 0;
    text-align: center;
}

#game-arena {
    width: 600px;
    height: 600px;
    background-color: #2e2e2e;
    position: relative;
    border: 5px solid #4a4a4a;
    margin-bottom: 20px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

#score-board {
    font-size: 2rem;
    font-weight: bold;
    color: #444;
    margin: 20px 0;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.start-button {
    background-color: #ff5722;
    color: white;
    padding: 15px 40px;
    text-align: center;
    text-decoration: none;
    font-size: 20px;
    font-weight: 600;
    margin: 10px 0;
    cursor: pointer;
    border: none;
    border-radius: 10px;
    box-shadow: 0 8px 15px rgba(255, 87, 34, 0.3);
    transition: all 0.3s ease;
}

.start-button:hover {
    background-color: #e64a19;
    box-shadow: 0 12px 24px rgba(255, 87, 34, 0.5);
    transform: translateY(-3px);
}

.food {
    width: 20px;
    height: 20px;
    background-color: #ff3e3e;
    position: absolute;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(255, 62, 62, 0.7);
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

.snake {
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #00c853, #b2ff59);
    position: absolute;
    border-radius: 5px;
    box-shadow: 0 4px 10px rgba(0, 200, 83, 0.5);
    transition: all 0.2s ease;
}

.snake:hover {
    transform: scale(1.1);
}