* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
}

.game-container {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    text-align: center;
}

.game-header {
    margin-bottom: 20px;
}

.game-header h1 {
    font-size: 2.5em;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.score-board {
    display: flex;
    justify-content: space-around;
    font-size: 1.2em;
    font-weight: bold;
}

#gameCanvas {
    border: 3px solid #fff;
    border-radius: 10px;
    background: #000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    margin: 20px 0;
}

.game-controls {
    margin: 20px 0;
}

button {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    border: none;
    padding: 12px 24px;
    margin: 0 10px;
    border-radius: 25px;
    font-size: 1em;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

button:active {
    transform: translateY(0);
}

button:disabled {
    background: #666;
    cursor: not-allowed;
    transform: none;
}

.instructions {
    margin-top: 20px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.instructions h3 {
    margin-bottom: 10px;
    color: #ffd700;
}

.instructions p {
    margin: 5px 0;
    font-size: 0.9em;
}

/* Animation pour les boutons */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

button:not(:disabled) {
    animation: pulse 2s infinite;
}

/* Responsive design */
@media (max-width: 900px) {
    .game-container {
        padding: 20px;
        margin: 10px;
    }
    
    #gameCanvas {
        width: 100%;
        max-width: 600px;
        height: auto;
    }
    
    .game-header h1 {
        font-size: 2em;
    }
    
    .score-board {
        flex-direction: column;
        gap: 10px;
    }
}