body {
    background-color: #0f380f; /* Vert sapin foncé */
    color: white;
    font-family: 'Arial', sans-serif;
    text-align: center;
    margin: 0;
    overflow: hidden;
    background-image: radial-gradient(circle, #ffffff 1px, transparent 1px);
    background-size: 50px 50px; /* Effet neige statique */
}

.game-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

canvas {
    background: linear-gradient(to bottom, #001d3d, #4f7cac); /* Ciel d'hiver */
    border: 5px solid #c0392b; /* Rouge Noël */
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
    cursor: none; /* Cache la souris sur le jeu */
}

.hidden { display: none; }

#gameOverScreen, #startScreen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.9);
    padding: 20px;
    border-radius: 10px;
    border: 2px solid #f1c40f; /* Doré */
    width: 80%;
}

button {
    background-color: #c0392b;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 1.2rem;
    cursor: pointer;
    border-radius: 5px;
    margin: 10px;
}

button:hover { background-color: #e74c3c; }

input {
    padding: 10px;
    border-radius: 5px;
    border: none;
}

ul { list-style: none; padding: 0; }
li { margin: 5px 0; border-bottom: 1px dashed #555; }