body {
    margin: 0;
    overflow: hidden;
    background-color: #86b3dc;
    color: #d0e0d0;
    font-family: 'Courier New', Courier, monospace;
}

#gameCanvas {
    display: block;
}

/* NOUVEAU : Centrage du conteneur de fin */
#end-screen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 1000; /* S'assure qu'il est au-dessus du canvas noir */
}

/* VOTRE CODE FOURNI */
.next-button {
    display: inline-block;
    margin-top: 30px;
    padding: 12px 30px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    text-decoration: none;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 1.1rem;
    backdrop-filter: blur(5px);
    font-family: "Oranienbaum", serif;
    cursor: pointer;
    
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.next-button::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 0; 
    height: 100%;
    background: white;
    z-index: -1; 
    transition: width 0.4s ease-in-out;
}

.next-button:hover {
    color: black; 
    border-color: white;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.4);
}

.next-button:hover::before {
    width: 100%; 
}