styles.css

body {
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: #2c3e50;
    font-family: Arial, sans-serif;
    overflow: hidden;
}

#gameContainer {
    position: relative;
}

canvas {
    display: block;
    background: #ecf0f1;
    border: 2px solid #34495e;
}

#messageBox {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}

#messageContent {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hidden {
    display: none;
}

button {
    margin-top: 20px;
    padding: 10px 20px;
    border: none;
    background: #3498db;
    color: white;
    font-size: 16px;
    cursor: pointer;
    border-radius: 5px;
    transition: background 0.3s;
}

button:hover {
    background: #2980b9;
}

@keyframes bgAnimation {
    0% { background-position: 0 0; }
    100% { background-position: 100% 100%; }
}

body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(255, 0, 0, 0.5), rgba(0, 255, 0, 0.5), rgba(0, 0, 255, 0.5));
    background-size: 400% 400%;
    animation: bgAnimation 10s linear infinite;
    z-index: -1;
}