body {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    background-color: #0d0d0d;
    color: #fff;
    text-align: center;
}

header {
    background: linear-gradient(90deg, #00f0ff, #ff00f0);
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5);
}

header h1 {
    margin: 0;
    font-size: 2.5em;
    color: #fff;
    text-shadow: 2px 2px 5px #000;
}

header p {
    margin: 5px 0 0 0;
    font-size: 1.2em;
    color: #fffa;
}

main {
    margin-top: 20px;
}

#gameCanvas {
    background-color: #111;
    border: 3px solid #0ff;
    box-shadow: 0 0 20px #0ff;
    display: block;
    margin: 20px auto;
}

button {
    background-color: #0ff;
    border: none;
    padding: 10px 20px;
    margin: 5px;
    font-size: 1.2em;
    cursor: pointer;
    border-radius: 10px;
    transition: all 0.2s ease;
}

button:hover {
    background-color: #ff0;
    color: #000;
}

#shop {
    margin-top: 20px;
}

#skinsContainer {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 10px;
}

.skin {
    width: 100px;
    height: 100px;
    background-color: #222;
    border: 2px solid #0ff;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.skin:hover {
    transform: scale(1.1);
    border-color: #ff0;
}