body {
    background: url('https://i.ibb.co/SK2kSQL/image.jpg') no-repeat center center fixed;
    background-size: cover;
    font-family: Arial, sans-serif;
    color: white;
}

h1 {
    text-align: center;
    margin-top: 50px;
    font-size: 3em;
}

.levels-container {
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
}

.level-card {
    background: rgba(0, 0, 0, 0.6);
    border-radius: 15px;
    margin-bottom: 20px;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.level-header {
    width: 100%;
    background: rgba(0, 0, 0, 0.8);
    border: none;
    color: white;
    padding: 20px;
    font-size: 1.5em;
    text-align: left;
    cursor: pointer;
    outline: none;
    transition: background 0.3s;
}

.level-header:hover {
    background: rgba(255, 165, 0, 0.7);
}

.level-header.active {
    background: rgba(255, 165, 0, 0.8);
}

.level-content {
    display: none;
    padding: 20px;
    background: rgba(0, 0, 0, 0.5);
}

.block-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 10px;
    margin-bottom: 20px;
}

.block-icons div {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 1em;
}

.block-icons img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}