/* Estilos básicos */
.categories {
    text-align: center;
    margin: 20px 0;
}
.category-btn {
    padding: 8px 15px;
    margin: 0 5px;
    background: #f0f0f0;
    border: none;
    border-radius: 15px;
    cursor: pointer;
}
.category-btn.active {
    background: #ff6b6b;
    color: white;
}
.videos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    padding: 10px;
}
.video {
    border-radius: 8px;
    overflow: hidden;
}
.video iframe {
    width: 100%;
    height: 200px;
    border: none;
}
.video-title {
    text-align: center;
    padding: 10px;
    font-size: 16px;
}