body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.video-card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.2s;
    overflow: hidden;
}
.video-card:hover {
    transform: translateY(-5px);
}
.video-preview {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background: #000;
}
.video-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: #333;
    padding: 10px;
    text-align: center;
    word-wrap: break-word;
}
/* BOTÓN VOLVER */
.boton-volver {
    position: fixed;
    top: 5%;
    left: 5%;
    background: #2d89ef;
    color: white;
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: bold;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
    transition: 0.2s;
    z-index: 999;
}

.boton-volver:hover {
    background: #ff4c79;
    transform: scale(1.05);
}