/* =========================================================
   galeria.css — página /galeria/
   Extraído del bloque <style> inline de galeria/index.html (SPEC-002).
   ========================================================= */

.gallery-masonry {
    column-count: 3;
    column-gap: 20px;
    width: 100%;
}

.gallery-item {
    display: inline-block;
    width: 100%;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    break-inside: avoid;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item img {
    width: 100%;
    display: block;
    height: auto;
    transition: transform 0.5s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: var(--color-accent);
}

.gallery-item:hover img {
    transform: scale(1.03);
}

/* ---------- Lightbox ---------- */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 3000;
    padding: 20px;
    backdrop-filter: blur(10px);
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 95%;
    max-height: 90vh;
    border-radius: var(--radius-sm);
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    color: #fff;
    font-size: 2.5rem;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.lightbox-close:hover {
    background: var(--color-accent);
    color: #000;
}

/* ---------- Video grid ---------- */
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.video-item {
    position: relative;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    border-radius: var(--radius-md);
    background: #000;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-1);
    cursor: pointer;
}

.video-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.video-play-btn i {
    color: #fff;
    font-size: 24px;
    margin-left: 5px;
}

.video-item:hover .video-play-btn {
    background: rgba(255, 255, 255, 0.25);
    transform: translate(-50%, -50%) scale(1.1);
}

.video-item.playing .video-play-btn {
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, -50%) scale(0.8);
}

/* ---------- Paginación ---------- */
.pagination-container {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 60px;
    flex-wrap: wrap;
}

.pagination-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    color: #fff;
    width: 45px;
    height: 45px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-weight: 700;
    transition: all 0.3s ease;
    font-family: var(--font-heading);
}

.pagination-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.pagination-btn.active {
    background: var(--color-accent);
    color: #000;
    border-color: var(--color-accent);
    box-shadow: 0 0 15px rgba(250, 204, 21, 0.3);
}

.pagination-btn.disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
    .gallery-masonry {
        column-count: 2;
        column-gap: 15px;
    }
    .gallery-item {
        margin-bottom: 15px;
    }
}

@media (max-width: 768px) {
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    .video-item {
        aspect-ratio: 4 / 5;
    }
}

@media (max-width: 576px) {
    .gallery-masonry {
        column-count: 1;
    }
    .video-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .video-item {
        aspect-ratio: 4 / 5;
        max-width: 400px;
        margin-inline: auto;
    }
    .video-play-btn {
        width: 60px;
        height: 60px;
    }
    .video-play-btn i {
        font-size: 18px;
    }
}