.prt-gallery-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-bottom: 2.5rem;
}

.prt-filter-btn {
    padding: 0.55rem 1.25rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
    color: var(--muted);
    font-family: 'Outfit', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
}

.prt-filter-btn:hover {
    border-color: rgba(244, 63, 94, 0.45);
    color: #fff;
    transform: translateY(-1px);
}

.prt-filter-btn.active {
    background: var(--primary-gradient);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 8px 20px -6px rgba(244, 63, 94, 0.55);
}

.prt-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.5rem;
}

.prt-gallery-item {
    position: relative;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.prt-gallery-item:hover {
    transform: translateY(-4px);
    border-color: rgba(244, 63, 94, 0.35);
    box-shadow: var(--shadow-lg);
}

.prt-gallery-item-frame {
    position: relative;
    aspect-ratio: 4 / 3;
    background: linear-gradient(155deg, #ffffff 0%, #eef0f4 100%);
    overflow: hidden;
}

.prt-gallery-item img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 1.1rem;
    display: block;
    transition: transform 0.35s ease;
}

.prt-gallery-item:hover img {
    transform: scale(1.06);
}

.prt-gallery-item-tag {
    position: absolute;
    top: 0.6rem;
    left: 0.6rem;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    background: rgba(5, 6, 10, 0.75);
    backdrop-filter: blur(4px);
    color: #fda4af;
    font-family: 'Outfit', sans-serif;
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    white-space: nowrap;
    max-width: calc(100% - 1.2rem);
    overflow: hidden;
    text-overflow: ellipsis;
}

.prt-gallery-item p {
    margin: 0;
    padding: 0.85rem 1rem;
    font-family: 'Outfit', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    text-align: center;
    border-top: 1px solid var(--border);
}

.prt-gallery-item.prt-gallery-item-hidden {
    display: none;
}

/* Lightbox */
.prt-lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: rgba(2, 3, 6, 0.9);
    backdrop-filter: blur(6px);
}

.prt-lightbox.open {
    display: flex;
}

.prt-lightbox-inner {
    position: relative;
    max-width: min(900px, 100%);
    max-height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.prt-lightbox-inner img {
    max-width: 100%;
    max-height: 72vh;
    border-radius: var(--radius-md);
    background: #fff;
    padding: 1.25rem;
    object-fit: contain;
}

.prt-lightbox-caption {
    color: var(--text);
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
}

.prt-lightbox-close {
    position: absolute;
    top: -0.5rem;
    right: -0.5rem;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--card);
    color: #fff;
    font-size: 1.1rem;
    line-height: 1;
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.prt-lightbox-close:hover {
    background: var(--primary);
    border-color: var(--primary);
}

@media (max-width: 640px) {
    .prt-gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1rem;
    }
}