:root {
    --primary-gold: #c49a3e;
    --primary-gold-hover: #b08a2b;
    --bg-cream: #fffbf0;
    --bg-white: #ffffff;
    --bg-filter-gray: #e4e4e4;
    --bg-filter-active: #b3b3b3;
    --text-dark: #1f2937;
    --text-gray: #666666;
    --text-white: #ffffff;
    --radius-lg: 16px;
    --radius-sm: 8px;
    --container-width: 1280px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-white);
    color: var(--text-dark);
    line-height: 1.5;
    overflow-x: hidden;
}

a {
    text-decoration: none;
}

ul {
    list-style: none;
}

img {
    display: block;
    max-width: 100%;
}

.top-nav {
    background-color: var(--bg-white);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}


.hero-section {
    background: linear-gradient(rgba(0,0,0,0.45), rgba(0,0,0,0.45)),
                url('images/gallery.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;

    padding: 160px 20px 70px 20px;
    text-align: center;
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: #fff;
}

.hero-content h1 i {
    color: var(--primary-gold);
}

.hero-content p {
    color: rgba(255,255,255,0.9);
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

.main-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 40px 20px 30px;
    display: grid;
    grid-template-columns: 270px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
    height: calc(100vh - 90px);
    overflow: hidden;
}

.sidebar {
    position: sticky;
    top: 90px;
    align-self: start;
    height: calc(100vh - 130px);
    min-height: 0;
}

.filter-card {
    background-color: var(--bg-white);
    border: 1px solid #eee;
    border-radius: var(--radius-lg);
    padding: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    height: 100%;
    overflow-y: auto;
}

.filter-card ul {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.filter-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background-color: var(--bg-filter-gray);
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-item:hover:not(.active) {
    background-color: #d7d7d7;
}

.filter-item.active {
    background-color: var(--bg-filter-active);
    color: var(--text-white);
}

.filter-item a {
    text-decoration: none;
    color: inherit;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    gap: 10px;
}

.count {
    font-size: 0.9rem;
    opacity: 0.85;
    white-space: nowrap;
}

.gallery-scroll-area {
    height: calc(100vh - 130px);
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 6px;
    min-width: 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.gallery-item {
    overflow: hidden;
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
    cursor: pointer;
    transition: 0.2s ease;
    min-width: 0;
}

.gallery-item:hover {
    transform: translateY(-3px);
}

.gallery-item img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block;
}

.gallery-meta {
    padding: 10px 12px 14px;
    background: #fff;
}

.gallery-meta h4 {
    margin: 0 0 4px;
    font-size: 14px;
    font-weight: 600;
    color: #222;
}

.gallery-meta p {
    margin: 0;
    font-size: 12px;
    color: #777;
}

.gallery-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 50px 20px;
    color: #666;
    font-size: 16px;
    background: #fff;
    border-radius: 16px;
    border: 1px solid #eee;
}

.image-preview-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    padding: 20px;
}

.image-preview-modal img {
    max-width: 90%;
    max-height: 90vh;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}

.close-preview {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: white;
    cursor: pointer;
    line-height: 1;
}

.image-preview-modal {
    background: rgba(0,0,0,0.92);
}

.image-preview-modal img,
#previewContent video {
    animation: viewerZoom 0.2s ease;

    max-width: 90%;
    max-height: 85vh;
    border-radius: 18px;
    object-fit: contain;
}

@keyframes viewerZoom {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.filter-card::-webkit-scrollbar,
.gallery-scroll-area::-webkit-scrollbar {
    width: 8px;
}

.filter-card::-webkit-scrollbar-thumb,
.gallery-scroll-area::-webkit-scrollbar-thumb {
    background: #d2d2d2;
    border-radius: 20px;
}

@media (max-width: 1100px) {
    .main-container {
        grid-template-columns: 240px minmax(0, 1fr);
        gap: 22px;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .main-container {
        grid-template-columns: 220px minmax(0, 1fr);
        gap: 18px;
        padding: 30px 16px 24px;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }

    .gallery-item img {
        height: 210px;
    }
}

@media (max-width: 680px) {
    .main-container {
        grid-template-columns: 180px minmax(0, 1fr);
        gap: 14px;
        padding: 24px 14px 20px;
    }

    .sidebar {
        height: calc(100vh - 120px);
    }

    .filter-card {
        padding: 6px;
    }

    .filter-item {
        padding: 10px 12px;
        font-size: 0.85rem;
    }

    .gallery-scroll-area {
        height: calc(100vh - 120px);
    }

    .gallery-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px;
    }

    .gallery-item img {
        height: 170px;
    }

    .gallery-meta {
        padding: 8px 10px 12px;
    }

    .gallery-meta h4 {
        font-size: 13px;
    }

    .gallery-meta p {
        font-size: 11px;
    }
}
.gallery-item {
    position: relative;
}

.gallery-video {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block;
}

.video-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.65);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

#previewContent {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.viewer-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.12);
    color: white;
    font-size: 18px;
    cursor: pointer;
    transition: 0.2s ease;
    backdrop-filter: blur(6px);
}

.viewer-nav:hover {
    background: rgba(255,255,255,0.25);
}

.viewer-nav.prev {
    left: 20px;
}

.viewer-nav.next {
    right: 20px;
}

@media (max-width: 480px) {
    .nav-container {
        padding: 14px;
    }

    .back-home {
        font-size: 13px;
        gap: 6px;
    }

    .back-home i {
        font-size: 13px;
    }

    .back-home span {
         display: inline !important;
    }

    .hero-section {
        padding: 90px 16px 36px;
    }

    .hero-content h1 {
        font-size: 1.7rem;
    }

    .hero-content p {
        font-size: 0.92rem;
    }

    .main-container {
        grid-template-columns: 160px minmax(0, 1fr);
        gap: 12px;
        padding: 20px 12px 16px;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .gallery-item img {
        height: 180px;
    }
    .gallery-video {
    height: 180px;
    }
}