/* 作品展示页样式 */
.main-content {
    padding: 120px 0 80px;
}

.page-hero {
    text-align: center;
    margin-bottom: 40px;
}

.page-hero .tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent-color);
    margin-bottom: 12px;
    font-weight: 600;
}

.page-hero h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.page-hero p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Tabs */
.category-tabs {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    overflow: hidden;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.tab-buttons {
    display: flex;
    border-bottom: 1px solid var(--card-border);
}

.tab-btn {
    flex: 1;
    padding: 18px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: inherit;
}

.tab-btn:hover { color: var(--text-primary); background: rgba(255,255,255,0.03); }
.tab-btn.active {
    color: var(--accent-color);
    background: rgba(0, 242, 254, 0.05);
    box-shadow: inset 0 -2px 0 var(--accent-color);
}

.tab-content { display: none; padding: 30px; }
.tab-content.active { display: block; }

.category-description {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--card-border);
}

.category-description h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.4rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.category-description h2 i { color: var(--accent-color); }
.category-description p { color: var(--text-secondary); font-size: 0.9rem; }

/* Category grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.category-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.category-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 242, 254, 0.3);
    box-shadow: 0 15px 35px rgba(0, 242, 254, 0.05);
}

.category-image {
    position: relative;
    padding-top: 56.25%;
    overflow: hidden;
}

.category-image img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.category-card:hover .category-image img { transform: scale(1.05); }

.category-info { padding: 20px; }

.category-name {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category-score {
    font-size: 0.75rem;
    color: var(--accent-color);
}

.category-description-text {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.view-btn {
    padding: 8px 16px;
    background: rgba(0, 242, 254, 0.1);
    color: var(--accent-color);
    border: 1px solid rgba(0, 242, 254, 0.2);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s;
    font-family: inherit;
}

.view-btn:hover {
    background: rgba(0, 242, 254, 0.2);
}

/* Modals */
.modal, .player-modal, .image-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(0, 0, 0, 0.88);
    overflow-x: hidden;
    overflow-y: auto;
    scrollbar-gutter: stable;
    padding: 20px;
    overscroll-behavior: contain;
}

.modal.open, .player-modal.open, .image-modal.open { display: flex; align-items: flex-start; justify-content: center; }

.modal-content {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    max-width: 1100px;
    width: 100%;
    margin: 40px auto;
    backdrop-filter: blur(12px);
    animation: fadeUp 0.3s ease;
}

.player-content, .image-content {
    background: #111;
    border: 1px solid var(--card-border);
    border-radius: 20px;
    max-width: 1100px;
    width: 100%;
    margin: 40px auto;
    animation: fadeUp 0.3s ease;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header, .player-header, .image-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--card-border);
}

.modal-header h2, .player-header h3, .image-header h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.2rem;
}

.close-btn, .back-btn, .back-to-list-btn {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    font-family: inherit;
    font-size: 0.85rem;
}

.back-to-list-btn { width: auto; padding: 0 14px; border-radius: 20px; gap: 6px; }

.close-btn:hover, .back-btn:hover, .back-to-list-btn:hover {
    color: var(--accent-color);
    border-color: rgba(0, 242, 254, 0.3);
}

.modal-body { padding: 24px; }

/* Video grid */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

.video-item {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s;
}

.video-item:hover {
    border-color: rgba(0, 242, 254, 0.3);
    transform: translateY(-4px);
}

.video-thumbnail {
    position: relative;
    padding-top: 56.25%;
    overflow: hidden;
}

.video-thumbnail img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.video-item:hover .play-overlay { opacity: 1; }

.play-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 242, 254, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-dark);
}

.external-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(255, 107, 107, 0.9);
    color: white;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.7rem;
}

.video-info { padding: 14px; }
.video-info h3 { font-size: 0.95rem; margin-bottom: 6px; }
.video-info p { font-size: 0.8rem; color: var(--text-secondary); }

/* Player */
.player-header { gap: 12px; }
.player-header h3 { flex: 1; text-align: center; }
.player-body { padding: 0; }

.video-wrapper {
    position: relative;
    background: #000;
    aspect-ratio: 16/9;
}

.video-wrapper video {
    width: 100%;
    height: 100%;
    display: block;
    -webkit-user-select: none;
    user-select: none;
    -webkit-user-drag: none;
}

/* 内容保护：透明遮罩挡在大图上方，拦截右键/拖拽 */
.media-shield {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: transparent;
    cursor: default;
    -webkit-user-select: none;
    user-select: none;
}

.image-wrapper img#full-image {
    position: relative;
    z-index: 1;
    -webkit-user-drag: none;
    pointer-events: none;
}

.image-nav,
.image-counter {
    z-index: 3;
}

#player-modal.open .player-body,
#image-modal.open .image-body,
#video-modal.open .video-thumbnail,
#waterfall-page.open .item-image {
    -webkit-user-select: none;
    user-select: none;
}

#video-modal.open .video-thumbnail img,
#waterfall-page.open .item-image img {
    -webkit-user-drag: none;
    pointer-events: none;
}

.video-info { padding: 20px 24px; color: var(--text-secondary); }

/* Waterfall page */
.waterfall-page {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 150;
    background: var(--bg-dark);
    overflow-x: hidden;
    overflow-y: auto;
    scrollbar-gutter: stable;
    padding-top: 80px;
    overscroll-behavior: contain;
}

.waterfall-page.open { display: block; }

.waterfall-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 8%;
    background: rgba(10, 10, 12, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
    z-index: 10;
}

.waterfall-header h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.2rem;
}

.waterfall-container {
    display: flex;
    gap: 16px;
    padding: 24px 4% 60px;
    max-width: 1400px;
    margin: 0 auto;
    align-items: flex-start;
}

.waterfall-column { flex: 1; min-width: 0; }

.waterfall-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 16px;
    cursor: pointer;
    transition: all 0.3s;
}

.waterfall-item:hover {
    border-color: rgba(0, 242, 254, 0.3);
    transform: translateY(-4px);
}

.waterfall-item .item-image {
    position: relative;
    overflow: hidden;
}

.waterfall-item .item-image img {
    width: 100%;
    display: block;
}

.item-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    opacity: 0;
    transition: opacity 0.3s;
    display: flex;
    align-items: flex-end;
    padding: 16px;
}

.waterfall-item:hover .item-overlay { opacity: 1; }

.overlay-content h3 { font-size: 0.9rem; margin-bottom: 4px; }
.overlay-content p { font-size: 0.75rem; color: var(--text-secondary); }

.view-btn-small {
    margin-top: 8px;
    font-size: 0.75rem;
    color: var(--accent-color);
}

.item-info { padding: 14px; }
.item-info h3 { font-size: 0.9rem; margin-bottom: 4px; }
.item-info p { font-size: 0.8rem; color: var(--text-secondary); }

.panorama-badge {
    background: rgba(0, 242, 254, 0.15);
    color: var(--accent-color);
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 6px;
}

.view-panorama-btn {
    margin-top: 10px;
    padding: 6px 12px;
    background: rgba(0, 242, 254, 0.1);
    border: 1px solid rgba(0, 242, 254, 0.2);
    color: var(--accent-color);
    border-radius: 16px;
    font-size: 0.75rem;
    cursor: pointer;
    font-family: inherit;
}

.panorama-item .panorama-icon { position: relative; }
.panorama-item .panorama-icon > i {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    color: var(--accent-color);
    z-index: 2;
    pointer-events: none;
    text-shadow: 0 0 20px rgba(0,0,0,0.8);
}

/* Image viewer */
.image-body { padding: 0; }

.image-wrapper {
    position: relative;
    background: #000;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-wrapper img {
    max-width: 100%;
    max-height: 75vh;
    object-fit: contain;
}

.image-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    border: 1px solid var(--card-border);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    font-family: inherit;
}

.image-nav:hover { background: rgba(0, 242, 254, 0.2); color: var(--accent-color); }
.prev-btn { left: 16px; }
.next-btn { right: 16px; }

.image-counter {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.6);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
}

.image-info { padding: 20px 24px; color: var(--text-secondary); }

.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--card-border);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 12px;
}

@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 768px) {
    .main-content { padding-top: 100px; }
    .page-hero h1 { font-size: 1.6rem; }
    .tab-content { padding: 20px 16px; }
    .waterfall-container { padding: 16px 3%; gap: 10px; }
}