/* Douyin Template - 抖音精选风格，垂直滚动视频流 */

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

:root {
    --douyin-bg: #000000;
    --douyin-surface: #161823;
    --douyin-text: #ffffff;
    --douyin-text-secondary: rgba(255, 255, 255, 0.75);
    --douyin-primary: #fe2c55;
    --douyin-border: rgba(255, 255, 255, 0.1);
    --douyin-overlay: rgba(0, 0, 0, 0.4);
}

body.douyin-body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--douyin-bg);
    color: var(--douyin-text);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Header */
.douyin-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--douyin-border);
}

@media (max-width: 768px) {
    .douyin-header {
        position: relative;
    }
}

.douyin-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    gap: 12px;
}

.douyin-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--douyin-text);
    font-weight: 600;
    font-size: 18px;
    flex-shrink: 0;
}

.douyin-logo svg {
    width: 24px;
    height: 24px;
    fill: var(--douyin-primary);
}

.douyin-search {
    flex: 1;
    max-width: 400px;
}

.douyin-search-input {
    width: 100%;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--douyin-border);
    border-radius: 20px;
    color: var(--douyin-text);
    font-size: 14px;
    outline: none;
    transition: all 0.3s;
}

.douyin-search-input:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--douyin-primary);
}

.douyin-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.douyin-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--douyin-text);
    transition: all 0.3s;
    border-radius: 2px;
}

.douyin-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.douyin-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.douyin-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Navigation */
.douyin-nav {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.douyin-nav::-webkit-scrollbar {
    display: none;
}

.douyin-nav-wrapper {
    display: flex;
    gap: 0;
    padding: 0 16px;
    white-space: nowrap;
}

.douyin-nav-item {
    display: inline-block;
    padding: 12px 20px;
    color: var(--douyin-text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
    white-space: nowrap;
}

.douyin-nav-item:hover,
.douyin-nav-item.active {
    color: var(--douyin-text);
    border-bottom-color: var(--douyin-primary);
}

/* Main Content */
.douyin-main {
    min-height: calc(100vh - 120px);
}

/* Video Feed - 垂直滚动视频流 */
.douyin-feed {
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* 首页和列表页使用网格布局 */
.douyin-home-feed,
.douyin-list .douyin-feed {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    padding: 20px 16px;
}

.douyin-video-card {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--douyin-bg);
}

/* 首页和列表页卡片样式 */
.douyin-home-feed .douyin-video-card,
.douyin-list .douyin-video-card {
    min-height: auto;
    height: auto;
    background: var(--douyin-surface);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.douyin-home-feed .douyin-video-card:hover,
.douyin-list .douyin-video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(254, 44, 85, 0.2);
}

.douyin-video-link {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

.douyin-video-container {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    overflow: hidden;
}

/* 首页和列表页容器样式 */
.douyin-home-feed .douyin-video-container,
.douyin-list .douyin-video-container {
    height: auto;
    flex-direction: column;
    justify-content: flex-start;
}

.douyin-video-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.douyin-video-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 首页和列表页图片样式 */
.douyin-home-feed .douyin-video-image,
.douyin-list .douyin-video-image {
    position: relative;
    width: 100%;
    height: auto;
    aspect-ratio: 16/9;
    padding-top: 0;
}

.douyin-home-feed .douyin-video-image img,
.douyin-list .douyin-video-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.douyin-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 50%, rgba(0, 0, 0, 0.2) 100%);
    z-index: 2;
}

/* 首页和列表页覆盖层样式 */
.douyin-home-feed .douyin-video-overlay,
.douyin-list .douyin-video-overlay {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.2) 50%, transparent 100%);
}

.douyin-play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    opacity: 0.9;
    transition: opacity 0.3s;
}

.douyin-video-card:hover .douyin-play-icon {
    opacity: 1;
}

/* 首页和列表页播放图标 */
.douyin-home-feed .douyin-play-icon,
.douyin-list .douyin-play-icon {
    opacity: 0.7;
}

.douyin-home-feed .douyin-play-icon svg,
.douyin-list .douyin-play-icon svg {
    width: 40px;
    height: 40px;
}

.douyin-video-info {
    position: relative;
    z-index: 3;
    padding: 24px 20px;
    color: var(--douyin-text);
}

/* 首页和列表页信息样式 */
.douyin-home-feed .douyin-video-info,
.douyin-list .douyin-video-info {
    padding: 16px;
    background: var(--douyin-surface);
}

.douyin-video-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 首页和列表页标题 */
.douyin-home-feed .douyin-video-title,
.douyin-list .douyin-video-title {
    font-size: 16px;
    margin-bottom: 8px;
    -webkit-line-clamp: 2;
}

.douyin-video-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.douyin-meta-item {
    font-size: 13px;
    color: var(--douyin-text-secondary);
    padding: 4px 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.douyin-status {
    color: var(--douyin-primary);
    background: rgba(254, 44, 85, 0.2);
}

.douyin-video-stats {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
}

.douyin-stat {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--douyin-text-secondary);
}

.douyin-stat svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.douyin-video-desc {
    font-size: 14px;
    color: var(--douyin-text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Section Styles */
.douyin-section {
    padding: 24px 0;
}

.douyin-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 16px 16px;
    margin-bottom: 0;
}

.douyin-section-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--douyin-text);
}

.douyin-section-more {
    font-size: 14px;
    color: var(--douyin-primary);
    text-decoration: none;
    transition: opacity 0.3s;
}

.douyin-section-more:hover {
    opacity: 0.8;
}

/* Empty State */
.douyin-empty {
    padding: 60px 20px;
    text-align: center;
    color: var(--douyin-text-secondary);
}

/* Detail Page */
.douyin-detail {
    padding: 20px 16px;
    max-width: 1200px;
    margin: 0 auto;
}

.douyin-detail-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.douyin-detail-poster {
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: 8px;
    overflow: hidden;
    background: var(--douyin-surface);
}

.douyin-detail-poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.douyin-detail-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.douyin-detail-title {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.4;
}

.douyin-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.douyin-meta-tag {
    font-size: 13px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--douyin-text-secondary);
}

.douyin-detail-stats {
    display: flex;
    gap: 24px;
    padding: 16px 0;
    border-top: 1px solid var(--douyin-border);
    border-bottom: 1px solid var(--douyin-border);
}

.douyin-stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.douyin-stat-label {
    font-size: 12px;
    color: var(--douyin-text-secondary);
}

.douyin-stat-value {
    font-size: 18px;
    font-weight: 600;
}

.douyin-detail-info {
    display: flex;
    gap: 8px;
    font-size: 14px;
}

.douyin-info-label {
    color: var(--douyin-text-secondary);
}

.douyin-info-value {
    color: var(--douyin-text);
}

.douyin-detail-description {
    padding: 16px 0;
}

.douyin-detail-description h3 {
    font-size: 16px;
    margin-bottom: 12px;
}

.douyin-detail-description p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--douyin-text-secondary);
}

/* Detail Page Player */
.douyin-detail-player {
    margin-top: 24px;
    padding: 0 16px;
}

.douyin-detail-player .douyin-player-wrapper {
    border-radius: 8px;
    overflow: hidden;
    background: var(--douyin-surface);
}

/* Play Sources */
.douyin-play-sources {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 24px;
    padding: 0 16px;
}

.douyin-play-source h3,
.douyin-play-source h4 {
    font-size: 16px;
    margin-bottom: 12px;
}

.douyin-episodes {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.douyin-episode {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--douyin-border);
    border-radius: 4px;
    color: var(--douyin-text);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}

.douyin-episode:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--douyin-primary);
}

.douyin-episode.active {
    background: var(--douyin-primary);
    border-color: var(--douyin-primary);
    color: var(--douyin-text);
}

/* Related Videos */
.douyin-related {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--douyin-border);
}

.douyin-related-title {
    font-size: 20px;
    margin-bottom: 20px;
}

.douyin-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 16px;
}

.douyin-related-item {
    text-decoration: none;
    color: inherit;
}

.douyin-related-image {
    aspect-ratio: 16/9;
    border-radius: 8px;
    overflow: hidden;
    background: var(--douyin-surface);
    margin-bottom: 8px;
}

.douyin-related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.douyin-related-title {
    font-size: 14px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* List Page */
.douyin-list {
    padding: 20px 0;
}

.douyin-list .douyin-feed {
    padding: 0 16px;
}

.douyin-list-header {
    margin-bottom: 24px;
}

.douyin-list-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.douyin-list-count {
    font-size: 14px;
    color: var(--douyin-text-secondary);
}

/* Pagination */
.douyin-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 40px 20px;
    flex-wrap: wrap;
}

.douyin-pagination-btn {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--douyin-border);
    border-radius: 4px;
    color: var(--douyin-text);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}

.douyin-pagination-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--douyin-primary);
}

.douyin-pagination-btn.active {
    background: var(--douyin-primary);
    border-color: var(--douyin-primary);
    color: var(--douyin-text);
}

/* Vodplay Page */
.douyin-vodplay {
    padding: 20px 16px;
    max-width: 1200px;
    margin: 0 auto;
}

.douyin-vodplay-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.douyin-vodplay-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.douyin-vodplay-title {
    font-size: 20px;
    font-weight: 600;
    flex: 1;
}

.douyin-back-link {
    color: var(--douyin-primary);
    text-decoration: none;
    font-size: 14px;
    transition: opacity 0.3s;
}

.douyin-back-link:hover {
    opacity: 0.8;
}

.douyin-vodplay-player {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.douyin-player-wrapper {
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    background: var(--douyin-surface);
}

.douyin-vodplay-empty {
    padding: 60px 20px;
    text-align: center;
    color: var(--douyin-text-secondary);
}

.douyin-fallback-list {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--douyin-border);
}

.douyin-fallback-title {
    font-size: 20px;
    margin-bottom: 20px;
    padding: 0 16px;
}

/* 播放页推荐内容使用网格布局 */
.douyin-vodplay .douyin-feed {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    padding: 0 16px;
}

.douyin-vodplay .douyin-video-card {
    min-height: auto;
    height: auto;
    background: var(--douyin-surface);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.douyin-vodplay .douyin-video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(254, 44, 85, 0.2);
}

.douyin-vodplay .douyin-video-container {
    height: auto;
    flex-direction: column;
    justify-content: flex-start;
}

.douyin-vodplay .douyin-video-image {
    position: relative;
    width: 100%;
    height: auto;
    aspect-ratio: 16/9;
    padding-top: 0;
}

.douyin-vodplay .douyin-video-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.douyin-vodplay .douyin-video-overlay {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.2) 50%, transparent 100%);
}

.douyin-vodplay .douyin-play-icon {
    opacity: 0.7;
}

.douyin-vodplay .douyin-play-icon svg {
    width: 40px;
    height: 40px;
}

.douyin-vodplay .douyin-video-info {
    padding: 16px;
    background: var(--douyin-surface);
}

.douyin-vodplay .douyin-video-title {
    font-size: 16px;
    margin-bottom: 8px;
    -webkit-line-clamp: 2;
}

/* Footer */
.douyin-footer {
    padding: 24px 16px;
    text-align: center;
    border-top: 1px solid var(--douyin-border);
    color: var(--douyin-text-secondary);
    font-size: 13px;
}

.douyin-footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .douyin-header-content {
        padding: 10px 12px;
    }

    .douyin-search {
        max-width: none;
    }

    .douyin-menu-toggle {
        display: flex;
    }

    .douyin-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        display: none;
        background: var(--douyin-bg);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        max-height: calc(100vh - 60px);
        overflow-y: auto;
        z-index: 1000;
    }

    .douyin-nav.active {
        display: block;
    }

    .douyin-nav-wrapper {
        padding: 12px;
        flex-direction: column;
        gap: 0;
    }

    .douyin-nav-item {
        display: block;
        padding: 12px 16px;
        font-size: 14px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        border-left: 3px solid transparent;
        pointer-events: auto;
        touch-action: manipulation;
        -webkit-tap-highlight-color: rgba(255, 255, 255, 0.1);
    }

    .douyin-nav-item.active {
        border-left-color: var(--douyin-primary);
        border-bottom-color: rgba(255, 255, 255, 0.1);
    }

    .douyin-video-title {
        font-size: 18px;
    }

    .douyin-video-info {
        padding: 20px 16px;
    }

    .douyin-detail-title,
    .douyin-list-title {
        font-size: 20px;
    }

    .douyin-related-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 12px;
    }

    .douyin-vodplay-header {
        flex-direction: column;
        align-items: flex-start;
    }

    /* 移动端首页和列表页网格 */
    .douyin-home-feed,
    .douyin-list .douyin-feed {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 12px;
        padding: 0 12px;
    }

    /* 移动端播放页推荐内容 */
    .douyin-vodplay .douyin-feed {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 12px;
        padding: 0 12px;
    }
}

@media (max-width: 480px) {
    .douyin-video-title {
        font-size: 16px;
    }

    .douyin-video-stats {
        gap: 12px;
    }

    .douyin-stat {
        font-size: 12px;
    }

    .douyin-episodes {
        gap: 6px;
    }

    .douyin-episode {
        padding: 6px 12px;
        font-size: 13px;
    }

    /* 小屏幕首页和列表页 */
    .douyin-home-feed,
    .douyin-list .douyin-feed {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .douyin-home-feed .douyin-video-title,
    .douyin-list .douyin-video-title {
        font-size: 14px;
    }

    .douyin-home-feed .douyin-video-info,
    .douyin-list .douyin-video-info {
        padding: 12px;
    }

    /* 小屏幕播放页推荐内容 */
    .douyin-vodplay .douyin-feed {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .douyin-vodplay .douyin-video-title {
        font-size: 14px;
    }

    .douyin-vodplay .douyin-video-info {
        padding: 12px;
    }
}