/**
 * 视频页面（列表 + 详情）
 * 复用全站 CSS 变量与容器宽度
 */

/* ============================================================
   共用：容器与面包屑
   ============================================================ */
.video-list-main,
.video-detail-main {
    padding: clamp(28px, 4vw, 48px) 0 clamp(48px, 6vw, 80px);
    background: var(--c-bg, #fff);
    min-height: 50vh;
}
.container-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================================
   列表页
   ============================================================ */
.video-list-hero {
    margin: 20px 0 32px;
}
.video-list-heading {
    font-size: clamp(1.375rem, 2.5vw, 1.75rem);
    font-weight: 700;
    color: var(--c-text, #1e293b);
    margin: 0 0 6px;
    letter-spacing: -0.01em;
}
.video-list-sub {
    font-size: 0.9375rem;
    color: var(--c-text-3, #64748b);
    margin: 0;
}
.video-empty {
    padding: 60px 0;
    text-align: center;
    color: var(--c-text-3, #94a3b8);
    font-size: 0.9375rem;
}

/* 视频卡片网格 */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}
.video-grid--small {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 18px;
}

/* 单个视频卡片 */
.video-card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    border-radius: 10px;
    overflow: hidden;
    background: var(--c-bg-card, #fff);
    border: 1px solid var(--c-line, #e2e8f0);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    border-color: var(--c-accent, #2563eb);
}

/* 封面 */
.video-card-cover {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #0f172a;
}
.video-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}
.video-card:hover .video-card-cover img {
    transform: scale(1.04);
}
.video-card-cover-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.2);
}

/* 播放按钮遮罩 */
.video-card-play {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.15);
    opacity: 0;
    transition: opacity 0.25s ease;
}
.video-card:hover .video-card-play {
    opacity: 1;
}
.video-card-play i {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    font-size: 1.125rem;
    backdrop-filter: blur(4px);
}

/* 卡片内容 */
.video-card-body {
    padding: 14px 16px 16px;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 6px;
}
.video-card-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--c-text, #1e293b);
    margin: 0;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.video-card-desc {
    font-size: 0.8125rem;
    color: var(--c-text-3, #64748b);
    margin: 0;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.video-card-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.75rem;
    color: var(--c-text-3, #94a3b8);
    margin-top: auto;
    padding-top: 4px;
}
.video-card-meta i {
    margin-right: 3px;
    opacity: 0.7;
}

/* 分页 */
.video-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 40px;
    flex-wrap: wrap;
}
.video-page-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 7px 14px;
    font-size: 0.8125rem;
    color: var(--c-text-2, #475569);
    border: 1px solid var(--c-line, #e2e8f0);
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.2s ease;
}
.video-page-btn:hover {
    border-color: var(--c-accent, #2563eb);
    color: var(--c-accent, #2563eb);
}
.video-page-btn.is-disabled {
    opacity: 0.4;
    pointer-events: none;
}
.video-page-nums {
    display: inline-flex;
    gap: 4px;
    align-items: center;
}
.video-page-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 6px;
    font-size: 0.8125rem;
    color: var(--c-text-2, #475569);
    border: 1px solid var(--c-line, #e2e8f0);
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.2s ease;
}
.video-page-num:hover {
    border-color: var(--c-accent, #2563eb);
    color: var(--c-accent, #2563eb);
}
.video-page-num.is-current {
    background: var(--c-accent, #2563eb);
    border-color: var(--c-accent, #2563eb);
    color: #fff;
    font-weight: 600;
}
.video-page-ellipsis {
    padding: 0 4px;
    color: var(--c-text-3, #94a3b8);
}

/* ============================================================
   详情页
   ============================================================ */
.video-detail-player-wrap {
    margin-top: 24px;
    border-radius: 12px;
    overflow: hidden;
    background: #000;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.14);
}
/* 播放器盒子贴合录屏里的网站窗口区域（1920x1080 录屏，上下各约 134px 是桌面壁纸带，
 * 窗口区域为 y 133-946、左右铺满，按 1920/813 居中裁掉壁纸带） */
.video-detail-player {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: auto 1920 / 813;
    object-fit: cover;
    object-position: center;
    background: #000;
}
/* 全屏时恢复完整画面，避免把录屏内容裁掉 */
.video-detail-player:fullscreen,
.video-detail-player:-webkit-full-screen {
    aspect-ratio: auto;
    object-fit: contain;
}
.video-detail-player--missing {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 280px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 1rem;
}
.video-detail-player--missing i {
    margin-right: 6px;
}

/* 详情信息区 */
.video-detail-body {
    padding: 22px 0 6px;
    margin-bottom: 30px;
}
.video-detail-title {
    font-size: clamp(1.25rem, 2.5vw, 1.625rem);
    font-weight: 700;
    color: var(--c-text, #1e293b);
    margin: 0 0 10px;
    line-height: 1.35;
}
.video-detail-meta {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 0.8125rem;
    color: var(--c-text-3, #94a3b8);
    margin-bottom: 16px;
}
.video-detail-meta i {
    margin-right: 4px;
    opacity: 0.7;
}
.video-detail-desc {
    font-size: 0.9375rem;
    color: var(--c-text-2, #475569);
    line-height: 1.75;
    margin: 0;
}

/* 相关视频 */
.video-detail-section-head {
    margin-bottom: 20px;
}
.video-detail-section-head h2 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--c-text, #1e293b);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}
.video-detail-section-head h2 i {
    color: var(--c-accent, #2563eb);
    font-size: 0.9375rem;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 768px) {
    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 16px;
    }
    .video-grid--small {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .video-card-body {
        padding: 10px 12px 12px;
    }
    .video-card-title {
        font-size: 0.875rem;
    }
    .video-card-desc {
        display: none;
    }
}
@media (max-width: 480px) {
    .video-grid {
        grid-template-columns: 1fr;
    }
    .video-grid--small {
        grid-template-columns: 1fr;
    }
    .video-card-cover-placeholder {
        font-size: 1.5rem;
    }
    .video-card-play i {
        width: 44px;
        height: 44px;
        font-size: 0.9375rem;
    }
}

/* ============================================================
   深色模式
   ============================================================ */
html.io-dark-mode .video-list-main,
html.io-dark-mode .video-detail-main {
    background: var(--c-bg, #0b1220);
}
html.io-dark-mode .video-card {
    background: var(--c-bg-card, #1a2e47);
    border-color: var(--c-line, rgba(185, 203, 226, 0.16));
}
html.io-dark-mode .video-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}
html.io-dark-mode .video-card-cover {
    background: #0b1220;
}
html.io-dark-mode .video-detail-player-wrap {
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
}