/* ====================================================
   全屏详情页 — 作品展示专用（HIMADRAMA 参考风格）
   文件: public/css/detail-fullscreen.css
   ==================================================== */

/* 强制导航栏始终深色背景（本页 Banner 区为白色，需覆盖 theme.css 的透明默认态） */
.page-detail-fullscreen .navbar {
    background: rgba(10,22,40,0.98);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 1px 0 rgba(255,255,255,0.08), 0 4px 20px rgba(0,0,0,0.3);
    padding: 12px 0;
}
.page-detail-fullscreen .navbar .nav-logo-title { color: var(--white); }
.page-detail-fullscreen .navbar .nav-menu a,
.page-detail-fullscreen .navbar .nav-menu li > a { color: rgba(255,255,255,0.85); }
.page-detail-fullscreen .navbar .mobile-menu-btn { color: var(--white); }

:root {
    --fs-bg: #fafbfc;
    --fs-white: #ffffff;
    --fs-text: #1a1a2e;
    --fs-text-sub: #5a5f72;
    --fs-text-light: #888fa3;
    --fs-border: #e5e7ec;
    --fs-accent: #2563EB;
    --fs-accent-dim: rgba(37,99,235,0.08);
    --fs-dark: #0A0E17;
    --fs-radius: 12px;
    --fs-shadow: 0 2px 16px rgba(0,0,0,0.06);
    --fs-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ------ 容器 ------ */
.fs-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 32px;
}

/* ====== 作品信息头部 ====== */
.fs-header {
    padding: 48px 0 36px;
    background: var(--fs-white);
}
/* 面包屑样式复用 details.css 中的 .breadcrumb-nav */

/* 文章标签行 */
.fs-tags-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.fs-tag {
    font-size: 12px;
    color: var(--fs-text-light);
    background: var(--fs-bg);
    padding: 3px 10px;
    border-radius: 16px;
}
.fs-tag--outline {
    background: transparent;
    border: 1px solid var(--fs-border);
    font-size: 12px;
    padding: 4px 12px;
}
.fs-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--fs-text);
    line-height: 1.3;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
}
.fs-summary {
    font-size: 16px;
    color: var(--fs-text-sub);
    line-height: 1.8;
    max-width: 720px;
    margin-bottom: 18px;
}
.fs-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--fs-text-light);
    margin-bottom: 12px;
}
.fs-meta-item { display: inline-flex; align-items: center; }
.fs-meta-dot { margin: 0 2px; }
.fs-tags-bottom {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 4px;
}

/* ====== 正文区 ====== */
.fs-body {
    padding: 0 0 80px;
    background: var(--fs-white);
}

/* ------ 视频播放区 ------ */
.fs-video-wrap {
    margin-bottom: 48px;
    border-radius: var(--fs-radius);
    overflow: hidden;
    background: #000;
    box-shadow: 0 8px 40px rgba(0,0,0,0.15);
}
/* 视频按播放器宽度100%铺满，高度按自身比例自适应，无黑边 */
.fs-video-player {
    display: block;
    background: #000;
    width: 100%;
}
.fs-video-player video {
    width: 100% !important;
    height: auto !important;
    max-width: 100% !important;
    display: block;
    background: #000;
}
/* iframe（B站/YouTube等）保持16:9比例 */
.fs-video-player iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    border: none;
    display: block;
}

/* ------ 正文内容 ------ */
.fs-content {
    font-size: 16px;
    line-height: 1.9;
    color: var(--fs-text);
}
.fs-content h2 {
    font-size: 24px;
    font-weight: 700;
    margin: 40px 0 16px;
    color: var(--fs-text);
}
.fs-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 32px 0 12px;
}
.fs-content p {
    margin-bottom: 20px;
}
.fs-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 16px 0;
}
.fs-content blockquote {
    border-left: 3px solid var(--fs-accent);
    padding: 12px 20px;
    margin: 24px 0;
    background: var(--fs-bg);
    border-radius: 0 8px 8px 0;
    color: var(--fs-text-sub);
}
.fs-content ul, .fs-content ol {
    padding-left: 24px;
    margin-bottom: 20px;
}
.fs-content li {
    margin-bottom: 8px;
}
.fs-content pre {
    background: var(--fs-dark);
    color: #e2e8f0;
    padding: 20px 24px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 20px 0;
    font-size: 14px;
    line-height: 1.6;
}
.fs-content code {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.9em;
}
.fs-content a {
    color: var(--fs-accent);
    text-decoration: underline;
}

/* ====== 上下篇导航 ====== */
.fs-nav {
    padding: 48px 0;
    background: var(--fs-bg);
    border-top: 1px solid var(--fs-border);
}
.fs-nav-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.fs-nav-card {
    display: flex;
    flex-direction: column;
    padding: 24px 28px;
    background: var(--fs-white);
    border: 1px solid var(--fs-border);
    border-radius: var(--fs-radius);
    text-decoration: none;
    transition: var(--fs-transition);
}
.fs-nav-card:hover {
    border-color: var(--fs-accent);
    box-shadow: var(--fs-shadow);
    transform: translateY(-1px);
}
.fs-nav-label {
    font-size: 12px;
    color: var(--fs-text-light);
    letter-spacing: 1px;
    font-weight: 600;
    margin-bottom: 8px;
}
.fs-nav-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--fs-text);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.fs-nav-prev .fs-nav-title { color: var(--fs-text-sub); }
.fs-nav-next { text-align: right; }
.fs-nav-empty { background: transparent; border: none; }

/* ====== 同类作品推荐 ====== */
.fs-recommend {
    padding: 80px 0 100px;
    background: var(--fs-white);
}
.fs-section-label {
    font-size: 12px;
    letter-spacing: 3px;
    color: var(--fs-text-light);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.fs-section-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--fs-text);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}
.fs-section-title-en {
    font-weight: 400;
    font-size: 18px;
    color: var(--fs-text-light);
    letter-spacing: 0;
}
.fs-recommend-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 36px;
}
.fs-rec-card {
    display: block;
    text-decoration: none;
    border: 1px solid var(--fs-border);
    border-radius: var(--fs-radius);
    overflow: hidden;
    transition: var(--fs-transition);
    background: var(--fs-white);
}
.fs-rec-card:hover {
    box-shadow: var(--fs-shadow);
    transform: translateY(-2px);
}
.fs-rec-img {
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--fs-bg);
}
.fs-rec-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.fs-rec-img--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 20%;
}
.fs-rec-img--placeholder svg {
    width: 80%;
    height: auto;
}
.fs-rec-body {
    padding: 16px 18px;
}
.fs-rec-body h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--fs-text);
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}
.fs-rec-date {
    font-size: 12px;
    color: var(--fs-text-light);
}

/* ====== 响应式 ====== */
@media (max-width: 1024px) {
    .fs-title { font-size: 28px; }
    .fs-recommend-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .fs-container { padding: 0 16px; }
    .fs-header { padding: 80px 0 24px; }
    .fs-title { font-size: 24px; }
    .fs-summary { font-size: 14px; }
    .fs-video-wrap { margin-bottom: 32px; }
    .fs-body { padding-bottom: 48px; }
    .fs-nav-grid { grid-template-columns: 1fr; gap: 16px; }
    .fs-nav-next { text-align: left; }
    .fs-nav-card { padding: 16px 20px; }
    .fs-content { font-size: 15px; }
    .fs-recommend { padding: 48px 0 60px; }
    .fs-section-title { font-size: 24px; }
    .fs-section-title-en { font-size: 15px; display: block; margin-top: 2px; }
    .fs-recommend-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}
@media (max-width: 480px) {
    .fs-recommend-grid { grid-template-columns: 1fr; }
}