.manual-image-link{display:block;margin:18px 0;max-width:100%;border:1px solid var(--border);border-radius:10px;overflow:hidden;background:var(--bg-soft)}.manual-image{display:block;width:auto;max-width:100%;height:auto;margin:auto}.manual-image-link:focus-visible{outline:3px solid var(--brand);outline-offset:3px}.manual-article,.manual-article .md{min-width:0;overflow-wrap:anywhere}.manual-article .md-table-wrap{max-width:100%;overflow-x:auto}.manual-article .md pre{max-width:100%;overflow:auto}@media(max-width:640px){.manual-image-link{margin:14px 0;border-radius:6px}}

/* Wide, compact manual workspace with a dedicated video tutorial surface. */
#page-manual .wrap{width:100%;max-width:none;padding:0 clamp(18px,3.4vw,64px);margin:0 auto}
#page-manual .page-head{padding:22px 0 14px;align-items:end}
#page-manual .page-head h1{margin:8px 0 2px}
#page-manual .page-head .muted{margin:4px 0 0}
#page-manual .head-actions{display:flex;align-items:center;gap:10px}
.manual-videos-link{white-space:nowrap;min-height:40px}
#page-manual .manual-toc-toggle{margin:0 0 10px}
#page-manual .manual-layout{grid-template-columns:minmax(230px,280px) minmax(0,1fr);gap:14px;align-items:start}
#page-manual .manual-toc{top:82px;max-height:calc(100dvh - 100px)}
#page-manual .manual-article{min-height:calc(100dvh - 265px);padding:28px clamp(24px,3vw,52px)}
.manual-video-root{min-height:50vh;padding:8px 0 40px}
.manual-video-back{display:inline-flex;align-items:center;min-height:40px;color:#315da8;font-size:13px;text-decoration:none}
.manual-video-back:hover{text-decoration:underline}
.manual-video-heading{font-size:26px;line-height:1.3;margin:12px 0 6px;color:#172b4d}
.manual-video-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:20px}
.manual-video-card{min-width:0;overflow:hidden;border:1px solid #e0e6ef;border-radius:12px;background:#fff;color:#172b4d;text-decoration:none;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}
.manual-video-card:hover{transform:translateY(-2px);border-color:#afc5e8;box-shadow:0 12px 28px #1d355710}
.manual-video-card:focus-visible{outline:3px solid #8db3ff;outline-offset:3px}
.manual-video-card>img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:#eef2f7}
.manual-video-card-body{padding:16px 18px 18px}
.manual-video-card-body h3{font-size:16px;line-height:1.45;margin:0 0 6px}
.manual-video-card-body p{font-size:13px;line-height:1.6;color:#64748b;margin:0;min-height:42px}
.manual-video-card-link{display:block;margin-top:14px;color:#315da8;font-size:12px;font-weight:650}
.manual-video-empty{padding:32px;border:1px dashed #cbd5e1;border-radius:12px;background:#fff;color:#64748b;margin-top:18px}
.manual-video-player{display:block;width:min(100%,1440px);max-height:78dvh;aspect-ratio:16/9;margin:18px auto 28px;border-radius:12px;background:#0b1220}
.manual-video-summary{color:#526782;line-height:1.7;margin:8px 0}
.manual-video-transcript{max-width:1100px;margin:22px auto;padding:26px 32px;border:1px solid #e1e7f0;border-radius:12px;background:#fff}
.manual-video-transcript h3{margin:0 0 16px;font-size:19px}
.manual-video-transcript .md{line-height:1.85;overflow-wrap:anywhere}
.manual-video-dialog{width:min(1180px,calc(100vw - 56px));max-width:none;max-height:calc(100dvh - 48px);padding:0;border:1px solid #d8e0ea;border-radius:14px;color:#18283f;box-shadow:0 24px 90px #0b183d2a}
.manual-video-dialog::backdrop{background:#101e356b;backdrop-filter:blur(2px)}
.manual-video-head{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;border-bottom:1px solid #e2e8f0;background:#fff}
.manual-video-head h2{font-size:20px;margin:0 0 4px}.manual-video-head p{font-size:12px;margin:0}
.manual-video-main{max-height:calc(100dvh - 128px);overflow:auto;padding:22px 24px;background:#f8fafc}
.manual-video-listbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;font-size:13px;color:#526178}
.manual-video-admin-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.manual-video-admin-card{overflow:hidden;border:1px solid #e0e6ef;border-radius:10px;background:#fff;min-width:0}
.manual-video-admin-card>img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:#eef2f7}
.manual-video-admin-body{padding:14px}.manual-video-admin-title{display:flex;align-items:center;justify-content:space-between;gap:8px}.manual-video-admin-title strong{font-size:14px;overflow-wrap:anywhere}.manual-video-admin-body p{font-size:12px;color:#64748b;line-height:1.55;min-height:38px;margin:7px 0}.manual-video-admin-body small{font-size:11px}
.manual-video-status{padding:3px 7px;border-radius:999px;background:#eef2f6;color:#526178;font-size:10px;white-space:nowrap}.manual-video-status.is-published{background:#e7f7ed;color:#137547}
.manual-video-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.manual-video-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 18px}.manual-video-form>.field{margin:0;min-width:0}.manual-video-form>.field:nth-of-type(5){grid-column:1/-1}.manual-video-form .input{max-width:none;width:100%}.manual-video-form textarea{min-height:200px;resize:vertical}.manual-video-form>p,.manual-video-form>.manual-video-actions,.manual-video-form>progress{grid-column:1/-1}.manual-video-progress{width:100%;height:12px;accent-color:#315da8}.manual-video-notice{font-size:12px;color:#526782;margin:2px 0}.manual-video-error{font-size:13px;color:#b42318;padding:10px 12px;border-radius:8px;background:#fff1f0}.manual-video-empty{line-height:1.65}
@media(max-width:1100px){.manual-video-cards,.manual-video-admin-grid{grid-template-columns:repeat(2,minmax(0,1fr))}#page-manual .manual-layout{grid-template-columns:220px minmax(0,1fr)}}
@media(max-width:760px){#page-manual .wrap{padding:0 16px}#page-manual .page-head{padding:16px 0 12px;align-items:flex-start;flex-direction:column}.manual-videos-link{min-height:40px}#page-manual .manual-layout{grid-template-columns:minmax(0,1fr)}#page-manual .manual-article{min-height:calc(100dvh - 300px);padding:22px 18px}.manual-video-cards,.manual-video-admin-grid{grid-template-columns:minmax(0,1fr);gap:12px}.manual-video-transcript{padding:20px 18px}.manual-video-dialog{width:calc(100vw - 12px);max-height:calc(100dvh - 12px);border-radius:10px}.manual-video-head{padding:16px}.manual-video-main{padding:16px;max-height:calc(100dvh - 96px)}.manual-video-form{grid-template-columns:minmax(0,1fr)}.manual-video-form>.field,.manual-video-form>.manual-video-actions,.manual-video-form>progress,.manual-video-form>p{grid-column:1}.manual-video-player{border-radius:8px;max-height:65dvh}}
@media(prefers-reduced-motion:reduce){.manual-video-card{transition:none}}

/* Keep the manual controls and title on one compact row; reclaim the old TOC row. */
#page-manual .page-head{padding:5px 0 8px;gap:14px}
#page-manual .manual-back{margin-bottom:3px;font-size:12px}
#page-manual .page-head h1{font-size:29px;line-height:1.25;margin:3px 0 1px}
#page-manual .page-head .muted{font-size:12px;margin:2px 0 0}
#page-manual .head-actions{gap:8px}
#page-manual .head-actions .search{width:min(300px,24vw);min-width:180px;flex:0 1 auto}
#page-manual .manual-videos-link{min-height:40px;padding:8px 14px}
#page-manual .manual-toc-toggle{display:none;margin:0;min-height:40px}
#page-manual .manual-layout{margin-top:0;margin-bottom:18px}
@media(max-width:980px){#page-manual .manual-toc-toggle{display:inline-flex}}
@media(max-width:760px){#page-manual .page-head{padding:4px 0 8px;gap:8px}#page-manual .head-actions{width:100%;display:flex;flex-wrap:wrap}#page-manual .head-actions .search{width:auto;min-width:150px;flex:1 1 100%}#page-manual .manual-toc-toggle,#page-manual .manual-videos-link{min-height:40px}}

/* Compact tutorial browsing and a playlist beside the player. */
#page-manual .page-head{padding-top:3px;padding-bottom:3px}
#page-manual .manual-video-root{min-height:0;padding:0 0 24px}
#page-manual .manual-video-back{min-height:28px}
#page-manual .manual-video-heading{margin:3px 0 8px}
#page-manual .manual-video-intro{margin:0 0 12px;font-size:13px}
.manual-video-cards{margin-top:12px}
.manual-video-detail-layout{display:grid;grid-template-columns:minmax(260px,340px) minmax(0,1fr);gap:16px;align-items:start;margin-top:8px}
.manual-video-playlist,.manual-video-stage{min-width:0;border:1px solid #e0e6ef;border-radius:12px;background:#fff}
.manual-video-playlist{position:sticky;top:12px;overflow:hidden}
.manual-video-playlist-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:14px 16px;border-bottom:1px solid #e8edf4}
.manual-video-playlist-head strong{font-size:14px;color:#172b4d}
.manual-video-playlist-head .muted{font-size:12px}
.manual-video-playlist-items{max-height:calc(100dvh - 250px);min-height:160px;overflow:auto;padding:8px}
.manual-video-playlist-item{display:grid;grid-template-columns:104px minmax(0,1fr);gap:10px;align-items:center;padding:8px;border:1px solid transparent;border-radius:9px;color:#263b56;text-decoration:none}
.manual-video-playlist-item:hover{background:#f6f8fc}
.manual-video-playlist-item.is-active{background:#eef4ff;border-color:#cbdcff;color:#174ea6}
.manual-video-playlist-item img{display:block;width:104px;aspect-ratio:16/9;object-fit:cover;border-radius:6px;background:#eef2f7}
.manual-video-playlist-copy{display:grid;gap:4px;min-width:0}
.manual-video-playlist-copy strong{font-size:13px;line-height:1.45;overflow-wrap:anywhere}
.manual-video-playlist-copy small{font-size:11px;line-height:1.45;color:#718096;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.manual-video-stage{padding:18px 20px}
.manual-video-stage .manual-video-player{width:100%;max-height:calc(100dvh - 210px);margin:10px auto 18px}
.manual-video-stage .manual-video-transcript{max-width:none;margin:16px 0 0;padding:18px 20px}
@media(max-width:900px){.manual-video-detail-layout{grid-template-columns:minmax(0,1fr)}.manual-video-stage{order:1}.manual-video-playlist{position:static;order:2}.manual-video-playlist-items{max-height:280px;min-height:0}.manual-video-stage .manual-video-player{max-height:65dvh}}
@media(max-width:760px){#page-manual .page-head{padding:2px 0 4px}.manual-video-stage{padding:14px}.manual-video-playlist-item{grid-template-columns:88px minmax(0,1fr)}.manual-video-playlist-item img{width:88px}}