/* Content viewers: player, audio, slides, pages, gallery, article body. */
/* The video always fills the box and is letterboxed (never cropped), whatever its aspect ratio: portrait phone
   recordings, 4:3, 16:9. Absolute positioning gives the <video> a definite size independent of its intrinsic one. */
.player { position: relative; background: var(--media-bg); border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 16 / 9; }
.player.portrait { aspect-ratio: auto; height: min(78vh, 900px); }
.player video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; display: block; background: var(--media-bg); }
.player > .empty { position: absolute; inset: 0; display: grid; place-items: center; padding: 0; }
.parts { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0 0; }
.audio-card { display: grid; grid-template-columns: minmax(0, 360px) minmax(0, 1fr); gap: 24px; align-items: center; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; }
#media:has(> .audio-card) { container-type: inline-size; }
@container (max-width: 760px) { .audio-card { grid-template-columns: minmax(0, 1fr); } .audio-card .art { max-width: 360px; } }
.audio-card .art { aspect-ratio: 16 / 9; border-radius: var(--radius-md); overflow: hidden; background: var(--surface-2); }
.audio-card .art img { width: 100%; height: 100%; object-fit: cover; }
.audio-card audio { width: 100%; margin: 6px 0 12px; }
.rates { display: flex; gap: 6px; align-items: center; color: var(--muted); font-size: var(--font-size-sm); flex-wrap: wrap; }
.rates button { border: 1px solid var(--border); background: none; border-radius: var(--radius-pill); padding: 3px 10px; cursor: pointer; font-size: var(--font-size-sm); color: var(--text); }
.rates button.active { background: var(--text); color: var(--bg); border-color: var(--text); }
/* article body (original site HTML, sanitized) */
.article { font-size: var(--font-size-lg); line-height: var(--reading-leading); color: var(--text); overflow-wrap: anywhere; }
.article p { margin: 0 0 1em; }
.article h1, .article h2, .article h3, .article h4 { line-height: 1.5; margin: 1.4em 0 .6em; }
.article img { max-width: 100%; height: auto; border-radius: var(--radius-sm); margin: 12px auto; cursor: zoom-in; }
.article table { border-collapse: collapse; width: 100%; margin: 1em 0; font-size: var(--font-size-base); display: block; overflow-x: auto; }
.article td, .article th { border: 1px solid var(--border); padding: 8px 10px; vertical-align: top; line-height: 1.7; }
.article .missing-img { display: block; color: var(--faint); font-size: var(--font-size-sm); padding: 10px 14px; border: 1px dashed var(--border); border-radius: var(--radius-sm); margin: 10px 0; }
.article .inline-media { display: inline-flex; margin: 6px 0; }
.article.collapsed { max-height: 560px; overflow: hidden; -webkit-mask-image: linear-gradient(black 75%, transparent); mask-image: linear-gradient(black 75%, transparent); }
/* ---------- document / slides viewer ---------- */
.slides { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 14px; }
.slide-stage { position: relative; background: var(--stage-bg); border-radius: var(--radius-md); overflow: hidden; display: grid; place-items: center; aspect-ratio: 16 / 9; }
.slide-stage img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; cursor: pointer; }
.slide-stage .nav { position: absolute; top: 50%; transform: translateY(-50%); width: 46px; height: 46px; border-radius: 50%; border: 0;
  background: var(--media-control); color: var(--on-media); cursor: pointer; display: grid; place-items: center; backdrop-filter: blur(6px);
  box-shadow: var(--media-control-shadow); z-index: 1; }
.slide-stage .nav:hover { background: var(--media-control-hover); }
.slide-stage .prev { left: 14px; } .slide-stage .next { right: 14px; }
.slide-bar { display: flex; align-items: center; gap: 12px; margin: 10px 2px 8px; color: var(--muted); font-size: var(--font-size-md); font-variant-numeric: tabular-nums; }
.filmstrip { position: relative; display: flex; gap: 8px; overflow-x: auto; padding: 4px 2px 6px; scrollbar-width: thin; }
.filmstrip button { flex: none; width: 120px; aspect-ratio: 16 / 9; border-radius: var(--radius-xs); overflow: hidden; border: 2px solid transparent; padding: 0;
  cursor: pointer; background: var(--surface-2); opacity: .7; }
.filmstrip button.active { border-color: var(--accent); opacity: 1; }
.filmstrip img { width: 100%; height: 100%; object-fit: cover; }
.pages { display: flex; flex-direction: column; align-items: center; gap: 18px; }
.page { position: relative; width: min(100%, 880px); background: var(--surface); border-radius: var(--radius-xs); box-shadow: var(--shadow); overflow: hidden; }
.page img { width: 100%; height: auto; cursor: zoom-in; }
.page .pno { position: absolute; right: 10px; bottom: 10px; background: var(--badge-bg); color: var(--on-media); font-size: var(--font-size-xs); padding: 2px 8px; border-radius: var(--radius-xs); }
.page.missing { padding: 40px; text-align: center; color: var(--faint); font-size: var(--font-size-md); }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr)); gap: 14px; align-items: start; }
.gallery .page { width: 100%; margin: 0; }
.doc-toolbar { display: flex; align-items: center; gap: 10px; margin: 0 0 14px; color: var(--muted); font-size: var(--font-size-md); flex-wrap: wrap; }
:fullscreen.slides, :fullscreen .slides { background: var(--media-bg); border: 0; }
.slides:fullscreen { display: flex; flex-direction: column; justify-content: center; padding: 0; background: var(--media-bg); }
.slides:fullscreen .slide-stage { aspect-ratio: auto; height: 100vh; border-radius: 0; }
.slides:fullscreen .slide-bar, .slides:fullscreen .filmstrip { display: none; }
/* inline players inside the original text (e.g. a talk recording inside a video entry) */
.inline-player { margin: 14px 0; padding: 12px 14px; background: var(--surface-2); border-radius: var(--radius-md); }
.inline-player .hint { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: var(--font-size-sm); margin-bottom: 8px; }
.inline-player .hint svg { width: 16px; height: 16px; }
.inline-player audio { width: 100%; display: block; }
.inline-player video { width: 100%; max-height: 70vh; display: block; border-radius: var(--radius-sm); background: var(--media-bg); }
.player > .empty { color: var(--on-media-faint); }
.audio-title { color: var(--muted); font-size: var(--font-size-sm); }