.file-preview{display:flex;flex-direction:column;min-width:0;min-height:0;height:100%;overflow:hidden;color:var(--ink);background:var(--base);font-size:15px}
.file-preview [hidden]{display:none!important}
.fp-toolbar{display:flex;align-items:center;justify-content:space-between;min-height:48px;flex:none;padding:8px 20px;gap:12px;border-bottom:1px solid var(--line);background:var(--surface)}
.fp-switch{display:flex;gap:4px;align-items:center}.fp-switch button,.fp-button{border:0;border-radius:6px;min-height:32px;padding:6px 10px;font-size:14px;background:none;color:var(--muted);cursor:pointer}.fp-switch button.is-selected{color:var(--ink);background:var(--base)}.fp-switch button:hover,.fp-button:hover{color:var(--ink);background:var(--base)}.fp-button{display:inline-flex;align-items:center;justify-content:center;gap:8px}.fp-button svg{width:18px;height:18px}.fp-metadata{font-size:14px;line-height:1.5;color:var(--muted);font-variant-numeric:tabular-nums;margin:0}
.fp-scroll{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;background:var(--bg)}
.fp-markdown{padding:28px 32px 48px;font-size:15px;line-height:1.85;overflow-wrap:anywhere;max-width:800px;margin:0 auto;color:var(--ink)}.fp-markdown>:first-child{margin-top:0}.fp-markdown h1,.fp-markdown h2,.fp-markdown h3,.fp-markdown h4,.fp-markdown h5,.fp-markdown h6{color:var(--ink);font-weight:600;line-height:1.5;margin:28px 0 12px}.fp-markdown h1{font-size:24px;letter-spacing:-.4px}.fp-markdown h2{font-size:20px}.fp-markdown h3{font-size:17px}.fp-markdown h4,.fp-markdown h5,.fp-markdown h6{font-size:15px}.fp-markdown p{margin:0 0 16px}.fp-markdown ul,.fp-markdown ol{padding-left:24px;margin:12px 0 20px}.fp-markdown li{margin:6px 0}.fp-markdown li>p{margin:0}.fp-markdown blockquote{margin:20px 0;padding:2px 0 2px 16px;border-left:3px solid var(--line);color:var(--muted)}.fp-markdown blockquote p:last-child{margin:0}.fp-markdown a{color:var(--ink);text-decoration:underline;text-underline-offset:3px}.fp-markdown code,.fp-source{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px}.fp-markdown :not(pre)>code{background:var(--base);padding:2px 5px;border-radius:4px}.fp-markdown pre{padding:16px;background:var(--base);overflow:auto;border-radius:6px;margin:16px 0 24px;line-height:1.7}.fp-markdown pre code{white-space:pre}.fp-markdown img{display:block;max-width:100%;height:auto;margin:20px auto}.fp-markdown table{border-collapse:collapse;width:100%;margin:20px 0;font-size:14px}.fp-markdown th,.fp-markdown td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}.fp-markdown th{font-weight:600;background:var(--surface)}.fp-markdown hr{border:0;border-top:1px solid var(--line);margin:28px 0}.fp-source{padding:24px;margin:0;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere;color:var(--ink)}
.fp-image-stage{flex:1;min-height:0;overflow:auto;padding:24px;display:flex;align-items:center;justify-content:center;scrollbar-width:thin;overscroll-behavior:contain}.fp-image{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;cursor:zoom-in;box-shadow:0 2px 14px #0000000a}.fp-image-stage.is-zoomed{display:block}.fp-image-stage.is-zoomed .fp-image{width:100%;height:auto;max-height:none;max-width:none;cursor:zoom-out}
.fp-media-stage{flex:1;min-height:0;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:20px;padding:24px;overflow:auto}.fp-media{display:block;max-width:100%;flex:none}.fp-video-stage video{width:100%;max-height:calc(100% - 44px);background:#111;border-radius:6px}.fp-audio-stage audio{width:min(100%,420px)}.fp-audio-icon{display:grid;place-items:center;width:80px;height:80px;color:var(--muted);margin-bottom:8px}.fp-audio-icon svg{width:52px;height:52px;stroke-width:1.2}.fp-empty,.fp-loading{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:16px;flex:1;padding:32px;text-align:center;color:var(--muted);font-size:14px}.fp-empty p{margin:0}.fp-empty-icon svg{width:36px;height:36px;stroke-width:1.3}.fp-empty .fp-button{color:var(--ink);background:var(--surface);padding:8px 14px}
@media(max-width:700px){.fp-toolbar{padding:8px 16px;min-height:44px}.fp-markdown{padding:24px 20px 40px}.fp-markdown h1{font-size:22px}.fp-markdown h2{font-size:19px}.fp-markdown table{display:block;overflow:auto;white-space:normal}.fp-markdown th,.fp-markdown td{min-width:100px;padding:8px}.fp-image-stage{padding:16px}.fp-media-stage{padding:16px;gap:16px}.fp-source{padding:20px;font-size:14px}}
/* Each host owns its zoom, scroll, and media playback; only image resources are shared. */
.fp-loading{background:none;border:0;box-shadow:none}.fp-loading-avatar{width:38px;height:38px;object-fit:contain;flex:none;animation:fp-breathe 1.8s ease-in-out infinite}.fp-pdf{flex:1;min-height:0;width:100%;border:0;background:var(--bg)}
@keyframes fp-breathe{0%,100%{opacity:.65;transform:scale(.96)}50%{opacity:1;transform:scale(1)}}
@media(prefers-reduced-motion:reduce){.fp-loading-avatar{animation:none}}