:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color-scheme:light;--bg:#f7f8fc;--surface:#fff;--ink:#20273b;--muted:#5f6b82;--line:#e1e6ef;--accent:#4259e9;--soft:#edf0ff;--error:#a72d42;--shadow:0 4px 18px #20273b0a;background:var(--bg);color:var(--ink)}
@media(prefers-color-scheme:dark){:root{color-scheme:dark;--bg:#111827;--surface:#1d2738;--ink:#f2f5fa;--muted:#b2bfd1;--line:#3b4960;--accent:#a9bbff;--soft:#313e61;--error:#ffacb7;--shadow:none}}
*{box-sizing:border-box}body{margin:0;font-size:16px;line-height:1.6}button,input,select,textarea{font:inherit;color:inherit}button,a,input,select,textarea{touch-action:manipulation}button,a{transition:background .15s,color .15s}button{cursor:pointer}a{color:var(--accent);text-underline-offset:3px}button:disabled{cursor:wait;opacity:.55}button,input,select{min-height:44px}button,input,select,textarea{border:1px solid var(--line);border-radius:10px;background:var(--surface)}button{padding:9px 16px}button:hover:not(:disabled){background:var(--soft)}:focus-visible{outline:3px solid var(--accent);outline-offset:3px}input,textarea,select{padding:10px 12px;max-width:100%;min-width:0}textarea{resize:vertical;width:100%;min-height:220px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:14px;line-height:1.65}input[type=checkbox]{width:20px;height:20px;min-height:0;accent-color:var(--accent)}input[type=file]{width:100%;border-style:dashed;padding:20px;background:var(--bg)}[hidden]{display:none!important}
.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1360px)/2));border-bottom:1px solid var(--line);background:var(--surface);gap:16px}.brand{font-weight:800;letter-spacing:.06em;color:var(--ink);text-decoration:none}.toplinks{display:flex;align-items:center;gap:24px;font-size:14px}.toplinks a{padding:12px 0;text-decoration:none}.skip{position:absolute;top:-80px;left:16px;background:var(--surface);padding:12px;z-index:3}.skip:focus{top:10px}.page{max-width:1360px;margin:auto;padding:36px 24px 48px}.eyebrow{font-size:12px;letter-spacing:.13em;color:var(--muted);font-weight:700;margin:0 0 8px}.heading{display:flex;justify-content:space-between;gap:24px;align-items:flex-end;margin-bottom:28px}h1{font-size:32px;line-height:1.25;margin:0 0 12px;font-weight:750;letter-spacing:-.03em}h2{font-size:21px;margin:0}p{margin:8px 0}.subtitle{color:var(--muted);max-width:740px}.count{white-space:nowrap;font-size:13px;border:1px solid var(--line);border-radius:30px;padding:7px 14px;background:var(--surface)}.layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:24px;align-items:start}.sidebar{position:sticky;top:16px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px;max-height:calc(100vh - 32px);overflow:auto}.sidebar label{font-size:12px;color:var(--muted)}.sidebar input{width:100%;margin:4px 0 12px}.toolnav{display:flex;flex-direction:column;gap:3px}.toolnav a{padding:10px 12px;color:var(--muted);border-radius:9px;text-decoration:none;line-height:1.4;font-size:14px;min-height:44px;display:flex;align-items:center}.toolnav a:hover,.toolnav a[aria-current]{background:var(--soft);color:var(--accent)}.toolnav a[aria-current]{font-weight:700}.workspace{min-width:0}.panel{border:1px solid var(--line);background:var(--surface);border-radius:16px;box-shadow:var(--shadow);padding:24px;margin-bottom:20px}.panelhead{display:flex;gap:16px;justify-content:space-between;align-items:center;margin-bottom:16px}.hint{color:var(--muted);font-size:14px;line-height:1.7}.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:20px}.field{display:flex;flex-direction:column;gap:7px;min-width:0}.field>span{font-weight:600;font-size:14px}.field.wide{grid-column:1/-1}.field.toggle{flex-direction:row;align-items:center;min-height:44px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.primary{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:650}.primary:hover:not(:disabled){background:#3448cb;color:#fff}.status{min-height:28px;margin:12px 0 0;font-size:14px;color:var(--muted);overflow-wrap:anywhere}.status.error{color:var(--error)}.result-files{display:flex;flex-wrap:wrap;gap:10px}.download{display:inline-flex;align-items:center;min-height:44px;border:1px solid var(--line);padding:8px 14px;border-radius:10px;text-decoration:none;overflow-wrap:anywhere;max-width:100%}.preview{display:block;max-width:100%;max-height:520px;margin:16px auto;object-fit:contain;border-radius:8px;background:var(--bg)}.preview audio{width:100%}.preview-frame{width:100%;min-height:340px;border:1px solid var(--line);background:white;border-radius:10px}.scroll-table{overflow:auto;max-height:520px}table{border-collapse:collapse;width:100%;font-size:14px}th,td{border-bottom:1px solid var(--line);padding:10px;text-align:left;white-space:pre-wrap;max-width:300px;overflow-wrap:anywhere}th{background:var(--bg);position:sticky;top:0}details{margin:6px 0 6px 16px;overflow-wrap:anywhere}summary{cursor:pointer;min-height:32px}pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px}.footer{padding:24px 0;border-top:1px solid var(--line);color:var(--muted);font-size:13px;display:flex;justify-content:space-between;gap:16px}.empty{color:var(--muted);padding:18px 0}.group-links{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:24px;font-size:14px}.progress{width:100%;margin-top:12px;height:8px;accent-color:var(--accent)}
@media(prefers-color-scheme:dark){.primary{color:#121b33}.primary:hover:not(:disabled){background:#c6d1ff;color:#121b33}}
@media(max-width:800px){.layout{grid-template-columns:1fr}.sidebar{position:static;max-height:none}.toolnav{max-height:180px;overflow:auto;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.heading{align-items:flex-start}.count{display:none}.page{padding-top:24px}.topbar{height:64px}.toplinks{gap:16px}.panel{padding:20px}.fields{gap:12px}}
@media(max-width:420px){.page{padding:24px 14px}.topbar{padding:0 14px}.toplinks{font-size:13px;gap:12px}.fields{grid-template-columns:1fr}.field{grid-column:1/-1}.panel{padding:16px}.toolnav{grid-template-columns:1fr}.heading h1{font-size:28px}.footer{flex-direction:column;align-items:flex-start}.actions button{flex:1}input[type=file]{padding:12px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}