:root{--bg: #0b0d12;--bg-soft: #12151d;--panel: #161a24;--line: #272d3a;--text: #e8ebf2;--muted: #939cb0;--accent: #7c5cff;--accent-soft: #a78bfa;--ok: #34d399;--warn: #fbbf24;--err: #f87171;--radius: 14px;color-scheme:dark light}@media(prefers-color-scheme:light){:root{--bg: #f5f6fa;--bg-soft: #ffffff;--panel: #ffffff;--line: #e2e5ee;--text: #14171f;--muted: #667085;--accent: #6742f5;--accent-soft: #7c5cff}}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;min-height:100vh;display:grid;place-items:start center;padding:clamp(1.5rem,5vw,4rem) 1rem;background:radial-gradient(60rem 30rem at 50% -10rem,color-mix(in srgb,var(--accent) 18%,transparent),transparent),var(--bg);color:var(--text);font:15px/1.55 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.app{width:100%;max-width:40rem}.head{text-align:center;margin-bottom:2rem}.head h1{margin:0 0 .35rem;font-size:clamp(1.9rem,6vw,2.6rem);letter-spacing:-.03em}.arrow{color:var(--accent-soft)}.sub{margin:0;color:var(--muted);font-size:.95rem}.sub strong{color:var(--text);font-weight:600}.badge{display:inline-block;margin-top:.9rem;padding:.2rem .65rem;border:1px solid var(--line);border-radius:999px;background:var(--bg-soft);color:var(--muted);font-size:.78rem}.drop{display:grid;place-items:center;gap:.35rem;padding:3rem 1.5rem;border:1.5px dashed var(--line);border-radius:var(--radius);background:var(--bg-soft);cursor:pointer;text-align:center;transition:border-color .15s,background .15s,transform .15s}.drop:hover,.drop:focus-visible{border-color:var(--accent);outline:none}.drop.over{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,var(--bg-soft));transform:scale(1.01)}.drop-icon{width:2.25rem;height:2.25rem;fill:none;stroke:var(--accent-soft);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.drop-title{margin:.5rem 0 0;font-weight:600}.drop-hint{margin:0;color:var(--muted);font-size:.85rem}.panel{display:grid;gap:1.1rem;padding:1.25rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}.file-row{display:flex;align-items:center;gap:1rem}.file-meta{min-width:0;flex:1}.file-name{margin:0;font-weight:600;overflow-wrap:anywhere}.file-size{margin:.15rem 0 0;color:var(--muted);font-size:.85rem}.field{display:grid;gap:.4rem}.field label{color:var(--muted);font-size:.85rem}select{width:100%;padding:.65rem .75rem;border:1px solid var(--line);border-radius:10px;background:var(--bg-soft);color:var(--text);font:inherit}select:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.actions{display:flex;gap:.65rem}.btn{flex:1;display:inline-grid;place-items:center;padding:.75rem 1rem;border:0;border-radius:10px;background:var(--accent);color:#fff;font:inherit;font-weight:600;text-decoration:none;cursor:pointer;transition:filter .15s}.btn:hover{filter:brightness(1.1)}.btn:disabled{opacity:.5;cursor:not-allowed;filter:none}.btn-ghost{padding:.75rem 1rem;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--muted);font:inherit;cursor:pointer}.btn-ghost:hover{color:var(--text);border-color:var(--accent)}.progress-wrap{display:grid;gap:.5rem}.progress{height:6px;border-radius:999px;background:var(--line);overflow:hidden}.bar{height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--accent-soft));transition:width .2s ease-out}.bar.indeterminate{width:35%;animation:slide 1.2s ease-in-out infinite}@keyframes slide{0%{transform:translate(-100%)}to{transform:translate(300%)}}.status{margin:0;color:var(--muted);font-size:.85rem}.result{display:grid;gap:.75rem;padding:1rem;border:1px solid color-mix(in srgb,var(--ok) 35%,var(--line));border-radius:12px;background:color-mix(in srgb,var(--ok) 7%,transparent)}.result-title{margin:0;font-weight:600;overflow-wrap:anywhere}.result-meta{margin:.15rem 0 0;color:var(--muted);font-size:.85rem}audio{width:100%}.warn,.error{margin:0;padding:.7rem .85rem;border-radius:10px;font-size:.87rem}.warn{border:1px solid color-mix(in srgb,var(--warn) 40%,var(--line));background:color-mix(in srgb,var(--warn) 10%,transparent)}.error{border:1px solid color-mix(in srgb,var(--err) 45%,var(--line));background:color-mix(in srgb,var(--err) 10%,transparent);overflow-wrap:anywhere}.log-box{color:var(--muted);font-size:.85rem}.log-box summary{cursor:pointer}.log-box pre{max-height:12rem;margin:.5rem 0 0;padding:.65rem;border-radius:8px;background:var(--bg);font-size:.75rem;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere}.foot{margin-top:1.75rem;color:var(--muted);font-size:.8rem;text-align:center}.foot a{color:var(--accent-soft)}@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}