:root{--bg:#07111f;--card:#0f1d33;--card2:#122641;--text:#eef6ff;--muted:#a8bdd5;--line:rgba(255,255,255,.12);--accent:#4cc9f0;--good:#80ed99;--bad:#ff6b6b;--warn:#ffd166}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:radial-gradient(circle at top,#18385e 0,#07111f 45%,#040914 100%);color:var(--text);min-height:100vh}.decoder-shell{width:min(1180px,94vw);margin:0 auto;padding:32px 0}.hero-card,.panel{background:linear-gradient(135deg,rgba(18,38,65,.94),rgba(8,18,32,.94));border:1px solid var(--line);border-radius:22px;box-shadow:0 18px 55px rgba(0,0,0,.28);padding:24px;margin:0 0 18px}.hero-card{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.eyebrow{margin:0 0 8px;color:var(--accent);font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-size:.78rem}h1{margin:0 0 10px;font-size:clamp(2rem,4vw,4rem);line-height:1.02}h2{margin:0;font-size:1.15rem}.lead{margin:0;color:var(--muted);font-size:1.05rem;max-width:850px;line-height:1.55}.status-pill{white-space:nowrap;border:1px solid var(--line);background:rgba(255,255,255,.06);border-radius:999px;padding:10px 14px;color:var(--text);font-weight:700}.notice-panel{border-color:rgba(255,209,102,.4);background:rgba(255,209,102,.08);line-height:1.5}.grid-two{display:grid;grid-template-columns:1fr 1fr;gap:18px}.controls{display:flex;gap:10px;flex-wrap:wrap}label{display:block;margin:0 0 8px;font-weight:800}select,input,textarea,button{font:inherit}select,input{width:100%;border:1px solid var(--line);border-radius:14px;background:#08182b;color:var(--text);padding:12px 13px}textarea{width:100%;min-height:180px;border:1px solid var(--line);border-radius:16px;background:#061326;color:var(--text);padding:14px;resize:vertical;line-height:1.45}button{border:0;border-radius:999px;padding:12px 16px;background:rgba(255,255,255,.12);color:var(--text);font-weight:800;cursor:pointer}button:hover{filter:brightness(1.1)}button:disabled{opacity:.55;cursor:not-allowed}.primary{background:linear-gradient(135deg,#4cc9f0,#4361ee)}.success{background:linear-gradient(135deg,#2dd4bf,#16a34a)}.hint{margin:8px 0 0;color:var(--muted);font-size:.92rem;line-height:1.4}.meters{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}.meter-label{display:flex;justify-content:space-between;gap:10px;margin-bottom:8px;color:var(--muted)}.meter-label strong{color:var(--text)}.meter{height:12px;background:rgba(255,255,255,.09);border-radius:999px;overflow:hidden}.meter span{display:block;height:100%;width:0;background:linear-gradient(90deg,#4cc9f0,#80ed99);border-radius:999px;transition:width .12s ease}.visual-panel{padding:10px}canvas{width:100%;height:210px;display:block;border-radius:18px;background:#040914}.transcript-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.transcript-header span{color:var(--muted);font-weight:700}.raw-line{margin-top:12px;color:var(--muted)}.help-panel p{color:var(--muted);line-height:1.55}.error-box{white-space:pre-wrap;color:#fff;background:rgba(255,107,107,.14);border:1px solid rgba(255,107,107,.4);border-radius:14px;padding:12px}.error-box:not([hidden]){display:block}@media(max-width:760px){.hero-card,.grid-two,.meters{grid-template-columns:1fr;display:grid}.hero-card{display:block}.status-pill{display:inline-block;margin-top:16px;white-space:normal}.decoder-shell{padding:18px 0}.panel,.hero-card{padding:18px}.controls button{width:100%}}