body{margin:0;background:#0f172a;color:#e2e8f0;font-family:system-ui}.app{max-width:900px;margin:auto;padding:2rem 1.5rem}textarea{width:100%;min-height:120px;padding:.8rem;background:#1e293b;border:1px solid #334155;color:#f1f5f9;border-radius:8px;margin-bottom:1rem;line-height:1.5}.controls{display:flex;gap:.75rem;flex-wrap:wrap;margin-bottom:1.5rem}select,button{padding:.6rem .9rem;border-radius:6px;border:none}button{cursor:pointer;background:#3b82f6;color:#fff}.columns{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}.panel{background:#1e293b;padding:1rem;border-radius:10px}.highlight{background:#f472b640;padding:0 4px;border-radius:3px}.badge{padding:2px 8px;border-radius:6px}.badge.Clear{background:#16a34a4d}.badge.Mixed{background:#eab3084d}.badge.Heavy{background:#dc26264d}.rewrite{background:#0f172a;padding:.8rem;border-radius:8px}.placeholder{color:#64748b}