.stfb-lab{max-width:980px;margin:24px auto;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#0b2740}.stfb-lab-card{border:1px solid #d6e4f0;border-radius:18px;padding:24px;background:linear-gradient(180deg,#fff,#fff7fb);box-shadow:0 8px 24px rgba(0,0,0,.08)}.stfb-lab h2{margin:0 0 8px;font-size:30px}.stfb-muted{color:#5f7183}.stfb-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:18px 0}.stfb-grid label{font-weight:700;font-size:14px}.stfb-grid input,.stfb-grid select{display:block;width:100%;box-sizing:border-box;margin-top:6px;padding:10px 12px;border:1px solid #cbd5df;border-radius:8px;background:#fff}.stfb-checkbox{display:flex;gap:8px;align-items:center;margin-top:28px}.stfb-checkbox input{width:auto;margin:0}.stfb-details{margin:16px 0;padding:12px;border:1px dashed #cbd5df;border-radius:10px;background:rgba(255,255,255,.7)}.stfb-note{font-size:13px;color:#6b7280}.stfb-controls,.stfb-actions{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.stfb-controls button,.stfb-actions button{border:0;border-radius:999px;background:#cc1120;color:#fff;font-weight:800;padding:12px 18px;cursor:pointer}.stfb-controls button:disabled,.stfb-actions button:disabled{opacity:.5;cursor:not-allowed}.stfb-actions button{background:#0b80c9}.stfb-meter{height:12px;background:#e5e7eb;border-radius:999px;overflow:hidden}.stfb-meter div{height:100%;width:0;background:linear-gradient(90deg,#31a9e1,#e52aa6);transition:width .08s}.stfb-status{margin:12px 0;padding:12px;border-radius:10px;background:#eef6ff}.stfb-results{margin-top:18px}.stfb-result-card{border:1px solid #d6e4f0;border-radius:14px;background:#fff;padding:16px;margin:14px 0}.stfb-result-card h3{margin:0 0 10px}.stfb-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.stfb-metric{background:#f8fafc;border-radius:8px;padding:10px;font-size:13px}.stfb-metric strong{display:block;font-size:20px}.stfb-pass{border-color:#8bd7a8;background:#f3fff7}.stfb-fail{border-color:#f1b2b2;background:#fff7f7}.stfb-raw{max-height:330px;overflow:auto;background:#0b2740;color:#fff;padding:12px;border-radius:10px;font-size:12px;white-space:pre-wrap}.stfb-word-list{font-size:13px;line-height:1.5}.stfb-denied{padding:18px;border:1px solid #f3c78a;border-radius:10px;background:#fff8e8}@media(max-width:720px){.stfb-grid,.stfb-metrics{grid-template-columns:1fr}.stfb-lab-card{padding:16px}}