:root{--text:#111;--muted:#333;--bg:#fff;--accent:#0b4f8a;--accent-hover:#083b68;--green:#1d6b3a;--green-hover:#155129;--border:#5a6470;--soft:#f3f6f9;--error:#a4161a;--focus:#f2a900;color:var(--text);background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;font-size:20px;line-height:1.5}*{box-sizing:border-box}body{background:var(--bg);margin:0}main,footer{max-width:720px;margin:0 auto;padding:0 16px}h1{text-align:center;margin:2rem 0 .5rem;font-size:2rem;line-height:1.2}h2{margin:0 0 .5rem;font-size:1.25rem}.lead{text-align:center;color:var(--muted);margin:0 0 2rem;font-size:1.1rem}.drop-zone{border:4px dashed var(--border);text-align:center;background:var(--soft);border-radius:16px;padding:3rem 1rem}.drop-zone.dragging{border-color:var(--accent);background:#e3eef8}.drop-hint{color:var(--muted);margin:1rem 0 0;font-size:1.1rem}.big-button{font:inherit;color:#fff;background:var(--accent);cursor:pointer;border:none;border-radius:12px;max-width:100%;padding:1rem 1.75rem;font-size:1.25rem;font-weight:700}.big-button:hover{background:var(--accent-hover)}.big-button:disabled{opacity:.6;cursor:wait}.big-button.download{background:var(--green);width:100%;padding:1.25rem;font-size:1.5rem}.big-button.download:hover{background:var(--green-hover)}button:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:4px solid var(--focus);outline-offset:3px}.progress-area{margin:2rem 0}progress{width:100%;height:1.75rem;accent-color:var(--accent)}.progress-text{margin:.5rem 0 0;font-size:1.15rem}.error-area{border:3px solid var(--error);background:#fff5f5;border-radius:12px;margin:2rem 0;padding:1rem 1.25rem}.error-area p{margin:0 0 .5rem;font-weight:600}.error-area pre{white-space:pre-wrap;word-break:break-word;max-height:20rem;font-size:.8rem;overflow:auto}.result-area{margin:2rem 0}.summary-list{margin:1.5rem 0;padding:0;font-size:1.15rem;list-style:none}.summary-list li{padding:.2rem 0}.more-details{margin:1rem 0 2rem}.more-details summary,.advanced summary,.error-area summary{cursor:pointer;font-weight:600}.report-text{white-space:pre-wrap;word-break:break-word;background:var(--soft);border-radius:8px;max-height:24rem;padding:.75rem;font-size:.75rem;overflow:auto}.link-button{font:inherit;color:var(--accent);cursor:pointer;background:0 0;border:none;padding:.25rem 0;text-decoration:underline}.next-box{border:2px solid var(--border);background:var(--soft);border-radius:12px;padding:1rem 1.25rem}.next-box ol{margin:0;padding-left:1.5rem}.next-box li{margin:.5rem 0}.prompt-text{width:100%;font:inherit;border:2px solid var(--border);resize:vertical;color:var(--text);background:#fff;border-radius:8px;margin:.5rem 0;padding:.5rem;font-size:.9rem;display:block}.copy-button{font:inherit;border:2px solid var(--accent);color:var(--accent);cursor:pointer;background:#fff;border-radius:10px;padding:.5rem 1.5rem;font-weight:700}.copy-button:hover{background:#e3eef8}footer{color:var(--muted);border-top:1px solid #ccc;margin:3rem auto 2rem;padding-top:1rem;font-size:.95rem}footer select{font:inherit;margin-left:.5rem;padding:.25rem}[hidden]{display:none!important}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}