:root{--bg:#f4f5f7;--card:#ffffff;--text:#16181d;--muted:#666c76;--border:#d8dbe0;--accent:#1f5fd6;--ok:#147a3d;--err:#c0271c;--err-bg:#fdf1f0}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}.page{min-height:100vh;display:grid;place-items:start center;padding:40px 16px}.card{width:min(640px,100%);background:var(--card);border:1px solid var(--border);border-radius:12px;padding:32px}h1{margin:0 0 4px;font-size:22px}.subtitle{margin:0 0 28px;color:var(--muted);font-size:14px}.field{margin-bottom:24px}.label{display:block;font-weight:600;margin-bottom:8px;font-size:14px}.file-input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.file-button{display:inline-block;padding:9px 16px;border:1px solid var(--border);border-radius:8px;background:#fbfbfc;cursor:pointer;font-size:14px}.file-button:hover{border-color:var(--accent)}.file-input:focus-visible+.file-button{outline:2px solid var(--accent);outline-offset:2px}.selected{margin-top:12px;font-size:14px}.selected .name{font-weight:600;word-break:break-all}.selected .size{color:var(--muted)}.radios{display:flex;gap:20px}.radios label{display:flex;align-items:center;gap:6px;cursor:pointer;font-size:14px}.primary{width:100%;padding:12px;border:0;border-radius:8px;background:var(--accent);color:#fff;font-size:15px;font-weight:600;cursor:pointer}.primary:disabled{background:#b9bfc9;cursor:not-allowed}.progress{margin-top:20px}.bar{height:8px;border-radius:99px;background:#e6e8ec;overflow:hidden}.bar>span{display:block;height:100%;background:var(--accent);transition:width .15s ease}.progress-text{margin-top:6px;font-size:13px;color:var(--muted)}.alert{margin-top:20px;padding:12px 14px;border-radius:8px;font-size:14px;border:1px solid transparent}.alert.error{background:var(--err-bg);border-color:#f0c4c0;color:var(--err)}.alert.success{background:#f1f9f4;border-color:#bfe3cd;color:var(--ok)}.alert .retry{margin-left:10px;background:none;border:0;color:inherit;font:inherit;font-weight:600;text-decoration:underline;cursor:pointer}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;word-break:break-all}.note{margin-top:28px;color:var(--muted);font-size:13px}.note,.panel{padding-top:20px;border-top:1px solid var(--border)}.panel{margin-top:24px}.panel h2{margin:0 0 12px;font-size:15px}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));grid-gap:12px;gap:12px;margin:0 0 16px}.stats dt{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.03em}.stats dd{margin:2px 0 0;font-size:17px;font-weight:600}.extract{margin:0;padding:14px;max-height:340px;overflow:auto;background:#fafbfc;border:1px solid var(--border);border-radius:8px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.6;white-space:pre-wrap;word-break:break-word}.hint{margin:12px 0 0;color:var(--muted);font-size:13px}.linkish{margin-top:10px;padding:0;background:none;border:0;color:var(--accent);font:inherit;font-size:13px;font-weight:600;text-decoration:underline;cursor:pointer}.linkish:disabled{color:var(--muted);cursor:default}