:root{--fg: #1f2328;--fg-muted: #57606a;--bg: #ffffff;--bg-subtle: #f6f8fa;--border: #d0d7de;--accent: #0969da;--accent-hover: #0550ae;--success: #1a7f37;--error: #cf222e;--radius: 6px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--fg);background:var(--bg)}*{box-sizing:border-box}body{margin:0}.app{max-width:720px;margin:0 auto;padding:24px}.app-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border);padding-bottom:16px;margin-bottom:24px}.app-header h1{font-size:20px;margin:0}.user{display:flex;gap:12px;align-items:center;color:var(--fg-muted);font-size:14px}button{background:var(--accent);color:#fff;border:none;border-radius:var(--radius);padding:8px 16px;font-size:14px;cursor:pointer}button:hover:not(:disabled){background:var(--accent-hover)}button:disabled{opacity:.5;cursor:not-allowed}.hero{padding:32px;background:var(--bg-subtle);border-radius:var(--radius)}.upload-form{display:flex;flex-direction:column;gap:16px}.upload-form label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:500}.upload-form input[type=text]{padding:8px 10px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;font-family:inherit}.upload-form input[type=text][aria-invalid=true]{border-color:var(--error)}.checkbox-row{flex-direction:row!important;align-items:center;gap:8px!important;font-weight:400!important}.drop-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:32px;text-align:center;cursor:pointer;color:var(--fg-muted)}.drop-zone.has-file{border-color:var(--accent);color:var(--fg)}.drop-zone:hover{background:var(--bg-subtle)}.progress{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--fg-muted)}.progress progress{flex:1;height:8px}.status{padding:12px;border-radius:var(--radius);font-size:14px}.status.success{background:#dafbe1;color:var(--success)}.status.error,.hint.error{color:var(--error)}.status code{background:#0000000f;padding:1px 4px;border-radius:3px;font-size:13px}.hint{font-size:12px;color:var(--fg-muted);font-weight:400}.app-footer{margin-top:40px;padding-top:16px;border-top:1px solid var(--border);color:var(--fg-muted);text-align:center}