:root{color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;font-weight:400}*{box-sizing:border-box}body{margin:0;background:#f5f7fb;color:#111827}.page{max-width:840px;margin:0 auto;padding:24px;display:grid;gap:16px}.panel{background:#fff;border-radius:12px;padding:20px;box-shadow:0 4px 16px #11182714}.muted{color:#4b5563;margin-top:0}.form{display:grid;gap:10px}input{border:1px solid #d1d5db;border-radius:8px;padding:10px 12px;font-size:16px}button{border:none;border-radius:8px;padding:10px 12px;background:#2563eb;color:#fff;font-size:14px;font-weight:600;cursor:pointer}button[disabled]{opacity:.65;cursor:not-allowed}.actions{display:flex;gap:8px}.error{color:#b91c1c;font-weight:600}