:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#1f2937;background:#f5f6f8}*{box-sizing:border-box}body{margin:0;min-height:100vh}.container{width:min(100% - 32px,640px);margin:0 auto;padding:64px 0}.card,.result-card{background:#fff;border:1px solid #dfe3e8;border-radius:10px;padding:32px;box-shadow:0 2px 8px #0000000a}h1{margin-top:0;margin-bottom:12px;font-size:28px}.description{color:#6b7280;margin-bottom:32px;line-height:1.5}form{display:flex;flex-direction:column;gap:10px}label{font-weight:600;margin-top:10px}input{width:100%;padding:12px;border:1px solid #cfd4dc;border-radius:6px;font:inherit}button{margin-top:20px;padding:12px 18px;border:0;border-radius:6px;font:inherit;font-weight:600;cursor:pointer}button:disabled{cursor:wait;opacity:.6}#result{margin-top:24px}.result-card h2{margin-top:0}dl{margin:24px 0 0}dt{margin-top:18px;font-size:13px;font-weight:600;color:#6b7280}dd{margin:4px 0 0}.status{display:inline-block;padding:6px 10px;border-radius:5px;font-size:12px;font-weight:700;letter-spacing:.04em;margin-bottom:16px}.status.valid{background:#cdffd0}.status.withdrawn{background:#ffcdcd}.not-found{text-align:center}.error{border-color:#dc3545}footer{text-align:center;color:#6b7280;font-size:13px;padding-bottom:32px}