*{box-sizing:border-box}body{margin:0;min-height:100vh;background:#f3f4f6;color:#20262e;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;padding:20px 12px}.card{width:100%;max-width:400px;margin:0 auto;background:white;border:1px solid #e1e5e9;border-radius:12px;padding:20px}.field{display:flex;flex-direction:column;gap:5px;margin-bottom:12px}.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}label{font-size:13px;font-weight:500}label span{color:#b91c1c}input{width:100%;min-width:0;height:42px;padding:0 10px;border:1px solid #cbd2da;border-radius:6px;background:white;color:#20262e;font:16px -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}input::placeholder{color:#7b8591;font-size:14px}input:focus{outline:2px solid #2563eb;outline-offset:1px}input[aria-invalid=true]{border-color:#b91c1c}.error{font-size:12px;color:#b91c1c;line-height:1.4}button{width:100%;min-height:42px;border:0;border-radius:6px;padding:10px 14px;background:#059669;color:white;font:600 14px -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;cursor:pointer}button:hover{background:#047857}button:disabled{opacity:.6;cursor:wait}button:focus-visible{outline:2px solid #2563eb;outline-offset:3px}.alert{padding:10px 12px;border-radius:6px;margin:0 0 12px;font-size:13px;line-height:1.5;background:#ecfdf5;color:#065f46}.failure{background:#fef2f2;color:#b91c1c}dialog{width:calc(100% - 32px);max-width:300px;border:0;border-radius:12px;padding:24px;text-align:center;box-shadow:0 16px 50px #0003}dialog::backdrop{background:#11182770}dialog h2{font-size:22px;margin:0 0 8px}dialog p{font-size:14px;color:#59636f;margin:0 0 20px}@media(max-width:420px){body{padding:12px}.card{padding:16px}}