*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0}.wrap{min-height:100dvh;align-items:center;justify-content:center;padding:24px;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:#fafafa}.form,.wrap{display:flex}.form{gap:8px;width:100%;max-width:420px}.input{flex:1 1;min-width:0;padding:12px 14px;border:1px solid #ddd;border-radius:8px;outline:none;background:#fff}.btn,.input{font-size:16px}.btn{padding:12px 18px;border:none;border-radius:8px;background:#111;color:#fff;cursor:pointer;white-space:nowrap}.btn:disabled{opacity:.6;cursor:default}@media (max-width:480px){.form{flex-direction:column;gap:10px}.btn{width:100%}}