*{box-sizing:border-box}body{margin:0;background:#f4f7fc;color:#142441;font:15px system-ui,sans-serif}header{background:#083fb4;border-bottom:3px solid #ffdf00;display:flex;justify-content:space-between;align-items:center;padding:16px 24px}header a{color:white;text-decoration:none;font-weight:750}header a:first-child{font-size:25px}header span{color:#ffdf00}main{width:min(430px,calc(100% - 28px));margin:40px auto;background:white;border:1px solid #d9e2f1;border-radius:14px;padding:26px;box-shadow:0 8px 30px #1536630d}h1{margin:0 0 22px;font-size:25px}form,label{display:grid;gap:9px}form{gap:16px}input{width:100%;padding:12px;border:1px solid #b9c8df;border-radius:7px;font:inherit}button{padding:12px;border:0;border-radius:7px;background:#0841b7;color:white;font:inherit;font-weight:700;cursor:pointer}button:disabled{opacity:.6}#switch{background:#edf3ff;color:#0841b7}#error{color:#b91c1c;margin:0}#error:empty{display:none}[hidden]{display:none!important}@media(max-width:480px){main{margin:22px auto;padding:20px}header{padding:13px 16px}}

/* Light sign-in card with a compact Coin offer. */
body{background:#f3f7ff;color:#10233e}main{border-radius:18px;border:1px solid #d9e3f2;box-shadow:0 12px 40px #102e600b;padding:28px}main h1{font-size:24px;letter-spacing:-.5px;margin-bottom:14px}.offer{margin:0 0 22px;padding:13px 14px;border:1px solid #eee1a1;border-radius:10px;background:#fffbea;color:#52617a;font-size:13px;line-height:1.5}.offer span{display:block;color:#84620b;font-size:11px;font-weight:800;letter-spacing:.6px;margin-bottom:3px}#authForm label{font-size:13px;font-weight:650;color:#334b69}#authForm input{background:#fbfcff;border:1px solid #ccd8e8;border-radius:9px;font-size:16px;padding:12px}#submit{border-radius:9px;min-height:44px;background:#0641ad}input:focus-visible{outline:2px solid #aac7f3;outline-offset:1px}@media(max-width:480px){main{padding:22px;margin:24px auto}.offer{margin-bottom:18px}}

#authForm input.invalid{border-color:#dc2626;background:#fffafa;outline-color:#fca5a5}.field-error{font-size:12px;font-weight:500;color:#b42318;line-height:1.4}.field-error:empty{display:none}