/* Keep every sign-in route close to the top, without a decorative hero. */
.signin-page{padding:36px 0 28px;background:#f5f7fa;}
.signin-page h1{font-size:clamp(28px,4vw,42px);line-height:1.15;margin:0 0 10px;}
.signin-intro{margin:0 0 24px;color:#526579;}
.signin-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.signin-options article{display:flex;flex-direction:column;align-items:flex-start;padding:24px;border:1px solid #d7e1e8;border-top:4px solid #0b2a43;border-radius:8px;background:#fff;}
.signin-options h2{font-size:23px;line-height:1.25;margin:0 0 12px;}
.signin-options p{font-size:15px;line-height:1.5;margin:0 0 20px;}
.signin-options .signin-label{font-size:12px;color:#526579;margin-bottom:10px;}
.signin-options .button{margin-top:auto;font-size:15px;padding:10px 16px;}
.signin-options .signin-hint{font-size:12px;color:#526579;margin:14px 0 0;}
.signin-help{font-size:14px;margin:22px 0 0;}
.signin-help a{text-decoration:underline;}
@media(max-width:700px){.signin-page{padding:24px 0;}.signin-options{grid-template-columns:1fr;gap:12px;}.signin-options article{padding:18px;}.signin-options h2{font-size:21px;}.signin-options p{margin-bottom:12px;}.signin-options .signin-label{display:none;}}

.signin-challenge{display:flex;align-items:center;justify-content:space-between;gap:28px;margin-top:20px;padding:26px 28px;border-radius:8px;background:#0b344d;color:#fff;border-left:4px solid #53cbe2;}
.signin-challenge h2{font-size:clamp(22px,3vw,28px);line-height:1.25;margin:0 0 8px;color:#fff;}
.signin-challenge p{margin:0;color:#d4e6f0;font-size:15px;}
.signin-challenge .signin-label{color:#91dfef;font-size:12px;font-weight:650;margin-bottom:8px;}
.signin-challenge-action{flex-shrink:0;}
.signin-challenge .button{background:#fff;border-color:#fff;color:#0b344d;font-size:15px;padding:11px 18px;}
.signin-challenge .button:hover{background:#dff5fb;border-color:#dff5fb;}
.signin-challenge-action p{font-size:12px;margin-top:10px;}
@media(max-width:700px){.signin-challenge{flex-direction:column;align-items:flex-start;gap:18px;padding:22px 18px;}.signin-challenge-action{max-width:100%;}}

.signin-tutorial{display:inline-block;margin-top:12px;color:#a4e5f1;text-underline-offset:4px;font-size:14px;}