* { box-sizing: border-box; }
body.sms-page { margin: 0; min-height: 100vh; padding: 48px 20px; display: flex; align-items: center; justify-content: center; font-family: Inter, sans-serif; color: #0a192f; background: linear-gradient(135deg, #f8fafc, #eff6ff); }
.sms-page .hero-auth { margin: auto; }
.sms-page .hero-auth-heading img { display: block; max-width: 100%; height: auto; }
.sms-page .hero-auth-heading a { flex: 0 0 110px; }
.sms-page .hero-auth-heading h2 { line-height: 1.4; }
.sms-page .sms-notice { margin: 0; color: #64748b; font-size: .85rem; line-height: 1.6; overflow-wrap: anywhere; }
.sms-page .sms-notice strong { color: #334155; }
.sms-page #error, .sms-page #status { padding: 12px; border-radius: 8px; font-size: .85rem; line-height: 1.5; margin: 0 0 16px; }
.sms-page #error { background: #fef2f2; color: #b91c1c; }
.sms-page #status { background: #eff6ff; color: #1e40af; }
.sms-page #challenge:not(:empty) { margin-bottom: 16px; }
.sms-page #code { letter-spacing: .35em; font-size: 1.2rem; }
.sms-page .sms-secondary { border: 1px solid #e2e8f0; border-radius: 10px; padding: 12px; color: #334155; background: #f8fafc; font: 500 .85rem Inter, sans-serif; cursor: pointer; }
.sms-page .sms-link { border: 0; padding: 5px; background: transparent; color: #2563eb; font: 500 .85rem Inter, sans-serif; cursor: pointer; }
.sms-page button:disabled { opacity: .6; cursor: wait; }
.sms-page .sms-nav { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 24px; padding-top: 20px; border-top: 1px solid #e2e8f0; }
.sms-page .sms-nav a { color: #2563eb; font-size: .8rem; text-decoration: none; }
.sms-page .sms-nav a:hover { text-decoration: underline; }
.sms-page .sms-done { display: block; text-align: center; text-decoration: none; }
.sms-page .sms-honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
@media (max-width: 480px) { body.sms-page { padding: 24px 16px; } .sms-page .hero-auth-heading a { flex-basis: 90px; } }