:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#16384a;background:#edf4f8;font-size:15px}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;padding:28px 16px}.signin-card{width:min(100%,460px);padding:32px;background:white;border:1px solid #dce7ee;border-radius:18px;box-shadow:0 18px 54px #13384a12}header{display:flex;gap:14px;align-items:center;margin-bottom:20px}header strong{font-size:20px}header p{margin:4px 0 0;color:#627985;font-size:13px}.brand-mark{display:grid;place-items:center;width:52px;height:52px;background:#155e75;border-radius:13px;color:white;font-size:16px;font-weight:750}.languages{display:flex;justify-content:flex-end;gap:8px;margin:8px 0 24px}button,a{font:inherit}button{cursor:pointer;border:1px solid #c7d7e0;border-radius:7px;background:#fff;color:#155e75;padding:10px 14px}.languages button{font-size:12px;padding:6px 10px}.languages button[aria-pressed=true]{background:#e5f3f8;border-color:#155e75}h1{font-size:27px;margin:0 0 10px}p{line-height:1.55}label{display:block;margin:19px 0 7px;font-weight:600;font-size:13px}input{width:100%;font:inherit;padding:12px;border:1px solid #bbcdd7;border-radius:7px;color:#153747;background:#fff}input:focus,button:focus-visible,a:focus-visible{outline:3px solid #7dd3fc;outline-offset:2px}.primary{width:100%;background:#155e75;color:white;border:0;margin-top:24px;font-weight:650;padding:13px}button:disabled{cursor:wait;opacity:.6}#auth-error{background:#fff1f0;color:#8e2222;padding:12px;border-radius:7px}#auth-status,.muted{color:#59717f;font-size:12px}footer{margin-top:25px;border-top:1px solid #e5edf2;padding-top:18px;font-size:12px;line-height:1.6;color:#59717f}#back-to-app{display:block;margin-top:15px;color:#155e75}[hidden]{display:none!important}@media(max-width:480px){.signin-card{padding:24px}}

/* R12 Microsoft entry retains native keyboard and focus navigation. */
.microsoft-button{display:flex;align-items:center;justify-content:center;min-height:46px;padding:10px 16px;background:#17364d;color:white;text-decoration:none;border:2px solid #17364d;border-radius:8px;font-weight:700;margin:20px 0 8px}
.microsoft-button:hover{background:#24516e}.microsoft-button:focus-visible{outline:3px solid #d08700;outline-offset:3px}
[hidden]{display:none!important}