:root { color-scheme: light; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; color: #182a36; background: #eef2f5; }
* { box-sizing: border-box; letter-spacing: 0; }
body { margin: 0; min-height: 100dvh; display: grid; align-content: center; justify-items: center; padding: 24px 16px; }
.signin { width: min(100%, 480px); background: #fff; border: 1px solid #d5dfe6; border-top: 5px solid #efbc48; border-radius: 8px; padding: 32px; box-shadow: 0 8px 32px #173f7010; }
.brand { display: flex; gap: 12px; align-items: center; margin-bottom: 28px; font-weight: 700; font-size: 20px; color: #173f70; text-decoration: none; }
.brand img { border-radius: 8px; }
h1 { font-size: 27px; line-height: 1.2; margin: 0 0 14px; overflow-wrap: anywhere; }
p { font-size: 15px; line-height: 1.6; color: #526371; margin: 12px 0 20px; overflow-wrap: anywhere; }
.method, .note { font-size: 13px; }
label { display: block; font-size: 14px; font-weight: 600; margin: 18px 0 7px; }
label span { font-weight: 400; color: #617481; }
input { width: 100%; border: 1px solid #bdcdd8; border-radius: 6px; padding: 11px 12px; min-height: 46px; font: inherit; font-size: 16px; background: #fff; color: #182a36; }
input:focus-visible, .button:focus-visible, .text-link:focus-visible { outline: 3px solid #5e9ccb; outline-offset: 2px; }
.code { font-size: 24px; text-align: center; font-variant-numeric: tabular-nums; }
.button { width: 100%; min-height: 46px; display: flex; align-items: center; justify-content: center; gap: 10px; padding: 12px; margin-top: 20px; border: 1px solid #bdcdd8; border-radius: 6px; text-decoration: none; color: #182a36; background: #fff; font: inherit; font-size: 15px; font-weight: 600; text-align: center; cursor: pointer; }
.primary { background: #173f70; color: #fff; border-color: #173f70; }
.primary:hover { background: #22568e; }
button:disabled { opacity: .6; cursor: wait; }
.text-link { display: block; width: 100%; border: 0; background: transparent; margin-top: 18px; padding: 3px 0; font: inherit; font-size: 14px; text-align: center; color: #173f70; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.muted { color: #526371; }
.separator { display: flex; align-items: center; gap: 12px; color: #526371; font-size: 13px; margin-top: 26px; }
.separator::before, .separator::after { content: ""; flex: 1; height: 1px; background: #d5dfe6; }
.error { padding: 12px; background: #fff0ef; border: 1px solid #e5b0aa; border-radius: 6px; color: #8e3029; line-height: 1.5; font-size: 14px; overflow-wrap: anywhere; }
footer { font-size: 13px; color: #617481; margin-top: 24px; }
@media (max-width: 520px) { body { align-content: start; padding-top: 20px; } .signin { padding: 24px 20px; } h1 { font-size: 25px; } }