/* Страницы входа, второго фактора и смены пароля. КЛ-45 (26.09): гайдлайн МК1 — палитра «Сибирь AI»,
   шрифт Onest файлом из static/fonts, светлая тема по умолчанию и тёмная по настройке системы. */
@font-face { font-family: "Onest"; src: url("/app/static/fonts/Onest.woff2") format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("/app/static/fonts/JetBrainsMono.woff2") format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }
:root {
  color-scheme: light dark;
  --bg: #F5F8FA; --surface: #FFFFFF; --surface-2: #F7FAFC; --surface-3: #EEF3F7; --text: #0E1B26; --muted: #546A7B;
  --line: #DCE5EC; --border: #76899C; --brand: #006D8F; --brand-strong: #005670; --brand-ink: #FFFFFF; --focus: #215FBE;
  --danger: #C6402F; --danger-soft: #FDF1EF; --shadow: 0 14px 40px rgb(14 27 38 / 12%);
  font-family: "Onest", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text); background: var(--bg);
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0A1118; --surface: #121B26; --surface-2: #16212E; --surface-3: #192432; --text: #F2F7FB; --muted: #8FA3B5;
    --line: #1F2C3A; --border: #57718A; --brand: #5FCBEC; --brand-strong: #8ADCF4; --brand-ink: #04121E; --focus: #4E9CF5;
    --danger: #FF7A6B; --danger-soft: #3A1E1C; --shadow: 0 18px 50px rgb(0 0 0 / 45%); }
}
* { box-sizing:border-box; }
body { min-height:100vh; margin:0; display:grid; place-items:center; padding:24px; background:var(--bg); font-size:15px; line-height:1.5; }
.auth-card { width:min(100%,460px); padding:32px; border:1px solid var(--line); border-radius:16px; background:var(--surface); box-shadow:var(--shadow); }
.auth-brand { display:flex; align-items:center; gap:12px; color:var(--text); font-size:17px; }
.auth-mark { display:block; flex:0 0 auto; width:52px; height:auto; }
.auth-mark.on-dark { display:none; }
@media (prefers-color-scheme: dark) { .auth-mark.on-light { display:none; } .auth-mark.on-dark { display:block; } }
h1 { margin:24px 0 18px; font-size:26px; font-weight:600; line-height:1.2; letter-spacing:-.01em; }
.auth-lead,.auth-help,.setup-steps { color:var(--muted); line-height:1.55; }
.auth-form { display:grid; gap:14px; margin-top:18px; }
.auth-form label { display:grid; gap:6px; color:var(--muted); font-size:13px; font-weight:600; }
.auth-form input { min-height:44px; padding:9px 11px; border:1px solid var(--border); border-radius:6px; color:var(--text); background:var(--surface); font:inherit; font-size:16px; }
:focus-visible, .auth-form input:focus { outline:3px solid var(--focus); outline-offset:2px; }
.auth-button { display:inline-flex; min-height:44px; align-items:center; justify-content:center; padding:9px 16px; border:1px solid var(--brand); border-radius:10px; color:var(--brand-ink); background:var(--brand); font:inherit; font-weight:600; text-decoration:none; cursor:pointer; }
.auth-button:hover { border-color:var(--brand-strong); background:var(--brand-strong); }
.auth-button.secondary { color:var(--brand); background:var(--surface); }
.auth-error { padding:10px 12px; border:1px solid var(--danger); border-radius:6px; color:var(--danger); background:var(--danger-soft); }
.auth-link { margin-top:18px; text-align:center; }.auth-link a { color:var(--focus); }
.secret-label { margin:20px 0 6px; color:var(--muted); font-size:11px; font-weight:700; letter-spacing:.08em; }
.secret { display:block; padding:12px; border-radius:6px; background:var(--surface-3); font:700 17px "JetBrains Mono", ui-monospace, monospace; letter-spacing:.04em; overflow-wrap:anywhere; }
.recovery-codes { display:grid; grid-template-columns:1fr 1fr; gap:8px 24px; padding:16px 16px 16px 42px; border:1px solid var(--line); border-radius:10px; background:var(--surface-2); font:700 14px "JetBrains Mono", ui-monospace, monospace; }
.auth-actions { display:flex; align-items:center; gap:10px; flex-wrap:wrap; }.auth-actions form { margin:0; }
@media (max-width:520px) { .auth-card { padding:22px; }.recovery-codes { grid-template-columns:1fr; } }