@import url("fonts.css");
:root {
  --bg: #f4f5f8; --surface: #fff; --surface-2: #f1f3f6; --text: #14171f; --text-2: #4a5263; --muted: #6f7787;
  --border: #e3e6ec; --accent: #4f46e5; --accent-ink: #fff; --bad: #b42318; --bad-bg: #fdecea; --good: #0f7a55; --good-bg: #e6f6ef;
  --ring: rgba(79, 70, 229, .28); --radius: 16px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0e1014; --surface: #171a21; --surface-2: #1f232c; --text: #eceff4; --text-2: #b6bdca; --muted: #8b93a3;
    --border: #2b303b; --accent: #8b8cf8; --accent-ink: #0e1014; --bad: #f97066; --bad-bg: #3a1714; --good: #4ade80; --good-bg: #12301f; --ring: rgba(139, 140, 248, .35); }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 15px/1.5 Inter, system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--text); background: var(--bg);
  background-image: radial-gradient(1200px 600px at 10% -10%, rgba(45, 212, 191, .10), transparent 60%), radial-gradient(900px 500px at 110% 10%, rgba(129, 140, 248, .14), transparent 60%); min-height: 100vh; }
.auth-wrap { max-width: 980px; margin: 0 auto; padding: 48px 16px 32px; display: flex; flex-direction: column; align-items: center; gap: 22px; }
.auth-brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -.01em; }
.logo { width: 28px; height: 28px; border-radius: 8px; background: url("icon.svg") center/cover no-repeat; }
.card { width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px;
  box-shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 12px 32px -12px rgba(16, 24, 40, .14); display: flex; flex-direction: column; gap: 14px; }
.card.wide { max-width: 560px; }
.card.xwide { max-width: 900px; }
h1 { font-size: 22px; line-height: 1.25; margin: 0; letter-spacing: -.015em; }
h2 { font-size: 15px; margin: 14px 0 0; color: var(--text-2); }
.lead { margin: 0; color: var(--text-2); }
.muted { margin: 0; color: var(--muted); font-size: 13px; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 500; color: var(--text-2); }
input { font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 11px 12px; min-height: 44px; width: 100%; }
input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--ring); }
input.code { font-size: 22px; letter-spacing: .3em; text-align: center; font-variant-numeric: tabular-nums; }
.btn { display: inline-flex; justify-content: center; align-items: center; gap: 8px; font: inherit; font-weight: 600; border-radius: 10px; min-height: 44px;
  padding: 0 18px; border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer; text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn:focus-visible { outline: none; box-shadow: 0 0 0 4px var(--ring); }
.link { color: var(--accent); text-decoration: none; font-size: 14px; text-align: center; }
.alert { background: var(--bad-bg); color: var(--bad); padding: 10px 12px; border-radius: 10px; font-size: 14px; }
.ok { background: var(--good-bg); color: var(--good); padding: 10px 12px; border-radius: 10px; font-size: 14px; }
.steps { margin: 0; padding-left: 20px; color: var(--text-2); display: grid; gap: 4px; }
.qr { align-self: center; width: 220px; height: 220px; padding: 10px; background: #fff; border-radius: 12px; border: 1px solid var(--border); }
.qr svg { width: 100%; height: 100%; display: block; }
.qr svg .dark, .qr svg path { fill: #111; }
.secret { margin: 0; text-align: center; font-size: 13px; color: var(--muted); }
code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: .95em; background: var(--surface-2); padding: 2px 6px; border-radius: 6px; }
.codes { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.codes code { display: block; text-align: center; padding: 10px; font-size: 15px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row .btn { flex: 1; }
fieldset { border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; margin: 0; display: grid; gap: 10px; }
legend { padding: 0 6px; font-size: 13px; font-weight: 600; color: var(--text-2); }
label.check { flex-direction: row; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--text); font-weight: 500; }
label.check input { width: 18px; height: 18px; min-height: 0; margin-top: 2px; accent-color: var(--accent); }
label.check small { display: block; font-weight: 400; color: var(--muted); }
.drop { border: 1.5px dashed var(--border); border-radius: 14px; padding: 22px; text-align: center; background: var(--surface-2); cursor: pointer; }
.drop input { border: 0; background: transparent; padding: 0; min-height: 0; }
.checks { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 4px 16px; font-size: 14px; }
.checks .pass { color: var(--good); }
.checks .fail { color: var(--bad); font-weight: 600; }
.grid2, .grid4 { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }
.grid4 { grid-template-columns: 2fr 1fr 2fr 2fr; }
.auth-foot { color: var(--muted); font-size: 12px; margin: 0; }
@media (max-width: 640px) {
  .auth-wrap { padding-top: 24px; }
  .card { padding: 20px; }
  .grid2, .grid4 { grid-template-columns: 1fr; }
}
@media print {
  body { background: #fff; }
  .auth-brand, .auth-foot, .row, .btn, .lead { display: none; }
  .card { box-shadow: none; border: 0; }
}