@font-face { font-family: 'Barlow SC'; src: url(/vendor/fonts/barlow-semi-condensed-latin-500-normal.woff2) format('woff2'); font-weight: 500; }
@font-face { font-family: 'Barlow SC'; src: url(/vendor/fonts/barlow-semi-condensed-latin-700-normal.woff2) format('woff2'); font-weight: 700; }
:root { color-scheme: light; --bg: #e9edf2; --panel: #f8fafc; --line: #d3dae3; --ink: #0f1d30; --ink-2: #44546a; --signal: #b77800; --crit: #c42b2b; --btn: #0f1d30; --btn-ink: #fff; }
@media (prefers-color-scheme: dark) { :root { color-scheme: dark; --bg: #0e1a2b; --panel: #13223a; --line: #24395a; --ink: #e8eef7; --ink-2: #a9b8cc; --signal: #f0b43c; --crit: #ff6b6b; --btn: #f0b43c; --btn-ink: #10161f; } }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; padding: 16px; background: var(--bg); color: var(--ink); font: 500 16px/1.45 'Barlow SC', system-ui, sans-serif; }
.card { width: 100%; max-width: 360px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 28px 26px; }
.mark { width: 40px; height: 40px; color: var(--signal); }
h1 { margin: 6px 0 2px; font-size: 28px; font-weight: 700; }
.lead { margin: 0 0 18px; color: var(--ink-2); }
label { display: block; margin: 12px 0 4px; color: var(--ink-2); }
input { width: 100%; font: inherit; font-size: 18px; padding: 9px 11px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); }
#code { letter-spacing: .3em; font-variant-numeric: tabular-nums; }
input:focus-visible, button:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }
button { font: inherit; cursor: pointer; }
#go { width: 100%; margin-top: 20px; padding: 10px; border: 0; border-radius: 8px; background: var(--btn); color: var(--btn-ink); font-weight: 700; font-size: 17px; }
#go:disabled { opacity: .6; }
.link { margin-top: 12px; background: none; border: 0; color: var(--ink-2); text-decoration: underline; padding: 0; }
#msg { min-height: 1.4em; margin: 12px 0 0; color: var(--crit); }