:root { --bg: #f6f7f9; --card: #fff; --text: #1d2330; --muted: #5d6676; --brand: #1f6feb; --line: #dfe3ea; --danger: #b42318; }
@media (prefers-color-scheme: dark) { :root { --bg: #0f1218; --card: #171b23; --text: #e8ebf1; --muted: #9aa3b2; --line: #2a303b; --brand: #4c8dff; --danger: #ff6b5e; } }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; background: var(--bg); color: var(--text); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; padding: 16px; }
main { width: 100%; max-width: 380px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 28px 24px; }
h1 { font-size: 1.35rem; margin: 0 0 4px; }
p.lead { margin: 0 0 20px; color: var(--muted); }
label { display: block; font-weight: 600; font-size: .9rem; margin: 14px 0 6px; }
input { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: transparent; color: inherit; font: inherit; }
input:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
button { width: 100%; margin-top: 20px; padding: 11px; border: 0; border-radius: 8px; background: var(--brand); color: #fff; font: inherit; font-weight: 600; cursor: pointer; }
.error { margin: 12px 0 0; padding: 10px 12px; border-radius: 8px; background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); font-size: .92rem; }
.info { margin: 12px 0 0; color: var(--muted); font-size: .92rem; }
.links { margin-top: 18px; font-size: .9rem; display: flex; justify-content: space-between; gap: 8px; }
a { color: var(--brand); }
a.button { display: block; text-align: center; text-decoration: none; margin-top: 12px; padding: 11px; border-radius: 8px; background: var(--brand); color: #fff; font-weight: 600; }
code, .secret { font-family: ui-monospace, monospace; word-break: break-all; }
.codes { columns: 2; font-family: ui-monospace, monospace; padding-left: 18px; }
.brand { font-weight: 700; letter-spacing: .02em; color: var(--muted); margin-bottom: 18px; font-size: .9rem; }