:root {
  color-scheme: dark;
  --ground: #0b0e11;
  --surface: #15191d;
  --line: #262c33;
  --text: #f2f4f6;
  --muted: #9aa3ad;
  --faint: #6b7580;
  --accent: #6366f1;
  --ok: #22c55e;
  --warn: #f59e0b;
  --bad: #ef4444;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--ground); color: var(--text); font: 15px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 640px; margin: 0 auto; padding: 48px 24px 96px; }
h1 { font-size: 26px; margin: 0 0 6px; letter-spacing: -0.01em; }
h2 { font-size: 17px; margin: 32px 0 8px; }
p { margin: 0 0 14px; }
.muted { color: var(--muted); }
.faint { color: var(--faint); font-size: 13px; }
ol.steps { list-style: none; display: flex; flex-wrap: wrap; gap: 6px 16px; padding: 0; margin: 20px 0 34px; font-size: 13px; color: var(--faint); }
ol.steps li[aria-current="step"] { color: var(--text); font-weight: 600; }
ol.steps li.done { color: var(--ok); }
form { display: flex; flex-direction: column; gap: 14px; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
input, select { font: inherit; color: var(--text); background: var(--surface); border: 1px solid transparent; border-radius: 8px; padding: 10px 12px; }
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 0; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.choice { flex-direction: row; align-items: center; gap: 8px; color: var(--text); font-size: 15px; }
button { font: inherit; cursor: pointer; border-radius: 8px; border: none; padding: 10px 16px; background: var(--accent); color: #fff; font-weight: 600; }
button.quiet { background: transparent; color: var(--accent); padding: 10px 0; }
button:disabled { opacity: 0.5; cursor: default; }
button:focus-visible { outline: 2px solid var(--text); outline-offset: 2px; }
.error { color: var(--bad); }
code, .code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.code { display: block; background: var(--surface); border-radius: 8px; padding: 12px; overflow-wrap: anywhere; user-select: all; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
td, th { text-align: left; padding: 6px 8px 6px 0; vertical-align: top; }
th { color: var(--faint); font-weight: 500; }
.ok { color: var(--ok); }
.warn { color: var(--warn); }
.bad { color: var(--bad); }
ul.plain { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.big { font-size: 28px; font-weight: 700; letter-spacing: 0.06em; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }