/* PitNote's colours, flat: controls told by their fill, not an outline. */
:root {
  --canvas: #14120f;
  --surface: #1e1b17;
  --raised: #2a251f;
  --step: #3a332a;
  --ink: #f4f0e6;
  --muted: #c4baad;
  --faint: #9a9083;
  --line: #7a7268;
  --signal: #e6a322;
  --signal-ink: #1a1408;
  --danger: #ff8f88;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 16px/1.5 "IBM Plex Sans", system-ui, sans-serif;
}
a { color: var(--signal); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }
.bar {
  display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; align-items: center; justify-content: space-between;
  padding: 0.75rem 1rem; border-bottom: 1px solid rgb(122 114 104 / 45%);
}
.brand { color: var(--signal); font: 500 0.85rem/1 "IBM Plex Mono", ui-monospace, monospace; letter-spacing: 0.2em; text-transform: uppercase; text-decoration: none; }
nav { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
main { max-width: 52rem; margin: 0 auto; padding: 1rem; }
h1 { font-size: 1.4rem; margin: 0.5rem 0 1rem; }
.card { background: var(--surface); border-radius: 0.5rem; padding: 1rem; margin: 1rem 0; display: grid; gap: 0.75rem; }
.stack { display: grid; gap: 0.75rem; }
.narrow { max-width: 26rem; margin: 2rem auto; }
label { display: grid; gap: 0.25rem; color: var(--muted); font-size: 0.9rem; }
input, select, textarea {
  font: inherit; color: var(--ink); background: var(--raised);
  border: 0; border-bottom: 2px solid var(--faint); border-radius: 0.375rem 0.375rem 0 0;
  min-height: 2.75rem; padding: 0.5rem 0.75rem; width: 100%;
}
.card input, .card select, .card textarea { background: var(--step); }
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: none; border-bottom-color: var(--signal); }
button {
  font: inherit; min-height: 2.75rem; padding: 0 1rem; border: 0; border-radius: 0.375rem;
  background: var(--raised); color: var(--ink); cursor: pointer;
}
.card button { background: var(--step); }
button.go { background: var(--signal); color: var(--signal-ink); font-weight: 600; }
button.quiet { background: transparent; color: var(--muted); }
button.danger { background: transparent; color: var(--danger); }
button:disabled { opacity: 0.6; cursor: default; }
.tabs { display: flex; gap: 0.25rem; flex-wrap: wrap; background: var(--raised); border-radius: 0.375rem; padding: 0.25rem; }
.tabs button { background: transparent; min-height: 2.25rem; }
.tabs button[aria-selected="true"] { background: var(--step); border-bottom: 2px solid var(--signal); }
.rows { list-style: none; padding: 0; margin: 1rem 0; }
.rows li a {
  display: grid; gap: 0.1rem; padding: 0.7rem 0.25rem; color: var(--ink); text-decoration: none;
  border-bottom: 1px solid rgb(122 114 104 / 45%);
}
.kind { color: var(--signal); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; }
.reason { font-weight: 500; }
.muted { color: var(--muted); font-size: 0.9rem; }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 0.5rem 1rem; }
dt { color: var(--muted); }
dd { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }
@media (max-width: 34rem) { dl { grid-template-columns: 1fr; } dd { margin-bottom: 0.5rem; } }
.error { color: var(--danger); }
.notice { color: var(--ink); background: var(--raised); padding: 0.5rem 0.75rem; border-radius: 0.375rem; }
.qr { width: 14rem; height: 14rem; background: #fff; border-radius: 0.375rem; justify-self: center; }
.letters, .codes { font-family: "IBM Plex Mono", ui-monospace, monospace; overflow-wrap: anywhere; }
.codes { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr)); gap: 0.4rem 1.5rem; }