/* ASCII.
 *
 * The accent comes from la-machines.css, generated from the roster. Nothing
 * here declares --machine or --accent: a custom property set on the element
 * that reads it overrides the inherited value.
 *
 * Measures in rem, never ch: ch resolves against the element's own font-size.
 */

/* The page frame. Floating Point shipped without these and ran the full width
   of the browser, which no gate saw and an operator did. */
* { margin: 0; padding: 0; box-sizing: border-box; }

main.bit {
  max-width: var(--la-measure);
  margin: 0 auto;
  padding: 3rem 1.25rem 3rem;
}

main.bit p, main.bit ul, main.bit ol, main.bit dl,
main.bit h1, main.bit h2 { max-width: none; }

body {
  font-family: var(--la-font-ui);
  background: var(--la-page);
  color: var(--la-ink);
  line-height: var(--la-leading-body);
  -webkit-font-smoothing: antialiased;
}

.as-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.as-hint,
.as-note {
  color: var(--la-ink-dim);
  font-size: var(--la-text-sm);
  margin-top: var(--la-space-2);
}

.as-code {
  font-family: var(--la-font-mono);
  font-size: 0.95em;
  color: var(--accent);
}

.as-knob {
  display: grid;
  grid-template-columns: auto minmax(9rem, 1fr);
  align-items: center;
  gap: var(--la-space-2) var(--la-space-3);
  margin-top: var(--la-space-4);
}

.as-knob label {
  font-family: var(--la-font-mono);
  font-size: var(--la-text-xs);
  color: var(--la-ink-dim);
}

.as-input {
  font-family: var(--la-font-mono);
  font-size: var(--la-text-sm);
  color: var(--la-ink);
  background: color-mix(in srgb, var(--la-ink) 6%, transparent);
  border: 1px solid var(--la-hairline-strong);
  border-radius: var(--la-radius, 6px);
  padding: 0.45em 0.7em;
  min-width: 6rem;
  max-width: 100%;
}

.as-presets {
  display: flex;
  flex-wrap: wrap;
  gap: var(--la-space-2);
  margin-top: var(--la-space-3);
}

.as-btn {
  font-family: var(--la-font-mono);
  font-size: var(--la-text-sm);
  color: var(--la-ink);
  background: color-mix(in srgb, var(--la-ink) 6%, transparent);
  border: 1px solid var(--la-hairline-strong);
  border-radius: var(--la-radius, 6px);
  padding: 0.4em 0.9em;
  cursor: pointer;
  /* 2.5.8 asks for 24 CSS pixels. */
  min-height: 2.25rem;
  min-width: 2.25rem;
}

.as-btn:hover { border-color: var(--accent); color: var(--accent); }

.as-btn:focus-visible,
.as-input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---- the row of eight ------------------------------------------------ */

.as-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: var(--la-space-4);
  padding: var(--la-space-3) 0;
  border-top: 1px solid var(--la-hairline-strong);
  border-bottom: 1px solid var(--la-hairline-strong);
}

.as-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  min-width: 3.6rem;
  padding: var(--la-space-2) 0.35rem;
  border: 1px solid var(--la-hairline);
  border-radius: var(--la-radius, 6px);
  background: color-mix(in srgb, var(--la-ink) 4%, transparent);
}

/* The kind a position holds. Distinguished by weight and border as well as
   colour, so the three groups stay apart in greyscale. */
.as-cell[data-kind="control"] { border-style: dashed; }
.as-cell[data-kind="upper"] { border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.as-cell[data-kind="lower"] { border-color: color-mix(in srgb, var(--accent) 45%, transparent); }

.as-cell[data-here="yes"] {
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  border-color: var(--accent);
}

.as-glyph {
  font-family: var(--la-font-mono);
  font-size: var(--la-text-sm);
  color: var(--la-ink);
}

.as-cell[data-here="yes"] .as-glyph { color: var(--accent); font-weight: 600; }

.as-pos {
  font-family: var(--la-font-mono);
  font-size: var(--la-text-xs);
  color: var(--la-ink-dim);
}

.as-readout {
  margin-top: var(--la-space-4);
  border-top: 1px solid var(--la-hairline);
}

.as-line {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: var(--la-space-3);
  padding: var(--la-space-2) 0;
  border-bottom: 1px solid var(--la-hairline);
}

.as-line dt {
  font-family: var(--la-font-mono);
  font-size: var(--la-text-xs);
  color: var(--la-ink-dim);
}

.as-line dd {
  font-size: var(--la-text-sm);
  color: var(--la-ink);
  overflow-wrap: anywhere;
}

.as-strong dd { color: var(--accent); font-weight: 600; }

.as-num { font-family: var(--la-font-mono); }

.as-why { margin-top: var(--la-space-6); }

.as-why h2 {
  margin-top: var(--la-space-5);
  margin-bottom: var(--la-space-2);
}

.as-why p { margin-top: var(--la-space-3); color: var(--la-ink-dim); }

.as-why q { color: var(--la-ink); }

@media (max-width: 34rem) {
  .as-line { grid-template-columns: 1fr; }
  .as-line dt { color: var(--la-ink-faint); }
  .as-knob { grid-template-columns: 1fr; }
}