/* Galton board — artifact-specific layout. Tokens come from /styles.css. */

.galton {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 2.5rem;
  align-items: stretch;
  margin: 0 0 2.5rem;
}

.galton-board {
  min-width: 0;
}
.galton-board canvas {
  width: 100%;
  height: 600px;
  display: block;
}

/* stats panel */

.galton-stats {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-self: stretch;
}
.galton-stats .ctrl-label {
  margin-right: 0;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--muted);
  text-transform: lowercase;
  letter-spacing: 0.06em;
}

.stats-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.stat-label {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--muted);
  text-transform: lowercase;
  letter-spacing: 0.04em;
}
.stat-value {
  font-family: var(--serif);
  font-size: 1.7rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  font-feature-settings: "tnum" 1;
}
.stat-theory {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.stat-theory span {
  color: var(--ink-soft);
  font-feature-settings: "tnum" 1;
  margin-left: 0.25rem;
}

@media (max-width: 820px) {
  .galton {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .galton-board canvas {
    height: 500px;
  }
  .stats-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.5rem 2.5rem;
  }
}

/* controls */

.galton-controls {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}
.ctrl-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
  align-items: center;
}
.ctrl-row.sliders {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}
.ctrl-row.buttons {
  justify-content: flex-start;
  gap: 0.5rem;
}

.row-control {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.row-control .label-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: lowercase;
  letter-spacing: 0.04em;
}
.row-control .value {
  color: var(--ink-soft);
  font-feature-settings: "tnum" 1;
}

@media (max-width: 580px) {
  .ctrl-row.sliders {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
}

/* range slider — same editorial treatment as sines */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 14px;
  background: transparent;
  cursor: pointer;
  margin: 0;
}
input[type="range"]:focus-visible {
  outline: 2px solid var(--accent-warm);
  outline-offset: 4px;
  border-radius: 2px;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 1px;
  background: var(--rule);
  border: none;
}
input[type="range"]::-moz-range-track {
  height: 1px;
  background: var(--rule);
  border: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-warm);
  margin-top: -6px;
  border: none;
  transition: transform 0.15s ease;
}
input[type="range"]::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-warm);
  border: none;
  transition: transform 0.15s ease;
}
input[type="range"]:hover::-webkit-slider-thumb,
input[type="range"]:focus::-webkit-slider-thumb {
  transform: scale(1.25);
}

/* buttons */
.galton-controls button {
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 0.4rem 0.95rem;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  border-radius: 999px;
  cursor: pointer;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.galton-controls button:hover {
  color: var(--accent-warm);
  border-color: var(--accent-warm);
}
.galton-controls button:focus-visible {
  outline: 2px solid var(--accent-warm);
  outline-offset: 2px;
}

/* notes */

.notes em {
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.85em;
  padding: 0.05em 0.4em;
  border: 1px solid var(--rule);
  border-radius: 4px;
  color: var(--ink);
  margin: 0 0.1em;
}