/* Gas processes — artifact-specific layout. */

.gas {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 2.5rem;
  align-items: start;
  margin: 0 0 2.5rem;
}

.gas-main {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-width: 0;
}

.gas-pv,
.gas-cylinder {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.gas-pv canvas {
  width: 100%;
  aspect-ratio: 5 / 4;
  height: auto;
  max-height: 520px;
  display: block;
  cursor: crosshair;
  touch-action: none;
}
.gas-pv canvas.dragging {
  cursor: grabbing;
}
.gas-cylinder canvas {
  width: 100%;
  height: 200px;
  display: block;
}

.ctrl-label {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--muted);
  text-transform: lowercase;
  letter-spacing: 0.06em;
}
.ctrl-label em {
  font-style: normal;
  color: var(--accent-warm);
}

/* stats panel */
.gas-stats {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-self: stretch;
}
.stats-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
}
.stat-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: lowercase;
  letter-spacing: 0.04em;
}
.stat-value {
  font-family: var(--serif);
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  font-feature-settings: "tnum" 1;
}

.process-badge {
  border: 1px solid var(--accent-warm);
  border-radius: 6px;
  padding: 0.55rem 0.75rem;
  margin-top: 0.5rem;
  background: color-mix(in srgb, var(--accent-warm) 8%, transparent);
}
.process-badge .region-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: lowercase;
  letter-spacing: 0.04em;
  display: block;
}
.process-badge .region-value {
  font-family: var(--serif);
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  color: var(--accent-warm);
  text-transform: capitalize;
}

@media (max-width: 820px) {
  .gas {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .gas-pv canvas {
    max-height: 460px;
  }
  .stats-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1rem 2rem;
  }
  .process-badge {
    flex-basis: 100%;
    margin-top: 0;
  }
}

/* controls */
.gas-controls {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}
.ctrl-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
.ctrl-row.buttons {
  gap: 0.5rem;
}
.ctrl-row .ctrl-label {
  margin-right: 0.5rem;
}

.gas-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;
}
.gas-controls button:hover {
  color: var(--accent-warm);
  border-color: var(--accent-warm);
}
.gas-controls button.active {
  color: var(--bg);
  background: var(--accent-warm);
  border-color: var(--accent-warm);
}
.gas-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;
}