/* ============================================================
   ColorCube — Light & Colour page styles
   ============================================================ */

/* ── Section spacing ────────────────────────────────────────── */
.lc-section { margin-bottom: 3rem; }

/* ── Diagram containers ─────────────────────────────────────── */
.diagram-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  padding: 1.25rem 1.25rem 1rem;
  margin: 1.5rem 0;
  overflow: hidden;
}
.diagram-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
canvas.lc-canvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
  cursor: crosshair;
}

/* ── Tooltip / readout ──────────────────────────────────────── */
.lc-readout {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-top: 0.85rem;
  min-height: 2.4rem;
  align-items: center;
}
.lc-readout-item {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.lc-readout-item span {
  color: var(--white);
  font-weight: 500;
}
.lc-swatch {
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: inline-block;
  vertical-align: middle;
  margin-right: 0.3rem;
  flex-shrink: 0;
}

/* ── Cone bars ──────────────────────────────────────────────── */
.cone-bars {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.75rem;
  align-items: flex-end;
  height: 3rem;
}
.cone-bar-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  flex: 1;
}
.cone-bar-track {
  width: 100%;
  height: 2.2rem;
  background: var(--surface2);
  border-radius: 3px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
.cone-bar-fill {
  width: 100%;
  border-radius: 3px;
  transition: height 0.1s ease;
}
.cone-bar-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
}

/* ── EM band labels ─────────────────────────────────────────── */
.em-legend {
  display: flex;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
  justify-content: space-between;
  padding: 0 2px;
}

/* ── Hint text ──────────────────────────────────────────────── */
.diagram-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  font-style: italic;
}