.histogram-editor{display:flex;flex-direction:column;gap:10px}.histogram-editor .histogram-canvas{display:block;width:100%;height:auto;border:1px solid var(--border-color, #333);border-radius:4px;cursor:crosshair;touch-action:none}.histogram-channel-toggles{display:flex;flex-wrap:wrap;gap:8px 12px}.histogram-toggle{display:inline-flex;align-items:center;gap:6px;font-size:12px;cursor:pointer;user-select:none}.histogram-toggle input{margin:0}.histogram-toggle-red span{color:#ff6b6b}.histogram-toggle-green span{color:#6bcc6b}.histogram-toggle-blue span{color:#6ba3ff}.histogram-panels{display:grid;grid-template-columns:1fr 1fr;gap:10px}.histogram-panel{border:1px solid var(--border-color, #333);border-radius:4px;padding:8px 10px;background:#00000026}.histogram-field{display:flex;flex-direction:column;gap:4px;margin-bottom:8px;font-size:12px}.histogram-field select{width:100%}.histogram-stats{margin:0;display:grid;gap:4px}.histogram-stats div{display:flex;justify-content:space-between;gap:8px;font-size:12px}.histogram-stats dt{margin:0;color:var(--text-muted, #aaa)}.histogram-stats dd{margin:0;font-variant-numeric:tabular-nums}@media(max-width:800px){.histogram-panels{grid-template-columns:1fr}}