/* =========================================================
   COMPONENT: Chart Widget
   ========================================================= */

.chart-widget {
  display: flex;
  flex-direction: column;
}
.chart-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
}
.chart-timeframe {
  display: flex;
  gap: 1px;
  background: var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.chart-timeframe button {
  padding: 2px 8px;
  border: none;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
  font-family: var(--font-mono);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.chart-timeframe button:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}
.chart-timeframe button.is-active {
  color: var(--text-primary);
  background: var(--bg-hover);
  font-weight: 600;
}
.chart-canvas-container {
  flex: 1;
  position: relative;
  background: var(--bg-primary);
  min-height: 200px;
}
.chart-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

/* Connection indicator dot */
.chart-conn-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-red);
  transition: background var(--transition-base);
}
.chart-conn-dot.is-connected {
  background: var(--accent-green);
}

/* Crosshair OHLCV overlay */
.chart-crosshair-info {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-family: var(--font-mono);
  line-height: 1.6;
  pointer-events: none;
  z-index: 10;
  white-space: nowrap;
  display: none;
}
.chart-crosshair-info.is-visible {
  display: block;
}