/* Component – Tool panel (sidebar) */

.tool-panel {
  width: 210px;
  flex-shrink: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.panel-section {
  padding: 0.875rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.panel-section:last-child {
  border-bottom: none;
}

.control-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.control-row label {
  color: var(--text-muted);
  min-width: 44px;
}

.tool-panel select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 0.25rem 0.4rem;
  font-size: 0.875rem;
  font-family: inherit;
  transition: border-color var(--speed);
  cursor: pointer;
}

.tool-panel select:focus {
  outline: none;
  border-color: var(--accent-dim);
}

.tool-panel input[type="checkbox"] {
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}

.tool-panel input[type="number"] {
  width: 52px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 0.25rem 0.4rem;
  font-size: 0.875rem;
  font-family: inherit;
  transition: border-color var(--speed);
}

.tool-panel input[type="number"]:focus {
  outline: none;
  border-color: var(--accent-dim);
}

.unit {
  color: var(--text-muted);
  font-size: 0.875rem;
}