/* ===========================================
   侧边栏组件样式
   =========================================== */

#sidebar {
  width: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.sidebar__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md) var(--spacing-sm);
  background: var(--parchment-light);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-soft);
}

.sidebar__btn:hover {
  background: var(--parchment-dark);
  box-shadow: var(--shadow-medium);
  transform: translateY(-2px);
}

.sidebar__btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-soft);
}

.sidebar__btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.sidebar__btn-icon {
  font-size: 24px;
  line-height: 1;
}

.sidebar__btn-text {
  font-size: var(--font-size-xs);
  color: var(--ink-light);
  text-align: center;
  line-height: 1.2;
}