/* ==================== 顶部工具栏区域 ==================== */

.toolbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50px;
  background-color: #fff;
  border-bottom: 1px solid #ddd;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
  transition: height 0.3s ease;
}

.toolbar.expanded {
  height: auto;
  max-height: 300px;
  overflow-y: auto;
  padding-bottom: 10px;
}

.toolbar-content {
  display: none;
  width: 100%;
  padding: 10px 20px;
}

.toolbar.expanded .toolbar-content {
  display: block;
}

.toolbar-toggle-btn {
  position: absolute;
  right: 0;
  top: 0;
  height: 50px;
  width: 50px;
  background: none;
  border: none;
  border-left: 1px solid #ddd;
  cursor: pointer;
  font-size: 0.8rem;
  color: #666;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 101;
}

.toolbar-toggle-btn:hover {
  background-color: #f5f5f5;
}