/* ===== 侧栏 ===== */
.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
}
.sidebar-header .logo {
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--color-accent);
}
#sidebarToggle {
  display: none; /* 桌面端隐藏，移动端显示 */
}

.sidebar-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.character-list-wrapper {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md) var(--spacing-sm);
}
.character-list-wrapper h3 {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding: 0 var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.character-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.character-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.character-item:hover {
  background: var(--color-accent-light);
}
.character-item.active {
  background: var(--color-accent-light);
  border-left: 3px solid var(--color-accent);
}
.character-item .avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  object-fit: cover;
  background: var(--color-border);
}
.character-item .info {
  flex: 1;
  min-width: 0;
}
.character-item .name {
  font-weight: 500;
  font-size: var(--font-size-sm);
}
.character-item .desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 角色列表操作按钮 */
.character-item .item-actions {
  display: flex;
  gap: 2px;
  align-items: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.character-item:hover .item-actions {
  opacity: 1;
}
.character-item .item-actions .icon-btn {
  width: 28px;
  height: 28px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  background: transparent;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.character-item .item-actions .icon-btn:hover {
  color: var(--color-accent);
  background: var(--color-accent-light);
}
.character-item .item-actions .delete-btn:hover {
  color: var(--color-danger);
  background: rgba(225, 112, 85, 0.1);
}

/* 侧栏底部 - 桌面端默认样式（纵向排列） */
.sidebar-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}
.sidebar-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  width: 100%;
  transition: background var(--transition-fast);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}
.sidebar-btn:hover {
  background: var(--color-accent-light);
  color: var(--color-accent);
}
.sidebar-btn i {
  width: 20px;
  text-align: center;
}
.sidebar-btn span {
  display: inline;
}