/* 标签栏 */
.tab-bar {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  max-width: calc(100vw - 320px);
  -webkit-app-region: no-drag;
}

.tab-bar::-webkit-scrollbar {
  display: none;
}

.tab-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  height: 28px;
  background: var(--bg-tab-inactive);
  border-radius: var(--border-radius-sm);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  white-space: nowrap;
  max-width: 180px;
  min-width: 90px;
}

.tab-item:hover {
  background: var(--bg-tab-hover);
  color: var(--text-main);
}

.tab-item.active {
  background: var(--bg-tab-active);
  color: var(--text-bright);
  border-color: var(--border-active);
  box-shadow: 0 0 10px var(--accent-glow);
}

.tab-icon {
  width: 12px;
  height: 12px;
  opacity: 0.8;
}

.tab-title {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tab-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  opacity: 0;
  transition: all 0.12s ease;
}

.tab-item:hover .tab-close,
.tab-item.active .tab-close {
  opacity: 0.6;
}

.tab-close:hover {
  opacity: 1 !important;
  background: rgba(255, 255, 255, 0.15);
  color: #f7768e;
}

.new-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  width: 26px;
  height: 26px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
  flex-shrink: 0;
  -webkit-app-region: no-drag;
}

.new-tab-btn:hover {
  background: var(--btn-hover, rgba(255, 255, 255, 0.08));
  color: var(--accent-color);
}