.workspace-tabs-bar {
  --workspace-tab-accent: #1677ff;
  --workspace-tab-border: var(--app-content-border, #d7e1e8);
  --workspace-tab-text: var(--app-content-muted, #5f7485);
  --workspace-tab-surface: color-mix(in srgb, var(--app-panel-bg, #fff) 90%, var(--app-content-bg, #eef3f7));
  --workspace-tab-active: color-mix(in srgb, var(--workspace-tab-accent) 13%, var(--app-panel-bg, #fff));
  --workspace-tab-divider: color-mix(in srgb, var(--workspace-tab-border) 82%, #c9d1d8);
  position: sticky;
  top: 0;
  z-index: 1300;
  display: flex;
  width: auto;
  height: 38px;
  margin: -38px -30px 18px;
  padding: 0 8px;
  align-items: stretch;
  border-bottom: 1px solid var(--workspace-tab-border);
  background: var(--workspace-tab-surface);
  box-shadow: inset 0 -1px 0 var(--workspace-tab-divider);
}

.workspace-tabs-list {
  display: flex;
  min-width: 0;
  height: 100%;
  flex: 1 1 auto;
  align-items: stretch;
  gap: 0;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
}

.workspace-tabs-list::-webkit-scrollbar {
  display: none;
}

.workspace-tab {
  position: relative;
  display: flex;
  min-width: 96px;
  max-width: 184px;
  height: 100%;
  flex: 0 1 152px;
  align-items: center;
  border: 0;
  border-right: 1px solid color-mix(in srgb, var(--workspace-tab-border) 74%, transparent);
  border-radius: 0;
  background: transparent;
  color: var(--workspace-tab-text);
  transition: background-color .14s ease, color .14s ease;
}

.workspace-tab:hover {
  background: color-mix(in srgb, var(--workspace-tab-accent) 7%, var(--app-panel-bg, #fff));
  color: var(--app-content-text, #263442);
}

.workspace-tab.is-active {
  border-radius: 6px 6px 0 0;
  background: #e7f2ff;
  color: #1677ff;
  box-shadow: none;
}

.workspace-tab.is-active::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--workspace-tab-accent);
  content: "";
}

.workspace-tab.is-home {
  min-width: 82px;
  max-width: 104px;
  flex-basis: 92px;
}

.workspace-tab-link {
  display: flex;
  min-width: 0;
  height: 100%;
  flex: 1 1 auto;
  align-items: center;
  gap: 7px;
  padding: 0 8px 0 11px;
  color: inherit;
  text-decoration: none;
  outline: none;
}

.workspace-tab-icon {
  display: inline-flex;
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  align-items: center;
  justify-content: center;
  opacity: .82;
}

.workspace-tab-icon svg {
  display: block;
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.workspace-tab.is-active .workspace-tab-icon { opacity: 1; }

.workspace-tab-link:focus-visible,
.workspace-tab-close:focus-visible,
.workspace-tabs-control:focus-visible,
.workspace-tabs-disclosure > summary:focus-visible,
.workspace-tabs-panel a:focus-visible,
.workspace-tabs-panel button:focus-visible {
  outline: 2px solid var(--workspace-tab-accent);
  outline-offset: -2px;
}

.workspace-tab-label {
  min-width: 0;
  overflow: hidden;
  font-size: 14px;
  font-weight: 400;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workspace-tab.is-dirty .workspace-tab-label::after {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: 6px;
  border-radius: 50%;
  background: #d58b18;
  vertical-align: middle;
  content: "";
}

.workspace-tab-close {
  display: grid;
  width: 24px;
  height: 24px;
  margin-right: 4px;
  padding: 0;
  place-items: center;
  flex: 0 0 24px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: inherit;
  font: 600 16px/1 "Microsoft YaHei", sans-serif;
  opacity: .48;
  cursor: pointer;
}

.workspace-tab:hover .workspace-tab-close,
.workspace-tab.is-active .workspace-tab-close {
  opacity: .82;
}

.workspace-tab-close:hover {
  background: color-mix(in srgb, currentColor 10%, transparent);
}

.workspace-tabs-actions {
  position: relative;
  z-index: 3;
  display: flex;
  height: 100%;
  flex: 0 0 auto;
  align-items: center;
  gap: 1px;
  padding: 0 4px 0 6px;
  border-left: 1px solid var(--workspace-tab-border);
  background: var(--workspace-tab-surface);
}

.workspace-tabs-control,
.workspace-tabs-disclosure > summary {
  display: grid;
  width: 30px;
  height: 30px;
  margin: 0;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--workspace-tab-text);
  font: 600 16px/1 system-ui, sans-serif;
  list-style: none;
  cursor: pointer;
}

.workspace-tabs-disclosure > summary::-webkit-details-marker {
  display: none;
}

.workspace-tabs-control:hover,
.workspace-tabs-disclosure > summary:hover,
.workspace-tabs-disclosure[open] > summary {
  background: color-mix(in srgb, var(--workspace-tab-accent) 9%, var(--app-panel-bg, #fff));
  color: var(--app-content-text, #263442);
}

.workspace-tabs-more-mark {
  position: relative;
  top: -2px;
  letter-spacing: 1px;
}

.workspace-tabs-disclosure {
  position: relative;
}

.workspace-tabs-panel {
  position: absolute;
  z-index: 2400;
  top: calc(100% + 6px);
  right: 0;
  min-width: 180px;
  padding: 6px;
  border: 1px solid var(--workspace-tab-border);
  border-radius: 9px;
  background: var(--app-panel-bg, #fff);
  color: var(--app-content-text, #263442);
  box-shadow: 0 14px 36px rgba(26, 43, 57, .18);
}

.workspace-tabs-overview-panel {
  width: min(290px, calc(100vw - 232px));
  max-height: min(420px, calc(100vh - 132px));
  overflow-y: auto;
}

.workspace-tabs-panel a,
.workspace-tabs-panel button {
  display: flex;
  width: 100%;
  min-height: 34px;
  margin: 0;
  padding: 7px 9px;
  align-items: center;
  gap: 8px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: inherit;
  font: 500 13px/1.35 "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

.workspace-tabs-panel a:hover,
.workspace-tabs-panel button:hover:not(:disabled),
.workspace-tabs-panel a.is-current {
  background: color-mix(in srgb, var(--workspace-tab-accent) 10%, var(--app-panel-bg, #fff));
}

.workspace-tabs-panel button:disabled {
  opacity: .38;
  cursor: default;
}

.workspace-tabs-overview-check {
  width: 16px;
  flex: 0 0 16px;
  color: var(--workspace-tab-accent);
  font-weight: 800;
  text-align: center;
}

.workspace-tabs-overview-label {
  min-width: 0;
  overflow: hidden;
  flex: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workspace-tabs-menu-panel button + button {
  border-top: 1px solid color-mix(in srgb, var(--workspace-tab-border) 62%, transparent);
  border-radius: 0 0 6px 6px;
}

body.layout-style-integrated .layout > main > .workspace-tabs-bar {
  margin: -16px -24px 12px;
}

@media (min-width: 701px) {
  body.layout-style-integrated .integrated-action-bar:has(> .workspace-tabs-bar) {
    display: flex;
    min-width: 0;
    height: 38px;
    align-items: stretch;
    overflow: visible;
    border-bottom: 1px solid var(--workspace-tab-border);
    background: var(--workspace-tab-surface);
    box-shadow: inset 0 -1px 0 var(--workspace-tab-divider);
  }

  body.layout-style-integrated .integrated-action-bar > .workspace-tabs-bar {
    position: static;
    width: 100%;
    height: 38px;
    margin: 0;
    padding: 0 8px;
    border: 0;
    background: transparent;
  }
}

html.ai-app-view .layout > main > .workspace-tabs-bar {
  height: 38px;
  margin: -16px -18px 6px;
}

html.ai-app-view body.layout-style-integrated .layout > main > .workspace-tabs-bar {
  margin: -3px -12px 6px;
}

html.ai-app-view .layout > main:has(> .workspace-tabs-bar) > .ai-page {
  height: calc(100% - 44px);
}

@media (max-width: 1100px) and (min-width: 701px) {
  .workspace-tab {
    min-width: 116px;
    flex: 0 0 132px;
  }

  .workspace-tab.is-home {
    min-width: 78px;
    flex-basis: 78px;
  }
}

@media (max-width: 700px) {
  .workspace-tabs-bar,
  body.layout-style-integrated .layout > main > .workspace-tabs-bar,
  html.ai-app-view .layout > main > .workspace-tabs-bar,
  html.ai-app-view body.layout-style-integrated .layout > main > .workspace-tabs-bar {
    display: none !important;
  }
}

@media print {
  .workspace-tabs-bar {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .workspace-tab {
    transition: none;
  }
}