/* 拖拽手柄 */
.resize-handle {
  width: 4px;
  background: var(--claude-left-rail);
  cursor: col-resize;
  position: relative;
  transition: background 0.2s;
  flex-shrink: 0;
}

.resize-handle:hover {
  background: var(--claude-highlight);
}

.workspace-region {
  display: flex;
  align-items: stretch;
  flex-shrink: 0;
  margin-left: 52px;
  background: var(--claude-left-rail);
}

/* 侧边栏 */
.sidebar {
  background: var(--claude-left-rail);
  overflow-y: auto;
  flex-shrink: 0;
  border-left: none;
}

.sidebar.left-sidebar {
  display: flex;
  flex-direction: column;
  transition:
    width 0.45s cubic-bezier(0.4, 0, 0.2, 1),
    min-width 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.workspace-panel {
  flex: 0 0 auto;
  overflow: hidden;
  will-change: width, min-width;
  transition:
    width 0.45s cubic-bezier(0.4, 0, 0.2, 1),
    min-width 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.workspace-panel > * {
  width: var(--workspace-content-width);
  min-width: var(--workspace-content-width);
  transition:
    opacity 0.32s ease,
    transform 0.34s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform, opacity;
}

.workspace-panel--collapsed {
  pointer-events: none;
  flex-basis: 0;
  width: 0;
  min-width: 0;
  border: none;
}

.workspace-panel--collapsed > * {
  opacity: 0;
  transform: translateY(-28px);
}

.sidebar-status {
  padding: 18px 18px 8px;
}

.compact-status-card {
  background: var(--claude-left-rail);
  border: 1px solid var(--claude-border);
  border-radius: 18px;
  padding: 14px 16px;
  box-shadow: none;
  display: flex;
  align-items: center;
}

.status-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 18px;
}

.status-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-logo {
  color: var(--claude-accent);
}

.status-logo-image {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.status-logo-inline svg {
  width: 100%;
  height: 100%;
  display: block;
}

.status-logo-inline {
  color: var(--claude-text);
}

.brand-text {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-weight: 600;
  color: var(--claude-text);
}

.brand-name {
  font-size: 16px;
}

.status-indicators {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mode-indicator {
  --mode-indicator-color-1: var(--claude-accent);
  --mode-indicator-color-2: var(--claude-accent-strong);
  border: none;
  cursor: pointer;
  outline: none;
  padding: 0;
  width: 36px;
  height: 36px;
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--mode-indicator-color-1), var(--mode-indicator-color-2));
  color: var(--on-accent);
  box-shadow: none;
  transition:
    background 0.35s ease,
    box-shadow 0.35s ease,
    transform 0.25s ease;
}

.mode-indicator:hover {
  transform: translateY(-1px);
}

.mode-indicator:focus-visible {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--on-accent) 80%, transparent);
}

.mode-indicator.fast {
  --mode-indicator-color-1: var(--accent-deep);
  --mode-indicator-color-2: var(--accent-deep-strong);
}

.mode-indicator.thinking {
  --mode-indicator-color-1: var(--claude-accent);
  --mode-indicator-color-2: var(--claude-accent-strong);
}

.mode-indicator.deep {
  --mode-indicator-color-1: var(--claude-deep);
  --mode-indicator-color-2: var(--claude-deep-strong);
}

.mode-indicator .icon {
  --icon-size: 18px;
  color: inherit;
}

.connection-dot {
  width: 12px;
  height: 12px;
  border-radius: 6px;
  background: var(--status-offline);
  transition:
    background 0.2s ease,
    box-shadow 0.2s ease;
  position: relative;
  overflow: visible;
}

.connection-dot::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--status-offline);
  animation: statusPulse 2.4s ease-out infinite;
}

.connection-dot.active {
  background: var(--claude-success);
}

.connection-dot.active::after {
  background: var(--claude-success);
}

.mode-icon-enter-active,
.mode-icon-leave-active {
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.mode-icon-enter-from,
.mode-icon-leave-to {
  opacity: 0;
  transform: scale(0.5) rotate(8deg);
}

@keyframes statusPulse {
  0% {
    transform: scale(1);
    opacity: 0.35;
  }
  70% {
    transform: scale(2.2);
    opacity: 0;
  }
  100% {
    transform: scale(2.2);
    opacity: 0;
  }
}

.sidebar-header {
  padding: 23px;
  border-bottom: 1px solid var(--claude-border);
  position: sticky;
  top: 0;
  background: var(--claude-left-rail);
  z-index: 10;
  backdrop-filter: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-header h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--claude-text);
  margin: 0;
}

.sidebar-manage-btn {
  border: 1px solid var(--border-default);
  background: var(--surface-soft);
  color: var(--claude-text);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  transition:
    background 0.2s,
    border-color 0.2s;
}

.sidebar-manage-btn:hover {
  background: var(--surface-soft);
  border-color: var(--border-strong);
}

.sidebar-view-toggle {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--surface-soft);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: all 0.2s ease;
  color: var(--claude-text);
}

.sidebar-view-toggle:hover {
  background: var(--surface-soft);
}

.sidebar-panel-card-wrapper {
  padding: 0 18px 24px;
  flex: 1 1 auto;
  display: flex;
  min-height: 0;
}

.sidebar-panel-card {
  background: var(--claude-left-rail);
  border: 1px solid var(--claude-border);
  border-radius: 18px;
  box-shadow: none;
  width: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

.sidebar-panel-card .sidebar-header {
  border-radius: 18px 18px 0 0;
}

.sidebar-panel-content {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  background: var(--claude-left-rail);
  padding: 6px 12px 24px;
  border-radius: 0 0 18px 18px;
  border-top: 1px solid rgba(118, 103, 84, 0.12);
}

.panel-menu-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.panel-menu {
  position: absolute;
  left: calc(100% + 8px);
  top: 0;
  display: flex;
  gap: 6px;
  background: var(--surface-soft);
  border: 1px solid var(--border-default);
  border-radius: 8px;
  padding: 6px 8px;
  box-shadow: none;
  z-index: 20;
}

.panel-menu button {
  border: none;
  background: transparent;
  font-size: 18px;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 6px;
}

.panel-menu button.active {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.fade-enter-active,
.fade-leave-active {
  transition: opacity 0.15s ease;
}

.fade-enter-from,
.fade-leave-to {
  opacity: 0;
}

.sidebar.right-sidebar.collapsed {
  width: 0 !important;
  min-width: 0 !important;
  border-left: none;
  overflow: hidden;
  opacity: 0;
  transform: translateX(8px);
}

.sidebar.right-sidebar.collapsed .sidebar-header,
.sidebar.right-sidebar.collapsed .focused-files,
.sidebar.right-sidebar.collapsed .approval-panel-body {
  opacity: 0;
  pointer-events: none;
}

/* 文件树 */
.file-tree {
  flex: 1 1 auto;
  min-height: 0;
  padding: 16px 20px 24px;
  color: var(--claude-text);
  overflow-y: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.file-tree::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.todo-panel {
  flex: 1 1 auto;
  min-height: 0;
  padding: 16px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
}

.sub-agent-panel {
  padding: 16px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
}

/* 左侧四个工作面板统一支持纵向滚动 */
.file-tree,
.todo-panel,
.sub-agent-panel {
  -webkit-overflow-scrolling: touch;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.file-tree::-webkit-scrollbar,
.todo-panel::-webkit-scrollbar,
.sub-agent-panel::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.sub-agent-cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sub-agent-card {
  border: 1px solid var(--border-default);
  border-radius: 10px;
  padding: 12px 14px;
  background: color-mix(in srgb, var(--claude-left-rail) 88%, var(--theme-surface-strong) 12%);
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;

  [data-theme='dark'] & {
    background: color-mix(in srgb, var(--surface-base) 60%, transparent);
    border-color: var(--border-card-strong);
  }
}

.sub-agent-card:hover {
  border-color: var(--accent);
  box-shadow: none;

  [data-theme='dark'] & {
    border-color: var(--accent-hover);
    box-shadow: none;
  }
}

.sub-agent-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  margin-bottom: 4px;
}

.sub-agent-summary-text {
  font-size: 13px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
}

.sub-agent-status {
  text-transform: capitalize;
  font-size: 12px;
  flex-shrink: 0;
  margin-left: 8px;
}

.sub-agent-status.running {
  color: var(--state-info);
}

.sub-agent-status.completed {
  color: var(--state-success);
}

.sub-agent-status.idle {
  color: var(--text-secondary);
}

.sub-agent-status.failed,
.sub-agent-status.timeout,
.sub-agent-status.terminated,
.sub-agent-status.cancelled {
  color: var(--state-danger);
}

.sub-agent-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.sub-agent-name {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
}

.sub-agent-tokens {
  font-size: 11px;
  color: var(--text-secondary);
  opacity: 0.7;
  flex-shrink: 0;
  margin-left: 8px;
}

.sub-agent-summary {
  font-size: 13px;
  color: var(--claude-text);
  margin-bottom: 4px;
}

.background-command-summary {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sub-agent-tool {
  font-size: 12px;
  color: var(--claude-text-secondary);
}

.todo-empty,
.sub-agent-empty,
.file-tree-empty {
  font-size: 14px;
  color: var(--claude-text-secondary);
  padding: 10px 14px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--claude-left-rail) 88%, var(--theme-surface-strong) 12%);
  border: 1px dashed var(--claude-border);
  text-align: center;

  [data-theme='dark'] & {
    background: color-mix(in srgb, var(--surface-base) 90%, transparent);
    border-color: var(--border-strong);
  }
}

.file-tree-empty--host {
  text-align: left;
}

.host-workspace-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.host-workspace-switcher {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.host-workspace-header-box {
  width: min(100%, 360px);
  margin: 0 auto;
  border-radius: 12px;
  border: 1px dashed var(--claude-border-strong);
  background: color-mix(in srgb, var(--claude-left-rail) 90%, var(--theme-surface-strong) 10%);
  padding: 10px 12px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.host-workspace-add-btn {
  position: absolute;
  right: 10px;
  width: 22px;
  height: 22px;
  appearance: none;
  -webkit-appearance: none;
  border: none;
  background: transparent;
  padding: 0;
  color: var(--claude-text);
  font-size: 22px;
  font-weight: 500;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: none;

  &:hover:not(:disabled) {
    color: var(--claude-accent);
  }

  &:disabled {
    opacity: 0.6;
    cursor: not-allowed;
  }
}

.host-workspace-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--claude-text);
  text-align: center;
}

.host-workspace-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.host-workspace-card {
  width: 100%;
  border: 1px solid var(--theme-control-border);
  background: color-mix(in srgb, var(--claude-left-rail) 88%, var(--theme-surface-strong) 12%);
  border-radius: 10px;
  padding: 10px 12px;
  text-align: left;
  color: var(--claude-text);
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    transform 0.2s ease;

  &:hover:not(:disabled) {
    border-color: var(--claude-accent);
    transform: translateY(-1px);
  }

  &:disabled {
    cursor: default;
    opacity: 0.95;
  }

  &.active {
    border-color: var(--claude-accent);
    background: var(--claude-highlight);
  }
}

.host-workspace-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.host-workspace-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--claude-text);
}

.host-workspace-badges {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.host-workspace-badge {
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 11px;
  line-height: 1.2;
  border: 1px solid var(--theme-control-border);
  color: var(--claude-text-secondary);
  background: var(--theme-surface-muted);

  &.default {
    color: var(--claude-deep-strong);
    border-color: color-mix(in srgb, var(--accent-deep-strong) 35%, transparent);
    background: color-mix(in srgb, var(--accent-deep) 14%, transparent);
  }

  &.current {
    color: var(--state-success);
    border-color: color-mix(in srgb, var(--state-success) 35%, transparent);
    background: color-mix(in srgb, var(--state-success) 18%, transparent);
  }

  &.running {
    color: var(--claude-deep-strong);
    border-color: color-mix(in srgb, var(--claude-accent) 34%, transparent);
    background: color-mix(in srgb, var(--claude-highlight) 78%, transparent);
  }
}

[data-theme='dark'] .host-workspace-header-box {
  background: var(--claude-left-rail);
  border-color: var(--border-strong);
}

[data-theme='dark'] .host-workspace-card {
  background: color-mix(in srgb, var(--claude-left-rail) 88%, var(--theme-surface-strong) 12%);

  &:hover:not(:disabled) {
    background: var(--badge-bg);
  }

  &.active {
    background: color-mix(in srgb, var(--badge-bg) 100%, white 4%);
  }
}

[data-theme='dark'] .host-workspace-badge {
  &.default {
    color: var(--accent-deep);
    border-color: color-mix(in srgb, var(--accent-deep) 35%, transparent);
    background: color-mix(in srgb, var(--accent-deep) 16%, transparent);
  }

  &.current {
    color: var(--state-success);
    border-color: color-mix(in srgb, var(--state-success) 34%, transparent);
    background: color-mix(in srgb, var(--state-success) 20%, transparent);
  }

  &.running {
    color: var(--accent-deep);
    border-color: color-mix(in srgb, var(--accent-deep) 35%, transparent);
    background: color-mix(in srgb, var(--accent-deep) 16%, transparent);
  }
}

.host-workspace-path {
  font-size: 12px;
  color: var(--claude-text-secondary);
  word-break: break-all;
}

.host-workspace-hint {
  font-size: 12px;
  color: var(--claude-text-secondary);
}

.todo-task {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border: 1px solid var(--border-default);
  border-radius: 10px;
  font-size: 13px;
  color: var(--claude-text);
  background: color-mix(in srgb, var(--claude-left-rail) 88%, var(--theme-surface-strong) 12%);
}

.todo-task.done {
  background: color-mix(in srgb, var(--state-success) 8%, transparent);
  border-color: color-mix(in srgb, var(--state-success) 30%, transparent);
}

.todo-task-title {
  flex: 1;
}

.todo-task-status {
  font-weight: 600;
  font-size: 12px;
  margin-left: 12px;
}

.todo-instruction {
  font-size: 12px;
  color: var(--claude-text-secondary);
  margin-top: 8px;
}

.file-node-wrapper {
  font-size: 14px;
  color: var(--claude-text);
  font-family: inherit;
}

.folder-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: none;
  background: transparent;
  color: inherit;
  cursor: pointer;
  border-radius: 8px;
  transition:
    background 0.2s ease,
    transform 0.2s ease;
  text-align: left;
  font-family: inherit;
}

.folder-header:hover {
  background: var(--claude-highlight);
  transform: translateX(2px);
}

.folder-arrow {
  width: 12px;
  text-align: center;
  color: var(--claude-text-secondary);
  font-size: 12px;
}

.folder-icon,
.file-icon {
  width: 18px;
  text-align: center;
}

.folder-name,
.file-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: inherit;
}
.folder-children {
  margin-left: 14px;
  padding-left: 6px;
  border-left: 1px dashed rgba(0, 0, 0, 0.08);
}

.folder-children .file-node-wrapper {
  margin-left: 0;
}

.file-node.file-leaf {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 8px;
  font-family: inherit;
}

.file-node.file-leaf:hover {
  background: var(--claude-highlight);
}

.file-node .annotation {
  color: var(--claude-text-secondary);
  font-size: 12px;
  margin-left: 8px;
}

.context-menu {
  position: fixed;
  background: var(--surface-raised);
  border: 1px solid var(--border-default);
  border-radius: 8px;
  box-shadow: none;
  z-index: 3000;
  min-width: 180px;
  padding: 6px 0;
}

.context-menu button {
  width: 100%;
  padding: 8px 18px;
  background: transparent;
  border: none;
  text-align: left;
  font-size: 13px;
  color: var(--text-primary);
  cursor: pointer;
  transition: background 0.15s ease;
}

.context-menu button:hover {
  background: color-mix(in srgb, var(--state-info) 12%, transparent);
}

.context-menu button:disabled {
  color: var(--text-tertiary);
  cursor: not-allowed;
  background: transparent;
}

/* Targeted refinement: keep workspace content/layout, only polish switcher/menu/manage controls. */
.sidebar-manage-btn {
  height: 32px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--claude-text);
  padding: 0 11px;
  font-size: 13px;
  cursor: pointer;
  transition:
    background 140ms ease,
    color 140ms ease;
}

.sidebar-manage-btn:hover {
  background: var(--theme-tab-active);
  border-color: transparent;
}

.sidebar-view-toggle {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  border: 0;
  background: transparent;
  color: var(--claude-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background 140ms ease,
    color 140ms ease;
}

.sidebar-view-toggle:hover {
  background: var(--theme-tab-active);
}

.panel-menu {
  left: calc(100% + 8px);
  top: 0;
  display: flex;
  gap: 4px;
  background: var(--claude-left-rail);
  border: 1px solid var(--claude-border);
  border-radius: 14px;
  padding: 6px;
  box-shadow: none;
  z-index: 20;
}

.panel-menu button {
  width: 34px;
  height: 34px;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
  border-radius: 10px;
  color: var(--claude-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition:
    background 140ms ease,
    color 140ms ease;
}

.panel-menu button:hover,
.panel-menu button.active {
  background: var(--theme-tab-active);
}

/* 后台指令停止按钮 */
.background-stop-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 28px;
  padding: 0 10px;
  border: 1px solid var(--claude-border);
  border-radius: 10px;
  background: transparent;
  color: var(--state-error);
  font-size: 12px;
  line-height: 1.2;
  cursor: pointer;
  transition: background 140ms ease, color 140ms ease;
}

.background-stop-btn:hover {
  background: color-mix(in srgb, var(--state-error) 12%, transparent);
}

.background-stop-label {
  font-weight: 500;
}