/* ========================================
 *  TBP 工作流画布样式
 *  版本: v1.1 | 依赖: tbp-theme.css
 *
 *  🍞 AI面包屑:
 *   @COUPLED public/chat.html, desktop/renderer/chat.html
 *   @WHY 2026-07-11: P1-1 硬编码色→tokens + P0-2 新增 768px 响应式断点
 *   @BUGFIX 2026-07-11: P2-2 全文 <11px 字号提升至 11px（9/10→11）
 *   @WHY 2026-07-11: P2-1 font-size:11px→0.6875rem（px→rem无障碍）
 *   @GOTCHA #9ca3af 在 L72 是 var() fallback，替换时需手动保护
 * ======================================== */

/* ===== 画布容器 ===== */
.wf-layout {
  display: flex; flex: 1; min-height: 0;
  width: 100%; height: 100%;
  overflow: hidden;
}
.wf-canvas-wrap {
  flex: 1; position: relative; overflow: hidden;
  background: var(--tbp-bg-canvas);
  background-image:
    radial-gradient(circle, var(--tbp-separator) 1px, transparent 1px);
  background-size: 20px 20px;
}
.wf-canvas {
  position: absolute; width: 4000px; height: 4000px;
  top: 0; left: 0;
}
/* 连线层 */
.wf-edges-svg {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none; z-index: 1;
}
.wf-edge-path {
  fill: none; stroke: var(--tbp-text-muted); stroke-width: 2.5;
  marker-end: url(#wfArrowhead);
  cursor: pointer;
}
/* 点击热区：透明宽描边，8px 容易点到。pointer-events: auto 覆盖父层 SVG 的 none */
.wf-edge-hit {
  fill: none; stroke: transparent; stroke-width: 10;
  pointer-events: auto; cursor: pointer;
}
.wf-edge-hit:hover {
  stroke: rgba(239, 68, 68, 0.25);
}
.wf-edge-path:hover {
  stroke: var(--tbp-accent, #667eea);
}
.wf-edge-path.wf-edge-selected {
  stroke: var(--tbp-accent, #667eea); stroke-width: 3;
}

/* ===== 节点 ===== */
.wf-node {
  /* 🍞 2026-07-29(卡片统一·用户拍板): 固定宽 200px——原 140~200 弹性宽由内容撑开，触发器/LLM 步窄、媒体步宽=大小不一致 */
  position: absolute; width: 200px;
  background: var(--tbp-bg-secondary);
  border: 1px solid var(--tbp-border-strong); border-radius: 8px;
  cursor: move; user-select: none; z-index: 2;
  transition: box-shadow .15s, border-color .15s;
  box-sizing: border-box;
}
.wf-node:hover { border-color: var(--tbp-accent, #667eea); }
.wf-node.wf-node-selected {
  border-color: var(--tbp-accent, #667eea);
  box-shadow: 0 0 0 2px rgba(102,126,234,.3);
}
.wf-node.wf-node-dragging { opacity: 0.85; z-index: 10; }
.wf-node-header {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 10px; font-size: 12px; font-weight: 600;
  color: var(--tbp-fg-bright); border-radius: 7px 7px 0 0;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.wf-node-body {
  padding: 6px 10px;
  font-size: 0.6875rem; color: var(--tbp-text-dim, #9ca3af);
  min-height: 24px;
  position: relative;
}
.wf-node.wf-node-mini { min-width: 100px; }
.wf-node.wf-node-mini .wf-node-header { font-size: 0.6875rem; padding: 4px 8px; }
.wf-node.wf-node-mini .wf-node-body { padding: 4px 8px; font-size: 0.6875rem; }

/* 节点端口（连线连接点） */
.wf-port {
  position: absolute; width: 10px; height: 10px;
  background: var(--tbp-text-muted); border: 2px solid var(--tbp-bg-secondary);
  border-radius: 50%; z-index: 5; cursor: crosshair;
  /* 点击热区（padding 扩大可点区域但不可见） */
  padding: 3px;
  background-clip: content-box;
  box-sizing: content-box;
}
.wf-port.wf-port-in {
  left: -8px; top: 50%; transform: translateY(-50%);
}
.wf-port.wf-port-out {
  right: -8px; top: 50%; transform: translateY(-50%);
}
.wf-port:hover { background: var(--tbp-accent, #667eea); }

/* 节点类型颜色 */
.wf-node-type-step_card .wf-node-header { background: #667eea; }
.wf-node-type-start .wf-node-header { background: #3b82f6; }
.wf-node-type-end .wf-node-header { background: var(--tbp-danger); }
.wf-node-type-screenshot .wf-node-header,
.wf-node-type-click_coord .wf-node-header,
.wf-node-type-click_control .wf-node-header,
.wf-node-type-type .wf-node-header,
.wf-node-type-key_combo .wf-node-header,
.wf-node-type-scroll .wf-node-header { background: #f59e0b; }
.wf-node-type-enumerate_windows .wf-node-header,
.wf-node-type-enumerate_controls .wf-node-header,
.wf-node-type-wait_control .wf-node-header,
.wf-node-type-read_text .wf-node-header { background: #10b981; }
.wf-node-type-wait .wf-node-header,
.wf-node-type-condition .wf-node-header,
.wf-node-type-loop .wf-node-header { background: var(--tbp-accent-2); }
.wf-node-type-llm_call .wf-node-header,
.wf-node-type-llm_vision .wf-node-header { background: #ec4899; }
.wf-node-type-screenshot_verify .wf-node-header,
.wf-node-type-assert_text .wf-node-header { background: #06b6d4; }
.wf-node-type-http_request .wf-node-header,
.wf-node-type-file_op .wf-node-header,
.wf-node-type-launch_app .wf-node-header { background: #6366f1; }

/* 系统托盘监听节点 */
.wf-node-type-tray_watcher .wf-node-header { background: #10b981; }

/* ─── 常用节点皮肤（cv_*，2026-07-29 总控画布一期；与 wf-builder.js TOOL_DEFS headerColor 同款，改色两边同步）─── */
.wf-node-type-cv_trigger .wf-node-header { background: #22c55e; }
.wf-node-type-cv_llm .wf-node-header { background: #8b5cf6; }
.wf-node-type-cv_rpa .wf-node-header { background: #3b82f6; }
.wf-node-type-cv_genimg .wf-node-header { background: #ec4899; }
.wf-node-type-cv_genvid .wf-node-header { background: #f97316; }
.wf-node-type-cv_tts .wf-node-header { background: #06b6d4; }
.wf-node-type-cv_digest .wf-node-header { background: #eab308; }
.wf-node-type-cv_cut .wf-node-header { background: #ef4444; }

/* 节点库：常用区图例 + 高级区子组标题 + 高级条目视觉降级 */
.wf-tool-group-title-static { cursor: default; }
.wf-tool-group-title-static:hover { background: transparent; }
.wf-tool-legend {
  padding: 6px 10px 8px; font-size: 10px; color: var(--tbp-fg-subdued);
  border-top: 1px dashed rgba(255,255,255,.06);
}
.wf-tool-subgroup {
  padding: 6px 10px 2px; font-size: 10px; color: var(--tbp-fg-subdued);
  letter-spacing: .05em; user-select: none;
}
.wf-tool-item-adv { opacity: .62; }
.wf-tool-item-adv:hover { opacity: 1; }

/* 托盘应用列表项 */
.wf-tray-app-item {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 10px; font-size: 12px; color: var(--tbp-fg-subdued);
  cursor: pointer; border-radius: 4px; transition: all .12s;
}
.wf-tray-app-item:hover { background: rgba(102,126,234,.12); color: var(--tbp-fg-bright); }
.wf-tray-app-item.wf-tray-app-active {
  background: rgba(102,126,234,.18); color: var(--tbp-accent, #667eea);
  font-weight: 600;
}

/* ===== 拖拽连线引导线 ===== */
.wf-wire {
  position: absolute; z-index: 9; pointer-events: none;
  stroke: var(--tbp-accent, #667eea); stroke-width: 2;
  stroke-dasharray: 6 3;
}

/* ===== 画布工具栏（左侧竖排）===== */
.wf-toolbar {
  position: absolute; top: 50%; left: 12px; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 6px; z-index: 20;
  align-items: center;
}
.wf-toolbar button {
  background: var(--tbp-bg-secondary); border: 1px solid var(--tbp-border-strong);
  border-radius: 6px; color: var(--tbp-fg-subdued); padding: 6px 10px;
  font-size: 12px; cursor: pointer; transition: all .15s;
  display: flex; align-items: center; justify-content: center;
  min-width: 34px; min-height: 34px;
}
.wf-toolbar button:hover { border-color: var(--tbp-accent, #667eea); color: var(--tbp-fg-bright); }
.wf-toolbar button.wf-tb-active {
  background: var(--tbp-accent, #667eea); color: #fff; border-color: var(--tbp-accent, #667eea);
}
/* 主要操作按钮（新增步骤卡片）*/
.wf-toolbar .wf-tb-primary {
  background: var(--tbp-accent, #667eea); color: #fff; border-color: var(--tbp-accent, #667eea);
  font-size: 16px; font-weight: 700; min-height: 40px; min-width: 40px;
}
.wf-toolbar .wf-tb-primary:hover { opacity: .85; background: #5a6fd6; }
/* 图标按钮（收起尺寸）*/
.wf-toolbar .wf-tb-icon {
  min-width: 30px; min-height: 30px; padding: 4px;
  font-size: 14px;
}
.wf-zoom-label {
  display: flex; align-items: center; justify-content: center;
  font-size: 0.6875rem; color: var(--tbp-text-dim); padding: 4px 6px;
  background: var(--tbp-bg-secondary); border: 1px solid var(--tbp-border-strong);
  border-radius: 6px; min-width: 34px; min-height: 24px;
}

/* ===== 选择工具自绘下拉（2026-07-29 下拉滚轮收起根治：原生 select 在 Electron/Win 弹层滚轮即收起，换自绘 wf-node-picker 同族）===== */
.wf-toolpick-btn { display: block; text-align: left; cursor: pointer; }
.wf-toolpick-btn:hover { border-color: var(--tbp-accent, #667eea); }
.wf-np-item-on { background: rgba(102,126,234,.16); border-radius: 6px; }

/* ===== 节点选择菜单（＋按钮弹出，2026-07-29 入口统一）===== */
.wf-node-picker {
  position: fixed; z-index: var(--tbp-z-dropdown, 100);
  width: 280px; max-height: 70vh; overflow-y: auto;
  background: var(--tbp-bg-secondary); border: 1px solid var(--tbp-border-strong);
  border-radius: 10px; padding: 8px; box-shadow: 0 12px 32px rgba(0,0,0,.45);
}
.wf-np-title { font-size: 11px; color: var(--tbp-text-dim); padding: 4px 8px 8px; }
.wf-np-item {
  display: flex; align-items: center; gap: 8px; padding: 7px 8px;
  border-radius: 8px; cursor: pointer; transition: background .12s;
}
.wf-np-item:hover { background: rgba(102,126,234,.12); }
.wf-np-icon {
  width: 28px; height: 28px; border-radius: 7px; flex: none;
  display: flex; align-items: center; justify-content: center; font-size: 15px;
}
.wf-np-item-sm .wf-np-icon { width: 22px; height: 22px; font-size: 12px; }
.wf-np-text { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.wf-np-label { font-size: 12.5px; color: var(--tbp-fg-bright); }
.wf-np-desc { font-size: 10.5px; color: var(--tbp-text-dim); line-height: 1.35; }
.wf-np-adv { margin-top: 6px; border-top: 1px solid var(--tbp-border-strong); padding-top: 6px; }
.wf-np-adv summary {
  font-size: 11px; color: var(--tbp-text-dim); cursor: pointer; padding: 4px 8px;
  list-style: none;
}
.wf-np-adv summary::before { content: '▸ '; }
.wf-np-adv[open] summary::before { content: '▾ '; }
.wf-np-group { font-size: 10px; color: var(--tbp-text-dim); padding: 6px 8px 2px; opacity: .8; }

/* ===== 右键菜单 ===== */
.wf-context-menu {
  position: fixed; z-index: var(--tbp-z-dropdown);
  background: var(--tbp-bg-secondary); border: 1px solid var(--tbp-border-strong);
  border-radius: 8px; padding: 4px 0; min-width: 140px;
  box-shadow: 0 8px 24px rgba(0,0,0,.5);
}
.wf-context-item {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 14px; font-size: 12px; color: var(--tbp-text-secondary);
  cursor: pointer; transition: background .1s;
}
.wf-context-item:hover { background: rgba(102,126,234,.15); }
.wf-context-item.wf-context-danger { color: var(--tbp-danger); }
.wf-context-item.wf-context-danger:hover { background: rgba(239,68,68,.15); }
.wf-context-sep {
  height: 1px; background: var(--tbp-border-strong); margin: 4px 0;
}

/* ===== 悬浮提示 ===== */
.wf-toast {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
  background: rgba(0,0,0,.82); color: var(--tbp-fg-bright); font-size: 13px;
  padding: 10px 20px; border-radius: 6px; z-index: var(--tbp-z-toast);
  pointer-events: none; opacity: 0; transition: opacity .25s;
}
.wf-toast-in { opacity: 1; }

/* ===== 空画布提示 ===== */
.wf-empty-hint {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  text-align: center; pointer-events: none;
}
.wf-empty-hint-icon { font-size: 48px; margin-bottom: 12px; opacity: .4; }
.wf-empty-hint-text { font-size: 14px; color: var(--tbp-text-dim); }
.wf-empty-hint-sub  { font-size: 12px; color: var(--tbp-text-muted); margin-top: 4px; }

/* ===== 右侧面板（始终显示）===== */
.wf-sidebar {
  width: 300px; min-width: 260px; max-width: 420px;
  background: var(--tbp-bg-canvas); border-left: 1px solid var(--tbp-separator);
  display: flex; flex-direction: row; overflow: hidden;
  flex-shrink: 0; position: relative;
}
/* 内部内容容器 */
.wf-sidebar-inner {
  flex: 1; display: flex; flex-direction: column; overflow: hidden;
  min-width: 260px;
}
.wf-sidebar-placeholder {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; height: 100%; color: var(--tbp-text-dim);
  text-align: center; font-size: 13px; padding: 20px;
}
.wf-sidebar-placeholder-icon { font-size: 32px; margin-bottom: 12px; opacity: .4; }

.wf-sb-tabs {
  display: flex; border-bottom: 1px solid var(--tbp-separator); flex-shrink: 0;
}
.wf-sb-tab {
  flex: 1; padding: 10px 8px; background: none; border: none;
  color: var(--tbp-text-dim); font-size: 12px; cursor: pointer;
  border-bottom: 2px solid transparent; transition: all .15s;
}
.wf-sb-tab:hover { color: var(--tbp-text-secondary); }
.wf-sb-tab.wf-sb-active {
  color: var(--tbp-fg-bright); border-bottom-color: var(--tbp-accent, #667eea);
}
.wf-sb-trial-btn {
  flex-shrink: 0; padding: 10px 10px; background: none; border: none;
  color: #667eea; font-size: 12px; cursor: pointer;
  border-bottom: 2px solid transparent; transition: all .15s;
  margin-left: 2px;
}
.wf-sb-trial-btn:hover { color: #a78bfa; border-bottom-color: #a78bfa; }

.wf-sb-body {
  flex: 1; overflow-y: auto; padding: 8px 0;
}
.wf-sb-body::-webkit-scrollbar { width: 4px; }
.wf-sb-body::-webkit-scrollbar-thumb { background: var(--tbp-separator); border-radius: 2px; }

/* 工具目录 */
.wf-tool-group {
  margin-bottom: 4px;
}
.wf-tool-group-title {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 12px; font-size: 12px; font-weight: 600;
  color: var(--tbp-fg-subdued); cursor: pointer; user-select: none;
  transition: background .1s;
}
.wf-tool-group-title:hover { background: rgba(255,255,255,.03); }
.wf-tool-group-title .wf-tg-arrow {
  font-size: 0.6875rem; transition: transform .2s;
}
.wf-tool-group.collapsed .wf-tg-arrow { transform: rotate(-90deg); }
.wf-tool-group.collapsed .wf-tool-items { display: none; }

.wf-tool-item {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 12px 7px 28px; font-size: 12px;
  color: var(--tbp-text-secondary); cursor: grab;
  transition: background .1s; user-select: none;
}
.wf-tool-item:hover { background: rgba(102,126,234,.1); }
.wf-tool-item:active { cursor: grabbing; }
.wf-tool-item .wf-tool-icon { font-size: 14px; width: 18px; text-align: center; }
.wf-tool-item .wf-tool-name { flex: 1; }

/* 拖拽幽灵 */
.wf-drag-ghost {
  position: fixed; pointer-events: none; z-index: var(--tbp-z-toast);
  padding: 6px 12px; background: var(--tbp-accent, #667eea);
  color: #fff; font-size: 12px; border-radius: 6px;
  white-space: nowrap; opacity: .85;
}

/* LLM 配置区 */
.wf-config-section {
  padding: 10px 14px; border-bottom: 1px solid var(--tbp-separator);
}
.wf-config-label {
  font-size: 0.6875rem; color: var(--tbp-text-dim); margin-bottom: 4px; font-weight: 600;
}
.wf-config-input,
.wf-config-select,
.wf-config-textarea {
  width: 100%; padding: 6px 10px;
  background: var(--tbp-bg-input-alt); border: 1px solid var(--tbp-border-input);
  border-radius: 5px; color: var(--tbp-fg-bright); font-size: 12px;
  outline: none; font-family: inherit; box-sizing: border-box;
}
.wf-config-input:focus,
.wf-config-select:focus,
.wf-config-textarea:focus { border-color: var(--tbp-accent, #667eea); }
.wf-config-textarea { resize: vertical; min-height: 60px; }
.wf-config-row {
  display: flex; gap: 8px; margin-top: 8px;
}
.wf-config-half { flex: 1; }

/* 节点属性区 */
.wf-prop-section {
  padding: 10px 14px; border-bottom: 1px solid var(--tbp-separator);
}
.wf-prop-label {
  font-size: 0.6875rem; color: var(--tbp-text-dim); margin-bottom: 4px; font-weight: 600;
}
.wf-prop-row {
  display: flex; gap: 6px;
}
.wf-btn {
  padding: 5px 12px; border: 1px solid var(--tbp-border-input);
  border-radius: 5px; background: var(--tbp-bg-input-alt); color: var(--tbp-text-secondary);
  font-size: 12px; cursor: pointer; transition: all .15s;
}
.wf-btn:hover { border-color: var(--tbp-accent, #667eea); }
.wf-btn-primary {
  background: var(--tbp-accent, #667eea); color: #fff; border-color: var(--tbp-accent, #667eea);
}
.wf-btn-primary:hover { opacity: .9; }
.wf-btn-danger { color: var(--tbp-danger); border-color: var(--tbp-danger); }
.wf-btn-danger:hover { background: rgba(239,68,68,.1); }

/* 选中的控件列表 */
.wf-control-list {
  max-height: 200px; overflow-y: auto; margin-top: 6px;
}
.wf-control-item {
  display: flex; align-items: center; gap: 6px;
  padding: 4px 8px; font-size: 0.6875rem; color: var(--tbp-fg-subdued);
  cursor: pointer; border-radius: 4px;
}
.wf-control-item:hover { background: rgba(102,126,234,.1); color: var(--tbp-fg-bright); }
.wf-control-item.wf-control-selected {
  background: rgba(102,126,234,.15); color: var(--tbp-accent, #667eea);
}


/* ===== Agent 测试聊天面板 ===== */
.wf-sidebar.wf-sidebar-chat-mode {
  width: 340px;
}
.wf-agent-chat-header {
  display: flex; flex-direction: column; gap: 8px;
  padding: 10px 14px; border-bottom: 1px solid var(--tbp-separator);
  flex-shrink: 0;
}
.wf-agent-chat-header-actions {
  display: flex; align-items: center; gap: 8px;
}
.wf-agent-chat-trial-btn {
  padding: 5px 12px; background: #059669; border: none;
  border-radius: 6px; color: #fff; font-size: 12px;
  cursor: pointer; white-space: nowrap; font-weight: 600;
  flex-shrink: 0;
}
.wf-agent-chat-trial-btn:hover { opacity: .9; }
.wf-agent-chat-back {
  background: none; border: 1px solid var(--tbp-border-strong); color: var(--tbp-fg-subdued);
  border-radius: 4px; padding: 3px 8px; font-size: 0.6875rem;
  cursor: pointer; white-space: nowrap;
}
.wf-agent-chat-back:hover { border-color: #667eea; color: var(--tbp-fg-bright); }
.wf-agent-chat-title {
  flex: 1; display: flex; flex-direction: column;
}
.wf-agent-chat-title span:first-child {
  font-size: 13px; font-weight: 600; color: var(--tbp-fg-bright);
}
.wf-agent-chat-subtitle {
  font-size: 0.6875rem; color: var(--tbp-text-dim);
}
.wf-agent-chat-model {
  display: flex; align-items: center; gap: 6px;
  padding: 4px 0 0 0;
}
.wf-agent-chat-model-label {
  font-size: 0.6875rem; color: var(--tbp-fg-subdued); white-space: nowrap;
}
.wf-agent-chat-model select {
  flex: 1; background: var(--tbp-separator); color: var(--tbp-fg-bright);
  border: 1px solid #374151; border-radius: 4px;
  padding: 3px 6px; font-size: 0.6875rem; cursor: pointer;
  max-width: 180px;
}
.wf-agent-chat-stages {
  display: flex; gap: 4px; padding: 8px 14px;
  border-bottom: 1px solid var(--tbp-separator); flex-shrink: 0;
  flex-wrap: wrap;
}
.wf-agent-stage-dot {
  display: flex; align-items: center; gap: 2px;
  font-size: 0.6875rem; color: var(--tbp-text-muted); padding: 2px 0;
  cursor: default;
}
.wf-agent-stage-dot.done { color: #4ade80; }
.wf-agent-stage-dot.current { color: var(--tbp-accent-2); font-weight: 600; }
.wf-agent-stage-label { font-size: 0.6875rem; }

/* AI辅助聊天容器 — flex column 保证输入框固定在底部 */
.wf-agent-chat {
  display: flex; flex-direction: column; height: 100%; overflow: hidden;
}
.wf-agent-chat-messages {
  flex: 1; overflow-y: auto; padding: 10px 14px;
  display: flex; flex-direction: column; gap: 8px;
}
.wf-agent-chat-empty {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; height: 100%; color: var(--tbp-text-dim);
  text-align: center; font-size: 13px; gap: 10px;
}
.wf-agent-chat-empty-icon { font-size: 32px; opacity: .5; }

/* AI辅助 完整输入框 */
.wf-agent-chat-input {
  flex-shrink: 0; padding: 8px 10px 6px;
  border-top: 1px solid var(--tbp-separator);
}
.wf-agent-chat-input-container {
  background: var(--tbp-bg-secondary); border: 1px solid var(--tbp-border-strong);
  border-radius: 10px; padding: 8px 10px 6px;
}
.wf-agent-chat-input-toolbar {
  display: flex; align-items: center; gap: 4px; margin-bottom: 6px;
}
.wf-agent-chat-input-toolbar .tb-btn {
  padding: 3px 8px; background: var(--tbp-bg-input-alt); border: 1px solid var(--tbp-border-input);
  border-radius: 5px; color: var(--tbp-fg-subdued); font-size: 12px;
  cursor: pointer; transition: all .15s;
}
.wf-agent-chat-input-toolbar .tb-btn:hover { border-color: #667eea; color: var(--tbp-fg-bright); }
.wf-agent-chat-attachment-preview {
  display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 6px;
}
.wf-agent-chat-attachment-preview .att-item {
  display: flex; align-items: center; gap: 4px;
  padding: 2px 8px; background: rgba(102,126,234,.15);
  border-radius: 4px; font-size: 0.6875rem; color: #a78bfa;
}
.wf-agent-chat-attachment-preview .att-remove {
  background: none; border: none; color: var(--tbp-text-dim); cursor: pointer; font-size: 12px;
}
.wf-agent-chat-attachment-preview .att-remove:hover { color: var(--tbp-danger); }
.wf-agent-input-textarea {
  display: block; width: 100%; padding: 6px 10px;
  background: var(--tbp-bg-input-alt); border: 1px solid var(--tbp-border-input);
  border-radius: 6px; color: var(--tbp-fg-bright);
  resize: none; font-size: 12px; outline: none;
  min-height: 38px; max-height: 100px;
  box-sizing: border-box; font-family: inherit;
}
.wf-agent-input-textarea:focus { border-color: #667eea; }
.wf-agent-chat-input-bottom {
  display: flex; align-items: center; gap: 4px; margin-top: 6px;
}
.wf-agent-chat-input-bottom .tb-btn {
  padding: 3px 8px; background: var(--tbp-bg-input-alt); border: 1px solid var(--tbp-border-input);
  border-radius: 5px; color: var(--tbp-fg-subdued); font-size: 0.6875rem;
  cursor: pointer; transition: all .15s; white-space: nowrap;
}
.wf-agent-chat-input-bottom .tb-btn:hover { border-color: #667eea; color: var(--tbp-fg-bright); }
.wf-agent-send-btn {
  width: 30px; height: 30px; background: #667eea; border: none;
  border-radius: 50%; color: #fff; font-size: 14px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.wf-agent-send-btn:disabled { opacity: .4; cursor: not-allowed; }

/* Agent 消息气泡 */
.wf-agent-msg { display: flex; flex-direction: column; }
.wf-agent-bubble {
  max-width: 100%; padding: 8px 12px; border-radius: 8px;
  font-size: 12px; line-height: 1.5; word-break: break-word;
}
.wf-agent-bubble-user {
  align-self: flex-end; background: rgba(102,126,234,.2);
  color: var(--tbp-fg-bright); border: 1px solid rgba(102,126,234,.3);
}
.wf-agent-bubble-assistant {
  background: var(--tbp-bg-input-alt); color: var(--tbp-text-secondary); border: 1px solid var(--tbp-border-strong);
}
.wf-agent-bubble-error {
  background: rgba(239,68,68,.1); color: var(--tbp-danger);
  border: 1px solid rgba(239,68,68,.2);
}

/* 工具调用卡片 */
.wf-agent-tool-card {
  background: var(--tbp-bg-input-alt); border: 1px solid var(--tbp-border-strong);
  border-radius: 8px; overflow: hidden; font-size: 0.6875rem;
}
.wf-agent-tool-card-header {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 10px; background: rgba(102,126,234,.08);
  border-bottom: 1px solid var(--tbp-border-strong); color: #a78bfa;
  font-weight: 600;
}
.wf-agent-tool-icon { font-size: 13px; }
.wf-agent-tool-status { margin-left: auto; font-size: 13px; }
.wf-agent-tool-card-body { padding: 6px 10px; }
.wf-agent-tool-row {
  display: flex; gap: 6px; padding: 2px 0; color: var(--tbp-fg-subdued);
  align-items: flex-start;
}
.wf-agent-tool-key { color: var(--tbp-text-dim); min-width: 32px; flex-shrink: 0; }
.wf-agent-tool-row code {
  font-size: 0.6875rem; background: rgba(255,255,255,.05); padding: 1px 4px;
  border-radius: 3px; max-width: 200px; overflow: hidden; text-overflow: ellipsis;
}

/* 阶段推进提示 */
.wf-agent-stage-banner {
  text-align: center; padding: 6px 12px;
  background: rgba(139,92,246,.08); border: 1px solid rgba(139,92,246,.2);
  border-radius: 6px; color: #a78bfa; font-size: 0.6875rem;
  font-weight: 600;
}

/* ===== 录制工具栏（悬浮窗） ===== */
.rec-toolbar {
  position: fixed; top: 60px; right: 16px; z-index: var(--tbp-z-max);
  width: 280px; background: var(--tbp-bg-secondary); border: 1px solid var(--tbp-border-strong);
  border-radius: 10px; box-shadow: 0 8px 32px rgba(0,0,0,.6);
  display: flex; flex-direction: column; overflow: hidden;
  font-size: 12px;
}
.rec-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px;
  background: rgba(239,68,68,.15); border-bottom: 1px solid var(--tbp-border-strong);
}
.rec-status { font-weight: 600; color: var(--tbp-danger); font-size: 13px; }
.rec-header-btns { display: flex; gap: 4px; }
.rec-header-btns button {
  width: 26px; height: 26px; background: var(--tbp-bg-input-alt); border: 1px solid var(--tbp-border-input);
  border-radius: 4px; color: var(--tbp-text-secondary); font-size: 13px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.rec-header-btns button:hover { border-color: #667eea; }
.rec-steps {
  flex: 1; max-height: 300px; overflow-y: auto; padding: 6px 0;
}
.rec-steps::-webkit-scrollbar { width: 3px; }
.rec-steps::-webkit-scrollbar-thumb { background: var(--tbp-border-input); border-radius: 2px; }
.rec-steps-empty {
  text-align: center; padding: 24px 12px; color: var(--tbp-text-muted); font-size: 0.6875rem;
}
.rec-steps-count {
  text-align: center; padding: 4px; color: var(--tbp-text-muted); font-size: 0.6875rem;
  border-top: 1px solid var(--tbp-separator);
}
.rec-step-item {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 12px; cursor: grab; transition: background .1s;
  border-bottom: 1px solid rgba(47,54,69,.3);
}
.rec-step-item:hover { background: rgba(102,126,234,.06); }
.rec-step-drag { color: var(--tbp-text-muted); cursor: grab; font-size: 14px; }
.rec-step-num {
  width: 18px; height: 18px; background: var(--tbp-border-input); border-radius: 50%;
  color: var(--tbp-fg-subdued); font-size: 0.6875rem; font-weight: 600;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.rec-step-icon { font-size: 14px; flex-shrink: 0; }
.rec-step-label {
  flex: 1; color: var(--tbp-text-secondary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.rec-step-del {
  width: 20px; height: 20px; background: none; border: none;
  color: var(--tbp-text-muted); font-size: 16px; cursor: pointer;
  border-radius: 4px; flex-shrink: 0;
}
.rec-step-del:hover { color: var(--tbp-danger); background: rgba(239,68,68,.1); }
.rec-footer {
  display: flex; gap: 4px; padding: 8px; border-top: 1px solid var(--tbp-separator);
  flex-wrap: wrap;
}
.rec-btn-add {
  flex: 1; padding: 6px 4px; background: var(--tbp-bg-input-alt); border: 1px solid var(--tbp-border-input);
  border-radius: 5px; color: var(--tbp-text-secondary); font-size: 0.6875rem;
  cursor: pointer; white-space: nowrap;
}
.rec-btn-add:hover { border-color: #667eea; }
.rec-btn-add:disabled { opacity: .3; cursor: not-allowed; }
.rec-btn-save {
  padding: 6px 12px; background: #667eea; border: 1px solid #667eea;
  border-radius: 5px; color: #fff; font-size: 0.6875rem;
  cursor: pointer; white-space: nowrap;
}
.rec-btn-save:hover { opacity: .9; }
.rec-btn-insert {
  padding: 6px 8px; background: rgba(139,92,246,.2); border: 1px solid var(--tbp-accent-2);
  border-radius: 5px; color: #a78bfa; font-size: 0.6875rem;
  cursor: pointer; white-space: nowrap;
}
.rec-btn-insert:hover { background: rgba(139,92,246,.3); }
/* 脚本选择弹窗项 hover */
.rec-script-pick:hover { background: rgba(102,126,234,.1) !important; border-color: #667eea !important; }

/* ===== 试运行抽屉（flex 兄弟，推挤侧栏） ===== */
.wf-trial-drawer {
  width: 0; height: 100%;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--tbp-bg-canvas); border-left: 1px solid var(--tbp-border-strong);
  display: flex; flex-direction: column;
  transition: width .3s ease-out;
}
.wf-trial-drawer.open { width: 380px; }

/* 遮罩层（position:fixed 全屏） */
.wf-trial-overlay {
  position: fixed; inset: 0; z-index: var(--tbp-z-dropdown);
  background: rgba(0,0,0,.4);
  opacity: 0; pointer-events: none;
  transition: opacity .3s;
}
.wf-trial-overlay.active { opacity: 1; pointer-events: auto; }

.wf-trial-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--tbp-separator);
  flex-shrink: 0;
}
.wf-trial-header-left { display: flex; flex-direction: column; gap: 2px; }
.wf-trial-header-right { display: flex; align-items: center; gap: 6px; }
.wf-trial-title { font-size: 14px; font-weight: 600; color: var(--tbp-fg-bright); }
.wf-trial-session { font-size: 0.6875rem; color: var(--tbp-text-muted); font-family: monospace; }
.wf-trial-close-btn {
  width: 28px; height: 28px; background: none; border: 1px solid var(--tbp-border-input);
  border-radius: 6px; color: var(--tbp-fg-subdued); font-size: 14px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.wf-trial-close-btn:hover { border-color: var(--tbp-danger); color: var(--tbp-danger); }
.wf-trial-action-btn {
  height: 28px; padding: 0 10px; background: var(--tbp-separator); border: 1px solid #374151;
  border-radius: 6px; color: #4ade80; font-size: 12px; font-weight: 500;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.wf-trial-action-btn:hover { background: #374151; border-color: #4ade80; }

/* 试运行对话区 */
.wf-trial-chat-panel {
  flex: 1; display: flex; flex-direction: column;
  min-height: 0; overflow: hidden;
}
.wf-trial-chat-messages {
  flex: 1; overflow-y: auto; padding: 12px 16px;
  display: flex; flex-direction: column; gap: 8px;
}
.wf-trial-chat-messages::-webkit-scrollbar { width: 3px; }
.wf-trial-chat-messages::-webkit-scrollbar-thumb { background: var(--tbp-border-input); border-radius: 2px; }
.wf-trial-chat-empty {
  text-align: center; padding: 24px 12px; color: var(--tbp-text-muted); font-size: 0.6875rem;
}
.wf-trial-chat-msg {
  padding: 8px 12px; border-radius: 8px; font-size: 12px;
  line-height: 1.5; word-break: break-word; max-width: 100%;
}
.wf-trial-chat-user {
  align-self: flex-end; background: rgba(102,126,234,.2);
  color: var(--tbp-fg-bright); border: 1px solid rgba(102,126,234,.3);
}
.wf-trial-chat-assistant {
  background: var(--tbp-bg-input-alt); color: var(--tbp-text-secondary); border: 1px solid var(--tbp-border-strong);
}
.wf-trial-chat-thinking {
  color: var(--tbp-text-dim); font-style: italic; font-size: 0.6875rem;
}
.wf-trial-chat-error {
  background: rgba(239,68,68,.1); color: var(--tbp-danger);
  border: 1px solid rgba(239,68,68,.2);
}
.wf-trial-chat-msg pre {
  background: rgba(0,0,0,.3); padding: 8px; border-radius: 4px;
  font-size: 0.6875rem; overflow-x: auto; white-space: pre-wrap;
}
.wf-trial-chat-msg code {
  font-size: 0.6875rem; background: rgba(255,255,255,.05);
  padding: 1px 4px; border-radius: 3px;
}

/* 完整输入框区域 */
.wf-trial-chat-input {
  flex-shrink: 0; padding: 8px 12px 6px;
  border-top: 1px solid var(--tbp-separator);
}
.wf-trial-input-container {
  background: var(--tbp-bg-secondary); border: 1px solid var(--tbp-border-strong);
  border-radius: 10px; padding: 8px 10px 6px;
}
.wf-trial-input-toolbar {
  display: flex; align-items: center; gap: 4px; margin-bottom: 6px;
}
.wf-trial-input-toolbar .tb-btn {
  padding: 3px 8px; background: var(--tbp-bg-input-alt); border: 1px solid var(--tbp-border-input);
  border-radius: 5px; color: var(--tbp-fg-subdued); font-size: 12px;
  cursor: pointer; transition: all .15s;
}
.wf-trial-input-toolbar .tb-btn:hover { border-color: #667eea; color: var(--tbp-fg-bright); }
.wf-trial-attachment-preview {
  display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 6px;
}
.wf-trial-attachment-preview .att-item {
  display: flex; align-items: center; gap: 4px;
  padding: 2px 8px; background: rgba(102,126,234,.15);
  border-radius: 4px; font-size: 0.6875rem; color: #a78bfa;
}
.wf-trial-attachment-preview .att-remove {
  background: none; border: none; color: var(--tbp-text-dim); cursor: pointer; font-size: 12px;
}
.wf-trial-attachment-preview .att-remove:hover { color: var(--tbp-danger); }
.wf-trial-input-textarea {
  display: block; width: 100%; padding: 6px 10px;
  background: var(--tbp-bg-input-alt); border: 1px solid var(--tbp-border-input);
  border-radius: 6px; color: var(--tbp-fg-bright);
  resize: none; font-size: 12px; outline: none;
  min-height: 38px; max-height: 100px;
  box-sizing: border-box; font-family: inherit;
}
.wf-trial-input-textarea:focus { border-color: #667eea; }
.wf-trial-input-bottom {
  display: flex; align-items: center; gap: 4px; margin-top: 6px;
}
.wf-trial-input-bottom .tb-btn {
  padding: 3px 8px; background: var(--tbp-bg-input-alt); border: 1px solid var(--tbp-border-input);
  border-radius: 5px; color: var(--tbp-fg-subdued); font-size: 0.6875rem;
  cursor: pointer; transition: all .15s; white-space: nowrap;
}
.wf-trial-input-bottom .tb-btn:hover { border-color: #667eea; color: var(--tbp-fg-bright); }
.wf-trial-input-bottom .wf-trial-send-btn {
  width: 30px; height: 30px; background: #667eea; border: none;
  border-radius: 50%; color: #fff; font-size: 14px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.wf-trial-input-bottom .wf-trial-send-btn:disabled { opacity: .4; cursor: not-allowed; }

/* 底部操作按钮行（重新运行 + 保存） */
.wf-trial-input-actions {
  display: flex; gap: 8px; padding: 6px 12px 10px;
  flex-shrink: 0;
}
.wf-trial-action-btn {
  flex: 1; padding: 7px 12px; border: 1px solid var(--tbp-border-input);
  border-radius: 6px; background: var(--tbp-bg-input-alt); color: var(--tbp-text-secondary);
  font-size: 12px; cursor: pointer; white-space: nowrap;
}
.wf-trial-action-btn:hover { border-color: var(--tbp-accent); }
.wf-trial-action-btn:disabled { opacity: .4; cursor: not-allowed; }
.wf-trial-save-btn { background: var(--tbp-accent); border-color: var(--tbp-accent); color: #fff; }
.wf-trial-save-btn:hover { opacity: .9; }

/* ===== P0-2 响应式适配 ===== */
@media (max-width: 768px) {
  .wf-sidebar { width: 260px; min-width: 0; }
  .wf-node { width: 160px; }
  .wf-toolbar { left: 4px; gap: 4px; }
  .wf-toolbar button { min-width: 28px; min-height: 28px; padding: 4px 6px; font-size: 0.6875rem; }
  .wf-toolbar .wf-tb-primary { min-width: 34px; min-height: 34px; font-size: 14px; }
  .wf-zoom-label { font-size: 0.6875rem; padding: 2px 4px; }
  .rec-toolbar { width: 240px; right: 8px; top: 50px; }
  .wf-trial-drawer.open { width: 100vw; position: absolute; right: 0; z-index: var(--tbp-z-modal); }
}

/* ===== 🍞 2026-07-29(画布·运行一体化·用户拍板): 画布员工右侧嵌入模式 =====
   宿主=canvas-agent-panel.js（渲染于工作区 listen 面板 #wsBodyListen）；
   布局=顶部控制条 + wf-builder 同引擎画布；属性栏=覆盖层点节点滑出（不占画布宽度） */
.cv-embed { display: flex; flex-direction: column; height: 100%; min-height: 0; background: var(--tbp-bg-canvas); }
.cv-embed-bar {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 8px 10px; flex-shrink: 0;
  background: var(--tbp-bg-panel); border-bottom: 1px solid var(--tbp-separator);
}
.cv-embed-lbl { font-size: 12px; color: var(--tbp-text-dim); }
.cv-embed-run {
  padding: 5px 14px; border-radius: 6px; cursor: pointer; font-size: 12px; font-weight: 600;
  background: rgba(34,197,94,.15); color: #22c55e; border: 1px solid rgba(34,197,94,.5);
}
.cv-embed-run:hover { background: rgba(34,197,94,.28); }
.cv-embed-saved {
  font-size: 11px; color: #22c55e; opacity: 0; transition: opacity .3s;
}
.cv-embed-saved.show { opacity: 1; }
.cv-embed-spacer { flex: 1; }
.cv-embed-ai {
  padding: 5px 12px; border-radius: 6px; cursor: pointer; font-size: 12px; font-weight: 600;
  background: linear-gradient(135deg,#7c3aed,#4f46e5); color: #fff; border: none;
}
.cv-embed-ai:hover { filter: brightness(1.15); }
.cv-embed-host { flex: 1; min-height: 0; position: relative; }
.cv-embed-host .wf-layout { height: 100%; }
/* 嵌入模式：属性/AI辅助栏=右缘覆盖层，点节点滑出、点空白收起（wf-builder.js selectNode/bindCanvasEvents 驱动） */
.wf-embed { position: relative; }
.wf-embed .wf-sidebar {
  position: absolute; right: 0; top: 0; bottom: 0; z-index: 40;
  width: 300px; min-width: 280px; max-width: 320px;
  transform: translateX(103%); transition: transform .22s ease;
  box-shadow: -8px 0 24px rgba(0,0,0,.35);
}
.wf-embed .wf-sidebar.wf-sb-open { transform: translateX(0); }
/* 🍞 2026-07-29(AI辅助常驻): 嵌入模式右缘栏唯一关闭口（打开后常驻，只点 ✕ 才收） */
.wf-sb-close {
  flex: none; width: 30px; background: none; border: none;
  color: var(--tbp-text-dim); cursor: pointer; font-size: 13px;
  border-bottom: 2px solid transparent;
}
.wf-sb-close:hover { color: #f87171; }