/* canvas-nodes.css - 重新设计版本，遵循 anti-slop 原则 */
/* Version: 10.6.0 - 中央资源管理弹窗、素材分页与画布历史分页 */

.canvas-nodes-container {
  --canvas-node-surface: var(--ui-surface-raised, #181a1d);
  --canvas-node-header: var(--ui-surface-hover, #202225);
  --canvas-node-line: var(--ui-line, rgba(245, 245, 245, 0.1));
  --canvas-node-line-strong: var(--ui-line-strong, rgba(245, 245, 245, 0.2));
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}

.connections-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  display: block;
  z-index: 1;
}

/* 节点卡片 — 紧凑尺寸，锌灰质感 */
.canvas-node {
  position: absolute;
  width: 320px;           /* 紧凑宽度，与JS协调 */
  min-width: 240px;
  background: var(--canvas-node-surface);
  border-radius: 14px;
  border: 1px solid var(--canvas-node-line);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  pointer-events: auto;
  transition: border-color 0.2s, box-shadow 0.2s;
  will-change: transform;
  user-select: none;
  z-index: 1;
  font-family: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.canvas-node:hover {
  border-color: var(--canvas-node-line-strong);
  box-shadow: 0 12px 28px -8px rgba(0, 0, 0, 0.3);
}

.canvas-node img,
.canvas-node video {
  image-rendering: crisp-edges;
}

.canvas-node.selected {
  border-color: var(--brand-accent, #f2f2f2);
  box-shadow: 0 0 0 2px rgba(242, 242, 242, 0.18), 0 12px 28px -8px rgba(0, 0, 0, 0.4);
  z-index: 10;
}

/* 标题栏 — 高度紧凑，保留拖拽区域 */
.node-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 38px;           /* 原44px，紧凑 */
  padding: 0 10px;        /* 原12px，略微缩小 */
  background: var(--canvas-node-header);
  border-bottom: 1px solid var(--canvas-node-line);
  cursor: grab;
  position: relative;
  flex-shrink: 0;
}
.node-header:active {
  cursor: grabbing;
}

.node-header-left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
}

.node-icon {
  font-size: 1rem;
  opacity: 0.8;
}

.node-title {
  font-size: 0.8rem;      /* 原0.85rem，稍小 */
  font-weight: 500;
  color: #eaeaea;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.01em;
}

/* 端口容器区域 */
.node-ports-wrapper {
  display: flex;
  justify-content: space-between;
  margin: 10px 14px 0 14px;
  gap: 20px;
  flex-shrink: 0;
}

.node-input-ports,
.node-output-ports {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  overflow: visible;
}

.node-input-ports {
  align-items: flex-start;
}
.node-output-ports {
  align-items: flex-end;
}

/* 端口行样式 — 紧凑 */
.port {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.7rem;      /* 原0.75rem，缩小 */
  font-weight: 450;
  color: #a0a0a5;
  transition: color 0.15s;
  white-space: nowrap;
  cursor: crosshair;
  padding: 2px 0;         /* 原4px 0，更紧凑 */
  user-select: none;
  background: transparent;
  position: relative;
  overflow: visible;
}

.port-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #5a5a60;
  flex-shrink: 0;
  transition: background 0.15s, transform 0.1s;
}

.port-input .port-dot {
  margin-right: 4px;
}

.port-output .port-dot {
  order: 2;
  margin-left: 4px;
}

.port.port-connected .port-dot {
  background: #f2f2f2;
  box-shadow: 0 0 0 1px rgba(242, 242, 242, 0.3);
}

.port:hover {
  color: #e0e0e0;
}
.port:hover .port-dot {
  transform: scale(1.2);
  background: #f2f2f2;
}
.port-highlight .port-dot {
  background: #f2f2f2 !important;
  transform: scale(1.3);
  box-shadow: 0 0 0 2px rgba(242, 242, 242, 0.36);
}

.port-label {
  font-weight: 500;
}

/* 预览区 — 填满剩余空间，紧凑高度 */
.node-preview-area {
  margin: 0;
  background: #101012;
  border-radius: 0;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: background 0.2s;
  border: none;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 100px;      /* 原120px，紧凑 */
}

/* 上传占位符 — 内部留白，背景填满预览区 */
.upload-placeholder {
  margin: 8px;
  width: calc(100% - 16px);
  height: calc(100% - 16px);
  min-height: 100px;      /* 原120px，紧凑 */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px dashed #3a3a40;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s;
  color: #7a7a80;
}

.upload-placeholder:hover {
  background: rgba(242, 242, 242, 0.04);
  border-color: #f2f2f2;
  color: #f2f2f2;
}

.upload-icon {
  font-size: 24px;
  opacity: 0.7;
}

.upload-text {
  font-size: 0.75rem;
  font-weight: 450;
}

.upload-hint {
  font-size: 0.65rem;
  opacity: 0.6;
}

/* ComfyUI 风格预览区（有图片/视频时） */
.comfy-preview-image-wrapper,
.comfy-preview-video-wrapper {
  position: relative;
  width: 100%;
  background: #0a0a0c;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.comfy-preview-image {
  width: 100%;
  height: auto;
  display: block;
  cursor: pointer;
  transition: opacity 0.2s;
}

.comfy-preview-image:hover {
  opacity: 0.9;
}

.comfy-preview-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.7rem;
  padding: 6px 8px;
  background: rgba(0, 0, 0, 0.4);
  color: #aaa;
  gap: 8px;
  margin-top: 0;
}

.comfy-file-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  direction: rtl;
  text-align: left;
}

.comfy-dimensions {
  font-family: monospace;
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 4px;
  border-radius: 4px;
  font-size: 0.65rem;
}

/* 删除按钮 */
.delete-image-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 26px;
  height: 26px;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 13px;
  color: #fff;
  transition: all 0.15s;
  z-index: 10;
  border: none;
}
.delete-image-btn:hover {
  background: #ef4444;
  transform: scale(1.05);
}

/* 非图片/视频节点的占位符（兜底） */
.node-preview-placeholder {
  color: #7a7a80;
  font-size: 0.75rem;
  text-align: center;
  user-select: none;
  padding: 20px;
}

.node-output-state {
  min-height: 100px;
  box-sizing: border-box;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-content: center;
  align-items: center;
  gap: 8px 10px;
  padding: 14px;
  background: var(--glass-bg);
}

.node-output-state-icon {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  border: 1px solid var(--glass-border);
  border-radius: calc(var(--radius) * 0.6);
}

.node-output-state-icon svg {
  width: 17px;
  height: 17px;
}

.node-output-state-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.node-output-state-copy strong {
  color: var(--text-primary);
  font-size: 0.78rem;
  font-weight: 650;
}

.node-output-state-copy small {
  color: var(--text-secondary);
  font-size: 0.68rem;
  line-height: 1.45;
}

.node-output-preview-action {
  grid-column: 1 / -1;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--glass-border);
  border-radius: calc(var(--radius) * 0.6);
  cursor: pointer;
  transition: var(--transition);
}

.node-output-preview-action:hover {
  color: var(--text-primary);
  background: var(--glass-bg);
  border-color: var(--primary);
}

.node-output-preview-action svg {
  width: 14px;
  height: 14px;
}

/* 进度条 */
/* 状态指示器 */
.node-status-indicator {
  position: absolute;
  top: 14px;
  right: 12px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  z-index: 2;
}
.node-status-indicator[data-status="idle"] {
  background: #5a5a60;
}
.node-status-indicator[data-status="generating"] {
  background: #f2f2f2;
  animation: pulse 1s infinite;
}
.node-status-indicator[data-status="done"] {
  background: #22c55e;
}
.node-status-indicator[data-status="error"] {
  background: #ef4444;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

/* 浮动配置面板 */
.canvas-floating-panel {
  position: fixed;
  width: 340px;
  background: #101012;
  border: 1px solid #3a3a40;
  border-radius: 16px;
  box-shadow: 0 20px 35px -10px rgba(0, 0, 0, 0.4);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.canvas-floating-panel .panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: #232327;
  border-bottom: 1px solid #3a3a40;
  cursor: move;
}
.canvas-floating-panel .panel-close {
  background: none;
  border: none;
  color: #a0a0a5;
  cursor: pointer;
  font-size: 18px;
}
.canvas-floating-panel .panel-close:hover {
  color: #f2f2f2;
}
.canvas-floating-panel .panel-body {
  padding: 16px;
  overflow-y: auto;
  max-height: 70vh;
}
.canvas-floating-panel .canvas-param-group {
  margin-bottom: 16px;
}
.canvas-floating-panel .canvas-param-group label {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  color: #a0a0a5;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.canvas-floating-panel select,
.canvas-floating-panel input,
.canvas-floating-panel textarea {
  width: 100%;
  background: #1c1c20;
  border: 1px solid #3a3a40;
  border-radius: 10px;
  padding: 8px 10px;
  color: #eaeaea;
  font-size: 0.8rem;
  font-family: inherit;
}
.canvas-floating-panel select option {
  background: #1c1c20;
  color: #eaeaea;
}
.canvas-floating-panel select:focus,
.canvas-floating-panel input:focus,
.canvas-floating-panel textarea:focus {
  outline: none;
  border-color: #f2f2f2;
  box-shadow: 0 0 0 2px rgba(242, 242, 242, 0.15);
}
.fp-generate-btn {
  width: 100%;
  padding: 8px;
  background: #f2f2f2;
  border: none;
  border-radius: 10px;
  color: #000;
  font-weight: 600;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.2s;
  margin-top: 8px;
}
.fp-generate-btn:hover {
  background: #bdbdbd;
}

/* 适应视图按钮 - 已集成到缩放滑块容器中 */
/* 节点参数区域 - 平铺控件 */
.node-params-area {
  padding: 8px 12px 12px 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin-top: 4px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.node-params-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.node-params-group label {
  font-size: 0.7rem;
  font-weight: 500;
  color: #a0a0a5;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.node-params-group select,
.node-params-group input,
.node-params-group textarea {
  background: #2a2a2e;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  color: #eaeaea;
  padding: 6px 8px;
  font-size: 0.8rem;
  font-family: inherit;
}

/* 下拉框选项样式 */
.node-params-group select option {
  background: #2a2a2e;
  color: #eaeaea;
}

.node-params-group select:focus,
.node-params-group input:focus,
.node-params-group textarea:focus {
  outline: none;
  border-color: #f2f2f2;
  box-shadow: 0 0 0 2px rgba(242, 242, 242, 0.15);
}

.node-advanced-toggle {
  background: none;
  border: none;
  color: #f2f2f2;
  font-size: 0.75rem;
  cursor: pointer;
  padding: 4px 0;
  text-align: left;
  width: fit-content;
  transition: opacity 0.2s;
}

.node-advanced-toggle:hover {
  opacity: 0.8;
}

.node-advanced-params {
  display: none;
  margin-top: 4px;
}

.node-advanced-params.open {
  display: block;
}

/* 加载节点 / 预览节点专用预览区 */
.media-loader-preview,
.media-preview-preview {
  width: 100%;
  background: #101012;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.media-preview-content {
  width: 100%;
}

/* Prompt 文本框 */
.node-prompt-area {
  margin: 8px 12px 0 12px;
}

.node-prompt-textarea {
  width: 100%;
  background: #2a2a2e;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  color: #eaeaea;
  padding: 8px 10px;
  font-size: 0.8rem;
  font-family: inherit;
  resize: vertical;
  min-height: 60px;
  max-height: 200px;
  box-sizing: border-box;
  overflow-y: auto;
}

.node-prompt-textarea:focus {
  outline: none;
  border-color: #f2f2f2;
}

.media-preview-content img,
.media-preview-content video {
  width: 100%;
  height: auto;
  display: block;
}

.media-preview-actions {
  display: flex;
  gap: 8px;
  padding: 6px 8px;
  background: rgba(0,0,0,0.5);
  justify-content: flex-end;
}

.media-preview-actions button {
  background: rgba(255,255,255,0.1);
  border: none;
  color: #ccc;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  cursor: pointer;
  transition: background 0.2s;
}

.media-preview-actions button:hover {
  background: #f2f2f2;
  color: #000;
}

.canvas-media-lightbox {
  position: fixed;
  inset: 0;
  z-index: 12000;
  display: grid;
  place-items: center;
  padding: 72px 40px 40px;
  background: rgba(5, 5, 8, 0.92);
  backdrop-filter: blur(14px);
}

.canvas-media-lightbox-toolbar {
  position: absolute;
  top: 22px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.canvas-media-lightbox-action,
.canvas-media-lightbox-close {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  color: var(--text-primary);
  background: var(--glass-bg);
  cursor: pointer;
  transition: var(--transition);
}

.canvas-media-lightbox-action {
  padding: 0 14px;
}

.canvas-media-lightbox-close {
  width: 38px;
  padding: 0;
}

.canvas-media-lightbox-action:hover,
.canvas-media-lightbox-close:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.canvas-media-lightbox-action svg,
.canvas-media-lightbox-close svg {
  width: 17px;
  height: 17px;
}

.canvas-media-lightbox-stage {
  max-width: min(92vw, 1600px);
  max-height: calc(100vh - 112px);
  display: grid;
  place-items: center;
}

.canvas-media-lightbox-stage img,
.canvas-media-lightbox-stage video {
  max-width: 100%;
  max-height: calc(100vh - 112px);
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow);
}

/* 节点内部生成按钮 */
.node-generate-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  color: #e0e0e0;
  font-weight: 500;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s ease;
}
.node-generate-btn:hover {
  background: rgba(242, 242, 242, 0.2);
  border-color: #f2f2f2;
  color: #fff;
}
.node-generate-btn .btn-icon {
  width: 14px;
  height: 14px;
  stroke-width: 1.5;
}

/* 节点操作区域（按钮 + 进度条切换） */
.node-action-area {
  margin: 8px 14px 0 14px;
}

.node-gen-progress {
  padding: 4px 0;
  margin-top: 0;
  background: none;
  backdrop-filter: none;
  border-radius: 0;
}

.node-gen-progress .gbar-row {
  font-size: 0.7rem;
  gap: 0.4rem;
}

.node-gen-progress .gbar-spinner {
  width: 10px;
  height: 10px;
}

.node-gen-progress .gbar-label {
  font-size: 0.65rem;
}

.node-gen-progress .gbar-percent {
  font-size: 0.65rem;
}

.node-gen-progress .gbar-track {
  height: 4px;
  margin-top: 2px;
}

/* 节点自适应高度 */
.canvas-node {
  height: auto !important;
  min-height: 200px;
}
/* 覆盖浮动面板中 select 的背景和下拉箭头区域 */
.canvas-floating-panel select,
.canvas-floating-panel select:focus,
.canvas-floating-panel select:active {
  background: #2a2a2e !important;
  color: #eee !important;
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
}

/* 覆盖下拉选项的背景（适用于 Chrome/Firefox/Safari） */
.canvas-floating-panel select option {
  background: #2a2a2e !important;
  color: #eee !important;
}

/* 针对 Webkit 内核（Chrome/Edge）的下拉菜单背景 */
.canvas-floating-panel select:-webkit-autofill,
.canvas-floating-panel select:-webkit-autofill:hover,
.canvas-floating-panel select:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0px 1000px #2a2a2e inset !important;
  -webkit-text-fill-color: #eee !important;
}

.display-text-area{background:rgba(0,0,0,0.2);border-radius:8px;}
.display-text-line{background:#2a2a2e;border:1px solid rgba(255,255,255,0.1);border-radius:6px;color:#eaeaea;padding:6px 8px;font-size:0.8rem;line-height:1.4;resize:vertical;transition:border-color 0.2s;}
.display-text-line:focus{outline:none;border-color:#f2f2f2;box-shadow:0 0 0 2px rgba(242, 242, 242,0.15);}
.display-text-add-row{transition:all 0.2s;}
.display-text-add-row:hover{background:rgba(242, 242, 242,0.25)!important;border-color:#f2f2f2!important;color:#fff!important;}
/* ========== 左侧纯文字菜单 + 右侧弹窗 ========== */
.canvas-sidebar { width:64px; background:rgba(16,16,20,0.95); backdrop-filter:blur(16px); border-right:1px solid rgba(255,255,255,0.06); display:flex; align-items:center; justify-content:center; flex-shrink:0; z-index:20; }
.canvas-menu { display:flex; flex-direction:column; gap:24px; }
.menu-item { font-size:14px; font-weight:500; color:#aaa; cursor:pointer; padding:8px 12px; border-radius:8px; transition:all 0.2s; text-align:center; }
.menu-item:hover { background:rgba(255,255,255,0.06); color:#ddd; }
.canvas-panel { position:absolute; top:0; right:0; width:300px; height:100%; background:rgba(24,24,28,0.98); backdrop-filter:blur(20px); border-left:1px solid rgba(255,255,255,0.08); box-shadow:-4px 0 20px rgba(0,0,0,0.3); z-index:25; display:flex; flex-direction:column; overflow:hidden; }
.panel-header { display:flex; justify-content:space-between; align-items:center; padding:16px; border-bottom:1px solid rgba(255,255,255,0.08); flex-shrink:0; }
.panel-title { font-size:1rem; font-weight:600; color:var(--primary); }
.panel-close { background:none; border:none; color:#aaa; font-size:1.2rem; cursor:pointer; padding:4px 8px; border-radius:4px; }
.panel-close:hover { background:rgba(255,255,255,0.1); color:#fff; }
.panel-content { flex:1; overflow-y:auto; padding:12px; }

/* 节点库分类样式（面板内） */
.node-category { margin-bottom:20px; }
.node-category-title { font-size:0.75rem; font-weight:600; color:#888; margin-bottom:8px; letter-spacing:0.5px; }
.node-list { display:flex; flex-direction:column; gap:6px; }
.node-item { display:flex; align-items:center; gap:10px; padding:8px 10px; border-radius:8px; cursor:pointer; transition:background 0.15s; font-size:0.85rem; }
.node-item:hover { background:rgba(242, 242, 242,0.1); }
.node-icon { font-size:1.1rem; }

/* 历史记录列表（面板内） */
.history-list { display:flex; flex-direction:column; gap:12px; }
.history-item { background:rgba(255,255,255,0.04); border-radius:10px; padding:8px; cursor:pointer; transition:all 0.15s; }
.history-item:hover { background:rgba(242, 242, 242,0.08); transform:translateY(-1px); }
.history-thumb { width:100%; aspect-ratio:1/1; border-radius:8px; object-fit:contain; background:#1e1e22; }
.history-thumb-placeholder { width:100%; aspect-ratio:1/1; background:#1e1e22; border-radius:8px; display:flex; align-items:center; justify-content:center; font-size:1.5rem; color:#666; }
.history-info { margin-top:8px; font-size:0.7rem; color:#aaa; text-align:center; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

/* 连接搜索面板键盘选中高亮 */
.canvas-search-dialog .search-result-item.selected {
  background: rgba(242, 242, 242, 0.2);
  border-left: 3px solid #f2f2f2;
}

/* ========== 右上角帮助按钮 ========== */
.canvas-help-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 30;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(28,28,32,0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  color: #aaa;
}
.canvas-help-btn:hover {
  background: rgba(242, 242, 242,0.2);
  border-color: rgba(242, 242, 242,0.4);
  color: #f2f2f2;
  transform: scale(1.05);
}
.canvas-help-btn i,
.canvas-help-btn svg {
  width: 18px;
  height: 18px;
}

/* ========== 帮助抽屉（独立样式补充） ========== */
.canvas-help-drawer {
  width: 360px !important;
}
.canvas-help-drawer .panel-content {
  padding: 0 16px 16px;
}
.help-section {
  margin-bottom: 20px;
}
.help-section-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: #888;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  position: sticky;
  top: 0;
  background: rgba(24,24,28,0.98);
  padding: 8px 0 4px;
  z-index: 1;
}
.help-shortcuts-table {
  width: 100%;
  border-collapse: collapse;
}
.help-shortcuts-table tr {
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.help-shortcuts-table tr:last-child {
  border-bottom: none;
}
.help-shortcuts-table td {
  padding: 7px 0;
  font-size: 0.8rem;
  vertical-align: middle;
}
.help-shortcuts-table td:first-child {
  white-space: nowrap;
  padding-right: 12px;
}
.help-key {
  display: inline-block;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.72rem;
  font-family: monospace;
  color: #ddd;
  line-height: 1.6;
}
.help-shortcuts-table td:last-child {
  color: #aaa;
}
.help-divider {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin: 16px 0;
}
.help-node-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.help-node-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  padding: 10px;
  transition: all 0.15s;
}
.help-node-card:hover {
  background: rgba(242, 242, 242,0.06);
  border-color: rgba(242, 242, 242,0.15);
}
.help-node-card-icon {
  font-size: 1rem;
  margin-bottom: 4px;
  color: #ccc;
}
.help-node-card-icon svg {
  width: 18px;
  height: 18px;
}
.help-node-card-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: #eaeaea;
  margin-bottom: 2px;
}
.help-node-card-desc {
  font-size: 0.7rem;
  color: #888;
  line-height: 1.4;
}

/* 画布缩放控制台 */
.canvas-zoom-slider {
  position: absolute;
  bottom: 18px;
  left: 18px;
  z-index: 100;
  min-height: 44px;
  padding: 5px;
  display: flex;
  align-items: center;
  gap: 0;
  color: var(--canvas-muted, #8d8d96);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent),
    rgba(16, 16, 20, 0.9);
  border: 1px solid var(--canvas-line, rgba(255, 255, 255, 0.075));
  border-radius: 14px;
  box-shadow:
    0 16px 36px rgba(0, 0, 0, 0.34),
    inset 0 1px rgba(255, 255, 255, 0.035);
  backdrop-filter: blur(18px) saturate(125%);
  font-size: 0.75rem;
  user-select: none;
}

.canvas-zoom-slider .zoom-icon {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--canvas-faint, #5e5e67);
  border-right: 1px solid var(--canvas-line, rgba(255, 255, 255, 0.075));
  flex-shrink: 0;
}

.canvas-zoom-slider .zoom-icon svg {
  width: 15px;
  height: 15px;
  stroke-width: 1.8;
}

.canvas-zoom-slider input[type="range"] {
  --zoom-progress: 18.92%;
  width: 118px;
  min-width: 0;
  height: 18px;
  min-height: 0;
  margin: 0 10px;
  padding: 0;
  border: 0;
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
  background: linear-gradient(
    90deg,
    var(--canvas-accent, #f2f2f2) 0 var(--zoom-progress),
    var(--canvas-line-strong, rgba(255, 255, 255, 0.14)) var(--zoom-progress) 100%
  );
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100% 3px;
  box-shadow: none;
  outline: none;
  cursor: pointer;
}

.canvas-zoom-slider input[type="range"]:focus-visible {
  outline: 2px solid rgba(242, 242, 242, 0.72);
  outline-offset: 3px;
}

.canvas-zoom-slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 9px;
  height: 15px;
  border-radius: 5px;
  background: var(--canvas-accent, #f2f2f2);
  border: 2px solid var(--canvas-surface, #151519);
  box-shadow: 0 0 0 1px rgba(242, 242, 242, 0.28);
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease;
}

.canvas-zoom-slider input[type="range"]::-webkit-slider-thumb:hover {
  transform: scaleY(1.18);
  box-shadow:
    0 0 0 1px rgba(242, 242, 242, 0.42),
    0 0 12px rgba(242, 242, 242, 0.2);
}

.canvas-zoom-slider input[type="range"]::-moz-range-thumb {
  width: 9px;
  height: 15px;
  border-radius: 5px;
  background: var(--canvas-accent, #f2f2f2);
  border: 2px solid var(--canvas-surface, #151519);
  box-shadow: 0 0 0 1px rgba(242, 242, 242, 0.28);
  cursor: pointer;
}

.canvas-zoom-slider .zoom-value {
  min-width: 48px;
  height: 30px;
  padding: 0 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--canvas-text, #f4f4f5);
  border-left: 1px solid var(--canvas-line, rgba(255, 255, 255, 0.075));
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.7rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.canvas-zoom-slider .zoom-fit-btn {
  width: 32px;
  height: 32px;
  margin-left: 3px;
  padding: 0;
  color: var(--canvas-muted, #8d8d96);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 9px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    color 140ms ease,
    background 140ms ease,
    border-color 140ms ease,
    transform 140ms ease;
  flex-shrink: 0;
}

.canvas-zoom-slider .zoom-fit-btn svg {
  width: 16px;
  height: 16px;
  stroke-width: 1.8;
}

.canvas-zoom-slider .zoom-fit-btn:hover {
  color: var(--canvas-text, #f4f4f5);
  background: var(--canvas-surface-soft, rgba(255, 255, 255, 0.035));
  border-color: var(--canvas-line, rgba(255, 255, 255, 0.075));
}

.canvas-zoom-slider .zoom-fit-btn:active {
  transform: scale(0.94);
}

.canvas-node .node-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  padding: 4px;
  stroke-width: 1.5;
  stroke: currentColor;
  flex-shrink: 0;
}

.canvas-search-dialog .sri-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  flex-shrink: 0;
}

.node-params-collapsible { margin: 0 12px 8px 12px; border-top: 1px solid rgba(255,255,255,0.05); }
.params-toggle { display: flex; align-items: center; gap: 6px; padding: 8px 0 4px 0; cursor: pointer; color: var(--text-secondary); font-size: 0.75rem; font-weight: 500; user-select: none; }
.params-toggle:hover { color: var(--primary); }
.params-toggle .toggle-icon { font-size: 0.7rem; }
.params-content { padding-top: 8px; transition: all 0.2s ease; }

/* ========== 小缩放紧凑视图（scale < 0.5x）========== */
.canvas-node.compact-view {
  min-height: auto !important;
}
.canvas-node.compact-view .node-ports-wrapper,
.canvas-node.compact-view .node-params-area,
.canvas-node.compact-view .node-params-collapsible,
.canvas-node.compact-view .node-preview-area,
.canvas-node.compact-view .node-action-area,
.canvas-node.compact-view .node-gen-progress {
  display: none !important;
}

/* ========== 项目操作按钮（右下角） ========== */
.canvas-project-actions {
  position: absolute;
  bottom: 20px;
  right: 20px;
  display: flex;
  gap: 8px;
  z-index: 100;
}
.canvas-project-actions button {
  width: 36px;
  height: 36px;
  background: rgba(28,28,32,0.9);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  color: #aaa;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}
.canvas-project-actions button:hover {
  background: rgba(242, 242, 242,0.15);
  border-color: rgba(242, 242, 242,0.3);
  color: #fff;
  transform: translateY(-2px);
}

/* ========== 参考图缩略图区域 ========== */
.node-image-references {
  margin: 0 12px 8px 12px;
  padding: 10px;
  background: var(--canvas-surface-soft, rgba(242,247,249,0.035));
  border: 1px solid var(--canvas-line, rgba(242,247,249,0.075));
  border-radius: 10px;
  cursor: context-menu;
}
.node-image-references .refs-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.node-image-references .refs-title {
  font-size: 0.75rem;
  font-weight: 500;
  color: #aaa;
}
.node-image-references .refs-count {
  font-size: 0.7rem;
  color: #666;
}
.node-image-references .refs-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}
.node-image-references .ref-item {
  position: relative;
  flex-shrink: 0;
  width: 64px;
  cursor: grab;
  transition: transform 0.15s, box-shadow 0.15s;
}
.node-image-references .ref-item:active {
  cursor: grabbing;
}
.node-image-references .ref-item.dragging {
  opacity: 0.5;
  transform: scale(0.95);
}
.node-image-references .ref-item.drag-over {
  transform: scale(1.05);
  box-shadow: 0 0 0 2px rgba(242, 242, 242,0.5);
  border-radius: 8px;
}
.node-image-references .ref-thumb {
  width: 64px;
  height: 64px;
  border-radius: 8px;
  overflow: hidden;
  background: #2a2a2e;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.1);
}
.node-image-references .ref-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.node-image-references .ref-placeholder {
  min-height: 100%;
  color: var(--canvas-faint, #64727e);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
}
.node-image-references .ref-placeholder svg {
  width: 18px;
  height: 18px;
}
.node-image-references .ref-placeholder small,
.node-image-references .ref-type {
  font-size: 0.62rem;
}
.node-image-references .ref-type {
  display: block;
  margin-top: 4px;
  color: var(--canvas-muted, #aab6c1);
  text-align: center;
}
.node-image-references .ref-index {
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(242, 242, 242,0.9);
  color: #000;
  font-size: 0.65rem;
  font-weight: 600;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.node-image-references .ref-remove {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 18px;
  height: 18px;
  background: rgba(239,68,68,0.9);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s;
}
.node-image-references .ref-item:hover .ref-remove {
  opacity: 1;
}
.node-image-references .no-refs-hint {
  min-height: 58px;
  padding: 10px;
  border: 1px dashed var(--canvas-line-strong, rgba(242,247,249,0.14));
  border-radius: 9px;
  color: var(--canvas-muted, #aab6c1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  text-align: left;
}
.node-image-references .no-refs-hint > svg {
  width: 20px;
  height: 20px;
  color: var(--canvas-faint, #64727e);
}
.node-image-references .no-refs-hint span {
  display: grid;
  gap: 2px;
}
.node-image-references .no-refs-hint strong {
  color: var(--canvas-text, #f2f7f9);
  font-size: 0.75rem;
}
.node-image-references .no-refs-hint small {
  color: var(--canvas-faint, #64727e);
  font-size: 0.68rem;
}
.node-image-references:hover .no-refs-hint {
  border-color: var(--canvas-line-strong, rgba(242,247,249,0.14));
  background: var(--canvas-surface-soft, rgba(242,247,249,0.035));
}

/* ========== 画布参考素材选择模式 ========== */
.canvas-reference-selection-bar {
  position: fixed;
  top: calc(var(--canvas-command-height, 58px) + 14px);
  left: 50%;
  z-index: 950;
  transform: translateX(-50%);
  min-width: min(420px, calc(100vw - 32px));
  padding: 9px 10px 9px 12px;
  border: 1px solid var(--ui-line-strong, rgba(245,245,245,0.2));
  border-radius: 12px;
  background: var(--ui-surface-raised, #181a1d);
  color: var(--ui-text, #f5f5f5);
  box-shadow: var(--glass-shadow, 0 18px 48px rgba(0,0,0,0.34));
  display: flex;
  align-items: center;
  gap: 10px;
}
.canvas-reference-selection-bar[hidden] {
  display: none;
}
.canvas-reference-selection-icon {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--ui-surface-hover, #202225);
  display: grid;
  place-items: center;
  color: var(--brand-accent, #f2f2f2);
}
.canvas-reference-selection-icon svg,
.canvas-reference-selection-bar button svg {
  width: 17px;
  height: 17px;
}
.canvas-reference-selection-copy {
  flex: 1;
  display: grid;
  gap: 2px;
}
.canvas-reference-selection-copy strong {
  font-size: 0.8rem;
}
.canvas-reference-selection-copy small {
  color: var(--ui-text-muted, #a3a3a3);
  font-size: 0.7rem;
}
.canvas-reference-selection-bar button {
  width: 30px;
  height: 30px;
  border: 1px solid var(--ui-line, #252525);
  border-radius: 9px;
  background: transparent;
  color: var(--ui-text-muted, #a3a3a3);
  display: grid;
  place-items: center;
  cursor: pointer;
}
.canvas-reference-selection-bar button:hover {
  color: var(--ui-text, #f5f5f5);
  border-color: var(--ui-line-strong, rgba(245,245,245,0.2));
}

.canvas-reference-context-menu {
  position: fixed;
  z-index: 980;
  width: min(270px, calc(100vw - 24px));
  padding: 6px;
  border: 1px solid var(--ui-line-strong, rgba(245,245,245,0.2));
  border-radius: 12px;
  background: var(--ui-surface-raised, #181a1d);
  box-shadow: var(--glass-shadow, 0 18px 48px rgba(0,0,0,0.34));
}
.canvas-reference-context-menu[hidden] {
  display: none;
}
.canvas-reference-context-menu button {
  width: 100%;
  padding: 10px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--ui-text, #f5f5f5);
  display: flex;
  align-items: center;
  gap: 10px;
  text-align: left;
  cursor: pointer;
}
.canvas-reference-context-menu button:hover,
.canvas-reference-context-menu button:focus-visible {
  outline: none;
  background: var(--ui-surface-hover, #202225);
}
.canvas-reference-context-menu button > svg {
  width: 18px;
  height: 18px;
  color: var(--ui-text-muted, #a3a3a3);
}
.canvas-reference-context-menu button span {
  display: grid;
  gap: 2px;
}
.canvas-reference-context-menu button strong {
  font-size: 0.78rem;
}
.canvas-reference-context-menu button small {
  color: var(--ui-text-muted, #a3a3a3);
  font-size: 0.68rem;
}

.canvas-workspace.is-reference-selection-mode .canvas-node {
  opacity: 0.24;
  filter: saturate(0.35);
  transition: opacity var(--transition, 0.2s ease-out), border-color var(--transition, 0.2s ease-out), box-shadow var(--transition, 0.2s ease-out);
}
.canvas-workspace.is-reference-selection-mode .canvas-node.is-reference-selection-target {
  opacity: 1;
  filter: none;
  border-color: var(--ui-line-strong, rgba(245,245,245,0.2));
}
.canvas-workspace.is-reference-selection-mode .canvas-node.is-reference-selectable,
.canvas-workspace.is-reference-selection-mode .canvas-node.is-reference-already-added {
  opacity: 1;
  filter: none;
}
.canvas-workspace.is-reference-selection-mode .canvas-node.is-reference-selectable {
  border-color: var(--brand-accent, #f2f2f2);
  box-shadow: 0 0 0 2px rgba(242,242,242,0.16), var(--glass-shadow, 0 18px 48px rgba(0,0,0,0.34));
  cursor: copy;
}
.canvas-workspace.is-reference-selection-mode .canvas-node.is-reference-already-added {
  border-color: var(--canvas-success, #70d7bd);
  cursor: default;
}
.canvas-workspace.is-reference-selection-mode .canvas-node.is-reference-selectable *,
.canvas-workspace.is-reference-selection-mode .canvas-node.is-reference-already-added *,
.canvas-workspace.is-reference-selection-mode .canvas-node.is-reference-selection-target * {
  pointer-events: none !important;
}
.canvas-workspace.is-reference-selection-mode .canvas-node.is-reference-unavailable {
  pointer-events: none;
}

/* ========== 画布退出保存确认 ========== */
.canvas-exit-confirm-layer {
  position: fixed;
  inset: 0;
  z-index: 1200;
  padding: 20px;
  background: rgba(0,0,0,0.68);
  display: grid;
  place-items: center;
  opacity: 0;
  transition: opacity 0.16s ease-out;
}
.canvas-exit-confirm-layer.is-visible {
  opacity: 1;
}
.canvas-exit-confirm-dialog {
  position: relative;
  width: min(460px, 100%);
  padding: 22px;
  border: 1px solid var(--ui-line-strong, rgba(245,245,245,0.2));
  border-radius: var(--radius, 1rem);
  background: var(--ui-surface-raised, #181a1d);
  color: var(--ui-text, #f5f5f5);
  box-shadow: var(--glass-shadow, 0 18px 48px rgba(0,0,0,0.34));
  transform: translateY(8px) scale(0.985);
  transition: transform 0.16s ease-out;
}
.canvas-exit-confirm-layer.is-visible .canvas-exit-confirm-dialog {
  transform: translateY(0) scale(1);
}
.canvas-exit-confirm-dialog header span {
  color: var(--ui-text-muted, #a3a3a3);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
}
.canvas-exit-confirm-dialog h2 {
  margin: 7px 36px 0 0;
  font-size: 1.15rem;
}
.canvas-exit-confirm-dialog > p {
  margin: 14px 0 22px;
  color: var(--ui-text-muted, #a3a3a3);
  font-size: 0.84rem;
  line-height: 1.7;
}
.canvas-exit-confirm-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border: 1px solid var(--ui-line, #252525);
  border-radius: 9px;
  background: transparent;
  color: var(--ui-text-muted, #a3a3a3);
  display: grid;
  place-items: center;
  cursor: pointer;
}
.canvas-exit-confirm-close svg {
  width: 16px;
  height: 16px;
}
.canvas-exit-confirm-dialog footer {
  display: flex;
  justify-content: flex-end;
  gap: 9px;
}
.canvas-exit-confirm-dialog footer button {
  min-height: 38px;
  padding: 0 15px;
  border: 1px solid var(--ui-line, #252525);
  border-radius: 10px;
  background: var(--ui-surface-hover, #202225);
  color: var(--ui-text, #f5f5f5);
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
}
.canvas-exit-confirm-dialog footer .canvas-exit-confirm-discard {
  color: var(--canvas-danger, #ff6b76);
}
.canvas-exit-confirm-dialog footer .canvas-exit-confirm-save {
  border-color: var(--brand-accent, #f2f2f2);
  background: var(--brand-accent, #f2f2f2);
  color: var(--brand-ink, #080b0f);
  font-weight: 700;
}
.canvas-exit-confirm-dialog button:hover,
.canvas-exit-confirm-dialog button:focus-visible {
  outline: none;
  border-color: var(--ui-line-strong, rgba(245,245,245,0.2));
  filter: brightness(1.08);
}

@media (max-width: 640px) {
  .canvas-reference-selection-bar {
    min-width: 0;
    width: calc(100vw - 24px);
  }
  .canvas-exit-confirm-dialog footer {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .canvas-exit-confirm-dialog footer .canvas-exit-confirm-save {
    grid-column: 1 / -1;
    grid-row: 1;
  }
}

/* ========== 无限画布工作台 V3.1（2026-07-23） ========== */
#canvas-view {
  --canvas-bg: #080b0f;
  --canvas-surface: #111820;
  --canvas-surface-raised: #18222c;
  --canvas-surface-soft: rgba(242, 247, 249, 0.035);
  --canvas-line: rgba(242, 247, 249, 0.075);
  --canvas-line-strong: rgba(242, 247, 249, 0.14);
  --canvas-text: #f2f7f9;
  --canvas-muted: #aab6c1;
  --canvas-faint: #64727e;
  --canvas-port-idle: #64727e;
  --canvas-port-connected: #8c9aa5;
  --canvas-port-hover: #c2ccd3;
  --canvas-port-target: #f2f7f9;
  --canvas-accent: #f2f2f2;
  --canvas-accent-soft: rgba(242, 242, 242, 0.13);
  --canvas-success: #70d7bd;
  --canvas-danger: #ff6b76;
  --canvas-command-height: 58px;
  --canvas-rail-width: 64px;
  --canvas-inspector-width: 340px;
  flex-direction: column;
  color: var(--canvas-text);
  background: var(--canvas-bg);
  isolation: isolate;
}

body.canvas-workbench-open {
  overflow: hidden;
}

.top-bar.canvas-mode #help-btn {
  display: none !important;
}

.canvas-command-bar {
  height: var(--canvas-command-height);
  min-height: var(--canvas-command-height);
  padding: 0 14px;
  display: grid;
  grid-template-columns: minmax(300px, 1fr) auto minmax(420px, 1fr);
  align-items: center;
  gap: 16px;
  background:
    linear-gradient(90deg, rgba(242, 242, 242, 0.05), transparent 32%),
    rgba(17, 24, 32, 0.98);
  border-bottom: 1px solid var(--canvas-line);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.2);
  position: relative;
  z-index: 45;
}

.canvas-command-group {
  display: flex;
  align-items: center;
  min-width: 0;
}

.canvas-command-primary {
  gap: 10px;
}

.canvas-command-actions {
  justify-content: flex-end;
  gap: 6px;
}

.canvas-command-icon,
.canvas-command-button,
.canvas-run-btn {
  border: 1px solid var(--canvas-line);
  color: var(--canvas-muted);
  background: var(--canvas-surface-soft);
  font: inherit;
  cursor: pointer;
  transition:
    color 160ms ease,
    border-color 160ms ease,
    background 160ms ease,
    transform 160ms ease;
}

.canvas-command-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  flex: 0 0 auto;
}

.canvas-command-icon svg {
  width: 16px;
  height: 16px;
  stroke-width: 1.8;
}

.canvas-command-icon:hover,
.canvas-command-button:hover {
  color: var(--canvas-text);
  border-color: var(--canvas-line-strong);
  background: rgba(255, 255, 255, 0.07);
}

.canvas-command-icon:active,
.canvas-command-button:active,
.canvas-run-btn:active {
  transform: translateY(1px);
}

.canvas-command-divider {
  width: 1px;
  height: 24px;
  background: var(--canvas-line);
  margin: 0 2px;
}

.canvas-project-identity {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 1px;
}

.canvas-project-eyebrow,
.canvas-inspector-eyebrow,
.panel-eyebrow,
.canvas-empty-eyebrow {
  color: var(--canvas-accent);
  font-size: 0.62rem;
  line-height: 1;
  font-weight: 750;
  letter-spacing: 0.16em;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.canvas-project-name {
  color: var(--canvas-text);
  font-size: 0.86rem;
  line-height: 1.2;
  font-weight: 650;
  max-width: 220px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.canvas-save-state {
  height: 25px;
  border: 1px solid var(--canvas-line);
  border-radius: 999px;
  padding: 0 8px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--canvas-muted);
  background: rgba(255, 255, 255, 0.025);
  font-size: 0.69rem;
  white-space: nowrap;
}

.canvas-save-state svg {
  width: 8px;
  height: 8px;
  fill: currentColor;
  stroke: none;
}

.canvas-save-state[data-state="saved"] {
  color: var(--canvas-success);
  border-color: rgba(112, 215, 189, 0.18);
  background: rgba(112, 215, 189, 0.055);
}

.canvas-save-state[data-state="unsaved"] {
  color: var(--canvas-muted);
  border-color: rgba(242, 242, 242, 0.2);
  background: rgba(242, 242, 242, 0.06);
}

.canvas-flow-summary {
  min-height: 28px;
  border: 1px solid var(--canvas-line);
  border-radius: 999px;
  padding: 0 11px 0 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--canvas-muted);
  background: rgba(10, 10, 13, 0.58);
  font-size: 0.72rem;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.canvas-flow-signal {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid rgba(242, 242, 242, 0.28);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.canvas-flow-signal span {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--canvas-accent);
  box-shadow: 0 0 8px rgba(242, 242, 242, 0.42);
}

.canvas-flow-summary[data-state="running"] {
  color: #9ce9f3;
  border-color: rgba(242, 242, 242, 0.34);
}

.canvas-flow-summary[data-state="running"] .canvas-flow-signal {
  animation: canvas-flow-pulse 1.4s ease-out infinite;
}

.canvas-flow-summary[data-state="done"] {
  color: var(--canvas-success);
  border-color: rgba(112, 215, 189, 0.26);
}

.canvas-flow-summary[data-state="error"] {
  color: var(--canvas-danger);
  border-color: rgba(255, 107, 118, 0.28);
}

@keyframes canvas-flow-pulse {
  0% { box-shadow: 0 0 0 0 rgba(242, 242, 242, 0.2); }
  70% { box-shadow: 0 0 0 7px rgba(242, 242, 242, 0); }
  100% { box-shadow: 0 0 0 0 rgba(242, 242, 242, 0); }
}

.canvas-command-button,
.canvas-run-btn {
  height: 34px;
  border-radius: 9px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font-size: 0.76rem;
  font-weight: 650;
  white-space: nowrap;
}

.canvas-command-button svg,
.canvas-run-btn svg {
  width: 15px;
  height: 15px;
}

.canvas-run-btn {
  min-width: 126px;
  color: #17120c;
  border-color: #f2f2f2;
  background: linear-gradient(135deg, #f2f2f2, var(--canvas-accent));
  box-shadow: 0 8px 20px rgba(242, 242, 242, 0.14);
}

.canvas-run-btn:hover {
  color: #0c0a07;
  border-color: #9ce9f3;
  background: linear-gradient(135deg, #f2f2f2, #bdbdbd);
  transform: translateY(-1px);
}

.canvas-run-btn:disabled,
.canvas-command-icon:disabled {
  cursor: not-allowed;
  opacity: 0.46;
  transform: none;
}

.canvas-shell {
  position: relative;
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

#canvas-view .canvas-sidebar {
  width: var(--canvas-rail-width);
  min-width: var(--canvas-rail-width);
  height: 100%;
  padding: 12px 7px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  background: rgba(17, 17, 20, 0.98);
  border-right: 1px solid var(--canvas-line);
  backdrop-filter: none;
  z-index: 30;
}

#canvas-view .canvas-menu {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

#canvas-view .menu-item {
  width: 100%;
  height: 50px;
  padding: 5px 2px;
  border: 1px solid transparent;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: var(--canvas-muted);
  background: transparent;
  font: inherit;
  cursor: pointer;
  transition: color 150ms ease, background 150ms ease, border-color 150ms ease;
}

#canvas-view .menu-item svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.7;
}

#canvas-view .menu-item span {
  font-size: 0.64rem;
  line-height: 1;
  white-space: nowrap;
}

#canvas-view .menu-item:hover,
#canvas-view .menu-item.is-active {
  color: var(--canvas-text);
  background: rgba(255, 255, 255, 0.055);
  border-color: var(--canvas-line);
}

#canvas-view .menu-item.is-active {
  color: #9ce9f3;
  background: var(--canvas-accent-soft);
  border-color: rgba(242, 242, 242, 0.2);
}

.canvas-menu-divider {
  height: 1px;
  margin: 6px 6px;
  background: var(--canvas-line);
}

#canvas-view .canvas-panel {
  top: 0;
  bottom: 0;
  left: var(--canvas-rail-width);
  right: auto;
  width: 306px;
  height: auto;
  color: var(--canvas-text);
  background: rgba(21, 21, 25, 0.985);
  border: 0;
  border-right: 1px solid var(--canvas-line-strong);
  border-left: 0;
  border-radius: 0;
  box-shadow: 18px 0 42px rgba(0, 0, 0, 0.32);
  transform: translateX(-104%);
  opacity: 0;
  z-index: 35;
}

#canvas-view .canvas-panel.is-open {
  transform: translateX(0);
  opacity: 1;
}

#canvas-view .canvas-panel.is-closing {
  transform: translateX(-104%);
  opacity: 0;
}

#canvas-view .canvas-help-drawer {
  left: auto;
  right: var(--canvas-inspector-width);
  width: 360px !important;
  border-left: 1px solid var(--canvas-line-strong);
  border-right: 0;
  box-shadow: -18px 0 42px rgba(0, 0, 0, 0.34);
  transform: translateX(104%);
}

#canvas-view .canvas-help-drawer.is-open {
  transform: translateX(0);
}

#canvas-view .canvas-help-drawer.is-closing {
  transform: translateX(104%);
}

#canvas-view .panel-header {
  min-height: 64px;
  padding: 13px 14px 12px 16px;
  border-bottom: 1px solid var(--canvas-line);
}

#canvas-view .panel-header > div {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

#canvas-view .panel-title {
  color: var(--canvas-text);
  font-size: 0.96rem;
  line-height: 1.1;
  font-weight: 700;
}

#canvas-view .panel-close {
  width: 31px;
  height: 31px;
  padding: 0;
  border: 1px solid var(--canvas-line);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--canvas-muted);
  background: rgba(255, 255, 255, 0.035);
}

#canvas-view .panel-close svg {
  width: 15px;
  height: 15px;
}

#canvas-view .panel-content {
  padding: 14px;
  scrollbar-color: #3b3b42 transparent;
}

#canvas-view .node-category {
  margin-bottom: 19px;
}

#canvas-view .node-category-title {
  margin: 0 2px 8px;
  color: var(--canvas-faint);
  font-size: 0.65rem;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

#canvas-view .node-list {
  gap: 6px;
}

#canvas-view .node-item {
  width: 100%;
  min-height: 48px;
  padding: 8px 10px;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: inherit;
  background: rgba(255, 255, 255, 0.025);
  font: inherit;
  text-align: left;
}

#canvas-view .node-item:hover {
  background: rgba(242, 242, 242, 0.075);
  border-color: rgba(242, 242, 242, 0.16);
}

#canvas-view .node-item > .node-icon {
  width: 30px !important;
  height: 30px !important;
  padding: 6px;
  border-radius: 8px;
  color: #9ce9f3;
  background: rgba(242, 242, 242, 0.1);
  flex: 0 0 auto;
}

.canvas-node-copy {
  min-width: 0;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.canvas-node-copy strong {
  color: #e8e8eb;
  font-size: 0.78rem;
  font-weight: 650;
}

.canvas-node-copy small {
  color: var(--canvas-faint);
  font-size: 0.65rem;
  line-height: 1.25;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.canvas-node-add-icon {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  color: var(--canvas-faint);
  opacity: 0;
  transform: translateX(-3px);
  transition: opacity 150ms ease, transform 150ms ease;
}

#canvas-view .node-item:hover .canvas-node-add-icon {
  opacity: 1;
  transform: translateX(0);
}

#canvas-view .canvas-workspace {
  min-width: 0;
  flex: 1 1 auto;
  background-color: var(--canvas-bg);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.026) 1px, transparent 1px),
    linear-gradient(rgba(242, 242, 242, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 242, 242, 0.028) 1px, transparent 1px),
    radial-gradient(circle at 52% 42%, rgba(242, 247, 249, 0.035), transparent 38%);
  background-size: 24px 24px, 24px 24px, 120px 120px, 120px 120px, 100% 100%;
  background-position: -1px -1px;
}

.canvas-empty-state {
  position: absolute;
  left: 50%;
  top: 48%;
  z-index: 8;
  width: min(470px, calc(100% - 64px));
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.canvas-empty-state.is-hidden {
  opacity: 0;
  transform: translate(-50%, calc(-50% + 8px));
  visibility: hidden;
}

.canvas-empty-mark {
  width: 58px;
  height: 58px;
  margin-bottom: 17px;
  border: 1px solid rgba(242, 242, 242, 0.28);
  border-radius: 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #f2f2f2;
  background: var(--canvas-surface);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.3);
}

.canvas-empty-mark svg {
  width: 26px;
  height: 26px;
  stroke-width: 1.55;
}

.canvas-empty-state h2 {
  margin: 9px 0 8px;
  color: var(--canvas-text);
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  line-height: 1.16;
  letter-spacing: -0.035em;
}

.canvas-empty-state p {
  max-width: 430px;
  margin: 0;
  color: var(--canvas-muted);
  font-size: 0.8rem;
  line-height: 1.65;
}

.canvas-empty-shortcuts {
  margin-top: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--canvas-faint);
  font-size: 0.66rem;
}

.canvas-empty-shortcuts kbd {
  padding: 2px 5px;
  border: 1px solid var(--canvas-line);
  border-bottom-color: var(--canvas-line-strong);
  border-radius: 5px;
  color: #a9a9b1;
  background: var(--canvas-surface);
  font: inherit;
}

.canvas-inspector {
  width: var(--canvas-inspector-width);
  min-width: var(--canvas-inspector-width);
  height: 100%;
  display: flex;
  flex-direction: column;
  background: rgba(18, 18, 22, 0.985);
  border-left: 1px solid var(--canvas-line);
  z-index: 24;
}

.canvas-inspector-header {
  min-height: 64px;
  padding: 14px 16px 12px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--canvas-line);
}

.canvas-inspector-header > div {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.canvas-inspector-header h2 {
  margin: 0;
  color: var(--canvas-text);
  font-size: 0.95rem;
  line-height: 1.1;
}

.canvas-inspector-content {
  min-height: 0;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
}

.canvas-context-card {
  padding: 12px;
  border: 1px solid var(--canvas-line);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.027);
}

.canvas-context-card h3 {
  margin: 0 0 5px;
  color: #ececef;
  font-size: 0.8rem;
  line-height: 1.3;
}

.canvas-context-card p {
  margin: 0;
  color: var(--canvas-muted);
  font-size: 0.69rem;
  line-height: 1.55;
}

.canvas-context-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.canvas-context-stat {
  min-height: 72px;
  padding: 11px;
  border: 1px solid var(--canvas-line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.025);
}

.canvas-context-stat strong {
  display: block;
  color: var(--canvas-text);
  font-size: 1.1rem;
  line-height: 1;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.canvas-context-stat span {
  display: block;
  margin-top: 8px;
  color: var(--canvas-faint);
  font-size: 0.65rem;
}

.canvas-context-node-head {
  padding: 13px;
  border: 1px solid rgba(242, 242, 242, 0.2);
  border-radius: 11px;
  background: linear-gradient(145deg, rgba(242, 242, 242, 0.1), rgba(255, 255, 255, 0.025));
}

.canvas-context-node-head span {
  color: #f2f2f2;
  font-size: 0.64rem;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.canvas-context-node-head h3 {
  margin: 4px 0 0;
  color: var(--canvas-text);
  font-size: 0.96rem;
}

.canvas-context-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid var(--canvas-line);
  border-radius: 11px;
  overflow: hidden;
}

.canvas-context-meta-row {
  min-height: 38px;
  padding: 0 11px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: rgba(255, 255, 255, 0.025);
  border-bottom: 1px solid var(--canvas-line);
  font-size: 0.68rem;
}

.canvas-context-meta-row:last-child {
  border-bottom: 0;
}

.canvas-context-meta-row span:first-child {
  color: var(--canvas-faint);
}

.canvas-context-meta-row span:last-child {
  color: #c9c9ce;
  max-width: 150px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.canvas-context-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 7px;
}

.canvas-context-action {
  min-height: 36px;
  padding: 0 11px;
  border: 1px solid var(--canvas-line);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  color: #c4c4ca;
  background: rgba(255, 255, 255, 0.035);
  font: inherit;
  font-size: 0.7rem;
  cursor: pointer;
}

.canvas-context-action:hover {
  color: var(--canvas-text);
  border-color: var(--canvas-line-strong);
  background: rgba(255, 255, 255, 0.065);
}

.canvas-context-action.is-primary {
  color: #aab6c1;
  border-color: rgba(242, 242, 242, 0.24);
  background: rgba(242, 242, 242, 0.09);
}

.canvas-context-action svg {
  width: 15px;
  height: 15px;
}

#canvas-view .canvas-zoom-slider {
  z-index: 22;
}

#canvas-view .canvas-node {
  max-height: calc(100vh - 220px);
  background: #1a1a1f;
  border-color: #303037;
  box-shadow: 0 14px 34px -18px rgba(0, 0, 0, 0.74);
}

#canvas-view .canvas-node:hover {
  border-color: #42424a;
}

#canvas-view .canvas-node.selected {
  border-color: var(--canvas-accent);
  box-shadow:
    0 0 0 2px rgba(242, 242, 242, 0.14),
    0 18px 42px -20px rgba(0, 0, 0, 0.86);
}

#canvas-view .node-header {
  background: #222228;
}

#canvas-view .node-params-collapsible .params-content {
  max-height: min(286px, calc(100vh - 390px));
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: #46464d transparent;
}

#canvas-view .port {
  min-height: 22px;
}

#canvas-view .port-dot {
  position: relative;
  background: var(--canvas-port-idle);
}

#canvas-view .port.port-connected .port-dot {
  background: var(--canvas-port-connected);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12);
}

#canvas-view .port:hover .port-dot {
  background: var(--canvas-port-hover);
}

#canvas-view .port-highlight .port-dot {
  background: var(--canvas-port-target) !important;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.18);
}

#canvas-view .port-dot::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
}

#canvas-view .node-generate-btn {
  min-height: 36px;
  border-color: rgba(242, 242, 242, 0.2);
  color: #aab6c1;
  background: rgba(242, 242, 242, 0.085);
}

#canvas-view .node-generate-btn:hover {
  border-color: rgba(242, 242, 242, 0.38);
  background: rgba(242, 242, 242, 0.14);
}

#canvas-view .media-preview-actions button {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

#canvas-view .media-preview-actions button svg {
  width: 13px;
  height: 13px;
}

#canvas-view .canvas-upload-icon {
  width: 24px;
  height: 24px;
  margin: 0 auto 8px;
  display: block;
  color: var(--canvas-muted);
  stroke-width: 1.5;
}

#canvas-view .canvas-file-icon {
  width: 23px;
  height: 23px;
  flex: 0 0 auto;
  color: var(--canvas-muted);
}

#canvas-view .history-list {
  gap: 9px;
}

#canvas-view .history-item {
  min-height: 58px;
  padding: 7px;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 28px;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--canvas-line);
  background: rgba(255, 255, 255, 0.025);
}

#canvas-view .canvas-history-material {
  width: 28px;
  height: 28px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--canvas-line);
  border-radius: 7px;
  color: var(--canvas-muted);
  background: rgba(255, 255, 255, 0.035);
}

#canvas-view .canvas-history-material:hover {
  color: #9ce9f3;
  border-color: rgba(242, 242, 242, 0.26);
  background: var(--canvas-accent-soft);
}

#canvas-view .canvas-history-material svg {
  width: 14px;
  height: 14px;
}

#canvas-view .history-thumb,
#canvas-view .history-thumb-placeholder {
  width: 44px;
  height: 44px;
  aspect-ratio: auto;
  border-radius: 7px;
}

#canvas-view .history-thumb-placeholder svg {
  width: 17px;
  height: 17px;
}

#canvas-view .history-info {
  margin: 0;
  text-align: left;
  color: #cfcfd4;
  font-size: 0.7rem;
  line-height: 1.45;
  white-space: normal;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.material-library-host,
.material-library-host .canvas-material-library-inner {
  min-height: 100%;
}

.material-library-host .canvas-material-library-inner {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.material-library-host .canvas-material-context,
.material-library-host .canvas-material-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.material-library-host .canvas-material-context > span {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--canvas-muted);
  font-size: 0.66rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.material-library-host .canvas-material-department-filter {
  min-width: 0;
  flex: 1;
  min-height: 30px;
  padding: 0 7px;
  display: flex;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--canvas-line);
  border-radius: 8px;
  color: var(--canvas-muted);
  background: rgba(255, 255, 255, 0.025);
}

.material-library-host .canvas-material-department-filter svg {
  flex: 0 0 auto;
}

.material-library-host .canvas-material-department-filter select {
  min-width: 0;
  width: 100%;
  border: 0;
  outline: 0;
  color: var(--canvas-text);
  background: transparent;
  font: inherit;
  font-size: 0.65rem;
}

.material-library-host .canvas-material-department-filter option {
  color: var(--canvas-text);
  background: var(--canvas-surface);
}

.material-library-host .canvas-material-context svg,
.material-library-host .canvas-material-section-title svg {
  width: 14px;
  height: 14px;
}

.material-library-host .canvas-material-context button {
  min-height: 30px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 1px solid rgba(242, 242, 242, 0.28);
  border-radius: 8px;
  color: #9ce9f3;
  background: var(--canvas-accent-soft);
  font-size: 0.66rem;
}

.material-library-host .canvas-material-context button:disabled,
.material-library-host .canvas-material-section-title button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.material-library-host .canvas-material-search {
  min-height: 34px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--canvas-line);
  border-radius: 9px;
  color: var(--canvas-faint);
  background: rgba(255, 255, 255, 0.025);
}

.material-library-host .canvas-material-search svg {
  width: 14px;
  height: 14px;
}

.material-library-host .canvas-material-search input {
  min-width: 0;
  flex: 1;
  border: 0;
  outline: 0;
  color: var(--canvas-text);
  background: transparent;
  font: inherit;
  font-size: 0.68rem;
}

.material-library-host .canvas-material-tabs {
  padding: 3px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(56px, 1fr));
  gap: 3px;
  border: 1px solid var(--canvas-line);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.018);
}

.material-library-host .canvas-material-tabs button {
  min-height: 27px;
  border: 0;
  border-radius: 6px;
  color: var(--canvas-faint);
  background: transparent;
  font-size: 0.65rem;
}

.material-library-host .canvas-material-tabs button:hover,
.material-library-host .canvas-material-tabs button.is-active {
  color: var(--canvas-text);
  background: rgba(255, 255, 255, 0.07);
}

.material-library-host .canvas-material-folders {
  padding-bottom: 10px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  border-bottom: 1px solid var(--canvas-line);
}

.material-library-host .canvas-material-favorites {
  width: 100%;
  min-height: 34px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--canvas-muted);
  background: transparent;
  font: inherit;
  font-size: 0.69rem;
  font-weight: 650;
  text-align: left;
}

.material-library-host .canvas-material-favorites:hover,
.material-library-host .canvas-material-favorites.is-active {
  color: var(--canvas-text);
  border-color: var(--canvas-line);
  background: rgba(255, 255, 255, 0.05);
}

.material-library-host .canvas-material-favorites svg {
  width: 15px;
  height: 15px;
}

.material-library-host .canvas-material-favorites.is-active svg {
  color: var(--primary);
  fill: currentColor;
}

.material-library-host .canvas-material-section-title {
  min-height: 24px;
  color: var(--canvas-faint);
  font-size: 0.62rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.material-library-host .canvas-material-section-title button,
.material-library-host .canvas-material-folder-menu {
  width: 26px;
  height: 26px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 7px;
  color: var(--canvas-faint);
  background: transparent;
}

.material-library-host .canvas-material-section-title button:hover,
.material-library-host .canvas-material-folder-menu:hover {
  color: var(--canvas-text);
  border-color: var(--canvas-line);
  background: rgba(255, 255, 255, 0.05);
}

.material-library-host .canvas-material-folder-row {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) 27px;
  align-items: center;
}

.material-library-host .canvas-material-folder-group {
  min-width: 0;
}

.material-library-host .canvas-material-folder-children {
  margin-left: 10px;
  padding-left: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-left: 1px solid var(--canvas-line);
}

.material-library-host .canvas-material-folder-toggle,
.material-library-host .canvas-material-folder-toggle-placeholder {
  width: 22px;
  height: 26px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 6px;
  color: var(--canvas-faint);
  background: transparent;
}

.material-library-host .canvas-material-folder-toggle:hover {
  color: var(--canvas-text);
  background: rgba(255, 255, 255, 0.05);
}

.material-library-host .canvas-material-folder-toggle svg {
  width: 13px;
  height: 13px;
}

.material-library-host .canvas-material-folder-row.is-child .canvas-material-folder {
  min-height: 28px;
  color: var(--canvas-faint);
  font-size: 0.64rem;
}

.canvas-material-folder-popover {
  z-index: 10040;
  min-width: 176px;
  padding: 5px;
  position: fixed;
  display: grid;
  gap: 2px;
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  background: rgba(24, 24, 28, 0.98);
  box-shadow: var(--glass-shadow);
}

.canvas-material-folder-popover button {
  min-height: 34px;
  padding: 0 9px;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 0;
  border-radius: 7px;
  color: var(--text-secondary);
  background: transparent;
  font: inherit;
  font-size: 0.72rem;
  text-align: left;
}

.canvas-material-folder-popover button:hover,
.canvas-material-folder-popover button:focus-visible {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.07);
  outline: none;
}

.canvas-material-folder-popover button.is-danger {
  color: var(--danger, #ef6a6a);
}

.canvas-material-folder-popover svg {
  width: 14px;
  height: 14px;
}

.canvas-material-dialog-layer {
  inset: 0;
  z-index: 10050;
  padding: 20px;
  position: fixed;
  display: grid;
  place-items: center;
  background: rgba(5, 5, 7, 0.72);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity var(--transition);
}

.canvas-material-dialog-layer.is-visible {
  opacity: 1;
}

.canvas-material-dialog {
  width: min(420px, 100%);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  color: var(--text-primary);
  background: rgba(26, 26, 30, 0.98);
  box-shadow: var(--glass-shadow);
  transform: translateY(8px) scale(0.985);
  transition: transform var(--transition);
}

.canvas-material-dialog-layer.is-visible .canvas-material-dialog {
  transform: translateY(0) scale(1);
}

.canvas-material-dialog header,
.canvas-material-dialog main,
.canvas-material-dialog footer {
  padding: 18px 20px;
}

.canvas-material-dialog header {
  padding-bottom: 14px;
}

.canvas-material-dialog header > span {
  color: var(--primary);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.canvas-material-dialog h2 {
  margin: 5px 0 0;
  font-size: 1.05rem;
}

.canvas-material-dialog p {
  margin: 7px 0 0;
  color: var(--text-secondary);
  font-size: 0.76rem;
  line-height: 1.55;
}

.canvas-material-dialog main {
  padding-top: 0;
}

.canvas-material-dialog label {
  display: grid;
  gap: 7px;
  color: var(--text-secondary);
  font-size: 0.7rem;
}

.canvas-material-dialog input,
.canvas-material-dialog select {
  width: 100%;
  min-height: 40px;
  padding: 0 11px;
  border: 1px solid var(--glass-border);
  border-radius: 9px;
  outline: none;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
  font: inherit;
}

.canvas-material-dialog select option {
  color: var(--text-primary);
  background: var(--brand-surface);
}

.canvas-material-dialog input:focus,
.canvas-material-dialog select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(242, 242, 242, 0.12);
}

.canvas-material-dialog label small {
  min-height: 1em;
  color: var(--danger, #ef6a6a);
}

.canvas-material-dialog footer {
  padding-top: 14px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  border-top: 1px solid var(--glass-border);
}

.canvas-material-dialog footer button {
  min-height: 36px;
  padding: 0 15px;
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  font: inherit;
  font-size: 0.72rem;
  font-weight: 700;
}

.canvas-material-dialog footer button.is-primary {
  border-color: transparent;
  color: #151519;
  background: var(--primary);
}

.canvas-material-dialog-layer.is-danger .canvas-material-dialog footer button.is-primary {
  color: #ffffff;
  background: var(--danger, #d84f4f);
}

.material-library-host .canvas-material-folder {
  width: 100%;
  min-height: 30px;
  padding: 0 8px;
  display: flex;
  align-items: center;
  gap: 7px;
  border: 1px solid transparent;
  border-radius: 7px;
  color: var(--canvas-muted);
  background: transparent;
  font: inherit;
  font-size: 0.67rem;
  text-align: left;
}

.material-library-host .canvas-material-folder svg {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
}

.material-library-host .canvas-material-folder > span {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  flex: 1;
}

.material-library-host .canvas-material-folder small {
  overflow: hidden;
  color: var(--canvas-faint);
  font-size: 0.55rem;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.material-library-host .canvas-material-folder:hover,
.material-library-host .canvas-material-folder.is-active,
.material-library-host .canvas-material-folder-row.is-active .canvas-material-folder {
  color: var(--canvas-text);
  border-color: var(--canvas-line);
  background: rgba(255, 255, 255, 0.045);
}

.material-library-host .canvas-material-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.material-library-host .canvas-material-card-shell {
  min-width: 0;
  position: relative;
}

.material-library-host .canvas-material-card-shell.is-highlighted {
  border-radius: 11px;
  box-shadow: 0 0 0 2px var(--primary), 0 0 22px rgba(103, 214, 233, 0.28);
}

.material-library-host .canvas-material-card {
  width: 100%;
  min-width: 0;
  padding: 0;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--canvas-line);
  border-radius: 9px;
  color: var(--canvas-text);
  background: rgba(255, 255, 255, 0.025);
  text-align: left;
}

.material-library-host .canvas-material-card:hover {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.055);
}

.material-library-host .canvas-material-asset-rename,
.material-library-host .canvas-material-asset-menu {
  top: 6px;
  left: 6px;
  z-index: 2;
  width: 22px;
  height: 22px;
  padding: 5px;
  position: absolute;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  color: #dedee3;
  background: rgba(12, 12, 14, 0.82);
  opacity: 0;
  transition: opacity 0.16s ease, background 0.16s ease;
}

.material-library-host .canvas-material-asset-favorite {
  top: 6px;
  right: 31px;
  z-index: 2;
  width: 22px;
  height: 22px;
  padding: 5px;
  position: absolute;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  color: var(--canvas-muted);
  background: rgba(12, 12, 14, 0.82);
  opacity: 0;
  transition: opacity 0.16s ease, color 0.16s ease, background 0.16s ease;
}

.material-library-host .canvas-material-card-shell:hover .canvas-material-asset-favorite,
.material-library-host .canvas-material-asset-favorite:focus-visible,
.material-library-host .canvas-material-asset-favorite.is-active {
  opacity: 1;
}

.material-library-host .canvas-material-asset-favorite:hover,
.material-library-host .canvas-material-asset-favorite.is-active {
  color: var(--primary);
  background: rgba(12, 12, 14, 0.9);
}

.material-library-host .canvas-material-asset-favorite.is-active svg {
  fill: currentColor;
}

.material-library-host .canvas-material-asset-favorite svg {
  width: 12px;
  height: 12px;
}

.material-library-host .canvas-material-card-shell:hover .canvas-material-asset-rename,
.material-library-host .canvas-material-card-shell:hover .canvas-material-asset-menu,
.material-library-host .canvas-material-asset-rename:focus-visible,
.material-library-host .canvas-material-asset-menu:focus-visible {
  opacity: 1;
}

.material-library-host .canvas-material-asset-rename:hover,
.material-library-host .canvas-material-asset-menu:hover {
  background: rgba(255, 255, 255, 0.16);
}

.material-library-host .canvas-material-asset-rename svg,
.material-library-host .canvas-material-asset-menu svg {
  width: 12px;
  height: 12px;
}

.material-library-host .canvas-material-upload-queue {
  padding: 10px;
  display: grid;
  gap: 9px;
  border: 1px solid var(--canvas-line);
  border-radius: 10px;
  background: rgba(103, 214, 233, 0.035);
}

.material-library-host .canvas-material-upload-queue header,
.material-library-host .canvas-material-upload-queue header > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.material-library-host .canvas-material-upload-queue header strong {
  color: var(--canvas-text);
  font-size: 0.7rem;
}

.material-library-host .canvas-material-upload-queue header span,
.material-library-host .canvas-material-upload-items small,
.material-library-host .canvas-material-upload-items > article > span {
  color: var(--canvas-faint);
  font-size: 0.59rem;
}

.material-library-host .canvas-material-upload-queue progress {
  width: 86px;
  height: 5px;
  accent-color: var(--primary);
}

.material-library-host .canvas-material-upload-items {
  max-height: 174px;
  overflow-y: auto;
  display: grid;
  gap: 5px;
}

.material-library-host .canvas-material-upload-items article {
  padding: 7px 8px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 3px 8px;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.035);
}

.material-library-host .canvas-material-upload-items article > div:first-child {
  min-width: 0;
  display: grid;
}

.material-library-host .canvas-material-upload-items strong,
.material-library-host .canvas-material-upload-items em {
  overflow: hidden;
  color: var(--canvas-text);
  font-size: 0.62rem;
  font-style: normal;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.material-library-host .canvas-material-upload-items em,
.material-library-host .canvas-material-upload-items .is-failed > span {
  color: var(--danger, #ef6a6a);
}

.material-library-host .canvas-material-upload-actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 6px;
}

.material-library-host .canvas-material-upload-actions button {
  min-height: 25px;
  padding: 0 8px;
  border: 1px solid var(--canvas-line);
  border-radius: 6px;
  color: var(--canvas-text);
  background: rgba(255, 255, 255, 0.045);
  font-size: 0.58rem;
}

.material-library-host .canvas-material-thumb {
  height: 74px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--canvas-muted);
  background: rgba(0, 0, 0, 0.22);
}

.material-library-host .canvas-material-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.material-library-host .canvas-material-type-icon svg {
  width: 24px;
  height: 24px;
  stroke-width: 1.4;
}

.material-library-host .canvas-material-thumb em {
  right: 5px;
  bottom: 5px;
  padding: 2px 5px;
  position: absolute;
  border-radius: 4px;
  color: #d7d7dc;
  background: rgba(12, 12, 14, 0.78);
  font-size: 0.55rem;
  font-style: normal;
}

.material-library-host .canvas-material-card-copy {
  min-width: 0;
  padding: 7px 8px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.material-library-host .canvas-material-card-copy strong {
  overflow: hidden;
  color: #d9d9de;
  font-size: 0.65rem;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.material-library-host .canvas-material-card-copy small {
  color: var(--canvas-faint);
  font-size: 0.56rem;
}

.material-library-host .canvas-material-card-add {
  top: 6px;
  right: 6px;
  width: 18px;
  height: 18px;
  padding: 3px;
  position: absolute;
  border-radius: 5px;
  color: #dedee3;
  background: rgba(12, 12, 14, 0.76);
}

.material-library-host .canvas-material-empty,
.material-library-host .canvas-material-loading,
.material-library-host .canvas-material-error {
  grid-column: 1 / -1;
  min-height: 150px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
  color: var(--canvas-faint);
  text-align: center;
  font-size: 0.68rem;
}

.material-library-host .canvas-material-empty svg,
.material-library-host .canvas-material-error svg {
  width: 25px;
  height: 25px;
}

.material-library-host .canvas-material-loading span {
  width: 18px;
  height: 18px;
  border: 2px solid var(--canvas-line-strong);
  border-top-color: var(--canvas-muted);
  border-radius: 50%;
  animation: canvasMaterialSpin 0.75s linear infinite;
}

.material-library-host .canvas-material-error button {
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid var(--canvas-line);
  border-radius: 7px;
  color: var(--canvas-text);
  background: rgba(255, 255, 255, 0.05);
}

.material-library-host {
  --canvas-surface: #111820;
  --canvas-surface-raised: #18222c;
  --canvas-line: rgba(242, 247, 249, 0.075);
  --canvas-line-strong: rgba(242, 247, 249, 0.14);
  --canvas-text: var(--text-primary, #f2f7f9);
  --canvas-muted: var(--text-secondary, #aab6c1);
  --canvas-faint: #6f7c87;
  --canvas-accent-soft: rgba(242, 242, 242, 0.13);
  color: var(--canvas-text);
  position: relative;
}

.material-library-host.is-generation-drag-over::after {
  content: '松开后加入当前部门与文件夹';
  inset: 8px;
  z-index: 20;
  position: absolute;
  display: grid;
  place-items: center;
  border: 1px dashed var(--primary, #f2f2f2);
  border-radius: 12px;
  color: var(--canvas-text);
  background: rgba(18, 18, 21, 0.9);
  box-shadow: 0 0 0 3px rgba(242, 242, 242, 0.1);
  font-size: 0.78rem;
  font-weight: 700;
  pointer-events: none;
}

.generation-material-drag-source {
  cursor: grab;
}

.generation-material-drag-source:active {
  cursor: grabbing;
}

.is-generation-drop-target {
  outline: 2px solid var(--primary, #f2f2f2) !important;
  outline-offset: 3px;
  box-shadow: 0 0 0 5px rgba(242, 242, 242, 0.14) !important;
}

@media (hover: none) {
  .material-library-host .canvas-material-asset-rename,
  .material-library-host .canvas-material-asset-favorite {
    opacity: 0.88;
  }
}

.material-library-host .canvas-material-card.is-selected {
  border-color: var(--primary, #f2f2f2);
  box-shadow: 0 0 0 2px rgba(242, 242, 242, 0.14);
}

.material-library-host .canvas-material-card.is-selected .canvas-material-card-add {
  color: #111114;
  background: var(--primary, #f2f2f2);
}

.material-library-host .canvas-material-selection-bar {
  bottom: 0;
  z-index: 4;
  min-height: 48px;
  padding: 8px 10px;
  position: sticky;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border: 1px solid var(--canvas-line-strong);
  border-radius: 10px;
  background: rgba(21, 21, 25, 0.96);
  box-shadow: 0 -10px 24px rgba(0, 0, 0, 0.22);
  color: var(--canvas-muted);
  font-size: 0.72rem;
}

.material-library-host .canvas-material-selection-bar b {
  color: var(--canvas-text);
}

.material-library-host .canvas-material-selection-bar > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px;
}

.material-library-host .canvas-material-selection-bar button {
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid var(--canvas-line-strong);
  border-radius: 8px;
  color: var(--canvas-text);
  background: rgba(255, 255, 255, 0.05);
  white-space: nowrap;
}

.material-library-host .canvas-material-selection-bar button.is-primary {
  border-color: transparent;
  color: #111114;
  background: var(--primary, #f2f2f2);
  font-weight: 750;
}

.material-library-host .canvas-material-selection-bar button.is-danger {
  border-color: color-mix(in srgb, var(--danger) 34%, transparent);
  color: var(--danger);
  background: color-mix(in srgb, var(--danger) 12%, transparent);
}

.material-library-host .canvas-material-selection-bar button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.material-library-host .canvas-material-pagination {
  min-height: 38px;
  padding-top: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--canvas-faint);
  border-top: 1px solid var(--canvas-line);
  font-size: 0.65rem;
}

.material-library-host .canvas-material-pagination > div {
  display: flex;
  align-items: center;
  gap: 7px;
}

.material-library-host .canvas-material-pagination strong {
  min-width: 54px;
  color: var(--canvas-text);
  text-align: center;
}

.material-library-host .canvas-material-pagination button {
  min-height: 29px;
  padding: 0 10px;
  color: var(--canvas-text);
  border: 1px solid var(--canvas-line);
  border-radius: 7px;
  background: var(--canvas-surface-raised);
}

.material-library-host .canvas-material-pagination button:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

.generation-material-heading-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

#open-material-library-btn {
  min-height: 32px;
  padding: 0 11px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

#open-material-library-btn svg {
  width: 15px;
  height: 15px;
}

#upload-drop-zone .thumb {
  position: relative;
}

.workbench-material-source-badge {
  left: 5px;
  bottom: 5px;
  padding: 2px 5px;
  position: absolute;
  border-radius: 5px;
  color: #111114;
  background: var(--primary, #f2f2f2);
  font-size: 0.56rem;
  font-weight: 800;
}

.workbench-material-audio-preview,
.workbench-material-preview-loading {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary, #aaa);
  background: rgba(255, 255, 255, 0.035);
  font-size: 0.7rem;
}

.workbench-material-audio-preview svg {
  width: 22px;
  height: 22px;
}

#material-library-view {
  min-height: calc(100vh - 70px);
  padding: 30px clamp(18px, 4vw, 56px) 56px;
}

.material-library-page-shell {
  width: min(1280px, 100%);
  margin: 0 auto;
}

.material-library-page-header {
  margin-bottom: 22px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 22px;
}

.material-library-page-header > button {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.material-library-page-header svg {
  width: 16px;
  height: 16px;
}

.material-library-page-header span,
.workbench-material-dialog-panel > header span {
  color: var(--primary, #f2f2f2);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.material-library-page-header h1,
.workbench-material-dialog-panel > header h2 {
  margin: 5px 0 4px;
  color: var(--text-primary, #fff);
}

.material-library-page-header p,
.workbench-material-dialog-panel > header p {
  margin: 0;
  color: var(--text-secondary, #aaa);
  line-height: 1.55;
}

.material-library-page-content {
  min-height: 620px;
  padding: 18px;
  border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.08));
  border-radius: var(--radius, 1rem);
  background: var(--glass-bg, rgba(30, 30, 34, 0.7));
  box-shadow: var(--glass-shadow, 0 8px 32px rgba(0, 0, 0, 0.4));
}

:is(#material-library-view, #workbench-material-library, #canvas-material-library-dialog) .canvas-material-library-inner {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  grid-template-rows: auto auto auto auto minmax(0, 1fr) auto auto;
  align-items: start;
  gap: 12px 18px;
}

:is(#material-library-view, #workbench-material-library, #canvas-material-library-dialog) .canvas-material-context {
  grid-column: 1 / -1;
}

:is(#material-library-view, #workbench-material-library, #canvas-material-library-dialog) .canvas-material-search,
:is(#material-library-view, #workbench-material-library, #canvas-material-library-dialog) .canvas-material-tabs,
:is(#material-library-view, #workbench-material-library, #canvas-material-library-dialog) .canvas-material-library-inner > .canvas-material-section-title,
:is(#material-library-view, #workbench-material-library, #canvas-material-library-dialog) .canvas-material-grid,
:is(#material-library-view, #workbench-material-library, #canvas-material-library-dialog) .canvas-material-pagination,
:is(#material-library-view, #workbench-material-library, #canvas-material-library-dialog) .canvas-material-selection-bar {
  grid-column: 2;
}

:is(#material-library-view, #workbench-material-library, #canvas-material-library-dialog) .canvas-material-folders {
  grid-column: 1;
  grid-row: 2 / 8;
  min-height: 100%;
  padding-right: 14px;
  border-right: 1px solid var(--canvas-line);
  border-bottom: 0;
}

:is(#material-library-view, #workbench-material-library, #canvas-material-library-dialog) .canvas-material-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  min-height: 0;
  overflow-y: auto;
  align-content: start;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

:is(#material-library-view, #workbench-material-library, #canvas-material-library-dialog) .canvas-material-thumb {
  height: 132px;
}

#workbench-material-library .canvas-material-library-inner,
#canvas-material-library-dialog .canvas-material-library-inner { height: 100%; }

.workbench-material-dialog {
  visibility: hidden;
  pointer-events: none;
}

.workbench-material-dialog.is-visible {
  visibility: visible;
  pointer-events: auto;
}

.workbench-material-dialog-backdrop {
  inset: 0;
  position: absolute;
  border: 0;
  background: transparent;
}

.workbench-material-dialog-panel {
  z-index: 1;
  grid-template-rows: auto minmax(0, 1fr);
}

.workbench-material-dialog-content {
  min-height: 0;
  padding: 18px 22px 22px;
  overflow: hidden;
}

#workbench-material-library {
  height: 100%;
  min-height: 0;
}

@media (max-width: 760px) {
  .generation-material-heading-actions {
    align-items: flex-end;
    flex-direction: column;
  }

  :is(#material-library-view, #workbench-material-library, #canvas-material-library-dialog) .canvas-material-library-inner {
    display: flex;
  }

  :is(#material-library-view, #workbench-material-library, #canvas-material-library-dialog) .canvas-material-folders {
    min-height: 0;
    padding-right: 0;
    border-right: 0;
    border-bottom: 1px solid var(--canvas-line);
  }

  :is(#material-library-view, #workbench-material-library, #canvas-material-library-dialog) .canvas-material-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@keyframes canvasMaterialSpin {
  to { transform: rotate(360deg); }
}

#canvas-view .help-section-title {
  display: flex;
  align-items: center;
  gap: 7px;
}

#canvas-view .help-section-title svg {
  width: 15px;
  height: 15px;
  color: var(--canvas-accent);
}

.canvas-panel-empty {
  min-height: 220px;
  padding: 24px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--canvas-muted);
}

.canvas-panel-empty svg {
  width: 28px;
  height: 28px;
  margin-bottom: 12px;
  color: var(--canvas-faint);
}

.canvas-panel-empty strong {
  color: #d7d7db;
  font-size: 0.78rem;
}

.canvas-panel-empty span {
  max-width: 210px;
  margin-top: 6px;
  color: var(--canvas-faint);
  font-size: 0.67rem;
  line-height: 1.5;
}

#canvas-view button:focus-visible,
#canvas-view input:focus-visible,
#canvas-view textarea:focus-visible,
#canvas-view select:focus-visible,
#canvas-view [tabindex]:focus-visible {
  outline: 2px solid rgba(242, 242, 242, 0.92) !important;
  outline-offset: 2px !important;
  border-color: rgba(242, 242, 242, 0.65) !important;
  box-shadow: 0 0 0 4px rgba(242, 242, 242, 0.12) !important;
}

#canvas-view input,
#canvas-view textarea,
#canvas-view select,
#canvas-view .display-text-line {
  user-select: text !important;
}

@media (max-width: 1180px) {
  #canvas-view {
    --canvas-inspector-width: 250px;
  }

  .canvas-command-bar {
    grid-template-columns: minmax(260px, 1fr) auto minmax(370px, 1fr);
    gap: 10px;
  }

  .canvas-project-name {
    max-width: 155px;
  }

}

@media (max-width: 980px) {
  #canvas-view {
    --canvas-rail-width: 58px;
    --canvas-inspector-width: 0px;
  }

  .canvas-command-bar {
    grid-template-columns: minmax(220px, 1fr) auto;
  }

  .canvas-flow-summary,
  .canvas-inspector {
    display: none;
  }

  #canvas-view .canvas-help-drawer {
    right: 0;
  }

}

@media (max-width: 720px) {
  .canvas-command-bar {
    padding: 0 8px;
    grid-template-columns: 1fr auto;
  }

  .canvas-project-eyebrow,
  .canvas-save-state,
  .canvas-command-actions .canvas-command-icon:nth-of-type(1),
  .canvas-command-actions .canvas-command-icon:nth-of-type(2),
  .canvas-command-button span {
    display: none;
  }

  .canvas-command-button {
    width: 34px;
    padding: 0;
  }

  .canvas-run-btn {
    min-width: 84px;
    padding: 0 9px;
  }

  #canvas-view .canvas-panel,
  #canvas-view .canvas-help-drawer {
    left: var(--canvas-rail-width);
    right: 0;
    width: auto !important;
  }

  #canvas-view .canvas-help-drawer {
    transform: translateX(104%);
  }
}

@media (prefers-reduced-motion: reduce) {
  #canvas-view *,
  #canvas-view *::before,
  #canvas-view *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}

/* ========== Content-first 节点与按需参数检查器 V10.1（2026-08-24） ========== */
#canvas-view .canvas-node > .node-params-collapsible,
#canvas-view .canvas-node > .node-action-area,
#canvas-view .canvas-node > .node-media-references {
  display: none !important;
}

#canvas-view .canvas-node {
  min-height: 132px;
  overflow: visible;
  background: #15191e;
}

#canvas-view .canvas-node .node-header {
  height: 36px;
  padding: 0 10px;
  border-bottom: 0;
  border-radius: inherit;
  background: transparent;
}

#canvas-view .canvas-node .node-header-left {
  gap: 7px;
}

#canvas-view .canvas-node .node-title {
  color: var(--canvas-muted);
  font-size: 0.72rem;
  font-weight: 620;
}

#canvas-view .canvas-node .node-icon {
  width: 15px;
  height: 15px;
  color: var(--canvas-faint);
}

#canvas-view .canvas-node .node-ports-wrapper {
  position: absolute;
  inset: 38px -9px 38px;
  z-index: 3;
  margin: 0;
  gap: 0;
  pointer-events: none;
}

#canvas-view .canvas-node .node-input-ports,
#canvas-view .canvas-node .node-output-ports {
  position: absolute;
  top: 50%;
  width: 18px;
  flex: none;
  gap: 8px;
  transform: translateY(-50%);
  overflow: visible;
}

#canvas-view .canvas-node .node-input-ports {
  left: 0;
}

#canvas-view .canvas-node .node-output-ports {
  right: 0;
}

#canvas-view .canvas-node .port {
  width: 18px;
  height: 18px;
  min-height: 18px;
  padding: 0;
  justify-content: center;
  gap: 0;
  border: 1px solid var(--canvas-line-strong);
  border-radius: 50%;
  background: var(--canvas-bg);
  pointer-events: auto;
  opacity: 0;
  transform: scale(0.72);
  transition: opacity var(--transition), transform var(--transition), border-color var(--transition), background var(--transition);
}

#canvas-view .canvas-node:hover .port,
#canvas-view .canvas-node.selected .port,
#canvas-view .canvas-node .port.port-connected,
#canvas-view .canvas-node .port.port-highlight,
#canvas-view .canvas-node.is-connection-snap-target .port-input {
  opacity: 1;
  transform: scale(1);
}

#canvas-view .canvas-node .port-label {
  display: none;
}

#canvas-view .canvas-node .port-dot {
  width: 7px;
  height: 7px;
  margin: 0;
  border: 0;
  background: var(--canvas-port-idle);
}

#canvas-view .canvas-node .port:hover,
#canvas-view .canvas-node .port.compatible-target {
  border-color: var(--canvas-text);
  background: var(--canvas-surface-raised);
}

#canvas-view .canvas-node .port:hover .port-dot,
#canvas-view .canvas-node .port.compatible-target .port-dot {
  background: var(--canvas-text);
}

#canvas-view .canvas-node.is-connection-snap-target {
  border-color: var(--canvas-line-strong);
  box-shadow: 0 0 0 1px rgba(242, 247, 249, 0.12), 0 18px 42px -24px rgba(0, 0, 0, 0.86);
}

#canvas-view .canvas-node > .node-preview-area,
#canvas-view .canvas-node > .node-params-area {
  margin: 0 10px 10px;
  border: 0;
  border-radius: 10px 10px 4px 10px;
  overflow: hidden;
  background: var(--canvas-bg);
}

#canvas-view .canvas-node > .node-params-area {
  padding: 10px;
}

#canvas-view .canvas-node-plain-text > .node-params-area textarea {
  min-height: 118px !important;
  padding: 10px;
  border-color: transparent;
  color: var(--canvas-text);
  background: transparent;
  resize: none !important;
}

#canvas-view .canvas-node-plain-text > .node-params-area label {
  display: none;
}

#canvas-view .canvas-node-media-loader,
#canvas-view .canvas-node-media-preview,
#canvas-view .canvas-node-plain-text {
  min-height: 190px;
}

#canvas-view .canvas-node.selected {
  border-color: rgba(242, 247, 249, 0.72);
  box-shadow: 0 0 0 1px rgba(242, 247, 249, 0.12), 0 18px 42px -24px rgba(0, 0, 0, 0.86);
}

#canvas-view .canvas-inspector {
  background: #11151a;
}

.canvas-inspector-parameters {
  padding: 12px;
  border: 1px solid var(--canvas-line);
  border-radius: 12px 12px 4px 12px;
  background: var(--canvas-surface-soft);
}

.canvas-inspector-section-head {
  margin-bottom: 12px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.canvas-inspector-section-head span {
  color: var(--canvas-faint);
  font: 650 0.54rem/1 "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.16em;
}

.canvas-inspector-section-head strong {
  color: var(--canvas-text);
  font-size: 0.74rem;
}

.canvas-inspector-parameter-host,
.canvas-inspector-parameter-mirror {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.canvas-inspector-parameter-host .node-prompt-area,
.canvas-inspector-parameter-host .node-params-area {
  margin: 0;
  padding: 0;
  border: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: transparent;
}

.canvas-inspector-parameter-host .node-prompt-area textarea,
.canvas-inspector-parameter-host .node-params-group input,
.canvas-inspector-parameter-host .node-params-group select,
.canvas-inspector-parameter-host .node-params-group textarea {
  width: 100%;
  min-height: 36px;
  padding: 8px 10px;
  box-sizing: border-box;
  border: 1px solid var(--canvas-line-strong);
  border-radius: 8px;
  color: var(--canvas-text);
  background: var(--canvas-bg);
  font-size: 0.74rem;
  outline: 0;
}

.canvas-inspector-parameter-host .node-prompt-area textarea,
.canvas-inspector-parameter-host .node-params-group textarea {
  min-height: 72px;
  resize: vertical;
}

.canvas-inspector-parameter-host .node-prompt-area textarea:focus,
.canvas-inspector-parameter-host .node-params-group input:focus,
.canvas-inspector-parameter-host .node-params-group select:focus,
.canvas-inspector-parameter-host .node-params-group textarea:focus {
  border-color: rgba(242, 247, 249, 0.48);
  box-shadow: 0 0 0 2px rgba(242, 247, 249, 0.06);
}

.canvas-inspector-parameter-host .node-params-group label {
  color: var(--canvas-muted);
  font-size: 0.64rem;
  letter-spacing: 0.02em;
  text-transform: none;
}

.canvas-inspector-parameter-host .node-advanced-toggle {
  min-height: 34px;
  padding: 0 9px;
  border: 1px solid var(--canvas-line);
  border-radius: 8px;
  color: var(--canvas-muted);
  background: transparent;
  text-align: left;
}

@media (max-width: 1180px) {
  #canvas-view {
    --canvas-inspector-width: 300px;
  }
}

#canvas-view .canvas-node > .node-selected-controls {
  display: none;
}

#canvas-view .canvas-node.selected > .node-selected-controls {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  z-index: 40;
  width: 520px;
  max-height: min(560px, calc(100vh - 190px));
  padding: 16px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: auto;
  border: 1px solid var(--canvas-line-strong);
  border-radius: 16px;
  color: var(--canvas-text);
  background: #15191e;
  box-shadow: 0 22px 56px rgba(0, 0, 0, 0.42);
  transform: translateX(-50%);
}

#canvas-view .canvas-node.selected > .node-selected-controls .node-params-collapsible {
  margin: 0;
  border: 0;
}

#canvas-view .canvas-node.selected > .node-selected-controls .params-toggle {
  display: none;
}

#canvas-view .canvas-node.selected > .node-selected-controls .params-content {
  display: block !important;
}

#canvas-view .canvas-node.selected > .node-selected-controls .node-prompt-area {
  margin: 0 0 12px;
}

#canvas-view .canvas-node.selected > .node-selected-controls .node-prompt-area textarea {
  width: 100%;
  min-height: 116px;
  padding: 12px;
  box-sizing: border-box;
  border: 1px solid var(--canvas-line-strong);
  border-radius: 10px;
  color: var(--canvas-text);
  background: var(--canvas-bg);
  resize: vertical;
}

#canvas-view .canvas-node.selected > .node-selected-controls .node-params-area {
  margin: 0;
  padding: 0;
  border: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

#canvas-view .canvas-node.selected > .node-selected-controls .node-params-group {
  min-width: 0;
}

#canvas-view .canvas-node.selected > .node-selected-controls .node-params-group label {
  color: var(--canvas-muted);
  font-size: 0.64rem;
  text-transform: none;
}

#canvas-view .canvas-node.selected > .node-selected-controls .node-params-group input,
#canvas-view .canvas-node.selected > .node-selected-controls .node-params-group select,
#canvas-view .canvas-node.selected > .node-selected-controls .node-params-group textarea {
  width: 100%;
  min-height: 38px;
  padding: 8px 10px;
  box-sizing: border-box;
  border-color: var(--canvas-line-strong);
  border-radius: 8px;
  color: var(--canvas-text);
  background: var(--canvas-bg);
}

#canvas-view .canvas-node.selected > .node-selected-controls .node-advanced-toggle,
#canvas-view .canvas-node.selected > .node-selected-controls .node-advanced-params {
  grid-column: 1 / -1;
}

#canvas-view .canvas-node.selected > .node-selected-controls .node-action-area {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--canvas-line);
}

#canvas-view .canvas-node.selected > .node-selected-controls .node-generate-btn {
  min-height: 42px;
  margin: 0;
  border-color: var(--canvas-text);
  color: var(--brand-ink);
  background: var(--canvas-text);
}

#canvas-view .canvas-node.selected > .node-selected-controls .node-generate-btn:hover {
  color: var(--brand-ink);
  background: var(--canvas-muted);
}

/* 图片、视频与文本生成节点：参考创作台采用“宽提示区 + 底部参数轨”的局部编辑方式。 */
#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected {
  z-index: 30;
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls {
  width: min(760px, calc(100vw - 96px));
  min-height: 246px;
  max-height: none;
  padding: 18px 18px 14px;
  gap: 0;
  overflow: visible;
  border-color: rgba(242, 247, 249, 0.14);
  border-radius: var(--radius);
  background: #1d2024;
  box-shadow: 0 28px 72px rgba(0, 0, 0, 0.46);
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-params-collapsible,
#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .params-content {
  min-width: 0;
  width: 100%;
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .params-content {
  max-height: none !important;
  overflow: visible !important;
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video).selected > .node-selected-controls .node-media-references {
  display: block !important;
  width: 100%;
  margin: 0 0 10px;
  padding: 0;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video).selected > .node-selected-controls .node-media-references .no-refs-hint {
  min-height: 52px;
  padding: 8px 12px;
  border-color: var(--canvas-line);
  border-radius: var(--radius);
  background: var(--canvas-surface-soft);
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video).selected > .node-selected-controls .node-media-references .refs-header {
  margin-bottom: 6px;
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video).selected > .node-selected-controls .node-media-references .refs-list {
  min-height: 64px;
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-prompt-area {
  min-height: 142px;
  margin: 0;
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-prompt-area textarea {
  min-height: 142px;
  max-height: 240px;
  padding: 4px 2px 18px;
  border: 0;
  border-radius: 0;
  color: var(--canvas-text);
  background: transparent;
  box-shadow: none;
  resize: none;
  font-size: 0.92rem;
  line-height: 1.7;
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-prompt-area textarea::placeholder {
  color: rgba(170, 182, 193, 0.48);
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-prompt-area textarea:focus {
  outline: 0;
  box-shadow: none;
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-params-area {
  min-width: 0;
  margin: 0;
  padding: 12px 58px 0 0;
  display: flex;
  flex-flow: row wrap;
  align-items: flex-end;
  gap: 6px;
  border-top: 1px solid rgba(242, 247, 249, 0.09);
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-params-group {
  min-width: 92px;
  flex: 1 1 108px;
  gap: 2px;
  padding: 0;
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-params-group:first-child {
  min-width: 180px;
  flex-basis: 200px;
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-params-group label {
  padding-left: 8px;
  color: rgba(170, 182, 193, 0.64);
  font-family: var(--font-mono, "SFMono-Regular", Consolas, monospace);
  font-size: 0.56rem;
  line-height: 1.2;
  letter-spacing: 0.08em;
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-params-group input,
#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-params-group select,
#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-params-group textarea {
  min-height: 34px;
  padding: 6px 8px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--canvas-text);
  background: transparent;
  box-shadow: none;
  font-size: 0.76rem;
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-params-group input:hover,
#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-params-group select:hover,
#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-params-group textarea:hover {
  background: rgba(242, 247, 249, 0.045);
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-params-group input:focus,
#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-params-group select:focus,
#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-params-group textarea:focus {
  border-color: rgba(242, 247, 249, 0.18);
  outline: 0;
  background: rgba(8, 11, 15, 0.42);
  box-shadow: none;
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-advanced-toggle {
  flex: 0 0 auto;
  min-height: 34px;
  margin: 0;
  padding: 0 10px;
  border: 0;
  border-radius: 8px;
  color: rgba(170, 182, 193, 0.76);
  background: transparent;
  font-size: 0.66rem;
  white-space: nowrap;
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-advanced-toggle:hover {
  color: var(--canvas-text);
  background: rgba(242, 247, 249, 0.055);
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-advanced-params {
  flex: 0 0 100%;
  min-width: 0;
  padding-top: 7px;
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-advanced-params.open {
  display: flex;
  flex-flow: row wrap;
  gap: 6px;
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-action-area {
  position: absolute;
  right: 14px;
  bottom: 12px;
  left: 14px;
  min-height: 42px;
  margin: 0;
  padding: 0;
  border: 0;
  pointer-events: none;
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-generate-btn {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 42px;
  height: 42px;
  min-height: 42px;
  padding: 0;
  border: 1px solid var(--canvas-text);
  border-radius: 999px;
  color: #080b0f;
  background: var(--canvas-text);
  box-shadow: none;
  pointer-events: auto;
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-generate-btn .btn-icon,
#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-generate-btn span {
  display: none;
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-generate-btn::after {
  content: "\2191";
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1;
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-generate-btn:hover {
  border-color: #ffffff;
  color: #080b0f;
  background: #ffffff;
  transform: translateY(-1px);
}

#canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls .node-gen-progress {
  width: calc(100% - 56px);
  padding: 10px 0 0;
  pointer-events: auto;
}

#canvas-view .canvas-node .node-input-ports,
#canvas-view .canvas-node .node-output-ports {
  gap: 0;
}

@media (max-width: 720px) {
  #canvas-view .canvas-node.selected > .node-selected-controls {
    width: min(440px, calc(100vw - 40px));
  }

  #canvas-view .canvas-node.selected > .node-selected-controls .node-params-area {
    grid-template-columns: 1fr;
  }

  #canvas-view .canvas-node:is(.canvas-node-image, .canvas-node-video, .canvas-node-text).selected > .node-selected-controls {
    width: min(620px, calc(100vw - 40px));
    padding: 16px;
  }
}

/* ========== Signal Flow 画布 V10（2026-08-24） ========== */
#canvas-view {
  --canvas-inspector-active-width: 0px;
}

#canvas-view.is-inspector-open {
  --canvas-inspector-active-width: var(--canvas-inspector-width);
}

.canvas-command-bar {
  grid-template-columns: minmax(240px, 1fr) auto minmax(0, 1fr);
  background: rgba(17, 24, 32, 0.985);
}

.canvas-command-actions {
  position: relative;
}

.canvas-run-control {
  position: relative;
  display: inline-flex;
  align-items: stretch;
}

.canvas-run-control .canvas-run-btn {
  min-width: 116px;
  border-radius: 9px 0 0 9px;
  color: var(--brand-ink);
  border-color: var(--canvas-text);
  background: var(--canvas-text);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.24);
}

.canvas-run-control .canvas-run-btn:hover {
  color: var(--brand-ink);
  border-color: var(--canvas-text);
  background: var(--canvas-muted);
}

.canvas-run-menu-btn {
  width: 32px;
  border: 1px solid var(--canvas-text);
  border-left-color: rgba(8, 11, 15, 0.22);
  border-radius: 0 9px 9px 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-ink);
  background: var(--canvas-text);
  cursor: pointer;
}

.canvas-run-menu-btn svg {
  width: 14px;
  height: 14px;
}

.canvas-run-menu-btn:disabled {
  cursor: not-allowed;
  opacity: 0.46;
}

.canvas-run-menu {
  position: absolute;
  top: calc(100% + 9px);
  right: 0;
  z-index: 80;
  width: 258px;
  padding: 6px;
  border: 1px solid var(--canvas-line-strong);
  border-radius: 12px;
  background: var(--canvas-surface);
  box-shadow: 0 22px 54px rgba(0, 0, 0, 0.48);
}

.canvas-run-menu[hidden] {
  display: none;
}

.canvas-run-menu button {
  width: 100%;
  min-height: 54px;
  padding: 8px 10px;
  border: 0;
  border-radius: 8px;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  color: var(--canvas-text);
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.canvas-run-menu button:hover,
.canvas-run-menu button:focus-visible {
  background: var(--canvas-surface-soft);
}

.canvas-run-menu button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
  background: transparent;
}

.canvas-run-menu button svg {
  width: 17px;
  height: 17px;
  color: var(--canvas-muted);
}

.canvas-run-menu button span {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.canvas-run-menu button strong {
  font-size: 0.76rem;
  font-weight: 680;
}

.canvas-run-menu button small {
  color: var(--canvas-muted);
  font-size: 0.64rem;
  line-height: 1.35;
}

#canvas-view .canvas-help-drawer {
  right: var(--canvas-inspector-active-width);
}

.canvas-inspector {
  width: var(--canvas-inspector-active-width);
  min-width: var(--canvas-inspector-active-width);
  opacity: 0;
  overflow: hidden;
  transform: translateX(18px);
  pointer-events: none;
  transition:
    width 180ms ease,
    min-width 180ms ease,
    opacity 150ms ease,
    transform 180ms ease;
}

#canvas-view.is-inspector-open .canvas-inspector {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.canvas-inspector-header {
  justify-content: space-between;
  gap: 10px;
}

.canvas-inspector-close {
  width: 30px;
  height: 30px;
  padding: 0;
  border: 1px solid var(--canvas-line);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--canvas-muted);
  background: var(--canvas-surface-soft);
  cursor: pointer;
}

.canvas-inspector-close svg {
  width: 15px;
  height: 15px;
}

.canvas-empty-state {
  pointer-events: auto;
}

.canvas-empty-starters {
  width: min(430px, 100%);
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.canvas-empty-starters button {
  min-height: 72px;
  padding: 10px 8px;
  border: 1px solid var(--canvas-line);
  border-radius: 12px 12px 5px 12px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  color: var(--canvas-muted);
  background: rgba(17, 24, 32, 0.82);
  text-align: left;
  cursor: pointer;
  transition: border-color 150ms ease, color 150ms ease, transform 150ms ease;
}

.canvas-empty-starters button:hover {
  color: var(--canvas-text);
  border-color: var(--canvas-line-strong);
  transform: translateY(-2px);
}

.canvas-empty-starters button:first-child {
  border-radius: 12px 5px 12px 12px;
}

.canvas-empty-starters button svg {
  width: 17px;
  height: 17px;
}

.canvas-empty-starters button span {
  font-size: 0.72rem;
  font-weight: 680;
}

.canvas-empty-mark {
  color: var(--canvas-text);
  background: var(--canvas-surface);
}

#canvas-view .canvas-node {
  border-radius: var(--radius);
  background: var(--canvas-surface);
  border-color: var(--canvas-line-strong);
  box-shadow: 0 18px 42px -24px rgba(0, 0, 0, 0.82);
}

#canvas-view .canvas-node-media-loader,
#canvas-view .canvas-node-media-preview {
  border-radius: var(--radius);
}

#canvas-view .canvas-node-image,
#canvas-view .canvas-node-video {
  background: var(--canvas-surface-raised);
}

#canvas-view .node-header {
  height: 40px;
  padding-inline: 11px 8px;
  background: rgba(8, 11, 15, 0.42);
}

.node-header-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.node-quick-tools {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  opacity: 0;
  transform: translateX(4px);
  pointer-events: none;
  transition: opacity 130ms ease, transform 130ms ease;
}

.canvas-node:hover .node-quick-tools,
.canvas-node.selected .node-quick-tools,
.node-quick-tools:focus-within {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.node-quick-tools button {
  width: 25px;
  height: 25px;
  padding: 0;
  border: 0;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--canvas-muted);
  background: transparent;
  cursor: pointer;
}

.node-quick-tools button:hover {
  color: var(--canvas-text);
  background: var(--canvas-surface-soft);
}

.node-quick-tools button[data-node-action="delete"]:hover {
  color: var(--canvas-danger);
}

.node-quick-tools svg {
  width: 13px;
  height: 13px;
}

#canvas-view .node-status-indicator {
  top: 15px;
  right: 12px;
  width: 7px;
  height: 7px;
  transition: opacity 120ms ease;
}

#canvas-view .canvas-node:hover .node-status-indicator,
#canvas-view .canvas-node.selected .node-status-indicator {
  opacity: 0;
}

#canvas-view .node-status-indicator[data-status="idle"] {
  background: var(--canvas-port-idle);
}

#canvas-view .node-status-indicator[data-status="generating"] {
  background: var(--canvas-text);
  box-shadow: 0 0 12px rgba(242, 247, 249, 0.62);
}

#canvas-view .canvas-node[data-execution-state="generating"] {
  border-color: rgba(242, 247, 249, 0.58);
  box-shadow: 0 0 0 1px rgba(242, 247, 249, 0.12), 0 0 28px rgba(242, 247, 249, 0.08);
}

#canvas-view .canvas-node[data-execution-state="done"] {
  border-color: rgba(170, 182, 193, 0.34);
}

#canvas-view .node-preview-area {
  min-height: 82px;
  background: var(--canvas-bg);
}

#canvas-view .canvas-node-media-loader .node-preview-area,
#canvas-view .canvas-node-media-preview .node-preview-area {
  min-height: 176px;
}

#canvas-view .media-loader-preview,
#canvas-view .media-preview-preview {
  min-height: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--canvas-bg);
}

#canvas-view .media-loader-preview img,
#canvas-view .media-loader-preview video,
#canvas-view .media-preview-preview img,
#canvas-view .media-preview-preview video {
  width: 100% !important;
  max-height: 280px;
  object-fit: contain;
}

/* 媒体节点直接贴合内容：标题与操作覆盖在媒体上，不再额外包一圈卡片。 */
#canvas-view .canvas-node-media-loader,
#canvas-view .canvas-node-media-preview,
#canvas-view .canvas-node-media-loader.selected,
#canvas-view .canvas-node-media-preview.selected {
  min-height: 0 !important;
  border: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

#canvas-view .canvas-node-media-loader .node-header,
#canvas-view .canvas-node-media-preview .node-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 5;
  color: var(--canvas-text);
  border-radius: var(--radius) var(--radius) 0 0;
  background: linear-gradient(180deg, rgba(8, 11, 15, 0.82), rgba(8, 11, 15, 0));
}

#canvas-view .canvas-node-media-loader > .node-preview-area,
#canvas-view .canvas-node-media-preview > .node-preview-area {
  position: relative;
  min-height: 0;
  margin: 0;
  border-radius: var(--radius);
  background: transparent;
}

#canvas-view .canvas-node-media-loader .media-loader-preview,
#canvas-view .canvas-node-media-preview .media-preview-preview {
  min-height: 0;
  border-radius: var(--radius);
  background: transparent;
}

#canvas-view .canvas-node-media-loader .media-loader-preview img,
#canvas-view .canvas-node-media-preview .media-preview-preview img {
  width: 100% !important;
  height: auto;
  max-height: none;
  border-radius: var(--radius);
  object-fit: contain;
}

#canvas-view .canvas-node-media-loader .media-loader-preview video,
#canvas-view .canvas-node-media-preview .media-preview-preview video {
  width: 100% !important;
  height: auto;
  max-height: none;
  border-radius: var(--radius);
  object-fit: contain;
}

#canvas-view .canvas-node-media-loader .media-preview-actions,
#canvas-view .canvas-node-media-preview .media-preview-actions {
  position: absolute;
  right: 8px;
  bottom: 8px;
  z-index: 5;
  padding: 0;
  background: transparent;
}

#canvas-view .canvas-node-media-loader .node-status-indicator,
#canvas-view .canvas-node-media-preview .node-status-indicator {
  display: none;
}

#canvas-view .node-output-state {
  min-height: 82px;
  background: var(--canvas-bg);
}

#canvas-view .canvas-zoom-slider {
  left: 18px;
  bottom: 18px;
  min-width: 0;
  height: 42px;
  padding: 5px;
  gap: 2px;
  border: 1px solid var(--canvas-line-strong);
  border-radius: 12px;
  background: rgba(17, 24, 32, 0.94);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.38);
}

#canvas-view .canvas-zoom-slider > button {
  width: 30px;
  height: 30px;
  padding: 0;
  border: 0;
  border-radius: 7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--canvas-muted);
  background: transparent;
  cursor: pointer;
}

#canvas-view .canvas-zoom-slider > button:hover {
  color: var(--canvas-text);
  background: var(--canvas-surface-soft);
}

#canvas-view .canvas-zoom-slider .zoom-value {
  width: 50px;
  color: var(--canvas-text);
  font: 680 0.68rem/1 "SFMono-Regular", Consolas, monospace;
}

#canvas-view .canvas-zoom-slider svg {
  width: 14px;
  height: 14px;
}

#canvas-view .zoom-fine-control {
  position: absolute;
  left: 35px;
  bottom: calc(100% + 8px);
  width: 154px;
  padding: 8px 10px;
  border: 1px solid var(--canvas-line-strong);
  border-radius: 10px;
  background: var(--canvas-surface);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.42);
}

#canvas-view .zoom-fine-control[hidden] {
  display: none;
}

#canvas-view .zoom-fine-control input[type="range"] {
  width: 100%;
  margin: 0;
}

.canvas-minimap {
  position: absolute;
  left: 18px;
  bottom: 72px;
  z-index: 21;
  width: 184px;
  height: 112px;
  padding: 7px;
  border: 1px solid var(--canvas-line-strong);
  border-radius: 12px 12px 4px 12px;
  display: none;
  background: rgba(17, 24, 32, 0.92);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.34);
  cursor: crosshair;
}

.canvas-minimap.is-visible:not(.is-user-hidden) {
  display: block;
}

.canvas-minimap canvas {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 7px;
  background: var(--canvas-bg);
}

.canvas-minimap span {
  position: absolute;
  left: 12px;
  top: 10px;
  color: var(--canvas-faint);
  font: 650 0.5rem/1 "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.14em;
  pointer-events: none;
}

#canvas-view.is-focus-mode .canvas-sidebar,
#canvas-view.is-focus-mode .canvas-inspector,
#canvas-view.is-focus-mode .canvas-flow-summary,
#canvas-view.is-focus-mode .canvas-command-actions > :not(.canvas-run-control):not(#canvas-focus-toggle),
#canvas-view.is-focus-mode .canvas-save-state,
#canvas-view.is-focus-mode .canvas-command-divider {
  display: none !important;
}

#canvas-view.is-focus-mode .canvas-command-bar {
  grid-template-columns: minmax(220px, 1fr) auto;
}

#canvas-view.is-focus-mode .canvas-command-actions {
  grid-column: 2;
}

#canvas-view.is-focus-mode .canvas-node .node-quick-tools,
#canvas-view.is-focus-mode .canvas-node .params-content,
#canvas-view.is-focus-mode .canvas-node .node-media-references {
  display: none !important;
}

#canvas-view.is-focus-mode .canvas-node {
  box-shadow: 0 20px 48px -24px rgba(0, 0, 0, 0.88);
}

@media (max-width: 1180px) {
  .canvas-command-bar {
    grid-template-columns: minmax(220px, 1fr) auto minmax(420px, 1fr);
  }
}

@media (max-width: 980px) {
  #canvas-view {
    --canvas-inspector-active-width: 0px;
  }

  .canvas-command-bar {
    grid-template-columns: minmax(210px, 1fr) auto;
  }

  #canvas-view .canvas-command-actions {
    grid-column: 2;
  }

  #canvas-inspector-toggle,
  #canvas-focus-toggle {
    display: none;
  }
}

@media (max-width: 720px) {
  .canvas-run-control .canvas-run-btn {
    min-width: 76px;
  }

  .canvas-run-menu {
    position: fixed;
    top: calc(var(--canvas-command-height) + 8px);
    right: 8px;
  }

  .canvas-empty-starters {
    grid-template-columns: 1fr;
  }

  .canvas-empty-starters button {
    min-height: 48px;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
  }

  .canvas-minimap {
    width: 142px;
    height: 88px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .canvas-inspector,
  .node-quick-tools,
  .canvas-empty-starters button {
    transition: none !important;
  }
}

/* ========== 画布项目管理中心 ========== */
body.canvas-project-browser-open {
  overflow: hidden;
}

.recent-projects-dialog,
.workbench-material-dialog,
.canvas-resource-dialog {
  --project-browser-overlay: rgba(0, 0, 0, 0.74);
  --project-browser-panel: var(--ui-surface-raised, #181a1d);
  --project-browser-panel-soft: var(--ui-surface, #111315);
  --project-browser-panel-hover: var(--ui-surface-hover, #202225);
  --project-browser-line: var(--ui-line, rgba(245, 245, 245, 0.1));
  --project-browser-line-strong: var(--ui-line-strong, rgba(245, 245, 245, 0.2));
  --project-browser-text: var(--ui-text, #f5f5f5);
  --project-browser-muted: var(--ui-text-secondary, #a3a3a3);
  --project-browser-faint: #717171;
  --project-browser-danger: var(--danger, #ff6f7d);
  --project-browser-danger-soft: rgba(255, 111, 125, 0.12);
  --project-browser-radius: var(--ui-radius-lg, 18px);
  --project-browser-card-radius: var(--ui-radius-md, 14px);
  --project-browser-control-radius: var(--ui-radius-sm, 10px);
  --project-browser-shadow: var(--glass-shadow, 0 18px 48px rgba(0, 0, 0, 0.34));
  --project-browser-dialog-width: min(92rem, calc(100vw - clamp(3rem, 8vw, 8rem)));
  --project-browser-dialog-height: min(48rem, calc(100vh - clamp(4rem, 10vh, 7rem)));
  --project-browser-space-1: 0.375rem;
  --project-browser-space-2: 0.625rem;
  --project-browser-space-3: 0.875rem;
  --project-browser-space-4: 1.125rem;
  --project-browser-space-5: 1.5rem;
  --project-browser-space-6: 2rem;
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  padding: var(--project-browser-space-5);
  background: var(--project-browser-overlay);
  opacity: 0;
  transition: opacity var(--transition, 0.2s ease-out);
}

.recent-projects-dialog.is-visible,
.workbench-material-dialog.is-visible,
.canvas-resource-dialog.is-visible {
  opacity: 1;
}

.canvas-project-browser {
  width: var(--project-browser-dialog-width);
  height: var(--project-browser-dialog-height);
  min-height: min(38rem, calc(100vh - 4rem));
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  overflow: hidden;
  color: var(--project-browser-text);
  border: 1px solid var(--project-browser-line-strong);
  border-radius: var(--project-browser-radius);
  background: var(--project-browser-panel);
  box-shadow: var(--project-browser-shadow);
  transform: translateY(0.75rem) scale(0.985);
  transition: transform var(--transition, 0.2s ease-out);
}

.recent-projects-dialog.is-visible .canvas-project-browser,
.workbench-material-dialog.is-visible .canvas-project-browser,
.canvas-resource-dialog.is-visible .canvas-project-browser {
  transform: translateY(0) scale(1);
}

.canvas-resource-browser {
  grid-template-rows: auto minmax(0, 1fr);
}

.canvas-resource-browser-content {
  min-height: 0;
  padding: var(--project-browser-space-4) var(--project-browser-space-6) var(--project-browser-space-5);
  overflow: hidden;
}

#canvas-material-library-dialog {
  height: 100%;
  min-height: 0;
}

.canvas-history-browser-content {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: var(--project-browser-space-4);
  overflow: hidden;
}

.canvas-history-browser-grid {
  min-height: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-content: start;
  gap: var(--project-browser-space-3);
  overflow-y: auto;
  scrollbar-gutter: stable;
}

.canvas-history-browser-grid .history-item {
  min-width: 0;
  min-height: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--project-browser-line);
  border-radius: var(--project-browser-card-radius);
  background: var(--project-browser-panel-soft);
}

.canvas-history-browser-grid .history-thumb,
.canvas-history-browser-grid .history-thumb-placeholder {
  grid-column: 1 / -1;
  width: 100%;
  height: 8.5rem;
  aspect-ratio: auto;
  border-radius: 0;
  object-fit: cover;
}

.canvas-history-browser-grid .history-info {
  min-width: 0;
  margin: 0;
  padding: var(--project-browser-space-3);
  color: var(--project-browser-text);
  font-size: 0.75rem;
  line-height: 1.45;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.canvas-history-browser-grid .canvas-history-material {
  width: 2rem;
  height: 2rem;
  margin: auto var(--project-browser-space-3) auto 0;
  display: inline-grid;
  place-items: center;
  color: var(--project-browser-muted);
  border: 1px solid var(--project-browser-line);
  border-radius: var(--project-browser-control-radius);
  background: var(--project-browser-panel);
}

.canvas-history-browser-grid .canvas-history-material svg {
  width: 0.9rem;
  height: 0.9rem;
}

.canvas-resource-dialog ~ .modal-overlay {
  z-index: 10060;
}

.canvas-history-pagination {
  margin: 0;
}

.canvas-project-browser-header {
  min-width: 0;
  padding: var(--project-browser-space-5) var(--project-browser-space-6) var(--project-browser-space-4);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--project-browser-space-5);
  border-bottom: 1px solid var(--project-browser-line);
}

.canvas-project-browser-header > div {
  min-width: 0;
}

.canvas-project-browser-eyebrow,
.canvas-project-delete-eyebrow {
  display: block;
  color: var(--project-browser-muted);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.14em;
}

.canvas-project-browser-header h2 {
  margin: var(--project-browser-space-1) 0 0;
  color: var(--project-browser-text);
  font-size: clamp(1.45rem, 2vw, 2rem);
  line-height: 1.1;
}

.canvas-project-browser-header p {
  margin: var(--project-browser-space-2) 0 0;
  color: var(--project-browser-muted);
  font-size: 0.82rem;
}

.recent-projects-close {
  width: 2.5rem;
  height: 2.5rem;
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  color: var(--project-browser-muted);
  border: 1px solid var(--project-browser-line);
  border-radius: var(--project-browser-control-radius);
  background: var(--project-browser-panel-soft);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.recent-projects-close:hover {
  color: var(--project-browser-text);
  border-color: var(--project-browser-line-strong);
  background: var(--project-browser-panel-hover);
}

.recent-projects-close svg,
.canvas-project-browser-controls svg,
.canvas-project-card-more svg,
.canvas-project-card-menu svg {
  width: 1rem;
  height: 1rem;
  stroke-width: 1.8;
}

.canvas-project-browser-toolbar {
  padding: var(--project-browser-space-4) var(--project-browser-space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--project-browser-space-5);
  border-bottom: 1px solid var(--project-browser-line);
  background: var(--project-browser-panel-soft);
}

.canvas-project-browser-scope {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: var(--project-browser-space-3);
}

.canvas-project-browser-scope strong {
  font-size: 0.9rem;
  white-space: nowrap;
}

.canvas-project-browser-scope span {
  color: var(--project-browser-faint);
  font-size: 0.72rem;
  white-space: nowrap;
}

.canvas-project-browser-controls {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--project-browser-space-2);
}

.canvas-project-browser-search {
  width: clamp(12rem, 21vw, 17rem);
  height: 2.5rem;
  padding: 0 var(--project-browser-space-3);
  display: flex;
  align-items: center;
  gap: var(--project-browser-space-2);
  color: var(--project-browser-faint);
  border: 1px solid var(--project-browser-line);
  border-radius: var(--project-browser-control-radius);
  background: var(--project-browser-panel);
  transition: color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.canvas-project-browser-search:focus-within {
  color: var(--project-browser-text);
  border-color: var(--project-browser-line-strong);
  box-shadow: 0 0 0 2px rgba(245, 245, 245, 0.08);
}

.recent-projects-dialog .canvas-project-browser-search input,
.recent-projects-dialog .canvas-project-browser-search input:hover,
.recent-projects-dialog .canvas-project-browser-search input:focus,
.recent-projects-dialog .canvas-project-browser-search input:focus-visible {
  flex: 1 1 0;
  min-width: 0;
  width: auto;
  min-height: 0;
  height: 100%;
  margin: 0;
  padding: 0;
  color: var(--project-browser-text);
  border: 0 !important;
  border-radius: 0;
  outline: 0 !important;
  box-shadow: none !important;
  background: transparent !important;
  font-size: 0.78rem;
  appearance: none;
}

.canvas-project-browser-search input::placeholder {
  color: var(--project-browser-faint);
}

.canvas-project-browser-sort {
  height: 2.5rem;
  min-width: 8.5rem;
  padding-left: var(--project-browser-space-3);
  display: flex;
  align-items: center;
  gap: var(--project-browser-space-2);
  color: var(--project-browser-faint);
  border: 1px solid var(--project-browser-line);
  border-radius: var(--project-browser-control-radius);
  background-color: var(--project-browser-panel);
  transition: color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.canvas-project-browser-sort:focus-within {
  color: var(--project-browser-text);
  border-color: var(--project-browser-line-strong);
  box-shadow: 0 0 0 2px rgba(245, 245, 245, 0.08);
}

.recent-projects-dialog .canvas-project-browser-sort select,
.recent-projects-dialog .canvas-project-browser-sort select:hover,
.recent-projects-dialog .canvas-project-browser-sort select:focus,
.recent-projects-dialog .canvas-project-browser-sort select:focus-visible {
  flex: 1 1 auto;
  width: auto;
  min-width: 0;
  min-height: 0;
  height: 100%;
  margin: 0;
  padding: 0 2rem 0 0;
  color: var(--project-browser-text);
  border: 0 !important;
  border-radius: 0;
  outline: 0 !important;
  box-shadow: none !important;
  background-color: transparent !important;
  font-size: 0.78rem;
  cursor: pointer;
}

.canvas-project-view-toggle {
  height: 2.5rem;
  padding: 0.2rem;
  display: flex;
  align-items: center;
  border: 1px solid var(--project-browser-line);
  border-radius: var(--project-browser-control-radius);
  background: var(--project-browser-panel);
}

.canvas-project-view-toggle button {
  width: 2rem;
  height: 2rem;
  display: inline-grid;
  place-items: center;
  color: var(--project-browser-faint);
  border: 0;
  border-radius: calc(var(--project-browser-control-radius) * 0.7);
  background: transparent;
  cursor: pointer;
}

.canvas-project-view-toggle button:hover,
.canvas-project-view-toggle button.is-active {
  color: var(--project-browser-text);
  background: var(--project-browser-panel-hover);
}

.canvas-project-batch-trigger,
.canvas-project-batch-controls button {
  min-height: 2.5rem;
  padding: 0 var(--project-browser-space-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--project-browser-space-2);
  color: var(--project-browser-muted);
  border: 1px solid var(--project-browser-line);
  border-radius: var(--project-browser-control-radius);
  background: var(--project-browser-panel);
  font-size: 0.72rem;
  white-space: nowrap;
  cursor: pointer;
}

.canvas-project-batch-trigger:hover,
.canvas-project-batch-controls button:hover:not(:disabled) {
  color: var(--project-browser-text);
  border-color: var(--project-browser-line-strong);
  background: var(--project-browser-panel-hover);
}

.canvas-project-browser-controls[hidden],
.canvas-project-batch-controls[hidden] {
  display: none;
}

.canvas-project-batch-controls {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--project-browser-space-2);
}

.canvas-project-batch-controls strong {
  margin-right: var(--project-browser-space-2);
  color: var(--project-browser-text);
  font-size: 0.78rem;
  white-space: nowrap;
}

.canvas-project-batch-controls button.is-danger {
  color: var(--project-browser-danger);
}

.canvas-project-batch-controls button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.canvas-project-browser-content {
  min-height: 0;
  overflow: auto;
  overscroll-behavior: contain;
  padding: var(--project-browser-space-5) var(--project-browser-space-6) var(--project-browser-space-6);
  scrollbar-color: var(--project-browser-line-strong) transparent;
}

.canvas-project-browser-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(13.75rem, 1fr));
  align-content: start;
  gap: var(--project-browser-space-4);
}

.canvas-project-new-card,
.canvas-project-card {
  min-width: 0;
  min-height: 17rem;
  border: 1px solid var(--project-browser-line);
  border-radius: var(--project-browser-card-radius);
  background: var(--project-browser-panel-soft);
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.canvas-project-new-card {
  padding: var(--project-browser-space-5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--project-browser-text);
  cursor: pointer;
}

.canvas-project-new-card > span {
  width: 3rem;
  height: 3rem;
  margin-bottom: var(--project-browser-space-3);
  display: grid;
  place-items: center;
  color: var(--brand-ink, #080b0f);
  border-radius: 50%;
  background: var(--primary, #f2f2f2);
}

.canvas-project-new-card svg {
  width: 1.25rem;
  height: 1.25rem;
  stroke-width: 2.2;
}

.canvas-project-new-card strong {
  font-size: 0.88rem;
}

.canvas-project-new-card small {
  margin-top: var(--project-browser-space-1);
  color: var(--project-browser-muted);
  font-size: 0.7rem;
}

.canvas-project-new-card:hover,
.canvas-project-card:hover,
.canvas-project-card:focus-within {
  border-color: var(--project-browser-line-strong);
  background: var(--project-browser-panel-hover);
  transform: translateY(-0.18rem);
}

.canvas-project-card {
  position: relative;
  overflow: visible;
}

.canvas-project-card.is-current {
  border-color: var(--project-browser-line-strong);
  box-shadow: inset 0 0 0 1px var(--project-browser-line);
}

.canvas-project-card.is-selecting {
  cursor: pointer;
}

.canvas-project-card.is-selected {
  border-color: var(--project-browser-text);
  box-shadow: inset 0 0 0 1px var(--project-browser-line-strong);
}

.canvas-project-card-open {
  width: 100%;
  height: 100%;
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  color: inherit;
  border: 0;
  border-radius: inherit;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.canvas-project-card-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--project-browser-line);
  border-radius: calc(var(--project-browser-card-radius) - 1px) calc(var(--project-browser-card-radius) - 1px) 0 0;
  background: var(--project-browser-panel);
}

.canvas-project-card-cover img,
.canvas-project-card-cover video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0;
  object-fit: cover;
  background: var(--project-browser-panel);
  transition: opacity var(--transition);
}

.canvas-project-card-cover.has-cover img,
.canvas-project-card-cover.has-cover video {
  opacity: 1;
}

.canvas-project-cover-empty {
  display: grid;
  place-items: center;
  gap: var(--project-browser-space-2);
  color: var(--project-browser-faint);
}

.canvas-project-cover-empty svg {
  width: 2rem;
  height: 2rem;
  stroke-width: 1.35;
}

.canvas-project-cover-empty small {
  font-size: 0.68rem;
}

.canvas-project-card-cover.is-unavailable .canvas-project-cover-empty small::after {
  content: " · 暂不可用";
}

.canvas-project-card-copy {
  min-width: 0;
  width: 100%;
  padding: var(--project-browser-space-3) 3rem var(--project-browser-space-3) var(--project-browser-space-3);
  display: block;
}

.canvas-project-card-copy strong,
.canvas-project-card-copy small,
.canvas-project-card-copy > span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.canvas-project-card-copy strong {
  color: var(--project-browser-text);
  font-size: 0.82rem;
  font-weight: 650;
}

.canvas-project-card-copy small,
.canvas-project-card-copy > span {
  margin-top: var(--project-browser-space-1);
  color: var(--project-browser-muted);
  font-size: 0.66rem;
}

.canvas-project-card-copy > span {
  color: var(--project-browser-faint);
}

.canvas-project-current-badge {
  position: absolute;
  top: var(--project-browser-space-3);
  left: var(--project-browser-space-3);
  z-index: 3;
  padding: var(--project-browser-space-1) var(--project-browser-space-2);
  color: var(--brand-ink, #080b0f);
  border-radius: 999px;
  background: var(--primary, #f2f2f2);
  font-size: 0.62rem;
  font-weight: 700;
}

.canvas-project-card-check {
  position: absolute;
  top: var(--project-browser-space-3);
  right: var(--project-browser-space-3);
  z-index: 5;
  width: 1.2rem !important;
  height: 1.2rem;
  min-height: 1.2rem !important;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0.3rem;
  box-shadow: 0 0 0 3px rgba(8, 11, 15, 0.45);
  accent-color: var(--primary, #f2f2f2);
  cursor: pointer;
}

.canvas-project-card-more {
  position: absolute;
  right: var(--project-browser-space-3);
  bottom: var(--project-browser-space-3);
  z-index: 4;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  color: var(--project-browser-muted);
  border: 1px solid transparent;
  border-radius: calc(var(--project-browser-control-radius) * 0.8);
  background: transparent;
  cursor: pointer;
}

.canvas-project-card-more:hover,
.canvas-project-card-more[aria-expanded="true"] {
  color: var(--project-browser-text);
  border-color: var(--project-browser-line);
  background: var(--project-browser-panel);
}

.canvas-project-card-menu {
  position: absolute;
  right: var(--project-browser-space-3);
  bottom: 3rem;
  z-index: 8;
  width: 9.5rem;
  padding: var(--project-browser-space-1);
  border: 1px solid var(--project-browser-line-strong);
  border-radius: var(--project-browser-control-radius);
  background: var(--project-browser-panel);
  box-shadow: var(--project-browser-shadow);
}

.canvas-project-card-menu[hidden] {
  display: none;
}

.canvas-project-card-menu button {
  width: 100%;
  min-height: 2.25rem;
  padding: 0 var(--project-browser-space-2);
  display: flex;
  align-items: center;
  gap: var(--project-browser-space-2);
  color: var(--project-browser-text);
  border: 0;
  border-radius: calc(var(--project-browser-control-radius) * 0.7);
  background: transparent;
  font-size: 0.72rem;
  text-align: left;
  cursor: pointer;
}

.canvas-project-card-menu button:hover,
.canvas-project-card-menu button:focus-visible {
  background: var(--project-browser-panel-hover);
}

.canvas-project-card-menu button.is-danger {
  color: var(--project-browser-danger);
}

.canvas-project-browser-grid.is-list {
  grid-template-columns: 1fr;
}

.canvas-project-browser-grid.is-list .canvas-project-new-card,
.canvas-project-browser-grid.is-list .canvas-project-card {
  min-height: 6.75rem;
}

.canvas-project-browser-grid.is-list .canvas-project-new-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  justify-content: start;
  align-content: center;
  column-gap: var(--project-browser-space-3);
  text-align: left;
}

.canvas-project-browser-grid.is-list .canvas-project-new-card > span {
  grid-row: 1 / 3;
  margin: 0;
}

.canvas-project-browser-grid.is-list .canvas-project-new-card small {
  margin: 0;
}

.canvas-project-browser-grid.is-list .canvas-project-card-open {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr);
  align-items: stretch;
}

.canvas-project-browser-grid.is-list .canvas-project-card-cover {
  height: 100%;
  aspect-ratio: auto;
  border-right: 1px solid var(--project-browser-line);
  border-bottom: 0;
  border-radius: calc(var(--project-browser-card-radius) - 1px) 0 0 calc(var(--project-browser-card-radius) - 1px);
}

.canvas-project-browser-grid.is-list .canvas-project-card-copy {
  align-self: center;
  padding-right: 4rem;
}

.canvas-project-browser-grid.is-list .canvas-project-current-badge {
  left: var(--project-browser-space-2);
  top: var(--project-browser-space-2);
}

.canvas-project-browser-empty {
  min-height: 17rem;
  padding: var(--project-browser-space-5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--project-browser-muted);
  border: 1px dashed var(--project-browser-line);
  border-radius: var(--project-browser-card-radius);
  text-align: center;
}

.canvas-project-browser-empty svg {
  width: 1.75rem;
  height: 1.75rem;
  margin-bottom: var(--project-browser-space-2);
}

.canvas-project-browser-empty strong {
  color: var(--project-browser-text);
  font-size: 0.82rem;
}

.canvas-project-browser-empty span {
  margin-top: var(--project-browser-space-1);
  font-size: 0.7rem;
}

.recent-projects-dialog button:focus-visible,
.recent-projects-dialog input:focus-visible,
.recent-projects-dialog select:focus-visible,
.canvas-project-delete-layer button:focus-visible {
  outline: 2px solid var(--project-browser-text, #f5f5f5);
  outline-offset: 2px;
}

.canvas-project-delete-layer {
  --project-browser-text: var(--ui-text, #f5f5f5);
  --project-browser-muted: var(--ui-text-secondary, #a3a3a3);
  --project-browser-line: var(--ui-line, rgba(245, 245, 245, 0.1));
  --project-browser-line-strong: var(--ui-line-strong, rgba(245, 245, 245, 0.2));
  --project-browser-panel: var(--ui-surface-raised, #181a1d);
  --project-browser-panel-soft: var(--ui-surface, #111315);
  --project-browser-danger: var(--danger, #ff6f7d);
  --project-browser-danger-soft: rgba(255, 111, 125, 0.12);
  --project-browser-control-radius: var(--ui-radius-sm, 10px);
  position: fixed;
  inset: 0;
  z-index: 10020;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.72);
  opacity: 0;
  transition: opacity var(--transition);
}

.canvas-project-delete-layer.is-visible {
  opacity: 1;
}

.canvas-project-delete-dialog {
  width: min(27rem, calc(100vw - 3rem));
  padding: 1.75rem;
  color: var(--project-browser-text);
  border: 1px solid var(--project-browser-line-strong);
  border-radius: var(--ui-radius-lg, 18px);
  background: var(--project-browser-panel);
  box-shadow: var(--glass-shadow);
}

.canvas-project-delete-icon {
  width: 2.75rem;
  height: 2.75rem;
  margin-bottom: 1rem;
  display: grid;
  place-items: center;
  color: var(--project-browser-danger);
  border-radius: var(--project-browser-control-radius);
  background: var(--project-browser-danger-soft);
}

.canvas-project-delete-icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.canvas-project-delete-dialog h2 {
  margin: 0.4rem 0 0;
  color: var(--project-browser-text);
  font-size: 1.1rem;
}

.canvas-project-delete-dialog p {
  margin: 0.65rem 0 0;
  color: var(--project-browser-muted);
  font-size: 0.78rem;
  line-height: 1.65;
}

.canvas-project-delete-dialog footer {
  margin-top: 1.25rem;
  display: flex;
  justify-content: flex-end;
  gap: 0.625rem;
}

.canvas-project-delete-dialog footer button {
  min-height: 2.4rem;
  padding: 0 1rem;
  border-radius: var(--project-browser-control-radius);
  font-size: 0.76rem;
  font-weight: 650;
  cursor: pointer;
}

.canvas-project-delete-cancel {
  color: var(--project-browser-text);
  border: 1px solid var(--project-browser-line);
  background: var(--project-browser-panel-soft);
}

.canvas-project-delete-submit {
  color: var(--project-browser-danger);
  border: 1px solid var(--project-browser-danger-soft);
  background: var(--project-browser-danger-soft);
}

@media (max-width: 820px) {
  .recent-projects-dialog,
  .workbench-material-dialog,
  .canvas-resource-dialog {
    --project-browser-dialog-width: calc(100vw - 1.5rem);
    --project-browser-dialog-height: calc(100vh - 1.5rem);
    padding: 0.75rem;
  }

  .canvas-project-browser {
    min-height: 0;
  }

  .canvas-project-browser-header,
  .canvas-project-browser-toolbar,
  .canvas-project-browser-content {
    padding-left: var(--project-browser-space-4);
    padding-right: var(--project-browser-space-4);
  }

  .canvas-project-browser-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .canvas-resource-browser-content {
    padding: var(--project-browser-space-4);
  }

  .canvas-history-browser-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .canvas-project-browser-controls {
    justify-content: stretch;
  }

  .canvas-project-batch-controls {
    justify-content: flex-start;
  }

  .canvas-project-browser-search {
    width: auto;
    flex: 1;
  }
}

@media (max-width: 560px) {
  .canvas-project-browser-header p,
  .canvas-project-browser-scope span {
    display: none;
  }

  .canvas-project-browser-controls {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
  }

  .canvas-project-browser-search {
    grid-column: 1 / -1;
  }

  .canvas-project-browser-sort {
    width: 100%;
  }

  .canvas-project-batch-controls {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto auto;
  }

  .canvas-project-batch-controls strong {
    margin-right: 0;
  }

  .canvas-project-browser-grid {
    grid-template-columns: 1fr;
  }
}

.project-name-dialog {
  --project-name-panel: var(--ui-surface-raised, #181a1d);
  --project-name-field: var(--ui-surface, #111315);
  --project-name-line: var(--ui-line, rgba(245, 245, 245, 0.1));
  --project-name-line-strong: var(--ui-line-strong, rgba(245, 245, 245, 0.2));
  --project-name-text: var(--ui-text, #f5f5f5);
  --project-name-muted: var(--ui-text-secondary, #a3a3a3);
  position: fixed;
  inset: 0;
  z-index: 10030;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.74);
}

.project-name-dialog-card {
  width: min(25rem, calc(100vw - 3rem));
  padding: 1.5rem;
  color: var(--project-name-text);
  border: 1px solid var(--project-name-line-strong);
  border-radius: var(--ui-radius-lg, 18px);
  background: var(--project-name-panel);
  box-shadow: var(--glass-shadow);
}

.project-name-dialog-eyebrow {
  display: block;
  color: var(--project-name-muted);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.14em;
}

.project-name-dialog-card h2 {
  margin: 0.4rem 0 1.25rem;
  color: var(--project-name-text);
  font-size: 1.1rem;
}

.project-name-dialog-card label,
.project-name-dialog-card label > span {
  display: block;
}

.project-name-dialog-card label > span {
  margin-bottom: 0.5rem;
  color: var(--project-name-muted);
  font-size: 0.72rem;
}

.project-name-dialog-card input {
  width: 100%;
  min-height: 2.75rem;
  padding: 0 0.75rem;
  box-sizing: border-box;
  color: var(--project-name-text);
  border: 1px solid var(--project-name-line);
  border-radius: var(--ui-radius-sm, 10px);
  outline: 0;
  background: var(--project-name-field);
  font-size: 0.84rem;
}

.project-name-dialog-card input:focus {
  border-color: var(--project-name-line-strong);
}

.project-name-dialog-card footer {
  margin-top: 1.25rem;
  display: flex;
  justify-content: flex-end;
  gap: 0.625rem;
}

.project-name-dialog-card button {
  min-height: 2.4rem;
  padding: 0 1rem;
  border-radius: var(--ui-radius-sm, 10px);
  font-size: 0.76rem;
  font-weight: 650;
  cursor: pointer;
}

.project-name-dialog-card .project-cancel-btn {
  color: var(--project-name-text);
  border: 1px solid var(--project-name-line);
  background: var(--project-name-field);
}

.project-name-dialog-card .project-save-btn {
  color: var(--brand-ink, #080b0f);
  border: 1px solid var(--primary, #f2f2f2);
  background: var(--primary, #f2f2f2);
}

@media (prefers-reduced-motion: reduce) {
  .recent-projects-dialog,
  .workbench-material-dialog,
  .canvas-resource-dialog,
  .canvas-project-browser,
  .canvas-project-delete-layer,
  .canvas-project-card,
  .canvas-project-new-card,
  .canvas-project-card-cover img,
  .canvas-project-card-cover video {
    transition-duration: 1ms !important;
  }
}

/* V10.1 位于文件末尾，确保内容节点规则不被历史兼容层覆盖。 */
#canvas-view .canvas-node {
  min-height: 132px;
  background: #15191e;
}

#canvas-view .canvas-node .node-header {
  height: 36px;
  padding: 0 10px;
  border-bottom: 0;
  background: transparent;
}

@media (max-width: 1180px) {
  #canvas-view {
    --canvas-inspector-width: 300px;
  }
}