.canvas-media-preview-nav:hover,
.canvas-media-preview-nav:focus-visible {
  outline: none;
  opacity: 1;
  border-color: rgba(255,255,255,0.24);
  background: rgba(39,40,45,0.76);
}

.canvas-media-preview-nav.is-prev {
  left: 22px;
}

.canvas-media-preview-nav.is-next {
  right: 22px;
}

.canvas-media-preview-counter {
  position: absolute;
  left: 50%;
  bottom: 20px;
  z-index: 3;
  min-width: 68px;
  height: 30px;
  display: grid;
  place-items: center;
  padding: 0 12px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  background: rgba(20,21,25,0.62);
  color: rgba(255,255,255,0.82);
  font-size: 13px;
  font-weight: 600;
  transform: translateX(-50%);
  pointer-events: none;
}

@keyframes canvasPreviewSlideForward {
  from {
    opacity: 0;
    translate: 34px 0;
  }
  to {
    opacity: 1;
    translate: 0 0;
  }
}

@keyframes canvasPreviewSlideBack {
  from {
    opacity: 0;
    translate: -34px 0;
  }
  to {
    opacity: 1;
    translate: 0 0;
  }
}

.canvas-toolbar-btn {
  flex: 0 0 auto;
  width: 40px;
  height: 38px;
}

.canvas-toolbar-btn.disabled {
  opacity: 0.36;
  pointer-events: none;
}

.canvas-toolbar-divider {
  flex: 0 0 auto;
  width: 1px;
  height: 28px;
  margin: 0 4px;
  background: rgba(255,255,255,0.1);
}

.canvas-sidebar-tools .canvas-toolbar-btn {
  width: 40px;
  height: 40px;
}

.canvas-sidebar-tools .canvas-toolbar-divider {
  width: 28px;
  height: 1px;
  margin: 3px 0;
}

.canvas-node-panel {
  position: absolute;
  z-index: 1;
  max-width: calc(100% - 32px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  background: rgba(31, 33, 39, 0.96);
  box-shadow: 0 22px 70px rgba(0,0,0,0.42);
  backdrop-filter: blur(18px);
  padding: 12px;
  transition:
    transform 0.14s ease,
    border-color 0.18s ease,
    background 0.22s ease,
    box-shadow 0.18s ease;
}

.canvas-node-panel:hover,
.canvas-node-panel:focus-within {
  border-color: rgba(125,211,252,0.26);
  background:
    linear-gradient(145deg, rgba(35, 39, 48, 0.97), rgba(29, 31, 38, 0.96)),
    radial-gradient(circle at 12% 0%, rgba(56,189,248,0.1), transparent 36%),
    radial-gradient(circle at 88% 100%, rgba(250,204,21,0.06), transparent 34%);
  box-shadow:
    0 24px 74px rgba(0,0,0,0.44),
    0 0 0 1px rgba(125,211,252,0.055),
    inset 0 1px 0 rgba(255,255,255,0.08);
}

.canvas-node-panel.is-closing {
  pointer-events: none;
  animation: canvasPanelOut 0.18s ease both;
}

@keyframes canvasPanelOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

.canvas-node-menu {
  position: absolute;
  z-index: 60;
  width: 196px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  background: rgba(19, 21, 28, 0.96);
  box-shadow: 0 18px 46px rgba(0,0,0,0.4);
  backdrop-filter: blur(18px);
  padding: 10px;
}

.canvas-node-menu-title {
  margin-bottom: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 12px;
  font-weight: 800;
}

/* ---- 左侧节点栏（单一"节点"图标，点击向右展开添加节点列表） ----
   面板复用 .canvas-node-menu 的视觉体系（材质 / 图标块 / 文字 / 动效，见
   theme.css、tapnow-theme-*.css），这里只补充左侧栏定位与兜底入场动画。 */
.canvas-node-rail-anchor {
  position: relative;
  flex: 0 0 auto;
  display: flex;
}

/* 触发器的 .active 高亮由主题样式（.canvas-toolbar-btn.active）提供。 */
.canvas-node-rail-anchor.is-open .canvas-node-rail-trigger[data-tooltip]:hover::after {
  display: none;
}

.canvas-node-rail {
  left: calc(100% + 10px);
  top: 0;
  z-index: 61;
  animation: canvasNodeRailIn 0.14s ease;
}

@keyframes canvasNodeRailIn {
  from {
    opacity: 0;
    transform: translateX(-8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

.canvas-node-menu button {
  width: 100%;
  min-height: 36px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
  padding: 0 10px;
  border: 0;
  border-radius: 6px;
  background: rgba(255,255,255,0.05);
  color: #fff;
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.canvas-node-menu button:hover {
  background: rgba(255,255,255,0.1);
}

.canvas-node-menu button span {
  width: 20px;
  display: inline-flex;
  justify-content: center;
  color: rgba(56,189,248,0.9);
  font-weight: 900;
}

.canvas-node-menu button b {
  font-weight: 800;
}

.canvas-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.canvas-panel-head input,
.canvas-panel-title-input {
  min-width: 0;
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,0.16);
  background: transparent;
  color: #fff;
  outline: none;
  font: inherit;
  font-weight: 800;
  padding: 6px 0;
}

.canvas-panel-head button,
.canvas-panel-bottom button,
.canvas-context-actions button {
  min-height: 34px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  background: rgba(255,255,255,0.06);
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  padding: 0 10px;
}

.canvas-panel-title-input {
  width: 100%;
  margin-bottom: 8px;
}

.canvas-panel-prompt {
  width: 100%;
  min-height: 92px;
  max-height: 220px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  background: rgba(0,0,0,0.18);
  color: rgba(255,255,255,0.88);
  outline: none;
  resize: none;
  overflow-x: hidden;
  overflow-y: auto;
  font: inherit;
  line-height: 1.55;
  padding: 10px 8px 10px 12px;
  transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.canvas-panel-prompt:focus {
  border-color: rgba(56,189,248,0.42);
  background: rgba(4,12,20,0.3);
  box-shadow: inset 0 0 0 1px rgba(56,189,248,0.12);
}

.canvas-panel-prompt.is-locked,
.canvas-node-panel .media-mention-editor.is-disabled {
  cursor: not-allowed;
  border-color: rgba(56,189,248,0.18);
  background: rgba(56,189,248,0.06);
  color: rgba(255,255,255,0.62);
}

/* ---- 文本节点模型菜单（composer 卡的子级，父子跟随缩放） ----
   菜单与背板渲染在 .canvas-text-ai-card 内部：卡片在缩放后的 stage 里，
   它的可读性缩放 --text-ai-card-scale 对菜单同样生效，画布缩放/平移、
   卡片随内容增高时，菜单都跟着卡片的位置和缩放一起走，无需屏幕锚点。
   背板是覆盖整个可见视口的大尺寸板（stage 带 transform，其内部的
   fixed 会退化为相对 stage 定位），任意位置点击画布即关闭菜单。 */
.canvas-text-ai-menu-backdrop {
  position: absolute;
  left: -100000px;
  top: -100000px;
  width: 300000px;
  height: 300000px;
  z-index: 10;
  pointer-events: auto;
}

.canvas-text-ai-menu {
  position: absolute;
  left: 12px;
  top: calc(100% + 8px);
  z-index: 11;
  min-width: 230px;
  max-width: 320px;
  display: grid;
  gap: 4px;
  padding: 8px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  background: rgba(19, 21, 28, 0.94);
  box-shadow: 0 18px 44px rgba(0,0,0,0.4);
  backdrop-filter: blur(16px);
  pointer-events: auto;
}

.canvas-text-ai-menu-title {
  padding: 2px 6px 4px;
  color: rgba(255,255,255,0.45);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.canvas-text-ai-menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  text-align: left;
  cursor: pointer;
  transition: background 0.14s ease;
}

.canvas-text-ai-menu-item:hover {
  background: rgba(255,255,255,0.08);
}

.canvas-text-ai-menu-item.is-active {
  background: rgba(56,189,248,0.14);
}

.canvas-text-ai-menu-item-provider {
  padding: 1px 6px;
  border-radius: 5px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.55);
  font-size: 10px;
  font-weight: 700;
}

/* 模型徽标（Provider 声明的 logo svg，与创作页 .model-option-logo 同款花瓣
   图标；llm-relay 用它替代 provider 角标）：stroke=currentColor 跟随菜单项文字色。 */
.canvas-text-ai-menu-item-logo {
  width: 16px;
  height: 16px;
  display: inline-flex;
  flex: 0 0 auto;
}

.canvas-text-ai-menu-item-logo svg {
  width: 100%;
  height: 100%;
  display: block;
}

.canvas-text-ai-menu-item-label {
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.canvas-text-ai-menu-item-check {
  color: #7dd3fc;
  font-weight: 900;
}

.canvas-text-ai-menu-empty {
  padding: 8px 10px 10px;
  color: rgba(255,255,255,0.78);
  font-size: 13px;
  line-height: 1.6;
}

.canvas-text-ai-menu-empty span {
  color: rgba(255,255,255,0.42);
  font-size: 11px;
}