/* ai_tool_timeline.css — AI 生成任务事件时间轴弹窗（video_workflow / storyboard 复用）。
   依赖页面 CSS 变量 --border/--muted/--text/--bg（两页 :root 均有定义，含暗色主题）。 */

.ai-timeline-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 12000;
}

.ai-timeline-modal {
  width: min(720px, 92vw);
  max-height: 82vh;
  display: flex;
  flex-direction: column;
  background: var(--bg, #fff);
  color: var(--text, #1a1a1a);
  border: 1px solid var(--border, #e0e0e0);
  border-radius: 10px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
  overflow: hidden;
}

.ai-timeline-header {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--border, #e0e0e0);
}

.ai-timeline-title {
  font-size: 15px;
  font-weight: 600;
}

.ai-timeline-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
}

.ai-timeline-tab {
  border: 1px solid var(--border, #e0e0e0);
  background: transparent;
  color: var(--muted, #666);
  border-radius: 12px;
  padding: 2px 10px;
  font-size: 12px;
  cursor: pointer;
}

.ai-timeline-tab.is-active {
  color: var(--text, #1a1a1a);
  border-color: var(--text, #1a1a1a);
  font-weight: 600;
}

.ai-timeline-actions {
  display: flex;
  gap: 8px;
}

.ai-timeline-refresh,
.ai-timeline-close {
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--muted, #666);
  font-size: 13px;
  padding: 2px 6px;
  border-radius: 4px;
}

.ai-timeline-refresh:hover,
.ai-timeline-close:hover {
  background: var(--border, #e0e0e0);
  color: var(--text, #1a1a1a);
}

.ai-timeline-close {
  font-size: 20px;
  line-height: 1;
}

.ai-timeline-status {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 10px 16px;
  font-size: 12px;
  color: var(--muted, #666);
  border-bottom: 1px solid var(--border, #e0e0e0);
}

.ai-timeline-badge {
  display: inline-block;
  padding: 1px 10px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 12px;
  background: var(--border, #e0e0e0);
  color: var(--text, #1a1a1a);
}

.ai-timeline-badge.is-running { background: #dbeafe; color: #1d4ed8; }
.ai-timeline-badge.is-pending { background: #fef3c7; color: #b45309; }
.ai-timeline-badge.is-done { background: #dcfce7; color: #15803d; }
.ai-timeline-badge.is-failed { background: #fee2e2; color: #b91c1c; }

.ai-timeline-auto-hint {
  font-size: 11px;
  color: var(--muted, #666);
}

.ai-timeline-body {
  overflow-y: auto;
  padding: 4px 16px 14px;
}

.ai-timeline-empty {
  text-align: center;
  padding: 30px 0;
  color: var(--muted, #666);
  font-size: 13px;
}

.ai-timeline-error {
  color: #e53935;
}

.ai-timeline-item {
  display: flex;
  gap: 10px;
  padding: 10px 2px;
  border-bottom: 1px solid var(--border, #e0e0e0);
}

.ai-timeline-item:last-child {
  border-bottom: none;
}

.ai-timeline-item-time {
  width: 96px;
  flex-shrink: 0;
  font-size: 12px;
  font-family: Consolas, Menlo, monospace;
  color: var(--muted, #666);
}

.ai-timeline-item-main {
  flex: 1;
  min-width: 0;
}

.ai-timeline-item-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.ai-timeline-item-label {
  font-size: 12px;
  font-weight: 600;
  background: var(--border, #e0e0e0);
  color: var(--text, #1a1a1a);
  padding: 1px 8px;
  border-radius: 10px;
  white-space: nowrap;
}

.ai-timeline-item-msg {
  font-size: 13px;
  color: var(--text, #1a1a1a);
  word-break: break-word;
}

.ai-timeline-item-duration {
  font-size: 11px;
  color: var(--muted, #666);
  white-space: nowrap;
}

.ai-timeline-item-detail {
  margin-top: 4px;
}

.ai-timeline-item-detail a {
  font-size: 11px;
  color: var(--muted, #666);
}

.ai-timeline-item-pre {
  margin: 4px 0 0;
  font-size: 11px;
  background: var(--border, #e0e0e0);
  color: var(--text, #1a1a1a);
  padding: 8px;
  border-radius: 4px;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 240px;
  overflow: auto;
}

/* ---- 节点 / 候选卡内的「状态」入口按钮 ---- */

.ai-task-timeline-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--border, #e0e0e0);
  background: transparent;
  color: var(--muted, #666);
  border-radius: 10px;
  padding: 1px 10px;
  font-size: 12px;
  line-height: 1.6;
  cursor: pointer;
  white-space: nowrap;
}

.ai-task-timeline-btn:hover {
  color: var(--text, #1a1a1a);
  border-color: var(--text, #1a1a1a);
}

/* video_workflow 视频节点状态行内的按钮 */
.video-status-field .ai-task-timeline-btn {
  margin-left: 8px;
}

.video-status-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

/* video_workflow 图片结果节点「生成中」占位（含状态按钮） */
.image-generating-placeholder {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px dashed var(--border, #e0e0e0);
  border-radius: 6px;
  font-size: 12px;
  color: var(--muted, #666);
  background: rgba(0, 0, 0, 0.02);
}

.image-generating-placeholder.is-failed {
  border-style: solid;
  border-color: #fcc;
  background: #fee;
  color: #c33;
}

.image-generating-spinner {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  border: 2px solid var(--border, #e0e0e0);
  border-top-color: #3b82f6;
  border-radius: 50%;
  animation: ai-timeline-spin 0.9s linear infinite;
}

.image-generating-placeholder.is-failed .image-generating-spinner {
  display: none;
}

@keyframes ai-timeline-spin {
  to { transform: rotate(360deg); }
}

/* storyboard 候选卡「状态」角标：20px 圆形图标按钮，与删除（右上）、播放（居中）
   角标统一尺寸，固定左上角。背景：右栏是 ~104px 窄条（见 storyboard.css .main-layout
   注释），候选卡仅约 84×47px，文字 pill 原底部定位会与居中播放徽标重叠。
   生成中/失败候选卡整体是 .candidate-thumb.is-loading { pointer-events: none }
   （禁止点击选中），按钮必须显式恢复 auto 才能点（同 .candidate-delete-button 模式），
   点击由 ai_tool_timeline.js 捕获阶段委托处理并 stopPropagation，不会误触发选中。 */
.candidate-timeline-icon {
  position: absolute;
  top: 4px;
  left: 4px;
  z-index: 5;
  width: 20px;
  height: 20px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.72);
  color: #fff;
  cursor: pointer;
  pointer-events: auto;
}

.candidate-timeline-icon .sb-icon {
  width: 11px !important;
  height: 11px !important;
  margin: 0;
}

/* 覆盖 .ai-task-timeline-btn 基类 hover（color/border 切深文字色） */
.candidate-timeline-icon:hover,
.candidate-timeline-icon:focus-visible {
  background: rgba(47, 109, 246, 0.9);
  border-color: #fff;
  color: #fff;
}

/* 已完成候选卡：与删除角标一致，默认隐藏、hover/触屏显现（无 aiToolId 的上传资产不渲染） */
.candidate-status-button {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.15s ease, transform 0.15s ease, background 0.15s ease;
}

.candidate-thumb:hover .candidate-status-button,
.candidate-status-button:focus-visible {
  opacity: 1;
  transform: scale(1);
}

/* 生成中/失败占位卡：状态入口是该卡主操作，常显（原文字 pill 也是常显） */
.candidate-placeholder .candidate-timeline-icon {
  opacity: 1;
  transform: scale(1);
}

/* 触屏无 hover：已完成卡角标与删除角标一致常显，避免「看不到」 */
@media (hover: none) {
  .candidate-status-button {
    opacity: 1;
    transform: scale(1);
  }
}