/**
 * 剪辑计划编辑器 - V21 设计系统样式
 * 三栏布局：素材面板 / 时间线 / 片段属性
 * 统一使用 CSS 变量，支持深色/浅色主题
 */
@import "../../styles/global.css";

/* ============================================================
   页面容器
   ============================================================ */
.ep-page {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--bg-secondary);
}

/* ── 顶部工具栏 ─────────────────────────────────────────────── */
.ep-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.ep-toolbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.ep-toolbar-center {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.ep-toolbar-template-name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
  padding: 4px 12px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
}

.ep-toolbar-plan-badge {
  font-size: 12px;
  font-weight: 600;
  color: var(--success-color);
  background: var(--success-soft);
  border: 1px solid var(--success-border);
  padding: 2px 8px;
  border-radius: 999px;
}

.ep-toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* ── 模式切换 — 圆角胶囊样式 ────────────────────────────────── */
.ep-mode-switch {
  display: flex;
  gap: 6px;
  padding: 4px;
  background: var(--bg-secondary);
  border-radius: 999px;
  border: 1px solid var(--border-color);
}

.ep-mode-btn {
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-all);
  white-space: nowrap;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 4px;
  line-height: 1.4;
}

.ep-mode-btn:hover {
  color: var(--primary-color);
  background: var(--primary-soft);
}

.ep-mode-btn.active {
  background: var(--primary-soft);
  border-color: var(--primary-color);
  color: var(--primary-color);
  font-weight: 600;
}

/* ============================================================
   三栏主体布局
   ============================================================ */
.ep-body {
  display: flex;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}

/* ── 左侧素材面板 ───────────────────────────────────────────── */
.ep-left {
  width: 280px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-primary);
  border-right: 1px solid var(--border-color);
  overflow: hidden;
}

/* Tab 切换 */
.ep-left-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.ep-left-tab {
  flex: 1;
  padding: 10px 12px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-all);
  text-align: center;
  position: relative;
}

.ep-left-tab:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.ep-left-tab.active {
  color: var(--primary-color);
  font-weight: 600;
}

.ep-left-tab.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--primary-color);
  border-radius: 2px 2px 0 0;
}

.ep-left-header {
  padding: var(--space-md);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.ep-left-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-sm);
}

.ep-left-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl) var(--space-md);
  text-align: center;
  color: var(--text-secondary);
}

.ep-left-empty-icon {
  font-size: 40px;
  margin-bottom: var(--space-sm);
  opacity: 0.5;
}

.ep-left-empty p {
  margin: 0;
  font-size: var(--font-size-sm);
}

/* 模板卡片 */
.ep-template-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px;
  margin-bottom: var(--space-sm);
  cursor: pointer;
  transition: var(--transition-all);
}

.ep-template-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.ep-template-card.selected {
  border-color: var(--primary-color);
  background: var(--primary-soft);
}

.ep-template-card-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 6px;
}

.ep-template-card-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.ep-template-card-meta {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 6px;
}

/* 素材卡片（可拖拽） */
.ep-asset-card {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  margin-bottom: var(--space-sm);
  cursor: grab;
  transition: var(--transition-all);
  user-select: none;
}

.ep-asset-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.ep-asset-card:active {
  cursor: grabbing;
  opacity: 0.7;
}

.ep-asset-card-icon {
  font-size: 24px;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
}

.ep-asset-card-info {
  flex: 1;
  min-width: 0;
}

.ep-asset-card-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ep-asset-card-meta {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.ep-asset-card-tags {
  display: inline-flex;
  gap: 3px;
}

.ep-asset-card-tag {
  padding: 1px 4px;
  background: var(--bg-secondary);
  border-radius: 3px;
  font-size: 10px;
}

.ep-asset-card-drag-hint {
  color: var(--text-secondary);
  font-size: 16px;
  opacity: 0.4;
  flex-shrink: 0;
  transition: var(--transition-all);
}

.ep-asset-card:hover .ep-asset-card-drag-hint {
  opacity: 0.8;
}

.ep-left-footer {
  padding: var(--space-sm) var(--space-md);
  border-top: 1px solid var(--border-color);
  flex-shrink: 0;
}

.ep-new-template-btn {
  width: 100%;
  padding: 8px;
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: var(--transition-all);
}

.ep-new-template-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background: var(--primary-soft);
}

/* 素材 Tab — AssetSelector 容器 */
.ep-left-media {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

.ep-left-media-footer {
  padding: var(--space-sm) var(--space-md);
  border-top: 1px solid var(--border-color);
  flex-shrink: 0;
}

/* ── 中间时间线 ──────────────────────────────────────────────── */
.ep-center {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
  background: var(--bg-primary);
}

/* 可视化时长条 */
.ep-timeline-bar {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.ep-timeline-bar-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.ep-timeline-bar-duration {
  font-weight: 400;
  color: var(--text-secondary);
  font-size: 12px;
}

.ep-timeline-bar-track {
  display: flex;
  height: 28px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  overflow: hidden;
  gap: 2px;
}

.ep-timeline-bar-segment {
  height: 100%;
  border-radius: 3px;
  transition: var(--transition-all);
  min-width: 8px;
  position: relative;
}

.ep-timeline-bar-segment:hover {
  opacity: 0.85;
  transform: scaleY(1.1);
}

.ep-timeline-bar-empty {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 12px;
  opacity: 0.6;
}

/* 时间线头部 */
.ep-timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  flex-shrink: 0;
}

.ep-timeline-header h3 {
  margin: 0;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

/* 片段列表 */
.ep-timeline-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 var(--space-lg) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* 空状态拖放区 */
.ep-timeline-empty-drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  text-align: center;
  color: var(--text-secondary);
  transition: var(--transition-all);
  min-height: 120px;
}

.ep-timeline-empty-drop.active {
  border-color: var(--primary-color);
  background: var(--primary-soft);
  color: var(--primary-color);
}

.ep-timeline-empty-drop .ep-timeline-empty-icon {
  font-size: 40px;
  margin-bottom: var(--space-sm);
  opacity: 0.5;
}

.ep-timeline-empty-drop p {
  margin: 0 0 4px;
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.ep-timeline-empty-drop span {
  font-size: 12px;
  opacity: 0.7;
}

/* 拖放指示器 */
.ep-timeline-drop-indicator {
  height: 3px;
  background: var(--primary-color);
  border-radius: 2px;
  margin: -2px 0;
  animation: ep-drop-pulse 0.6s ease infinite alternate;
}

@keyframes ep-drop-pulse {
  from { opacity: 0.6; }
  to { opacity: 1; }
}

/* 片段卡片 */
.ep-clip-card {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  cursor: pointer;
  transition: var(--transition-all);
  user-select: none;
}

.ep-clip-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.ep-clip-card.selected {
  border-color: var(--primary-color);
  background: var(--primary-soft);
  box-shadow: 0 0 0 1px var(--primary-color);
}

.ep-clip-card.drag-over {
  border-color: var(--primary-color);
  border-style: dashed;
  background: var(--primary-soft);
}

.ep-clip-card[draggable="true"]:active {
  opacity: 0.6;
}

.ep-clip-drag {
  cursor: grab;
  color: var(--text-secondary);
  font-size: 16px;
  user-select: none;
  flex-shrink: 0;
  opacity: 0.5;
  transition: var(--transition-all);
}

.ep-clip-card:hover .ep-clip-drag {
  opacity: 1;
}

.ep-clip-drag:active {
  cursor: grabbing;
}

.ep-clip-index {
  width: 26px;
  height: 26px;
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ep-clip-info {
  flex: 1;
  min-width: 0;
}

.ep-clip-info-top {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.ep-clip-type-icon {
  font-size: 14px;
  flex-shrink: 0;
}

.ep-clip-script {
  font-size: 13px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.ep-clip-script-empty {
  color: var(--text-secondary);
  font-style: italic;
  opacity: 0.6;
}

.ep-clip-info-bottom {
  display: flex;
  align-items: center;
  gap: 6px;
}

.ep-clip-duration-bar {
  flex: 1;
  height: 4px;
  background: var(--bg-secondary);
  border-radius: 2px;
  overflow: hidden;
  max-width: 100px;
}

.ep-clip-duration-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.2s ease;
}

.ep-clip-duration-text {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 600;
  white-space: nowrap;
}

.ep-clip-asset-badge {
  font-size: 12px;
  opacity: 0.7;
}

.ep-clip-transition-badge {
  font-size: 10px;
  color: var(--primary-color);
  background: var(--primary-soft);
  padding: 1px 6px;
  border-radius: 999px;
  white-space: nowrap;
}

.ep-clip-actions {
  flex-shrink: 0;
}

.ep-clip-action-btn {
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-all);
  opacity: 0;
}

.ep-clip-card:hover .ep-clip-action-btn {
  opacity: 1;
}

.ep-clip-action-btn:hover {
  background: var(--error-soft);
  color: var(--error-color);
}

/* ============================================================
   右侧片段属性面板
   ============================================================ */
.ep-right {
  width: 300px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-primary);
  border-left: 1px solid var(--border-color);
  overflow-y: auto;
}

.ep-right-section {
  padding: var(--space-md);
  border-bottom: 1px solid var(--border-color);
}

.ep-right-section:last-child {
  border-bottom: none;
}

.ep-right-section h3 {
  margin: 0 0 var(--space-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

/* 空状态 */
.ep-clip-props-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  text-align: center;
  color: var(--text-secondary);
  flex: 1;
}

.ep-clip-props-empty-icon {
  font-size: 48px;
  margin-bottom: var(--space-md);
  opacity: 0.4;
}

.ep-clip-props-empty h3 {
  margin: 0 0 4px;
  font-size: var(--font-size-base);
  color: var(--text-primary);
}

.ep-clip-props-empty p {
  margin: 0;
  font-size: var(--font-size-sm);
}

.ep-clip-props-summary {
  margin-top: var(--space-lg);
  display: flex;
  gap: var(--space-lg);
}

.ep-clip-props-summary-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.ep-clip-props-summary-label {
  font-size: 12px;
  color: var(--text-secondary);
}

.ep-clip-props-summary-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

/* 片段信息头 */
.ep-clip-props-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.ep-clip-props-header-icon {
  font-size: 28px;
}

.ep-clip-props-header h3 {
  margin: 0 0 2px;
  font-size: var(--font-size-base);
}

.ep-clip-props-header-type {
  font-size: 12px;
  color: var(--text-secondary);
}

/* 字段 */
.ep-clip-props-field {
  margin-bottom: var(--space-sm);
}

.ep-clip-props-field:last-child {
  margin-bottom: 0;
}

.ep-clip-props-field-hint {
  font-size: 11px;
  color: var(--text-secondary);
  text-align: right;
  margin-top: 4px;
}

.ep-clip-props-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: 6px;
}

/* 文案文本框 */
.ep-clip-props-textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-family: inherit;
  resize: vertical;
  transition: var(--transition-all);
  line-height: 1.5;
}

.ep-clip-props-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px var(--primary-soft);
}

.ep-clip-props-textarea::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

/* 时长控制 */
.ep-clip-props-duration-control {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.ep-clip-props-range {
  flex: 1;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--bg-secondary);
  border-radius: 2px;
  outline: none;
}

.ep-clip-props-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: pointer;
  border: 2px solid var(--bg-primary);
  box-shadow: var(--shadow-sm);
}

.ep-clip-props-range::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: pointer;
  border: 2px solid var(--bg-primary);
  box-shadow: var(--shadow-sm);
}

.ep-clip-props-duration-value {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  min-width: 36px;
  text-align: right;
}

/* 转场效果网格 */
.ep-clip-props-transition-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.ep-clip-props-transition-btn {
  padding: 6px 8px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition-all);
  text-align: center;
}

.ep-clip-props-transition-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.ep-clip-props-transition-btn.active {
  background: var(--primary-soft);
  border-color: var(--primary-color);
  color: var(--primary-color);
  font-weight: 600;
}

/* 关联素材 */
.ep-clip-props-asset-linked {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px 12px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.ep-clip-props-asset-icon {
  font-size: 20px;
}

.ep-clip-props-asset-name {
  flex: 1;
  font-size: 13px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ep-clip-props-asset-unlink {
  width: 20px;
  height: 20px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: var(--transition-all);
}

.ep-clip-props-asset-unlink:hover {
  background: var(--error-soft);
  color: var(--error-color);
}

.ep-clip-props-asset-empty {
  padding: 12px;
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border-color);
}

.ep-clip-props-asset-empty p {
  margin: 0;
}

/* ============================================================
   保存 / 生成弹窗
   ============================================================ */
.ep-modal-field {
  margin-bottom: var(--space-md);
}

.ep-modal-field:last-child {
  margin-bottom: 0;
}

.ep-modal-field label {
  display: block;
  margin-bottom: 6px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.ep-modal-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 14px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.ep-modal-info strong {
  color: var(--text-primary);
}

/* ============================================================
   简易 Toast 提示
   ============================================================ */
.ep-toast {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  padding: 10px 24px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  z-index: 1000;
  animation: ep-toast-in 0.3s ease;
  pointer-events: none;
  box-shadow: var(--shadow-md);
}

.ep-toast--success {
  background: var(--success-soft);
  color: var(--success-color);
  border: 1px solid var(--success-border);
}

.ep-toast--error {
  background: var(--error-soft);
  color: var(--error-color);
  border: 1px solid var(--error-border);
}

.ep-toast--warning {
  background: var(--warning-soft);
  color: var(--warning-color);
  border: 1px solid var(--warning-border);
}

@keyframes ep-toast-in {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1200px) {
  .ep-right {
    width: 260px;
  }

  .ep-left {
    width: 240px;
  }
}

@media (max-width: 900px) {
  .ep-body {
    flex-direction: column;
  }

  .ep-left,
  .ep-right {
    width: 100%;
    max-height: 220px;
    border-right: none;
    border-left: none;
    border-bottom: 1px solid var(--border-color);
  }

  .ep-right {
    border-bottom: none;
    border-top: 1px solid var(--border-color);
  }

  .ep-toolbar {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }

  .ep-mode-switch {
    order: 3;
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .ep-left,
  .ep-right {
    max-height: 180px;
  }

  .ep-timeline-bar {
    padding: var(--space-sm) var(--space-md);
  }

  .ep-timeline-header {
    padding: var(--space-sm) var(--space-md);
  }

  .ep-timeline-list {
    padding: 0 var(--space-md) var(--space-md);
  }

  .ep-clip-props-transition-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .ep-toolbar {
    padding: var(--space-sm) var(--space-md);
  }

  .ep-mode-btn {
    padding: 4px 12px;
    font-size: var(--font-size-xs);
  }

  .ep-clip-card {
    padding: 8px 10px;
    gap: 6px;
  }

  .ep-asset-card {
    padding: 8px 10px;
  }
}

/* ============================================================
   生成进度弹窗 — 任务 2.17
   ============================================================ */

/* ── setup 阶段 ─────────────────────────────────────────────── */

.ep-gen-setup {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.ep-gen-field-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: -4px;
}

.ep-gen-estimate {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  padding: 8px 12px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
}

.ep-gen-estimate strong {
  color: var(--primary-color);
  font-weight: 600;
}

/* ── progress 阶段 ──────────────────────────────────────────── */

.ep-gen-progress {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
}

.ep-gen-progress-ring-wrap {
  position: relative;
  width: 120px;
  height: 120px;
}

.ep-gen-progress-ring {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.ep-gen-progress-ring-bg {
  fill: none;
  stroke: var(--border-color);
  stroke-width: 8;
}

.ep-gen-progress-ring-fill {
  fill: none;
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.5s ease, stroke 0.3s ease;
}

.ep-gen-progress-pct {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 24px;
  font-weight: 700;
  font-family: var(--font-mono, monospace);
}

.ep-gen-step-text {
  font-size: var(--font-size-base);
  color: var(--text-primary);
  font-weight: 500;
  text-align: center;
}

.ep-gen-progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-secondary);
  border-radius: 3px;
  overflow: hidden;
}

.ep-gen-progress-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.5s ease, background-color 0.3s ease;
}

.ep-gen-task-id {
  font-size: var(--font-size-xs);
  color: var(--text-muted, #9ca3af);
  font-family: var(--font-mono, monospace);
}

/* ── 结果阶段（completed / failed）──────────────────────────── */

.ep-gen-result {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  text-align: center;
}

.ep-gen-result-icon {
  font-size: 48px;
  line-height: 1;
}

.ep-gen-result-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
}

.ep-gen-result-msg {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  max-width: 320px;
  line-height: 1.5;
}

.ep-gen-result-msg--error {
  color: var(--error-color, #ef4444);
}

.ep-gen-result-count {
  font-size: var(--font-size-sm);
  color: var(--success-color, #10b981);
  font-weight: 500;
}

.ep-gen-result-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}