/**
 * 剪辑计划编辑器 — V21 原型 1:1 还原样式
 * 颜色：对齐全局V21设计系统，使用 var(--bg-primary)、var(--bg-secondary)、var(--primary) 等
 * 布局：3行（顶栏52 + 模式栏56 + 三栏主体flex）
 * 面板宽度：左240 / 右280
 * 按钮：对齐V21 Button组件风格
 * 字号：12px为主，标题13-14px
 */

/* ═══════════════════════════════════════
   根容器 — 全屏三行布局（V21浅色主题）
   ═══════════════════════════════════════ */

.ep-v8-root {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: var(--bg-secondary, #f8fafc);
  color: var(--text-primary, #1e293b);
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 12px;
  line-height: 1.5;
  overflow: hidden;
}

/* ═══════════════════════════════════════
   第1行：顶栏 52px（V21风格）
   ═══════════════════════════════════════ */

.ep-top-bar {
  height: 52px;
  min-height: 52px;
  background: var(--bg-primary, #ffffff);
  border-bottom: 1px solid var(--line, #e2e8f0);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  flex-shrink: 0;
}

.ep-top-bar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ep-logo {
  font-size: 16px;
  color: var(--primary, #6366f1);
  font-weight: 700;
}

.ep-app-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary, #6366f1);
}

.ep-divider {
  color: var(--text-muted, #cbd5e1);
  margin: 0 4px;
}

.ep-template-name {
  color: var(--text-muted, #64748b);
  font-size: 13px;
}

.ep-top-bar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* 按钮 — V21风格 */
.ep-btn {
  height: 32px;
  padding: 0 16px;
  border-radius: var(--radius-sm, 14px);
  font-size: 13px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.ep-btn-primary {
  background: var(--gradient-primary);
  color: var(--text-inverse);
  box-shadow: 0 14px 26px rgba(79, 70, 229, 0.22);
  font-weight: 600;
}

.ep-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(79, 70, 229, 0.28);
}

.ep-btn-primary:active {
  transform: translateY(0);
}

.ep-btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.ep-btn-secondary {
  background: var(--bg-primary, #ffffff);
  color: var(--text-secondary);
  border: 1px solid var(--line, #e2e8f0);
  font-weight: 600;
}

.ep-btn-secondary:hover {
  border-color: var(--info-border);
  color: var(--primary-dark);
  background: var(--primary-soft);
}

.ep-btn-secondary:active {
  transform: scale(0.98);
}

.ep-btn-secondary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.ep-btn-sm {
  height: 28px;
  padding: 0 12px;
  font-size: 12px;
  border-radius: var(--radius-xs, 8px);
}

.ep-btn-danger {
  background: var(--danger, #ef4444);
  color: var(--text-inverse);
}

.ep-btn-danger:hover {
  background: color-mix(in srgb, var(--danger, #ef4444), white 20%);
}

.ep-btn-danger:active {
  transform: scale(0.96);
  background: color-mix(in srgb, var(--danger, #ef4444), black 10%);
}

.ep-btn-danger:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ═══════════════════════════════════════
   第2行：模式栏 56px — V21居中图标按钮风格
   ═══════════════════════════════════════ */

.ep-mode-bar {
  height: 56px;
  min-height: 56px;
  background: var(--bg-primary, #ffffff);
  border-bottom: 1px solid var(--line, #e2e8f0);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 20px;
  flex-shrink: 0;
}

.ep-mode-bar-label {
  font-size: 12px;
  color: var(--text-muted, #64748b);
  margin-right: 8px;
}

.ep-mode-btn {
  position: relative;
  padding: 8px 14px;
  background: var(--bg-primary, #ffffff);
  border: 1px solid var(--line, #e2e8f0);
  color: var(--text-secondary, #64748b);
  font-size: 10px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  border-radius: 10px;
  transition: all 0.2s ease;
  min-width: 64px;
}

.ep-mode-btn:hover {
  border-color: var(--primary-light, #a5b4fc);
  background: var(--primary-soft, #f8faff);
}

.ep-mode-btn.active {
  border-color: var(--primary, #6366f1);
  background: var(--primary-soft, #eef2ff);
}

.ep-mode-btn.active .ep-mode-label {
  color: var(--primary, #6366f1);
}

.ep-mode-icon {
  font-size: 18px;
  line-height: 1;
}

/* ═══════════════════════════════════════
   第3行：三栏主体
   ═══════════════════════════════════════ */

.ep-main-body {
  flex: 1;
  display: flex;
  overflow: hidden;
  min-height: 0;
}

/* ─── 左栏 240px ─── */

.ep-left-panel {
  width: 240px;
  min-width: 240px;
  background: var(--bg-primary, #ffffff);
  border-right: 1px solid var(--line, #e2e8f0);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* 左栏标题 */
.ep-left-header {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line, #e2e8f0);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.ep-left-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary, #64748b);
}

.ep-left-back-btn {
  font-size: 10px;
  color: var(--text-tertiary, #94a3b8);
  background: none;
  border: none;
  cursor: pointer;
}

.ep-left-back-btn:hover {
  color: var(--primary, #6366f1);
}

/* 搜索 */
.ep-search-wrap {
  padding: 10px 12px;
  border-bottom: 1px solid var(--bg-secondary, #f1f5f9);
  position: relative;
  flex-shrink: 0;
}

.ep-search-input {
  width: 100%;
  height: 36px;
  background: var(--bg-secondary, #f8fafc);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  padding: 0 12px 0 36px;
  color: var(--text-primary, #1e293b);
  font-size: 12px;
  outline: none;
  transition: all 0.2s ease;
}

.ep-search-input::placeholder {
  color: var(--text-tertiary, #94a3b8);
}

.ep-search-input:focus {
  border-color: var(--primary, #6366f1);
  background: var(--bg-primary, #ffffff);
  box-shadow: 0 0 0 3px var(--primary-soft, #eef2ff);
}

.ep-search-icon {
  position: absolute;
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary, #94a3b8);
  font-size: 14px;
  pointer-events: none;
}

/* Chip 筛选 */
.ep-filter-chips {
  display: flex;
  gap: 6px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--bg-secondary, #f1f5f9);
  flex-wrap: wrap;
  flex-shrink: 0;
}

.ep-filter-chip {
  padding: 4px 10px;
  border-radius: var(--radius-full, 9999px);
  font-size: 10px;
  background: var(--bg-secondary, #f8fafc);
  color: var(--text-tertiary, #94a3b8);
  border: 1px solid var(--border-color, #e2e8f0);
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 500;
  line-height: 1.4;
}

.ep-filter-chip:hover {
  border-color: var(--primary, #6366f1);
  color: var(--text-secondary, #64748b);
}

.ep-filter-chip.active {
  border-color: var(--primary, #6366f1);
  color: var(--primary, #6366f1);
  background: var(--primary-soft, #eef2ff);
}

/* 左侧 Tab 切换 */
.ep-left-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color, #e2e8f0);
  background: var(--bg-secondary, #f8fafc);
}

.ep-left-tab {
  flex: 1;
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary, #64748b);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.ep-left-tab:hover {
  color: var(--text-primary, #1e293b);
  background: var(--bg-primary, #ffffff);
}

.ep-left-tab.active {
  color: var(--primary, #6366f1);
  border-bottom-color: var(--primary, #6366f1);
  background: var(--bg-primary, #ffffff);
}

/* 素材 Tab 容器 */
.ep-assets-tab {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

.ep-assets-tab::-webkit-scrollbar {
  width: 6px;
}

.ep-assets-tab::-webkit-scrollbar-thumb {
  background: var(--border-color, #e2e8f0);
  border-radius: 3px;
}

/* 模板列表 */
.ep-template-list {
  flex: 1;
  overflow-y: auto;
  padding: 10px 12px;
}

.ep-template-list::-webkit-scrollbar {
  width: 6px;
}

.ep-template-list::-webkit-scrollbar-thumb {
  background: var(--border-color, #e2e8f0);
  border-radius: 3px;
}

.ep-template-card {
  background: var(--bg-primary, #ffffff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.ep-template-card:hover {
  border-color: var(--primary-light, #a5b4fc);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.ep-template-card.active {
  border-color: var(--primary, #6366f1);
  background: var(--primary-soft, #eef2ff);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.15);
}

.ep-template-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.ep-template-card-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary, #1e293b);
}

.ep-template-card-mode {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: var(--radius-xs, 8px);
  background: var(--primary-soft, #eef2ff);
  color: var(--primary, #6366f1);
  font-weight: 500;
}

.ep-template-card-meta {
  display: flex;
  gap: 12px;
  font-size: 11px;
  color: var(--text-tertiary, #94a3b8);
  margin-bottom: 8px;
}

.ep-template-card-tags {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.ep-template-tag {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: var(--radius-xs, 8px);
  background: var(--bg-secondary, #f8fafc);
  color: var(--text-secondary, #64748b);
}

/* Loading / Empty */
.ep-loading,
.ep-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
  color: var(--text-tertiary, #94a3b8);
  font-size: 12px;
  gap: 8px;
}

.ep-loading > svg,
.ep-empty > svg {
  width: 32px;
  height: 32px;
  color: var(--text-tertiary, #94a3b8);
  opacity: 0.5;
  animation: ep-skeleton-pulse 2s ease-in-out infinite;
}

/* ─── 中栏 flex-1 ─── */

.ep-center-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  background: var(--bg-secondary, #f8fafc);
}

/* 上半部：预览 + 封面 (320px) */
.ep-preview-area {
  height: 320px;
  min-height: 280px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 40px;
  padding: 20px;
  background: var(--bg-primary, #ffffff);
  border-bottom: 1px solid var(--line, #e2e8f0);
  flex-shrink: 0;
}

/* 手机模型预览 */
.ep-phone-preview {
  width: 150px;
  height: 267px;
  background: var(--color-gray-950);
  border-radius: 16px;
  border: 2px solid var(--ep-border, #1f1f30);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.ep-phone-status-bar {
  height: 20px;
  background: var(--color-gray-900);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  font-size: 9px;
  color: var(--ep-text-muted, #4b5563);
}

.ep-phone-content {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    var(--ep-bg-card-hover, #1a1a2e),
    var(--ep-bg-deepest, #0a0a14)
  );
  height: calc(100% - 20px);
  position: relative;
}

.ep-phone-play-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(108, 92, 231, 0.8);
  border: none;
  color: var(--text-inverse);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.ep-phone-play-btn:hover {
  background: var(--primary, #6366f1);
  transform: scale(1.1);
}

.ep-phone-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(255, 255, 255, 0.2);
}

.ep-phone-progress-fill {
  height: 100%;
  background: var(--primary, #6366f1);
  transition: width 0.3s ease;
}

.ep-phone-clip-label {
  position: absolute;
  bottom: 8px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 9px;
  color: var(--ep-text-secondary, #9ca3af);
}

/* 标题/字幕实时预览叠加层 */
.ep-preview-title,
.ep-preview-subtitle {
  position: absolute;
  left: 4px;
  right: 4px;
  text-align: center;
  color: #fff;
  line-height: 1.3;
  pointer-events: none;
  z-index: 5;
  word-break: break-all;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ep-preview-title {
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
}

.ep-preview-subtitle {
  background: rgba(0, 0, 0, 0.55);
  padding: 2px 4px;
  border-radius: 3px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* 封面预览 */
.ep-cover-preview {
  width: 150px;
  height: 267px;
  background: var(--ep-bg-card, #13131f);
  border-radius: 6px;
  border: 1px solid var(--ep-border, #1f1f30);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ep-cover-image {
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    var(--ep-bg-card-hover, #1a1a2e),
    var(--ep-bg-card, #13131f)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ep-text-muted, #4b5563);
  font-size: 11px;
}

.ep-cover-label {
  position: absolute;
  bottom: 8px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 9px;
  color: var(--ep-text-secondary, #9ca3af);
}

/* 封面 AI 按钮 */
.ep-cover-ai-btns {
  position: absolute;
  top: 8px;
  left: 4px;
  right: 4px;
  display: flex;
  gap: 4px;
}

.ep-cover-ai-btn {
  flex: 1;
  height: 22px;
  background: rgba(108, 92, 231, 0.7);
  border: none;
  border-radius: 4px;
  color: var(--text-inverse);
  font-size: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.ep-cover-ai-btn:hover {
  background: var(--primary-hover, #4f46e5);
}

.ep-cover-ai-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 封面方案按钮（竖排4个） */
.ep-cover-tags {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ep-cover-tag {
  padding: 6px 12px;
  border-radius: var(--radius-full, 9999px);
  font-size: 10px;
  background: var(--bg-secondary, #f8fafc);
  color: var(--text-tertiary, #94a3b8);
  border: 1px solid var(--border-color, #e2e8f0);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
  height: auto;
}

.ep-cover-tag:hover {
  border-color: var(--primary, #6366f1);
  color: var(--primary, #6366f1);
}

.ep-cover-tag.active {
  background: var(--primary-soft, #eef2ff);
  color: var(--primary, #6366f1);
  border-color: var(--primary, #6366f1);
}

/* ─── 下半部：水平时间线（V21风格）─── */

.ep-timeline-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-primary, #ffffff);
  border-top: 1px solid var(--line, #e2e8f0);
  min-height: 0;
}

.ep-timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--bg-secondary, #f1f5f9);
  flex-shrink: 0;
}

.ep-timeline-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary, #64748b);
}

.ep-timeline-duration {
  font-size: 12px;
  color: var(--warning, #f59e0b);
  font-weight: 600;
}

.ep-timeline-actions {
  display: flex;
  gap: 6px;
}

.ep-timeline-action-btn {
  width: 28px;
  height: 28px;
  padding: 0;
  background: var(--bg-secondary, #f8fafc);
  border: 1px solid var(--line, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  color: var(--text-muted, #94a3b8);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ep-timeline-action-btn:hover {
  border-color: var(--primary, #6366f1);
  color: var(--primary, #6366f1);
  background: var(--primary-soft, #eef2ff);
}

/* 时间标尺 */
.ep-time-ruler {
  height: 24px;
  background: var(--bg-secondary, #f8fafc);
  border-bottom: 1px solid var(--bg-secondary, #f1f5f9);
  display: flex;
  align-items: flex-end;
  padding: 0 16px;
  overflow: hidden;
  flex-shrink: 0;
}

.ep-time-ruler-inner {
  display: flex;
  align-items: center;
  height: 100%;
  position: relative;
}

.ep-time-mark {
  position: absolute;
  font-size: 9px;
  color: var(--text-muted, #cbd5e1);
  bottom: 4px;
}

.ep-time-mark::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 1px;
  height: 6px;
  background: var(--border-color, #e2e2f0);
}

/* 水平片段轨道 — 带底色 */
.ep-clip-track {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  overflow-x: auto;
  overflow-y: hidden;
  background: var(--bg-primary, #ffffff);
  position: relative;
}

.ep-clip-track::-webkit-scrollbar {
  height: 6px;
}

.ep-clip-track::-webkit-scrollbar-thumb {
  background: var(--border-color, #e2e2e2);
  border-radius: 3px;
}

/* 水平片段卡片 — 宽度由 inline style 按 duration * pixelsPerSecond 控制 */
.ep-clip-card {
  min-width: 60px;
  height: 64px;
  background: var(--bg-primary, #ffffff);
  border: 1px solid var(--border-color, #e2e2e2);
  border-radius: var(--radius-sm, 14px);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.ep-clip-card:hover {
  border-color: var(--primary, #6366f1);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.ep-clip-card.selected {
  border-color: var(--primary, #6366f1);
  box-shadow:
    0 0 0 2px var(--primary-soft, #eef2ff),
    0 4px 12px rgba(99, 102, 241, 0.2);
}

.ep-clip-card.drag-over {
  border-color: var(--primary, #6366f1);
  background: var(--primary-soft, #eef2ff);
}

.ep-clip-card.dragging {
  opacity: 0.5;
}

.ep-clip-thumbnail {
  height: 34px;
  background: linear-gradient(
    135deg,
    var(--bg-secondary, #f8fafc),
    var(--border-light, #f1f5f9)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.ep-clip-info {
  padding: 4px 6px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.ep-clip-name {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-primary, #1e293b);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ep-clip-duration {
  font-size: 10px;
  color: var(--text-tertiary, #94a3b8);
}

.ep-clip-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.9);
  border: 2px solid var(--text-inverse);
  color: var(--text-inverse);
  font-size: 10px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  line-height: 1;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.ep-clip-card:hover .ep-clip-remove {
  display: flex;
}

/* 播放头竖线 */
.ep-playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--primary, #6366f1);
  z-index: 10;
  pointer-events: none;
  transition: left 0.05s linear;
}

.ep-playhead-handle {
  position: absolute;
  top: -2px;
  left: -6px;
  width: 14px;
  height: 14px;
  background: var(--primary, #6366f1);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  cursor: pointer;
  pointer-events: auto;
  transition: transform 0.1s;
}

.ep-playhead-handle:hover {
  transform: scale(1.3);
}

/* 缩放控件 */
.ep-timeline-zoom {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-right: 12px;
}

.ep-zoom-btn {
  width: 24px;
  height: 24px;
  border: 1px solid var(--line, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  background: var(--bg-secondary, #f8fafc);
  color: var(--text-muted, #94a3b8);
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  padding: 0;
}

.ep-zoom-btn:hover {
  border-color: var(--primary, #6366f1);
  color: var(--primary, #6366f1);
  background: var(--primary-soft, #eef2ff);
}

.ep-zoom-slider {
  width: 80px;
  height: 4px;
  accent-color: var(--primary, #6366f1);
  cursor: pointer;
}

.ep-zoom-label {
  font-size: 11px;
  color: var(--text-tertiary, #94a3b8);
  min-width: 42px;
  text-align: center;
}

/* ── 裁剪手柄 ── */
.ep-trim-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 8px;
  cursor: col-resize;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}

.ep-trim-handle-left {
  left: 0;
  border-radius: var(--radius-sm, 14px) 0 0 var(--radius-sm, 14px);
}

.ep-trim-handle-right {
  right: 0;
  border-radius: 0 var(--radius-sm, 14px) var(--radius-sm, 14px) 0;
}

.ep-trim-handle:hover {
  background: rgba(99, 102, 241, 0.15);
}

.ep-trim-handle-line {
  width: 2px;
  height: 20px;
  background: var(--primary, #6366f1);
  border-radius: 1px;
  opacity: 0.6;
}

.ep-trim-handle:hover .ep-trim-handle-line {
  opacity: 1;
}

/* 已裁剪片段的视觉标记 */
.ep-clip-card.trimmed {
  border-left: 3px solid var(--primary, #6366f1);
  border-right: 3px solid var(--primary, #6366f1);
}

/* 裁剪指示器（时长旁的剪刀图标） */
.ep-trim-indicator {
  margin-left: 2px;
  font-size: 9px;
  color: var(--primary, #6366f1);
}

/* 裁剪徽章 */
.ep-trim-badge {
  position: absolute;
  bottom: 4px;
  right: 4px;
  font-size: 9px;
  color: var(--primary, #6366f1);
  background: rgba(99, 102, 241, 0.1);
  border-radius: 4px;
  padding: 1px 3px;
  line-height: 1;
}

/* 裁剪预览 tooltip */
.ep-trim-preview {
  background: rgba(30, 41, 59, 0.92);
  color: #fff;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 12px;
  z-index: 1000;
  pointer-events: none;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  min-width: 120px;
}

.ep-trim-preview-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  line-height: 1.6;
}

.ep-trim-preview-label {
  color: rgba(255, 255, 255, 0.6);
  font-size: 11px;
}

.ep-trim-preview-value {
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.ep-trim-preview-duration {
  margin-top: 4px;
  padding-top: 4px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.ep-trim-preview-duration .ep-trim-preview-value {
  color: #60a5fa;
}

/* ── 右键上下文菜单 ── */
.ep-context-menu {
  background: var(--bg-primary, #ffffff);
  border: 1px solid var(--border-color, #e2e2e2);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  z-index: 2000;
  min-width: 160px;
  padding: 4px 0;
  overflow: hidden;
}

.ep-context-menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-size: 13px;
  color: var(--text-primary, #1e293b);
  cursor: pointer;
  transition: background 0.15s;
}

.ep-context-menu-item:hover {
  background: var(--bg-hover, #f1f5f9);
}

.ep-context-menu-item-danger {
  color: #ef4444;
}

.ep-context-menu-item-danger:hover {
  background: rgba(239, 68, 68, 0.06);
}

.ep-context-menu-icon {
  font-size: 14px;
  width: 18px;
  text-align: center;
}

.ep-context-menu-divider {
  height: 1px;
  background: var(--border-color, #e2e2e2);
  margin: 4px 0;
}

/* 空轨道 */
.ep-track-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-tertiary, #94a3b8);
  font-size: 12px;
  min-height: 64px;
}

.ep-track-empty-icon {
  font-size: 28px;
  margin-bottom: 2px;
}

.ep-track-empty-text {
  color: var(--text-tertiary, #94a3b8);
  font-size: 12px;
}

.ep-track-empty-add-btn {
  margin-top: 4px;
  padding: 6px 18px;
  background: var(--primary, #6366f1);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm, 14px);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast, 0.15s ease);
}

.ep-track-empty-add-btn:hover {
  background: var(--primary-hover, #4f46e5);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

/* 轨道末尾 "+" 添加卡片 — 对齐 V21 原型虚线 "+" 卡 */
.ep-track-add-card-wrapper {
  position: relative;
  flex-shrink: 0;
}

.ep-track-add-card {
  min-width: 60px;
  height: 64px;
  border: 2px dashed var(--line, #e2e8f0);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 24px;
  color: #94a3b8;
  transition: all 0.2s ease;
  user-select: none;
}

.ep-track-add-card:hover {
  border-color: var(--primary, #6366f1);
  color: var(--primary, #6366f1);
  background: var(--primary-soft, #eef2ff);
}

.ep-track-add-card.locked {
  cursor: not-allowed;
  opacity: 0.5;
  font-size: 18px;
}

.ep-track-add-card.locked:hover {
  border-color: var(--line, #e2e8f0);
  color: #94a3b8;
  background: none;
}

/* picker 已改为 Portal 渲染，不再需要相对定位 */

/* 添加片段按钮 + 选择器 */
.ep-add-clip-wrapper {
  position: relative;
  display: inline-block;
}

.ep-add-clip-btn {
  padding: 4px 12px;
  background: var(--primary, #6366f1);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm, 14px);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast, 0.15s ease);
  white-space: nowrap;
}

.ep-add-clip-btn:hover {
  background: var(--primary-hover, #4f46e5);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

/* ── "+" 卡片类型+时长选择器 ── */
.ep-add-clip-picker {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: 180px;
  background: var(--bg-primary, #ffffff);
  border: 1px solid var(--line, #e2e8f0);
  border-radius: var(--radius-md, 18px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  z-index: 100;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* fixed 定位版本 — 不受任何父容器 overflow 裁剪 */
.ep-add-clip-picker--portal {
  position: fixed !important;
  z-index: 1000;
}

.ep-add-clip-picker-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary, #1e293b);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line, #e2e8f0);
}

.ep-add-clip-type-row,
.ep-add-clip-duration-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ep-add-clip-type-label {
  font-size: 12px;
  color: var(--text-secondary, #64748b);
  font-weight: 500;
  flex-shrink: 0;
  min-width: 36px;
}

.ep-add-clip-type-btn {
  padding: 5px 10px;
  border-radius: var(--radius-xs, 8px);
  border: 1px solid var(--line, #e2e8f0);
  background: var(--bg-primary, #ffffff);
  color: var(--text-secondary, #64748b);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.ep-add-clip-type-btn:hover {
  border-color: var(--primary, #6366f1);
  color: var(--primary, #6366f1);
}

.ep-add-clip-type-btn.active {
  border-color: var(--primary, #6366f1);
  background: var(--primary-soft, #eef2ff);
  color: var(--primary, #6366f1);
  font-weight: 500;
}

.ep-add-clip-duration-unit {
  font-size: 12px;
  color: var(--text-tertiary, #94a3b8);
}

.ep-add-clip-confirm-btn {
  width: 100%;
  height: 30px;
  background: var(--primary, #6366f1);
  color: var(--text-inverse, #ffffff);
  border: none;
  border-radius: var(--radius-xs, 8px);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  margin-top: 4px;
}

.ep-add-clip-confirm-btn:hover {
  background: var(--primary-hover, #4f46e5);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

/* ── 片段详情 — 类型选择器 ── */
.ep-clip-type-selector {
  display: flex;
  gap: 6px;
}

.ep-clip-type-btn {
  padding: 5px 12px;
  border-radius: var(--radius-xs, 8px);
  border: 1px solid var(--line, #e2e8f0);
  background: var(--bg-primary, #ffffff);
  color: var(--text-secondary, #64748b);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  gap: 4px;
}

.ep-clip-type-btn:hover:not(.disabled) {
  border-color: var(--primary, #6366f1);
  color: var(--primary, #6366f1);
}

.ep-clip-type-btn.active {
  border-color: var(--primary, #6366f1);
  background: var(--primary-soft, #eef2ff);
  color: var(--primary, #6366f1);
  font-weight: 500;
}

.ep-clip-type-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* 一镜到底提示 */
.ep-one-take-hint {
  padding: 6px 16px;
  background: var(--color-accent-50, #fffbeb);
  border-bottom: 1px solid var(--color-accent-100, #fef3c7);
  color: var(--accent-color, #f59e0b);
  font-size: 12px;
  font-weight: 500;
  font-size: 11px;
  text-align: center;
}

/* ─── 右栏 280px ─── */

.ep-right-panel {
  width: 280px;
  min-width: 280px;
  background: var(--bg-primary, #ffffff);
  border-left: 1px solid var(--line, #e2e8f0);
  overflow-y: auto;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.ep-right-panel::-webkit-scrollbar {
  width: 6px;
}

.ep-right-panel::-webkit-scrollbar-thumb {
  background: var(--line, #e2e8f0);
  border-radius: 3px;
}

/* 设置区块 */
.ep-settings-section {
  padding: 14px;
  border-bottom: 1px solid var(--bg-secondary, #f1f5f9);
}

.ep-section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary, #64748b);
  text-transform: uppercase;
  margin-bottom: 12px;
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.3px;
}

.ep-section-icon {
  font-size: 14px;
}

/* 表单字段 */
.ep-field {
  margin-bottom: 12px;
}

.ep-field-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary, #64748b);
  margin-bottom: 6px;
}

.ep-form-input,
.ep-form-select {
  width: 100%;
  height: 32px;
  background: var(--bg-secondary, #f8fafc);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  padding: 0 10px;
  color: var(--text-primary, #1e293b);
  font-size: 12px;
  outline: none;
  transition: all 0.2s ease;
}

.ep-form-input:focus,
.ep-form-select:focus {
  border-color: var(--primary, #6366f1);
  background: var(--bg-primary, #ffffff);
  box-shadow: 0 0 0 3px var(--primary-soft, #eef2ff);
}

.ep-form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}

/* Toggle 开关 */
.ep-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.ep-toggle-label {
  font-size: 12px;
  color: var(--text-primary, #1e293b);
  font-weight: 500;
}

.ep-toggle {
  width: 40px;
  height: 22px;
  background: var(--border-color, #e2e8f0);
  border-radius: 11px;
  position: relative;
  cursor: pointer;
  transition: background 0.2s ease;
  flex-shrink: 0;
}

.ep-toggle.active {
  background: var(--primary, #6366f1);
}

.ep-toggle-knob {
  width: 18px;
  height: 18px;
  background: var(--bg-primary);
  border-radius: 50%;
  position: absolute;
  top: 2px;
  left: 2px;
  transition: left 0.2s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.ep-toggle.active .ep-toggle-knob {
  left: 20px;
}

/* 滑块 */
.ep-slider-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ep-slider {
  flex: 1;
  -webkit-appearance: none;
  height: 4px;
  background: var(--border-color, #e2e8f0);
  border-radius: 2px;
  outline: none;
}

.ep-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  background: var(--primary, #6366f1);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(99, 102, 241, 0.3);
  border: 2px solid var(--text-inverse);
}

.ep-slider-value {
  font-size: 12px;
  color: var(--text-secondary, #64748b);
  min-width: 36px;
  text-align: right;
  font-weight: 500;
}

/* 样式按钮组 */
.ep-style-btns {
  display: flex;
  gap: 6px;
}

.ep-style-btn {
  width: 32px;
  height: 32px;
  background: var(--bg-primary, #ffffff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  color: var(--text-secondary, #64748b);
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  font-weight: 500;
}

.ep-style-btn:hover {
  border-color: var(--primary, #6366f1);
  color: var(--primary, #6366f1);
  background: var(--primary-soft, #eef2ff);
}

.ep-style-btn.active {
  background: var(--primary-soft, #eef2ff);
  border-color: var(--primary, #6366f1);
  color: var(--primary, #6366f1);
}

/* ── 标题预设样式 — 剪映风格方形网格，示例文字"标题"预览完整效果 ── */
.ep-title-presets-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.ep-title-preset-card {
  aspect-ratio: 1;
  background: #ffffff;
  border: 2px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 6px 4px;
  transition: all 0.15s ease;
  overflow: hidden;
}

.ep-title-preset-card:hover {
  border-color: var(--primary, #6366f1);
  background: #f8fafc;
  transform: translateY(-1px);
}

.ep-title-preset-card.active {
  border-color: var(--primary, #6366f1);
  background: #eef2ff;
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.3);
}

.ep-title-preset-preview-text {
  line-height: 1.2;
  text-align: center;
  word-break: keep-all;
  white-space: nowrap;
}

.ep-title-preset-card-label {
  font-size: 9px;
  color: #64748b;
  line-height: 1;
  text-align: center;
  margin-top: auto;
}

.ep-title-preset-card.active .ep-title-preset-card-label {
  color: var(--primary, #6366f1);
  font-weight: 500;
}

/* AI推荐按钮 */
.ep-ai-recommend-btn {
  width: 100%;
  height: 36px;
  padding: 0 12px;
  background: var(--gradient-primary, var(--gradient-primary));
  border: none;
  border-radius: var(--radius-xs, 8px);
  color: var(--text-inverse);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.ep-ai-recommend-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.ep-ai-recommend-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* 片段详情卡片 */
.ep-clip-detail {
  background: var(--bg-secondary, #f8fafc);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-sm, 14px);
  padding: 14px;
}

.ep-clip-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-light, #f1f5f9);
}

.ep-clip-detail-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary, #1e293b);
}

.ep-clip-detail-type {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: var(--radius-xs, 8px);
  background: var(--primary-soft, #eef2ff);
  color: var(--primary, #6366f1);
  font-weight: 500;
}

.ep-clip-detail-field {
  margin-bottom: 10px;
}

.ep-clip-detail-label {
  font-size: 11px;
  color: var(--text-tertiary, #94a3b8);
  margin-bottom: 4px;
  font-weight: 500;
}

.ep-clip-detail-value {
  font-size: 12px;
  color: var(--text-primary, #1e293b);
  font-weight: 500;
}

.ep-clip-detail-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.ep-duration-input {
  width: 70px;
  height: 28px;
  background: var(--bg-primary, #ffffff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  padding: 0 8px;
  color: var(--text-primary, #1e293b);
  font-size: 12px;
  outline: none;
  text-align: center;
  font-weight: 500;
  transition: all 0.2s ease;
}

.ep-duration-input:focus {
  border-color: var(--primary, #6366f1);
  box-shadow: 0 0 0 3px var(--primary-soft, #eef2ff);
}

/* ═══════════════════════════════════════
   底栏 — V21已移除，内容移到顶栏
   ═══════════════════════════════════════ */

.ep-status-bar {
  display: none;
}

/* ═══════════════════════════════════════
   弹窗补充样式（V21浅色主题）
   ═══════════════════════════════════════ */

.ep-modal-field {
  margin-bottom: 16px;
}

.ep-modal-field label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary, #1e293b);
  margin-bottom: 6px;
}

.ep-modal-info {
  padding: 12px 14px;
  background: var(--bg-secondary, #f8fafc);
  border-radius: var(--radius-xs, 8px);
  font-size: 12px;
  color: var(--text-secondary, #64748b);
  margin-top: 8px;
  border: 1px solid var(--border-color, #e2e8f0);
}

/* 生成弹窗 */
.ep-gen-setup {
  padding: 8px 0;
}

.ep-gen-field-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary, #1e293b);
  margin-bottom: 8px;
}

.ep-gen-duration-input {
  width: 100%;
  height: 40px;
  background: var(--bg-primary, #ffffff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  padding: 0 12px;
  color: var(--text-primary, #1e293b);
  font-size: 14px;
  outline: none;
  margin-bottom: 12px;
  transition: all 0.2s ease;
}

.ep-gen-duration-input:focus {
  border-color: var(--primary, #6366f1);
  box-shadow: 0 0 0 3px var(--primary-soft, #eef2ff);
}

.ep-gen-estimate {
  font-size: 12px;
  color: var(--text-secondary, #64748b);
  padding: 12px 14px;
  background: var(--bg-secondary, #f8fafc);
  border-radius: var(--radius-xs, 8px);
  border: 1px solid var(--border-color, #e2e8f0);
}

.ep-gen-progress {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 0;
  gap: 20px;
}

.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, #e2e8f0);
  stroke-width: 8;
}

.ep-gen-progress-ring-fill {
  fill: none;
  stroke: var(--primary, #6366f1);
  stroke-width: 8;
  stroke-linecap: round;
  transition:
    stroke-dashoffset 0.5s ease,
    stroke 0.3s;
}

.ep-gen-progress-pct {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary, #1e293b);
}

.ep-gen-step-text {
  font-size: 14px;
  color: var(--text-primary, #1e293b);
  font-weight: 500;
}

.ep-gen-progress-bar {
  width: 100%;
  height: 6px;
  background: var(--border-color, #e2e8f0);
  border-radius: 3px;
  overflow: hidden;
}

.ep-gen-progress-bar-fill {
  height: 100%;
  background: var(--primary, #6366f1);
  border-radius: 3px;
  transition: width 0.5s ease;
}

.ep-gen-task-id {
  font-size: 11px;
  color: var(--text-tertiary, #94a3b8);
  font-family: monospace;
}

.ep-gen-result {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 0;
  gap: 12px;
}

.ep-gen-result-icon {
  font-size: 56px;
}

.ep-gen-result-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary, #1e293b);
}

.ep-gen-result-msg {
  font-size: 13px;
  color: var(--text-secondary, #64748b);
}

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

.ep-gen-result-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.ep-btn-primary:active {
  background: var(--primary-dark, #4338ca);
  transform: scale(0.97);
}
.ep-btn-secondary:active {
  background: var(--bg-secondary, #f8fafc);
  border-color: var(--primary, #6366f1);
  color: var(--primary, #6366f1);
}
.ep-btn-danger:active {
  background: var(--error-color);
  transform: scale(0.97);
}

.ep-btn-danger:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.ep-btn-sm:active {
  transform: scale(0.96);
  opacity: 0.85;
}

.ep-btn-sm:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.ep-cover-ai-btn:active {
  background: var(--primary-dark, #4338ca);
  transform: scale(0.96);
}
.ep-filter-chip:active {
  transform: scale(0.95);
  background: var(--primary-soft, #eef2ff);
}
.ep-cover-tag:active {
  transform: scale(0.96);
  background: var(--primary-soft, #eef2ff);
}
.ep-timeline-action-btn:active {
  background: var(--primary-soft, #eef2ff);
  transform: scale(0.96);
}

.ep-timeline-action-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.ep-style-btn:active {
  background: var(--primary-soft, #eef2ff);
  transform: scale(0.95);
}
.ep-ai-recommend-btn:active {
  opacity: 0.8;
  transform: scale(0.98);
}
.ep-mode-btn:active {
  background: rgba(108, 92, 231, 0.15);
}

/* 底栏链接按钮 */
.ep-status-link {
  color: var(--ep-accent, #6c5ce7);
  cursor: pointer;
  background: none;
  border: none;
  font-size: 11px;
  padding: 2px 4px;
  border-radius: 3px;
  transition:
    color 0.2s,
    background 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.ep-status-link:hover {
  color: var(--ep-accent-hover, #7c6cf7);
  background: var(--ep-accent-soft, rgba(108, 92, 231, 0.12));
}

.ep-status-link:active {
  color: var(--primary-dark);
}

/* Skeleton loading */
@keyframes ep-skeleton-pulse {
  0%,
  100% {
    opacity: 0.4;
  }
  50% {
    opacity: 0.8;
  }
}

.ep-skeleton {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 8px;
}

.ep-skeleton-item {
  height: 48px;
  background: var(--bg-secondary, #f8fafc);
  border-radius: var(--radius-sm, 14px);
  animation: ep-skeleton-pulse 1.5s ease-in-out infinite;
}

.ep-skeleton-item--header {
  height: 14px;
  width: 60%;
}

.ep-skeleton-item--meta {
  height: 10px;
  width: 40%;
}

.ep-skeleton-item--tag {
  height: 18px;
  width: 80%;
}
/* ═══ 片段属性面板 — 补充样式 ═══ */
.ep-clip-detail-unit {
  font-size: var(--font-size-xs, 11px);
  color: var(--text-tertiary, #94a3b8);
  margin-left: 2px;
}

.ep-clip-detail-linked {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--primary, #6366f1);
  font-size: 12px;
}

.ep-clip-detail-linked::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 12px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236366f1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71'/%3E%3Cpath d='M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  flex-shrink: 0;
}

/* ═══ 配音素材选择器 ═══ */
.ep-clip-detail-select {
  width: 100%;
  padding: 6px 8px;
  font-size: 12px;
  color: var(--text-primary, #e2e8f0);
  background: var(--bg-tertiary, #1e293b);
  border: 1px solid var(--border-color, #334155);
  border-radius: 6px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.15s;
}

.ep-clip-detail-select:hover {
  border-color: var(--primary, #6366f1);
}

.ep-clip-detail-select:focus {
  border-color: var(--primary, #6366f1);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.15);
}

.ep-voice-upload-btn {
  width: 100%;
  margin-top: 6px;
  padding: 6px 0;
  font-size: 12px;
  color: var(--primary, #6366f1);
  background: transparent;
  border: 1px dashed var(--primary, #6366f1);
  border-radius: 6px;
  cursor: pointer;
  transition:
    background 0.15s,
    color 0.15s;
}

.ep-voice-upload-btn:hover {
  background: rgba(99, 102, 241, 0.08);
}

/* 配音标签行（含刷新按钮） */
.ep-clip-detail-label {
  display: flex;
  align-items: center;
  gap: 6px;
}

.ep-voice-refresh-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  padding: 0;
  font-size: 11px;
  line-height: 1;
  color: var(--text-secondary, #94a3b8);
  background: transparent;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition:
    background 0.15s,
    color 0.15s;
}

.ep-voice-refresh-btn:hover {
  color: var(--primary, #6366f1);
  background: rgba(99, 102, 241, 0.1);
}

.ep-voice-refresh-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 配音选择行（select + 试听按钮） */
.ep-voice-select-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.ep-voice-select-row .ep-clip-detail-select {
  flex: 1;
  min-width: 0;
}

.ep-voice-preview-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  font-size: 13px;
  line-height: 1;
  color: var(--text-primary, #e2e8f0);
  background: var(--bg-tertiary, #1e293b);
  border: 1px solid var(--border-color, #334155);
  border-radius: 6px;
  cursor: pointer;
  transition:
    background 0.15s,
    border-color 0.15s;
}

.ep-voice-preview-btn:hover {
  background: var(--bg-hover, #2d3a4f);
  border-color: var(--primary, #6366f1);
}

.ep-voice-loading,
.ep-voice-empty {
  padding: 8px 0;
  font-size: 12px;
  color: var(--text-secondary, #94a3b8);
  text-align: center;
}

/* ═══ 预览区 — 补充样式 ═══ */
.ep-phone-empty-hint {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-xs, 11px);
}

.ep-cover-icon {
  font-size: 24px;
  line-height: 1;
}

/* ═══ 素材面板 — 补充样式 ═══ */
.ep-media-panel-inner {
  position: relative;
}

/* ═══ 生成历史弹窗 — 补充样式 ═══ */
.ep-gh-modal {
  width: 520px;
  max-width: 95vw;
}

.ep-gh-body {
  max-height: 400px;
  overflow-y: auto;
}

.ep-gh-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  color: var(--text-tertiary, #94a3b8);
  font-size: var(--font-size-sm, 13px);
}

.ep-gh-table {
  width: 100%;
  border-collapse: collapse;
}

.ep-gh-table-header-row {
  border-bottom: 1px solid var(--border-color, #e2e8f0);
  text-align: left;
}

.ep-gh-th {
  padding: 10px 12px;
  font-size: var(--font-size-xs, 11px);
  color: var(--text-secondary, #64748b);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ep-gh-table-row {
  border-bottom: 1px solid var(--border-light, #f1f5f9);
  transition: background 0.2s ease;
}

.ep-gh-table-row:hover {
  background: var(--bg-secondary, #f8fafc);
}

.ep-gh-td {
  padding: 10px 12px;
  font-size: var(--font-size-sm, 13px);
  color: var(--text-primary, #1e293b);
}

.ep-gh-td-id {
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: var(--font-size-xs, 11px);
  color: var(--text-secondary, #64748b);
}

.ep-gh-td-time {
  color: var(--text-tertiary, #94a3b8);
  font-size: var(--font-size-xs, 11px);
}

.ep-gh-status-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-full, 9999px);
  font-size: var(--font-size-xs, 11px);
  line-height: 1.4;
  font-weight: 500;
}

/* ═══ 生成历史弹窗 — 基础 Modal 结构 ═══ */
.ep-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1050;
  display: grid;
  place-items: center;
  background: var(--bg-overlay, rgba(15, 23, 42, 0.45));
  animation: ep-fade-in 0.2s ease;
  backdrop-filter: blur(4px);
}

@keyframes ep-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.ep-modal {
  background: var(--bg-primary, #ffffff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-lg, 24px);
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.15);
  animation: ep-scale-in 0.2s ease-out;
  overflow: hidden;
}

@keyframes ep-scale-in {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.ep-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light, #f1f5f9);
}

.ep-modal-header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary, #1e293b);
}

.ep-modal-close {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: none;
  border-radius: var(--radius-xs, 8px);
  background: transparent;
  color: var(--text-secondary, #64748b);
  font-size: 18px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.ep-modal-close:hover {
  background: var(--bg-secondary, #f8fafc);
  color: var(--text-primary, #1e293b);
}

.ep-modal-close:active {
  transform: scale(0.92);
  background: var(--border-color, #e2e8f0);
}

.ep-modal-body {
  padding: 20px 24px;
}

.ep-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--border-light, #f1f5f9);
}

/* 状态标签变体 */
.ep-gh-status-tag--completed {
  background: var(--success-soft);
  color: var(--success-color);
}

.ep-gh-status-tag--failed {
  background: var(--error-soft);
  color: var(--error-color);
}

.ep-gh-status-tag--rendering {
  background: var(--info-soft);
  color: var(--info-color);
}

.ep-gh-status-tag--default {
  background: var(--bg-secondary);
  color: var(--text-tertiary);
}

/* 空状态增强 */
.ep-gh-empty {
  flex-direction: column;
  gap: 8px;
  text-align: center;
  min-height: 80px;
}

/* ═══════════════════════════════════════
   BGM 选择器 Drawer
   ═══════════════════════════════════════ */

.bgm-selector-drawer .ant-drawer-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow: hidden;
}

.bgm-search-row {
  margin-bottom: 12px;
  flex-shrink: 0;
}

.bgm-category-bar {
  display: flex;
  gap: 8px;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light, #f1f5f9);
  margin-bottom: 12px;
  flex-shrink: 0;
}

.bgm-category-bar::-webkit-scrollbar {
  height: 0;
}

.bgm-category-tag {
  cursor: pointer;
  border-radius: var(--radius-full, 9999px);
  padding: 4px 12px;
  font-size: 12px;
  border: 1px solid var(--border-color, #e2e8f0);
  background: var(--bg-primary, #ffffff);
  color: var(--text-secondary, #64748b);
  transition: all 0.2s ease;
  white-space: nowrap;
  flex-shrink: 0;
  user-select: none;
}

.bgm-category-tag:hover {
  border-color: var(--primary, #6366f1);
  color: var(--primary, #6366f1);
}

.bgm-category-tag.active {
  background: var(--primary, #6366f1);
  color: var(--text-inverse, #ffffff);
  border-color: var(--primary, #6366f1);
}

.bgm-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 0;
}

.bgm-list::-webkit-scrollbar {
  width: 5px;
}

.bgm-list::-webkit-scrollbar-thumb {
  background: var(--border-color, #e2e8f0);
  border-radius: 3px;
}

.bgm-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-md, 18px);
  background: var(--bg-primary, #ffffff);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.bgm-item:hover {
  border-color: var(--primary-light, #a5b4fc);
  background: var(--primary-soft, #f8faff);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.1);
}

.bgm-item.selected {
  border-color: var(--primary, #6366f1);
  background: var(--primary-soft, #eef2ff);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.15);
}

.bgm-item-cover {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-xs, 8px);
  background: var(--bg-secondary, #f8fafc);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.bgm-item-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bgm-item-cover-icon {
  font-size: 20px;
  opacity: 0.5;
}

.bgm-item-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.bgm-item-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary, #1e293b);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bgm-item-meta {
  display: flex;
  gap: 8px;
  font-size: 11px;
  color: var(--text-tertiary, #94a3b8);
}

.bgm-item-category {
  color: var(--primary, #6366f1);
}

.bgm-item-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.bgm-item-tag {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: var(--radius-xs, 8px);
  background: var(--bg-secondary, #f8fafc);
  color: var(--text-secondary, #64748b);
}

.bgm-item-preview-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--border-color, #e2e8f0);
  background: var(--bg-primary, #ffffff);
  color: var(--text-secondary, #64748b);
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.bgm-item-preview-btn:hover {
  border-color: var(--primary, #6366f1);
  color: var(--primary, #6366f1);
  background: var(--primary-soft, #eef2ff);
}

.bgm-item-preview-btn.playing {
  border-color: var(--primary, #6366f1);
  background: var(--primary, #6366f1);
  color: var(--text-inverse, #ffffff);
}

.bgm-item-check {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary, #6366f1);
  color: var(--text-inverse, #ffffff);
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

/* 混音配置区 */
.bgm-mix-config {
  flex-shrink: 0;
  border-top: 1px solid var(--border-light, #f1f5f9);
  padding-top: 14px;
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bgm-mix-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary, #1e293b);
}

.bgm-mix-clear {
  font-size: 12px;
  color: var(--danger, #ef4444);
  background: none;
  border: none;
  cursor: pointer;
  font-weight: 500;
  transition: opacity 0.2s;
}

.bgm-mix-clear:hover {
  opacity: 0.7;
}

.bgm-mix-selected {
  font-size: 12px;
  color: var(--text-secondary, #64748b);
  padding: 6px 10px;
  background: var(--bg-secondary, #f8fafc);
  border-radius: var(--radius-xs, 8px);
  border: 1px solid var(--border-light, #f1f5f9);
}

.bgm-mix-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bgm-mix-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary, #64748b);
  font-weight: 500;
}

.bgm-mix-value {
  color: var(--primary, #6366f1);
  font-weight: 600;
  font-size: 12px;
}

.bgm-mix-toggle-row {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

.bgm-loading,
.bgm-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
  color: var(--text-tertiary, #94a3b8);
  font-size: 13px;
}

/* ═══════════════════════════════════════
   字幕样式配置面板 Drawer
   ═══════════════════════════════════════ */

.subtitle-style-drawer .ant-drawer-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow-y: auto;
}

.subtitle-style-drawer .ant-drawer-body::-webkit-scrollbar {
  width: 5px;
}

.subtitle-style-drawer .ant-drawer-body::-webkit-scrollbar-thumb {
  background: var(--border-color, #e2e8f0);
  border-radius: 3px;
}

.sub-field {
  margin-bottom: 16px;
}

.sub-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sub-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary, #64748b);
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 6px;
}

.sub-mode-switch {
  display: flex;
  gap: 0;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  overflow: hidden;
}

.sub-mode-btn {
  flex: 1;
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 500;
  background: var(--bg-primary, #ffffff);
  border: none;
  color: var(--text-secondary, #64748b);
  cursor: pointer;
  transition: all 0.2s ease;
  border-right: 1px solid var(--border-color, #e2e8f0);
}

.sub-mode-btn:last-child {
  border-right: none;
}

.sub-mode-btn:hover {
  background: var(--primary-soft, #f8faff);
  color: var(--primary, #6366f1);
}

.sub-mode-btn.active {
  background: var(--primary, #6366f1);
  color: var(--text-inverse, #ffffff);
}

.sub-select {
  width: 100%;
}

.sub-color-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sub-value {
  color: var(--primary, #6366f1);
  font-weight: 600;
  font-size: 12px;
}

.sub-position-group {
  display: flex;
  gap: 0;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  overflow: hidden;
}

.sub-position-btn {
  flex: 1;
  padding: 7px 10px;
  font-size: 12px;
  font-weight: 500;
  background: var(--bg-primary, #ffffff);
  border: none;
  border-right: 1px solid var(--border-color, #e2e8f0);
  color: var(--text-secondary, #64748b);
  cursor: pointer;
  transition: all 0.2s ease;
}

.sub-position-btn:last-child {
  border-right: none;
}

.sub-position-btn:hover {
  background: var(--primary-soft, #f8faff);
  color: var(--primary, #6366f1);
}

.sub-position-btn.active {
  background: var(--primary, #6366f1);
  color: var(--text-inverse, #ffffff);
}

.sub-effect-btns {
  display: flex;
  gap: 8px;
}

.sub-effect-btn {
  flex: 1;
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 500;
  background: var(--bg-primary, #ffffff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  color: var(--text-secondary, #64748b);
  cursor: pointer;
  transition: all 0.2s ease;
}

.sub-effect-btn:hover {
  border-color: var(--primary, #6366f1);
  color: var(--primary, #6366f1);
}

.sub-effect-btn.active {
  background: var(--primary-soft, #eef2ff);
  border-color: var(--primary, #6366f1);
  color: var(--primary, #6366f1);
}

.sub-preview-box {
  background: linear-gradient(135deg, #1a1a2e, #0a0a14);
  border-radius: var(--radius-md, 18px);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60px;
}

.sub-preview-text {
  line-height: 1.4;
  text-align: center;
  word-break: break-all;
}

/* ═══════════════════════════════════════
   ClipPropertiesPanel — BGM/字幕高级配置按钮
   ═══════════════════════════════════════ */

.ep-advanced-btn {
  width: 100%;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 500;
  background: var(--primary-soft, #eef2ff);
  border: 1px solid var(--primary-light, #a5b4fc);
  border-radius: var(--radius-xs, 8px);
  color: var(--primary, #6366f1);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
}

.ep-advanced-btn:hover {
  background: var(--primary, #6366f1);
  color: var(--text-inverse, #ffffff);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(99, 102, 241, 0.25);
}

.ep-bgm-current {
  font-size: 11px;
  color: var(--text-secondary, #64748b);
  padding: 6px 10px;
  background: var(--bg-secondary, #f8fafc);
  border-radius: var(--radius-xs, 8px);
  border: 1px solid var(--border-light, #f1f5f9);
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ep-bgm-empty {
  font-size: 11px;
  color: var(--text-tertiary, #94a3b8);
  padding: 6px 10px;
  background: var(--bg-secondary, #f8fafc);
  border-radius: var(--radius-xs, 8px);
  border: 1px dashed var(--border-color, #e2e8f0);
  margin-bottom: 8px;
  text-align: center;
}

/* ═══════════════════════════════════════
   转场特效选择器 Drawer
   ═══════════════════════════════════════ */

.transition-selector-drawer .ant-drawer-body {
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.ts-duration-section {
  background: var(--bg-secondary, #f8fafc);
  border-radius: var(--radius-md, 12px);
  padding: 16px;
}

.ts-duration-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.ts-duration-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary, #1e293b);
}

.ts-duration-value {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary, #6366f1);
  font-variant-numeric: tabular-nums;
}

.ts-duration-marks {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-tertiary, #94a3b8);
  margin-top: 4px;
}

/* ── 转场卡片网格 ── */

.ts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.ts-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 14px 8px;
  background: var(--bg-surface, #ffffff);
  border: 2px solid transparent;
  border-radius: var(--radius-md, 12px);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.ts-card:hover {
  background: var(--primary-soft, #eef2ff);
  border-color: var(--primary-light, #c7d2fe);
  transform: translateY(-1px);
}

.ts-card.active {
  border-color: var(--primary, #6366f1);
  background: var(--primary-soft, #eef2ff);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.15);
}

.ts-card-icon {
  font-size: 22px;
  line-height: 1;
}

.ts-card-name {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary, #64748b);
  text-align: center;
  white-space: nowrap;
}

.ts-card.active .ts-card-name {
  color: var(--primary, #6366f1);
  font-weight: 600;
}

.ts-card-check {
  position: absolute;
  top: 4px;
  right: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary, #6366f1);
}

/* ── 转场选择器底部 ── */

.ts-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-light, #f1f5f9);
}

.ts-reset-btn {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  background: var(--bg-secondary, #f1f5f9);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  color: var(--text-secondary, #64748b);
  cursor: pointer;
  transition: all 0.2s ease;
}

.ts-reset-btn:hover {
  background: var(--bg-primary, #e2e8f0);
  color: var(--text-primary, #1e293b);
}

.ts-current {
  font-size: 12px;
  color: var(--text-tertiary, #94a3b8);
}

/* ═══════════════════════════════════════
   片段调速面板 Drawer
   ═══════════════════════════════════════ */

.speed-panel-drawer .ant-drawer-body {
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sp-speed-section {
  background: var(--bg-secondary, #f8fafc);
  border-radius: var(--radius-md, 12px);
  padding: 16px;
}

.sp-speed-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.sp-speed-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary, #1e293b);
}

.sp-speed-value {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary, #6366f1);
  font-variant-numeric: tabular-nums;
}

.sp-speed-marks {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-tertiary, #94a3b8);
  margin-top: 4px;
}

.sp-speed-desc {
  font-size: 12px;
  color: var(--text-secondary, #64748b);
  margin-top: 8px;
  text-align: center;
}

/* ── 预设按钮 ── */

.sp-presets {
  background: var(--bg-secondary, #f8fafc);
  border-radius: var(--radius-md, 12px);
  padding: 14px 16px;
}

.sp-presets-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary, #64748b);
  margin-bottom: 10px;
}

.sp-presets-row {
  display: flex;
  gap: 8px;
}

.sp-preset-btn {
  flex: 1;
  padding: 8px 0;
  font-size: 13px;
  font-weight: 600;
  background: var(--bg-surface, #ffffff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  color: var(--text-secondary, #64748b);
  cursor: pointer;
  transition: all 0.2s ease;
}

.sp-preset-btn:hover {
  border-color: var(--primary, #6366f1);
  color: var(--primary, #6366f1);
  background: var(--primary-soft, #eef2ff);
}

.sp-preset-btn.active {
  background: var(--primary, #6366f1);
  color: var(--text-inverse, #ffffff);
  border-color: var(--primary, #6366f1);
}

/* ── 音调修正 ── */

.sp-pitch-section {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-secondary, #f8fafc);
  border-radius: var(--radius-md, 12px);
  padding: 14px 16px;
}

.sp-pitch-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sp-pitch-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary, #1e293b);
}

.sp-pitch-desc {
  font-size: 11px;
  color: var(--text-tertiary, #94a3b8);
}

/* ── 调速底部 ── */

.sp-footer {
  display: flex;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--border-light, #f1f5f9);
}

.sp-reset-btn {
  flex: 1;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 500;
  background: var(--bg-secondary, #f1f5f9);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  color: var(--text-secondary, #64748b);
  cursor: pointer;
  transition: all 0.2s ease;
}

.sp-reset-btn:hover {
  background: var(--bg-primary, #e2e8f0);
  color: var(--text-primary, #1e293b);
}

.sp-apply-all-btn {
  flex: 1;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 600;
  background: var(--primary-soft, #eef2ff);
  border: 1px solid var(--primary-light, #a5b4fc);
  border-radius: var(--radius-xs, 8px);
  color: var(--primary, #6366f1);
  cursor: pointer;
  transition: all 0.2s ease;
}

.sp-apply-all-btn:hover {
  background: var(--primary, #6366f1);
  color: var(--text-inverse, #ffffff);
}

/* ═══════════════════════════════════════
   时间线 — 转场指示器 + 速度徽章
   ═══════════════════════════════════════ */

.ep-transition-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 36px;
  padding: 4px 6px;
  background: var(--primary-soft, #eef2ff);
  border: 1px solid var(--primary-light, #c7d2fe);
  border-radius: var(--radius-xs, 6px);
  flex-shrink: 0;
  cursor: default;
}

.ep-trans-icon {
  font-size: 14px;
  line-height: 1;
}

.ep-trans-duration {
  font-size: 9px;
  font-weight: 600;
  color: var(--primary, #6366f1);
  white-space: nowrap;
}

.ep-speed-badge {
  position: absolute;
  top: 4px;
  right: 22px;
  padding: 1px 5px;
  font-size: 10px;
  font-weight: 700;
  color: var(--text-inverse, #ffffff);
  background: rgba(99, 102, 241, 0.85);
  border-radius: 4px;
  line-height: 1.4;
  pointer-events: none;
}

/* ═══════════════════════════════════════
   片段详情 — 转场/调速入口按钮
   ═══════════════════════════════════════ */

.ep-advanced-btn--transition,
.ep-advanced-btn--speed {
  justify-content: flex-start;
  gap: 8px;
  padding: 10px 12px;
  font-size: 12px;
}

.ep-advanced-btn-icon {
  font-size: 16px;
  flex-shrink: 0;
}

.ep-advanced-btn-label {
  font-weight: 600;
  flex-shrink: 0;
}

.ep-advanced-btn-value {
  flex: 1;
  text-align: right;
  font-weight: 500;
  opacity: 0.8;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ep-advanced-btn-arrow {
  font-size: 16px;
  font-weight: 300;
  opacity: 0.5;
  flex-shrink: 0;
}

/* ═══ TTS 配音面板 Drawer ═══ */

.tts-panel-drawer .ant-drawer-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ── 配音模式切换 ── */

.tts-mode-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tts-mode-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary, #1f2937);
}

.tts-mode-group {
  display: flex;
  gap: 8px;
}

.tts-mode-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 8px;
  border: 1px solid var(--border-primary, #e5e7eb);
  border-radius: var(--radius-md, 8px);
  background: var(--bg-surface, #fff);
  color: var(--text-secondary, #6b7280);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 12px;
}

.tts-mode-btn:hover {
  border-color: var(--primary-300, #93c5fd);
  color: var(--primary-600, #2563eb);
  background: var(--primary-50, #eff6ff);
}

.tts-mode-btn.active {
  border-color: var(--primary-500, #3b82f6);
  color: var(--primary-600, #2563eb);
  background: var(--primary-50, #eff6ff);
  font-weight: 600;
}

.tts-mode-icon {
  font-size: 20px;
}

.tts-mode-text {
  font-size: 12px;
}

/* ── 文本输入 ── */

.tts-text-section {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tts-text-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tts-text-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary, #1f2937);
}

.tts-text-count {
  font-size: 12px;
  color: var(--text-tertiary, #9ca3af);
}

.tts-text-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-primary, #e5e7eb);
  border-radius: var(--radius-md, 8px);
  background: var(--bg-surface, #fff);
  color: var(--text-primary, #1f2937);
  font-size: 13px;
  line-height: 1.5;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s;
  font-family: inherit;
}

.tts-text-input:focus {
  border-color: var(--primary-500, #3b82f6);
  box-shadow: 0 0 0 2px var(--primary-100, #dbeafe);
}

.tts-text-input::placeholder {
  color: var(--text-tertiary, #9ca3af);
}

/* ── 音色选择 ── */

.tts-voice-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tts-voice-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary, #1f2937);
  display: flex;
  align-items: center;
  gap: 8px;
}

.tts-voice-loading {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-tertiary, #9ca3af);
}

.tts-voice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.tts-voice-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 6px;
  border: 1px solid var(--border-primary, #e5e7eb);
  border-radius: var(--radius-md, 8px);
  background: var(--bg-surface, #fff);
  color: var(--text-secondary, #6b7280);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 12px;
}

.tts-voice-card:hover:not(:disabled) {
  border-color: var(--primary-300, #93c5fd);
  color: var(--primary-600, #2563eb);
  background: var(--primary-50, #eff6ff);
}

.tts-voice-card.active {
  border-color: var(--primary-500, #3b82f6);
  color: var(--primary-600, #2563eb);
  background: var(--primary-50, #eff6ff);
  font-weight: 600;
}

.tts-voice-card:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.tts-voice-card-icon {
  font-size: 22px;
}

.tts-voice-card-name {
  font-size: 11px;
  text-align: center;
}

/* ── 滑块区域 ── */

.tts-slider-section {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tts-slider-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tts-slider-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary, #1f2937);
}

.tts-slider-value {
  font-size: 12px;
  font-weight: 500;
  color: var(--primary-600, #2563eb);
  min-width: 50px;
  text-align: right;
}

.tts-slider-marks {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-tertiary, #9ca3af);
  padding: 0 2px;
}

/* ── 试听按钮 ── */

.tts-preview-section {
  display: flex;
  justify-content: center;
}

.tts-preview-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 24px;
  border: 1px solid var(--primary-500, #3b82f6);
  border-radius: var(--radius-md, 8px);
  background: var(--primary-50, #eff6ff);
  color: var(--primary-600, #2563eb);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tts-preview-btn:hover:not(:disabled) {
  background: var(--primary-100, #dbeafe);
}

.tts-preview-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── 字幕联动 ── */

.tts-subtitle-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border: 1px solid var(--border-primary, #e5e7eb);
  border-radius: var(--radius-md, 8px);
  background: var(--bg-surface, #fff);
}

.tts-subtitle-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tts-subtitle-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary, #1f2937);
}

.tts-subtitle-desc {
  font-size: 11px;
  color: var(--text-tertiary, #9ca3af);
}

/* ── 上传配音提示 ── */

.tts-upload-hint {
  padding: 16px;
  border: 1px dashed var(--border-primary, #e5e7eb);
  border-radius: var(--radius-md, 8px);
  background: var(--bg-secondary, #f9fafb);
}

.tts-upload-hint p {
  font-size: 13px;
  color: var(--text-secondary, #6b7280);
  margin: 0 0 6px;
  line-height: 1.5;
}

.tts-upload-hint p:last-child {
  margin-bottom: 0;
}

/* ── 底部操作 ── */

.tts-footer {
  display: flex;
  justify-content: center;
  padding-top: 4px;
}

.tts-reset-btn {
  padding: 6px 20px;
  border: 1px solid var(--border-primary, #e5e7eb);
  border-radius: var(--radius-md, 8px);
  background: var(--bg-surface, #fff);
  color: var(--text-secondary, #6b7280);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tts-reset-btn:hover {
  border-color: var(--border-primary, #d1d5db);
  color: var(--text-primary, #1f2937);
  background: var(--bg-secondary, #f9fafb);
}

/* ═══════════════════════════════════════
   水印配置面板 Drawer
   ═══════════════════════════════════════ */

.watermark-panel-drawer .ant-drawer-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow-y: auto;
}

.watermark-panel-drawer .ant-drawer-body::-webkit-scrollbar {
  width: 5px;
}

.watermark-panel-drawer .ant-drawer-body::-webkit-scrollbar-thumb {
  background: var(--border-color, #e2e8f0);
  border-radius: 3px;
}

/* ── Tab 切换 ── */

.wp-tabs {
  display: flex;
  gap: 0;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  overflow: hidden;
  margin-bottom: 16px;
}

.wp-tab {
  flex: 1;
  padding: 8px 6px;
  font-size: 11px;
  font-weight: 500;
  background: var(--bg-primary, #ffffff);
  border: none;
  border-right: 1px solid var(--border-color, #e2e8f0);
  color: var(--text-secondary, #64748b);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.wp-tab:last-child {
  border-right: none;
}

.wp-tab:hover {
  background: var(--primary-soft, #f8faff);
  color: var(--primary, #6366f1);
}

.wp-tab.active {
  background: var(--primary, #6366f1);
  color: var(--text-inverse, #ffffff);
}

.wp-tab-icon {
  font-size: 16px;
  line-height: 1;
}

.wp-tab-label {
  font-size: 10px;
}

/* ── 空状态 ── */

.wp-empty-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  text-align: center;
  color: var(--text-tertiary, #94a3b8);
}

.wp-empty-icon {
  font-size: 40px;
  margin-bottom: 12px;
  opacity: 0.5;
}

.wp-empty-hint p {
  margin: 0;
  font-size: 13px;
  color: var(--text-secondary, #64748b);
}

.wp-empty-desc {
  font-size: 12px !important;
  color: var(--text-tertiary, #94a3b8) !important;
  margin-top: 4px !important;
}

/* ── 配置区块 ── */

.wp-section {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.wp-common-section {
  margin-top: 8px;
}

.wp-section-divider {
  height: 1px;
  background: var(--border-light, #f1f5f9);
  margin-bottom: 8px;
}

.wp-common-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary, #64748b);
  margin-bottom: 4px;
}

/* ── 字段 ── */

.wp-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.wp-field-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary, #64748b);
}

.wp-input {
  width: 100%;
  height: 32px;
  background: var(--bg-secondary, #f8fafc);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  padding: 0 10px;
  color: var(--text-primary, #1e293b);
  font-size: 12px;
  outline: none;
  transition: all 0.2s ease;
}

.wp-input:focus {
  border-color: var(--primary, #6366f1);
  background: var(--bg-primary, #ffffff);
  box-shadow: 0 0 0 3px var(--primary-soft, #eef2ff);
}

.wp-input::placeholder {
  color: var(--text-tertiary, #94a3b8);
}

.wp-textarea {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg-secondary, #f8fafc);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  color: var(--text-primary, #1e293b);
  font-size: 12px;
  line-height: 1.5;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s;
  font-family: inherit;
}

.wp-textarea:focus {
  border-color: var(--primary, #6366f1);
  background: var(--bg-primary, #ffffff);
  box-shadow: 0 0 0 3px var(--primary-soft, #eef2ff);
}

.wp-textarea::placeholder {
  color: var(--text-tertiary, #94a3b8);
}

.wp-select {
  width: 100%;
  height: 32px;
  background: var(--bg-secondary, #f8fafc);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  padding: 0 10px;
  color: var(--text-primary, #1e293b);
  font-size: 12px;
  outline: none;
  cursor: pointer;
  transition: all 0.2s ease;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}

.wp-select:focus {
  border-color: var(--primary, #6366f1);
}

/* ── 滑块 ── */

.wp-slider-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.wp-slider {
  flex: 1;
  -webkit-appearance: none;
  height: 4px;
  background: var(--border-color, #e2e8f0);
  border-radius: 2px;
  outline: none;
}

.wp-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--primary, #6366f1);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(99, 102, 241, 0.3);
  border: 2px solid var(--text-inverse, #ffffff);
}

.wp-slider-value {
  font-size: 12px;
  color: var(--text-secondary, #64748b);
  min-width: 40px;
  text-align: right;
  font-weight: 500;
}

/* ── 颜色选择 ── */

.wp-color-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.wp-color-input {
  width: 32px;
  height: 32px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  padding: 2px;
  cursor: pointer;
  background: var(--bg-primary, #ffffff);
}

.wp-color-value {
  font-size: 12px;
  color: var(--text-secondary, #64748b);
  font-family: "SF Mono", "Fira Code", monospace;
}

/* ── 图片预览 ── */

.wp-image-preview {
  width: 100%;
  height: 80px;
  background: var(--bg-secondary, #f8fafc);
  border: 1px solid var(--border-light, #f1f5f9);
  border-radius: var(--radius-xs, 8px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: 4px;
}

.wp-image-preview img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* ── 底部操作 ── */

.wp-footer {
  display: flex;
  justify-content: center;
  padding-top: 16px;
  margin-top: 16px;
  border-top: 1px solid var(--border-light, #f1f5f9);
}

.wp-reset-btn {
  padding: 6px 20px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  background: var(--bg-secondary, #f8fafc);
  color: var(--text-secondary, #64748b);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.wp-reset-btn:hover {
  background: var(--bg-primary, #e2e8f0);
  color: var(--text-primary, #1e293b);
}

/* ═══════════════════════════════════════
   片头片尾配置面板 Drawer
   ═══════════════════════════════════════ */

.intro-outro-panel-drawer .ant-drawer-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
}

.intro-outro-panel-drawer .ant-drawer-body::-webkit-scrollbar {
  width: 5px;
}

.intro-outro-panel-drawer .ant-drawer-body::-webkit-scrollbar-thumb {
  background: var(--border-color, #e2e8f0);
  border-radius: 3px;
}

/* ── 区块 ── */

.iop-block {
  background: var(--bg-secondary, #f8fafc);
  border: 1px solid var(--border-light, #f1f5f9);
  border-radius: var(--radius-md, 12px);
  padding: 16px;
}

.iop-block-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.iop-block-icon {
  font-size: 18px;
}

.iop-block-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary, #1e293b);
}

/* ── 类型选择 ── */

.iop-kind-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.iop-kind-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 8px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  background: var(--bg-primary, #ffffff);
  color: var(--text-secondary, #64748b);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 12px;
}

.iop-kind-btn:hover {
  border-color: var(--primary-light, #a5b4fc);
  color: var(--primary, #6366f1);
  background: var(--primary-soft, #f8faff);
}

.iop-kind-btn.active {
  border-color: var(--primary, #6366f1);
  color: var(--primary, #6366f1);
  background: var(--primary-soft, #eef2ff);
  font-weight: 600;
}

.iop-kind-icon {
  font-size: 18px;
  line-height: 1;
}

.iop-kind-label {
  font-size: 11px;
}

/* ── 字段 ── */

.iop-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.iop-field-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary, #64748b);
}

.iop-input {
  width: 100%;
  height: 32px;
  background: var(--bg-primary, #ffffff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  padding: 0 10px;
  color: var(--text-primary, #1e293b);
  font-size: 12px;
  outline: none;
  transition: all 0.2s ease;
}

.iop-input:focus {
  border-color: var(--primary, #6366f1);
  background: var(--bg-primary, #ffffff);
  box-shadow: 0 0 0 3px var(--primary-soft, #eef2ff);
}

.iop-input::placeholder {
  color: var(--text-tertiary, #94a3b8);
}

.iop-select {
  width: 100%;
  height: 32px;
  background: var(--bg-primary, #ffffff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  padding: 0 10px;
  color: var(--text-primary, #1e293b);
  font-size: 12px;
  outline: none;
  cursor: pointer;
  transition: all 0.2s ease;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}

.iop-select:focus {
  border-color: var(--primary, #6366f1);
}

/* ── 滑块 ── */

.iop-slider-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.iop-slider {
  flex: 1;
  -webkit-appearance: none;
  height: 4px;
  background: var(--border-color, #e2e8f0);
  border-radius: 2px;
  outline: none;
}

.iop-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--primary, #6366f1);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(99, 102, 241, 0.3);
  border: 2px solid var(--text-inverse, #ffffff);
}

.iop-slider-value {
  font-size: 12px;
  color: var(--text-secondary, #64748b);
  min-width: 36px;
  text-align: right;
  font-weight: 500;
}

/* ── 底部操作 ── */

.iop-footer {
  display: flex;
  justify-content: center;
  padding-top: 12px;
  border-top: 1px solid var(--border-light, #f1f5f9);
}

.iop-reset-btn {
  padding: 6px 20px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  background: var(--bg-secondary, #f8fafc);
  color: var(--text-secondary, #64748b);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.iop-reset-btn:hover {
  background: var(--bg-primary, #e2e8f0);
  color: var(--text-primary, #1e293b);
}

/* ═══════════════════════════════════════════════
   画中画配置面板 (PiP Configuration Panel)
   ═══════════════════════════════════════════════ */

.pip-config-panel-drawer .ant-drawer-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* 顶部工具栏 */
.pip-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.pip-toolbar-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pip-add-btn {
  padding: 6px 14px;
  font-size: 13px;
  border: 1px dashed var(--border-color, #d9d9d9);
  border-radius: var(--radius-xs, 6px);
  background: var(--bg-secondary, #fafafa);
  color: var(--text-secondary, #666);
  cursor: pointer;
  transition: all 0.2s;
}

.pip-add-btn:hover {
  border-color: var(--color-primary, #1677ff);
  color: var(--color-primary, #1677ff);
}

.pip-enable-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary, #666);
}

/* 主体布局 */
.pip-body {
  display: flex;
  gap: 16px;
  flex: 1;
  min-height: 0;
}

/* 图层列表 */
.pip-layer-list {
  width: 180px;
  flex-shrink: 0;
  border: 1px solid var(--border-color-light, #f0f0f0);
  border-radius: var(--radius-sm, 8px);
  background: var(--bg-secondary, #fafafa);
  overflow-y: auto;
}

.pip-layer-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  cursor: pointer;
  border-bottom: 1px solid var(--border-color-light, #f0f0f0);
  transition: background 0.15s;
}

.pip-layer-item:last-child {
  border-bottom: none;
}

.pip-layer-item:hover {
  background: var(--color-primary-bg, #f0f5ff);
}

.pip-layer-item.active {
  background: var(--color-primary-bg, #e6f4ff);
  border-left: 3px solid var(--color-primary, #1677ff);
}

.pip-layer-thumb {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-xs, 4px);
  background: var(--bg-tertiary, #e8e8e8);
  object-fit: cover;
  flex-shrink: 0;
}

.pip-layer-name {
  font-size: 13px;
  color: var(--text-primary, #333);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.pip-layer-delete {
  opacity: 0;
  font-size: 14px;
  color: var(--text-tertiary, #999);
  cursor: pointer;
  transition: opacity 0.15s;
  background: none;
  border: none;
  padding: 2px;
}

.pip-layer-item:hover .pip-layer-delete {
  opacity: 1;
}

.pip-layer-delete:hover {
  color: var(--color-danger, #ff4d4f);
}

.pip-layer-empty {
  padding: 24px 16px;
  text-align: center;
  color: var(--text-tertiary, #999);
  font-size: 13px;
}

/* 配置区 */
.pip-config-area {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
}

.pip-config-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-tertiary, #999);
  font-size: 14px;
}

/* 迷你预览 */
.pip-preview-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #1a1a2e;
  border-radius: var(--radius-sm, 8px);
  overflow: hidden;
  margin-bottom: 16px;
}

.pip-preview-layer {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 2px;
  transition: all 0.2s;
}

.pip-preview-layer.selected {
  border: 2px solid var(--color-primary, #1677ff);
  box-shadow: 0 0 8px rgba(22, 119, 255, 0.4);
}

.pip-preview-label {
  position: absolute;
  bottom: 2px;
  left: 2px;
  font-size: 10px;
  color: #fff;
  background: rgba(0, 0, 0, 0.5);
  padding: 1px 4px;
  border-radius: 2px;
}

/* 配置表单 */
.pip-field {
  margin-bottom: 14px;
}

.pip-field-label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary, #666);
  margin-bottom: 6px;
}

.pip-field-row {
  display: flex;
  gap: 12px;
}

.pip-field-row > * {
  flex: 1;
}

/* 九宫格 */
.pip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  width: 120px;
}

.pip-grid-btn {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-color, #d9d9d9);
  border-radius: var(--radius-xs, 4px);
  background: var(--bg-secondary, #fafafa);
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pip-grid-btn:hover {
  border-color: var(--color-primary, #1677ff);
  background: var(--color-primary-bg, #f0f5ff);
}

.pip-grid-btn.active {
  background: var(--color-primary, #1677ff);
  border-color: var(--color-primary, #1677ff);
  color: #fff;
}

.pip-grid-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* 滑块行 */
.pip-slider-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pip-slider {
  flex: 1;
}

.pip-slider-value {
  font-size: 13px;
  color: var(--text-primary, #333);
  min-width: 40px;
  text-align: right;
}

/* 输入框 */
.pip-input {
  width: 100%;
  padding: 6px 10px;
  border: 1px solid var(--border-color, #d9d9d9);
  border-radius: var(--radius-xs, 6px);
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
  background: var(--bg-primary, #fff);
  color: var(--text-primary, #333);
}

.pip-input:focus {
  border-color: var(--color-primary, #1677ff);
}

/* 选择器 */
.pip-select {
  width: 100%;
  padding: 6px 10px;
  border: 1px solid var(--border-color, #d9d9d9);
  border-radius: var(--radius-xs, 6px);
  font-size: 13px;
  background: var(--bg-primary, #fff);
  color: var(--text-primary, #333);
  outline: none;
}

/* 数字输入 */
.pip-number {
  width: 100%;
  padding: 6px 10px;
  border: 1px solid var(--border-color, #d9d9d9);
  border-radius: var(--radius-xs, 6px);
  font-size: 13px;
  outline: none;
  background: var(--bg-primary, #fff);
  color: var(--text-primary, #333);
}

.pip-number:focus {
  border-color: var(--color-primary, #1677ff);
}

/* 比例锁 */
.pip-lock-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary, #666);
  cursor: pointer;
  user-select: none;
}

.pip-lock-icon {
  font-size: 16px;
}

/* 素材类型按钮组 */
.pip-type-btns {
  display: flex;
  gap: 8px;
}

.pip-type-btn {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border-color, #d9d9d9);
  border-radius: var(--radius-xs, 6px);
  background: var(--bg-secondary, #fafafa);
  color: var(--text-secondary, #666);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.pip-type-btn:hover {
  border-color: var(--color-primary, #1677ff);
  color: var(--color-primary, #1677ff);
}

.pip-type-btn.active {
  background: var(--color-primary, #1677ff);
  border-color: var(--color-primary, #1677ff);
  color: #fff;
}

/* 底部 */
.pip-footer {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color-light, #f0f0f0);
  display: flex;
  justify-content: flex-end;
}

.pip-reset-btn {
  padding: 6px 20px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  background: var(--bg-secondary, #f8fafc);
  color: var(--text-secondary, #64748b);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.pip-reset-btn:hover {
  background: var(--bg-primary, #e2e8f0);
  color: var(--text-primary, #1e293b);
}

/* ═══════════════════════════════════════════════════════
   滤镜调色面板 (Filter Panel)
   ═══════════════════════════════════════════════════════ */

.filter-panel-drawer .ant-drawer-body {
  padding: 16px;
}

/* 顶部开关 */
.filter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: var(--bg-secondary, #f8fafc);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-sm, 10px);
  margin-bottom: 20px;
}

.filter-header-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary, #1e293b);
}

/* 分区 */
.filter-section {
  margin-bottom: 20px;
}

.filter-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary, #64748b);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* 预设滤镜网格 */
.filter-presets {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.filter-preset-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 6px 4px;
  border: 2px solid transparent;
  border-radius: var(--radius-xs, 8px);
  background: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-preset-item:hover {
  background: var(--bg-secondary, #f8fafc);
  border-color: var(--border-color, #e2e8f0);
}

.filter-preset-item.active {
  border-color: var(--primary-color, #3b82f6);
  background: var(--primary-light, #eff6ff);
}

.filter-preset-preview {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 6px;
  background: #e8e8e8;
}

.filter-preset-label {
  font-size: 11px;
  color: var(--text-secondary, #64748b);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  text-align: center;
}

.filter-preset-item.active .filter-preset-label {
  color: var(--primary-color, #3b82f6);
  font-weight: 500;
}

/* 滑块行 */
.filter-slider-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.filter-slider-label {
  font-size: 13px;
  color: var(--text-secondary, #64748b);
  min-width: 48px;
  flex-shrink: 0;
}

.filter-slider {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: var(--border-color, #e2e8f0);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.filter-slider::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary-color, #3b82f6);
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.filter-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary-color, #3b82f6);
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.filter-slider-value {
  font-size: 13px;
  color: var(--text-primary, #1e293b);
  min-width: 36px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* 预览色块 */
.filter-preview-block {
  width: 100%;
  height: 80px;
  border-radius: var(--radius-sm, 10px);
  border: 1px solid var(--border-color, #e2e8f0);
}

/* 底部重置 */
.filter-footer {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--border-color, #e2e8f0);
  display: flex;
  justify-content: flex-end;
}

.filter-reset-btn {
  padding: 6px 16px;
  font-size: 13px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  background: var(--bg-primary, #fff);
  color: var(--text-secondary, #64748b);
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-reset-btn:hover {
  border-color: #ef4444;
  color: #ef4444;
  background: #fef2f2;
}

/* ═══════════════════════════════════════════════════════
   绿幕抠像面板 (Green Screen Panel)
   ═══════════════════════════════════════════════════════ */

.green-screen-panel-drawer .ant-drawer-body {
  padding: 16px;
}

/* 顶部开关 */
.green-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: var(--bg-secondary, #f8fafc);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-sm, 10px);
  margin-bottom: 20px;
}

.green-header-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary, #1e293b);
}

/* 分区 */
.green-section {
  margin-bottom: 20px;
}

.green-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary, #64748b);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* 颜色预设 */
.green-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.green-preset-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 2px solid transparent;
  border-radius: var(--radius-xs, 8px);
  background: var(--bg-secondary, #f8fafc);
  cursor: pointer;
  transition: all 0.2s ease;
}

.green-preset-btn:hover {
  border-color: var(--border-color, #e2e8f0);
  background: var(--bg-primary, #fff);
}

.green-preset-btn.active {
  border-color: var(--primary-color, #3b82f6);
  background: var(--primary-light, #eff6ff);
}

.green-preset-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.1);
  flex-shrink: 0;
}

.green-preset-label {
  font-size: 12px;
  color: var(--text-secondary, #64748b);
  white-space: nowrap;
}

.green-preset-btn.active .green-preset-label {
  color: var(--primary-color, #3b82f6);
  font-weight: 500;
}

/* 自定义颜色行 */
.green-color-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.green-color-picker {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 6px;
  cursor: pointer;
  padding: 2px;
  background: none;
}

.green-color-picker::-webkit-color-swatch-wrapper {
  padding: 0;
}

.green-color-picker::-webkit-color-swatch {
  border: none;
  border-radius: 4px;
}

.green-color-hex {
  flex: 1;
  padding: 8px 10px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 6px;
  font-size: 13px;
  font-family: monospace;
  color: var(--text-primary, #1e293b);
  outline: none;
  transition: border-color 0.2s;
}

.green-color-hex:focus {
  border-color: var(--primary-color, #3b82f6);
}

.green-color-swatch {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  border: 1px solid var(--border-color, #e2e8f0);
  flex-shrink: 0;
}

/* 滑块行 */
.green-slider-row {
  margin-bottom: 14px;
}

.green-slider-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.green-slider-label {
  font-size: 13px;
  color: var(--text-secondary, #64748b);
}

.green-slider-value {
  font-size: 13px;
  color: var(--text-primary, #1e293b);
  font-variant-numeric: tabular-nums;
}

.green-slider {
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--border-color, #e2e8f0);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.green-slider::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary-color, #3b82f6);
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.green-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary-color, #3b82f6);
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.green-slider-desc {
  font-size: 11px;
  color: var(--text-tertiary, #94a3b8);
  margin-top: 4px;
}

/* 预览区 */
.green-preview-box {
  position: relative;
  width: 100%;
  height: 100px;
  border-radius: var(--radius-sm, 10px);
  border: 1px solid var(--border-color, #e2e8f0);
  overflow: hidden;
  background: #f0fdf4;
}

.green-preview-bg {
  position: absolute;
  inset: 0;
}

.green-preview-subject {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.green-preview-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  border: 2px solid rgba(0, 0, 0, 0.1);
  margin-bottom: 6px;
}

.green-preview-text {
  font-size: 12px;
  color: var(--text-secondary, #64748b);
  font-weight: 500;
}

.green-preview-edge {
  position: absolute;
  inset: 8px;
  border: 3px solid transparent;
  border-radius: var(--radius-xs, 8px);
  pointer-events: none;
}

/* 底部重置 */
.green-footer {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--border-color, #e2e8f0);
  display: flex;
  justify-content: flex-end;
}

.green-reset-btn {
  padding: 6px 16px;
  font-size: 13px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  background: var(--bg-primary, #fff);
  color: var(--text-secondary, #64748b);
  cursor: pointer;
  transition: all 0.2s ease;
}

.green-reset-btn:hover {
  border-color: #ef4444;
  color: #ef4444;
  background: #fef2f2;
}

/* ═══════════════════════════════════════════════════════════════
   贴纸配置面板 (StickerPanel)
   ═══════════════════════════════════════════════════════════════ */

.sticker-panel-drawer .ant-drawer-body {
  padding: 16px;
}

/* 顶部开关 */
.sticker-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding: 10px 12px;
  background: var(--bg-secondary, #f8fafc);
  border-radius: var(--radius-xs, 8px);
  border: 1px solid var(--border-color, #e2e8f0);
}

.sticker-header-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary, #1e293b);
}

/* 类型 Tab */
.sticker-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  background: var(--bg-secondary, #f8fafc);
  border-radius: var(--radius-xs, 8px);
  padding: 4px;
  border: 1px solid var(--border-color, #e2e8f0);
}

.sticker-tab {
  flex: 1;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 500;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-secondary, #64748b);
  cursor: pointer;
  transition: all 0.2s ease;
}

.sticker-tab:hover {
  color: var(--text-primary, #1e293b);
  background: rgba(255, 255, 255, 0.6);
}

.sticker-tab.active {
  background: var(--primary-color, #3b82f6);
  color: #fff;
  box-shadow: 0 1px 3px rgba(59, 130, 246, 0.3);
}

/* Tab 内容区 */
.sticker-tab-content {
  margin-bottom: 16px;
}

/* Emoji 网格 */
.sticker-emoji-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
}

.sticker-emoji-btn {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 8px;
  background: var(--bg-primary, #fff);
  cursor: pointer;
  transition: all 0.15s ease;
}

.sticker-emoji-btn:hover {
  transform: scale(1.15);
  border-color: var(--primary-color, #3b82f6);
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2);
}

/* 图片贴纸 URL 输入 */
.sticker-image-input {
  display: flex;
  gap: 8px;
}

.sticker-url-input {
  flex: 1;
  padding: 8px 12px;
  font-size: 13px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  background: var(--bg-primary, #fff);
  outline: none;
  transition: border-color 0.2s;
}

.sticker-url-input:focus {
  border-color: var(--primary-color, #3b82f6);
}

.sticker-url-add-btn {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-xs, 8px);
  background: var(--primary-color, #3b82f6);
  color: #fff;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}

.sticker-url-add-btn:hover {
  background: #2563eb;
}

/* 文字花字 */
.sticker-text-section {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sticker-text-input-row {
  display: flex;
  gap: 8px;
}

.sticker-text-input {
  flex: 1;
  padding: 8px 12px;
  font-size: 13px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  background: var(--bg-primary, #fff);
  outline: none;
  transition: border-color 0.2s;
}

.sticker-text-input:focus {
  border-color: var(--primary-color, #3b82f6);
}

.sticker-text-add-btn {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-xs, 8px);
  background: var(--primary-color, #3b82f6);
  color: #fff;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}

.sticker-text-add-btn:hover:not(:disabled) {
  background: #2563eb;
}

.sticker-text-add-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 花字预设 */
.sticker-preset-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary, #64748b);
  margin-bottom: 8px;
}

.sticker-preset-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.sticker-preset-preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 6px;
  border-radius: 8px;
  border: 1px solid var(--border-color, #e2e8f0);
  cursor: pointer;
  transition: all 0.15s ease;
  min-height: 56px;
}

.sticker-preset-preview:hover {
  transform: scale(1.05);
  border-color: var(--primary-color, #3b82f6);
}

.sticker-preset-preview span {
  font-size: 14px;
  font-weight: 600;
}

.sticker-preset-name {
  font-size: 10px;
  color: var(--text-tertiary, #94a3b8);
  margin-top: 4px;
  text-align: center;
}

/* 已添加贴纸列表 */
.sticker-list-section {
  margin-bottom: 16px;
}

.sticker-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary, #64748b);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sticker-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 180px;
  overflow-y: auto;
}

.sticker-list-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-color, #e2e8f0);
  background: var(--bg-primary, #fff);
  cursor: pointer;
  transition: all 0.15s ease;
}

.sticker-list-item:hover {
  border-color: var(--primary-color, #3b82f6);
  background: var(--bg-hover, #f1f5f9);
}

.sticker-list-item.active {
  border-color: var(--primary-color, #3b82f6);
  background: rgba(59, 130, 246, 0.08);
}

.sticker-list-icon {
  font-size: 16px;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.sticker-list-name {
  flex: 1;
  font-size: 13px;
  color: var(--text-primary, #1e293b);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sticker-list-delete {
  opacity: 0;
  font-size: 14px;
  color: var(--text-tertiary, #94a3b8);
  cursor: pointer;
  transition: all 0.15s;
  background: none;
  border: none;
  padding: 2px 4px;
}

.sticker-list-item:hover .sticker-list-delete {
  opacity: 1;
}

.sticker-list-delete:hover {
  color: #ef4444;
}

/* 属性编辑 */
.sticker-props-section {
  margin-bottom: 16px;
  padding: 12px;
  background: var(--bg-secondary, #f8fafc);
  border-radius: var(--radius-xs, 8px);
  border: 1px solid var(--border-color, #e2e8f0);
}

.sticker-prop-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.sticker-prop-label {
  font-size: 12px;
  color: var(--text-secondary, #64748b);
  min-width: 36px;
  flex-shrink: 0;
}

.sticker-prop-slider {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: var(--border-color, #e2e8f0);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.sticker-prop-slider::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary-color, #3b82f6);
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.sticker-prop-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary-color, #3b82f6);
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.sticker-prop-value {
  font-size: 12px;
  color: var(--text-primary, #1e293b);
  min-width: 40px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.sticker-prop-number {
  width: 70px;
  padding: 4px 8px;
  font-size: 12px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 6px;
  background: var(--bg-primary, #fff);
  outline: none;
  text-align: center;
}

.sticker-prop-number:focus {
  border-color: var(--primary-color, #3b82f6);
}

.sticker-prop-select {
  flex: 1;
  padding: 4px 8px;
  font-size: 12px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 6px;
  background: var(--bg-primary, #fff);
  outline: none;
}

.sticker-prop-color {
  width: 32px;
  height: 32px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 6px;
  padding: 2px;
  cursor: pointer;
  background: var(--bg-primary, #fff);
}

/* 预览框 */
.sticker-preview-box {
  position: relative;
  width: 100%;
  height: 120px;
  border-radius: var(--radius-sm, 10px);
  border: 1px solid var(--border-color, #e2e8f0);
  background: #1a1a2e;
  overflow: hidden;
  margin-top: 12px;
}

.sticker-preview-item {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  pointer-events: none;
}

/* 底部 */
.sticker-footer {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border-color, #e2e8f0);
  display: flex;
  justify-content: flex-end;
}

.sticker-reset-btn {
  padding: 6px 16px;
  font-size: 13px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  background: var(--bg-primary, #fff);
  color: var(--text-secondary, #64748b);
  cursor: pointer;
  transition: all 0.2s ease;
}

.sticker-reset-btn:hover {
  border-color: #ef4444;
  color: #ef4444;
  background: #fef2f2;
}

/* ═══════════════════════════════════════════════════════════════
   封面选择器 (CoverSelector)
   ═══════════════════════════════════════════════════════════════ */

.cover-selector-drawer .ant-drawer-body {
  padding: 16px;
}

/* 顶部开关 */
.cover-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding: 10px 12px;
  background: var(--bg-secondary, #f8fafc);
  border-radius: var(--radius-xs, 8px);
  border: 1px solid var(--border-color, #e2e8f0);
}

.cover-header-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary, #1e293b);
}

/* 原生 checkbox 开关 */
.cover-switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 22px;
}

.cover-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.cover-switch-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--border-color, #e2e8f0);
  border-radius: 22px;
  transition: 0.3s;
}

.cover-switch-slider::before {
  content: "";
  position: absolute;
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: 0.3s;
}

.cover-switch input:checked + .cover-switch-slider {
  background: var(--primary-color, #3b82f6);
}

.cover-switch input:checked + .cover-switch-slider::before {
  transform: translateX(18px);
}

/* 模式选择 */
.cover-mode-section {
  margin-bottom: 16px;
}

.cover-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary, #64748b);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cover-mode-tabs {
  display: flex;
  gap: 6px;
}

.cover-mode-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 8px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 8px;
  background: var(--bg-primary, #fff);
  color: var(--text-secondary, #64748b);
  cursor: pointer;
  transition: all 0.2s ease;
}

.cover-mode-tab:hover {
  border-color: var(--primary-color, #3b82f6);
  color: var(--primary-color, #3b82f6);
}

.cover-mode-tab.active {
  border-color: var(--primary-color, #3b82f6);
  background: rgba(59, 130, 246, 0.08);
  color: var(--primary-color, #3b82f6);
}

.cover-mode-icon {
  font-size: 20px;
}

.cover-mode-label {
  font-size: 11px;
}

/* 模式内容区 */
.cover-mode-content {
  margin-bottom: 16px;
}

/* 智能封面 */
.cover-auto-section {
  padding: 12px;
  background: var(--bg-secondary, #f8fafc);
  border-radius: var(--radius-xs, 8px);
  border: 1px solid var(--border-color, #e2e8f0);
}

.cover-auto-desc {
  font-size: 13px;
  color: var(--text-secondary, #64748b);
  line-height: 1.5;
  margin-bottom: 12px;
}

.cover-auto-suggestion {
  padding: 10px;
  background: rgba(59, 130, 246, 0.06);
  border-radius: 6px;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.cover-auto-badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  color: var(--primary-color, #3b82f6);
  background: rgba(59, 130, 246, 0.1);
  border-radius: 4px;
  margin-bottom: 6px;
}

.cover-auto-time {
  font-size: 13px;
  color: var(--text-primary, #1e293b);
  margin-bottom: 8px;
}

.cover-auto-use-btn {
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid var(--primary-color, #3b82f6);
  border-radius: 6px;
  background: var(--bg-primary, #fff);
  color: var(--primary-color, #3b82f6);
  cursor: pointer;
  transition: all 0.2s;
}

.cover-auto-use-btn:hover {
  background: var(--primary-color, #3b82f6);
  color: #fff;
}

.cover-auto-pending {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-tertiary, #94a3b8);
}

.cover-auto-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-color, #e2e8f0);
  border-top-color: var(--primary-color, #3b82f6);
  border-radius: 50%;
  animation: cover-spin 0.8s linear infinite;
}

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

/* 抽帧选封面 */
.cover-frame-section {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cover-frame-preview {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius-sm, 10px);
  border: 1px solid var(--border-color, #e2e8f0);
  overflow: hidden;
  background: #1a1a2e;
}

.cover-frame-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.cover-frame-icon {
  font-size: 32px;
}

.cover-frame-time {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  font-variant-numeric: tabular-nums;
}

.cover-frame-timeline {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cover-frame-slider-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cover-frame-slider-label {
  font-size: 12px;
  color: var(--text-secondary, #64748b);
}

.cover-frame-slider-value {
  font-size: 12px;
  color: var(--text-primary, #1e293b);
  font-variant-numeric: tabular-nums;
}

.cover-frame-slider {
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--border-color, #e2e8f0);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.cover-frame-slider::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary-color, #3b82f6);
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.cover-frame-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary-color, #3b82f6);
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.cover-frame-range {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-tertiary, #94a3b8);
  font-variant-numeric: tabular-nums;
}

/* 快捷选帧 */
.cover-frame-quick {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.cover-quick-label {
  font-size: 12px;
  color: var(--text-secondary, #64748b);
}

.cover-quick-btn {
  padding: 4px 10px;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 6px;
  background: var(--bg-primary, #fff);
  color: var(--text-secondary, #64748b);
  cursor: pointer;
  transition: all 0.15s;
}

.cover-quick-btn:hover {
  border-color: var(--primary-color, #3b82f6);
  color: var(--primary-color, #3b82f6);
}

/* 上传封面 */
.cover-upload-section {
  margin-bottom: 16px;
}

.cover-upload-area {
  width: 100%;
  min-height: 140px;
  border: 2px dashed var(--border-color, #e2e8f0);
  border-radius: var(--radius-sm, 10px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--bg-secondary, #f8fafc);
}

.cover-upload-area:hover {
  border-color: var(--primary-color, #3b82f6);
  background: rgba(59, 130, 246, 0.04);
}

.cover-upload-area.dragging {
  border-color: var(--primary-color, #3b82f6);
  background: rgba(59, 130, 246, 0.08);
}

.cover-upload-preview {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cover-upload-preview img {
  max-width: 100%;
  max-height: 160px;
  border-radius: 6px;
  object-fit: contain;
}

.cover-upload-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  border-radius: 6px;
  opacity: 0;
  transition: opacity 0.2s;
}

.cover-upload-area:hover .cover-upload-overlay {
  opacity: 1;
}

.cover-upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 20px;
}

.cover-upload-icon {
  font-size: 32px;
}

.cover-upload-text {
  font-size: 13px;
  color: var(--text-secondary, #64748b);
  font-weight: 500;
}

.cover-upload-hint {
  font-size: 11px;
  color: var(--text-tertiary, #94a3b8);
}

/* 封面预览 */
.cover-preview-section {
  margin-bottom: 16px;
}

.cover-preview-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius-sm, 10px);
  border: 1px solid var(--border-color, #e2e8f0);
  overflow: hidden;
  background: #1a1a2e;
}

.cover-preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cover-preview-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.cover-preview-icon {
  font-size: 32px;
}

.cover-preview-text {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

.cover-preview-ratio {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  color: #fff;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 4px;
}

/* 底部 */
.cover-footer {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border-color, #e2e8f0);
  display: flex;
  justify-content: flex-end;
}

.cover-reset-btn {
  padding: 6px 16px;
  font-size: 13px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-xs, 8px);
  background: var(--bg-primary, #fff);
  color: var(--text-secondary, #64748b);
  cursor: pointer;
  transition: all 0.2s ease;
}

.cover-reset-btn:hover {
  border-color: #ef4444;
  color: #ef4444;
  background: #fef2f2;
}