/**
 * 智能剪辑页面 — V21 原型 1:1 还原样式
 * 对照 frontend-v21-ui-prototype-final.html #view-generate
 */
@import "../../styles/global.css";

/* ============================================================
   页面容器
   ============================================================ */
.xx-generate-page {
  min-height: 100%;
  padding: var(--space-xl);
  max-width: 1400px;
  margin: 0 auto;
}

/* ============================================================
   页头
   ============================================================ */
.xx-generate-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.xx-generate-head h2 {
  margin: 0 0 4px;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.xx-generate-head p {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--font-size-base);
}

/* ============================================================
   步骤条 steps-bar
   ============================================================ */
.xx-steps-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
}

.xx-step-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.xx-step-item:hover {
  background: var(--bg-secondary);
}

.xx-step-item.active {
  background: var(--primary-soft);
  color: var(--primary-color);
}

.xx-step-item.done {
  color: var(--secondary-color);
}

.xx-step-num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.xx-step-item.active .xx-step-num {
  background: var(--primary-color);
  color: var(--text-inverse);
}

.xx-step-item.done .xx-step-num {
  background: var(--secondary-color);
  color: var(--text-inverse);
}

.xx-step-arrow {
  color: var(--text-disabled);
  font-size: 14px;
  user-select: none;
}

/* ============================================================
   主布局 generate-layout
   ============================================================ */
.xx-generate-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 24px;
  align-items: start;
}

.xx-generate-layout.full-width {
  grid-template-columns: 1fr;
}

.xx-generate-layout.full-width .xx-generate-right-col {
  display: none;
}

/* ============================================================
   左侧表单区 generate-form
   ============================================================ */
.xx-generate-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── form-section 卡片 ── */
.xx-form-section {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
}

.xx-form-section h3 {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

/* ── form-field ── */
.xx-form-field {
  margin-bottom: 14px;
}

.xx-form-field:last-child {
  margin-bottom: 0;
}

.xx-form-field label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--text-primary);
}

.xx-form-field select,
.xx-form-field input {
  width: 100%;
  height: 44px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  padding: 0 14px;
  font-size: 14px;
  outline: 0;
  transition: 0.15s ease;
  color: var(--text-primary);
}

.xx-form-field select:focus,
.xx-form-field input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* ── form-row（双列） ── */
.xx-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* ============================================================
   choice-list 卡片式选择
   ============================================================ */
.xx-choice-list {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
}

.xx-choice-item {
  position: relative;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px;
  cursor: pointer;
  transition: 0.18s ease;
  text-align: center;
}

.xx-choice-item:hover {
  border-color: var(--info-border);
}

.xx-choice-item.selected {
  border-color: var(--primary-color);
  background: var(--primary-soft);
}

.xx-choice-thumb {
  width: 33%;
  max-width: 52px;
  height: 24px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: var(--text-inverse);
  font-size: 12px;
  font-weight: 700;
  margin: 0 auto 4px;
}

.xx-choice-item h4 {
  margin: 0 0 2px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.xx-choice-item p {
  margin: 0;
  font-size: 12px;
  color: var(--text-tertiary);
}

.xx-choice-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary-color);
  color: var(--text-inverse);
  display: none;
  place-items: center;
  font-size: 12px;
  position: absolute;
  right: -6px;
  top: -6px;
}

.xx-choice-item.selected .xx-choice-check {
  display: grid;
}

/* ============================================================
   Pill 标签
   ============================================================ */
.xx-pill {
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 999px;
  font-weight: 700;
  display: inline-block;
}

.xx-pill-ok {
  background: var(--success-soft);
  color: var(--secondary-dark);
}

.xx-pill-info {
  background: var(--info-soft);
  color: var(--info-color);
}

/* ============================================================
   AI 智能配音推荐
   ============================================================ */
.xx-voice-recommend-section {
  padding: 16px;
  background: linear-gradient(135deg, #f0f4ff 0%, #faf5ff 100%);
  border: 1px solid var(--border-primary, #e2e8f0);
  border-radius: 14px;
  margin-bottom: 16px;
}

.xx-voice-recommend-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.xx-voice-recommend-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary, #1e293b);
}

.xx-voice-recommend-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.xx-voice-recommend-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: #fff;
  border: 2px solid var(--border-primary, #e2e8f0);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.xx-voice-recommend-card:hover {
  border-color: var(--primary-color, #4f46e5);
  transform: translateX(2px);
}

.xx-voice-recommend-card.selected {
  border-color: var(--primary-color, #4f46e5);
  background: var(--primary-soft, #eef2ff);
}

.xx-voice-recommend-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #a5b4fc, #c4b5fd);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.xx-voice-recommend-info {
  flex: 1;
  min-width: 0;
}

.xx-voice-recommend-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary, #1e293b);
  margin-bottom: 2px;
}

.xx-voice-recommend-desc {
  font-size: 11px;
  color: var(--text-tertiary, #94a3b8);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.xx-voice-recommend-check {
  width: 20px;
  height: 20px;
  background: var(--primary-color, #4f46e5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.xx-voice-recommend-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  font-size: 13px;
  color: var(--text-secondary, #64748b);
}

.xx-voice-recommend-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  font-size: 12px;
  color: var(--text-tertiary, #94a3b8);
}

/* ============================================================
   配音卡片（步骤4 choice-list 变体）
   ============================================================ */
.xx-voice-choice-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.xx-voice-choice-item {
  position: relative;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  cursor: pointer;
  transition: 0.18s ease;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 12px;
}

.xx-voice-choice-item:hover {
  border-color: var(--info-border);
}

.xx-voice-choice-item.selected {
  border-color: var(--primary-color);
  background: var(--primary-soft);
}

.xx-voice-choice-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: var(--text-inverse);
  display: grid;
  place-items: center;
  font-size: 18px;
  flex-shrink: 0;
}

.xx-voice-choice-info h4 {
  margin: 0 0 2px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.xx-voice-choice-info p {
  margin: 0;
  font-size: 11px;
  color: var(--text-tertiary);
}

.xx-voice-choice-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary-color);
  color: var(--text-inverse);
  display: none;
  place-items: center;
  font-size: 12px;
  position: absolute;
  right: -6px;
  top: -6px;
}

.xx-voice-choice-item.selected .xx-voice-choice-check {
  display: grid;
}

/* ── 克隆声音区域 ── */
.xx-clone-section {
  margin-top: 16px;
  padding: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.xx-clone-section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 8px;
}

.xx-clone-voices-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.xx-clone-voice-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: 0.15s ease;
}

.xx-clone-voice-row:hover {
  border-color: var(--primary-color);
}

.xx-clone-voice-row.selected {
  border-color: var(--primary-color);
  background: var(--primary-soft);
}

.xx-clone-voice-row.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.xx-clone-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 14px;
  flex-shrink: 0;
}

.xx-clone-avatar.ready {
  background: linear-gradient(135deg, var(--color-secondary-500), var(--color-secondary-600));
  color: var(--text-inverse);
}

.xx-clone-avatar.processing {
  background: linear-gradient(135deg, var(--color-accent-500), var(--color-accent-600));
  color: var(--text-inverse);
  animation: xx-clone-pulse 2s ease-in-out infinite;
}

.xx-clone-avatar.failed {
  background: linear-gradient(135deg, var(--color-gray-400), var(--color-gray-500));
  color: var(--text-inverse);
}

@keyframes xx-clone-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

.xx-clone-info {
  flex: 1;
  min-width: 0;
}

.xx-clone-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

/* ── 克隆音色试听播放按钮 ── */
.xx-clone-voice-play-btn {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: var(--primary-color);
  color: #fff;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-right: 4px;
}

.xx-clone-voice-play-btn:hover {
  transform: scale(1.1);
  background: var(--primary-hover);
}

.xx-clone-voice-row.selected .xx-clone-voice-play-btn {
  margin-right: 8px;
}

.xx-clone-status {
  font-size: 11px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.xx-clone-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── 克隆进度条 ── */
.xx-clone-progress {
  position: relative;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  margin-top: 6px;
  overflow: hidden;
}

.xx-clone-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--warning-color), var(--success-color));
  border-radius: 3px;
  transition: width 0.5s ease;
}

.xx-clone-progress--indeterminate .xx-clone-progress-bar {
  width: 100%;
  background: repeating-linear-gradient(
    90deg,
    var(--warning-color) 0%,
    var(--warning-color) 25%,
    var(--success-color) 25%,
    var(--success-color) 50%,
    var(--warning-color) 50%
  );
  background-size: 60px 100%;
  animation: xx-clone-progress-flow 1.2s linear infinite;
}

@keyframes xx-clone-progress-flow {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 60px 0;
  }
}

.xx-clone-progress-text {
  position: absolute;
  right: 0;
  top: -14px;
  font-size: 10px;
  color: var(--warning-color);
  font-weight: 600;
}

/* ── 轮询提示 ── */
.xx-clone-polling-hint {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  font-size: 12px;
  color: var(--warning-color);
  background: rgba(245, 158, 11, 0.08);
  border-radius: var(--radius-sm);
  animation: xx-fade 2s ease-in-out infinite;
}

.xx-clone-polling-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--warning-color);
  animation: xx-blink 1.5s ease-in-out infinite;
}

@keyframes xx-fade {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

@keyframes xx-blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

/* ============================================================
   生成进度 / 结果卡片
   ============================================================ */
.xx-gen-progress-card {
  padding: 16px;
  background: linear-gradient(135deg, #eff6ff 0%, #eef2ff 100%);
  border: 1px solid #bfdbfe;
  border-radius: 12px;
}

.xx-gen-progress-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.xx-gen-progress-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color, #4f46e5);
  font-size: 18px;
  flex-shrink: 0;
}

.xx-gen-progress-info {
  flex: 1;
  min-width: 0;
}

.xx-gen-progress-phase {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary, #1e293b);
  margin-bottom: 2px;
}

.xx-gen-progress-sub {
  font-size: 12px;
  color: var(--text-secondary, #64748b);
}

.xx-gen-progress-percent {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-color, #4f46e5);
  flex-shrink: 0;
}

.xx-gen-progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(79, 70, 229, 0.15);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 10px;
}

.xx-gen-progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #4f46e5, #7c3aed);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.xx-gen-progress-tip {
  font-size: 12px;
  color: var(--text-tertiary, #94a3b8);
  text-align: center;
}

.xx-gen-success-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 12px;
}

.xx-gen-success-icon {
  flex-shrink: 0;
}

.xx-gen-success-info {
  flex: 1;
  min-width: 0;
}

.xx-gen-success-title {
  font-size: 15px;
  font-weight: 600;
  color: #166534;
  margin-bottom: 4px;
}

.xx-gen-success-sub {
  font-size: 12px;
  color: #15803d;
}

.xx-gen-error-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 12px;
}

.xx-gen-error-icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.xx-gen-error-info {
  flex: 1;
  min-width: 0;
}

.xx-gen-error-title {
  font-size: 14px;
  font-weight: 600;
  color: #991b1b;
  margin-bottom: 4px;
}

.xx-gen-error-msg {
  font-size: 12px;
  color: #b91c1c;
  line-height: 1.5;
  word-break: break-all;
}

/* ============================================================
   确认生成（步骤5）摘要
   ============================================================ */
.xx-summary-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 16px;
}

.xx-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
}

.xx-summary-row + .xx-summary-row {
  border-top: 1px solid var(--border-color);
}

.xx-summary-label {
  color: var(--text-tertiary);
  font-size: 13px;
}

.xx-summary-value {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
}

/* ============================================================
   底部操作按钮
   ============================================================ */
.xx-step-actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.xx-step-actions .xx-btn-ghost {
  flex: 0 0 auto;
}

.xx-step-actions .xx-btn-primary {
  flex: 1;
}

/* ============================================================
   右侧预览区 generate-preview
   ============================================================ */
.xx-generate-preview {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  position: sticky;
  top: 92px;
}

/* ── 视频预览 ── */
.xx-preview-video {
  aspect-ratio: 9 / 16;
  max-height: 400px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-gray-900), var(--color-primary-900));
  color: var(--text-inverse);
  font-size: 36px;
  position: relative;
  overflow: hidden;
  margin-bottom: 16px;
  isolation: isolate;
}

.xx-preview-video::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 72% 28%, rgba(255, 255, 255, 0.2), transparent 40%);
  pointer-events: none;
  z-index: 0;
}

.xx-preview-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
  position: relative;
  z-index: 1;
}

.xx-play-btn {
  position: relative;
  z-index: 1;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: grid;
  place-items: center;
  backdrop-filter: blur(8px);
  border: none;
  color: var(--text-inverse);
  font-size: 24px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.xx-play-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.05);
}

/* ── 字幕预览 ── */
.xx-preview-caption {
  background: rgba(255, 255, 255, 0.95);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 10px;
  text-align: center;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 14px;
}

/* ── 时间线标题 ── */
.xx-preview-title {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
  margin-bottom: 10px;
}

/* ── 时间线列表 ── */
.xx-preview-timeline {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.xx-timeline-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.xx-timeline-item .num {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-xs);
  background: var(--primary-soft);
  color: var(--primary-color);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 11px;
  flex-shrink: 0;
}

.xx-timeline-item span {
  color: var(--text-tertiary);
  margin-left: auto;
  font-size: 12px;
}

.xx-timeline-item .scene-name {
  color: var(--text-primary);
  margin-left: 0;
  flex: 1;
  font-size: 13px;
}

/* ── 生成操作按钮 ── */
.xx-generate-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.xx-generate-actions .xx-btn {
  flex: 1;
}

/* ============================================================
   生成进度
   ============================================================ */
.xx-progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}

.xx-progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary-500), var(--color-primary-600));
  border-radius: 3px;
  transition: width 0.3s ease;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1200px) {
  .xx-generate-layout {
    grid-template-columns: 1fr;
  }

  .xx-generate-preview {
    position: static;
  }
}

@media (max-width: 768px) {
  .xx-generate-page {
    padding: var(--space-md);
  }

  .xx-choice-list {
    grid-template-columns: repeat(4, 1fr);
  }

  .xx-voice-choice-list {
    grid-template-columns: 1fr;
  }

  .xx-form-row {
    grid-template-columns: 1fr;
  }

  .xx-step-label {
    display: none;
  }
}

@media (max-width: 480px) {
  .xx-generate-page {
    padding: var(--space-sm);
  }

  .xx-choice-list {
    grid-template-columns: 1fr;
  }

  .xx-step-actions {
    flex-direction: column;
  }

  .xx-generate-actions {
    flex-direction: column;
  }
}

/* ── 存为素材弹窗 ── */
.xx-save-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: xxFadeIn 0.15s ease;
}

.xx-save-modal {
  background: var(--bg-card, #fff);
  border-radius: var(--radius-lg, 16px);
  width: 420px;
  max-width: 90vw;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  animation: xxSlideUp 0.2s ease;
}

.xx-save-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light, #f1f5f9);
  font-weight: 600;
  font-size: 15px;
  color: var(--text-primary, #0f172a);
}

.xx-save-modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-tertiary, #94a3b8);
  font-size: 14px;
  padding: 4px;
  border-radius: var(--radius-sm, 6px);
  transition: all 0.15s;
}

.xx-save-modal-close:hover {
  background: var(--bg-hover, #f8fafc);
  color: var(--text-primary, #0f172a);
}

.xx-save-modal-body {
  padding: 20px;
}

.xx-save-modal-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary, #475569);
  margin-bottom: 6px;
  margin-top: 14px;
}

.xx-save-modal-label:first-child {
  margin-top: 0;
}

.xx-save-modal-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-sm, 10px);
  font-size: 14px;
  outline: none;
  background: var(--bg-surface, #fff);
  color: var(--text-primary, #0f172a);
  transition: border-color 0.15s;
}

.xx-save-modal-input:focus {
  border-color: var(--primary-500, #6366f1);
  box-shadow: 0 0 0 2px var(--primary-100, #e0e7ff);
}

.xx-save-modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-sm, 10px);
  min-height: 40px;
  align-items: center;
  cursor: text;
  transition: border-color 0.15s;
}

.xx-save-modal-tags:focus-within {
  border-color: var(--primary-500, #6366f1);
  box-shadow: 0 0 0 2px var(--primary-100, #e0e7ff);
}

.xx-save-modal-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  font-size: 12px;
  border-radius: 12px;
  background: var(--primary-50, #eef2ff);
  color: var(--primary-600, #4f46e5);
  border: 1px solid var(--primary-200, #c7d2fe);
}

.xx-save-modal-tag-remove {
  font-size: 10px;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.15s;
}

.xx-save-modal-tag-remove:hover {
  opacity: 1;
}

.xx-save-modal-tag-input {
  border: none;
  outline: none;
  flex: 1;
  min-width: 100px;
  font-size: 13px;
  background: transparent;
  color: var(--text-primary, #0f172a);
}

.xx-save-modal-tag-input::placeholder {
  color: var(--text-tertiary, #94a3b8);
}

.xx-save-modal-tag-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border-light, #f1f5f9);
}

.xx-save-modal-tag-preset {
  padding: 3px 10px;
  font-size: 12px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 12px;
  background: var(--bg-surface, #fff);
  color: var(--text-secondary, #475569);
  cursor: pointer;
  transition: all 0.15s;
}

.xx-save-modal-tag-preset:hover {
  border-color: var(--primary-300, #a5b4fc);
  color: var(--primary-600, #4f46e5);
  background: var(--primary-50, #eef2ff);
}

.xx-save-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 14px 20px;
  border-top: 1px solid var(--border-light, #f1f5f9);
}

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

@keyframes xxSlideUp {
  from {
    transform: translateY(12px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ── 素材选择模式切换 Tab ── */
.xx-material-mode-tabs {
  display: flex;
  gap: 0;
  border: 1px solid var(--border-primary, #e2e8f0);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 4px;
}

.xx-material-mode-tab {
  flex: 1;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  border: none;
  background: var(--bg-surface, #fff);
  color: var(--text-secondary, #64748b);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.xx-material-mode-tab:first-child {
  border-right: 1px solid var(--border-primary, #e2e8f0);
}

.xx-material-mode-tab:hover {
  background: var(--primary-50, #eef2ff);
  color: var(--primary-600, #4f46e5);
}

.xx-material-mode-tab.active {
  background: var(--primary-500, #6366f1);
  color: #fff;
  font-weight: 600;
}

/* ── 自动匹配卡片 ── */
.xx-auto-match-card {
  margin-top: 14px;
  padding: 20px;
  background: linear-gradient(135deg, #f0f4ff 0%, #faf5ff 100%);
  border: 1px solid var(--border-primary, #e2e8f0);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.xx-auto-match-icon {
  font-size: 36px;
  margin-bottom: 10px;
}

.xx-auto-match-body {
  width: 100%;
}

.xx-auto-match-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary, #1e293b);
  margin: 0 0 8px;
}

.xx-auto-match-desc {
  font-size: 13px;
  color: var(--text-secondary, #64748b);
  line-height: 1.6;
  margin: 0 0 14px;
}

.xx-auto-match-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.xx-auto-match-feature {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--primary-600, #4f46e5);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--border-light, #f1f5f9);
  border-radius: 20px;
}

/* ── 智能素材匹配 ── */
.xx-smart-match-section {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.xx-smart-match-input-area {
  padding: 16px;
  background: linear-gradient(135deg, #f0f4ff 0%, #faf5ff 100%);
  border: 1px solid var(--border-primary, #e2e8f0);
  border-radius: 14px;
}

.xx-smart-match-action-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* textarea removed in Q5 */

.xx-smart-match-tip {
  font-size: 12px;
  color: var(--text-tertiary, #94a3b8);
}

.xx-smart-match-results {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.xx-smart-match-results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.xx-smart-match-results-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary, #1e293b);
}

.xx-smart-match-results-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}

.xx-link-btn {
  background: none;
  border: none;
  color: var(--primary-color, #4f46e5);
  font-size: 12px;
  cursor: pointer;
  padding: 2px 4px;
}

.xx-link-btn:hover {
  text-decoration: underline;
}

.xx-smart-match-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  max-height: 420px;
  overflow-y: auto;
  padding-right: 4px;
}

.xx-smart-match-card {
  background: #fff;
  border: 2px solid var(--border-primary, #e2e8f0);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.2s ease;
}

.xx-smart-match-card:hover {
  border-color: var(--primary-color, #4f46e5);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.xx-smart-match-card.selected {
  border-color: var(--primary-color, #4f46e5);
  background: var(--primary-soft, #eef2ff);
}

.xx-smart-match-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 9 / 16;
  background: #f1f5f9;
  overflow: hidden;
}

.xx-smart-match-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.xx-smart-match-thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary, #94a3b8);
}

.xx-smart-match-score {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  border-radius: 12px;
}

.xx-smart-match-check {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 24px;
  height: 24px;
  background: var(--primary-color, #4f46e5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.xx-smart-match-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  padding: 2px 6px;
  font-size: 11px;
  color: #fff;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 4px;
}

.xx-smart-match-info {
  padding: 10px 12px;
}

.xx-smart-match-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary, #1e293b);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}

.xx-smart-match-reason {
  font-size: 11px;
  color: var(--text-secondary, #64748b);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.xx-smart-match-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  background: #f8fafc;
  border-radius: 12px;
}

.xx-smart-match-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px 20px;
  background: #f8fafc;
  border-radius: 12px;
  text-align: center;
}

.xx-smart-match-summary {
  padding: 12px 16px;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 12px;
}

.xx-smart-match-summary-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ============================================================
   AI 智能生成标题
   ============================================================ */
.xx-ai-title-section {
  padding: 16px;
  background: linear-gradient(135deg, #f0f4ff 0%, #faf5ff 100%);
  border: 1px solid var(--border-primary, #e2e8f0);
  border-radius: 14px;
  margin-bottom: 16px;
}

.xx-ai-title-header {
  margin-bottom: 10px;
}

.xx-ai-title-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary, #1e293b);
}

.xx-ai-title-input-row {
  display: flex;
  gap: 10px;
}

.xx-ai-title-input {
  flex: 1;
  padding: 10px 14px;
  font-size: 13px;
  border: 1px solid var(--border-primary, #e2e8f0);
  border-radius: 10px;
  background: #fff;
  transition: border-color 0.2s;
}

.xx-ai-title-input:focus {
  outline: none;
  border-color: var(--primary-color, #4f46e5);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

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

.xx-ai-title-results {
  margin-top: 14px;
}

.xx-ai-title-results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.xx-ai-title-results-count {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary, #1e293b);
}

.xx-ai-title-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 320px;
  overflow-y: auto;
  padding-right: 4px;
}

.xx-ai-title-card {
  position: relative;
  padding: 12px 14px;
  background: #fff;
  border: 2px solid var(--border-primary, #e2e8f0);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.xx-ai-title-card:hover {
  border-color: var(--primary-color, #4f46e5);
  transform: translateX(2px);
}

.xx-ai-title-card.selected {
  border-color: var(--primary-color, #4f46e5);
  background: var(--primary-soft, #eef2ff);
}

.xx-ai-title-card-text {
  font-size: 13px;
  color: var(--text-primary, #1e293b);
  line-height: 1.5;
  padding-right: 50px;
}

.xx-ai-title-card-tag {
  display: inline-block;
  margin-top: 6px;
  padding: 2px 8px;
  font-size: 11px;
  border-radius: 10px;
  background: #f1f5f9;
  color: var(--text-secondary, #64748b);
}

.xx-ai-title-card.catchy .xx-ai-title-card-tag {
  background: #fef3c7;
  color: #b45309;
}

.xx-ai-title-card.emotional .xx-ai-title-card-tag {
  background: #fce7f3;
  color: #be185d;
}

.xx-ai-title-card.informative .xx-ai-title-card-tag {
  background: #dbeafe;
  color: #1d4ed8;
}

.xx-ai-title-card-check {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  background: var(--primary-color, #4f46e5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.xx-ai-title-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  font-size: 13px;
  color: var(--text-secondary, #64748b);
}

.xx-divider {
  display: flex;
  align-items: center;
  margin: 16px 0;
  color: var(--text-tertiary, #94a3b8);
  font-size: 12px;
}

.xx-divider::before,
.xx-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border-primary, #e2e8f0);
}

.xx-divider span {
  padding: 0 12px;
}

/* ============================================================
   标题设置（选择标题步骤）
   ============================================================ */
.xx-title-ai-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
}

.xx-toggle-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

.xx-switch {
  width: 44px;
  height: 24px;
  background: var(--border-color);
  border-radius: 12px;
  position: relative;
  cursor: pointer;
  transition: background 0.2s;
}

.xx-switch.active {
  background: var(--primary-color);
}

.xx-switch-knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.xx-switch.active .xx-switch-knob {
  transform: translateX(20px);
}

.xx-title-style-section {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
}

.xx-section-subtitle {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 16px;
}

.xx-title-style-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.xx-half-field {
  margin-bottom: 0;
}

.xx-field-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.xx-field-label-row label {
  margin-bottom: 0;
}

.xx-field-value {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-color);
}

.xx-slider {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--border-color);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.xx-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--primary-color);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(79, 70, 229, 0.3);
}

.xx-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: var(--primary-color);
  border-radius: 50%;
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 6px rgba(79, 70, 229, 0.3);
}

/* 标题预设卡片网格 */
.xx-title-presets-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.xx-title-preset-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 14px 8px;
  background: var(--bg-secondary);
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
}

.xx-title-preset-card:hover {
  border-color: var(--primary-200);
  background: var(--bg-primary);
}

.xx-title-preset-card.active {
  border-color: var(--primary-color);
  background: var(--primary-50);
}

.xx-title-preset-preview-text {
  line-height: 1.4;
  margin-bottom: 6px;
  user-select: none;
}

.xx-title-preset-card-label {
  font-size: 11px;
  color: var(--text-secondary);
}

.xx-title-preset-card.active .xx-title-preset-card-label {
  color: var(--primary-color);
  font-weight: 500;
}

/* 样式按钮组 */
.xx-style-btns {
  display: flex;
  gap: 8px;
}

.xx-style-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  cursor: pointer;
  font-size: 15px;
  color: var(--text-secondary);
  transition: all 0.15s;
}

.xx-style-btn:hover {
  border-color: var(--primary-300);
  color: var(--primary-color);
}

.xx-style-btn.active {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: #fff;
}
/* ================================================================
   封面设置
   ================================================================ */

.xx-cover-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

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

.xx-switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 22px;
}

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

.xx-switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border-color);
  transition: 0.2s;
  border-radius: 22px;
}

.xx-switch-slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: 0.2s;
  border-radius: 50%;
}

.xx-switch input:checked + .xx-switch-slider {
  background-color: var(--primary-color);
}

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

.xx-section-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin: 16px 0 10px;
}

.xx-cover-mode-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.xx-cover-mode-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 8px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  cursor: pointer;
  transition: all 0.15s;
}

.xx-cover-mode-tab:hover {
  border-color: var(--primary-300);
}

.xx-cover-mode-tab.active {
  border-color: var(--primary-color);
  background: var(--primary-50);
}

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

.xx-cover-mode-label {
  font-size: 12px;
  color: var(--text-primary);
  font-weight: 500;
}

.xx-cover-auto {
  padding: 20px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  text-align: center;
}

.xx-cover-auto-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.6;
}

.xx-cover-auto-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--primary-50);
  border: 1px solid var(--primary-200);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--primary-color);
}

.xx-cover-frame {
  margin-bottom: 16px;
}

.xx-cover-frame-preview {
  margin-bottom: 16px;
}

.xx-cover-frame-placeholder {
  aspect-ratio: 9 / 16;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #fff;
}

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

.xx-cover-frame-time {
  font-size: 18px;
  font-weight: 600;
  font-family: monospace;
}

.xx-cover-frame-slider {
  margin-bottom: 12px;
}

.xx-cover-frame-slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.xx-cover-frame-value {
  font-weight: 600;
  color: var(--text-primary);
  font-family: monospace;
}

.xx-cover-range {
  width: 100%;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--border-color);
  border-radius: 2px;
  outline: none;
}

.xx-cover-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  background: var(--primary-color);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.xx-cover-frame-range {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 4px;
}

.xx-cover-frame-quick {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.xx-cover-quick-label {
  font-size: 12px;
  color: var(--text-secondary);
}

.xx-cover-quick-btn {
  padding: 4px 10px;
  font-size: 12px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-primary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
  font-family: monospace;
}

.xx-cover-quick-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.xx-cover-upload {
  margin-bottom: 16px;
}

.xx-cover-upload-area {
  aspect-ratio: 9 / 16;
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s;
  position: relative;
  overflow: hidden;
}

.xx-cover-upload-area:hover {
  border-color: var(--primary-color);
  background: var(--primary-50);
}

.xx-cover-upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
}

.xx-cover-upload-text {
  font-size: 14px;
  font-weight: 500;
}

.xx-cover-upload-hint {
  font-size: 12px;
  opacity: 0.7;
}

.xx-cover-upload-preview {
  position: relative;
  width: 100%;
  height: 100%;
}

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

.xx-cover-upload-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
  color: #fff;
  font-size: 13px;
  text-align: center;
}

.xx-cover-preview-box {
  position: relative;
  aspect-ratio: 9 / 16;
  max-width: 180px;
  margin: 0 auto;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

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

.xx-cover-preview-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-tertiary);
  font-size: 13px;
}

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

/* ================================================================
   生成预览步骤
   ================================================================ */

/* ── 初始状态：生成按钮 ── */
.xx-preview-generate-section {
  text-align: center;
  padding: 40px 20px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--border-color);
  max-width: 320px;
  margin: 0 auto;
}

.xx-preview-generate-hint {
  margin-bottom: 24px;
}

.xx-preview-generate-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 8px 0;
}

.xx-preview-generate-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
}

.xx-preview-generate-btn {
  min-width: 160px;
  height: 42px;
  font-size: 14px;
}

/* ── 加载中状态 ── */
.xx-preview-loading {
  text-align: center;
  padding: 40px 20px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  max-width: 320px;
  margin: 0 auto;
}

.xx-preview-loading-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 16px 0 8px 0;
}

.xx-preview-loading-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
}

/* ── 错误状态（手机屏尺寸）── */
.xx-preview-error {
  text-align: center;
  padding: 32px 20px;
  background: rgba(239, 68, 68, 0.06);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(239, 68, 68, 0.2);
  max-width: 320px;
  margin: 0 auto;
}

.xx-preview-error-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--error-color, #ef4444);
  margin: 12px 0 6px 0;
}

.xx-preview-error-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0 0 16px 0;
}

/* ── 成功状态的操作按钮 ── */
.xx-preview-regenerate-btn {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--text-tertiary);
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.xx-preview-regenerate-btn:hover {
  color: var(--primary-color);
  background: rgba(59, 130, 246, 0.1);
}

.xx-preview-tip {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  background: rgba(82, 196, 26, 0.08);
  border: 1px solid rgba(82, 196, 26, 0.2);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--text-primary);
  max-width: 320px;
  margin-left: auto;
  margin-right: auto;
}

.xx-preview-plan-card {
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  padding: 20px;
  border: 1px solid var(--border-color);
}

.xx-preview-plan-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.xx-preview-plan-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}

.xx-preview-plan-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.xx-preview-plan-label {
  font-size: 13px;
  color: var(--text-secondary);
}

.xx-preview-plan-value {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

.xx-preview-plan-hint {
  font-size: 12px;
  color: var(--text-tertiary);
  padding: 10px 12px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  line-height: 1.5;
}

/* ================================================================
   生成结果（右侧）
   ================================================================ */

.xx-generate-right-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

/* ── 内联视频播放器（右侧） ── */
.xx-inline-video-player {
  width: 100%;
  max-width: 320px;
  background: var(--bg-surface, #fff);
  border: 1px solid var(--border-primary, #e2e8f0);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.xx-inline-video-player video {
  background: #000;
}

.xx-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.xx-preview-header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.xx-preview-badge {
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: 12px;
}

.xx-preview-empty {
  text-align: center;
  padding: 40px 0;
}

.xx-preview-empty-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin: 0 0 4px 0;
}

.xx-preview-empty-desc {
  font-size: 12px;
  color: var(--text-tertiary);
  margin: 0;
}

.xx-preview-loading-panel {
  text-align: center;
}

.xx-preview-loading-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  position: relative;
  z-index: 2;
}

/* ── 整体进度条（手机屏尺寸）── */
.xx-preview-progress-bar {
  max-width: 320px;
  margin: 12px auto;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
}

.xx-preview-progress-bar-wrap {
  width: 100%;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  margin-top: 12px;
  overflow: hidden;
}

.xx-preview-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.xx-preview-error-panel {
  text-align: center;
}

.xx-preview-video--error {
  opacity: 0.7;
}

.xx-preview-error-msg {
  font-size: 13px;
  color: #ef4444;
  margin: 12px 0;
}

.xx-preview-info {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.xx-preview-info-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-secondary);
}

.xx-preview-info-row span:last-child {
  color: var(--text-primary);
  font-weight: 500;
}

/* Step3 内部进度条 */
.xx-preview-loading .xx-preview-progress-bar {
  width: 200px;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  margin: 12px auto 0;
  overflow: hidden;
}

.xx-preview-loading .xx-preview-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.xx-preview-video-wrapper {
  margin: 16px 0;
  display: flex;
  justify-content: center;
}

.xx-preview-video-wrapper .xx-preview-video {
  max-width: 300px;
  width: 100%;
  aspect-ratio: 9 / 16;
  margin-bottom: 0;
}

.xx-generate-result {
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  padding: 20px;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.xx-result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.xx-result-header h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.xx-result-count {
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  padding: 2px 10px;
  border-radius: 12px;
}

.xx-result-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
}

.xx-result-progress {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 20px;
  gap: 20px;
}

.xx-progress-circle {
  position: relative;
  width: 80px;
  height: 80px;
}

.xx-progress-circle svg {
  width: 100%;
  height: 100%;
}

.xx-progress-percent {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.xx-progress-text {
  text-align: center;
}

/* 视频卡片网格 */
.xx-video-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  overflow-y: auto;
  flex: 1;
  padding-right: 4px;
}

.xx-video-card {
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid var(--border-color);
}

.xx-video-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  border-color: var(--primary-300);
}

.xx-video-thumb {
  position: relative;
  aspect-ratio: 9 / 16;
  background: var(--bg-tertiary);
  overflow: hidden;
}

.xx-video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.xx-video-thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
}

.xx-video-play-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition: opacity 0.2s;
}

.xx-video-card:hover .xx-video-play-overlay {
  opacity: 1;
}

.xx-video-duration {
  position: absolute;
  bottom: 6px;
  right: 6px;
  padding: 2px 6px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  font-size: 11px;
  border-radius: 4px;
  font-family: monospace;
}

.xx-video-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
}

.xx-video-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.xx-video-actions {
  display: flex;
  gap: 6px;
}

.xx-video-action-btn {
  width: 28px;
  height: 28px;
  border: none;
  background: var(--bg-tertiary);
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all 0.15s;
}

.xx-video-action-btn:hover {
  background: var(--primary-100);
  color: var(--primary-color);
}

.xx-result-footer {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

.xx-btn-block {
  width: 100%;
  justify-content: center;
}

/* 预览弹窗 */
.xx-preview-modal-content {
  background: #000;
  border-radius: 8px;
  overflow: hidden;
}

.xx-preview-modal .ant-modal-content {
  padding: 0 !important;
}

.xx-preview-modal .ant-modal-close {
  color: #fff !important;
}

/* ── 封面设置区域改造样式 ── */

/* 封面操作按钮区 */
.xx-cover-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

/* 已选模板文字 */
.xx-cover-selected-template {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

/* 封面设置弹窗 - 工具栏 */
.xx-cover-modal-toolbar {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

/* 封面模板网格 */
.xx-cover-template-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

/* 封面模板卡片 */
.xx-cover-template-card {
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.2s;
}
.xx-cover-template-card:hover {
  border-color: var(--primary-color);
}
.xx-cover-template-card.selected {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.2);
}

/* 卡片缩略图 */
.xx-cover-template-thumb {
  aspect-ratio: 9/16;
  background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: #ccc;
}

/* 卡片信息区 */
.xx-cover-template-info {
  padding: 8px;
}
.xx-cover-template-name {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 2px;
}
.xx-cover-template-badge {
  font-size: 11px;
  color: #7c3aed;
  background: rgba(124, 58, 237, 0.1);
  padding: 1px 6px;
  border-radius: 4px;
  white-space: nowrap;
}
.xx-cover-template-date {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-bottom: 6px;
}
.xx-cover-template-actions {
  display: flex;
  gap: 4px;
}

/* 封面编辑器 */
.xx-cover-editor-layout {
  display: flex;
  gap: 20px;
  min-height: 500px;
}
.xx-cover-editor-left {
  width: 280px;
  flex-shrink: 0;
}
.xx-cover-editor-right {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f5f5;
  border-radius: var(--radius-md);
}
.xx-cover-editor-canvas {
  width: 225px;
  height: 400px;
  background: #ddd;
  position: relative;
  border-radius: 8px;
  overflow: hidden;
}
.xx-cover-editor-portrait {
  position: absolute;
  top: 20%;
  left: 15%;
  width: 70%;
  height: 45%;
  background: #a8d4f0;
  border: 2px solid #333;
}
.xx-cover-editor-handle {
  position: absolute;
  width: 8px;
  height: 8px;
  background: #333;
  border: 1px solid white;
}

/* 编辑器折叠面板 */
.xx-cover-editor-section {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}
.xx-cover-editor-section-header {
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-tertiary);
}
.xx-cover-editor-section-body {
  padding: 12px;
  font-size: 12px;
  color: var(--text-secondary);
}

/* 编辑器顶部 */
.xx-cover-editor-header {
  margin-bottom: 16px;
}
.xx-cover-editor-name-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 12px;
}
.xx-cover-editor-header-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* 编辑器画布内文字占位 */
.xx-cover-editor-title-placeholder {
  position: absolute;
  top: 72%;
  left: 50%;
  transform: translateX(-50%);
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.6);
  white-space: nowrap;
}
.xx-cover-editor-subtitle-placeholder {
  position: absolute;
  top: 82%;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.85);
  white-space: nowrap;
}