/* ============================================
   ai-creation.css - AI创作中心样式
   ============================================ */

.ai-main {
  padding: var(--space-xl) 0 var(--space-3xl);
  background: var(--color-bg);
  min-height: 85vh;
}

/* 功能导航 */
.ai-tools-nav {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.tool-nav-item {
  flex: 1;
  min-width: 160px;
  padding: var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
  position: relative;
}

.tool-nav-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.tool-nav-item.active {
  background: var(--gradient-primary);
  color: white;
  border-color: var(--color-primary);
}

.tool-icon {
  font-size: 32px;
  margin-bottom: var(--space-sm);
}

.tool-nav-item span:not(.vip-badge) {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.vip-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--gradient-orange);
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-full);
}

/* 工具区域 */
.ai-tool-section {
  display: none;
}

.ai-tool-section.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

.tool-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-xl);
  align-items: start;
}

/* 配置面板 */
.config-panel {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.config-panel h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.config-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

/* 模式切换 */
.mode-switch {
  display: flex;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 4px;
  gap: 4px;
}

.mode-btn {
  flex: 1;
  padding: 8px 12px;
  text-align: center;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-light);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mode-btn.active {
  background: var(--color-primary);
  color: white;
}

/* 上传区 */
.upload-area {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--color-text-light);
}

.upload-area:hover {
  border-color: var(--color-primary-light);
  background: rgba(124, 58, 237, 0.03);
}

.upload-area i {
  font-size: 40px;
  margin-bottom: var(--space-sm);
  color: var(--color-primary-light);
}

.upload-area p {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 4px;
}

.upload-area span {
  font-size: var(--font-size-xs);
  color: var(--color-text-lighter);
}

/* 风格选择 */
.style-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-sm);
}

.style-item {
  cursor: pointer;
  text-align: center;
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

.style-item:hover {
  background: var(--color-bg);
}

.style-item.active {
  border-color: var(--color-primary);
  background: rgba(124, 58, 237, 0.05);
}

.style-preview {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  margin-bottom: 4px;
}

.style-item span {
  font-size: var(--font-size-xs);
  color: var(--color-text);
}

/* 生成按钮 */
.generate-btn {
  margin-top: var(--space-md);
  font-size: var(--font-size-lg) !important;
  padding: 16px !important;
}

.generate-hint {
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-lighter);
  margin-top: var(--space-sm);
}

/* 预览面板 */
.tool-preview {
  position: sticky;
  top: calc(var(--nav-height) + 20px);
}

.preview-panel {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.preview-header {
  background: #1E1B4B;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.preview-dots {
  display: flex;
  gap: 6px;
}

.preview-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.preview-dots span:nth-child(1) { background: #FF5F57; }
.preview-dots span:nth-child(2) { background: #FFBD2E; }
.preview-dots span:nth-child(3) { background: #28CA41; }

.preview-header span {
  color: rgba(255,255,255,0.7);
  font-size: var(--font-size-sm);
}

.preview-body {
  padding: var(--space-lg);
  background: var(--color-bg);
}

.phone-frame {
  background: #1E1B4B;
  border-radius: 24px;
  padding: 8px;
  max-width: 280px;
  margin: 0 auto;
}

.phone-screen {
  background: var(--color-bg);
  border-radius: 18px;
  aspect-ratio: 9/16;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-placeholder {
  text-align: center;
  color: var(--color-text-lighter);
  padding: var(--space-lg);
}

.preview-placeholder i {
  font-size: 48px;
  margin-bottom: var(--space-md);
  opacity: 0.4;
}

.preview-placeholder p {
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: 4px;
}

.preview-placeholder span {
  font-size: var(--font-size-xs);
}

.preview-tools {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md);
  justify-content: center;
}

.tool-btn {
  padding: 8px 16px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid var(--color-border);
}

.tool-btn:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* AI图片设计 */
.ai-image-tabs {
  margin-bottom: var(--space-lg);
}

.poster-templates {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.poster-tpl {
  aspect-ratio: 3/4;
  border-radius: var(--radius-md);
  display: flex;
  align-items: flex-end;
  padding: 8px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
}

.poster-tpl span {
  font-size: var(--font-size-xs);
  color: white;
  font-weight: 500;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.poster-tpl:hover,
.poster-tpl.active {
  border-color: var(--color-primary);
  transform: scale(1.05);
}

.image-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.preview-img {
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  font-size: 32px;
}

.edit-tools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.edit-tool {
  padding: var(--space-md);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.edit-tool i {
  font-size: 24px;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.edit-tool span {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text);
}

.edit-tool:hover {
  background: rgba(124, 58, 237, 0.1);
}

/* 在线剪辑 */
.editor-wrapper {
  background: #1E1B4B;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.editor-layout {
  display: grid;
  grid-template-columns: 200px 1fr 180px;
  height: 400px;
}

.editor-panel素材库,
.editor-panel属性 {
  background: #252547;
  border-right: 1px solid rgba(255,255,255,0.05);
  overflow-y: auto;
}

.panel-header {
  padding: var(--space-md);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-header h4 {
  color: white;
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.panel-tabs {
  display: flex;
  gap: 4px;
}

.panel-tabs .tab-item {
  padding: 4px 8px;
  font-size: 10px;
  color: rgba(255,255,255,0.5);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.panel-tabs .tab-item.active {
  background: var(--color-primary);
  color: white;
}

.panel-search {
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.panel-search i {
  color: rgba(255,255,255,0.3);
  font-size: 12px;
}

.panel-search input {
  flex: 1;
  background: transparent;
  border: none;
  color: white;
  font-size: var(--font-size-sm);
}

.media-list {
  padding: var(--space-sm);
}

.media-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 4px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: rgba(255,255,255,0.7);
  font-size: var(--font-size-xs);
}

.media-item:hover {
  background: rgba(255,255,255,0.05);
}

.media-thumb {
  width: 40px;
  height: 30px;
  border-radius: 4px;
  flex-shrink: 0;
}

.editor-preview {
  display: flex;
  flex-direction: column;
}

.preview-screen {
  flex: 1;
  background: #0D0D1A;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-screen .preview-placeholder {
  color: rgba(255,255,255,0.3);
}

.preview-controls {
  padding: var(--space-md);
  background: #252547;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.ctrl-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.ctrl-btn:hover {
  background: var(--color-primary);
}

.ctrl-btn.play-btn {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
}

.progress-bar {
  flex: 1;
  height: 4px;
  background: rgba(255,255,255,0.2);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--color-primary-light);
  border-radius: 2px;
}

.time-display {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.6);
  font-family: monospace;
}

.property-list {
  padding: var(--space-md);
}

.property-item {
  margin-bottom: var(--space-md);
}

.property-item label {
  display: block;
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.5);
  margin-bottom: 4px;
}

.property-item input[type="range"] {
  width: 100%;
  accent-color: var(--color-primary);
}

/* 时间轴 */
.editor-timeline {
  background: #2D2B55;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: var(--space-md);
}

.timeline-controls {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.timeline-controls .btn {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.8);
  border: none;
}

.timeline-controls .btn:hover {
  background: var(--color-primary);
  color: white;
}

.timeline-track {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-sm);
  min-height: 32px;
}

.track-label {
  width: 48px;
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.5);
  flex-shrink: 0;
}

.track-content {
  flex: 1;
  height: 32px;
  background: rgba(255,255,255,0.05);
  border-radius: 4px;
  position: relative;
  cursor: pointer;
}

.clip {
  position: absolute;
  top: 2px;
  height: 28px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 10px;
  cursor: grab;
  transition: transform var(--transition-fast);
}

.clip:hover {
  transform: scaleY(1.1);
}

.video-clip { opacity: 0.8; }
.audio-clip { opacity: 0.6; height: 20px !important; top: 6px !important; }
.text-clip { background: var(--color-warning) !important; height: 16px !important; top: 8px !important; }

/* 工具栏 */
.editor-toolbar {
  background: #252547;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.toolbar-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

.toolbar-btn:hover {
  background: var(--color-primary);
  color: white;
}

.toolbar-spacer {
  flex: 1;
}

.toolbar-btn.export-btn {
  width: auto;
  padding: 0 var(--space-md);
  background: var(--gradient-primary);
  color: white;
  font-weight: 600;
  gap: var(--space-sm);
}

.editor-tip {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-lighter);
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: rgba(124, 58, 237, 0.05);
  border-radius: var(--radius-md);
}

/* 批量工具 */
.batch-wrapper {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.batch-hero {
  background: linear-gradient(135deg, #1E1B4B, #312E81, #4C1D95);
  padding: var(--space-3xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.batch-info {
  color: white;
}

.vip-only-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(245, 158, 11, 0.2);
  color: #F59E0B;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.batch-info h2 {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  margin-bottom: var(--space-md);
}

.batch-info p {
  font-size: var(--font-size-lg);
  opacity: 0.8;
  margin-bottom: var(--space-xl);
  line-height: 1.7;
}

.batch-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.batch-feat {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-base);
}

.batch-feat i {
  color: #4ADE80;
}

.batch-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.batch-card {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  color: white;
  animation: floatUp 2s ease infinite;
  animation-delay: var(--delay, 0s);
}

@keyframes floatUp {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.batch-card i {
  font-size: 32px;
  margin-bottom: var(--space-sm);
  color: var(--color-primary-light);
}

.batch-card span {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.batch-tools {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  padding: var(--space-xl);
}

.batch-tool-card {
  padding: var(--space-xl);
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
}

.batch-tool-card:hover {
  background: var(--color-white);
  border-color: var(--color-primary-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.batch-tool-card i {
  font-size: 36px;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.batch-tool-card h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: var(--space-sm);
}

.batch-tool-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

/* 响应式 */
@media (max-width: 1200px) {
  .tool-layout { grid-template-columns: 1fr; }
  .tool-preview { position: static; }
  .batch-tools { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .style-grid { grid-template-columns: repeat(3, 1fr); }
  .editor-layout { grid-template-columns: 1fr; }
  .editor-panel素材库, .editor-panel属性 { display: none; }
  .batch-hero { grid-template-columns: 1fr; text-align: center; }
}

@media (max-width: 768px) {
  .form-row { grid-template-columns: 1fr; }
  .style-grid { grid-template-columns: repeat(2, 1fr); }
  .batch-tools { grid-template-columns: 1fr; }
}