/* EdgeOne Drive - 网盘 + 图床样式 */

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --secondary: #64748b;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-hover: #f1f5f9;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --radius: 8px;
  --radius-lg: 12px;
  --sidebar-width: 240px;
  --top-bar-height: 64px;
  --transition: all 0.2s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
}

#app {
  display: flex;
  height: 100vh;
  width: 100vw;
}

/* 侧边栏 */
.sidebar {
  width: var(--sidebar-width);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}

.logo i {
  font-size: 28px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px;
  overflow-y: auto;
}

.nav-section {
  margin-bottom: 20px;
}

.nav-label {
  display: block;
  padding: 0 12px;
  margin-bottom: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition);
  cursor: pointer;
}

.nav-item:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.nav-item.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

.nav-item i {
  font-size: 18px;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.storage-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.storage-bar {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.storage-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--success));
  border-radius: 3px;
  transition: width 0.5s ease;
}

.storage-text {
  font-size: 12px;
  color: var(--text-muted);
}

/* 主内容区 */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* 顶部栏 */
.top-bar {
  height: var(--top-bar-height);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 20px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius);
}

.menu-toggle:hover {
  background: var(--surface-hover);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  overflow: hidden;
}

.breadcrumb-item {
  padding: 6px 10px;
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

.breadcrumb-item:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.breadcrumb-item:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: var(--text-muted);
}

.breadcrumb-item:last-child {
  color: var(--text);
  font-weight: 600;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-box i {
  position: absolute;
  left: 12px;
  color: var(--text-muted);
  font-size: 16px;
}

.search-box input {
  width: 240px;
  padding: 8px 12px 8px 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  background: var(--bg);
  transition: var(--transition);
}

.search-box input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

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

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

.btn-secondary {
  background: var(--surface-hover);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--border);
}

.btn-danger {
  background: var(--danger);
  color: white;
}

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

.icon-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.icon-btn:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.icon-btn.active {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

/* 内容区域 */
.content-area {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

.view {
  display: none;
  animation: fadeIn 0.3s ease;
}

.view.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.view-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.view-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.view-title h2 {
  font-size: 22px;
  font-weight: 700;
}

.file-count {
  font-size: 14px;
  color: var(--text-muted);
}

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

/* 文件网格 */
.file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}

.file-grid.list-view {
  grid-template-columns: 1fr;
}

.file-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  user-select: none;
}

.file-item:hover {
  box-shadow: var(--shadow);
  border-color: var(--primary-light);
}

.file-item.selected {
  border-color: var(--primary);
  background: var(--primary-light);
}

.file-item .file-icon {
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: var(--bg);
  margin-bottom: 12px;
  overflow: hidden;
}

.file-item .file-icon i {
  font-size: 48px;
  color: var(--primary);
}

.file-item .file-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
}

.file-item .file-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-item .file-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.file-item .file-checkbox {
  position: absolute;
  top: 12px;
  left: 12px;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  display: none;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 12px;
}

.file-item.selected .file-checkbox {
  display: flex;
  background: var(--primary);
  border-color: var(--primary);
}

.file-item:hover .file-checkbox {
  display: flex;
}

/* 列表视图样式 */
.file-grid.list-view .file-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
}

.file-grid.list-view .file-icon {
  width: 40px;
  height: 40px;
  aspect-ratio: auto;
  margin-bottom: 0;
}

.file-grid.list-view .file-icon i {
  font-size: 24px;
}

.file-grid.list-view .file-info {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 16px;
}

.file-grid.list-view .file-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-grid.list-view .file-meta {
  margin-top: 0;
  width: 120px;
  text-align: right;
}

/* 图片画廊 */
.image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.image-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  background: var(--surface);
  border: 1px solid var(--border);
}

.image-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.image-item:hover img {
  transform: scale(1.05);
}

.image-item .image-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px 12px 12px;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: white;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.image-item:hover .image-overlay {
  opacity: 1;
}

.image-item .image-name {
  font-size: 12px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.image-item .image-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.image-item .image-actions button {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: none;
  background: rgba(255,255,255,0.2);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.image-item .image-actions button:hover {
  background: rgba(255,255,255,0.4);
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 64px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state p {
  font-size: 16px;
  margin-bottom: 8px;
}

.empty-state .hint {
  font-size: 13px;
  color: var(--text-muted);
}

/* 统计面板 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: white;
}

.stat-icon.blue { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.stat-icon.green { background: linear-gradient(135deg, #10b981, #059669); }
.stat-icon.purple { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.stat-icon.orange { background: linear-gradient(135deg, #f59e0b, #d97706); }

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* 设置面板 */
.settings-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  max-width: 600px;
}

.setting-group {
  margin-bottom: 24px;
}

.setting-group h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.setting-item {
  margin-bottom: 16px;
}

.setting-item label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text);
}

.setting-inputs {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.setting-inputs input {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  background: var(--bg);
  transition: var(--transition);
}

.setting-inputs input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* 模态框 */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--surface);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.2s ease;
}

.modal-large {
  max-width: 900px;
}

.modal-small {
  max-width: 400px;
}

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

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 600;
}

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

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.modal-close:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

/* 上传区域 */
.upload-dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.upload-dropzone:hover,
.upload-dropzone.dragover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.upload-dropzone i {
  font-size: 48px;
  color: var(--primary);
  margin-bottom: 12px;
}

.upload-dropzone p {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 4px;
}

.upload-dropzone .hint {
  font-size: 13px;
  color: var(--text-muted);
}

.upload-list {
  margin-top: 16px;
  max-height: 200px;
  overflow-y: auto;
}

.upload-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  background: var(--bg);
  border-radius: var(--radius);
  margin-bottom: 8px;
}

.upload-item .upload-icon {
  width: 36px;
  height: 36px;
  background: var(--surface);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.upload-item .upload-info {
  flex: 1;
}

.upload-item .upload-name {
  font-size: 13px;
  font-weight: 500;
}

.upload-item .upload-size {
  font-size: 11px;
  color: var(--text-muted);
}

.upload-item .upload-progress {
  width: 80px;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.upload-item .upload-progress-bar {
  height: 100%;
  background: var(--primary);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.upload-item .upload-status {
  font-size: 12px;
  color: var(--text-muted);
}

/* 预览 */
.preview-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  background: var(--bg);
  border-radius: var(--radius);
  overflow: hidden;
}

.preview-container img {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
}

.preview-info {
  margin-top: 16px;
  padding: 12px;
  background: var(--bg);
  border-radius: var(--radius);
  font-size: 13px;
}

.preview-info .info-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
}

.preview-info .info-row:last-child {
  border-bottom: none;
}

.preview-info .info-label {
  color: var(--text-muted);
}

.preview-info .info-value {
  font-weight: 500;
  font-family: monospace;
}

/* 右键菜单 */
.context-menu {
  display: none;
  position: fixed;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 999;
  min-width: 180px;
  padding: 4px;
}

.context-menu.active {
  display: block;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
}

.menu-item:hover {
  background: var(--surface-hover);
}

.menu-item.danger {
  color: var(--danger);
}

.menu-item.danger:hover {
  background: #fef2f2;
}

.menu-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

/* 输入框 */
.input-full {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  transition: var(--transition);
}

.input-full:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1001;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  font-size: 14px;
  animation: toastIn 0.3s ease;
  max-width: 360px;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.warning { border-left: 3px solid var(--warning); }

@keyframes toastIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.toast i {
  font-size: 18px;
}

.toast.success i { color: var(--success); }
.toast.error i { color: var(--danger); }
.toast.warning i { color: var(--warning); }

/* 响应式 */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: -100%;
    z-index: 100;
    height: 100vh;
  }

  .sidebar.open {
    left: 0;
  }

  .menu-toggle {
    display: block;
  }

  .search-box input {
    width: 160px;
  }

  .file-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* 图床增强样式 */
.image-actions {
  display: flex;
  gap: 4px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.image-actions button {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: none;
  background: rgba(255,255,255,0.2);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  font-size: 14px;
}

.image-actions button:hover {
  background: rgba(255,255,255,0.4);
}

/* 上传结果链接展示 */
.upload-result-links {
  margin-top: 12px;
  padding: 12px;
  background: var(--bg);
  border-radius: var(--radius);
}

.upload-result-links .link-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
}

.upload-result-links .link-item:last-child {
  border-bottom: none;
}

.upload-result-links .link-label {
  width: 70px;
  font-weight: 600;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.upload-result-links .link-value {
  flex: 1;
  font-family: monospace;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--primary);
}

.upload-result-links .link-copy {
  padding: 4px 8px;
  font-size: 11px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

/* 拖拽上传区域高亮 */
.upload-dropzone.dragover {
  border-color: var(--primary);
  background: var(--primary-light);
  transform: scale(1.02);
}

/* 文件选择批量操作栏 */
.batch-actions {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--primary-light);
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.batch-actions.active {
  display: flex;
}

.batch-actions span {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
}

/* 响应式图片网格 */
@media (max-width: 768px) {
  .image-gallery {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  .image-actions button {
    width: 24px;
    height: 24px;
    font-size: 12px;
  }
}

/* 拖拽上传样式 */
.drag-active::after {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(37, 99, 235, 0.1);
  border: 3px dashed var(--primary);
  z-index: 999;
  pointer-events: none;
  animation: dragPulse 1s ease infinite;
}

@keyframes dragPulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* 批量操作栏 */
.batch-actions {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--primary-light);
  border-radius: var(--radius);
  margin-bottom: 16px;
  animation: slideDown 0.2s ease;
}

.batch-actions.active {
  display: flex;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.batch-actions span {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  margin-right: auto;
}

.batch-actions .btn {
  padding: 6px 12px;
  font-size: 13px;
}

/* 加载动画 */
.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* 文件项选中效果 */
.file-item.selected {
  border-color: var(--primary);
  background: var(--primary-light);
  box-shadow: 0 0 0 2px var(--primary-light);
}

/* 图片画廊拖拽提示 */
#imagebedView.drag-active .image-gallery::before {
  content: '释放以上传图片';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--primary);
  color: white;
  padding: 16px 32px;
  border-radius: var(--radius-lg);
  font-size: 16px;
  font-weight: 600;
  z-index: 1000;
  box-shadow: var(--shadow-lg);
}