#webp-converter-9d4a {
  width: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  box-sizing: border-box;
  font-size: 14px;
}

#webp-converter-9d4a * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

#webp-converter-9d4f .converter-area {
  width: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

/* 上传区域 */
#webp-converter-9d4a .upload-zone {
  width: 100%;
  border: 2px dashed #d1d5db;
  border-radius: 8px;
  padding: 30px 16px;
  text-align: center;
  background-color: #f9fafb;
  transition: all 0.2s ease;
  margin-bottom: 0;
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#webp-converter-9d4a .upload-zone.drag-over {
  border-color: #3b82f6;
  background-color: #eff6ff;
  border-style: solid;
}

#webp-converter-9d4a .upload-placeholder {
  color: #6b7280;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
}

#webp-converter-9d4a .upload-icon {
  display: block;
  margin: 0 auto;
}

#webp-converter-9d4a .upload-placeholder p {
  font-size: 13px;
  line-height: 1.4;
  margin: 0;
}

#webp-converter-9d4a .hint-text {
  font-size: 12px;
  color: #9ca3af;
  opacity: 0.8;
}

/* 紧凑控制区域 */
#webp-converter-9d4a .compact-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background-color: #f9fafb;
  border-bottom: 1px solid #e5e7eb;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 52px;
}

#webp-converter-9d4a .controls-left,
#webp-converter-9d4a .controls-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

#webp-converter-9d4a .file-counter {
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

#webp-converter-9d4a .counter-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  background-color: #3b82f6;
  color: white;
  font-size: 12px;
  font-weight: 500;
  border-radius: 10px;
  padding: 0 6px;
}

#webp-converter-9d4a .counter-text {
  font-size: 13px;
  color: #374151;
  font-weight: 500;
}

/* 格式选择器 */
#webp-converter-9d4a .format-selector {
  display: flex;
  align-items: center;
  gap: 4px;
}

#webp-converter-9d4a .format-select {
  padding: 5px 8px;
  font-size: 13px;
  border: 1px solid #d1d5db;
  border-radius: 4px;
  background-color: white;
  color: #374151;
  min-height: 28px;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s;
  min-width: 80px;
}

#webp-converter-9d4a .format-select:focus {
  border-color: #3b82f6;
  outline: 2px solid transparent;
  outline-offset: 2px;
}

/* 紧凑转换按钮 */
#webp-converter-9d4a .convert-btn.compact {
  padding: 5px 12px;
  background-color: #3b82f6;
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s;
  min-height: 28px;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

#webp-converter-9d4a .convert-btn.compact:hover:not(:disabled) {
  background-color: #2563eb;
}

#webp-converter-9d4a .convert-btn.compact:disabled {
  background-color: #9ca3af;
  cursor: not-allowed;
  opacity: 0.6;
}

#webp-converter-9d4a .convert-btn.compact.converting {
  background-color: #f59e0b;
  position: relative;
  padding-right: 32px;
}

#webp-converter-9d4a .convert-btn.compact.converting::after {
  content: '';
  position: absolute;
  right: 12px;
  width: 12px;
  height: 12px;
  border: 2px solid transparent;
  border-top-color: white;
  border-radius: 50%;
  animation: spin-9d4a 0.8s linear infinite;
}

@keyframes spin-9d4a {
  to { transform: rotate(360deg); }
}

/* 清空按钮 */
#webp-converter-9d4a .clear-btn {
  width: 28px;
  height: 28px;
  border-radius: 4px;
  background-color: #f3f4f6;
  color: #6b7280;
  border: 1px solid #d1d5db;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

#webp-converter-9d4a .clear-btn:hover {
  background-color: #e5e7eb;
  color: #374151;
}

/* 文件表格容器 */
#webp-converter-9d4a .files-table-container {
  width: 100%;
  overflow: hidden;
}

/* 文件表格内容 */
#webp-converter-9d4a .files-table-body {
  width: 100%;
  max-height: 400px;
  overflow-y: auto;
  background-color: white;
}

/* 文件行 - 移动端优化 */
#webp-converter-9d4a .file-row {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  border-bottom: 1px solid #f3f4f6;
  gap: 10px;
  min-height: 60px;
  transition: background-color 0.2s;
  width: 100%;
  overflow: hidden;
}

#webp-converter-9d4a .file-row:hover {
  background-color: #f9fafb;
}

#webp-converter-9d4a .file-row:last-child {
  border-bottom: none;
}

/* 文件信息 */
#webp-converter-9d4a .file-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
}

#webp-converter-9d4a .file-name {
  font-weight: 500;
  color: #111827;
  font-size: 13px;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-break: break-all;
}

#webp-converter-9d4a .file-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: #6b7280;
  flex-wrap: wrap;
}

#webp-converter-9d4a .file-size {
  font-family: 'SF Mono', Monaco, 'Cascadia Mono', monospace;
  font-size: 11px;
}

/* 文件预览 */
#webp-converter-9d4a .file-preview {
  width: 40px;
  height: 40px;
  border-radius: 4px;
  overflow: hidden;
  background-color: #f3f4f6;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
}

#webp-converter-9d4a .file-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

#webp-converter-9d4a .file-preview .preview-placeholder {
  color: #9ca3af;
  font-size: 10px;
  text-align: center;
  padding: 2px;
  word-break: break-word;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-height: 1.2;
}

/* 状态 */
#webp-converter-9d4a .file-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 500;
  padding: 2px 6px;
  border-radius: 8px;
  white-space: nowrap;
  min-width: 60px;
  justify-content: center;
  flex-shrink: 0;
}

#webp-converter-9d4a .status-badge {
  padding: 1px 8px;
  border-radius: 8px;
  font-size: 10px;
  font-weight: 500;
  white-space: nowrap;
  display: inline-block;
  text-align: center;
  min-width: 50px;
}

#webp-converter-9d4a .status-pending {
  background-color: #f3f4f6;
  color: #6b7280;
}

#webp-converter-9d4a .status-converting {
  background-color: #dbeafe;
  color: #1d4ed8;
  animation: pulse-9d4a 1.5s ease-in-out infinite;
}

@keyframes pulse-9d4a {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

#webp-converter-9d4a .status-success {
  background-color: #d1fae5;
  color: #065f46;
}

#webp-converter-9d4a .status-error {
  background-color: #fee2e2;
  color: #dc2626;
}

/* 操作区域 */
#webp-converter-9d4a .file-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  width: 56px;
  justify-content: flex-end;
}

#webp-converter-9d4a .action-btn {
  padding: 4px 8px;
  font-size: 11px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  min-height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
}

#webp-converter-9d4a .action-btn.remove {
  background-color: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
  width: 24px;
  padding: 4px;
  font-size: 12px;
}

#webp-converter-9d4a .action-btn.remove:hover {
  background-color: #fee2e2;
}

#webp-converter-9d4a .action-btn.download {
  background-color: #10b981;
  color: white;
  border: none;
  padding: 4px 8px;
  width: auto;
  min-width: 24px;
  flex: 1;
}

#webp-converter-9d4a .action-btn.download:hover {
  background-color: #059669;
}

#webp-converter-9d4a .action-btn.download:disabled {
  display: none;
}

/* 空状态 */
#webp-converter-9d4a .empty-state {
  text-align: center;
  padding: 40px 20px;
  color: #9ca3af;
  font-size: 13px;
}

/* 移动端优化 */
@media (max-width: 480px) {
  #webp-converter-9d4a {
    font-size: 13px;
  }
  
  #webp-converter-9d4a .upload-zone {
    padding: 20px 12px;
    min-height: 120px;
  }
  
  #webp-converter-9d4a .upload-icon {
    width: 40px;
    height: 40px;
  }
  
  #webp-converter-9d4a .upload-placeholder p {
    font-size: 12px;
  }
  
  #webp-converter-9d4a .hint-text {
    font-size: 11px;
  }
  
  #webp-converter-9d4a .compact-controls {
    padding: 8px 12px;
    gap: 6px;
  }
  
  #webp-converter-9d4a .controls-left,
  #webp-converter-9d4a .controls-right {
    gap: 6px;
  }
  
  #webp-converter-9d4a .format-select {
    font-size: 12px;
    padding: 4px 6px;
    min-width: 70px;
  }
  
  #webp-converter-9d4a .convert-btn.compact {
    font-size: 12px;
    padding: 4px 10px;
  }
  
  #webp-converter-9d4a .file-row {
    padding: 8px 10px;
    gap: 8px;
  }
  
  #webp-converter-9d4a .file-name {
    font-size: 12px;
  }
  
  #webp-converter-9d4a .file-meta {
    font-size: 10px;
  }
  
  #webp-converter-9d4a .file-preview {
    width: 36px;
    height: 36px;
  }
  
  #webp-converter-9d4a .status-badge {
    font-size: 9px;
    min-width: 45px;
  }
  
  #webp-converter-9d4a .action-btn {
    font-size: 10px;
    padding: 3px 6px;
  }
  
  #webp-converter-9d4a .action-btn.remove {
    width: 20px;
    height: 20px;
    font-size: 10px;
    padding: 0;
  }
}

/* 确保不超出容器 */
#webp-converter-9d4a,
#webp-converter-9d4a .converter-area,
#webp-converter-9d4a .upload-zone,
#webp-converter-9d4a .files-converter-area,
#webp-converter-9d4a .files-table-container,
#webp-converter-9d4a .files-table-body,
#webp-converter-9d4a .file-row {
  max-width: 100% !important;
  overflow-x: hidden !important;
}
.helper-section {
  width: 100%;
  margin-top: 20px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 13px;
  color: #374151;
  box-sizing: border-box;
}

.helper-section * {
  box-sizing: border-box;
}

.helper-content {
  max-width: 100%;
  padding: 0;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  overflow: hidden;
}

.helper-content h3 {
  margin: 0;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: #111827;
  background-color: #f9fafb;
  border-bottom: 1px solid #e5e7eb;
}

.helper-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 0;
  border-bottom: 1px solid #f3f4f6;
}

.helper-block {
  padding: 20px;
  border-right: 1px solid #f3f4f6;
}

.helper-block:last-child {
  border-right: none;
}

.helper-block h4 {
  margin: 0 0 12px 0;
  font-size: 14px;
  font-weight: 600;
  color: #111827;
}

.helper-block ul,
.helper-block ol {
  margin: 0;
  padding: 0 0 0 16px;
  list-style-position: outside;
}

.helper-block li {
  margin-bottom: 8px;
  line-height: 1.4;
  font-size: 13px;
  color: #4b5563;
}

.helper-block li:last-child {
  margin-bottom: 0;
}

.helper-block strong {
  color: #111827;
  font-weight: 600;
}

.helper-notes {
  padding: 20px;
}

.helper-notes h4 {
  margin: 0 0 12px 0;
  font-size: 14px;
  font-weight: 600;
  color: #111827;
}

.helper-notes ul {
  margin: 0;
  padding: 0 0 0 16px;
  list-style-type: disc;
}

.helper-notes li {
  margin-bottom: 6px;
  line-height: 1.4;
  font-size: 13px;
  color: #6b7280;
}

.helper-notes li:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .helper-grid {
    grid-template-columns: 1fr;
  }
  
  .helper-block {
    border-right: none;
    border-bottom: 1px solid #f3f4f6;
    padding: 16px 20px;
  }
  
  .helper-block:last-child {
    border-bottom: none;
  }
  
  .helper-notes {
    padding: 16px 20px;
  }
}

@media (max-width: 480px) {
  .helper-content h3 {
    padding: 12px 16px;
    font-size: 14px;
  }
  
  .helper-block {
    padding: 12px 16px;
  }
  
  .helper-block h4,
  .helper-notes h4 {
    font-size: 13px;
    margin-bottom: 8px;
  }
  
  .helper-block li,
  .helper-notes li {
    font-size: 12px;
    margin-bottom: 6px;
  }
  
  .helper-notes {
    padding: 12px 16px;
  }
}