/* 认证单元划分工具 - 样式文件 */

:root {
  --primary-color: #409eff;
  --success-color: #67c23a;
  --warning-color: #e6a23c;
  --danger-color: #f56c6c;
  --info-color: #909399;
  --bg-color: #f5f7fa;
  --border-color: #dcdfe6;
  --text-primary: #303133;
  --text-regular: #606266;
  --text-secondary: #909399;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* 头部 */
.header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 30px 20px;
  text-align: center;
  margin-bottom: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.header h1 {
  font-size: 28px;
  margin-bottom: 10px;
}

.header p {
  font-size: 14px;
  opacity: 0.9;
}

/* 模式切换 */
.mode-tabs {
  display: flex;
  background: white;
  border-radius: 8px;
  padding: 5px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.mode-tab {
  flex: 1;
  padding: 12px 20px;
  text-align: center;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.3s;
  font-weight: 500;
}

.mode-tab:hover {
  background-color: var(--bg-color);
}

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

/* 卡片 */
.card {
  background: white;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-title .icon {
  font-size: 20px;
}

/* 表单 */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-regular);
}

.form-label .required {
  color: var(--danger-color);
  margin-left: 4px;
}

.form-control {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 14px;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(64, 158, 255, 0.1);
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 10px center;
  background-repeat: no-repeat;
  background-size: 20px;
  padding-right: 40px;
}

textarea.form-control {
  min-height: 80px;
  resize: vertical;
}

/* 表单网格布局 */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
}

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

.btn-primary:hover {
  background-color: #337ecc;
}

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

.btn-success:hover {
  background-color: #529b2e;
}

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

.btn-warning:hover {
  background-color: #b88230;
}

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

.btn-danger:hover {
  background-color: #c45656;
}

.btn-secondary {
  background-color: #f0f2f5;
  color: var(--text-regular);
}

.btn-secondary:hover {
  background-color: #e4e7ed;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* 结果展示 */
.result-box {
  background: linear-gradient(135deg, #f5f7fa 0%, #e4e7ed 100%);
  border-radius: 8px;
  padding: 20px;
  margin-top: 20px;
}

.result-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--success-color);
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.result-item {
  display: flex;
  margin-bottom: 10px;
  align-items: flex-start;
}

.result-label {
  width: 100px;
  flex-shrink: 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.result-value {
  flex: 1;
  font-weight: 500;
  word-break: break-all;
}

.result-code {
  font-family: 'Monaco', 'Consolas', monospace;
  background: white;
  padding: 8px 12px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  font-size: 14px;
}

/* 错误提示 */
.error-list {
  background-color: #fef0f0;
  border: 1px solid #fbc4c4;
  border-radius: 6px;
  padding: 15px;
  margin-top: 15px;
}

.error-list-title {
  color: var(--danger-color);
  font-weight: 600;
  margin-bottom: 10px;
}

.error-item {
  color: var(--danger-color);
  font-size: 14px;
  padding: 5px 0;
  padding-left: 20px;
  position: relative;
}

.error-item::before {
  content: '•';
  position: absolute;
  left: 8px;
}

/* 警告提示（重复型号） */
.warning-list {
  background-color: #fdf6ec;
  border: 1px solid #f5dab1;
  border-radius: 6px;
  padding: 15px;
}

.warning-list-title {
  color: var(--warning-color);
  font-weight: 600;
  margin-bottom: 10px;
}

.warning-item {
  color: #a77730;
  font-size: 14px;
  padding: 8px 0;
  padding-left: 20px;
  position: relative;
  border-bottom: 1px dashed #f5dab1;
}

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

.warning-item::before {
  content: '⚠';
  position: absolute;
  left: 0;
}

.warning-item strong {
  color: var(--warning-color);
  background: #fff7e6;
  padding: 2px 6px;
  border-radius: 3px;
  font-family: 'Monaco', 'Consolas', monospace;
}

/* 文件上传区域 */
.upload-area {
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  padding: 40px;
  text-align: center;
  transition: all 0.3s;
  cursor: pointer;
}

.upload-area:hover {
  border-color: var(--primary-color);
  background-color: rgba(64, 158, 255, 0.05);
}

.upload-area.dragover {
  border-color: var(--primary-color);
  background-color: rgba(64, 158, 255, 0.1);
}

.upload-icon {
  font-size: 48px;
  color: var(--info-color);
  margin-bottom: 15px;
}

.upload-text {
  color: var(--text-regular);
  margin-bottom: 10px;
}

.upload-hint {
  font-size: 12px;
  color: var(--text-secondary);
}

/* 模板下载 */
.template-section {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.template-title {
  font-weight: 500;
  margin-bottom: 10px;
  color: var(--text-regular);
}

.template-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 汇总统计 */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 15px;
  margin-bottom: 20px;
}

.summary-item {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 20px;
  border-radius: 8px;
  text-align: center;
}

.summary-value {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 5px;
}

.summary-label {
  font-size: 14px;
  opacity: 0.9;
}

/* 单元列表 */
.unit-list {
  margin-top: 20px;
}

.unit-item {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.unit-header {
  background: var(--bg-color);
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.unit-header:hover {
  background: #ebeef5;
}

.unit-number {
  background: var(--primary-color);
  color: white;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  margin-right: 12px;
}

.unit-info {
  flex: 1;
}

.unit-name {
  font-weight: 600;
  margin-bottom: 4px;
}

.unit-code {
  font-size: 12px;
  color: var(--text-secondary);
  font-family: 'Monaco', 'Consolas', monospace;
}

.unit-count {
  background: var(--success-color);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
}

.unit-body {
  padding: 15px 20px;
  border-top: 1px solid var(--border-color);
}

.model-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.model-tag {
  background: #ecf5ff;
  color: var(--primary-color);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 13px;
}

/* 加载状态 */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--text-secondary);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 15px;
}

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

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.empty-icon {
  font-size: 64px;
  margin-bottom: 15px;
  opacity: 0.5;
}

/* 分类统计表格 */
.stats-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
}

.stats-table th,
.stats-table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.stats-table th {
  background: var(--bg-color);
  font-weight: 600;
  color: var(--text-regular);
}

.stats-table tr:hover td {
  background: #fafafa;
}

/* 响应式 */
@media (max-width: 768px) {
  .container {
    padding: 15px;
  }

  .header {
    padding: 20px 15px;
  }

  .header h1 {
    font-size: 22px;
  }

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

  .mode-tabs {
    flex-direction: column;
  }

  .btn-group {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

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

/* 页脚 */
.footer {
  text-align: center;
  padding: 30px;
  color: var(--text-secondary);
  font-size: 14px;
}

.footer a {
  color: var(--primary-color);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}