* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 14px; color: #1f2937; background: #f0f2f5; }
a { text-decoration: none; color: inherit; }

/* 按钮 */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 8px 16px; border-radius: 6px; border: 1px solid transparent; font-size: 14px; cursor: pointer; transition: all 0.2s; background: #fff; }
.btn-primary { background: #1e3a5f; color: #fff; border-color: #1e3a5f; }
.btn-primary:hover { background: #2a4d7a; }
.btn-default { background: #fff; color: #374151; border-color: #d1d5db; }
.btn-default:hover { background: #f9fafb; }
.btn-danger { background: #dc2626; color: #fff; border-color: #dc2626; }
.btn-danger:hover { background: #b91c1c; }
.btn-success { background: #16a34a; color: #fff; border-color: #16a34a; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-xs { padding: 2px 8px; font-size: 12px; }
.btn-block { width: 100%; }

/* 卡片 */
.card { background: #fff; border-radius: 12px; border: 1px solid #e5e7eb; box-shadow: 0 2px 6px rgba(0,0,0,0.08); margin-bottom: 16px; }
.card-header { padding: 16px 20px; border-bottom: 1px solid #e5e7eb; font-weight: 600; font-size: 16px; display: flex; justify-content: space-between; align-items: center; }
.card-body { padding: 20px; }

/* 表格 */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid #e5e7eb; }
.table th { background: #f9fafb; font-weight: 600; color: #374151; font-size: 13px; }
.table tr:hover td { background: #f9fafb; }
.table-header th { font-weight: 600; }

/* 状态标签 */
.badge { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 12px; font-weight: 500; }
.badge-normal { background: #dcfce7; color: #166534; }
.badge-abnormal { background: #fee2e2; color: #991b1b; }
.badge-pending { background: #fef3c7; color: #92400e; }
.badge-processing { background: #dbeafe; color: #1e40af; }
.badge-completed { background: #dcfce7; color: #166534; }
.badge-maintenance { background: #dbeafe; color: #1e40af; }
.badge-repair { background: #fee2e2; color: #991b1b; }
.badge-fault { background: #fee2e2; color: #991b1b; }

/* 表单 */
.form-group { margin-bottom: 16px; }
.form-label { display: block; margin-bottom: 6px; font-weight: 500; color: #374151; }
.form-input, .form-select, .form-textarea { width: 100%; padding: 8px 12px; border: 1px solid #d1d5db; border-radius: 6px; font-size: 14px; outline: none; transition: border-color 0.2s; }
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: #1e3a5f; box-shadow: 0 0 0 3px rgba(30,58,95,0.1); }
.form-textarea { min-height: 100px; resize: vertical; }
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }

/* 筛选栏 */
.filter-bar { background: #fff; border-radius: 12px; padding: 16px 20px; margin-bottom: 16px; border: 1px solid #e5e7eb; display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.filter-bar .form-group { margin-bottom: 0; min-width: 160px; }

/* 操作按钮组 */
.table-actions { display: flex; gap: 8px; }
.table-actions .btn { padding: 2px 10px; font-size: 12px; }

/* 分页 */
.pagination { display: flex; gap: 4px; justify-content: center; padding: 20px 0; }
.pagination-item { min-width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border: 1px solid #d1d5db; border-radius: 6px; cursor: pointer; background: #fff; font-size: 13px; }
.pagination-item.active { background: #1e3a5f; color: #fff; border-color: #1e3a5f; }
.pagination-item:hover:not(.active) { background: #f9fafb; }

/* 提示消息 */
.flash-msg { padding: 12px 20px; margin: 16px 0; border-radius: 8px; font-size: 14px; }
.flash-success { background: #dcfce7; color: #166534; border: 1px solid #86efac; }
.flash-error { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }

/* 空状态 */
.empty-state { text-align: center; padding: 60px 20px; color: #9ca3af; }

/* 统计卡片 */
.stat-card { background: #fff; border-radius: 12px; padding: 20px; border: 1px solid #e5e7eb; }
.stat-card .stat-value { font-size: 28px; font-weight: 700; color: #1f2937; }
.stat-card .stat-label { color: #6b7280; font-size: 13px; margin-top: 4px; }

/* 上传区 */
.upload-area { border: 2px dashed #d1d5db; border-radius: 8px; padding: 30px; text-align: center; color: #6b7280; cursor: pointer; transition: border-color 0.2s; }
.upload-area:hover { border-color: #1e3a5f; }