:root {
  --primary: #4472C4;
  --primary-dark: #2F5597;
  --primary-light: #D6E4F0;
  --success: #27AE60;
  --warning: #F39C12;
  --danger: #E74C3C;
  --bg: #F5F7FA;
  --card-bg: #FFFFFF;
  --text: #2C3E50;
  --text-secondary: #7F8C8D;
  --border: #E0E6ED;
  --shadow: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 20px rgba(0,0,0,0.1);
  --radius: 8px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* Header */
.header {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: white;
  padding: 14px 32px;
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.header-left { flex: 1; min-width: 0; }
.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}
.header h1 { font-size: 20px; font-weight: 600; white-space: nowrap; }
.header-sub { font-size: 13px; opacity: 0.85; margin-top: 6px; }

.settings-btn {
  width: 36px; height: 36px;
  border: 1px solid rgba(255,255,255,0.3);
  background: transparent;
  color: rgba(255,255,255,0.8);
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}
.settings-btn:hover {
  background: rgba(255,255,255,0.15);
  color: white;
  transform: rotate(30deg);
}

/* Nav Tabs */
.nav-tabs {
  display: flex;
  gap: 4px;
}
.nav-tab {
  padding: 6px 16px;
  border: 1px solid rgba(255,255,255,0.3);
  background: transparent;
  color: rgba(255,255,255,0.8);
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s;
}
.nav-tab:hover { background: rgba(255,255,255,0.15); color: white; }
.nav-tab.active { background: white; color: var(--primary-dark); border-color: white; }

/* Layout */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
}

/* Platform Tabs */
.platform-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 16px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.platform-tab {
  flex: 1;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
  transition: all 0.2s;
  border-bottom: 3px solid transparent;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
}
.platform-tab:hover { background: #F8F9FB; }
.platform-tab.active {
  border-bottom-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}
.platform-tab .tab-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}
.platform-info {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 12px 20px;
  margin-bottom: 16px;
}

/* 子模型选择条 */
.submodel-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  padding: 10px 16px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.submodel-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}
.submodel-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.submodel-tab {
  padding: 6px 18px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  border-radius: 20px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s;
}
.submodel-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.submodel-tab.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}
.platform-formula {
  font-size: 13px;
  color: var(--text-secondary);
}
.platform-formula strong {
  color: var(--text);
  font-weight: 600;
}

/* Steps */
.steps {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.step {
  flex: 1;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: all 0.2s;
  border-bottom: 3px solid transparent;
}
.step:hover { background: var(--primary-light); }
.step.active {
  border-bottom-color: var(--primary);
  background: var(--primary-light);
}
.step.done { border-bottom-color: var(--success); }
.step-num {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--border);
  color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 14px;
  flex-shrink: 0;
}
.step.active .step-num { background: var(--primary); color: white; }
.step.done .step-num { background: var(--success); color: white; }
.step-info { font-size: 14px; }
.step-info strong { display: block; }
.step-info span { color: var(--text-secondary); font-size: 12px; }

/* Card */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 20px;
}
.card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-title::before {
  content: '';
  width: 4px; height: 18px;
  background: var(--primary);
  border-radius: 2px;
}

/* Upload */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}
.upload-zone:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}
.upload-zone.dragover {
  border-color: var(--primary);
  background: var(--primary-light);
}
.upload-icon { font-size: 48px; margin-bottom: 12px; }
.upload-text { font-size: 15px; color: var(--text-secondary); }
.upload-hint { font-size: 12px; color: var(--text-secondary); margin-top: 8px; }

/* Table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table th {
  background: var(--primary);
  color: white;
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
  position: sticky;
  top: 0;
}
.data-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
.data-table tr:hover { background: var(--primary-light); }
.data-table tr:nth-child(even) { background: #FAFBFC; }
.data-table tr:nth-child(even):hover { background: var(--primary-light); }
.table-wrap {
  max-height: 500px;
  overflow: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

/* Input items */
.item-row {
  display: grid;
  grid-template-columns: 1fr 120px 120px 40px;
  gap: 8px;
  margin-bottom: 8px;
  align-items: center;
}
.item-row input, .item-row select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
}

/* Form */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}
.form-group .hint { font-size: 12px; color: var(--text-secondary); font-weight: 400; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
}
.form-group input:focus, .form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(68,114,196,0.1);
}

/* Slider */
.slider-group {
  display: flex;
  align-items: center;
  gap: 12px;
}
.slider-group input[type="range"] {
  flex: 1;
  height: 6px;
  -webkit-appearance: none;
  background: var(--border);
  border-radius: 3px;
  outline: none;
}
.slider-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
.slider-value {
  min-width: 60px;
  text-align: right;
  font-weight: 600;
  color: var(--primary);
}

/* Button */
.btn {
  padding: 10px 24px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary {
  background: var(--primary);
  color: white;
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-success {
  background: var(--success);
  color: white;
}
.btn-success:hover { background: #229954; }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 6px 14px; font-size: 12px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-group {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 20px;
}
.stat-card .label { font-size: 12px; color: var(--text-secondary); }
.stat-card .value { font-size: 24px; font-weight: 700; margin-top: 4px; }
.stat-card .value.green { color: var(--success); }
.stat-card .value.blue { color: var(--primary); }
.stat-card .value.orange { color: var(--warning); }

/* Badge */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}
.badge-blue { background: var(--primary-light); color: var(--primary-dark); }
.badge-green { background: #D5F5E3; color: #1E8449; }
.badge-orange { background: #FDEBD0; color: #B9770E; }
.badge-gray { background: #ECF0F1; color: #7F8C8D; }

/* Toggle */
.section { display: none; }
.section.active { display: block; }

/* Alert */
.alert {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 13px;
}
.alert-info { background: var(--primary-light); color: var(--primary-dark); }
.alert-success { background: #D5F5E3; color: #1E8449; }
.alert-error { background: #FADBD8; color: #C0392B; }

/* Config table */
.config-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.config-table th {
  background: #ECF0F1;
  padding: 8px 12px;
  text-align: left;
  font-weight: 600;
}
.config-table td {
  padding: 6px 12px;
  border-bottom: 1px solid var(--border);
}
.config-table input {
  width: 80px;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
}

/* Loading */
.loading-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.loading-overlay.active { display: flex; }
.spinner {
  width: 40px; height: 40px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Margin highlight */
.margin-good { color: var(--success); font-weight: 600; }
.margin-warn { color: var(--warning); font-weight: 600; }
.margin-bad { color: var(--danger); font-weight: 600; }

/* Responsive */
@media (max-width: 768px) {
  .form-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .item-row { grid-template-columns: 1fr; }
}

/* Template Tabs */
.template-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--border);
}
.template-tab-btn {
  padding: 8px 20px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s;
}
.template-tab-btn:hover { color: var(--primary); }
.template-tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Template Grid */
.template-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.template-card {
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  background: var(--card-bg);
}
.template-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.template-card.selected {
  border-color: var(--primary);
  background: var(--primary-light);
}
.template-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.template-card-icon {
  font-size: 32px;
  line-height: 1;
}
.template-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.template-card-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  margin-left: 8px;
  vertical-align: middle;
}
.template-card-badge.preset {
  background: var(--primary-light);
  color: var(--primary-dark);
}
.template-card-badge.custom {
  background: #FDEBD0;
  color: #B9770E;
}
.template-card-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  line-height: 1.5;
}
.template-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-secondary);
}
.template-card-meta .item-count {
  font-weight: 600;
  color: var(--primary);
}
.template-card-delete {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 24px;
  height: 24px;
  border: none;
  border-radius: 50%;
  background: #FADBD8;
  color: #C0392B;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s;
}
.template-card:hover .template-card-delete { opacity: 1; }
.template-card-delete:hover { background: #E74C3C; color: white; }
.template-empty {
  padding: 24px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 13px;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}
.modal-content {
  background: white;
  border-radius: 12px;
  width: 90%;
  max-width: 480px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  animation: modalIn 0.2s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(-10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 17px; font-weight: 600; }
.modal-close {
  width: 32px; height: 32px;
  border: none;
  background: transparent;
  font-size: 24px;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-close:hover { background: #ECF0F1; }
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* ========== 操作记录页 ========== */
.audit-filters {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.audit-filters select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  background: white;
  cursor: pointer;
}
.audit-stats {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.audit-stat-item {
  background: var(--primary-light);
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 13px;
}
.audit-stat-item .num {
  font-weight: 700;
  color: var(--primary-dark);
  font-size: 16px;
}
.audit-stat-item .label {
  color: var(--text-secondary);
}

/* 操作类型 badge */
.audit-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}
.audit-badge.rule_update { background: #D6E4F0; color: #2F5597; }
.audit-badge.cost_data_load { background: #D5F5E3; color: #1E8449; }
.audit-badge.template_create { background: #FDEBD0; color: #B9770E; }
.audit-badge.template_delete { background: #FADBD8; color: #C0392B; }
.audit-badge.template_load { background: #EBDEF0; color: #6C3483; }
.audit-badge.calculation { background: #D6EAF8; color: #2471A3; }
.audit-badge.export { background: #FEF9E7; color: #7D6608; }
.audit-badge.version_upgrade { background: #E8F5E9; color: #2E7D32; }
.audit-badge.version_rollback { background: #FFEBEE; color: #C62828; }
.audit-badge.version_sync { background: #E3F2FD; color: #1565C0; }
.audit-badge.settings_update { background: #F3E5F5; color: #6A1B9A; }

/* ========== 系统升级页面样式 ========== */
.version-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #E1251B;
  border-radius: 50%;
  margin-left: 4px;
  vertical-align: top;
  margin-top: 4px;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.version-info-card {
  background: linear-gradient(135deg, #F0F7FF 0%, #E8F4FD 100%);
  border: 1px solid #B3DAFF;
  border-radius: 8px;
  padding: 20px 24px;
}

.version-info-row {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.version-info-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

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

.version-value {
  font-size: 22px;
  font-weight: 600;
  color: #1565C0;
  font-family: 'Consolas', 'Monaco', monospace;
}

.version-separator {
  color: #B3DAFF;
  font-size: 24px;
  font-weight: 300;
}

.version-info-right {
  margin-left: auto;
}

.version-installed-at {
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-secondary);
}

.version-history-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 12px;
  background: #fff;
  transition: all 0.2s;
}

.version-history-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.version-history-item.current {
  border-color: #2E7D32;
  background: #F1F8E9;
}

.version-history-item.latest {
  border-color: #1565C0;
  background: #E3F2FD;
}

.version-history-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.version-number {
  font-size: 18px;
  font-weight: 600;
  color: #1565C0;
  font-family: 'Consolas', 'Monaco', monospace;
}

.version-number-current {
  color: #2E7D32;
}

.version-tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
}

.version-tag-current {
  background: #2E7D32;
  color: white;
}

.version-tag-latest {
  background: #1565C0;
  color: white;
}

.version-tag-rollbackable {
  background: #FFF3E0;
  color: #E65100;
}

.version-time {
  font-size: 12px;
  color: var(--text-secondary);
  margin-left: auto;
}

.version-changelog {
  margin: 10px 0;
  padding-left: 0;
  list-style: none;
}

.changelog-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 6px;
  font-size: 13px;
  line-height: 1.5;
}

.changelog-type {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
  min-width: 56px;
  text-align: center;
}

.changelog-type.feature { background: #E3F2FD; color: #1565C0; }
.changelog-type.fix { background: #E8F5E9; color: #2E7D32; }
.changelog-type.optimize { background: #FFF3E0; color: #E65100; }
.changelog-type.security { background: #FFEBEE; color: #C62828; }

.changelog-channel {
  display: inline-block;
  padding: 1px 6px;
  background: #F5F5F5;
  color: #616161;
  border-radius: 3px;
  font-size: 11px;
  white-space: nowrap;
  flex-shrink: 0;
}

.version-actions {
  margin-top: 12px;
  display: flex;
  gap: 8px;
}

.btn-lg {
  padding: 12px 32px;
  font-size: 15px;
  font-weight: 600;
  min-width: 140px;
}

.upgrade-log-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}

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

.upgrade-log-time {
  color: var(--text-secondary);
  font-size: 12px;
  white-space: nowrap;
}

.upgrade-log-arrow {
  color: var(--text-secondary);
  font-weight: bold;
}

.upgrade-log-versions {
  font-family: 'Consolas', 'Monaco', monospace;
  font-weight: 600;
}

.upgrade-log-empty {
  text-align: center;
  color: var(--text-secondary);
  padding: 20px;
  font-size: 13px;
}
.audit-badge.settings_update { background: #E8DAEF; color: #5B2C6F; }
.audit-badge.sales_report_upload { background: #D4EFDF; color: #1A5276; }
.audit-badge.sales_report_match { background: #D6EAF8; color: #1A5276; }

/* 匹配类型标签 */
.match-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}
.match-badge.exact { background: #D5F5E3; color: #1E8449; }
.match-badge.contains { background: #D6E4F0; color: #2F5597; }
.match-badge.fuzzy { background: #FEF9E7; color: #7D6608; }
.match-badge.manual { background: #F3E5F5; color: #6A1B9A; }
.match-badge.unmatched { background: #FADBD8; color: #C0392B; }

/* 销售报表统计卡 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

/* 详情弹窗内容 */
.audit-detail-section {
  margin-bottom: 16px;
}
.audit-detail-section h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.audit-detail-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.audit-detail-table th {
  background: #ECF0F1;
  padding: 8px 12px;
  text-align: left;
  font-weight: 600;
}
.audit-detail-table td {
  padding: 6px 12px;
  border-bottom: 1px solid var(--border);
}
.audit-detail-table .old-val { color: #C0392B; }
.audit-detail-table .new-val { color: #1E8449; }
.audit-detail-json {
  background: #F8F9FA;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 300px;
  overflow-y: auto;
}
.audit-detail-link {
  color: var(--primary);
  cursor: pointer;
  font-size: 12px;
  text-decoration: underline;
}
.audit-detail-link:hover { color: var(--primary-dark); }

/* ============ 登录页 ============ */
.login-overlay {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, #1a237e 0%, #0d47a1 50%, #01579b 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.login-box {
  background: white;
  border-radius: 16px;
  padding: 40px 36px;
  width: 380px;
  max-width: 90vw;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.login-logo {
  text-align: center;
  font-size: 36px;
  font-weight: 800;
  color: #1565C0;
  margin-bottom: 8px;
  letter-spacing: 4px;
}
.login-title {
  text-align: center;
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-weight: 500;
}
.login-tabs {
  display: flex;
  border-bottom: 2px solid var(--border);
  margin-bottom: 20px;
}
.login-tab {
  flex: 1;
  padding: 10px;
  border: none;
  background: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s;
}
.login-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}
.login-form .form-group {
  margin-bottom: 16px;
}
.login-form .form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}
.login-form .form-group input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 14px;
  box-sizing: border-box;
  transition: border-color 0.2s;
}
.login-form .form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(68,114,196,0.1);
}
.login-alert {
  min-height: 18px;
  font-size: 13px;
  color: var(--danger);
  margin-bottom: 8px;
}
.login-alert.success { color: var(--success); }
.login-hint {
  text-align: center;
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 12px;
}
.btn-block {
  width: 100%;
  padding: 12px;
  font-size: 15px;
  font-weight: 600;
}

/* ============ 用户信息 ============ */
.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
}
.user-name {
  font-size: 13px;
  font-weight: 600;
  color: white;
}

/* ============ 用户管理 ============ */
.user-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.user-card:last-child { border-bottom: none; }
.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
}
.user-card-info {
  flex: 1;
  min-width: 160px;
}
.user-card-name {
  font-weight: 600;
  font-size: 14px;
}
.user-card-meta {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}
.user-status-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}
.user-status-badge.approved { background: #D5F5E3; color: #1E8449; }
.user-status-badge.pending { background: #FEF9E7; color: #7D6608; }
.user-status-badge.rejected { background: #FADBD8; color: #C0392B; }
.user-status-badge.disabled { background: #E0E0E0; color: #616161; }
.user-role-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  margin-left: 6px;
}
.user-role-badge.admin { background: #F3E5F5; color: #6A1B9A; }
.user-role-badge.user { background: #D6E4F0; color: #2F5597; }
.user-actions {
  display: flex;
  gap: 8px;
}