:root {
  --primary-color: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: #818cf8;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --info-color: #3b82f6;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md:
    0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px 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);
  --shadow-xl:
    0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
  color: var(--gray-900);
  line-height: 1.6;
}

/* 登录页面 */
#loginPage {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  position: relative;
  overflow: hidden;
}

.login-card {
  background: white;
  padding: 3rem;
  border-radius: 1.5rem;
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 32rem;
  position: relative;
  z-index: 1;
}

.login-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.login-title {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

/* 导航栏 */
.navbar {
  background: white;
  box-shadow: var(--shadow);
  border-bottom: 1px solid var(--gray-100);
  position: sticky;
  top: 0;
  z-index: 40;
}

.navbar-container {
  max-width: 90rem;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4.5rem;
}

.navbar-brand {
  display: flex;
  align-items: center;
}

.navbar-title {
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.user-info-card {
  display: flex;
  align-items: stretch;
  gap: 0.75rem;
  text-align: right;
  padding: 0.5rem 1rem;
  background: var(--gray-50);
  border-radius: 0.75rem;
}

.root-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.5rem;
  width: 2.5rem;
  background: transparent;
  color: #dc2626;
  font-weight: 700;
  font-size: 1rem;
  border: 2px solid #dc2626;
  border-radius: 0.5rem;
  transition: all 0.2s ease;
}

.user-info-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.user-name {
  font-weight: 600;
  color: var(--gray-900);
  font-size: 0.875rem;
  line-height: 1.2;
}

.user-balance {
  font-size: 0.875rem;
  color: var(--success-color);
  font-weight: 500;
  line-height: 1.2;
}

/* 主容器 */
.main-container {
  max-width: 90rem;
  margin: 0 auto;
  padding: 2.5rem 2rem;
}

/* 选项卡导航 */
.tab-navigation {
  display: flex;
  gap: 1rem;
  border-bottom: 2px solid var(--gray-100);
  margin-bottom: 2.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tab-button {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.75rem;
  border: none;
  background: none;
  color: var(--gray-500);
  font-weight: 500;
  font-size: 0.9375rem;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.tab-button:hover {
  color: var(--gray-700);
}

.tab-button.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.tab-icon {
  width: 1.25rem;
  height: 1.25rem;
}

/* 内容卡片 */
.content-card {
  background: white;
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
  padding: 2rem;
  animation: fadeInUp 0.4s ease-out;
  border: 1px solid var(--gray-100);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

/* 表单样式 */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.form-vertical {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

.form-label.required::after {
  content: " *";
  color: var(--danger-color);
}

.form-input {
  padding: 0.75rem 1rem;
  border: 2px solid var(--gray-200);
  border-radius: 0.5rem;
  font-size: 0.9375rem;
  transition: all 0.3s ease;
  background: white;
}

textarea.form-input {
  resize: vertical;
  min-height: 100px;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input:hover {
  border-color: var(--gray-300);
}

.form-hint {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: 0.375rem;
}

.form-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

/* 按钮样式 */
.btn-primary,
.btn-success,
.btn-info,
.btn-warning,
.btn-danger,
.btn-outline-danger,
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  border: none;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--gray-700);
  border: 2px solid var(--gray-300);
}

.btn-outline:hover:not(:disabled) {
  background: var(--gray-100);
  border-color: var(--gray-400);
}

.btn-outline-danger {
  background: transparent;
  color: var(--danger-color);
  border: 2px solid var(--danger-color);
}

.btn-outline-danger:hover:not(:disabled) {
  background: var(--danger-color);
  color: white;
}

.btn-copy {
  background: var(--primary-color);
  color: white;
  padding: 0.375rem 0.75rem;
  border: none;
  border-radius: 0.375rem;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  transition: all 0.2s;
}

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

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-spinner-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-spinner-wrapper + .btn-spinner-text {
  margin-left: 0.5rem;
}

.btn-spinner {
  width: 1.125rem;
  height: 1.125rem;
  animation: spin 1s linear infinite;
}

.btn-spinner-text {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.btn-loading {
  width: 1.125rem;
  height: 1.125rem;
  animation: spin 1s linear infinite;
}

.spinner {
  stroke: currentColor;
  stroke-dasharray: 50;
  stroke-dashoffset: 50;
  animation: dash 1.5s ease-in-out infinite;
}

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

@keyframes dash {
  0% {
    stroke-dashoffset: 50;
  }
  50% {
    stroke-dashoffset: 0;
  }
  100% {
    stroke-dashoffset: -50;
  }
}

/* 通知样式 */
#notificationContainer {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.notification {
  min-width: 280px;
  max-width: 400px;
  padding: 1rem 1.25rem;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-lg);
  transform: translateX(400px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.notification.show {
  transform: translateX(0);
  opacity: 1;
}

.notification-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.notification-icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

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

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

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

.notification-info {
  background: var(--info-color);
  color: white;
}

/* 弹窗样式 */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 50;
}

.modal-content {
  background: white;
  border-radius: 1rem;
  width: 100%;
  max-width: 48rem;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  border-bottom: 1px solid var(--gray-100);
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
}

.modal-close {
  background: none;
  border: none;
  padding: 0.375rem;
  cursor: pointer;
  color: var(--gray-400);
  transition: all 0.2s;
  border-radius: 0.375rem;
}

.modal-close:hover {
  color: var(--gray-600);
  background: var(--gray-100);
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
}

.modal-message {
  color: var(--gray-700);
  line-height: 1.6;
  white-space: pre-line;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 0 1.5rem 1.5rem;
}

.result-content {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 0.5rem;
  padding: 1rem;
  font-family: "Monaco", "Courier New", monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

/* 分区标题 */
.section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-700);
  margin-top: 2rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--gray-200);
}

.section-title:first-child {
  margin-top: 0;
}

/* 数据表格 */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  overflow: hidden;
}

.table-header {
  background: var(--gray-50);
}

.table-header th {
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--gray-700);
  border-bottom: 2px solid var(--gray-200);
}

.table-row {
  transition: background-color 0.2s;
}

.table-row:hover {
  background-color: var(--gray-50);
}

.table-row td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.875rem;
  color: var(--gray-700);
}

/* 统计卡片 */
.provider-stats-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: white;
  padding: 1.5rem;
  border-radius: 1rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-icon {
  width: 4rem;
  height: 4rem;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-content {
  flex: 1;
  min-width: 0;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: 0.25rem;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gray-900);
}

/* 操作日志 */
.logs-container {
  max-width: 90rem;
  margin: 0 auto;
}

.logs-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.logs-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
}

.logs-filters {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  background: white;
  padding: 1.5rem;
  border-radius: 0.75rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
}

.filter-group {
  flex: 1;
}

.filter-group input,
.filter-group select {
  width: 100%;
}

.logs-table-container {
  background: white;
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 1px solid var(--gray-100);
}

.logs-table {
  width: 100%;
}

.logs-table thead th {
  background: var(--gray-50);
  font-weight: 600;
  color: var(--gray-700);
  padding: 1rem;
  text-align: left;
  font-size: 0.875rem;
  border-bottom: 2px solid var(--gray-200);
}

.log-row:hover {
  background-color: var(--gray-50);
}

.log-time {
  font-family: "Monaco", "Courier New", monospace;
  font-size: 0.875rem;
  color: var(--gray-600);
  white-space: nowrap;
}

.operator-info,
.target-info {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.operator-name,
.target-name {
  font-weight: 500;
  color: var(--gray-900);
}

.operator-id,
.target-id {
  font-size: 0.75rem;
  color: var(--gray-500);
}

.log-action {
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  display: inline-block;
}

.action-create {
  background: #d1fae5;
  color: #065f46;
}

.action-update {
  background: #dbeafe;
  color: #1e40af;
}

.action-view {
  background: #e9d5ff;
  color: #6b21a8;
}

.action-delete {
  background: #fee2e2;
  color: #991b1b;
}

.action-news {
  background: #ffedd5;
  color: #ea580c;
}

.action-default {
  background: var(--gray-100);
  color: var(--gray-700);
}

.log-details {
  max-width: 300px;
}

.log-details-text {
  font-size: 0.875rem;
  color: var(--gray-600);
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.log-details-json {
  color: var(--primary-color);
  cursor: pointer;
  font-size: 0.875rem;
  text-decoration: underline;
  transition: color 0.2s;
}

.log-details-json:hover {
  color: var(--primary-hover);
}

.log-ip {
  font-family: "Monaco", "Courier New", monospace;
  font-size: 0.875rem;
  color: var(--gray-600);
}

/* 加载状态 */
.loading-state,
.empty-state,
.logs-loading,
.no-logs {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--gray-500);
}

.loading-spinner {
  margin: 0 auto 1.5rem;
  width: 3rem;
  height: 3rem;
}

.spinner-icon {
  animation: spin 1s linear infinite;
}

.spinner-circle {
  stroke: var(--primary-color);
  stroke-dasharray: 125;
  stroke-dashoffset: 125;
  animation: dash 1.5s ease-in-out infinite;
}

/* 广播通知优化样式 */
.news-create-card {
  background: white;
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
  padding: 2rem;
  margin-bottom: 2rem;
  border: 1px solid var(--gray-100);
}

.news-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--gray-100);
}

.news-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
}

.news-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.news-target-selector {
  margin-top: 0.5rem;
}

.target-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-top: 0.75rem;
}

.target-option {
  position: relative;
  cursor: pointer;
}

.target-option input[type="radio"] {
  position: absolute;
  opacity: 0;
}

.target-option-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border: 2px solid var(--gray-200);
  border-radius: 0.75rem;
  transition: all 0.2s;
}

.target-option input[type="radio"]:checked + .target-option-content {
  border-color: var(--primary-color);
  background-color: var(--primary-color);
  background-color: rgba(99, 102, 241, 0.05);
}

.target-option svg {
  color: var(--gray-400);
  transition: color 0.2s;
}

.target-option input[type="radio"]:checked + .target-option-content svg {
  color: var(--primary-color);
}

.target-title {
  font-weight: 600;
  color: var(--gray-900);
  font-size: 0.875rem;
}

.target-desc {
  font-size: 0.75rem;
  color: var(--gray-500);
}

.news-list-container {
  background: white;
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  border: 1px solid var(--gray-100);
}

.news-list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gray-100);
}

.news-list-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.news-item {
  background: var(--gray-50);
  padding: 1.25rem;
  border-radius: 0.75rem;
  border: 1px solid var(--gray-200);
  transition: all 0.2s;
}

.news-item:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-sm);
}

.news-item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.news-item-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.news-item-title h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
}

.news-type-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}

.news-type-sys {
  background: #dbeafe;
  color: #1e40af;
}

.news-type-user {
  background: #d1fae5;
  color: #065f46;
}

.news-type-dna {
  background: #e9d5ff;
  color: #6b21a8;
}

.news-content {
  color: var(--gray-600);
  font-size: 0.875rem;
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.news-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--gray-500);
}

.news-time {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.news-expire {
  font-weight: 500;
}

.news-expire.expired {
  color: var(--danger-color);
}

.news-expire.warning {
  color: var(--warning-color);
}

.delete-news-btn {
  background: none;
  border: none;
  padding: 0.25rem;
  cursor: pointer;
  color: var(--danger-color);
  opacity: 0.7;
  transition: opacity 0.2s;
  border-radius: 0.25rem;
}

.delete-news-btn:hover {
  opacity: 1;
  background-color: rgba(239, 68, 68, 0.1);
}

/* API 文档页面样式 */
.api-docs-container {
  max-width: 80rem;
  margin: 0 auto;
  padding: 1.5rem;
}

.api-section {
  background: white;
  border-radius: 1rem;
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-100);
  animation: fadeInUp 0.4s ease-out;
}

.api-section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.api-link-card {
  background: var(--gray-50);
  padding: 1rem 1.5rem;
  border-radius: 0.5rem;
  border: 1px solid var(--gray-200);
}

.api-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s;
}

.api-link:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.providers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.provider-card {
  background: var(--gray-50);
  padding: 1.25rem;
  border-radius: 0.75rem;
  border: 1px solid var(--gray-200);
  transition: all 0.3s ease;
}

.provider-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.provider-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.provider-link {
  color: var(--primary-color);
  text-decoration: none;
  font-size: 0.875rem;
  transition: all 0.2s;
}

.provider-link:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.api-note {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: white;
  padding: 1.5rem;
  border-radius: 0.75rem;
  margin-top: 1rem;
}

.api-note p {
  margin: 0;
  line-height: 1.6;
}

.code-example {
  margin-bottom: 2rem;
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.code-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-900);
}

.btn-copy-code {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-copy-code:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.code-block {
  background: #1e293b;
  color: #e2e8f0;
  padding: 1.5rem;
  border-radius: 0.75rem;
  overflow-x: auto;
  font-family: "Monaco", "Courier New", monospace;
  font-size: 0.875rem;
  line-height: 1.5;
  box-shadow: var(--shadow);
}

.code-block code {
  display: block;
  white-space: pre;
}

/* 移动端优化 */
@media (max-width: 768px) {
  .api-docs-container {
    padding: 1rem;
  }

  .api-section {
    padding: 1.5rem;
    margin-bottom: 1rem;
  }

  .api-section-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
  }

  .providers-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .provider-card {
    padding: 1rem;
  }

  .api-note {
    padding: 1.25rem;
    font-size: 0.875rem;
  }

  .code-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .btn-copy-code {
    width: 100%;
    justify-content: center;
  }

  .code-block {
    padding: 1rem;
    font-size: 0.75rem;
  }

  .user-info-card {
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
  }

  .root-badge .manage-badge {
    width: 1.25rem;
    font-size: 0.6875rem;
    border-width: 1px;
  }

  .user-name,
  .user-balance {
    font-size: 0.75rem;
  }
}

@media (max-width: 640px) {
  .providers-grid {
    grid-template-columns: 1fr;
  }
}

/* 代码高亮增强 */
.code-block .api-base-url,
.code-block .api-base-url-anthropic {
  color: #fbbf24;
  font-weight: 500;
}

/* Provider 管理页面样式 */
.provider-list-container {
  background: white;
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  margin-top: 2rem;
  border: 1px solid var(--gray-100);
}

.provider-list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.provider-list-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
}

.provider-levels {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.provider-level-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 0.75rem;
  overflow: hidden;
  transition: all 0.3s ease;
}

.provider-level-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--primary-color);
}

.level-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem;
  background: white;
}

.level-info {
  flex: 1;
}

.level-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
}

.level-primary {
  font-size: 0.875rem;
  color: var(--gray-600);
}

.level-stats {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.stat-badge {
  padding: 0.25rem 0.75rem;
  background: white;
  border: 1px solid var(--gray-300);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gray-700);
}

.btn-toggle-keys {
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--gray-600);
  transition: all 0.2s;
  border-radius: 0.375rem;
}

.btn-toggle-keys:hover {
  background: var(--gray-200);
  color: var(--gray-800);
}

.btn-toggle-keys svg {
  transition: transform 0.3s ease;
}

.btn-toggle-keys svg.rotate-180 {
  transform: rotate(180deg);
}

.level-providers {
  padding: 0 1.25rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.providers-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  margin: 0;
}

.providers-list {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.provider-tag {
  padding: 0.25rem 0.625rem;
  background: var(--primary-color);
  color: white;
  border-radius: 0.375rem;
  font-size: 0.75rem;
  font-weight: 500;
}

.level-keys {
  background: white;
  border-top: 1px solid var(--gray-200);
  overflow-x: auto;
}

.keys-table {
  width: 100%;
  border-collapse: collapse;
}

.keys-table thead th {
  background: var(--gray-50);
  padding: 0.75rem;
  text-align: left;
  font-weight: 600;
  color: var(--gray-700);
  font-size: 0.875rem;
  border-bottom: 1px solid var(--gray-200);
}

.key-row:hover {
  background-color: var(--gray-50);
}

.key-row td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.875rem;
}

.key-id {
  font-weight: 600;
  color: var(--gray-900);
}

.key-name {
  color: var(--gray-700);
}

.key-provider {
  font-family: "Monaco", "Courier New", monospace;
  font-size: 0.8125rem;
  color: var(--gray-600);
}

.secret-key-display {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.secret-key-text {
  font-family: "Monaco", "Courier New", monospace;
  font-size: 0.75rem;
  color: var(--gray-700);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-copy-key {
  background: none;
  border: none;
  padding: 0.25rem;
  cursor: pointer;
  color: var(--gray-400);
  transition: all 0.2s;
  border-radius: 0.25rem;
}

.btn-copy-key:hover {
  background: var(--gray-100);
  color: var(--primary-color);
}

.status-badge {
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}

.status-active {
  background: #d1fae5;
  color: #065f46;
}

.status-inactive {
  background: #fee2e2;
  color: #991b1b;
}

.key-actions {
  display: flex;
  gap: 0.5rem;
}

.btn-edit-key,
.btn-delete-key {
  background: none;
  border: none;
  padding: 0.375rem;
  cursor: pointer;
  border-radius: 0.375rem;
  transition: all 0.2s;
}

.btn-edit-key {
  color: var(--info-color);
}

.btn-edit-key:hover {
  background: #dbeafe;
}

.btn-delete-key {
  color: var(--danger-color);
}

.btn-delete-key:hover {
  background: #fee2e2;
}

/* 系统配置样式 */
.config-form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.config-section {
  background: var(--gray-50);
  border-radius: 0.75rem;
  padding: 1.5rem;
  border: 1px solid var(--gray-200);
}

.config-section .section-title {
  margin-top: 0;
  margin-bottom: 1.25rem;
  font-size: 1.125rem;
  color: var(--gray-800);
  border-bottom: 2px solid var(--gray-300);
  padding-bottom: 0.75rem;
}

.config-form .form-group {
  margin-bottom: 1rem;
}

.config-form .form-group:last-child {
  margin-bottom: 0;
}

/* PRICING 统计（移动端优化） */
.pricing-stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  line-height: 1;
}

.pricing-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  border: 1px solid var(--gray-300);
  background: #fff;
  color: var(--gray-700);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
}

.pricing-chip strong {
  font-weight: 700;
  color: var(--gray-900);
}
.pricing-chip .dot {
  width: 6px;
  height: 6px;
  border-radius: 9999px;
  display: inline-block;
}

.pricing-chip--total {
  border-color: var(--primary-color);
  background: rgba(99, 102, 241, 0.06);
}

.chip--bytes {
  background: var(--gray-50);
}

.chip--chat {
  background: #eef2ff;
  border-color: #c7d2fe;
  color: #4338ca;
}
.chip--chat .dot {
  background: #6366f1;
}

.chip--img {
  background: #faf5ff;
  border-color: #e9d5ff;
  color: #6b21a8;
}
.chip--img .dot {
  background: #a78bfa;
}

.chip--audio {
  background: #fffbeb;
  border-color: #fde68a;
  color: #92400e;
}
.chip--audio .dot {
  background: #f59e0b;
}

.chip--call {
  background: #ecfeff;
  border-color: #a5f3fc;
  color: #0e7490;
}
.chip--call .dot {
  background: #22d3ee;
}

.chip--rerank {
  background: #fdf2f8;
  border-color: #fbcfe8;
  color: #9d174d;
}
.chip--rerank .dot {
  background: #ec4899;
}

.chip--ft {
  background: #f0fdf4;
  border-color: #bbf7d0;
  color: #166534;
}
.chip--ft .dot {
  background: #10b981;
}

@media (max-width: 768px) {
  .pricing-stats {
    gap: 0.375rem;
  }
  .pricing-chip {
    font-size: 0.6875rem;
    padding: 0.2rem 0.5rem;
  }
}

.config-form textarea.form-input {
  font-family: "Monaco", "Courier New", monospace;
  font-size: 0.875rem;
  line-height: 1.5;
}

/* 编辑弹窗特定样式 */
.secret-key-edit-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* 开关切换样式 */
.status-toggle {
  display: flex;
  align-items: center;
}

.toggle-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}

.toggle-switch input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 24px;
  background-color: var(--gray-300);
  border-radius: 24px;
  transition: background-color 0.3s;
}

.toggle-slider::before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  border-radius: 50%;
  transition: transform 0.3s;
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--success-color);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(24px);
}

.toggle-label {
  margin-left: 12px;
  display: flex;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.toggle-on,
.toggle-off {
  transition: opacity 0.3s;
}

.toggle-switch input:checked ~ .toggle-label .toggle-off {
  opacity: 0.5;
}

.toggle-switch input:not(:checked) ~ .toggle-label .toggle-on {
  opacity: 0.5;
}

/* 背景色辅助类 */
.bg-blue-100 {
  background: #dbeafe;
}

.text-blue-600 {
  color: #2563eb;
}

.bg-green-100 {
  background: #d1fae5;
}

.text-green-600 {
  color: #059669;
}

.bg-purple-100 {
  background: #e9d5ff;
}

.text-purple-600 {
  color: #9333ea;
}

/* 工具类 */
.hidden {
  display: none !important;
}

.col-span-2 {
  grid-column: span 2;
}

.w-full {
  width: 100%;
}

.text-red-600 {
  color: var(--danger-color);
}

.text-primary {
  color: var(--primary-color);
}

.hover\:underline:hover {
  text-decoration: underline;
}

.transform {
  transform: translateZ(0);
}

.transition-transform {
  transition-property: transform;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}

.rotate-180 {
  transform: rotate(180deg);
}

/* SVG 图标尺寸 */
.w-16 {
  width: 4rem;
}

.h-16 {
  height: 4rem;
}

.w-8 {
  width: 2rem;
}

.h-8 {
  height: 2rem;
}

.w-6 {
  width: 1.5rem;
}

.h-6 {
  height: 1.5rem;
}

.w-5 {
  width: 1.25rem;
}

.h-5 {
  height: 1.25rem;
}

.w-4 {
  width: 1rem;
}

.h-4 {
  height: 1rem;
}

/* 间距 */
.mr-2 {
  margin-right: 0.5rem;
}

.mr-3 {
  margin-right: 0.75rem;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mt-2 {
  margin-top: 0.5rem;
}

.mt-6 {
  margin-top: 1.5rem;
}

.space-y-6 > * + * {
  margin-top: 1.5rem;
}

/* 布局 */
.text-center {
  text-align: center;
}

.text-gray-500 {
  color: var(--gray-500);
}

.min-h-screen {
  min-height: 100vh;
}

.flex {
  display: flex;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-1 {
  gap: 0.25rem;
}

/* 初始加载遮罩 */
#initialLoader {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  transition: opacity 0.3s ease-in-out;
}

#initialLoader.fade-out {
  opacity: 0;
}

/* 页面切换动画 */
#loginPage,
#mainApp {
  animation: fadeIn 0.3s ease-in-out;
}

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

.tab-content {
  animation: fadeIn 0.3s ease-out;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .login-card {
    padding: 2rem 1.5rem;
    margin: 1rem;
  }

  .login-title {
    font-size: 2rem;
  }

  .navbar-container {
    padding: 0 1rem;
  }

  .navbar-brand img {
    width: 48px;
  }

  .navbar-title {
    font-size: 1.25rem;
  }

  .navbar-actions {
    gap: 0.75rem;
  }

  .btn-outline-danger {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
  }

  .btn-outline-danger .w-4 {
    display: none;
  }

  .main-container {
    padding: 1.5rem 1rem;
  }

  .tab-navigation {
    gap: 0.25rem;
    margin-bottom: 1.5rem;
  }

  .tab-button {
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
  }

  .tab-icon {
    width: 1rem;
    height: 1rem;
  }

  .content-card,
  .news-create-card,
  .news-list-container {
    padding: 1.5rem;
    border-radius: 0.75rem;
  }

  .card-title {
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
  }

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

  .col-span-2 {
    grid-column: span 1;
  }

  .form-actions {
    margin-top: 1.25rem;
  }

  .logs-header {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .logs-filters {
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem;
  }

  .logs-table {
    font-size: 0.75rem;
  }

  .logs-table thead th,
  .logs-table tbody td {
    padding: 0.625rem 0.5rem;
  }

  .logs-table thead th:nth-child(6),
  .logs-table tbody td:nth-child(6) {
    display: none;
  }

  .modal-content {
    max-height: 95vh;
    border-radius: 0.75rem;
  }

  .modal-header {
    padding: 1.25rem;
  }

  .modal-body {
    padding: 1.25rem;
  }

  #notificationContainer {
    left: 1rem;
    right: 1rem;
    top: 1rem;
  }

  .notification {
    min-width: auto;
    padding: 0.875rem 1rem;
    font-size: 0.875rem;
  }

  .user-info-card {
    padding: 0.375rem 0.75rem;
  }

  .user-name,
  .user-balance {
    font-size: 0.75rem;
  }

  .provider-list-container {
    padding: 1.25rem;
    margin-left: -1rem;
    margin-right: -1rem;
    border-radius: 0;
  }

  .level-header {
    padding: 1rem;
  }

  .level-title {
    font-size: 1rem;
  }

  .level-providers {
    padding: 0 1rem 1rem;
  }

  .keys-table {
    font-size: 0.75rem;
  }

  .keys-table thead th,
  .keys-table tbody td {
    padding: 0.5rem;
  }

  .secret-key-text {
    max-width: 120px;
  }

  .root-badge {
    height: 2rem;
    width: 2rem;
    font-size: 0.875rem;
    border-width: 1.5px;
  }

  .target-options {
    grid-template-columns: 1fr;
  }

  .config-section {
    padding: 1.25rem;
  }

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

@media (max-width: 640px) {
  .tab-navigation {
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .tab-navigation::-webkit-scrollbar {
    display: none;
  }

  .tab-button {
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.625rem 0.875rem;
  }

  .logs-title {
    font-size: 1.25rem;
  }

  .logs-table thead th:nth-child(5),
  .logs-table tbody td:nth-child(5) {
    display: none;
  }

  .provider-stats-cards {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .stat-card {
    padding: 1rem;
  }

  .stat-icon {
    width: 3rem;
    height: 3rem;
  }

  .stat-value {
    font-size: 1.25rem;
  }

  .level-stats {
    gap: 0.5rem;
  }

  .stat-badge {
    font-size: 0.6875rem;
    padding: 0.125rem 0.5rem;
  }

  .keys-table thead th:nth-child(3),
  .keys-table tbody td:nth-child(3) {
    display: none;
  }

  #editKeyModal .modal-content {
    max-width: 100%;
    margin: 1rem;
  }
}

@media (max-width: 480px) {
  .form-input {
    font-size: 16px;
  }

  .keys-table thead th:nth-child(4),
  .keys-table tbody td:nth-child(4) {
    display: none;
  }
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-50);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

/* 焦点样式 */
*:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* 打印样式 */
@media print {
  .navbar,
  .tab-navigation,
  .btn-primary,
  .btn-outline,
  .btn-outline-danger,
  #notificationContainer {
    display: none !important;
  }

  .content-card {
    box-shadow: none;
    border: 1px solid #000;
  }
}

/* 认证切换 */
.auth-switch {
  text-align: center;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--gray-200);
}

/* 成功消息 */
.success-message {
  text-align: center;
  padding: 2rem;
}

/* 表单切换动画 */
.auth-form-transition {
  animation: fadeIn 0.3s ease-out;
}

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

/* 注册相关的输入框提示 */
#signupForm .form-hint {
  color: var(--gray-600);
  font-size: 0.75rem;
  margin-top: 0.5rem;
}
/* Desktop sidebar layout */
@media (min-width: 1024px) {
  .main-container.has-sidebar {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 2.5rem;
    align-items: start;
    padding: 2rem 2rem 3rem;
  }
  .main-container.has-sidebar .tab-navigation {
    grid-column: 1;
    grid-row: span 2;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    padding: 1.5rem 1.25rem;
    position: sticky;
    top: 6.5rem;
    max-height: calc(100vh - 7.5rem);
    overflow-y: auto;
    background: white;
    border: 1px solid var(--gray-100);
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 0;
  }
  .main-container.has-sidebar .tab-button {
    width: 100%;
    justify-content: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 0.875rem;
    border: 1px solid transparent;
    border-radius: 0.75rem;
    color: var(--gray-600);
    font-size: 0.9375rem;
    font-weight: 600;
    transition:
      background 0.2s ease,
      border-color 0.2s ease,
      color 0.2s ease,
      transform 0.2s ease;
    text-align: left;
  }
  .main-container.has-sidebar .tab-button:hover {
    background: var(--gray-50);
    border-color: var(--gray-200);
    color: var(--gray-800);
    transform: translateX(4px);
  }
  .main-container.has-sidebar .tab-button.active {
    background: rgba(99, 102, 241, 0.12);
    border-color: rgba(99, 102, 241, 0.4);
    color: var(--primary-color);
    box-shadow: 0 10px 18px -12px rgba(79, 70, 229, 0.45);
  }
  .main-container.has-sidebar .tab-button .tab-icon {
    width: 1.2rem;
    height: 1.2rem;
    margin: 0;
    flex-shrink: 0;
  }
  .main-container.has-sidebar > :not(.tab-navigation) {
    grid-column: 2;
  }
}