/* ============================================================
   ainkapi 管理面板样式表
   - 使用 CSS 变量实现暗色/亮色主题切换
   - 响应式设计，移动端适配
   ============================================================ */

/* ==================== CSS 变量定义 ==================== */

/* 暗色主题（默认） */
:root,
[data-theme="dark"] {
  /* 背景色 */
  --bg-primary: #0f1117;
  --bg-secondary: #171a23;
  --bg-tertiary: #1f2330;
  --bg-elevated: #252a3a;
  --bg-hover: #2d3344;
  --bg-input: #1a1e29;

  /* 文本色 */
  --text-primary: #e8eaed;
  --text-secondary: #a8b0bf;
  --text-tertiary: #6b7388;
  --text-inverse: #ffffff;

  /* 边框色 */
  --border-color: #2a3041;
  --border-color-light: #232838;
  --border-color-focus: #4a6cf7;

  /* 主色调 */
  --color-primary: #4a6cf7;
  --color-primary-hover: #5b7cf8;
  --color-primary-light: rgba(74, 108, 247, 0.12);

  /* 状态色 */
  --color-success: #22c55e;
  --color-success-light: rgba(34, 197, 94, 0.15);
  --color-warning: #f59e0b;
  --color-warning-light: rgba(245, 158, 11, 0.15);
  --color-error: #ef4444;
  --color-error-light: rgba(239, 68, 68, 0.15);
  --color-info: #3b82f6;
  --color-info-light: rgba(59, 130, 246, 0.15);

  /* 间距 */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;

  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* 字体 */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial,
    sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", "Cascadia Code",
    Menlo, Monaco, Consolas, "Courier New", monospace;
  --font-size-xs: 12px;
  --font-size-sm: 13px;
  --font-size-base: 14px;
  --font-size-md: 15px;
  --font-size-lg: 17px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 30px;

  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 0 3px var(--color-primary-light);

  /* 过渡 */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;

  /* 布局 */
  --sidebar-width: 240px;
  --topbar-height: 60px;
  --max-width: 1200px;
}

/* 亮色主题 */
[data-theme="light"] {
  --bg-primary: #f5f7fa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f0f2f7;
  --bg-elevated: #ffffff;
  --bg-hover: #eef1f6;
  --bg-input: #f8fafc;

  --text-primary: #1a1d26;
  --text-secondary: #5a6378;
  --text-tertiary: #98a0b3;
  --text-inverse: #ffffff;

  --border-color: #e3e7ef;
  --border-color-light: #eef1f6;
  --border-color-focus: #4a6cf7;

  --color-primary: #4a6cf7;
  --color-primary-hover: #3a5ce5;
  --color-primary-light: rgba(74, 108, 247, 0.1);

  --color-success: #16a34a;
  --color-success-light: rgba(22, 163, 74, 0.1);
  --color-warning: #d97706;
  --color-warning-light: rgba(217, 119, 6, 0.1);
  --color-error: #dc2626;
  --color-error-light: rgba(220, 38, 38, 0.1);
  --color-info: #2563eb;
  --color-info-light: rgba(37, 99, 235, 0.1);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* ==================== 全局重置 ==================== */

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

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-base), color var(--transition-base);
  min-height: 100vh;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-hover);
}

code,
pre {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
}

ul {
  list-style: none;
}

hr {
  border: none;
  border-top: 1px solid var(--border-color);
}

/* ==================== 通用工具类 ==================== */

[hidden] {
  display: none !important;
}

.no-padding {
  padding: 0 !important;
}

/* 文本颜色工具类 */
.text-tertiary {
  color: var(--text-tertiary);
}

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

.loading-state,
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-lg);
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
  display: block;
}

/* ==================== 登录页面 ==================== */

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, #1a1f35 0%, #0f1117 50%, #1a1a2e 100%);
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle at 30% 40%,
    rgba(74, 108, 247, 0.15) 0%,
    transparent 40%
  );
  animation: float 15s ease-in-out infinite;
}

.login-page::after {
  content: "";
  position: absolute;
  bottom: -30%;
  right: -30%;
  width: 150%;
  height: 150%;
  background: radial-gradient(
    circle at 70% 60%,
    rgba(139, 92, 246, 0.12) 0%,
    transparent 40%
  );
  animation: float 20s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(30px, -30px) rotate(5deg); }
}

.login-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 400px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl) var(--spacing-xl);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
}

.login-logo {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.login-logo-icon {
  font-size: 48px;
  display: block;
  margin-bottom: var(--spacing-sm);
}

.login-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.login-subtitle {
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.login-error {
  background: var(--color-error-light);
  color: var(--color-error);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.login-footer {
  text-align: center;
  margin-top: var(--spacing-xl);
  color: var(--text-tertiary);
  font-size: var(--font-size-xs);
}

.login-footer code {
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

/* ==================== 主应用框架 ==================== */

.app {
  display: flex;
  min-height: 100vh;
}

/* ==================== 侧边导航栏 ==================== */

.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform var(--transition-slow);
}

.sidebar-header {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0 var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.sidebar-logo-icon {
  font-size: 24px;
}

.sidebar-logo-text {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.sidebar-nav {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-sm);
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: 2px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 500;
}

.nav-icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: var(--spacing-md);
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 18px;
  transition: all var(--transition-fast);
  width: 100%;
}

.theme-toggle:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

[data-theme="dark"] .theme-icon-light {
  display: none;
}

[data-theme="light"] .theme-icon-dark {
  display: none;
}

.btn-logout {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  width: 100%;
}

.btn-logout:hover {
  background: var(--color-error-light);
  color: var(--color-error);
}

.sidebar-overlay {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
  opacity: 0;
  transition: opacity var(--transition-base);
}

/* ==================== 主内容区 ==================== */

.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* ==================== 顶部栏 ==================== */

.topbar {
  height: var(--topbar-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-lg);
  gap: var(--spacing-md);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
}

.topbar-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.topbar-user {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: var(--spacing-sm);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* ==================== 页面内容 ==================== */

.page-content {
  flex: 1;
  padding: var(--spacing-lg);
  max-width: var(--max-width);
  width: 100%;
}

.page {
  animation: fadeIn var(--transition-base);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.page-toolbar-left {
  flex: 1;
  min-width: 200px;
}

.page-toolbar-right {
  display: flex;
  gap: var(--spacing-sm);
}

.page-hint {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.search-input {
  max-width: 320px;
}

/* ==================== Dashboard 统计卡片 ==================== */

.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.stat-card-label {
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
}

.stat-card-value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-card-icon {
  font-size: 24px;
  margin-bottom: var(--spacing-sm);
  display: block;
}

.stat-card-value.success { color: var(--color-success); }
.stat-card-value.error { color: var(--color-error); }
.stat-card-value.warning { color: var(--color-warning); }

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

/* 使用量条形图 */
.usage-item {
  margin-bottom: var(--spacing-md);
}

.usage-item:last-child {
  margin-bottom: 0;
}

.usage-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.usage-item-name {
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 60%;
}

.usage-item-count {
  color: var(--text-primary);
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
}

.usage-item-bar {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.usage-item-bar-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

/* 代理状态 */
.proxy-status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-md);
}

.proxy-status-item {
  background: var(--bg-tertiary);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
}

.proxy-status-label {
  color: var(--text-tertiary);
  font-size: var(--font-size-xs);
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.proxy-status-value {
  color: var(--text-primary);
  font-size: var(--font-size-md);
  font-weight: 600;
}

/* ==================== 卡片 ==================== */

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  gap: var(--spacing-md);
}

.card-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--text-primary);
}

.card-body {
  padding: var(--spacing-lg);
}

/* ==================== 表格 ==================== */

.table-wrapper {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.table th {
  text-align: left;
  padding: var(--spacing-sm) var(--spacing-lg);
  color: var(--text-tertiary);
  font-weight: 500;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
  background: var(--bg-tertiary);
}

.table td {
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color-light);
  vertical-align: middle;
}

.table tbody tr:last-child td {
  border-bottom: none;
}

.table tbody tr {
  transition: background var(--transition-fast);
}

.table tbody tr:hover {
  background: var(--bg-hover);
}

.table-clickable tbody tr {
  cursor: pointer;
}

.col-actions {
  width: 1%;
  white-space: nowrap;
  text-align: right;
}

.table-cell-strong {
  color: var(--text-primary);
  font-weight: 500;
}

.table-cell-mono {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
}

.table-cell-text {
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 表格内操作按钮组 */
.row-actions {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: flex-end;
  align-items: center;
}

/* ==================== 状态标签 ==================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
  line-height: 1.4;
  white-space: nowrap;
}

.badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.badge-success {
  background: var(--color-success-light);
  color: var(--color-success);
}

.badge-danger,
.badge-error {
  background: var(--color-error-light);
  color: var(--color-error);
}

.badge-warning,
.badge-expired {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

.badge-secondary,
.badge-inactive {
  background: var(--bg-tertiary);
  color: var(--text-tertiary);
}

.badge-info {
  background: var(--color-info-light);
  color: var(--color-info);
}

.badge-primary {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* 模型标签 */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  max-width: 280px;
}

.tag {
  display: inline-block;
  padding: 2px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* ==================== 按钮 ==================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
  line-height: 1.4;
}

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

.btn-sm {
  padding: 4px 10px;
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: 12px 24px;
  font-size: var(--font-size-md);
}

.btn-block {
  width: 100%;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-hover);
}

.btn-danger {
  background: var(--color-error);
  color: var(--text-inverse);
}

.btn-danger:hover:not(:disabled) {
  opacity: 0.9;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.btn-icon {
  padding: 6px 8px;
  font-size: 14px;
}

.btn-loading-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-loading-text::after {
  content: "";
  width: 12px;
  height: 12px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ==================== 表单 ==================== */

.form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-label {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.form-label .required {
  color: var(--color-error);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 9px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-tertiary);
}

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

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7388' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px;
  padding-right: 36px;
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
  font-family: var(--font-mono);
}

.form-help {
  color: var(--text-tertiary);
  font-size: var(--font-size-xs);
  margin-top: 2px;
}

.form-error {
  color: var(--color-error);
  font-size: var(--font-size-xs);
  margin-top: 2px;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  color: var(--text-primary);
  font-size: var(--font-size-base);
}

.form-checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--color-primary);
}

.form-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.form-divider {
  margin: var(--spacing-lg) 0;
  border: none;
  border-top: 1px solid var(--border-color);
}

/* 密码输入框包装器 */
.password-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-input-wrapper .form-input {
  padding-right: 40px;
}

.password-toggle {
  position: absolute;
  right: 8px;
  background: transparent;
  border: none;
  padding: 4px 6px;
  font-size: 16px;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: color var(--transition-fast);
}

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

/* ==================== 对话框 (Modal) ==================== */

.modal-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 200;
  padding: var(--spacing-lg);
  animation: fadeIn var(--transition-fast);
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  animation: modalIn var(--transition-base);
}

.modal.modal-sm {
  max-width: 420px;
}

.modal.modal-lg {
  max-width: 720px;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  font-size: 24px;
  color: var(--text-tertiary);
  padding: 0 4px;
  line-height: 1;
  transition: color var(--transition-fast);
}

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

.modal-body {
  padding: var(--spacing-lg);
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

/* 确认对话框 */
.confirm-message {
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  line-height: 1.6;
}

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

.confirm-warning {
  background: var(--color-warning-light);
  color: var(--color-warning);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* ==================== Toast 通知 ==================== */

.toast-container {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  pointer-events: none;
  max-width: 380px;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  pointer-events: auto;
  animation: toastIn var(--transition-base);
  min-width: 280px;
}

.toast.removing {
  animation: toastOut var(--transition-base) forwards;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
  to { opacity: 0; transform: translateX(100%); }
}

.toast-icon {
  font-size: 18px;
  flex-shrink: 0;
  line-height: 1.4;
}

.toast-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.toast-title {
  font-weight: 600;
}

.toast-message {
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
  word-break: break-word;
}

.toast-close {
  color: var(--text-tertiary);
  font-size: 18px;
  padding: 0;
  line-height: 1;
  flex-shrink: 0;
}

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

.toast-success {
  border-left: 3px solid var(--color-success);
}

.toast-success .toast-icon {
  color: var(--color-success);
}

.toast-error {
  border-left: 3px solid var(--color-error);
}

.toast-error .toast-icon {
  color: var(--color-error);
}

.toast-warning {
  border-left: 3px solid var(--color-warning);
}

.toast-warning .toast-icon {
  color: var(--color-warning);
}

.toast-info {
  border-left: 3px solid var(--color-info);
}

.toast-info .toast-icon {
  color: var(--color-info);
}

/* ==================== 代码块 ==================== */

.code-block {
  display: block;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  word-break: break-all;
  margin-top: var(--spacing-xs);
}

.code-block-pre {
  white-space: pre-wrap;
  word-break: normal;
  line-height: 1.6;
  padding: var(--spacing-md);
}

/* 设置页信息块 */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--spacing-md);
  align-items: start;
}

.info-block {
  margin-bottom: var(--spacing-md);
}

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

.info-block-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.info-text {
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
}

.info-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.info-list li {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.info-list code {
  background: var(--bg-input);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  color: var(--color-primary);
}

/* 可复制代码块 */
.copyable-code {
  position: relative;
}

.copy-btn {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  padding: 4px 8px;
  font-size: var(--font-size-xs);
  background: var(--bg-hover);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  opacity: 0;
}

.copyable-code:hover .copy-btn {
  opacity: 1;
}

.copy-btn:hover {
  background: var(--color-primary);
  color: var(--text-inverse);
  border-color: var(--color-primary);
}

.copy-btn.copied {
  background: var(--color-success);
  color: var(--text-inverse);
  border-color: var(--color-success);
  opacity: 1;
}

/* ==================== 分页 ==================== */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
}

.pagination-info {
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
  margin: 0 var(--spacing-md);
}

.pagination-btn {
  min-width: 32px;
  height: 32px;
  padding: 0 var(--spacing-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.pagination-btn.active {
  background: var(--color-primary);
  color: var(--text-inverse);
  border-color: var(--color-primary);
}

.pagination-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ==================== 日志详情展开 ==================== */

.log-detail-row td {
  padding: 0 !important;
  border-bottom: 1px solid var(--border-color) !important;
  background: var(--bg-tertiary);
}

.log-detail-content {
  padding: var(--spacing-md) var(--spacing-lg);
}

.log-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.log-detail-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.log-detail-label {
  color: var(--text-tertiary);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.log-detail-value {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  word-break: break-all;
}

.log-detail-preview {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  max-height: 200px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ==================== 全局加载指示器 ==================== */

.global-loading {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(2px);
}

.global-loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ==================== 开关组件 ==================== */

.switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

.switch-slider::before {
  content: "";
  position: absolute;
  height: 16px;
  width: 16px;
  left: 2px;
  bottom: 2px;
  background: var(--text-tertiary);
  border-radius: 50%;
  transition: var(--transition-base);
}

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

.switch input:checked + .switch-slider::before {
  transform: translateX(18px);
  background: #fff;
}

/* ==================== 响应式布局 ==================== */

@media (max-width: 1024px) {
  .page-content {
    padding: var(--spacing-md);
  }

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

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }

  .sidebar.open ~ .sidebar-overlay {
    display: block;
    opacity: 1;
  }

  .main-content {
    margin-left: 0;
  }

  .menu-toggle {
    display: flex;
  }

  .topbar-title {
    font-size: var(--font-size-md);
  }

  .stat-cards {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .page-toolbar-left {
    min-width: 0;
  }

  .search-input {
    max-width: 100%;
  }

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

  .modal {
    max-width: 100%;
    margin: var(--spacing-sm);
  }

  .toast-container {
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    left: var(--spacing-sm);
    max-width: none;
  }

  .table th,
  .table td {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .login-card {
    padding: var(--spacing-xl) var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .stat-cards {
    grid-template-columns: 1fr;
  }

  .topbar-user {
    display: none;
  }

  .modal-footer {
    flex-direction: column-reverse;
  }

  .modal-footer .btn {
    width: 100%;
  }
}

/* ==================== 滚动条美化 ==================== */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* 选中文本样式 */
::selection {
  background: var(--color-primary-light);
  color: var(--color-primary);
}