/* 基础样式重置和CSS变量定义 */
:root {
  /* 主色调 - 中性专业 */
  --primary-50: #f8fafc;
  --primary-100: #f1f5f9;
  --primary-200: #e2e8f0;
  --primary-300: #cbd5e1;
  --primary-400: #94a3b8;
  --primary-500: #64748b;
  --primary-600: #475569;
  --primary-700: #334155;
  --primary-800: #1e293b;
  --primary-900: #0f172a;

  /* 强调色 - 蓝色系 */
  --accent-50: #eff6ff;
  --accent-100: #dbeafe;
  --accent-200: #bfdbfe;
  --accent-300: #93c5fd;
  --accent-400: #60a5fa;
  --accent-500: #3b82f6;
  --accent-600: #2563eb;
  --accent-700: #1d4ed8;
  --accent-800: #1e40af;
  --accent-900: #1e3a8a;

  /* 状态色 */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #06b6d4;

  /* 背景色 */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;

  /* 文字色 */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #64748b;
  --text-muted: #94a3b8;

  /* 边框色 */
  --border-light: #e2e8f0;
  --border-medium: #cbd5e1;
  --border-dark: #94a3b8;

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

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;

  /* 阴影 */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

/* 暗色主题支持 */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #e2e8f0;
  --text-tertiary: #cbd5e1;
  --border-light: #334155;
  --border-medium: #475569;
  --border-dark: #64748b;
}

/* 重置样式 */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 主容器布局 */
.app-container {
  display: grid;
  grid-template-columns: 260px 1fr;
  height: 100vh;
  overflow: hidden;
}

/* 响应式布局 */
@media (max-width: 1024px) {
  .app-container {
    grid-template-columns: 240px 1fr;
  }
}

@media (max-width: 768px) {
  .app-container {
    grid-template-columns: 1fr;
  }
}

/* 通用工具类 */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 焦点样式 */
:focus-visible {
  outline: 2px solid var(--accent-600);
  outline-offset: 2px;
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-dark);
}

/* 加载动画 */
@keyframes shimmer {
  0% {
    background-position: -200px 0;
  }
  100% {
    background-position: calc(200px + 100%) 0;
  }
}

.loading-shimmer {
  background: linear-gradient(
    90deg,
    var(--bg-tertiary) 0%,
    var(--bg-secondary) 50%,
    var(--bg-tertiary) 100%
  );
  background-size: 200px 100%;
  animation: shimmer 1.5s infinite linear;
}

/* 通用按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  gap: 8px;
}

.btn:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-dark);
}

.btn:focus-visible {
  outline: 2px solid var(--accent-600);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--accent-600);
  color: white;
  border-color: var(--accent-600);
}

.btn-primary:hover {
  background: var(--accent-700);
  border-color: var(--accent-700);
}

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

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

/* 表单元素样式 */
input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-results-button,
input[type="search"]::-webkit-search-results-decoration {
  display: none;
}

/* 表格样式 */
.table-container {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

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

.table th,
.table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.table th {
  background: var(--bg-secondary);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

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

/* 空状态样式 */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  text-align: center;
  color: var(--text-secondary);
}

.empty-state-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  color: var(--text-muted);
}

.empty-state-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.empty-state-description {
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 300px;
}

/* 分页样式 */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-light);
}

.pagination-info {
  font-size: 14px;
  color: var(--text-secondary);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pagination-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 12px;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  color: var(--text-secondary);
  font-size: 14px;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.pagination-button:hover {
  background: var(--bg-secondary);
  border-color: var(--border-dark);
  color: var(--text-primary);
}

.pagination-button.active {
  background: var(--accent-600);
  color: white;
  border-color: var(--accent-600);
}

.pagination-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 模态框样式 */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  animation: slideUp 0.2s ease;
}

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

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-light);
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  padding: 8px;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.modal-close svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 2;
}

.modal-body {
  padding: 24px;
}

/* 详情内容样式 */
.detail-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

.detail-label {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-secondary);
  text-transform: capitalize;
}

.detail-value {
  font-size: 16px;
  color: var(--text-primary);
  line-height: 1.5;
  word-break: break-word;
}

.detail-value:empty::before {
  content: '- -';
  color: var(--text-muted);
  font-style: italic;
}

/* 通知样式 */
.notification {
  position: fixed;
  top: 16px;
  right: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: white;
  font-size: 14px;
  z-index: 1001;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
}

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

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

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

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

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