/* 智财通 - 全局样式 */

:root {
  --primary: #0d9488;
  --primary-dark: #0f766e;
  --primary-light: #14b8a6;
  --danger: #ef4444;
  --warning: #f59e0b;
  --success: #10b981;
  --info: #3b82f6;
  --dark: #1e293b;
  --gray: #64748b;
  --gray-light: #f1f5f9;
  --border: #e2e8f0;
  --shadow: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-lg: 0 4px 6px rgba(0,0,0,0.1);
  --radius: 8px;
  --sidebar-width: 220px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: #334155;
  background: #f8fafc;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

/* 布局 */
.layout {
  display: flex;
  min-height: 100vh;
}

/* 侧边栏 */
.sidebar {
  width: var(--sidebar-width);
  background: var(--dark);
  color: #fff;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-brand {
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: bold;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-menu {
  list-style: none;
  padding: 12px 0;
}

.sidebar-menu li a {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  color: rgba(255,255,255,0.7);
  transition: all 0.2s;
  gap: 10px;
}

.sidebar-menu li a:hover,
.sidebar-menu li a.active {
  color: #fff;
  background: rgba(255,255,255,0.1);
  border-left: 3px solid var(--primary);
}

.sidebar-menu li a.active {
  background: rgba(13,148,136,0.2);
}

.sidebar-menu .icon {
  width: 20px;
  text-align: center;
  font-size: 16px;
}

/* 菜单分组标签 */
.sidebar-menu .menu-group {
  padding: 10px 20px 4px;
}

.sidebar-menu .menu-label {
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
  letter-spacing: 1px;
  user-select: none;
}

/* 主内容区 */
.main {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
}

/* 顶部导航 */
.header {
  height: 60px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 99;
}

.header-left { display: flex; align-items: center; gap: 16px; }

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: var(--radius);
}

.user-info:hover { background: var(--gray-light); }

.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

/* 内容区 */
.content {
  padding: 24px;
  flex: 1;
}

.page-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--dark);
}

/* 卡片 */
.card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
}

.card-body {
  padding: 20px;
}

/* 统计卡片 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.stat-label {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 8px;
}

.stat-value {
  font-size: 24px;
  font-weight: 600;
}

.stat-value.primary { color: var(--primary); }
.stat-value.danger { color: var(--danger); }
.stat-value.warning { color: var(--warning); }
.stat-value.success { color: var(--success); }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  background: #fff;
  color: #334155;
}

.btn:hover { opacity: 0.9; }

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

.btn-success {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}

.btn-sm { padding: 5px 12px; font-size: 13px; }

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

/* 表格 */
.table-container { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

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

th {
  background: var(--gray-light);
  font-weight: 600;
  color: var(--dark);
  white-space: nowrap;
}

tr:hover { background: #f8fafc; }

td.amount {
  text-align: right;
  font-weight: 600;
  font-family: monospace;
}

td.amount.income { color: var(--primary); }
td.amount.expense { color: var(--danger); }

/* 标签 */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}

.badge-warning { background: #fef3c7; color: #92400e; }
.badge-success { background: #d1fae5; color: #065f46; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-default { background: var(--gray-light); color: var(--gray); }

/* 表单 */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  font-size: 13px;
}

.form-label .required { color: var(--danger); }

.form-control {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  transition: border-color 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(13,148,136,0.1);
}

select.form-control { height: 38px; }

textarea.form-control { resize: vertical; min-height: 80px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
}

.pagination-info { color: var(--gray); font-size: 13px; }

.pagination-btns { display: flex; gap: 6px; }

/* 空状态 */
.empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray);
}

.empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.3;
}

/* 图表容器 */
.chart-container {
  height: 320px;
  position: relative;
}

/* 操作栏 */
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.toolbar-left, .toolbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* 筛选 */
.filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.filter-bar .form-control {
  width: auto;
  min-width: 140px;
}

/* 响应式 */
@media (max-width: 1200px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .main { margin-left: 0; }
  .stats-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

/* 消息提示 */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }

/* 进度条 */
.progress {
  height: 8px;
  background: var(--gray-light);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--primary);
  border-radius: 4px;
  transition: width 0.3s;
}

.progress-bar.warning { background: var(--warning); }
.progress-bar.danger { background: var(--danger); }

/* Tab */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.tab {
  padding: 12px 20px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  color: var(--gray);
  transition: all 0.2s;
}

.tab:hover { color: var(--primary); }

.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 500;
}

/* ========================================
 * 深色模式 - 自动跟随系统设置
 * ======================================== */
@media (prefers-color-scheme: dark) {
  :root {
    --primary: #14b8a6;
    --primary-dark: #0d9488;
    --primary-light: #2dd4bf;
    --danger: #f87171;
    --warning: #fbbf24;
    --success: #34d399;
    --info: #60a5fa;
    --dark: #e2e8f0;
    --gray: #94a3b8;
    --gray-light: #1e293b;
    --border: #334155;
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-lg: 0 4px 6px rgba(0,0,0,0.3);
  }

  body {
    color: #e2e8f0;
    background: #0f172a;
  }

  /* 侧边栏 */
  .sidebar {
    background: #1e293b;
  }

  /* 顶部导航 */
  .header {
    background: #1e293b;
  }

  /* 卡片 */
  .card {
    background: #1e293b;
  }

  /* 统计卡片 */
  .stat-card {
    background: #1e293b;
  }

  /* 按钮 */
  .btn {
    background: #334155;
    color: #e2e8f0;
  }

  .btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
  }

  /* 表格 */
  th {
    background: #334155;
    color: #e2e8f0;
  }

  tr:hover {
    background: #334155;
  }

  /* 标签 */
  .badge-warning { background: #78350f; color: #fde68a; }
  .badge-success { background: #064e3b; color: #a7f3d0; }
  .badge-danger { background: #7f1d1d; color: #fecaca; }
  .badge-default { background: #334155; color: #94a3b8; }

  /* 表单控件 */
  .form-control {
    background: #0f172a;
    border-color: #334155;
    color: #e2e8f0;
  }

  .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(20,184,166,0.2);
  }

  /* 消息提示 */
  .alert-success { background: #064e3b; color: #a7f3d0; border-color: #065f46; }
  .alert-error { background: #7f1d1d; color: #fecaca; border-color: #991b1b; }
  .alert-warning { background: #78350f; color: #fde68a; border-color: #92400e; }

  /* 用户信息悬停 */
  .user-info:hover { background: #334155; }

  /* AI记账页面适配 */
  .ai-input-box textarea {
    background: rgba(15,23,42,0.95);
    color: #e2e8f0;
  }

  .ai-result {
    background: #1e293b;
    border-color: #334155;
  }

  .ai-detail-item {
    background: #0f172a;
  }

  .ai-detail-item .value {
    color: #e2e8f0;
  }

  .ai-suggestion-tags .tag {
    background: #334155;
    border-color: #475569;
    color: #e2e8f0;
  }

  .ai-suggestion-tags .tag:hover {
    background: #475569;
  }

  /* 分页 */
  .pagination-info { color: #94a3b8; }

  /* 进度条 */
  .progress { background: #334155; }

  /* 空状态 */
  .empty { color: #94a3b8; }

  /* 页面标题 */
  .page-title { color: #e2e8f0; }

  /* Tab */
  .tab:hover { color: var(--primary); }
}