/* =====================================
   智国学堂 — Fluent Design 风格
   参考微软 Fluent 2 设计语言
   强调：质感、层次、克制、可读
   ===================================== */

/* ========== 设计令牌 ========== */
:root {
  /* ---- 主色（克制使用，仅交互元素） ---- */
  --color-primary: #6366f1;        /* 靛蓝，按钮/链接/选中态 */
  --color-primary-hover: #5558e6;  /* 悬浮加深，不偏移色相 */
  --color-primary-light: #eef0ff;  /* 极浅底调，用于hover背景 */

  /* ---- 功能色 ---- */
  --color-success: #0f8a5e;        /* 翠绿，较克制 */
  --color-warning: #d97706;        /* 琥珀，较沉稳 */
  --color-danger: #dc2626;         /* 正红 */
  --color-info: #2563eb;

  /* ---- 中性色阶（微软 Fluent 风格：纯中性，无蓝底） ---- */
  --color-bg: #f5f5f5;             /* 页面底色，暖灰 */
  --color-surface: #ffffff;        /* 卡片/面板 */
  --color-surface-raised: #fafafa; /* 悬浮/浅色面板 */
  --color-text: #1a1a1a;           /* 主文字  */
  --color-text-secondary: #616161; /* 次要文字，够深才可读 */
  --color-text-muted: #9e9e9e;     /* 禁用/占位文字 */
  --color-border: #e0e0e0;         /* 边框线 */
  --color-border-light: #ebebeb;   /* 浅分割线 */

  /* ---- 状态色（语义清晰，不比主色抢眼） ---- */
  --color-success-light: #e8f5e9;
  --color-success-text: #2e7d32;
  --color-warning-light: #fff8e1;
  --color-warning-text: #8d6e00;
  --color-danger-light: #ffebee;
  --color-danger-text: #b71c1c;
  --color-info-light: #e3f2fd;
  --color-info-text: #1565c0;

  /* ---- 类型标签色（仅用于区分类型，非装饰） ---- */
  --color-type-single-bg: #e3f2fd;
  --color-type-single-text: #1565c0;
  --color-type-batch-bg: #f3e8ff;
  --color-type-batch-text: #7c3aed;
  --color-type-recurring-bg: #fff3e0;
  --color-type-recurring-text: #e65100;

  /* Fluent 圆角层级（克制、统一） */
  --radius-xs: 2px;
  --radius-sm: 4px;    /* 控件级 */
  --radius: 6px;        /* 卡片级 */
  --radius-lg: 8px;     /* 大面板 */
  --radius-xl: 12px;    /* 弹窗 */

  /* Fluent 阴影层级（注重深度层次，非装饰） */
  --shadow: 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 2px 4px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-lg: 0 4px 8px rgba(0,0,0,.06), 0 2px 4px rgba(0,0,0,.04);
  --shadow-xl: 0 8px 16px rgba(0,0,0,.08);

  /* 动效（克制、自然） */
  --transition: 0.15s ease;
  --transition-slow: 0.25s ease;

  --font-sans: 'Segoe UI Variable', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* ========== 全局 ========== */
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); color: var(--color-text); background: var(--color-bg); -webkit-font-smoothing: antialiased; }

/* ========== 导航栏 ========== */
.uk-navbar-container:not(.uk-navbar-transparent) {
  background: var(--color-surface) !important;
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow) !important;
}
.uk-navbar-nav > li > a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text) !important;
  min-height: 64px;
  transition: color var(--transition);
}
.uk-navbar-nav > li > a:hover { color: var(--color-primary) !important; }
.uk-navbar-nav > li.uk-active > a { color: var(--color-primary) !important; }
.uk-logo img { border-radius: var(--radius-sm) !important; }

.avatar img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-border);
  transition: border-color var(--transition);
}
.avatar img:hover { border-color: var(--color-primary); }

/* Navbar dropdown */
.uk-navbar-dropdown {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 8px;
}
.uk-navbar-dropdown-nav > li > a {
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-size: 13px;
  color: var(--color-text-secondary);
  transition: background var(--transition);
}
.uk-navbar-dropdown-nav > li > a:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* User dropdown */
.user-menu-dropdown {
  min-width: 180px !important;
  border-radius: var(--radius) !important;
  border: 1px solid var(--color-border) !important;
  box-shadow: var(--shadow-lg) !important;
  padding: 8px !important;
}
.user-menu-dropdown .uk-navbar-dropdown-nav > li > a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--color-text-secondary);
  transition: background var(--transition);
}
.user-menu-dropdown .uk-navbar-dropdown-nav > li > a:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
  text-decoration: none;
}
.user-menu-dropdown .uk-navbar-dropdown-nav > li > a .uk-icon {
  width: 18px;
  height: 18px;
  color: var(--color-text-muted);
}
.user-menu-dropdown .user-menu-header {
  padding: 10px 14px 6px;
  text-align: center;
}
.user-menu-dropdown .user-menu-header .user-menu-name {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}
.user-menu-dropdown .user-menu-header .user-menu-type {
  display: block;
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: 2px;
}
.user-menu-dropdown .user-menu-logout { color: var(--color-danger) !important; }
.user-menu-dropdown .user-menu-logout:hover {
  background: var(--color-danger-light) !important;
  color: var(--color-danger) !important;
}
.user-menu-dropdown .user-menu-logout:hover .uk-icon { color: var(--color-danger) !important; }
.uk-nav-divider { border-color: var(--color-border-light) !important; margin: 4px 0 !important; }

/* ========== 卡片 ========== */
.uk-card {
  border: none;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition);
}
.uk-card:hover { box-shadow: var(--shadow-md); }
.uk-card-default { background: var(--color-surface); }
.uk-card-primary {
  background: #2d2d2d !important;
  color: #f0f0f0;
  box-shadow: 0 1px 3px rgba(0,0,0,.15);
}
.uk-card-primary .uk-card-title { color: #fff; }
.uk-card-primary .uk-card-badge {
  background: rgba(255,255,255,.1);
  color: #ccc;
  font-weight: 600;
  border: none;
}
.uk-card-secondary { background: #1a1a1a !important; color: #fff; }
.uk-card-body { padding: 24px; }
.uk-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
}

/* ========== 标题区 ========== */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}
.section-header h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-header .uk-icon { color: var(--color-text-muted); }
.section-divider {
  height: 1px;
  border: none;
  background: var(--color-border);
  margin: 16px 0;
}

/* ========== 表格 ========== */
.uk-table { font-size: 14px; border-collapse: separate; border-spacing: 0; }
.uk-table th {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  background: transparent;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
}
.uk-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: middle;
}
.uk-table tbody tr {
  transition: background var(--transition);
}
.uk-table tbody tr:hover { background: var(--color-surface-raised); }
.uk-table-divider tbody tr:not(:last-child) td { border-bottom: 1px solid var(--color-border-light); }

/* ========== 按钮 ========== */
.uk-button {
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 13px;
  padding: 8px 20px;
  transition: all var(--transition);
  line-height: 1.4;
  border: 1px solid transparent;
}
.uk-button-primary {
  background: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
  color: #fff !important;
}
.uk-button-primary:hover {
  background: var(--color-primary-hover) !important;
  border-color: var(--color-primary-hover) !important;
  box-shadow: var(--shadow-md);
}
.uk-button-secondary {
  background: var(--color-text) !important;
  border-color: var(--color-text) !important;
  color: #fff !important;
}
.uk-button-danger {
  background: var(--color-danger) !important;
  border-color: var(--color-danger) !important;
  color: #fff !important;
}
.uk-button-default {
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: var(--color-surface);
}
.uk-button-default:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}
.uk-button-small { padding: 5px 14px; font-size: 12px; }
.uk-button-text {
  color: var(--color-primary) !important;
  font-weight: 500;
  padding: 0;
}
.uk-button-text:hover { color: var(--color-primary-hover) !important; }
.uk-border-pill { border-radius: 999px !important; }

/* ========== 表单 ========== */
.uk-input, .uk-select, .uk-textarea {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 14px;
  transition: border-color var(--transition);
  background: var(--color-surface);
}
.uk-input:hover, .uk-select:hover, .uk-textarea:hover { border-color: var(--color-text-muted); }
.uk-input:focus, .uk-select:focus, .uk-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: none;
}
.uk-form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}
.uk-form-stacked .uk-form-label { display: block; }

/* ========== 标签/徽章 ========== */
.uk-label {
  border-radius: var(--radius-sm);
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  text-transform: none;
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.uk-label-success { background: var(--color-success-light); color: var(--color-success-text); }
.uk-label-warning { background: var(--color-warning-light); color: var(--color-warning-text); }
.uk-label-danger { background: var(--color-danger-light); color: var(--color-danger-text); }

/* ========== 统计卡片 ========== */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--color-surface);
  padding: 20px 16px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow-md); }
.stat-card .stat-number {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}
.stat-card .stat-label {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

/* ========== 筛选栏 ========== */
.filter-bar {
  background: var(--color-surface);
  padding: 16px 20px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.filter-bar > * { margin: 0 !important; }
.filter-bar .uk-input, .filter-bar .uk-select { min-width: 150px; }

/* ========== Tab 导航 ========== */
.tab-nav {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 16px;
}
.tab-nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--transition), border-color var(--transition);
  cursor: pointer;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}
.tab-nav a:hover { color: var(--color-text); }
.tab-nav a.uk-active,
.tab-nav a.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.tab-nav a .badge {
  background: var(--color-border);
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-secondary);
}
.tab-nav a.uk-active .badge,
.tab-nav a.active .badge {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* ========== 进度条 ========== */
.uk-progress { height: 4px; border-radius: 999px; background: var(--color-border); border: none; }
.uk-progress::-webkit-progress-value { background: var(--color-primary); border-radius: 999px; }
.uk-progress::-moz-progress-bar { background: var(--color-primary); border-radius: 999px; }

/* ========== 提示条 ========== */
.uk-alert { border-radius: var(--radius-sm); border: 1px solid transparent; padding: 12px 16px; }
.uk-alert-primary { background: var(--color-primary-light); border-color: var(--color-primary); color: var(--color-primary); }

/* ========== 分页 ========== */
.uk-pagination > * > * {
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 13px;
  transition: background var(--transition);
  border: none;
  min-width: 32px;
  text-align: center;
}
.uk-pagination > .uk-active > * {
  background: var(--color-primary);
  color: #fff;
}
.uk-pagination > *:hover > *:not(.uk-active) {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* ========== 容器 ========== */
.uk-container { max-width: 1200px; }
.uk-container-expand { max-width: none; }
.section-padding { padding: 24px 0; }

/* ========== 空状态 ========== */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--color-text-secondary);
}
.empty-state .uk-icon { color: var(--color-text-muted); margin-bottom: 8px; }
.empty-state p { margin: 0; font-size: 14px; }

/* ========== 兼容层 ========== */
.stat-card .number { font-size: 28px; font-weight: 700; line-height: 1.2; color: var(--color-primary); }
.stat-card .label { font-size: 12px; color: var(--color-text-secondary); margin-top: 4px; }
.stat-card.money .number { color: var(--color-success); }
.stat-card.workload .number { color: var(--color-primary); }
.stat-card.records .number { color: var(--color-danger); }
.header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.table-container { background: var(--color-surface); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.status-badge { display: inline-block; padding: 4px 12px; border-radius: var(--radius-sm); font-size: 11px; font-weight: 600; }

/* ========== 响应式 ========== */
@media (max-width: 640px) {
  .uk-card-body { padding: 16px; }
  .uk-table th, .uk-table td { padding: 8px 10px; font-size: 12px; }
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .filter-bar .uk-input, .filter-bar .uk-select { width: 100%; }
  .tab-nav { overflow-x: auto; }
  .tab-nav a { white-space: nowrap; }
  .uk-container { padding-left: 12px; padding-right: 12px; }
}