/* ── 全局样式 ── */
:root {
  --primary: #2B579A;
  --primary-light: #4A7BC8;
  --primary-bg: #E8F0FE;
  --bg: #F5F7FA;
  --card-bg: #FFFFFF;
  --text: #333333;
  --text-secondary: #666666;
  --border: #E0E0E0;
  --success: #52C41A;
  --warning: #FAAD14;
  --danger: #FF4D4F;
  --info: #1890FF;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --radius: 8px;
}

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

body {
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

/* ── 导航栏 ── */
.navbar {
  background: var(--primary);
  color: #fff;
  height: 56px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.12);
  position: sticky;
  top: 0;
  z-index: 100;
}
.navbar-brand {
  font-size: 18px;
  font-weight: bold;
  margin-right: 48px;
}
.navbar-nav {
  display: flex;
  gap: 8px;
  flex: 1;
}
.navbar-nav a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 4px;
  font-size: 14px;
  transition: all 0.2s;
}
.navbar-nav a:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
}
.navbar-nav a.active {
  background: rgba(255,255,255,0.2);
  color: #fff;
}
.navbar-user {
  display: flex;
  align-items: center;
  gap: 12px;
}
.navbar-user .username {
  font-size: 14px;
  opacity: 0.9;
}
.btn-logout {
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  padding: 6px 16px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
}
.btn-logout:hover { background: rgba(255,255,255,0.25); }

/* ── 卡片 ── */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 16px;
}
.card-title {
  font-size: 16px;
  font-weight: bold;
  color: var(--text);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-title::before {
  content: "";
  width: 4px;
  height: 16px;
  background: var(--primary);
  border-radius: 2px;
}

/* ── KPI 卡片 ── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}
.kpi-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.kpi-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}
.kpi-icon.blue { background: var(--primary-bg); color: var(--primary); }
.kpi-icon.green { background: #E6F7E6; color: var(--success); }
.kpi-icon.orange { background: #FFF7E6; color: var(--warning); }
.kpi-icon.red { background: #FFE6E6; color: var(--danger); }
.kpi-value {
  font-size: 28px;
  font-weight: bold;
  line-height: 1.2;
}
.kpi-label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ── 表格 ── */
.table-wrapper {
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
}
th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
th {
  background: var(--primary-bg);
  color: var(--primary);
  font-weight: 600;
  font-size: 13px;
}
/* 表头锁定：表格内部滚动时列标题不随内容滚走（2026-09-25）
   sticky 相对 .table-wrapper（overflow-y:auto 的滚动容器）生效；
   border-collapse 下滚动时 th 边框会丢失，用 inset 阴影补上分隔线 */
.table-wrapper table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  box-shadow: inset 0 -1px 0 #C9D6EA;
}
/* 末列宽度约束：避免 auto 布局把全部剩余宽度塞给最后一列造成右侧大片空白（2026-09-25）
   PO号列在各页面 thead 上单独用 style="width:300px" 预留宽度；
   本规则仅兜底约束无显式宽度的末列（如原因/打卡项目等长文本列不受影响，min-content 保护） */
.table-wrapper table th:last-child {
  width: 300px;
}
tbody tr:hover {
  background: #F0F5FF;
}
.text-right { text-align: right; }
.text-center { text-align: center; }

/* ── 标签/徽章 ── */
.tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}
.tag-success { background: #E6F7E6; color: var(--success); }
.tag-warning { background: #FFF7E6; color: var(--warning); }
.tag-danger { background: #FFE6E6; color: var(--danger); }
.tag-info { background: var(--primary-bg); color: var(--primary); }
.tag-default { background: #F0F0F0; color: var(--text-secondary); }

/* ── 筛选栏 ── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
  align-items: center;
}
.filter-bar select,
.filter-bar input,
.filter-bar .btn {
  height: 36px;
}
select, input[type="text"], input[type="password"], input[type="date"] {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
select:focus, input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(43,87,154,0.1);
}

/* ── 按钮 ── */
.btn {
  padding: 8px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-light); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 4px 12px; font-size: 12px; }

/* ── 分页 ── */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
}
.pagination button {
  padding: 6px 12px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
}
.pagination button:hover { border-color: var(--primary); color: var(--primary); }
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }
.pagination .current {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ── 图表容器 ── */
.chart-container {
  width: 100%;
  height: 320px;
}

/* ── 布局 ── */
.page-content {
  padding: 24px;
  max-width: 1800px;
  margin: 0 auto;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

/* ── 登录页 ── */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}
.login-card {
  background: #fff;
  border-radius: 12px;
  padding: 40px;
  width: 400px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}
.login-title {
  font-size: 22px;
  font-weight: bold;
  color: var(--primary);
  text-align: center;
  margin-bottom: 8px;
}
.login-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 32px;
}
.login-form .form-group {
  margin-bottom: 20px;
}
.login-form label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--text);
}
.login-form input {
  width: 100%;
  height: 42px;
}
.login-form .btn {
  width: 100%;
  height: 42px;
  font-size: 15px;
}
.login-error {
  color: var(--danger);
  font-size: 13px;
  margin-bottom: 12px;
  display: none;
}

/* ── 加载动画 ── */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--text-secondary);
}
.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── 响应式 ── */
@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .navbar-nav { overflow-x: auto; }
}