/* =============================================================
   KPI 工作台 - 全局样式
   ============================================================= */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --primary: #2b6cb0;
  --primary-dark: #1e4f82;
  --success: #38a169;
  --warning: #dd6b20;
  --danger: #e53e3e;
  --sidebar-w: 230px;
  --bg: #f1f5f9;
  --card-border: #e2e8f0;
  --text: #1a202c;
  --text-muted: #718096;
}
body {
  font-family: "Microsoft YaHei", "PingFang SC", -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  min-height: 100vh;
}

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

/* 侧边栏 */
.sidebar {
  width: var(--sidebar-w);
  background: #1f2937;
  color: #d1d5db;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; bottom: 0; left: 0;
  z-index: 50;
  overflow-y: auto;
}
.sidebar .brand {
  padding: 18px 20px;
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  border-bottom: 1px solid #374151;
  background: var(--primary-dark);
}
.sidebar .brand small { display: block; font-size: 11px; font-weight: 400; color: #9ca3af; margin-top: 3px; }
.sidebar nav { flex: 1; padding: 12px 0; }
.sidebar .nav-group { padding: 8px 20px 4px; font-size: 11px; color: #6b7280; text-transform: uppercase; letter-spacing: .5px; }
.sidebar nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 20px;
  color: #d1d5db;
  text-decoration: none;
  font-size: 14px;
  border-left: 3px solid transparent;
}
.sidebar nav a:hover { background: #374151; color: #fff; }
.sidebar nav a.active { background: #374151; color: #fff; border-left-color: var(--primary); font-weight: 600; }
.sidebar nav a .ico { width: 20px; text-align: center; }
.sidebar .sidebar-foot {
  padding: 14px 20px;
  border-top: 1px solid #374151;
  font-size: 12px; color: #9ca3af;
}
.sidebar .sidebar-foot a { color: #f87171; text-decoration: none; }

/* 主区域 */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.topbar {
  height: 56px;
  background: #fff;
  border-bottom: 1px solid var(--card-border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px;
  position: sticky; top: 0; z-index: 40;
}
.topbar .page-title { font-size: 18px; font-weight: 700; }
.topbar .user-box { display: flex; align-items: center; gap: 12px; font-size: 13px; }
.topbar .user-box .role-tag { font-size: 11px; background: #ebf4ff; color: var(--primary); padding: 2px 8px; border-radius: 10px; }
.content { padding: 24px; flex: 1; }

/* ---------- 卡片 ---------- */
.card {
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  margin-bottom: 20px;
}
.card .card-head {
  padding: 14px 20px;
  border-bottom: 1px solid var(--card-border);
  font-weight: 600;
  display: flex; align-items: center; justify-content: space-between;
}
.card .card-body { padding: 20px; }

/* ---------- KPI 统计卡片 ---------- */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
.kpi-card {
  background: #fff; border: 1px solid var(--card-border); border-radius: 8px;
  padding: 18px 20px; display: flex; flex-direction: column; gap: 6px;
  border-left: 4px solid var(--primary);
}
.kpi-card.c-green { border-left-color: var(--success); }
.kpi-card.c-orange { border-left-color: var(--warning); }
.kpi-card.c-red { border-left-color: var(--danger); }
.kpi-card .k-label { font-size: 13px; color: var(--text-muted); }
.kpi-card .k-value { font-size: 30px; font-weight: 700; line-height: 1; }
.kpi-card .k-sub { font-size: 12px; color: var(--text-muted); }
.kpi-card .k-sub .up { color: var(--success); font-weight: 600; }
.kpi-card .k-sub .down { color: var(--danger); font-weight: 600; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; }
table.data th, table.data td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--card-border); font-size: 13px; }
table.data thead th { background: #f8fafc; font-weight: 600; color: #475569; white-space: nowrap; }
table.data tbody tr:hover { background: #f8fafc; }
table.data td .muted { color: var(--text-muted); }

/* ---------- 徽章 ---------- */
.badge { display: inline-block; padding: 2px 9px; border-radius: 10px; font-size: 12px; font-weight: 600; }
.badge-success { background: #f0fff4; color: var(--success); }
.badge-danger { background: #fff5f5; color: var(--danger); }
.badge-warning { background: #fffaeb; color: var(--warning); }
.badge-info { background: #ebf4ff; color: var(--primary); }
.badge-muted { background: #f1f5f9; color: var(--text-muted); }
.badge-mine { background: #faf5ff; color: #805ad5; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: 6px; border: 1px solid transparent;
  font-size: 13px; font-weight: 600; cursor: pointer; text-decoration: none;
  transition: .15s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #2f855a; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #c53030; }
.btn-outline { background: #fff; border-color: #cbd5e0; color: #4a5568; }
.btn-outline:hover { background: #f7fafc; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }
.btn-row .spacer { flex: 1; }

/* ---------- 表单 ---------- */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 20px; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 13px; font-weight: 600; color: #475569; }
.form-group .req { color: var(--danger); }
input[type=text], input[type=password], input[type=number], input[type=date], select, textarea {
  padding: 8px 11px; border: 1px solid #cbd5e0; border-radius: 6px; font-size: 14px;
  font-family: inherit; background: #fff; width: 100%; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(43,108,176,.12); }
textarea { resize: vertical; min-height: 64px; }
.form-actions { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--card-border); }
.hint { font-size: 12px; color: var(--text-muted); }

/* ---------- 图表布局 ---------- */
.chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.chart-grid .card { margin-bottom: 0; }
.chart-box { position: relative; height: 300px; }

/* ---------- 提示 ---------- */
.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 18px; font-size: 13px; }
.alert-success { background: #f0fff4; color: var(--success); border: 1px solid #c6f6d5; }
.alert-danger { background: #fff5f5; color: var(--danger); border: 1px solid #fed7d7; }
.alert-info { background: #ebf4ff; color: var(--primary); border: 1px solid #bee3f8; }

/* ---------- 登录页 ---------- */
.login-body {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #1e3a5f 0%, #2b6cb0 100%);
}
.login-card { width: 360px; background: #fff; border-radius: 10px; box-shadow: 0 20px 50px rgba(0,0,0,.25); padding: 34px 32px; }
.login-card h1 { font-size: 22px; text-align: center; margin-bottom: 4px; color: var(--primary-dark); }
.login-card .sub { text-align: center; color: var(--text-muted); font-size: 13px; margin-bottom: 24px; }
.login-card .form-group { margin-bottom: 16px; }
.login-card .btn { width: 100%; justify-content: center; padding: 10px; margin-top: 8px; }
.login-card .err { background: #fff5f5; color: var(--danger); border: 1px solid #fed7d7; padding: 10px; border-radius: 6px; font-size: 13px; margin-bottom: 14px; text-align: center; }

/* ---------- 工具 ---------- */
.mt-10 { margin-top: 10px; } .mt-20 { margin-top: 20px; }
.mb-10 { margin-bottom: 10px; } .mb-20 { margin-bottom: 20px; }
.text-right { text-align: right; } .text-center { text-align: center; }
.muted { color: var(--text-muted); }
.filter-bar { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.filter-bar .form-group { flex: 0 0 auto; min-width: 140px; }
.pagination { display: flex; gap: 6px; justify-content: flex-end; margin-top: 14px; }
.pagination a, .pagination span {
  padding: 5px 11px; border: 1px solid #cbd5e0; border-radius: 5px; text-decoration: none; font-size: 13px; color: #4a5568;
}
.pagination a:hover { background: #f7fafc; }
.pagination .current { background: var(--primary); color: #fff; border-color: var(--primary); }
.summary-line { font-size: 13px; color: var(--text-muted); margin-bottom: 12px; }

@media (max-width: 900px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .chart-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .sidebar { width: 60px; }
  .sidebar .brand span, .sidebar nav a span:not(.ico), .sidebar .nav-group, .sidebar-foot { display: none; }
  .main { margin-left: 60px; }
  .sidebar nav a { justify-content: center; padding: 12px; }
}