:root {
  --sidebar-bg: #1f2d3d;
  --sidebar-active: #409eff;
  --sidebar-text: #bfcbd9;
  --sidebar-width: 220px;
  --topbar-height: 50px;
  --page-bg: #f0f2f5;
  --card-radius: 4px;
  --primary: #409eff;
  --success: #67c23a;
  --warning: #e6a23c;
  --danger: #f56c6c;
  --info: #909399;
}

body { font-feature-settings: "kern" 1; }
pre { white-space: pre-wrap; word-break: break-all; }

/* ===== Admin shell ===== */
.admin-body { margin: 0; background: var(--page-bg); }
.admin-shell { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  flex-shrink: 0;
  transition: width .2s;
  overflow: hidden;
}
.sidebar-brand {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  padding: 0 16px;
  background: #1a2634;
  font-weight: 600;
  color: #fff;
  gap: 8px;
  white-space: nowrap;
}
.brand-icon { color: var(--sidebar-active); font-size: 1.25rem; }
.nav-group-label {
  padding: 14px 20px 6px;
  font-size: 12px;
  color: #6b7d90;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.sidebar-nav .nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 20px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 14px;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.sidebar-nav .nav-item:hover { background: rgba(255,255,255,.06); color: #fff; }
.sidebar-nav .nav-item.active {
  background: var(--sidebar-active);
  color: #fff;
}
.sidebar-nav .nav-btn { color: var(--sidebar-text); }

.admin-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.admin-topbar {
  height: var(--topbar-height);
  background: #fff;
  border-bottom: 1px solid #e4e7ed;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,.04);
}
.sidebar-toggle { color: #606266; font-size: 1.25rem; text-decoration: none; }
.topbar-user { font-size: 14px; color: #606266; }
.admin-content { flex: 1; padding: 16px; overflow: auto; }

.admin-shell.sidebar-collapsed .admin-sidebar { width: 0; }

/* ===== Page cards ===== */
.page-card {
  background: #fff;
  border-radius: var(--card-radius);
  border: 1px solid #ebeef5;
  margin-bottom: 16px;
}
.page-card .card-head {
  padding: 14px 16px;
  border-bottom: 1px solid #ebeef5;
  font-weight: 600;
  font-size: 15px;
}
.page-card .card-body { padding: 16px; }

/* ===== Filter bar ===== */
.filter-bar {
  background: #fff;
  border: 1px solid #ebeef5;
  border-radius: var(--card-radius);
  padding: 16px 16px 4px;
  margin-bottom: 12px;
}
.filter-bar .form-label { font-size: 13px; color: #606266; margin-bottom: 4px; }
.filter-bar .form-control, .filter-bar .form-select {
  font-size: 13px;
  border-color: #dcdfe6;
  border-radius: 4px;
}

/* ===== Toolbar ===== */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
}
.toolbar .btn { font-size: 13px; border-radius: 4px; }
.btn-el-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-el-primary:hover { background: #66b1ff; border-color: #66b1ff; color: #fff; }
.btn-el-success { background: var(--success); border-color: var(--success); color: #fff; }
.btn-el-success:hover { background: #85ce61; border-color: #85ce61; color: #fff; }
.btn-el-warning { background: var(--warning); border-color: var(--warning); color: #fff; }
.btn-el-warning:hover { background: #ebb563; border-color: #ebb563; color: #fff; }
.btn-el-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-el-danger:hover { background: #f78989; border-color: #f78989; color: #fff; }
.btn-el-info { background: #ecf5ff; border-color: #b3d8ff; color: var(--primary); }
.btn-el-info:hover { background: #d9ecff; color: var(--primary); }

/* ===== Tabs ===== */
.el-tabs {
  display: flex;
  border-bottom: 2px solid #e4e7ed;
  margin-bottom: 0;
  background: #fff;
  padding: 0 16px;
}
.el-tab {
  padding: 12px 20px;
  font-size: 14px;
  color: #606266;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  text-decoration: none;
}
.el-tab:hover { color: var(--primary); }
.el-tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 500; }

/* ===== Table ===== */
.data-table-wrap {
  background: #fff;
  border: 1px solid #ebeef5;
  border-top: none;
  border-radius: 0 0 var(--card-radius) var(--card-radius);
  overflow-x: auto;
}
.data-table {
  width: 100%;
  font-size: 13px;
  margin: 0;
}
.data-table thead th {
  background: #fafafa;
  color: #909399;
  font-weight: 500;
  padding: 10px 12px;
  border-bottom: 1px solid #ebeef5;
  white-space: nowrap;
}
.data-table tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid #ebeef5;
  color: #606266;
  vertical-align: middle;
}
.data-table tbody tr:hover { background: #f5f7fa; }
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 4px;
}
.status-dot.on { background: var(--success); }
.status-dot.off { background: var(--info); }

.empty-state {
  text-align: center;
  padding: 48px 16px;
  color: #909399;
}
.empty-state i { font-size: 2.5rem; color: #c0c4cc; display: block; margin-bottom: 12px; }

/* ===== Login page ===== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1f2d3d 0%, #2c3e50 50%, #1a2634 100%);
}
.login-card {
  width: 100%;
  max-width: 400px;
  background: #fff;
  border-radius: 8px;
  padding: 36px 32px;
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
}
.login-card h1 { font-size: 22px; font-weight: 600; text-align: center; margin-bottom: 28px; color: #303133; }
.login-card .form-control {
  height: 42px;
  border-radius: 4px;
  border-color: #dcdfe6;
}
.login-card .btn-login {
  height: 42px;
  background: var(--primary);
  border: none;
  border-radius: 4px;
  font-size: 15px;
  letter-spacing: 2px;
}
.login-card .btn-login:hover { background: #66b1ff; }

/* ===== Dashboard stats ===== */
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.stat-card {
  background: #fff;
  border: 1px solid #ebeef5;
  border-radius: var(--card-radius);
  padding: 20px;
}
.stat-card .stat-num { font-size: 28px; font-weight: 600; color: #303133; }
.stat-card .stat-label { font-size: 13px; color: #909399; margin-top: 4px; }
.stat-card.primary .stat-num { color: var(--primary); }
.stat-card.success .stat-num { color: var(--success); }
.stat-card.warning .stat-num { color: var(--warning); }

/* ===== Workbench / Dashboard ===== */
.welcome-avatar {
  width: 56px; height: 56px; border-radius: 12px;
  background: linear-gradient(135deg, #409eff, #2c7be5);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; flex-shrink: 0;
}
.workbench-stats { }
.wb-stat {
  display: flex; align-items: center; gap: 10px;
  background: #f7f9fc; border: 1px solid #eef1f6; border-radius: 8px;
  padding: 10px 16px; min-width: 120px;
}
.wb-stat i { font-size: 1.4rem; }
.wb-num { font-size: 20px; font-weight: 700; color: #303133; line-height: 1; }
.wb-lbl { font-size: 12px; color: #909399; margin-top: 4px; }

.section-title { font-weight: 600; font-size: 15px; margin: 4px 0 12px; color: #303133; }
.section-title i { color: var(--primary); margin-right: 4px; }

.gauge-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.gauge-card { border-radius: 10px; padding: 20px; color: #fff; }
.gauge-card.g-blue { background: linear-gradient(135deg, #1e3c72, #2a5298); }
.gauge-card.g-green { background: linear-gradient(135deg, #0f3443, #34a085); }
.gauge-card.g-purple { background: linear-gradient(135deg, #41295a, #6a3093); }
.gauge-card.g-orange { background: linear-gradient(135deg, #ad5389, #d97e3a); }
.gauge-head { font-size: 14px; opacity: .9; margin-bottom: 14px; }
.gauge-body { display: flex; align-items: center; justify-content: space-between; }
.gauge-ring {
  width: 78px; height: 78px; border-radius: 50%;
  background: conic-gradient(#fff calc(var(--p) * 1%), rgba(255,255,255,.22) 0);
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.gauge-ring::before {
  content: ""; position: absolute; inset: 8px; border-radius: 50%;
  background: rgba(0,0,0,.15);
}
.gauge-ring span { position: relative; font-size: 13px; font-weight: 600; }
.gauge-meta { text-align: right; }
.gauge-pct { font-size: 30px; font-weight: 700; line-height: 1; }
.gauge-sub { font-size: 12px; opacity: .8; margin-top: 6px; }

/* ===== Province grid ===== */
.province-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 12px; }
.province-card {
  border: 1px solid #ebeef5; border-radius: 8px; padding: 12px;
  background: #fff; transition: box-shadow .15s, transform .15s;
}
.province-card:hover { box-shadow: 0 4px 14px rgba(0,0,0,.08); transform: translateY(-2px); }
.prov-head { display: flex; justify-content: space-between; align-items: center; }
.prov-name { font-size: 13px; font-weight: 600; color: #303133; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.prov-badge { font-size: 10px; padding: 1px 6px; border-radius: 8px; }
.prov-badge.on { background: #e7f7ec; color: #67c23a; }
.prov-badge.off { background: #fef0f0; color: #f56c6c; }
.prov-num { font-size: 24px; font-weight: 700; color: var(--primary); margin: 6px 0 2px; }
.prov-sub { font-size: 11px; color: #909399; }
.prov-bar { height: 4px; background: #f0f2f5; border-radius: 2px; margin: 8px 0 4px; overflow: hidden; }
.prov-bar span { display: block; height: 100%; background: var(--primary); border-radius: 2px; }
.prov-pct { font-size: 11px; color: #909399; text-align: right; }

/* ===== Card type grid ===== */
.cardtype-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.cardtype-card { margin-bottom: 0; }
.ct-name { font-size: 16px; font-weight: 600; color: #303133; }

/* ===== Settings ===== */
.setting-toggle {
  border: 1px solid #ebeef5; border-radius: 8px; padding: 12px 14px;
  background: #fafbfc; height: 100%;
}
.setting-toggle .form-check-input { cursor: pointer; }

/* ===== Guide ===== */
.guide-banner { background: linear-gradient(120deg, #1f2d3d, #2c3e50); color: #fff; border: none; }
.guide-h { font-weight: 600; color: #303133; margin-top: 22px; padding-left: 10px; border-left: 3px solid var(--primary); }
.guide-h:first-child { margin-top: 0; }

/* ===== Public share ===== */
.scan-card-header { background: var(--primary) !important; }

@media (max-width: 768px) {
  .admin-sidebar { position: fixed; z-index: 1000; height: 100vh; }
  .admin-shell.sidebar-collapsed .admin-sidebar { width: 0; }
  .admin-shell:not(.sidebar-collapsed) .admin-sidebar { width: var(--sidebar-width); }
}