:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --line: #e2e8f0;
  --line-strong: #cbd5e1;
  --text: #10213d;
  --muted: #526278;
  --soft: #7a889c;
  --primary: #1677ff;
  --primary-hover: #0958d9;
  --primary-active: #003eb3;
  --primary-2: #0f62fe;
  --primary-soft: #e6f4ff;
  --cyan: #16a8c7;
  --green: #10b981;
  --amber: #f59e0b;
  --red: #ef5261;
  --purple: #7557e8;
  --nav: #07162d;
  --nav-deep: #040d1f;
  --nav-text: #9dacbf;
  --shadow: none;
  --shadow-lg: 0 18px 48px rgb(15 35 65 / 16%);
  font-family:
    Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui,
    sans-serif;
  font-variant-numeric: tabular-nums;
}

body {
  color: var(--text);
  font-size: 14px;
  line-height: 1.55;
  background: var(--bg);
}

button,
input,
select,
textarea {
  color: inherit;
  font-size: 14px;
}

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 2px solid rgb(22 119 255 / 34%);
  outline-offset: 2px;
}

.sidebar {
  background: linear-gradient(180deg, var(--nav), var(--nav-deep));
  box-shadow: 8px 0 28px rgb(5 15 34 / 8%);
}

.brand strong {
  font-size: 18px;
  font-weight: 650;
}

.brand span {
  color: #8292aa;
  font-size: 11px;
}

.nav-group__label {
  color: #667893;
  font-size: 11px;
}

.nav-item {
  height: 40px;
  color: var(--nav-text);
  font-size: 14px;
  border-radius: 6px;
}

.nav-item.active {
  background: #135fc5;
  border-color: rgb(132 184 255 / 20%);
  box-shadow: none;
}

.nav-item.active::before {
  background: #6dd7ff;
  box-shadow: none;
}

.sidebar-foot {
  color: #7184a0;
  font-size: 12px;
}

.topbar {
  padding-inline: 24px;
  background: #fff;
  box-shadow: 0 2px 10px rgb(16 33 61 / 3%);
  backdrop-filter: none;
}

.breadcrumb {
  gap: 10px;
  font-size: 14px;
}

.breadcrumb b {
  font-size: 16px;
  font-weight: 650;
}

.context-pill,
.top-icon,
.user-chip {
  height: 40px;
  border-color: var(--line);
}

.context-pill {
  min-width: 180px;
  font-size: 14px;
  border-radius: 8px;
}

.top-icon {
  width: 40px;
  border-radius: 8px;
}

.user-chip b {
  font-size: 14px;
}

.avatar {
  width: 32px;
  height: 32px;
  font-size: 13px;
  background: var(--primary);
}

.page-content {
  padding: 24px;
}

.page-toolbar {
  min-height: 40px;
  margin-bottom: 16px;
}

.page-actions {
  gap: 8px;
}

.btn {
  min-height: 40px;
  height: 40px;
  gap: 8px;
  padding: 0 16px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  background: #fff;
  border-color: var(--line-strong);
  border-radius: 6px;
  box-shadow: none;
  transition: 160ms ease;
}

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

.btn.primary {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: none;
}

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

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

.btn.ghost {
  color: var(--primary);
  background: var(--primary-soft);
  border-color: #bae0ff;
}

.btn.danger {
  color: #d9363e;
  background: #fff;
  border-color: #ffccc7;
}

.btn.small {
  min-height: 32px;
  height: 32px;
  padding: 0 12px;
  font-size: 13px;
  border-radius: 6px;
}

.ui-icon {
  width: 16px;
  height: 16px;
}

.kpi-grid {
  gap: 16px;
  margin-bottom: 16px;
}

.kpi-card {
  min-height: 116px;
  padding: 18px 20px;
  border-color: var(--line);
  border-radius: 8px;
  box-shadow: none;
}

.kpi-card::after {
  display: none;
}

.kpi-top {
  color: var(--muted);
  font-size: 14px;
}

.kpi-icon {
  width: 28px;
  height: 28px;
  color: var(--kpi-color, var(--primary));
  background: transparent;
  border-radius: 0;
}

.kpi-value {
  gap: 7px;
  margin-top: 10px;
}

.kpi-value strong {
  color: var(--text);
  font-family: inherit;
  font-size: 32px;
  font-weight: 650;
}

.kpi-value small {
  color: var(--muted);
  font-size: 13px;
}

.kpi-foot {
  margin-top: 6px;
  color: var(--soft);
  font-size: 12px;
}

.panel-grid {
  grid-template-columns: minmax(0, 2fr) minmax(320px, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}

.panel-grid.equal {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.panel-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.panel {
  border-color: var(--line);
  border-radius: 8px;
  box-shadow: none;
}

.panel-head {
  min-height: 52px;
  padding: 0 20px;
  border-bottom-color: var(--line);
}

.panel-head h3 {
  gap: 8px;
  color: var(--text);
  font-size: 16px;
  font-weight: 650;
}

.panel-head h3::before {
  width: 3px;
  height: 16px;
  background: var(--primary);
}

.panel-head > span,
.panel-head > a {
  color: var(--muted);
  font-size: 12px;
}

.panel-body {
  padding: 20px;
}

.filter-bar {
  gap: 12px;
  padding: 12px;
  margin-bottom: 16px;
  border-color: var(--line);
  border-radius: 8px;
  box-shadow: none;
}

.filter-input,
.filter-select {
  height: 40px;
  padding: 0 12px;
  color: var(--muted);
  font-size: 14px;
  background: #fff;
  border-color: var(--line-strong);
  border-radius: 6px;
}

.filter-input:focus,
.filter-select:focus {
  border-color: var(--primary);
}

.filter-input {
  width: 240px;
}

.filter-select {
  min-width: 144px;
}

.data-table th,
.data-table td {
  height: 50px;
  padding: 12px 16px;
  font-size: 14px;
  border-bottom-color: var(--line);
}

.data-table th {
  height: 44px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  background: var(--surface-2);
}

.data-table td {
  color: #34465f;
}

.data-table tr:hover td {
  background: #f7fbff;
}

.cell-main {
  gap: 10px;
}

.device-mark,
.source-mark,
.user-mark {
  width: 32px;
  height: 32px;
  font-size: 13px;
  border-radius: 6px;
}

.cell-copy b {
  font-size: 14px;
  font-weight: 600;
}

.cell-copy small {
  margin-top: 2px;
  font-size: 12px;
}

.badge {
  min-height: 24px;
  height: 24px;
  padding: 0 8px;
  font-size: 12px;
  border-radius: 12px;
}

.table-actions {
  gap: 12px;
}

.table-actions a,
.data-table td a {
  color: var(--primary);
  font-size: 13px;
}

.pagination {
  gap: 8px;
  padding: 14px 16px;
  color: var(--muted);
  font-size: 13px;
  border-top-color: var(--line);
}

.page-number {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

@media (max-width: 959px) {
  html,
  body,
  #app {
    min-width: 0;
  }

  .admin-shell .sidebar {
    width: 64px;
  }

  .admin-shell .sidebar :is(.brand > div, .nav-group__label, .nav-item > span:not(.nav-icon), .sidebar-foot) {
    display: none;
  }

  .admin-shell .brand,
  .admin-shell .nav-item {
    justify-content: center;
    padding-inline: 0;
  }

  .admin-shell .main-shell {
    margin-left: 64px;
  }

  .admin-shell .topbar {
    padding-inline: 16px;
  }

  .admin-shell .context-pill {
    width: 150px;
    min-width: 150px;
  }

  .admin-shell .user-chip {
    padding-right: 5px;
  }

  .admin-shell .user-chip b {
    display: none;
  }

  .admin-shell .page-content {
    padding: 16px;
  }
}

@media (max-width: 760px) {
  .admin-shell .top-actions .context-pill {
    display: none;
  }
}

@media (max-width: 420px) {
  .admin-shell .sidebar {
    width: 56px;
  }

  .admin-shell .main-shell {
    margin-left: 56px;
  }

  .admin-shell .topbar {
    padding-inline: 10px;
  }

  .admin-shell .page-content {
    padding: 12px;
  }
}