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

:root {
  --sidebar-width: 220px;
  --header-height: 56px;

  /* Primary */
  --color-primary: #3266ad;
  --color-primary-light: rgba(50,102,173,0.25);

  /* Semantic */
  --color-success: #2a9d6e;
  --color-success-light: rgba(42,157,110,0.18);
  --color-warning: #e0a020;
  --color-warning-light: rgba(224,160,32,0.18);
  --color-danger: #c94040;
  --color-danger-light: rgba(201,64,64,0.18);

  /* Sidebar — darkest layer */
  --sidebar-bg: #1f2230;
  --sidebar-border: rgba(255,255,255,0.06);
  --sidebar-text: rgba(255,255,255,0.45);
  --sidebar-text-hover: rgba(255,255,255,0.85);
  --sidebar-active-bg: rgba(50,102,173,0.22);
  --sidebar-active-text: #7aabff;
  --sidebar-active-border: #3266ad;
  --sidebar-section: rgba(255,255,255,0.2);

  /* Page background — second darkest */
  --color-bg-tertiary: #111318;

  /* Cards / topbar — clearly lighter than page bg */
  --color-bg-primary: #16181f;

  /* Metric cards / table headers — slightly lighter than cards */
  --color-bg-secondary: #1f2230;

  /* Hover state */
  --color-bg-hover: rgba(255,255,255,0.03);

  /* Borders — visible but subtle */
  --color-border: rgba(255,255,255,0.09);

  /* Text */
  --color-text-primary: rgba(255,255,255,0.92);
  --color-text-secondary: rgba(255,255,255,0.52);
  --color-text-tertiary: rgba(255,255,255,0.28);

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  color: var(--color-text-primary);
  background: var(--color-bg-tertiary);
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

/* ── Layout ── */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  overflow-y: auto;
}

.main {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  height: var(--header-height);
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.page { padding: 24px; display: flex; flex-direction: column; gap: 20px; }

/* ── Sidebar ── */
.sidebar-logo {
  padding: 16px;
  border-bottom: 1px solid var(--sidebar-border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-logo .logo-icon {
  width: 32px; height: 32px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 16px;
  flex-shrink: 0;
}

.sidebar-logo .logo-text {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
}

.sidebar-logo .logo-sub {
  font-size: 11px;
  color: var(--sidebar-text);
}

.nav-section {
  padding: 16px 16px 6px;
  font-size: 10px;
  font-weight: 500;
  color: var(--sidebar-section);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 13px;
  color: var(--sidebar-text);
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: background 0.15s, color 0.15s;
}

.nav-item:hover {
  background: rgba(255,255,255,0.05);
  color: var(--sidebar-text-hover);
}

.nav-item.active {
  color: var(--sidebar-active-text);
  background: var(--sidebar-active-bg);
  border-left-color: var(--sidebar-active-border);
  font-weight: 500;
}

.nav-item i { font-size: 15px; flex-shrink: 0; }

.nav-group-label {
  padding: 6px 16px;
  font-size: 11px;
  color: var(--sidebar-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-footer {
  margin-top: auto;
  padding: 12px 16px;
  border-top: 1px solid var(--sidebar-border);
  font-size: 11px;
  color: var(--sidebar-text);
}

/* ── Topbar ── */
.topbar-title { font-size: 15px; font-weight: 500; }
.topbar-right { display: flex; align-items: center; gap: 10px; }

/* ── Controls ── */
select, input {
  font-size: 13px;
  padding: 6px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  outline: none;
}

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

select option { background: var(--color-bg-secondary); color: var(--color-text-primary); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 13px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: background 0.15s;
}

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

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

.btn-primary:hover { background: #2a57a0; }

/* ── Metric cards ── */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.metric-card {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  border: 1px solid var(--color-border);
}

.metric-label {
  font-size: 11px;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.metric-value {
  font-size: 24px;
  font-weight: 500;
  color: var(--color-text-primary);
  line-height: 1.1;
}

.metric-delta {
  font-size: 11px;
  margin-top: 4px;
  color: var(--color-text-tertiary);
}

.metric-delta.up { color: var(--color-success); }
.metric-delta.down { color: var(--color-danger); }

/* ── Cards ── */
.card {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.card-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-primary);
}

.card-subtitle {
  font-size: 11px;
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

/* ── Group summary cards ── */
.groups-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

.group-card {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.group-card:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-secondary);
}

.group-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.group-card-name { font-size: 14px; font-weight: 500; color: var(--color-text-primary); }
.group-card-meta { font-size: 11px; color: var(--color-text-tertiary); margin-top: 2px; }

.group-card-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 14px;
}

.group-metric-label {
  font-size: 10px;
  color: var(--color-text-tertiary);
  margin-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.group-metric-value { font-size: 16px; font-weight: 500; color: var(--color-text-primary); }

.group-card-footer {
  border-top: 1px solid var(--color-border);
  padding-top: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--color-text-tertiary);
}

/* ── Tables ── */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th {
  text-align: left;
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
  background: var(--color-bg-secondary);
}

th.right, td.right { text-align: right; }

td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-primary);
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--color-bg-hover); }

.table-section-header td {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
  padding: 6px 12px;
  border-top: 1px solid var(--color-border);
}

.table-total td {
  font-weight: 500;
  border-top: 1px solid var(--color-border);
  border-bottom: none;
  background: var(--color-bg-secondary);
}

/* ── Badges ── */
.badge {
  display: inline-block;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 99px;
  font-weight: 500;
}

.badge-green { background: var(--color-success-light); color: #4cd4a0; }
.badge-red { background: var(--color-danger-light); color: #f08080; }
.badge-yellow { background: var(--color-warning-light); color: #f0c060; }
.badge-blue { background: var(--color-primary-light); color: #7aabff; }

/* ── Tabs ── */
.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 16px;
}

.tab {
  padding: 8px 16px;
  font-size: 13px;
  color: var(--color-text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.tab:hover { color: var(--color-text-primary); }

.tab.active {
  color: #7aabff;
  border-bottom-color: var(--color-primary);
  font-weight: 500;
}

/* ── Date bar ── */
.date-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  flex-wrap: wrap;
}

.date-bar label { font-size: 12px; color: var(--color-text-secondary); }

/* ── Loading & empty states ── */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  color: var(--color-text-tertiary);
  font-size: 13px;
  gap: 10px;
}

.empty {
  text-align: center;
  padding: 48px;
  color: var(--color-text-tertiary);
}

.spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--color-border);
  border-top-color: #7aabff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Cache indicator ── */
.cache-badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 99px;
  background: var(--color-bg-secondary);
  color: var(--color-text-tertiary);
  border: 1px solid var(--color-border);
}

/* ── Breadcrumb ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--color-text-tertiary);
}

.breadcrumb a { color: #7aabff; }
.breadcrumb a:hover { text-decoration: underline; }

/* ── Dot indicators ── */
.dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-success);
  flex-shrink: 0;
  display: inline-block;
}

.dot.warn { background: var(--color-warning); }
.dot.danger { background: var(--color-danger); }

/* ── Utility ── */
.text-right { text-align: right; }
.text-success { color: #4cd4a0; }
.text-danger { color: #f08080; }
.text-warning { color: #f0c060; }
.text-muted { color: var(--color-text-tertiary); }
.font-medium { font-weight: 500; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-8 { gap: 8px; }
.mt-4 { margin-top: 4px; }
.negative { color: #f08080; }