:root {
  --bg: #f5f1e8;
  --surface: #fffdf8;
  --ink: #1f2a33;
  --accent: #146c78;
  --accent-soft: #dceef0;
}

html {
  font-size: 15px;
}

body {
  background: radial-gradient(circle at top left, rgba(20, 108, 120, 0.12), transparent 26%), linear-gradient(180deg, #f9f6ef 0%, #f2ede2 100%);
  color: var(--ink);
}

.portal-shell .card,
.portal-shell .table,
.portal-shell .form-control,
.portal-shell .form-select,
.portal-shell .list-group-item {
  border-radius: 1rem;
}

.hero-card {
  background: linear-gradient(135deg, #173f4a, #146c78);
  color: white;
  border: 0;
}

.metric-card {
  background: var(--surface);
  border: 1px solid rgba(31, 42, 51, 0.08);
  box-shadow: 0 12px 30px rgba(31, 42, 51, 0.06);
}

.table thead th {
  background: var(--accent-soft);
}

.login-panel {
  max-width: 420px;
  margin: 5rem auto;
}