:root {
  color-scheme: light;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  line-height: 1.4;
}

body {
  margin: 0;
  background: #f5f7fb;
  color: #1f2937;
}

/* Navigation */
.site-nav {
  background: #111827;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.7rem 1rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-brand {
  font-weight: 700;
  font-size: 0.875rem;
  color: #fff;
  text-decoration: none;
  margin-right: auto;
  letter-spacing: 0.01em;
}

.nav-inner a {
  color: #9ca3af;
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
}

.nav-inner a:hover,
.nav-inner a[aria-current="page"] {
  color: #fff;
}

/* Header */
.page-header {
  background: #111827;
  color: #fff;
  padding: 1.5rem 1rem;
  border-bottom: 3px solid #3b82f6;
}

.page-header h1 {
  margin: 0 0 0.35rem;
  font-size: 1.5rem;
}

.page-header p {
  margin: 0;
  color: #9ca3af;
  font-size: 0.875rem;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
}

h1, h2 {
  margin: 0 0 0.5rem;
}

section {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 1rem;
  margin: 1rem 0;
}

/* Scorecards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}

.card {
  border: 1px solid #e5e7eb;
  border-left: 4px solid #e5e7eb;
  border-radius: 8px;
  padding: 0.875rem 0.75rem;
  background: #f9fafb;
}

.card-favorable  { border-left-color: #16a34a; }
.card-unfavorable { border-left-color: #dc2626; }
.card-review     { border-left-color: #d97706; }
.card-unavailable,
.card-skipped    { border-left-color: #9ca3af; }

.card .label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: #6b7280;
  margin-bottom: 0.35rem;
}

.card .value {
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
}

/* Department filter */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0.75rem 0;
}

.filter-bar label {
  font-size: 0.85rem;
  font-weight: 600;
  color: #374151;
}

.view-toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: #374151;
  cursor: pointer;
  margin-left: 0.75rem;
}

.view-toggle input[type="checkbox"] {
  cursor: pointer;
}

select {
  padding: 0.35rem 0.6rem;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  background: #fff;
  font-size: 0.875rem;
  color: #111827;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th, td {
  border: 1px solid #e5e7eb;
  padding: 0.45rem 0.6rem;
  text-align: left;
  vertical-align: top;
  white-space: nowrap;
}

th {
  background: #f3f4f6;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #374151;
}

tr:hover td {
  background: #f9fafb;
}

/* Status cells */
.status-favorable {
  background: #f0fdf4;
  color: #166534;
  font-weight: 700;
}

.status-unfavorable {
  background: #fef2f2;
  color: #991b1b;
  font-weight: 700;
}

.status-review {
  background: #fffbeb;
  color: #854d0e;
  font-weight: 700;
}

.status-unavailable {
  color: #6b7280;
  font-weight: 600;
}

/* Sparklines */
.sparkline {
  display: inline-block;
  vertical-align: middle;
  width: 60px;
  height: 20px;
  overflow: visible;
}

.sparkline-empty {
  color: #9ca3af;
}

.td-spark {
  vertical-align: middle;
  white-space: nowrap;
}

.trend-label {
  display: inline-block;
  vertical-align: middle;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-left: 4px;
}

.trend-improving { color: #16a34a; }
.trend-declining { color: #dc2626; }
.trend-mixed     { color: #d97706; }
.trend-flat      { color: #9ca3af; }

/* Muted section state (e.g. Skipped KPIs when count = 0) */
.section-muted {
  background: #f9fafb;
  border-color: #f3f4f6;
}

.empty-state {
  margin: 0;
  font-size: 0.875rem;
  color: #6b7280;
}

.section-muted h2 {
  font-size: 0.875rem;
  font-weight: 600;
  color: #9ca3af;
}