.week-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.week-nav h2 {
  margin: 0;
  font-size: 1.25rem;
  flex: 1;
  text-align: center;
}

.week-nav-btn {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1.25rem;
  line-height: 1;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  color: var(--color-text);
}

.week-nav-btn:hover:not(:disabled) {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.week-nav-btn:disabled {
  opacity: 0.3;
  cursor: default;
}

.week-label {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.stat-card {
  background: var(--color-bg-soft);
  border-radius: var(--radius);
  padding: 0.75rem;
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-label {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.max-routes-block,
.recommendation {
  border-top: 1px solid var(--color-border);
  padding-top: 0.95rem;
}

.max-routes-block {
  margin-bottom: 1rem;
}

.max-routes-block h3,
.recommendation h3 {
  margin: 0 0 0.7rem;
  font-size: 1rem;
}

.rec-method {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.rec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.35rem 0;
}

.rec-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.rec-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-secondary);
}

.threshold-value {
  color: var(--color-danger);
}

.empty-message {
  color: var(--color-text-muted);
  line-height: 1.5;
}