.sp500-river-nav { display:flex; flex-wrap:wrap; gap:10px; padding:4px 0; }
.sp500-river-nav a { padding:10px 14px; border:1px solid #dce5ec; border-radius:9px; color:#365774; background:#f6fafc; text-decoration:none; }
.sp500-river-nav a:hover { border-color:#42b5b2; background:#eef9f8; }
.sp500-valuation-panel { scroll-margin-top:18px; }
.sp500-valuation-controls { display:flex; flex-wrap:wrap; gap:12px 22px; align-items:center; padding:12px 16px 0; color:#5c7187; font-size:12px; }
.sp500-valuation-controls label { display:flex; gap:8px; align-items:center; }
.sp500-valuation-controls select { padding:6px 9px; background:#fff; border:1px solid #dce5ec; border-radius:7px; color:#365774; }
.sp500-cape-comparisons { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:10px; margin:12px 0; }
.sp500-cape-comparisons > div { display:grid; gap:8px; padding:12px; background:#f7fafc; border:1px solid #e0eaf1; border-radius:9px; }
.sp500-cape-comparisons span { font-size:12px; color:#65798e; }
.sp500-cape-comparisons strong { font-size:19px; font-weight:550; color:#365774; }
.sp500-valuation-cutoff { padding:10px 12px; background:#f2f8fc; border-left:3px solid #79b6d2; border-radius:4px; }
.sp500-valuation-method { margin:12px 0; color:#65798e; font-size:12px; line-height:1.8; }
.sp500-valuation-method summary { cursor:pointer; color:#365774; }
.sp500-valuation-method p { margin:8px 0; }
.sp500-valuation-panel .pe-river-source { overflow-wrap:anywhere; }
@media (max-width:640px) {
  .sp500-river-nav { gap:7px; }
  .sp500-river-nav a { font-size:12px; padding:9px 10px; }
  .sp500-cape-comparisons { grid-template-columns:1fr; gap:7px; }
  .sp500-cape-comparisons > div { display:flex; justify-content:space-between; align-items:center; padding:10px 12px; }
  .sp500-cape-comparisons strong { font-size:17px; white-space:nowrap; }
}