main { max-width: 1680px; }
h1 { margin: 0 0 6px; font-size: 1.9rem; letter-spacing: -0.025em; }
h2 { margin: 0 0 12px; font-size: 1.1rem; }
h3 { margin: 0 0 5px; font-size: 1rem; }
.intro { margin-top: 0; color: var(--text-secondary); max-width: 75ch; }
button, select { font: inherit; color: var(--text-primary); background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 6px 9px; }
button { cursor: pointer; }
button:disabled { cursor: default; opacity: 0.5; }
button[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent-text); }
.study-filters { display: flex; flex-wrap: wrap; gap: 12px; padding: 16px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-1); align-items: end; }
.study-filters label { display: grid; gap: 4px; color: var(--text-secondary); font-size: 0.82rem; min-width: 100px; max-width: 100%; }
.study-filters select { width: 100%; max-width: 300px; font-size: 0.9rem; }
.method-note, .methodology { color: var(--text-secondary); font-size: 0.9rem; }
.study-toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
.study-toolbar p { margin: 8px 0; }
.toolbar-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.toolbar-actions label { display: flex; align-items: center; gap: 8px; font-size: 0.82rem; color: var(--text-secondary); }
.study-legend { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 10px 0; font-size: 0.86rem; }
.study-legend span { display: flex; gap: 6px; align-items: center; }
.study-legend svg { width: 22px; height: 22px; overflow: visible; }
.study-plots { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.study-plot { min-width: 0; padding: 14px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-1); }
.study-plot p { margin: 0; color: var(--text-secondary); font-size: 0.8rem; }
.study-plot svg { display: block; width: 100%; overflow: visible; }
.study-plot .plot-scale { font-size: 0.72rem; }
.study-plot .plot-axis line, .study-plot .plot-axis path { stroke: var(--axis); }
.study-plot .plot-axis text, .study-plot .axis-title { fill: var(--text-secondary); font-size: 11px; }
.study-plot .plot-grid line { stroke: var(--grid); }
.study-plot .plot-grid .domain { display: none; }
.fold-baseline { stroke: var(--text-muted); stroke-dasharray: 3 4; opacity: 0.6; }
.frontier-line { fill: none; stroke: var(--text-secondary); stroke-width: 1.4; opacity: 0.65; }
.study-plot .range { pointer-events: none; stroke-width: 1.25; }
.study-plot .point { cursor: pointer; }
.study-plot .point:focus { outline: none; }
.study-plot .point.selected .mark, .study-plot .point:focus .mark { stroke: var(--text-primary); stroke-width: 2.5; opacity: 1; }
.plot-empty { fill: var(--text-secondary); font-size: 12px; }
.study-results { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 24px; margin-top: 16px; align-items: start; }
.study-results > * { min-width: 0; }
#measurements { margin-top: 24px; }
.table-scroll { overflow: auto; max-height: 600px; border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; background: var(--surface-1); font-size: 0.82rem; }
th, td { padding: 9px 10px; border-bottom: 1px solid var(--border); text-align: left; font-variant-numeric: tabular-nums; }
th { position: sticky; top: 0; z-index: 1; background: var(--surface-1); font-weight: 600; white-space: nowrap; color: var(--text-secondary); }
tr:last-child td { border-bottom: 0; }
tr.selected { background: var(--accent-soft); }
.setting-button { border: 0; padding: 0; background: transparent; color: var(--accent-text); text-align: left; }
td small { display: block; color: var(--text-secondary); }
.frontier-label { color: var(--good-text); font-weight: 600; }
.drift { color: var(--critical); }
#detail { position: sticky; top: 16px; max-height: calc(100vh - 32px); overflow: auto; padding: 16px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-1); overflow-wrap: anywhere; }
#detail dl { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; font-size: 0.87rem; }
#detail dt { color: var(--text-secondary); }
#detail dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
#detail p { font-size: 0.87rem; }
#detail pre { white-space: pre-wrap; font-size: 0.73rem; }
#detail .table-scroll { margin: 12px 0; }
#detail table { white-space: nowrap; }
.methodology { margin-top: 28px; border-top: 1px solid var(--border); padding-top: 20px; max-width: 100ch; }
.methodology h2 { color: var(--text-primary); }
@media (max-width: 1100px) {
  .study-results { grid-template-columns: minmax(0, 1fr); }
  #detail { position: static; grid-row: 1; max-height: min(480px, 60vh); }
}
@media (max-width: 760px) { .study-plots { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 600px) {
  main { padding: 20px 14px; }
  .study-filters { padding: 12px; }
  .study-filters label { flex: 1 1 130px; }
  body:not(.has-selection) #detail { display: none; }
  .toolbar-actions { width: 100%; }
  .toolbar-actions label { flex-wrap: wrap; }
}