/* linear-interval-extremum explainer; every selector is scoped to .explain-linear-interval-extremum. */
.explain-linear-interval-extremum .li-core { margin:16px 0 12px; font-size:15px; font-weight:600; line-height:1.65; }
.explain-linear-interval-extremum .li-problem { display:flex; align-items:baseline; gap:8px; margin:0 0 12px; padding:10px 14px; border:1px solid #f0dcc0; border-radius:12px; background:#fffaf2; color:#5e4520; font-size:14px; line-height:1.7; }
.explain-linear-interval-extremum .li-badge { flex:none; padding:1px 7px; border-radius:6px; background:#d98a1f; color:#fff; font-size:11.5px; font-weight:700; letter-spacing:.04em; }
.explain-linear-interval-extremum .li-explorer { display:grid; gap:10px; padding:14px; border:1px solid #dbe8e4; border-radius:16px; background:linear-gradient(180deg,#f5fbfa,#fbfdfc); }
.explain-linear-interval-extremum .li-controls { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:8px 16px; }
.explain-linear-interval-extremum .li-control { display:grid; grid-template-columns:auto 1fr 3.2em; align-items:center; gap:10px; padding:6px 12px; border:1px solid #d6e6e1; border-radius:12px; background:#fff; color:#33504a; font-size:14px; font-weight:600; }
.explain-linear-interval-extremum .li-control input { width:100%; accent-color:#b6782c; }
.explain-linear-interval-extremum .li-control input:focus-visible { outline:3px solid #82cfc7; outline-offset:2px; }
.explain-linear-interval-extremum .li-control output { color:var(--teal-dark); font-variant-numeric:tabular-nums; text-align:right; }
.explain-linear-interval-extremum .li-graph { display:block; width:100%; max-width:560px; height:auto; margin:0 auto; }
.explain-linear-interval-extremum .li-plot { fill:#fff; stroke:#e0ebe8; }
.explain-linear-interval-extremum .li-band { fill:#e3f4ef; }
.explain-linear-interval-extremum .li-axis { fill:none; stroke:#9dafaa; stroke-width:1.3; }
.explain-linear-interval-extremum .li-tick { fill:#46605a; font-size:13px; }
.explain-linear-interval-extremum .li-line-outside { stroke:#b9cbc6; stroke-width:2; stroke-dasharray:5 5; }
.explain-linear-interval-extremum .li-line { stroke:#087f79; stroke-width:3.6; stroke-linecap:round; }
.explain-linear-interval-extremum .li-line.bad { stroke:#b5523a; }
.explain-linear-interval-extremum .li-point { stroke:#fff; stroke-width:2; }
.explain-linear-interval-extremum .li-point.low { fill:#2563a8; }
.explain-linear-interval-extremum .li-point.high { fill:#c2410c; }
.explain-linear-interval-extremum .li-point.flat { fill:#46605a; }
.explain-linear-interval-extremum .li-value { fill:#33504a; font-size:13px; font-weight:600; paint-order:stroke; stroke:#fff; stroke-width:4px; stroke-linejoin:round; }
.explain-linear-interval-extremum .li-status { display:grid; gap:6px; }
.explain-linear-interval-extremum .li-row { display:grid; grid-template-columns:auto 1fr; align-items:baseline; gap:2px 10px; margin:0; padding:8px 12px; border:1px solid #e0ebe8; border-radius:11px; background:#fff; font-size:14.5px; }
.explain-linear-interval-extremum .li-row small { grid-column:2; color:var(--muted); font-size:12.5px; line-height:1.55; }
.explain-linear-interval-extremum .li-tag { padding:1px 8px; border-radius:6px; background:#1f3b39; color:#fff; font-size:12px; font-weight:600; white-space:nowrap; }
.explain-linear-interval-extremum .li-tag.low { background:#2563a8; }
.explain-linear-interval-extremum .li-tag.high { background:#c2410c; }
.explain-linear-interval-extremum .li-tag.check { background:#087f79; }
.explain-linear-interval-extremum .li-notes { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:10px; margin:16px 0 0; }
.explain-linear-interval-extremum .li-note { padding:12px 14px; border:1px solid #e0ebe8; border-radius:14px; background:#fbfdfc; font-size:13.5px; line-height:1.7; }
.explain-linear-interval-extremum .li-note h3 { margin:0 0 6px; font-size:14px; font-weight:700; }
.explain-linear-interval-extremum .li-note p { margin:0 0 6px; }
.explain-linear-interval-extremum .li-note > :last-child { margin-bottom:0; }
.explain-linear-interval-extremum .li-link { padding:0; border:0; background:none; color:var(--teal-dark); font:inherit; font-weight:650; text-decoration:underline; text-underline-offset:3px; cursor:pointer; }
@media(max-width:760px) {
  .explain-linear-interval-extremum .li-notes { grid-template-columns:1fr; }
}
@media(max-width:600px) {
  .explain-linear-interval-extremum .li-core { font-size:14px; }
  .explain-linear-interval-extremum .li-explorer { padding:10px 8px; }
  .explain-linear-interval-extremum .li-controls { grid-template-columns:1fr; }
  .explain-linear-interval-extremum .li-row { padding:7px 9px; font-size:13.5px; }
}