/* Roofline-specific layouts and interactions. Typography, paper colors, and
   shared components come from the parallelizing article's style.css. */
html { scroll-behavior: auto; }
.roofline-page [hidden] { display: none !important; }
.roofline-page .minor-heading { font-size: 1.05rem; margin: 1.8rem 0 0.8rem; }
.roofline-page .chapter-nav { font: 0.8rem var(--sans); display: flex; justify-content: space-between; gap: 1rem; margin: 0.8rem 0; }
.roofline-page .chapter-nav a:last-child { white-space: nowrap; }
.roofline-page .eyebrow { font: 0.7rem var(--sans); text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-2); margin-bottom: 0.7rem; }
.roofline-page .part-links { margin: 0.7rem 0 1.2rem; font-size: 1.05rem; }
.roofline-page .article-meta { display: grid; grid-template-columns: 2fr 1fr; gap: 1.5rem; border-block: 1px solid var(--grid); padding: 1.2rem 0; margin: 1.8rem 0; font: 0.82rem/1.6 var(--sans); color: var(--ink-2); }
.roofline-page .meta-label { text-transform: uppercase; font-size: 0.62rem; margin-bottom: 0.5rem; }
.roofline-page .authors { list-style: none; padding: 0; margin: 0; columns: 2; font-weight: 600; }
.roofline-page .authors li { break-inside: avoid; margin-bottom: 0.15rem; }
.roofline-page .article-meta p:last-child { margin-bottom: 0; }
.roofline-page .figure-controls .seg { display: inline-flex; gap: 0.3rem; }
.roofline-page .machine { display: block; max-height: 50svh; overflow-y: auto; overscroll-behavior: contain; }
.roofline-page .machine-row { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: center; gap: 0.3rem 0.75rem; }
.roofline-page .machine-row + .machine-row { margin-top: 0.35rem; }
.roofline-page .machine .setting { white-space: nowrap; }
.roofline-page .machine-select { display: inline-flex; flex-wrap: wrap; align-items: baseline; gap: 0.25rem 0.4rem; max-width: 100%; }
.roofline-page .machine select { min-width: 0; max-width: 100%; }
.roofline-page .machine .seg { margin-left: 0; }
.roofline-page .machine [data-select="precision"] { width: 10.5rem; }
.roofline-page .machine .seg-opt { min-height: 24px; }
.roofline-page button:focus-visible, .roofline-page select:focus-visible, .roofline-page summary:focus-visible { outline: 2px solid var(--derived); outline-offset: 3px; }
.roofline-page .scope { border-left: 3px solid var(--ink); padding: 0.15rem 0 0.15rem 1rem; margin: 1.6rem 0; }
.roofline-page .scope p { margin: 0; }
.roofline-page .scope .eyebrow { margin-bottom: 0.4rem; }
.roofline-page .howto > :last-child { margin-bottom: 0; }
.roofline-page .scrub-example { color: var(--scrub); border-bottom: 1px dashed currentColor; }
.roofline-page .notation { margin: 1rem 0 1.4rem; }
.roofline-page .notation > div { display: grid; grid-template-columns: 2rem 1fr; gap: 0.5rem; margin: 0.65rem 0; }
.roofline-page .notation dt { font-style: italic; font-weight: bold; }
.roofline-page .notation dd { margin: 0; }
.roofline-page .t-var { touch-action: pan-y; min-height: 24px; }
.roofline-page .t-out { cursor: help; }
.roofline-page .figure-context { font: 0.8rem var(--sans); color: var(--ink-2); margin: -0.2rem 0 0.8rem; }
.roofline-page .parameter-count { font: 0.85rem/1.5 var(--sans); color: var(--ink-2); margin: 0.5rem 0 0.8rem; }
.roofline-page .readout-grid .cost-formula { font: 0.75rem/1.5 var(--mono); margin-top: 0.4rem; }
.roofline-page .readout-grid + .source-note { margin: 0.8rem 0 0; }
.roofline-page .cost-details { font: 0.82rem/1.6 var(--sans); color: var(--ink-2); margin-bottom: 0; }
.roofline-page .timeline-overflow:empty { display: none; }
.roofline-page .timeline-overflow { color: var(--warn); }
.roofline-page .figure-controls { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; font: 0.85rem var(--sans); color: var(--ink-2); align-items: baseline; margin-bottom: 0.6rem; }
.roofline-page .figure-controls select { max-width: 100%; font: inherit; padding: 0.3rem; border: 1px solid var(--axis); background: var(--surface); color: var(--ink); border-radius: 3px; }
.roofline-page .roof-chart { display: block; width: 100%; touch-action: pan-y; overflow: visible; }
.roofline-page .roof-chart text { font: 12px var(--sans); fill: var(--ink-2); }
.roofline-page .roof-chart .axis-label { font-size: 13px; }
.roofline-page .roof-chart .grid { stroke: var(--grid); stroke-width: 1; }
.roofline-page .roof-chart .curve { fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.roofline-page .chart-readout { font: 0.8rem var(--sans); color: var(--ink-2); min-height: 1.4rem; padding-top: 0.5rem; }
.roofline-page .legend { display: flex; flex-wrap: wrap; gap: 0.45rem 1.5rem; font: 0.75rem var(--sans); margin: 0.7rem 0; }
.roofline-page .legend span { display: inline-flex; align-items: center; gap: 0.45rem; }
.roofline-page .box-key { display: inline-block; flex: 0 0 0.8rem; width: 0.8rem; height: 0.8rem; background: var(--s1); }
.roofline-page .box-key.orange { background: var(--s2); }
.roofline-page .line-key { width: 1.4rem; border-top: 2px solid var(--s1); display: inline-block; }
.roofline-page .line-key.orange { border-color: var(--s2); }
.roofline-page #plot .line-key.orange { border-top-style: dashed; }
.roofline-page .line-key.peak { border-color: var(--ink); border-top-style: dashed; }
.roofline-page .region-legend { display: flex; flex-wrap: wrap; gap: 0.7rem 1.2rem; margin: 0.6rem 0; font: 0.75rem/1.5 var(--sans); }
.roofline-page .region-legend span { display: flex; align-items: baseline; gap: 0.4rem; flex: 1 1 180px; }
.roofline-page .region-key { flex: 0 0 0.8rem; height: 0.8rem; border: 1px solid #0002; }
.roofline-page .region-key.bandwidth { background: #f5d3d3; }
.roofline-page .region-key.mixed { background: #fff1bd; }
.roofline-page .region-key.compute { background: #dcebd4; }
.roofline-page .readout-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--grid); margin-top: 0.7rem; padding-top: 1rem; gap: 0.75rem; }
.roofline-page .readout-grid small { display: block; font: 0.7rem var(--sans); color: var(--ink-2); margin-bottom: 0.2rem; }
.roofline-page .readout-grid strong { font: 500 1.35rem var(--sans); }
.roofline-page .bound-label { display: inline-block; background: #f6e7d9; color: #713c12; }
.roofline-page .bound-label.compute { background: #e5eee5; color: #28582b; }
.roofline-page .traffic { display: grid; grid-template-columns: 1fr auto 1fr; gap: 0.8rem; align-items: center; font: 0.85rem var(--sans); margin: 1rem 0; }
.roofline-page .traffic-box { border: 1px solid var(--axis); border-radius: 4px; padding: 1rem; text-align: center; }
.roofline-page .traffic-box small { display: block; color: var(--ink-2); margin-top: 0.4rem; }
.roofline-page .traffic-link { text-align: center; }
.roofline-page .traffic-link strong { display: block; font-size: 1.3rem; }
.roofline-page .traffic-link small { display: block; font-size: 0.7rem; }
.roofline-page .eq.numbered { display: grid; grid-template-columns: minmax(0, 1fr) 2.5rem; align-items: center; gap: 0.5rem; }
.roofline-page .eq-content { overflow-x: auto; padding: 0.4rem 0; }
.roofline-page .equation-number { color: var(--ink-2); font: 0.9rem var(--serif); text-decoration: none; }
.roofline-page .example-label { color: var(--derived); margin-top: 1.7rem; }
.roofline-page .math-detail { font-size: 0.95rem; color: var(--ink-2); }
.roofline-page .exercise { border: 0; padding: 0; margin: 1.8rem 0; }
.roofline-page .exercise .question-heading { font-size: 1em; letter-spacing: 0; margin: 0 0 0.3rem; }
.roofline-page .exercise ol { padding-left: 1.7rem; }
.roofline-page .exercise li { padding-left: 0.2rem; margin-bottom: 0.55rem; }
.roofline-page .source-note { font: 0.8rem/1.6 var(--sans); color: var(--ink-2); }
.roofline-page .hardware-table { font: 0.8rem/1.5 var(--sans); }
.roofline-page .hardware-table th { white-space: nowrap; }
.roofline-page .hardware-table tr.selected { background: var(--derived-bg); }
.roofline-page .hardware-table button { color: var(--derived); background: none; border: 0; padding: 0.35rem 0; font: inherit; text-align: left; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.roofline-page .hardware-table td:not(:first-child) { white-space: nowrap; }
.roofline-page .chapter-links { margin-top: 2rem; font-family: var(--sans); font-size: 0.9rem; }
.roofline-page :is(section, h3[id], h4[id], figure[id], .eq[id], .footnote, #footnotes) { scroll-margin-top: var(--reading-offset, 6rem); }
.roofline-page nav.toc { display: block; position: static; width: auto; margin: 1.5rem 0; font: 0.78rem/1.5 var(--sans); }
.roofline-page .toc h2 { font-size: 1.1rem; margin: 0 0 0.75rem; padding: 0; border: 0; }
.roofline-page .toc a { display: block; padding: 0.15rem 0 0.15rem 0.6rem; text-decoration: none; border-left: 2px solid transparent; color: var(--muted); }
.roofline-page .toc a.sub { padding-left: 1.4rem; }
.roofline-page .toc a:hover { color: var(--ink); }
.roofline-page .toc a.active { color: var(--ink); border-left-color: var(--s1); }
.roofline-page .footnote-ref { vertical-align: super; font: 0.75rem var(--sans); color: var(--derived); background: none; border: 0; padding: 0.15rem 0.2rem; min-width: 1.25rem; min-height: 1.5rem; cursor: pointer; }
.roofline-page .footnote-body { position: fixed; z-index: 80; width: min(340px, calc(100vw - 24px)); padding: 0.8rem 1rem; background: var(--surface); border: 1px solid var(--grid); border-radius: 6px; box-shadow: 0 2px 10px #0001; color: var(--ink-2); font: 0.82rem/1.6 var(--sans); }
.roofline-page .footnotes { max-width: var(--measure); margin: 3rem auto; font-size: 0.82rem; }
.roofline-page .footnotes h2 { font-size: 1.2rem; margin-bottom: 1rem; }
.roofline-page .footnotes ol { padding-left: 1.5rem; }
.roofline-page .footnotes li { margin-bottom: 0.8rem; padding-left: 0.3rem; }
@media (min-width: 88rem) {
  .roofline-page nav.toc { position: fixed; top: var(--reading-offset, 6rem); left: max(1rem, calc(50vw - var(--breakout) / 2 - 15rem)); width: 12.5rem; margin: 0; }
}
.roofline-page .toast { position: fixed; bottom: 1rem; left: 50%; transform: translateX(-50%); width: max-content; max-width: calc(100vw - 2rem); z-index: 100; padding: 0.8rem 1rem; border: 1px solid var(--axis); border-radius: 5px; box-shadow: 0 3px 12px #0001; background: var(--surface); font: 0.85rem/1.5 var(--sans); color: var(--ink); }
.roofline-page .noscript { padding: 1rem; background: #fff0d0; }
@media (max-width: 650px) {
  .roofline-page .machine-row { justify-content: flex-start; gap: 0.25rem 0.8rem; }
  .roofline-page .machine .glabel { display: none; }
  .roofline-page .paper { padding-inline: 1rem; }
  .roofline-page .article-meta { grid-template-columns: 1fr; gap: 1rem; }
  .roofline-page .figure-panel { padding: 0.75rem; }
  .roofline-page .readout-grid strong { font-size: 1.05rem; }
  .roofline-page .traffic { gap: 0.35rem; font-size: 0.7rem; }
  .roofline-page .traffic-box { padding: 0.6rem 0.25rem; }
  .roofline-page .roof-chart text { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  .roofline-page .machine { position: static; max-height: none; overflow: visible; }
  .roofline-page .figure-panel { break-inside: avoid; }
}

.roofline-page .comparison-actions { margin-left: auto; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.roofline-page .comparison-actions button:disabled { opacity: 0.5; cursor: default; }

.roofline-page .adaptation-label { color: #0e7a57; font: 0.75rem/1.5 var(--sans); }
.roofline-page .provenance { margin: 1.5rem 0; }
.roofline-page [data-value="timelineScaleNote"]:empty { display: none; }