/* Editorial diagrams: shared hierarchy, subject-specific marks. */
.study-atlas.diagram { padding: 0; border: 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); border-radius: 0; background: var(--paper); box-shadow: none; }
.study-heading { padding: 28px 28px 12px; }
.study-heading .eyebrow { color: var(--muted); font: 500 .68rem/1.4 'Geist Mono', monospace; letter-spacing: .08em; }
.study-heading h2 { margin: 10px 0; font: 400 clamp(1.8rem, 3vw, 2.5rem)/1.12 'Instrument Serif', Georgia, serif; }
.study-heading > p:last-child { color: var(--muted); font-size: .95rem; }
.study-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; padding: 8px 28px 24px; color: var(--muted); font: 400 .8rem 'Geist', sans-serif; }
.study-controls button { padding: 8px 4px; border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: transparent; color: var(--muted); font: 500 .85rem 'Geist', sans-serif; cursor: pointer; }
.study-controls button[aria-pressed="true"] { border-color: var(--coral); color: var(--ink); }
.study-controls button:focus-visible, .block-atlas .inspector-title-row button:focus-visible { outline: 1px solid var(--muted); outline-offset: 3px; }
.study-controls label { display: flex; align-items: center; gap: 16px; }
.study-controls input { width: 150px; accent-color: var(--coral); }
.study-hint { margin-left: auto; font-size: .75rem; }
.study-canvas { overflow-x: auto; }
.study-canvas svg { display: block; width: 100%; min-width: 680px; height: auto; overflow: visible; }
.study-canvas text { fill: var(--ink); font: 400 15px 'Geist', sans-serif; }
.study-canvas .headline { font-size: 23px; font-weight: 600; letter-spacing: -.03em; }
.study-canvas .label { font-size: 18px; font-weight: 600; }
.study-canvas .meta { font: 500 11px 'Geist Mono', monospace; fill: var(--muted); letter-spacing: .06em; }
.study-canvas .mono { font: 400 13px 'Geist Mono', monospace; fill: var(--muted); }
.study-canvas .number { font: 400 12px 'Geist Mono', monospace; fill: var(--muted); }
.study-canvas .note { fill: var(--muted); font-size: 15px; }
.study-canvas path { fill: none; }
.study-canvas circle { fill: var(--paper); stroke: var(--ink); stroke-width: 1.5; }
.study-canvas .wire, .study-canvas .axis { stroke: var(--muted); stroke-width: 1; }
.study-canvas .grid { stroke: var(--rule); stroke-width: 1; }
.study-canvas .value-stem { stroke: var(--ink); stroke-width: 1.5; }
.study-canvas .weight, .study-canvas .mix { stroke: var(--ink); }
.study-canvas .mix { opacity: .7; }
.study-canvas marker path { fill: var(--muted); }
.study-canvas .solid { fill: var(--ink); }
.study-canvas .focal { fill: var(--coral); stroke: var(--coral); }
.study-canvas .soft-dot { fill: var(--rule); stroke: var(--rule); }
.study-canvas .accent { fill: var(--coral); }
.study-canvas .accent-stroke { stroke: var(--coral); stroke-width: 2; }
.study-canvas .muted-stroke { stroke: var(--muted); stroke-width: 1; }
.study-canvas .hit { fill: transparent; stroke: none; cursor: pointer; }
.study-canvas [data-pick]:focus-visible { outline: none; }
.study-canvas [data-pick]:focus-visible .hit { stroke: var(--coral); stroke-dasharray: 4 4; }
.study-equation { margin: 8px 28px 24px; overflow-x: auto; padding-block: 12px; font-size: 1.15rem; }
.study-equation mjx-container { margin: 0 !important; }
.study-footer { padding: 20px 28px; border-top: 1px solid var(--rule); display: flex; gap: 24px; align-items: start; justify-content: space-between; }
.study-footer p { color: var(--muted); font-size: .85rem; margin: 0; max-width: 70ch; }
.study-footer a { flex: 0 0 180px; color: var(--ink); font-size: .8rem; text-underline-offset: 5px; }

/* Node details remain in the document below the graph; selecting a node updates this section in place. */
.block-atlas .diagram-inspector {
  position: static; width: auto; max-height: none; margin: 16px 0 0; padding: 24px;
  border: 1px solid var(--rule); border-left: 3px solid var(--teal);
  background: var(--paper); display: block; overflow: visible; box-sizing: border-box;
}
.block-atlas .diagram-inspector .inspector-heading { display: block; padding-right: 36px; }
.block-atlas .inspector-heading .eyebrow { color: var(--muted); font: 500 .65rem/1.4 'Geist Mono', monospace; letter-spacing: .1em; }
.block-atlas .stage-detail-index { display: block; margin: 20px 0 10px; padding: 0; border: 0; border-radius: 0; color: var(--coral); font: 400 .72rem/1.5 'Geist Mono', monospace; text-transform: none; }
.block-atlas .inspector-title-row h3 { font: 400 2.2rem/1.05 'Instrument Serif', Georgia, serif; max-width: 95%; }
.block-atlas .inspector-title-row button { position: absolute; right: 20px; top: 20px; width: 36px; height: 36px; padding: 0; border: 0; border-radius: 0; font: 400 24px/1 'Geist', sans-serif; color: var(--muted); }
.block-atlas .inspector-title-row button:hover { background: var(--surface); color: var(--ink); }
.block-atlas .diagram-inspector .stage-detail-summary { margin: 20px 0 0; font: 400 .88rem/1.7 'Geist', sans-serif; color: var(--muted); }
.block-atlas .diagram-inspector .inspector-content { display: block; }
.block-atlas .diagram-inspector .stage-detail-equation { margin: 24px 0; padding: 20px 0; border: 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); background: transparent; font-size: 1.02rem; line-height: 2.1; }
.block-atlas.has-stage-selection .diagram-inspector .stage-detail-code-wrap { background: transparent; }
.block-atlas .stage-detail-code-heading { display: block; font: 400 .68rem/1.6 'Geist Mono', monospace; }
.block-atlas .stage-detail-code-heading a { display: block; margin-top: 10px; font: 500 .8rem 'Geist', sans-serif; color: var(--ink); text-underline-offset: 4px; }
.block-atlas .diagram-inspector pre { margin-top: 20px; padding: 16px 0; border: 0; border-radius: 0; background: transparent; color: var(--ink); font: 400 .74rem/1.8 'Geist Mono', monospace; }
.block-atlas .diagram-inspector pre code { background: transparent; padding: 0; }
.block-atlas .diagram-inspector .hljs { color: var(--ink); }
.block-atlas .diagram-inspector :is(.hljs-keyword,.hljs-built_in,.hljs-variable) { color: var(--coral); }
.block-atlas .diagram-inspector .hljs-comment { color: var(--muted); }
@media (max-width: 720px) {
  .study-heading { padding-inline: 20px; }
  .study-controls { padding-inline: 20px; }
  .study-hint { width: 100%; margin: 0; }
  .study-footer { flex-direction: column; padding: 16px 20px; gap: 14px; }
  .study-footer a { flex: none; }
  .block-atlas .diagram-inspector { padding: 20px; }
}