.concept-diagram{background:var(--subtle);border-radius:16px;margin:0;padding:1.25rem}.concept-heading{justify-content:space-between;gap:1rem;margin-bottom:.5rem;display:flex}.concept-count{color:var(--accent);white-space:nowrap}.concept-viewport{width:100%;aspect-ratio:var(--concept-ratio);max-height:65dvh;position:relative;overflow:auto}.concept-canvas{transform-origin:0 0;position:absolute;inset:0}.concept-edges{pointer-events:none;position:absolute;inset:0}.concept-edges g path{fill:none;stroke:var(--accent);stroke-width:2px}.concept-edges g.concept-emphasis path{stroke-width:4px}.concept-edges marker path{fill:var(--accent)}.concept-node{background:var(--surface);width:180px;height:100px;color:var(--ink);border-radius:10px;padding:12px;text-decoration:none;position:absolute}.concept-node strong{margin-block:5px;font-size:13px;line-height:1.4;display:block}.concept-node>span:last-child{color:var(--muted);font-size:12px;line-height:1.4;display:block}.concept-node-mark{background:var(--node-color,var(--accent));border-radius:2px;width:20px;height:4px;display:block}.concept-node:hover{box-shadow:0 3px 18px #00000015}.concept-diagram figcaption{min-height:0;margin:1rem 0 0}.concept-diagram figcaption p{margin:.4rem 0 0}.concept-controls{flex-wrap:wrap;gap:.5rem;margin-top:.85rem;display:flex}.concept-controls button{border:0;padding-inline:.75rem;font-size:.75rem}.concept-controls [data-concept-next]{background:var(--brand);color:var(--brand-ink)}.concept-mobile,.mobile-concept-viewport{display:none}.concept-relations{font-size:.75rem}.concept-relations summary{padding-block:.3rem}.concept-enhanced g.concept-new path{animation:.85s ease-out connection-draw}@keyframes connection-draw{0%{stroke-dasharray:1;stroke-dashoffset:1px}to{stroke-dasharray:1;stroke-dashoffset:0}}@media (width<=760px){.concept-diagram{padding:1rem}.concept-viewport{display:none}.mobile-concept-viewport{aspect-ratio:auto;overscroll-behavior:contain;max-height:42dvh;display:block;overflow:auto}.mobile-concept-canvas{position:relative}.mobile-concept-node{flex-direction:column;align-items:flex-start;gap:3px;width:144px;height:112px;padding:12px;display:flex}.mobile-concept-node .semantic-icon{float:none;margin:0}.mobile-concept-node strong{margin:0;font-size:13px;line-height:1.3}.concept-mobile{display:none}.concept-diagram figcaption{min-height:0}}@media print{.concept-viewport,.concept-controls{display:none}.concept-mobile{flex-wrap:wrap;display:flex}}.concept-node{cursor:grab;touch-action:none}.concept-node:active{cursor:grabbing}.concept-relations{margin-top:1rem;font-size:.85rem}.concept-relations h3{font-size:.85rem}.concept-relations ul{grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:.5rem 1.5rem;padding:0;list-style:none;display:grid}.concept-relations li{background:var(--surface);border-radius:8px;margin:0;padding:.65rem .8rem}.concept-node>span:last-child{-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.graph-hint{margin-bottom:.4rem;font-size:.75rem}.concept-node{user-select:none;-webkit-user-drag:none}.graph-connected{outline:2px solid var(--accent);outline-offset:3px}.graph-dragging{cursor:grabbing;z-index:2}.concept-edges .edge-dimmed{opacity:.12}.concept-edges g.concept-emphasis path{stroke-width:3px;opacity:1}.concept-diagram figcaption strong{font-size:.85rem}.concept-diagram figcaption p{font-size:.75rem;line-height:1.6}@media (width<=760px){.concept-diagram{padding:.75rem}.mobile-concept-viewport{max-height:55svh}.concept-heading{margin-bottom:.35rem;font-size:.75rem}.mobile-concept-node{padding:10px}.mobile-concept-node .semantic-icon{width:18px;height:18px}.mobile-concept-node>span:last-child{-webkit-line-clamp:3;padding-top:2px;font-size:11px}.concept-relations{margin-top:.5rem;font-size:.75rem}.concept-controls{gap:.25rem;margin-top:.5rem}.graph-hint{font-size:.7rem}}