.concept-door{margin:0 24px 20px;padding:14px 0 20px;border-bottom:1px solid var(--line);color:var(--ink)}.concept-door[hidden]{display:none}.concept-door__map{position:relative;height:150px;margin:0 0 10px}.concept-door__map>svg{position:absolute;inset:0;width:100%;height:100%;fill:none;stroke:var(--accent);stroke-width:1}.concept-door__map h3{position:relative;width:max-content;max-width:100%;margin:0 auto;padding:12px 18px;background:var(--panel);color:var(--ink);font:600 27px/1.4 "Research Display","Songti SC",serif;text-align:center}.concept-door__map>div{position:absolute;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.concept-door__map button{min-height:44px;border:1px solid var(--line);background:var(--panel);color:var(--ink);padding:8px 5px;font-size:13px;line-height:1.3}.concept-door__map button:hover{background:var(--field);border-color:var(--accent)}.concept-door p{font-size:14px;line-height:1.65;margin:14px 0;color:var(--muted)}.concept-door__works{display:grid;gap:0}.concept-door__works a{display:block;color:var(--ink);font-size:13px;line-height:1.55;padding:10px 0;text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--line)}.concept-door__works a:hover{color:var(--accent);text-decoration-color:currentColor}.concept-door small{display:block;color:var(--muted);font-size:11px;line-height:1.6;margin-top:14px}
.research-search:has(.concept-door:not([hidden])){overflow-y:auto}.research-search:has(.concept-door:not([hidden]))>*{flex-shrink:0}.research-search:has(.concept-door:not([hidden])) .research-search__results{max-height:26dvh}.research-search:has(.concept-door:not([hidden])) .research-search__header{position:sticky;top:0;background:var(--panel);z-index:2}
.research-search:has(.concept-door:not([hidden])):has(.research-search__results[hidden]) .research-search__footer{display:none}
@media(max-width:600px){.concept-door{margin:0 16px 12px}.concept-door__map h3{font-size:23px}.concept-door__map button{font-size:12px;overflow-wrap:anywhere}.concept-door__map{height:145px}.concept-door p{font-size:13px}}
@media(prefers-reduced-motion:no-preference){html:not([data-motion=off]):not([data-focus=on]) .concept-door:not([hidden]) .concept-door__map>svg path{stroke-dasharray:450;animation:concept-thread .65s cubic-bezier(.16,1,.3,1) both}@keyframes concept-thread{from{stroke-dashoffset:450}to{stroke-dashoffset:0}}}
.concept-door__play{display:flex;align-items:center;gap:16px;min-height:44px;font-size:13px;color:var(--accent)}.concept-door__play[hidden]{display:none}