.research-tree{margin-top:24px;overflow-anchor:none}.category-economy{--branch:#caa76a}.category-engineering{--branch:#7dbaca}.category-logistics{--branch:#83bca9}.category-military{--branch:#d18d76}
.tree-category-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:20px 0}.tree-tab,.tree-lane-tabs button{display:flex;align-items:center;justify-content:center;gap:10px;min-height:56px;padding:12px;background:#101b24;border:1px solid #3a4750;color:#c8d1d8;font:inherit;cursor:pointer}.tree-tab img{width:26px;height:26px}.tree-tab[aria-selected=true]{border-color:var(--branch);color:#f0ece4;background:#1d2b34}.research-tree button:focus-visible{outline:2px solid #f4d99f;outline-offset:4px}.tree-legend{font-size:12px;color:#a7b3be;line-height:20px;margin:0 0 28px}.tree-category[hidden],.tree-detail[hidden]{display:none}.tree-origin{display:flex;align-items:center;justify-content:center;gap:12px;width:fit-content;min-width:180px;max-width:100%;margin:0 auto 36px;padding:14px 24px;border:1px solid var(--branch);background:#12202b;color:#e8e9e5;font-size:20px;position:relative}.tree-origin img{width:28px;height:28px}.tree-origin:after{content:"";position:absolute;top:100%;height:26px;border-left:1px solid #56616b66}.tree-lane-tabs{display:none}.tree-lanes{display:grid;column-gap:32px;row-gap:32px;align-items:start}.tree-lanes.columns-2{grid-template-columns:repeat(2,minmax(0,1fr))}.tree-lanes.columns-3{grid-template-columns:repeat(3,minmax(0,1fr))}.tree-lanes.rows-4{grid-template-rows:auto repeat(4,auto)}.tree-lanes.rows-2{grid-template-rows:auto repeat(2,auto)}.tree-lane{position:relative;min-width:0;display:grid;grid-template-rows:subgrid;align-items:start;grid-row:1/-1;padding-left:24px}.tree-lane h3{font-size:15px;line-height:22px;color:var(--branch);margin:0;text-align:center;min-height:44px;display:grid;align-items:center}.tree-lane:before{content:"";position:absolute;left:12px;top:72px;bottom:55px;border-left:1px solid #72839240;pointer-events:none}.tree-slot{position:relative;min-width:0}.tree-node{position:relative;z-index:1;display:flex;align-items:center;gap:14px;width:100%;min-height:132px;padding:16px 18px;text-align:left;background:#14212b;border:1px solid #53616c;border-top:2px solid var(--branch);color:#e6eaf0;font:inherit;cursor:pointer;clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,10px 100%,0 calc(100% - 10px));transition:background .16s}.tree-node:hover,.tree-node[aria-expanded=true]{background:#20313d}.tree-node:focus-visible{outline-offset:-5px!important}.tree-node.phase-closed{border-style:dashed;background:#141d25}.tree-icon{display:grid;place-items:center;flex:0 0 42px;height:42px;background:#09131b;border:1px solid #354955}.tree-icon img{width:32px;height:32px}.tree-node-copy{min-width:0;display:block}.tree-node strong{display:block;font-size:17px;line-height:22px;overflow-wrap:break-word}.tree-status{display:block;font-size:12px;line-height:18px;color:#c6cbd0;margin:7px 0 0}.tree-requires{display:block;font-size:11px;line-height:16px;color:var(--branch);margin-top:7px}.tree-detail{position:relative;z-index:1;border:1px solid #394854;border-top:0;background:#0e1922;padding:16px 18px}.tree-detail h4{font-size:16px;line-height:22px;margin:0 0 8px}.tree-description{font-size:14px;line-height:21px;margin:0 0 10px;color:#d2d9df}.tree-context{font-size:11px;line-height:17px;color:#a7b8c4;margin:0}.tree-edges{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible;color:var(--branch);z-index:0}.tree-edges path[data-edge]{fill:none;stroke:var(--branch);stroke-width:1.5;stroke-linejoin:round}.tree-stage{padding-bottom:20px}
@media(max-width:1000px) and (min-width:601px){.tree-lanes{column-gap:16px}.tree-node{padding:12px 10px;gap:8px;min-height:160px}.tree-node strong{font-size:15px;line-height:20px}.tree-icon{flex-basis:32px;width:32px;height:36px}.tree-icon img{width:26px;height:26px}.tree-detail{padding:12px 10px}.tree-description{font-size:12px;line-height:18px}}
@media(max-width:600px){.tree-category-tabs{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.tree-tab{min-height:56px;padding:10px;font-size:14px}.tree-tab img{width:22px;height:22px}.tree-origin{font-size:18px;margin-bottom:20px}.tree-origin:after{display:none}.tree-lane-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}.tree-lane-tabs button{flex:1 1 110px;font-size:13px;line-height:18px;padding:10px;min-height:48px}.tree-lane-tabs button[aria-selected=true]{border-color:var(--branch);background:#23303a;color:#f1ece4}.tree-lanes.columns-2,.tree-lanes.columns-3{display:block}.tree-lane{display:none;padding-left:24px}.tree-lane.is-selected{display:grid;grid-template-rows:none;gap:32px}.tree-lane h3{min-height:0}.tree-lane:before{top:54px}.tree-node{min-height:144px;padding:14px 12px;gap:10px}.tree-node strong{font-size:16px}.tree-detail{padding:14px 12px}.tree-description{font-size:13px;line-height:20px}}
@media(prefers-reduced-motion:reduce){.research-tree *{animation:none!important;transition:none!important}}