/* Research spine extends the existing instrument palette and typography. */
.system-band{display:flex;align-items:stretch;justify-content:space-between;border-bottom:1px solid var(--line);background:var(--bg-deep);padding:0 30px;gap:20px}.system-band nav{display:flex;gap:32px}.system-band nav>button{text-align:left;padding:17px 0 14px;border-bottom:2px solid transparent;color:var(--muted)}.system-band nav>button.active{color:var(--gold);border-color:var(--gold)}.system-band strong{display:block;font:14px var(--mono);letter-spacing:.12em}.system-band nav span{display:block;font-size:12px;margin-top:6px}.system-context{display:flex;align-items:center;gap:18px}.system-context>div{display:flex;gap:8px}.spine-label{font:12px var(--mono);letter-spacing:.08em;line-height:1.65;color:var(--muted)}.spine-button{display:inline-flex;align-items:center;justify-content:flex-start;gap:10px;padding:9px 12px;border:1px solid var(--line);font-size:14px;line-height:1.4;text-align:left;cursor:pointer}.spine-button.selected,.spine-button:hover{border-color:var(--gold);color:var(--gold)}.spine-button.common{color:var(--gold)}.spine-button small{font-size:12px;color:var(--muted)}.spine-button.gold-btn{color:var(--gold);border-color:#645c44}.spine-actions{display:flex;gap:8px;flex-wrap:wrap}.spine-controls{padding:15px 30px;display:flex;gap:20px;align-items:flex-end;flex-wrap:wrap;border-bottom:1px solid var(--line)}.spine-control{display:flex;flex-direction:column;gap:7px;min-width:100px;max-width:240px;font-size:14px}.spine-control>span{font:12px var(--mono);color:var(--muted)}.spine-control select,.spine-control input{font-size:14px;width:100%;border:0;border-bottom:1px solid var(--line);background:var(--bg);color:var(--ink);padding:6px 19px 6px 0}.spine-main-layout{display:grid;grid-template-columns:minmax(0,1fr)}.spine-main-layout.with-evidence{grid-template-columns:minmax(0,1fr) minmax(330px,29%)}.spine-instrument{padding:28px 30px 38px;min-width:0}.spine-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:22px;margin-bottom:20px}.spine-heading h1{font-size:26px;line-height:1.2;font-weight:500;letter-spacing:-.5px;margin:9px 0}.spine-heading p{font-size:14px;color:var(--muted);margin:0;line-height:1.65}.spine-heading .spine-actions{justify-content:flex-end}.spine-instrument h2{font-size:22px;font-weight:500;line-height:1.35}.spine-instrument p,.spine-raw-drawer p,.spine-import p{font-size:16px;line-height:1.65;color:var(--muted)}.spine-small,.spine-instrument .spine-small,.spine-raw-drawer .spine-small,.spine-import .spine-small{font-size:14px;line-height:1.65;color:var(--muted)}.spine-universe{display:grid;grid-template-columns:minmax(0,1fr) 245px;align-items:center}.spine-graph-wrap{min-width:0}.spine-graph{width:100%;display:block;min-height:380px;max-height:650px;overflow:visible}.spine-orbit{fill:none;stroke:var(--line);stroke-width:.6;stroke-dasharray:2 9}.spine-line{stroke:var(--gold);opacity:.55;fill:none}.spine-line.divergent{stroke:var(--violet)}.spine-line.evidence{stroke:var(--cyan)}.spine-line.planned{stroke:var(--line);stroke-dasharray:3 6}.spine-line.grid{stroke:var(--line);opacity:1}.spine-node{cursor:pointer;outline:none}.spine-node .node-hit{fill:transparent;stroke:transparent}.spine-node .node-dot{fill:var(--gold);stroke:var(--bg);stroke-width:3}.spine-node.divergent .node-dot{fill:var(--violet)}.spine-node.evidence .node-dot{fill:var(--cyan)}.spine-node.planned .node-dot{fill:var(--bg);stroke:var(--dim);stroke-width:1}.spine-node text{fill:var(--ink);font:16px var(--sans);paint-order:stroke;stroke:var(--bg);stroke-width:4px;stroke-linejoin:round}.spine-node .node-sub,.spine-graph .node-sub,.spine-timeline .node-sub{fill:var(--muted);font:12px var(--mono)}.spine-node.core .node-dot{fill:var(--bg);stroke:var(--gold);stroke-width:1.5}.spine-node.core text{font-size:23px;fill:var(--gold)}.spine-node.core .node-sub{font-size:12px;fill:var(--muted)}.spine-node:focus-visible .node-hit,.spine-node:hover .node-hit{stroke:var(--gold);stroke-width:1}.spine-node:hover text{fill:var(--gold)}.spine-center-label{font-size:38px;font-weight:500;fill:var(--gold);letter-spacing:3px}.spine-caption{display:flex;gap:16px;align-items:flex-start;line-height:1.6;color:var(--muted);font-size:12px;margin:15px 0}.spine-instrument p.spine-caption{font-size:13px}.spine-caption .spine-label{flex-shrink:0}.spine-universe-note{border-left:1px solid var(--line);padding:20px 0 20px 25px}.spine-universe-note h2{font-weight:400;line-height:1.8}.spine-universe-note .spine-button{border:0;padding-left:0;display:flex}.spine-rule{height:1px;background:var(--line);margin:24px 0}.spine-category-index{border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr)}.spine-category-index button{border-bottom:1px solid var(--line);padding:18px 16px 18px 0;text-align:left}.spine-category-index button span{display:block;font-size:14px}.spine-category-index button span+span{color:var(--muted);font:12px var(--mono);margin-top:8px}.spine-category-index button.selected{color:var(--gold)}.spine-empty{padding:50px 15px 65px;max-width:620px;margin:auto}.spine-empty h2{font-size:27px;margin:16px 0}.spine-empty p{margin-bottom:25px}.spine-object-layout{display:grid;grid-template-columns:minmax(0,1fr);align-items:start}.spine-object-layout:has(.spine-context){grid-template-columns:minmax(0,1fr) 245px}.spine-context{border-left:1px solid var(--line);padding-left:22px;margin-top:25px;max-height:720px;overflow:auto}.spine-context .spine-button{display:flex;width:100%;justify-content:space-between;border:0;border-bottom:1px solid var(--line);padding-left:0}.spine-trace{display:flex;flex-wrap:wrap;align-items:center;gap:5px;min-height:35px}.spine-trace>.spine-button{border:0;font-size:14px;color:var(--gold);padding:6px}.spine-trace>span{color:var(--dim)}.spine-evidence-list>button{display:block;text-align:left;width:100%;padding:13px 0;border-bottom:1px solid var(--line)}.spine-evidence-list>button span{display:flex;justify-content:space-between;font-size:14px;gap:12px}.spine-evidence-list>button b{font:12px var(--mono);color:var(--cyan)}.spine-evidence-list small{display:block;font:12px var(--mono);color:var(--muted);margin-top:6px;line-height:1.6}.spine-characterization{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding:24px 0}.spine-characterization section{border-top:1px solid var(--line);padding-top:20px}.spine-characterization button{display:flex;gap:14px;justify-content:space-between;text-align:left;width:100%;padding:16px 0;font-size:16px;border-bottom:1px solid var(--line)}.spine-characterization button span+span{color:var(--muted);font-size:12px;flex-shrink:0}.spine-table-scroll{overflow-x:auto}.spine-table{border-collapse:collapse;width:100%;font-size:14px;line-height:1.6;text-align:left}.spine-table caption{text-align:left;color:var(--muted);padding:20px 0;font-family:var(--mono);font-size:12px}.spine-table th,.spine-table td{padding:14px 15px;border-bottom:1px solid var(--line);font-weight:400}.spine-table thead th{color:var(--muted);font-size:12px}.spine-table th:first-child{padding-left:0}.spine-table .spine-button{border:0;padding:4px 0}.spine-table td:last-child{color:var(--muted)}.spine-meter{height:2px;background:var(--line);min-width:60px;margin-top:6px}.spine-meter i{display:block;height:2px;background:var(--gold)}.spine-inline-controls{display:flex;align-items:end;gap:24px;flex-wrap:wrap;padding:15px 0;margin-bottom:15px}.spine-inline-controls .spine-control{max-width:400px}.spine-prompt{padding:21px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:20px 0}.spine-prompt>p{margin:8px 0 0;font-size:18px;color:var(--ink)}.spine-alignment{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:26px 0}.spine-alignment>div{display:flex;align-items:flex-start;flex-wrap:wrap;gap:7px}.spine-alignment .spine-label{flex-basis:100%}.spine-alignment .spine-button{border:0;border-bottom:1px solid var(--line);padding:5px 0;color:var(--violet)}.spine-alignment>div:first-child .spine-button{color:var(--gold)}.spine-bench-scroll{overflow-x:auto}.spine-bench{display:grid;grid-template-columns:repeat(var(--bench-columns,4),minmax(220px,1fr));min-width:940px}.spine-bench>section{padding:0 22px;border-left:1px solid var(--line)}.spine-bench>section:first-child{border-left:0;padding-left:0}.spine-bench h2{font-size:20px;margin-top:8px}.spine-raw{font-size:16px;line-height:1.85;white-space:pre-wrap;overflow-wrap:anywhere;margin:15px 0 23px}.spine-raw mark{color:var(--gold);background:#d8c38d18;border-bottom:1px solid #d8c38d70;padding:1px 0}.spine-choice{border-top:1px solid var(--line);padding-top:16px;font-size:14px!important}.spine-choice strong{display:block;color:var(--gold);font-size:21px;font-weight:400;margin-top:5px}.spine-raw-drawer{border-left:1px solid var(--line);padding:24px;position:sticky;top:0;align-self:start;max-height:100svh;overflow:auto;background:var(--bg-deep);scrollbar-width:thin}.spine-drawer-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.spine-drawer-head .spine-button{border:0}.spine-raw-drawer h2{font-size:23px;font-weight:400}.spine-raw-drawer h2 span{font:14px var(--mono);color:var(--muted)}.spine-provenance{display:grid;grid-template-columns:105px 1fr;gap:10px;font-size:12px;line-height:1.65}.spine-provenance dt{color:var(--muted)}.spine-provenance dd{margin:0;overflow-wrap:anywhere}.spine-annotations button{display:block;text-align:left;border-bottom:1px solid var(--line);width:100%;padding:12px 0}.spine-annotations button span{display:block;font-size:16px;color:var(--gold)}.spine-annotations button small{display:block;font:12px/1.65 var(--mono);color:var(--muted);margin-top:5px}.spine-citation{padding:16px 0;border-bottom:1px solid var(--line)}.spine-citation strong,.spine-citation a{font-size:14px;color:var(--cyan);font-weight:400}.spine-citation p{font-size:12px;margin:7px 0;overflow-wrap:anywhere}.spine-raw-drawer details{margin:20px 0}.spine-raw-drawer summary{font-size:14px;cursor:pointer}.spine-raw-drawer pre{white-space:pre-wrap;overflow-wrap:anywhere;font:12px/1.6 var(--mono)}.spine-timeline{width:100%;max-height:420px;min-height:250px;margin-top:25px;overflow:visible}.spine-event-line{stroke:var(--violet);stroke-width:1;stroke-dasharray:4 6;opacity:.65}.spine-event-strip{display:flex;gap:12px;align-items:center;flex-wrap:wrap;padding:14px 0;border-block:1px solid var(--line)}.spine-event-context{padding:18px 24px;border-left:2px solid var(--violet);background:var(--bg-deep);margin:20px 0}.spine-event-context h3{font-size:20px;font-weight:400}.spine-section-head{display:flex;justify-content:space-between;align-items:center;margin:30px 0 10px;gap:20px}.spine-pairs{display:grid;grid-template-columns:repeat(3,1fr);gap:0 24px;max-height:370px;overflow:auto}.spine-pairs>div{display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding:12px 0;border-bottom:1px solid var(--line)}.spine-pairs>div>span{width:100%;font-size:14px}.spine-pairs .spine-button{font-size:12px;padding:5px}.spine-signals{display:grid;grid-template-columns:minmax(250px,30%) minmax(0,1fr);gap:40px}.spine-signal-index{max-height:950px;overflow:auto;scrollbar-width:thin}.spine-signal-index>button{display:block;text-align:left;width:100%;border-bottom:1px solid var(--line);padding:21px 15px 21px 0}.spine-signal-index>button>*{display:block}.spine-signal-index span{font-size:12px;color:var(--muted);line-height:1.65}.spine-signal-index strong{font-size:18px;font-weight:400;margin:7px 0}.spine-signal-index button.selected{color:var(--gold);border-color:var(--gold)}.spine-signal-detail{min-width:0}.spine-signal-detail h2{font-size:32px;line-height:1.45}.spine-change{display:flex;gap:30px;align-items:center;margin:30px 0}.spine-change>span{font:48px var(--mono);color:var(--gold)}.spine-change small{display:block;font:12px var(--mono);color:var(--muted);margin-top:14px}.spine-change>.spine-small{font-size:14px;line-height:1.65;color:var(--muted)}.spine-paired-evidence{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin:30px 0;max-height:330px;overflow:auto}.spine-interpretation{border-top:1px solid var(--line);padding-top:24px}.spine-interpretation label{display:block;font-size:14px;margin:20px 0}.spine-interpretation textarea{display:block;resize:vertical;width:100%;border:1px solid var(--line);background:var(--bg-deep);color:var(--ink);padding:13px;font:16px/1.65 var(--sans);margin-top:9px}.spine-journey-scroll{overflow-x:auto}.spine-journey{display:grid;grid-template-columns:repeat(6,minmax(165px,1fr));min-width:1000px;padding:30px 0}.spine-journey>button{text-align:left;padding:10px 22px;border-left:1px solid var(--line);position:relative}.spine-journey>button:first-child{border-left:0;padding-left:0}.spine-journey>button.selected{background:var(--bg-deep)}.spine-journey h2{font-size:18px}.spine-journey p{font-size:14px;min-height:50px}.spine-journey strong{display:block;font:23px var(--mono);color:var(--gold);margin:24px 0 12px}.spine-journey small{display:block;font-size:12px;line-height:1.65;color:var(--muted);margin-top:20px}.journey-thread{height:85px;display:flex;align-items:center;position:relative}.journey-thread:after{content:'';height:1px;position:absolute;left:0;right:-23px;top:50%;background:var(--gold);opacity:.4}.journey-thread i{width:100%;background:#d8c38d15;border-block:1px solid #d8c38d66}.spine-theory{display:grid;grid-template-columns:repeat(3,1fr);gap:35px;padding:25px 0;border-block:1px solid var(--line)}.spine-method{display:grid;grid-template-columns:1fr 1fr;gap:25px 60px}.spine-method section{border-top:1px solid var(--line);padding-top:15px}.spine-method dl{display:grid;grid-template-columns:110px 1fr;gap:20px;line-height:1.65}.spine-method dt{font-size:14px;color:var(--gold)}.spine-method dd{margin:0;font-size:16px;color:var(--muted)}.spine-human-layer{margin-top:35px;border-top:1px solid var(--line);padding-top:25px;max-width:950px}.spine-import{padding:25px 30px 35px;border-bottom:1px solid var(--cyan);background:var(--bg-deep)}.spine-import p{max-width:850px}.spine-import h2{font-size:28px;font-weight:400}.spine-import input[type=file]{display:block;font-size:12px;max-width:225px}.spine-import-review{margin-top:25px;border-top:1px solid var(--line)}.spine-error{color:var(--violet)!important}.spine-notice{padding:15px 30px;border-bottom:1px solid var(--line);font-size:14px;color:var(--gold);display:flex;justify-content:space-between;align-items:center;gap:25px}.spine-notice .spine-button{border:0;flex-shrink:0}.spine-app .mode-nav{gap:9px}.spine-app .mode-nav button{font-size:12px;letter-spacing:0}.spine-app .mode-nav .index{display:none}.spine-app .head-actions{display:none}.spine-app .topbar{gap:24px}.spine-app .spine-graph .spine-line{animation:spine-edge-in .75s both}.spine-app .spine-node .node-dot{animation:spine-dot-in .8s both}@keyframes spine-edge-in{from{opacity:0;stroke-dasharray:1 1000}to{opacity:.55}}@keyframes spine-dot-in{from{opacity:0}to{opacity:1}}
@media(min-width:1650px){.spine-app .mode-nav button{font-size:14px}.spine-app .mode-nav{gap:20px}.spine-instrument{padding-inline:40px}}
@media(max-width:1200px){.spine-main-layout.with-evidence{grid-template-columns:minmax(0,1fr) 335px}.spine-main-layout.with-evidence .spine-object-layout:has(.spine-context){grid-template-columns:1fr}.spine-main-layout.with-evidence .spine-context{max-height:280px;border-left:0;border-top:1px solid var(--line);padding:20px 0}.spine-main-layout.with-evidence .spine-heading{display:block}.spine-main-layout.with-evidence .spine-heading .spine-actions{justify-content:flex-start;margin-top:16px}.spine-main-layout.with-evidence .spine-signals{grid-template-columns:1fr}.spine-main-layout.with-evidence .spine-signal-index{max-height:250px}.spine-app .topbar{flex-wrap:wrap;height:auto;padding-top:20px}.spine-app .mode-nav{width:100%;margin:0;min-height:50px;justify-content:space-between;gap:9px}.spine-app .mode-nav button{font-size:14px}.spine-characterization{grid-template-columns:repeat(2,1fr)}.system-context{flex-wrap:wrap;justify-content:flex-end;padding:10px 0;gap:6px}.spine-controls{gap:15px}.spine-pairs{grid-template-columns:1fr 1fr}}
@media(max-width:900px){.spine-universe{grid-template-columns:1fr}.spine-universe-note{display:flex;gap:20px;flex-wrap:wrap;border-left:0;border-top:1px solid var(--line);padding:20px 0}.spine-universe-note h2{font-size:18px;margin:0}.spine-universe-note>p{max-width:260px;margin:0}.spine-universe-note .spine-rule{display:none}.spine-universe-note>.spine-label{flex-basis:100%}.spine-category-index{grid-template-columns:repeat(3,1fr)}.spine-object-layout:has(.spine-context){grid-template-columns:1fr}.spine-context{border-left:0;padding:20px 0;border-top:1px solid var(--line);max-height:250px}.system-band{flex-wrap:wrap;gap:0}.system-context{width:100%;justify-content:space-between}.spine-heading{flex-direction:column}.spine-heading .spine-actions{justify-content:flex-start}.spine-theory{grid-template-columns:1fr;gap:12px}.spine-app .mode-nav{overflow-x:auto;justify-content:flex-start}.spine-app .mode-nav button{white-space:nowrap;padding:14px 10px}.spine-main-layout.with-evidence{grid-template-columns:1fr}.spine-raw-drawer{position:fixed;inset:auto 0 0;max-height:70svh;z-index:30;border-top:1px solid var(--cyan);border-left:0;box-shadow:0 -30px 80px #081318c0}.spine-method{grid-template-columns:1fr}}
@media(max-width:600px){.spine-instrument{padding:22px 18px}.spine-controls,.system-band,.spine-import{padding-inline:18px}.system-band nav{gap:22px}.system-band nav>button span{max-width:170px;line-height:1.65}.spine-controls .spine-control{min-width:calc(50% - 10px);flex:1}.spine-graph{min-height:300px;max-height:480px}.spine-graph .spine-node text{font-size:18px}.spine-graph .spine-node .node-sub{font-size:13px}.spine-category-index{grid-template-columns:1fr 1fr}.spine-caption{flex-direction:column;gap:6px}.spine-signals{grid-template-columns:1fr;gap:25px}.spine-signal-index{max-height:260px}.spine-signal-detail h2{font-size:27px}.spine-change{gap:20px}.spine-change>span{font-size:35px}.spine-alignment{grid-template-columns:1fr;gap:12px}.spine-pairs{grid-template-columns:1fr}.spine-method dl{grid-template-columns:90px 1fr;gap:14px}.spine-timeline{min-height:220px}.spine-inline-controls{gap:15px}.spine-inline-controls .spine-control{max-width:45%}.spine-characterization{grid-template-columns:1fr}.spine-paired-evidence{gap:15px}.spine-section-head{flex-direction:column;align-items:flex-start}.system-context>div{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){.spine-app *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

@media(max-width:600px){.spine-graph-wrap{overflow-x:auto;scrollbar-width:thin}.spine-graph{min-width:910px;max-height:none}.spine-graph-wrap .spine-caption,.spine-trace{position:sticky;left:0;max-width:calc(100vw - 36px)}.spine-timeline{min-width:750px}.spine-instrument:has(.spine-timeline){overflow-x:auto}}

.spine-reported-model{font:14px/1.6 var(--mono);color:var(--ink);margin:12px 0}.spine-provenance dd{overflow-wrap:anywhere}.spine-annotations small{line-height:1.6}.spine-journey strong{font-size:20px}

.spine-option-set{border-block:1px solid var(--line);padding:18px 0;margin:20px 0}.spine-option-list{display:flex;flex-wrap:wrap;gap:6px}.spine-option-list .spine-button{font-size:14px;padding:7px 9px}.spine-option-list .common{border-color:var(--gold);color:var(--gold)}.spine-role{font-size:14px;line-height:1.6}.spine-option-summary{border-block:1px solid var(--line);padding:18px 0;margin:18px 0}.spine-option-summary p{margin-bottom:0}

/* The same spatial objects and curved evidence paths used in the Laboratory. */
.observed-spatial{background:var(--bg-deep);overflow:hidden;border-top:1px solid var(--line)}
.observed-spatial .spatial-svg{position:static;display:block;width:100%;height:auto;min-height:440px}
.observed-spatial .object-label{font-size:18px}.observed-spatial .object-meta{font-size:14px}
.api-reading-mode{flex-wrap:wrap}.api-settings dd{overflow-wrap:anywhere}
@media(max-width:760px){.observed-spatial .spatial-svg{min-height:0}.observed-spatial .object-label{font-size:23px}.observed-spatial .object-meta{font-size:19px}}