:root{color-scheme:light;--ink:#263e4c;--muted:#5d707a;--line:#dbe1e3;--paper:#fafaf8;--red:#de675d;--yellow:#e6b24b;--green:#4eaa88;--blue:#758dc5;--purple:#a582bc;--teal:#4f9eae}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:15px}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}a{color:inherit;text-underline-offset:4px}header{max-width:1500px;margin:auto;padding:25px 44px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:16px}.wordmark{text-decoration:none;display:flex;align-items:center;font-weight:600;letter-spacing:-.4px}.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--green);margin:0 10px 0 3px}.snapshot{font-size:12px;color:var(--muted)}main{max-width:1500px;margin:auto;padding:0 44px}.intro{padding:40px 0 26px}.eyebrow{font-size:11px;letter-spacing:1.5px;color:var(--muted)}h1{font-family:Georgia,serif;font-size:clamp(38px,4.5vw,62px);font-weight:400;letter-spacing:-2px;margin:12px 0 13px}.intro p{line-height:1.65;color:var(--muted);margin:0}.intro strong{color:var(--ink);font-weight:500}.explorer{display:grid;grid-template-columns:minmax(0,1fr) 250px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);gap:26px}.graph-column{min-width:0}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 0;font-size:12px;color:var(--muted)}.live-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green);margin-right:6px}.zoom-tools{display:flex;gap:4px}.zoom-tools button{background:transparent;border:1px solid var(--line);border-radius:5px;min-width:32px;padding:6px 9px;color:var(--ink);font-size:12px}.zoom-tools button:hover{background:#eaf0ee}#stage{position:relative;height:clamp(510px,65vw,770px)}#network{width:100%;height:100%;display:block;touch-action:none;cursor:grab}#network:active{cursor:grabbing}.edge{stroke:#cbd1d5;stroke-width:1;opacity:.65}.edge.cross{stroke:#95a4ae;stroke-width:1.3}.edge.active{stroke:var(--ink);stroke-width:2;opacity:.85}.node{cursor:pointer;outline:none}.node circle.mark{transition:opacity .15s,stroke-width .15s;stroke:var(--paper);stroke-width:2}.node text{fill:#10212a;font-size:13px;pointer-events:none;user-select:none}.node:focus circle.mark,.node:hover circle.mark,.node.selected circle.mark{stroke:var(--ink);stroke-width:3.5}.node .hit{fill:transparent;stroke:none}.node.dim circle.mark{opacity:.3}.node.dim text{opacity:1}.graph-footer{display:flex;justify-content:space-between;gap:10px;padding:14px 0;color:var(--muted);font-size:11px}aside{border-left:1px solid var(--line);padding:25px 0 25px 25px}aside h2{font-size:11px;text-transform:uppercase;letter-spacing:1px;font-weight:600;margin:0 0 20px}.legend-row{display:flex;gap:12px;align-items:center;margin:0 0 19px;font-size:13px;line-height:1.4}.swatch{width:13px;height:13px;flex-shrink:0;border-radius:50%}.size-key{margin:36px 0 24px}.size-samples{display:flex;gap:27px;height:83px;align-items:flex-end}.size-samples>div{display:flex;align-items:center;flex-direction:column;gap:9px;font-size:12px}.size-samples i{background:#c6ced4;border-radius:50%;display:block}.size-key p{font-size:12px;color:var(--muted);line-height:1.6;margin-top:18px}.original-key{display:flex;gap:10px;align-items:center;border-top:1px solid var(--line);padding:16px 0}.original-key>span{width:15px;height:15px;border-radius:50%;background:var(--ink);flex-shrink:0}.original-key p{font-size:12px;color:var(--muted);line-height:1.5}.download{font-size:12px}#popup{position:absolute;width:min(360px,calc(100% - 20px));background:#fff;border:1px solid #d6dfe0;border-radius:12px;padding:24px;box-shadow:0 15px 55px #263e4c24;z-index:5;max-height:calc(100% - 20px);overflow:auto}.close{position:absolute;right:9px;top:8px;border:0;background:transparent;color:var(--muted);font-size:25px;width:32px;height:32px}.popup-kicker{font-size:10px;text-transform:uppercase;letter-spacing:.8px;padding-right:12px;color:var(--muted);line-height:1.5}#popup h2{font-size:18px;line-height:1.35;letter-spacing:-.3px;margin:12px 0}.paper-meta,.authors{color:var(--muted);font-size:12px;line-height:1.6}.authors{margin-top:8px}.paper-numbers{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);margin:16px 0;padding-top:15px;gap:12px}.paper-numbers>div{display:flex;gap:8px;align-items:baseline}.paper-numbers strong{font-size:27px;font-weight:500}.paper-numbers span{font-size:11px;color:var(--muted)}.read-paper{display:flex;justify-content:space-between;align-items:center;background:var(--ink);color:#fff;border-radius:6px;padding:12px 15px;font-size:13px;text-decoration:none}.read-paper:hover{background:#3c5868}.basis{font-size:10px;color:var(--muted);line-height:1.5}#abstract-details{font-size:12px;line-height:1.6;margin-bottom:12px}summary{cursor:pointer}#preview{position:absolute;max-width:270px;padding:9px 12px;border-radius:6px;background:var(--ink);color:white;font-size:12px;line-height:1.4;pointer-events:none;z-index:4}.all-papers{padding:22px 0;border-bottom:1px solid var(--line);font-size:13px}#paper-list{display:grid;grid-template-columns:1fr 1fr;gap:0 26px;padding-top:15px}.list-paper{display:block;padding:15px 0;border-bottom:1px solid var(--line);line-height:1.5;text-decoration:none}.list-paper small{display:block;color:var(--muted);margin-top:4px}footer{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding:30px 0 40px;font-size:12px;line-height:1.7;color:var(--muted)}footer strong{color:var(--ink);font-weight:500}footer p{margin:8px 0}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid #347c83;outline-offset:4px}[hidden]{display:none!important}@media(max-width:850px){header,main{padding-left:22px;padding-right:22px}.explorer{grid-template-columns:1fr;gap:0}aside{border-left:0;border-top:1px solid var(--line);padding:22px 0;display:grid;grid-template-columns:1fr 1fr;gap:0 25px}aside>h2{grid-column:1/-1}#legend{grid-row:2/5}.size-key{margin:0 0 15px}.original-key{padding:5px 0}.download{align-self:end}.snapshot{font-size:10px}#stage{height:600px}footer{gap:25px}}@media(max-width:480px){header,main{padding-left:16px;padding-right:16px}.snapshot{max-width:100px;text-align:right;line-height:1.5}.intro{padding-top:28px}.toolbar{align-items:flex-start}.toolbar>span{max-width:150px;line-height:1.5}#stage{height:500px}.graph-footer{flex-direction:column}.zoom-tools button{min-height:36px}.legend-row{font-size:12px;gap:8px}aside{gap:0 15px}.size-samples{gap:16px}.size-key p{font-size:11px}#paper-list,footer{grid-template-columns:1fr}footer{gap:20px}.close{width:36px;height:36px}}

.layer-controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:0 0 13px;font-size:12px;border-bottom:1px solid var(--line)}.layer-controls label{display:flex;align-items:center;gap:7px;cursor:pointer}.layer-controls input{accent-color:var(--ink);width:16px;height:16px}.layer-controls>span{color:var(--muted)}.layer-controls button{border:0;background:transparent;color:var(--ink);text-decoration:underline;font-size:12px;padding:5px}.layer-key{font-size:11px;line-height:1.6;color:var(--muted);border-top:1px solid var(--line);padding-top:15px}.node .layer-ring{stroke:#526773;stroke-width:1.4;stroke-dasharray:3 3;fill:none;pointer-events:none}.node.dim .layer-ring{opacity:.3}.citer-action{width:100%;text-align:left;padding:12px;border:1px solid #b8c9ca;background:#f1f6f4;border-radius:6px;font-size:12px;color:var(--ink);margin:0 0 7px}.secondary-list-label{grid-column:1/-1;margin:18px 0 0;font-size:12px;color:var(--muted)}

#explore-paper-network{display:flex;justify-content:space-between;align-items:center;box-sizing:border-box;text-decoration:none;background:#147b53;border-color:#147b53;color:#fff;font-size:13px;font-weight:600;margin:0 0 16px;padding:14px 12px}#explore-paper-network:hover{background:#086742;border-color:#086742}

#stage .network-return{position:absolute;top:12px;left:12px;z-index:3;display:inline-flex;align-items:center;gap:9px;min-height:44px;max-width:calc(100% - 24px);padding:12px 16px;border:1px solid #263e4c;border-radius:7px;background:#263e4c;color:#fff;font-size:14px;font-weight:600;line-height:1.3;box-shadow:0 3px 12px #263e4c26;cursor:pointer}#stage .network-return:hover{background:#3c5868}#stage .network-return:focus-visible{outline:3px solid #147b53;outline-offset:3px}@media(max-width:480px){#stage .network-return{top:8px;left:8px;font-size:13px;padding:12px 14px;max-width:calc(100% - 16px)}}
.preparation-dialog{max-width:560px;width:calc(100% - 40px);border:1px solid #bac8bd;border-radius:14px;padding:28px;background:#faf8f1;color:#263e4c;box-shadow:0 20px 80px #263e4c33}.preparation-dialog::backdrop{background:#263e4c66}.preparation-dialog h2{font-family:Georgia,serif;font-size:28px}.preparation-dialog p{line-height:1.6}.dialog-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.preparation-tray{position:fixed;bottom:12px;left:16px;max-width:min(480px,calc(100vw - 32px));z-index:50;background:#faf8f1;border:1px solid #b5c4b8;border-radius:9px;padding:10px 14px;box-shadow:0 4px 20px #263e4c22}.preparation-tray a{display:block;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:13px}.preparation-tray[hidden]{display:none}

/* Approved prototype preparation panel, driven by actual request/query state. */
.network-preparation{margin:18px 0 22px;border:1px solid #bdcebd;border-radius:9px;background:#f0f5ed;overflow:hidden}.network-preparation[hidden]{display:none}.preparation-card{display:flex;align-items:center;gap:16px;padding:20px 22px}.preparation-copy{flex:1;min-width:0}.preparation-copy strong{font-size:16px}.preparation-copy p{font-size:13px;line-height:1.6;margin:6px 0;color:#52665a}.preparation-copy>span{font-size:12px;color:#40584b}.preparation-spinner{flex:0 0 22px;width:22px;height:22px;border:3px solid #c6d6bd;border-top-color:#528065;border-radius:50%;animation:preparation-spin 1s linear infinite}.preparation-spinner.complete{animation:none;border:0;background:#638655;position:relative}.preparation-spinner.complete:after{content:'✓';color:#fff;position:absolute;left:5px;top:1px}.network-preparation[data-state=paused] .preparation-spinner{background:#a37a37}.network-preparation[data-state=paused] .preparation-spinner:after{content:'!';left:9px}.preparation-progress{height:4px;background:#dce6d6;overflow:hidden}.preparation-progress>div{height:100%;background:#638655;transition:width .2s}#layer-help{font-size:12px;flex-basis:100%;color:#52665a}.layer-controls{flex-wrap:wrap}#prepare-second{font-size:12px;padding:8px 12px}#preparation-actions button{font-size:12px}@keyframes preparation-spin{to{transform:rotate(360deg)}}@media(max-width:600px){.preparation-card{flex-wrap:wrap;align-items:flex-start;padding:16px;gap:12px}#preparation-actions{margin-left:34px}.preparation-copy{flex-basis:calc(100% - 40px)}}@media(prefers-reduced-motion:reduce){.preparation-spinner{animation:none}.preparation-progress>div{transition:none}}

.preparation-progress-label{padding:0 22px 12px;font-size:12px;font-weight:600;color:#40584b}.preparation-progress{height:8px}.preparation-progress>div{transition:width .25s ease-out}

.preparation-card{position:relative;padding-right:70px}.preparation-close{position:absolute;top:10px;right:10px;width:44px;height:44px;padding:0;border:0;background:transparent;color:#52665a;font:26px/1 system-ui;cursor:pointer}.preparation-close:hover{background:#dce6d6}.preparation-close:focus-visible,#show-preparation:focus-visible{outline:2px solid #326b57;outline-offset:3px}#show-preparation{font-size:12px;white-space:nowrap}#show-preparation[hidden]{display:none}

.layer-controls #second-order-toggle[hidden],.layer-controls #second-order-empty[hidden]{display:none}.layer-controls #second-order-empty{color:var(--ink)}