:root{color-scheme:dark;--bg:#090f1d;--panel:#111a2b;--panel2:#172339;--edge:#2b3b56;--text:#eaf0ff;--sub:#a5b5cb;--blue:#7cacff;--accent:#597dfa;--good:#71e3aa;--bad:#ffa59e;font-family:Inter,ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(ellipse 65% 650px at 50% -140px,#203b73 0%,#101c37 36%,transparent 74%),var(--bg);color:var(--text);font-size:15px;line-height:1.6}.wrap{width:min(1100px,calc(100% - 42px));margin:auto}.topbar{border-bottom:1px solid #26355377;background:#090f1dbb}.nav-wrap{min-height:66px;display:flex;align-items:center;justify-content:space-between;gap:16px}.identity{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--text);font-weight:780;font-size:13px;letter-spacing:.06em}.identity small{font-weight:450;color:var(--sub);font-size:12px;letter-spacing:0}.brand-icon{display:grid;place-items:center;width:32px;height:32px;background:linear-gradient(120deg,#7fa6ff,#5779fa);color:#091123;border-radius:9px;font-size:21px}.topbar nav{display:flex;gap:22px}.topbar nav a,.footer a{color:var(--sub);font-size:13px;text-decoration:none}.topbar nav a:hover,.footer a:hover{color:var(--blue)}.hero{padding:66px 0 48px;max-width:920px}.eyebrow,.kicker{color:var(--blue);font-weight:740;letter-spacing:.17em;font-size:10px}.eyebrow{display:flex;align-items:center;gap:10px}.pulse{width:7px;height:7px;background:#69e1be;border-radius:50%;box-shadow:0 0 0 5px #69e1be20}h1{font-size:clamp(37px,5.2vw,66px);line-height:1.11;letter-spacing:-.055em;margin:22px 0 18px;font-weight:790}h1 span{color:#84abff}.hero p{color:var(--sub);font-size:17px;max-width:680px;margin:0}.hero-pills{display:flex;gap:9px;flex-wrap:wrap;margin-top:23px}.hero-pills span,.chip{border:1px solid var(--edge);background:#16243b8c;border-radius:99px;padding:5px 11px;color:#baccde;font-size:12px}.panel{border:1px solid var(--edge);border-radius:16px;background:linear-gradient(145deg,#15213a,#101827 70%);padding:27px;margin:0 0 27px;box-shadow:0 22px 50px #0000001e}.section-head{display:flex;justify-content:space-between;align-items:flex-start;gap:15px;margin-bottom:23px}h2{font-size:26px;line-height:1.25;letter-spacing:-.028em;margin:5px 0 0}h3{font-size:16px;letter-spacing:-.015em;margin:0}.small{font-size:12px}.muted{color:var(--sub)}.dataset-choice{border:0;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.dataset-card{position:relative;display:flex;flex-direction:column;gap:4px;cursor:pointer;min-height:148px;padding:17px;border:1px solid var(--edge);border-radius:11px;background:#0e1829;transition:.15s}.dataset-card:hover{border-color:#6b96e7}.dataset-card:has(input:checked){background:#1a2d4f;border-color:#85abff;box-shadow:inset 0 0 0 1px #85abff44}.dataset-card input{position:absolute;top:15px;right:15px;accent-color:#9bbdff;width:15px;height:15px}.dataset-card .tag{font-size:9px;color:#9db6e7;letter-spacing:.09em;font-weight:750}.dataset-card strong{font-size:19px;letter-spacing:-.03em;margin-top:8px}.dataset-card>span:last-child{color:var(--sub);font-size:12px}.setup-bottom{display:flex;justify-content:space-between;align-items:flex-end;gap:15px;flex-wrap:wrap;margin-top:21px}.split-field{font-size:12px;color:var(--sub);display:flex;flex-direction:column;gap:7px}.split-field select{min-width:220px}select,input[type='search']{background:#0b1425;border:1px solid #334763;color:var(--text);border-radius:9px;padding:10px 12px;font:inherit;font-size:13px;outline:none}select:focus,input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #7099e520}.btn{border:1px solid transparent;border-radius:9px;padding:11px 16px;font:inherit;font-size:13px;font-weight:710;cursor:pointer;transition:.16s;white-space:nowrap}.btn:hover:not(:disabled){filter:brightness(1.14)}.btn:disabled{opacity:.43;cursor:not-allowed}.btn.primary{background:#7da7ff;color:#091226}.btn.secondary{color:#d5e1fa;background:#18263d;border-color:#344764}.btn.compact{padding:6px 11px;font-size:12px}.status{font-size:12px;color:var(--sub);min-height:19px;margin:16px 0 0}.status.error{color:var(--bad)}.hidden{display:none!important}.play-meta{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end}.play-head{align-items:center}.question-box{background:#0e192c;border:1px solid #344766;border-radius:12px;padding:19px 21px}.question-box>p{font-size:20px;font-weight:670;line-height:1.5;letter-spacing:-.02em;margin:8px 0 14px}.start-note{font-size:13px;color:var(--sub)}.start-note b{color:#e4edff;font-weight:690}.download-box{display:flex;align-items:center;gap:16px;background:#112d48;border:1px solid #3f6a90;border-radius:11px;padding:20px;margin-top:18px}.download-icon{font-size:29px;line-height:1}.download-copy{flex:1}.download-copy strong{font-size:14px}.download-copy p{font-size:12px;color:var(--sub);margin:2px 0 0}.statebar{display:flex;justify-content:space-between;align-items:center;gap:14px;margin:21px 0}.current-entity{font-size:21px;font-weight:780;letter-spacing:-.026em;word-break:break-word}.statebar-actions{display:flex;gap:7px}.play-columns{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:15px}.action-panel,.journey{background:#0d1728;border:1px solid var(--edge);border-radius:11px;padding:18px;min-height:300px}.subheading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:13px}.action-panel input[type='search']{width:100%;margin-bottom:12px}.relation-list{display:flex;flex-direction:column;gap:7px;max-height:360px;overflow:auto;padding-right:3px}.rel-item{width:100%;background:#16243b;border:1px solid #304360;color:var(--text);border-radius:9px;display:flex;justify-content:space-between;gap:10px;padding:10px 12px;text-align:left;cursor:pointer;align-items:center;font-size:13px}.rel-item.active,.rel-item:hover{background:#24395b;border-color:#6c9cf4}.rel-item small{color:var(--sub);font-size:11px;white-space:nowrap}.rel-item .name{min-width:0;overflow-wrap:anywhere}.rel-item code,.nodeid{font-size:11px;color:#8eace2;font-family:ui-monospace,monospace}.neighbors{border:1px solid #5477ab;background:#121f34;border-radius:11px;padding:13px;margin-top:15px}.neighbors p{margin:0 0 12px}.plain{background:none;border:0;cursor:pointer;color:var(--sub);font-size:16px}.neighbor-list{display:grid;gap:7px;max-height:260px;overflow:auto}.neighbor-row{display:flex;gap:7px;align-items:stretch}.neighbor-row .neighbor{flex:1;min-width:0}.neighbor-external{display:grid;place-items:center;min-width:33px;border:1px solid #3b5071;background:#1c2a43;border-radius:8px;color:#b5cffe;text-decoration:none}.neighbor-external:hover{background:#274060}.neighbor{border:1px solid #3b5071;border-radius:8px;padding:10px 11px;background:#1c2a43;color:var(--text);cursor:pointer;text-align:left;display:flex;justify-content:space-between;align-items:center;gap:12px}.neighbor:hover{border-color:#7aabff;background:#274060}.pager{display:flex;justify-content:space-between;align-items:center;gap:6px;margin-top:10px}.route-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.route-step{position:relative;padding:10px 12px 10px 16px;border:1px solid #364862;background:#152239;border-radius:10px}.route-step:not(:last-child):after{content:'';position:absolute;width:1px;height:9px;background:#6c86b2;bottom:-9px;left:20px}.route-step .route-rel{display:block;color:#9ab8ec;font-size:11px}.route-step strong{font-size:13px;overflow-wrap:anywhere}.route-step .nodeid{margin-left:7px}.journey-hint{font-size:12px;color:var(--sub);border-top:1px solid #30405a;padding-top:14px;margin-top:17px}.finish-row{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:22px;flex-wrap:wrap}.finish-row .status{margin:0}.finish-buttons{display:flex;gap:8px;flex-wrap:wrap}.result{border:1px solid #536c95;border-radius:12px;background:#10223c;margin-top:22px;padding:22px}.result-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.result-top h3{font-size:24px;margin-top:5px}.result-badge{border:1px solid #5b82b3;color:#c4d9fa;border-radius:99px;padding:5px 11px;font-size:12px;white-space:nowrap}.result-badge.success{border-color:#367a61;background:#1e493e;color:var(--good)}.result-badge.fail{border-color:#88524f;background:#4a292f;color:var(--bad)}.result p{color:#bfcde0;font-size:13px}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin:18px 0}.result-grid>div{background:#0b1729;border:1px solid #30425d;padding:13px;border-radius:9px}.result-value{font-size:15px;color:var(--text);font-weight:690;word-break:break-word;margin-top:4px}.path-assessment{padding:12px 14px;background:#1a2c43;border:1px solid #355171;border-radius:9px;font-size:13px;color:#d1def1}.reference-details{border-top:1px solid #3b4d68;margin-top:18px;padding-top:14px;font-size:13px}.reference-details summary{cursor:pointer;color:#a9c6fa;font-weight:700}.reference-details p{margin:8px 0}.reference-details code{font-size:12px}.result-footer{display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap;margin-top:17px}.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:0 0 56px}.info-card{border:1px solid var(--edge);background:#101a2c;border-radius:13px;padding:24px}.info-card h2{font-size:20px;margin:8px 0}.info-card p{color:var(--sub);font-size:13px;margin:10px 0 0}.footer{border-top:1px solid #263554;padding:25px 0 38px;color:var(--sub);font-size:12px}.footer-flex{display:flex;justify-content:space-between;gap:20px}.footer-flex div{display:flex;gap:17px;flex-wrap:wrap}.empty{color:var(--sub);font-size:13px;padding:15px 8px}.link{color:#a6c6ff;text-decoration:none}.link:hover{text-decoration:underline}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;border:0;clip:rect(0,0,0,0);overflow:hidden}
@media(min-width:721px) and (max-width:1000px){.dataset-choice{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.hero{padding:42px 0 34px}.dataset-choice,.play-columns,.info-grid{grid-template-columns:1fr}.dataset-card{min-height:105px}.section-head,.play-head{flex-wrap:wrap}.play-meta{justify-content:flex-start}.panel{padding:18px}.download-box{flex-wrap:wrap}.statebar{flex-wrap:wrap}.finish-row{align-items:stretch}.finish-buttons{width:100%}.finish-buttons button{flex:1}.question-box>p{font-size:18px}.footer-flex{flex-direction:column;gap:8px}.topbar nav{gap:12px}.identity small{display:none}.result-grid{grid-template-columns:1fr}.hero p{font-size:15px}}

/* Question wording selector and variation note. */
.setup-options{display:flex;align-items:flex-end;gap:14px;flex-wrap:wrap}
.setup-options .split-field{flex:1 1 210px}
#wording{min-width:230px}
.wording-note{font-size:12px;color:var(--sub);margin:-6px 0 11px}
.wording-note:empty{display:none}
@media(max-width:610px){.setup-options{width:100%}.setup-options .split-field{flex:1 1 100%}.setup-options select,#wording{width:100%;min-width:0}.setup-bottom>.btn{width:100%}}