:root{color-scheme:dark;--bg:#0d1218;--panel:#141b24;--raised:#1b2531;--ink:#ecf1f7;--muted:#9aabba;--line:#2b3948;--accent:#9ce2c0;--field:#10171f;--warning:#ecc781;--node:#17212c;--dot:#344252;--edge:#688298}
:root[data-theme=light]{color-scheme:light;--bg:#f3f6f8;--panel:#fff;--raised:#edf2f6;--ink:#1b2936;--muted:#4d6377;--line:#c7d4df;--accent:#19634b;--field:#f7f9fb;--warning:#8b570d;--node:#fff;--dot:#c6d0d9;--edge:#718698}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}a{color:inherit;text-underline-offset:4px}button,input{font:inherit}button{color:var(--ink);background:var(--raised);border:1px solid var(--line);border-radius:8px;padding:8px 13px;cursor:pointer}button:hover{border-color:var(--accent)}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button[aria-pressed=true]{background:var(--accent);color:var(--bg)}[hidden]{display:none!important}.topbar,main,footer{width:min(1900px,calc(100% - 64px));margin:auto}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:92px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:22px;font-weight:730;letter-spacing:-.5px}.brand>span:last-child{font-size:17px;font-weight:400;color:var(--muted)}.brand-icon{display:grid;place-items:center;background:var(--accent);color:var(--bg);width:33px;height:36px;border-radius:9px}.topbar nav{display:flex;align-items:center;gap:25px;font-size:12px}.topbar nav a{color:var(--muted);text-decoration:none}.intro{display:flex;justify-content:space-between;gap:40px;align-items:center;padding:62px 8px 44px}.eyebrow{color:var(--accent);font-weight:700;font-size:10px;letter-spacing:2px;margin:0 0 12px}h1{font-size:clamp(32px,3.5vw,58px);line-height:1.1;font-weight:650;letter-spacing:-1.8px;margin:0 0 24px}h1 span{color:var(--muted)}.lead{max-width:720px;color:var(--muted);font-size:16px;margin:0}.intro-aside{flex-shrink:0;width:240px;border-left:1px solid var(--line);padding-left:28px}.edition{font-size:10px;letter-spacing:1.5px;color:var(--muted)}.intro-aside p{font-size:13px;color:var(--muted)}.intro-aside strong{font-size:26px;color:var(--ink);margin-right:8px}.intro-aside small{display:block;color:var(--muted);font-size:11px}.map-panel{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:26px;overflow:hidden}.map-heading{display:flex;align-items:center;justify-content:space-between;gap:18px}.map-heading h2{margin:0;font-size:23px;letter-spacing:-.5px}.map-heading .eyebrow{font-size:9px}.zoom{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.zoom button{font-size:12px;min-height:38px}.zoom #zoom-in,.zoom #zoom-out{font-size:20px;width:38px;padding:0}.zoom output{font-size:12px;width:56px;text-align:center;color:var(--muted);font-variant-numeric:tabular-nums}.map-tools{display:flex;justify-content:space-between;gap:20px;align-items:center;margin:22px 0}.search-label{display:grid;gap:5px;font-size:10px;color:var(--muted);width:min(480px,100%)}input{width:100%;min-width:0;background:var(--field);border:1px solid var(--line);border-radius:8px;padding:10px 14px;color:var(--ink);font-size:13px}.map-tools p{font-size:12px;color:var(--ink);margin:0}.map-tools p span{color:var(--muted)}.search-results{display:flex;flex-wrap:wrap;gap:8px;padding:0 0 18px}.search-results button{font-size:12px}.legend{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:18px}.legend button{font-size:10px;padding:5px 10px;background:transparent;display:flex;gap:7px;align-items:center}.legend i{background:var(--branch);width:7px;height:7px;border-radius:50%}
.performance{--branch:#79bfff}.layer2{--branch:#94ddba}.contracts{--branch:#c2a4f4}.sidechains{--branch:#e4b670}.mining{--branch:#ed9a83}.privacy{--branch:#81d1d5}:root[data-theme=light] .performance{--branch:#205ca0}:root[data-theme=light] .layer2{--branch:#1b7654}:root[data-theme=light] .contracts{--branch:#7848aa}:root[data-theme=light] .sidechains{--branch:#8e5a13}:root[data-theme=light] .mining{--branch:#ae482f}:root[data-theme=light] .privacy{--branch:#247579}
#map-viewport{width:100%;max-height:78vh;min-height:320px;overflow:auto;overscroll-behavior:contain;border:1px solid var(--line);border-radius:10px;background-color:var(--bg);background-image:radial-gradient(var(--dot) .7px,transparent .7px);background-size:20px 20px;scrollbar-color:var(--line) var(--bg)}#map{display:block;margin:0 auto;max-width:none}.edge{fill:none;stroke:var(--branch,var(--edge));stroke-width:1.5;opacity:.4;pointer-events:none;transition:opacity .15s,stroke-width .15s}.edge.active{opacity:1;stroke-width:3.8}.node{cursor:pointer;outline:none;transition:opacity .15s}.node rect{fill:var(--node);stroke:var(--branch,var(--accent));stroke-opacity:.55;stroke-width:1.2;transition:fill .15s,stroke-width .15s}.node text{fill:var(--ink);font-size:16px;font-weight:500;text-anchor:middle;pointer-events:none}.node.category rect{fill:var(--raised);stroke-width:1.6}.node.category text{font-weight:700}.node.root rect{fill:var(--accent);stroke:var(--accent)}.node.root text{fill:var(--bg);font-weight:750;font-size:20px}.node.active rect{stroke-opacity:1;stroke-width:3.2;fill:color-mix(in srgb,var(--branch,var(--accent)) 15%,var(--node))}.node.selected rect{stroke-width:4}.node.root.active rect{fill:var(--accent)}.node:focus-visible rect{stroke:var(--ink);stroke-width:4;stroke-dasharray:5 3}.node.dim{opacity:.26}.edge.dim{opacity:.07}.map-footer{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line)}.map-footer p{font-size:11px;color:var(--accent);margin:0;min-height:20px}.map-footer>span{font-size:8px;letter-spacing:1px;color:var(--muted);white-space:nowrap}.map-note{font-size:11px;color:var(--muted);margin:12px 0 0}.list-group{padding:16px 0;border-top:1px solid var(--line)}.list-group h3{color:var(--branch);font-size:15px}.list-group>div{display:flex;gap:8px;flex-wrap:wrap}.list-group button{font-size:12px}
.detail{margin:30px 0 70px;padding:32px;background:var(--panel);border:1px solid var(--line);border-radius:15px;scroll-margin-top:18px}.detail:focus{outline:none}.detail-top{display:flex;justify-content:space-between;align-items:center;gap:20px}.detail-top button{font-size:11px}.detail-heading{display:flex;align-items:center;flex-wrap:wrap;gap:20px;margin:18px 0}.detail h2{font-size:clamp(25px,3vw,38px);letter-spacing:-.8px;line-height:1.2;margin:0}.kind{border:1px solid var(--line);border-radius:30px;font-size:11px;color:var(--accent);padding:5px 12px}.detail-summary{font-size:18px;color:var(--muted);max-width:1000px;line-height:1.6}.detail-columns{display:grid;grid-template-columns:1.25fr 1fr;gap:48px;margin-top:28px}.detail h3{font-size:13px;margin:0 0 12px}.detail-columns p,.detail-columns li{font-size:14px;color:var(--muted)}.detail-columns p{margin:0 0 25px}.detail-columns ul{padding-left:20px}.detail-columns li{padding-bottom:9px}.limits{background:color-mix(in srgb,var(--warning) 5%,var(--panel));border-left:2px solid var(--warning);padding:17px 20px}.limits h3{color:var(--warning)}.limits p{margin:0}.sources{margin-top:24px}.sources a{color:var(--accent);overflow-wrap:anywhere}.sources li{font-size:12px}.related{border-top:1px solid var(--line);padding-top:22px;margin-top:25px}.related>div{display:flex;flex-wrap:wrap;gap:9px}.related button{font-size:12px}.editorial{font-size:11px;color:var(--muted);margin:26px 0 0}#breadcrumbs{font-size:11px;margin-top:18px;display:flex;align-items:center;flex-wrap:wrap;gap:8px;color:var(--muted)}#breadcrumbs button{padding:0;background:none;border:0;font-size:inherit;color:inherit}footer{display:flex;justify-content:space-between;gap:20px;padding:25px 0;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.skip{position:fixed;top:-80px;left:20px;z-index:100;background:var(--panel);padding:12px}.skip:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}@media(max-width:800px){.topbar,main,footer{width:calc(100% - 28px)}.intro{padding:35px 0 30px}.intro-aside{display:none}.topbar{flex-wrap:wrap;padding:18px 0;gap:15px}.topbar nav{gap:16px}.map-panel{padding:16px}.map-heading{align-items:flex-start;flex-direction:column}.map-tools{flex-direction:column;align-items:stretch}.map-tools p{font-size:11px}.detail{padding:22px}.detail-columns{grid-template-columns:1fr;gap:20px}.detail-summary{font-size:16px}.map-footer>span{display:none}footer{flex-direction:column;gap:6px}.legend{gap:5px}.legend button{font-size:9px}#map-viewport{max-height:65vh}}
.node.dim{opacity:.62}.edge.dim{opacity:.16}
.topbar,main,footer{width:calc(100% - 48px);max-width:none}
.map-panel{padding:20px}.branch-panel{fill:color-mix(in srgb,var(--branch) 6%,var(--bg));stroke:var(--branch);stroke-opacity:.45;stroke-width:1.5;pointer-events:none}
.node rect{fill:color-mix(in srgb,var(--branch,var(--accent)) 22%,var(--node));stroke-opacity:.9;stroke-width:1.7}.node text{font-size:14px;font-weight:600}.node.category rect{fill:color-mix(in srgb,var(--branch) 40%,var(--node));stroke-width:2.5}.node.category text{fill:var(--ink)}.node.root text{font-size:20px}.node.active rect{fill:color-mix(in srgb,var(--branch,var(--accent)) 42%,var(--node));stroke-width:4}.node.dim{opacity:.56}.edge{opacity:.16}.edge.active{opacity:1;stroke-width:5}.edge.dim{opacity:.035}
.performance{--branch:#65b6ff}.layer2{--branch:#49d69a}.contracts{--branch:#bc91ff}.sidechains{--branch:#ffcc59}.mining{--branch:#ff8866}.privacy{--branch:#50dce4}
#map-viewport{min-height:220px;max-height:78vh}
.timeline-section,.slides-section{margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}.material-note{font-size:12px;color:var(--muted);max-width:1000px}.timeline-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:22px 0 14px}.timeline-steps button{text-align:left;display:grid;gap:6px;position:relative;padding:15px;border-top:3px solid var(--line)}.timeline-steps button.verified{border-top-color:var(--accent)}.timeline-steps button span{font-size:11px;color:var(--muted)}.timeline-steps button[aria-pressed=true] span{color:inherit}.timeline-steps button strong{font-size:14px}.timeline-detail{padding:20px;background:var(--field);border:1px solid var(--line);border-radius:10px;min-height:130px}.timeline-detail p{font-size:13px;color:var(--muted);margin:8px 0}.timeline-detail a{font-size:12px;color:var(--accent)}.slides-heading{display:flex;justify-content:space-between;align-items:center;gap:15px}.slides-heading a,.slides-controls a{font-size:12px;color:var(--accent)}.slides-controls{display:flex;align-items:center;gap:15px;margin:15px 0}.slides-controls output{font-variant-numeric:tabular-nums;font-size:12px}.slides-controls a{margin-left:auto}.slides-section figure{margin:0;background:var(--field);border:1px solid var(--line);border-radius:12px;padding:14px}.slides-section img{display:block;max-width:100%;width:auto;height:auto;max-height:76vh;object-fit:contain;margin:auto}.slides-section figcaption{font-size:12px;color:var(--muted);margin-top:12px;text-align:center}#slide-error{color:var(--warning);font-size:13px}
@media(max-width:800px){.topbar,main,footer{width:calc(100% - 24px)}.map-panel{padding:12px}.timeline-steps{grid-template-columns:repeat(2,minmax(0,1fr))}.slides-heading,.slides-controls{flex-wrap:wrap}.slides-controls a{margin-left:0}.timeline-steps button{padding:10px}}