:root{color-scheme:light;--ink:#203531;--muted:#6b7974;--teal:#16796c;--teal-soft:#e6f1eb;--line:#dce4dc;--paper:#f5f6f2;--warm:#b67c4a;--panel:#fffefa}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}button,input,select{font:inherit;color:inherit}button,a,input,select{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,canvas:focus-visible{outline:2px solid var(--teal)}button{cursor:pointer}button:disabled{opacity:.4;cursor:default}a{color:var(--teal);text-decoration:none}a:hover{text-decoration:underline}[hidden]{display:none!important}.app-header{height:83px;padding:0 34px;display:flex;align-items:center;gap:26px;background:var(--panel);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-size:16px;font-weight:650;letter-spacing:-.3px;line-height:1.4}.brand:hover{text-decoration:none}.brand small{display:block;font-size:10px;font-weight:400;color:var(--muted);letter-spacing:0;margin-top:3px}.brand-icon{font-size:36px;font-weight:400;line-height:1;color:var(--teal)}#learn-toggle{margin-left:auto}.advanced-link{font-size:11px;color:var(--muted)}.text-button{padding:6px 0;background:transparent;border:0;color:var(--teal);font-size:12px;text-align:left}.text-button:hover{text-decoration:underline}.workspace{height:calc(100dvh - 83px);display:grid;grid-template-columns:minmax(0,1fr) 350px;max-width:1900px;margin:auto}.map-area{position:relative;overflow:hidden;min-width:0;background:radial-gradient(ellipse at 50% 50%,#fffffb,#f2f5ef)}#atlas-map{width:100%;height:100%;display:block;touch-action:none;cursor:grab}#atlas-map.dragging{cursor:grabbing}#atlas-map.pointing{cursor:pointer}.map-top{position:absolute;top:24px;left:32px;right:32px;z-index:2;pointer-events:none}.topic-tabs{display:flex;align-items:center;gap:4px;padding:4px;border:1px solid var(--line);background:#ffffffc4;border-radius:12px;width:max-content;max-width:100%;pointer-events:auto;box-shadow:0 2px 6px #243a3404}.topic-tabs button{border:0;background:transparent;padding:9px 13px;border-radius:8px;font-size:11px;color:var(--muted);white-space:nowrap}.topic-tabs button[aria-pressed=true]{background:var(--teal);color:white}.map-heading{margin-top:29px;max-width:430px}.map-heading p:first-child,.section-kicker{color:var(--muted);font-size:9px;letter-spacing:1.5px;font-weight:600;margin:0 0 8px}.map-heading h1{font-size:clamp(26px,3vw,38px);line-height:1.15;font-weight:550;letter-spacing:-1.2px;margin:0 0 10px}.map-heading p:last-child{font-size:12px;color:var(--muted);margin:0}.map-bottom{position:absolute;bottom:23px;left:32px;right:82px;pointer-events:none}.map-bottom p{font-size:10px;color:var(--muted);margin:0 0 5px}#map-meaning{color:#4e6860;max-width:500px}#map-meaning i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--teal);margin-right:6px}.map-help{opacity:.7}.map-tools{position:absolute;right:24px;bottom:24px;background:var(--panel);border:1px solid var(--line);border-radius:10px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 3px 15px #20353108}.map-tools button{width:35px;height:35px;font-size:21px;font-weight:400;border:0;background:transparent}.map-tools button+button{border-top:1px solid var(--line)}.map-tools button:hover{background:var(--teal-soft)}.explorer{border-left:1px solid var(--line);background:var(--panel);display:flex;flex-direction:column;min-height:0;min-width:0}.panel-scroll{padding:31px 25px 25px;overflow:auto;flex:1;scrollbar-width:thin;scrollbar-color:#c8d5cd transparent}h2{font-size:24px;letter-spacing:-.65px;line-height:1.2;font-weight:550;margin:0 0 12px}h3{font-size:14px;font-weight:600;margin:24px 0 7px}p{color:var(--muted)}.intro{font-size:12px;line-height:1.7;margin:0 0 24px}input,select{border:1px solid var(--line);border-radius:8px;background:#fff;padding:10px 11px;font-size:12px;width:100%;min-width:0}input::placeholder{color:#92a098}select{cursor:pointer}label{display:block;font-size:11px;color:var(--muted);margin:15px 0 6px}.list-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:20px 0 7px;font-size:10px;color:var(--muted)}.list-heading select{width:auto;padding:3px 5px;font-size:10px;border:0;background:transparent}.target-list{margin-top:10px}.target-row{background:transparent;width:100%;text-align:left;padding:12px 3px;border:0;border-bottom:1px solid #e7ece5;display:flex;gap:12px;align-items:center;transition:background .15s}.target-row:hover,.target-row[aria-current=true]{background:var(--teal-soft);border-radius:7px;padding-left:9px;padding-right:9px}.target-row .row-body{flex:1;min-width:0}.target-row strong{font-size:12px;font-weight:550;display:block;overflow-wrap:anywhere}.target-row small{font-size:10px;color:var(--muted);display:block;margin-top:4px;overflow-wrap:anywhere}.row-arrow{color:#8ca599;font-size:17px}.row-dot{height:6px;width:6px;border-radius:50%;background:var(--teal);flex-shrink:0}.empty-state{font-size:12px;line-height:1.7;padding:20px 0}.callout{padding:12px 13px;background:#edf3ed;border-left:2px solid #8bac9a;border-radius:0 7px 7px 0;font-size:11px;line-height:1.75;color:#50665c;margin:18px 0}.primary-button{border:1px solid var(--teal);border-radius:8px;background:var(--teal);color:white;padding:9px 13px;font-size:12px}.primary-button:hover{background:#105e53}.back-button{margin-bottom:22px;color:var(--muted);font-size:11px}.detail-meta{display:flex;gap:7px;flex-wrap:wrap;margin:13px 0}.detail-meta span{font-size:10px;color:#577567;padding:4px 7px;border:1px solid #d7e4da;background:#f0f5ef;border-radius:5px}.source-note{font-size:10px;line-height:1.7;color:#829085;overflow-wrap:anywhere;margin:17px 0}.connection-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:15px 0}.connection-actions button{font-size:11px}.hop-row{display:grid;grid-template-columns:26px 1fr auto;gap:8px;padding:10px 0;border-bottom:1px solid var(--line);align-items:start;font-size:11px}.hop-row>span:first-child{color:#8e9e94;font-size:10px;padding-top:2px}.hop-address{font:10px/1.6 ui-monospace,monospace;overflow-wrap:anywhere}.hop-address small{display:block;color:var(--muted);font:10px/1.6 -apple-system,BlinkMacSystemFont,sans-serif}.hop-time{font-size:10px;color:var(--teal);white-space:nowrap}.hop-row.silent .hop-address{font-family:inherit;color:#9b876c}.detail-fact{padding:10px 0;border-bottom:1px solid var(--line)}.detail-fact small{font-size:9px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);display:block;margin-bottom:3px}.detail-fact span{font-size:12px;overflow-wrap:anywhere}.detail-link{font-size:11px}.search-row{display:flex;gap:7px}.search-row button{white-space:nowrap}#physical-kind{margin:0 0 12px}.learn-panel p{font-size:12px;line-height:1.8}.learn-panel b{color:var(--ink);font-weight:550}.collection-footer{padding:17px 25px;border-top:1px solid var(--line);background:#f6f8f1;flex-shrink:0}.collection-status{display:flex;align-items:center;gap:8px;background:transparent;border:0;padding:0;width:100%;text-align:left;font-size:10px;color:#567264}.collection-status i{height:5px;width:5px;background:var(--teal);border-radius:50%;flex-shrink:0}.collection-status span:last-child{margin-left:auto}#collection-details p{font-size:10px;line-height:1.7;margin:10px 0}.footer-actions{display:flex;gap:11px;flex-wrap:wrap;font-size:10px}.footer-actions button{font-size:10px}.notice{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);padding:11px 17px;background:#243e34;color:#fff;border-radius:9px;font-size:12px;z-index:30;max-width:calc(100% - 32px);box-shadow:0 5px 30px #20353122}.map-tooltip{position:absolute;pointer-events:none;background:#213c31;color:#fff;padding:8px 11px;border-radius:7px;font-size:11px;max-width:220px;z-index:5;box-shadow:0 3px 15px #20353122}.map-loading{position:absolute;left:32px;bottom:90px;font-size:11px;color:var(--muted);padding:8px 11px;border:1px solid var(--line);border-radius:7px;background:#fffff9e8;max-width:calc(100% - 70px)}.bgp-chain{display:flex;gap:5px;align-items:center;flex-wrap:wrap;margin:14px 0}.bgp-chain span{border:1px solid #d1dfd5;background:#edf4ed;padding:6px 8px;border-radius:6px;font:11px ui-monospace,monospace}.bgp-chain i{font-style:normal;color:#8c9d91;font-size:10px}details{margin:20px 0}summary{font-size:11px;color:var(--muted);cursor:pointer}pre{white-space:pre-wrap;overflow-wrap:anywhere;max-height:260px;overflow:auto;font:10px/1.7 ui-monospace,monospace;background:#f0f3ec;padding:10px;border-radius:7px;color:var(--muted)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1500px){.workspace{grid-template-columns:minmax(0,1fr) 390px}.panel-scroll{padding:36px 32px}.collection-footer{padding-left:32px;padding-right:32px}}
@media(max-width:1000px){.workspace{grid-template-columns:minmax(0,1fr) 310px}.app-header{padding:0 24px;gap:17px}.brand{font-size:14px}.map-top{left:24px;right:24px}.map-heading{margin-top:23px}.map-heading h1{font-size:29px;max-width:320px}.map-heading p:last-child{max-width:270px;font-size:11px}.topic-tabs button{font-size:10px;padding:8px 9px}.panel-scroll{padding:27px 21px}.collection-footer{padding:16px 21px}.map-bottom{left:24px}.advanced-link{display:none}.map-heading{max-width:330px}}
@media(max-width:740px){.app-header{height:70px;padding:0 19px;gap:10px}.brand{font-size:13px;gap:8px}.brand small{font-size:9px}.brand-icon{font-size:30px}#learn-toggle{font-size:10px;max-width:86px;line-height:1.5}.workspace{height:auto;display:flex;flex-direction:column}.map-area{height:53dvh;min-height:390px;max-height:540px}.map-top{top:16px;left:18px;right:18px}.topic-tabs{width:100%;justify-content:center}.topic-tabs button{padding:7px 10px;font-size:10px;flex:1}.map-heading{margin-top:21px;max-width:100%}.map-heading h1{font-size:27px;max-width:100%}.map-heading p:last-child{max-width:100%;font-size:11px}.map-heading p:first-child{font-size:8px;margin-bottom:6px}.map-bottom{left:18px;bottom:13px}.map-bottom p{font-size:9px}.map-tools{right:17px;bottom:19px}.map-tools button{width:31px;height:31px;font-size:18px}.map-loading{left:18px;bottom:73px;font-size:10px}.explorer{border-left:0;border-top:1px solid var(--line);min-height:400px}.panel-scroll{overflow:visible;padding:24px 23px 20px}.collection-footer{padding:16px 23px}h2{font-size:23px}.intro{max-width:440px;margin-bottom:18px}.target-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.target-row{min-height:68px}.target-row strong{font-size:11px}.target-row small{font-size:9px}.detail-meta{margin-top:15px}#bgp-results{display:block}.notice{font-size:11px;bottom:10px;width:max-content}.map-help{display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}