:root{--bg: #05080d;--panel: rgba(11, 16, 24, .88);--panel-solid: #0c121b;--line: rgba(160, 190, 220, .16);--line-strong: rgba(160, 190, 220, .32);--text: #e8eef5;--text-dim: #9fb0c2;--text-faint: #6d7f92;--accent: #6cb6ff;--nasa-blue: #0b3d91;--warn: #ffb86b;--radius: 10px;--font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;--mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden;background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}#app{position:fixed;inset:0}#scene-host{position:absolute;inset:0}#webgl-canvas{display:block;width:100%;height:100%}#label-layer{position:absolute;inset:0;pointer-events:none;overflow:hidden}#label-layer>div{pointer-events:none}button{font-family:inherit;cursor:pointer}::selection{background:#6cb6ff59}#loading-overlay{position:absolute;inset:0;z-index:60;display:grid;place-items:center;background:radial-gradient(1200px 700px at 70% 20%,rgba(20,40,70,.55),transparent 60%),var(--bg);transition:opacity .5s ease}#loading-overlay.done{opacity:0;pointer-events:none}.load-card{text-align:center;max-width:420px;padding:24px}.load-mark{width:58px;height:58px;margin:0 auto 18px;display:grid;place-items:center;border:1px solid var(--line-strong);border-radius:12px;background:linear-gradient(160deg,var(--nasa-blue),#071e47);font-family:var(--mono);font-weight:700;letter-spacing:.08em;color:#fff}.load-card h1{font-size:22px;font-weight:650;letter-spacing:.01em}.load-sub{margin-top:4px;color:var(--text-dim);font-size:12.5px;text-transform:uppercase;letter-spacing:.14em}.load-bar{margin:22px auto 10px;width:300px;max-width:80vw;height:4px;border-radius:3px;background:#a0bedc26;overflow:hidden}.load-bar-fill{height:100%;width:2%;border-radius:3px;background:linear-gradient(90deg,var(--nasa-blue),var(--accent));transition:width .25s ease}.load-status{color:var(--text-faint);font-size:12.5px;font-family:var(--mono)}.noscript-msg{position:absolute;inset:auto 0 40%;text-align:center;color:var(--text-dim)}#topbar{position:absolute;top:0;left:0;right:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;background:linear-gradient(180deg,rgba(5,8,13,.92),rgba(5,8,13,.55) 70%,transparent);pointer-events:none}#topbar>*{pointer-events:auto}.brand{display:flex;align-items:center;gap:12px;min-width:0}.brand-mark{flex:none;width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--line-strong);border-radius:10px;background:linear-gradient(160deg,var(--nasa-blue),#071e47);font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.08em}.brand-text h1{font-size:16.5px;font-weight:650;letter-spacing:.01em;white-space:nowrap}.brand-sub{color:var(--text-dim);font-size:10.5px;text-transform:uppercase;letter-spacing:.14em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.model-badge{display:inline-block;margin-left:8px;padding:1px 7px;border:1px solid var(--line-strong);border-radius:20px;color:var(--accent);letter-spacing:.08em}.model-badge.warn{color:var(--warn);border-color:#ffb86b66}.top-actions{display:flex;gap:8px}.btn{padding:8px 14px;border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--panel);color:var(--text);font-size:13px;font-weight:550;letter-spacing:.02em;backdrop-filter:blur(8px);transition:border-color .15s,background .15s,color .15s}.btn:hover{border-color:var(--accent);color:#fff}.btn.primary{background:linear-gradient(160deg,#10529e,var(--nasa-blue));border-color:#2f6fc4}.btn.primary:hover{background:linear-gradient(160deg,#1a62b4,#0d47a8)}.btn.active{border-color:var(--accent);color:var(--accent)}.btn:focus-visible,.rail-btn:focus-visible,.hotspot:focus-visible{outline:2px solid var(--accent);outline-offset:2px}#rail{position:absolute;left:14px;top:50%;transform:translateY(-50%);z-index:25;display:flex;flex-direction:column;gap:14px;max-height:calc(100% - 180px);overflow-y:auto;scrollbar-width:none}#rail::-webkit-scrollbar{display:none}.rail-group{display:flex;flex-direction:column;gap:4px;padding:10px;border:1px solid var(--line);border-radius:12px;background:var(--panel);backdrop-filter:blur(10px)}.rail-label{color:var(--text-faint);font-size:10px;font-weight:650;text-transform:uppercase;letter-spacing:.16em;padding:0 4px 4px}.rail-btn{padding:6px 12px;text-align:left;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--text-dim);font-size:12.5px;font-weight:550;letter-spacing:.02em;transition:all .15s}.rail-btn:hover{color:var(--text);background:#a0bedc14}.rail-btn.active{color:#fff;background:#6cb6ff24;border-color:#6cb6ff73}.hotspot{--hs-color: var(--accent);pointer-events:auto;display:flex;align-items:center;gap:7px;padding:4px 10px 4px 6px;border:1px solid color-mix(in srgb,var(--hs-color) 45%,transparent);border-radius:20px;background:#070b11d1;color:var(--text);font-size:12px;font-weight:550;letter-spacing:.02em;white-space:nowrap;transform:translate(14px,-50%);backdrop-filter:blur(6px);transition:opacity .25s,border-color .15s,background .15s}.hotspot:hover{border-color:var(--hs-color);background:#0a1018f2}.hotspot-num{font-family:var(--mono);font-size:10.5px;color:var(--hs-color);letter-spacing:.04em}.hotspot-name{max-width:170px;overflow:hidden;text-overflow:ellipsis}.hotspot.compact .hotspot-name{display:none}.hotspot.compact{padding:3px 8px 3px 7px}.hotspot.active{border-color:var(--hs-color);box-shadow:0 0 0 1px var(--hs-color),0 0 18px color-mix(in srgb,var(--hs-color) 45%,transparent)}.hotspot.dim{opacity:.28}.hotspot.occluded{opacity:.14}.hotspot.occluded:hover{opacity:.7}.flow-chip{--chip-color: var(--accent);padding:3px 9px;border:1px solid color-mix(in srgb,var(--chip-color) 55%,transparent);border-radius:6px;background:#070b11d9;color:color-mix(in srgb,var(--chip-color) 80%,#fff);font-family:var(--mono);font-size:10.5px;letter-spacing:.05em;white-space:nowrap;transform:translate(12px,-50%)}#info-panel{position:absolute;top:70px;right:14px;bottom:14px;z-index:35;width:390px;max-width:calc(100vw - 28px);border:1px solid var(--line);border-radius:14px;background:var(--panel);backdrop-filter:blur(14px);box-shadow:0 18px 50px #00000080;transform:translate(calc(100% + 30px));transition:transform .35s cubic-bezier(.22,1,.36,1);overflow:hidden}#info-panel.open{transform:translate(0)}.panel-scroll{height:100%;overflow-y:auto;padding:20px 20px 26px;scrollbar-width:thin}.panel-head{position:relative;padding-right:30px}.panel-cat{display:flex;align-items:center;gap:7px;color:var(--text-dim);font-size:10.5px;font-weight:650;text-transform:uppercase;letter-spacing:.16em}.cat-dot{width:8px;height:8px;border-radius:50%;background:var(--cat-color, var(--accent))}.panel-index{margin-left:auto;font-family:var(--mono);color:var(--text-faint)}.panel-head h2{margin-top:8px;font-size:21px;font-weight:650;letter-spacing:.01em}.panel-key{margin-top:3px;color:var(--accent);font-size:13px;font-weight:550}.panel-close{position:absolute;top:0;right:0;width:28px;height:28px;border:1px solid var(--line);border-radius:8px;background:transparent;color:var(--text-dim);font-size:13px}.panel-close:hover{color:#fff;border-color:var(--line-strong)}.confidence{margin-top:14px;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:#a0bedc0d;font-size:12px;color:var(--text-dim)}.conf-badge{display:inline-block;margin-bottom:5px;padding:2px 9px;border-radius:20px;font-size:10.5px;font-weight:650;text-transform:uppercase;letter-spacing:.1em}.conf-visible .conf-badge{background:#5fe3ac24;color:#6fe6b3}.conf-reference .conf-badge{background:#6cb6ff24;color:var(--accent)}.conf-approximation .conf-badge{background:#ffb86b26;color:var(--warn)}#info-panel section{margin-top:18px}#info-panel h3{color:var(--text-faint);font-size:10.5px;font-weight:650;text-transform:uppercase;letter-spacing:.16em;margin-bottom:6px}#info-panel section p{color:#cfdae6;font-size:13.5px}.panel-stats{border-top:1px solid var(--line);padding-top:6px}.stat-row{display:flex;justify-content:space-between;gap:14px;padding:7px 0;border-bottom:1px solid var(--line);font-size:12.5px}.stat-label{color:var(--text-faint);flex:none}.stat-value{color:var(--text);text-align:right;font-variant-numeric:tabular-nums}.panel-photo{margin-top:18px}.panel-photo img{width:100%;border-radius:10px;border:1px solid var(--line);display:block}.panel-photo figcaption{margin-top:7px;color:var(--text-faint);font-size:11.5px;line-height:1.45}.photo-credit{color:var(--text-dim);font-family:var(--mono);font-size:10.5px}#tour-bar{position:absolute;left:50%;bottom:16px;z-index:40;width:680px;max-width:calc(100vw - 28px);transform:translate(-50%,130%);transition:transform .4s cubic-bezier(.22,1,.36,1)}#tour-bar.open{transform:translate(-50%)}.tour-inner{border:1px solid var(--line);border-radius:14px;background:var(--panel);backdrop-filter:blur(14px);box-shadow:0 18px 50px #00000080;padding:14px 18px}.tour-progress{display:flex;gap:5px;margin-bottom:12px}.seg{flex:1;height:4px;border:none;border-radius:3px;background:#a0bedc2e;padding:0;transition:background .2s}.seg:hover{background:#a0bedc66}.seg.done{background:#6cb6ff8c}.seg.current{background:var(--accent);box-shadow:0 0 8px #6cb6ffb3}.tour-kicker{color:var(--accent);font-size:10.5px;font-weight:650;text-transform:uppercase;letter-spacing:.16em}.tour-text h2{font-size:17px;font-weight:650;margin:3px 0 5px}.tour-text p{color:#c6d2df;font-size:13px;line-height:1.55;max-height:108px;overflow-y:auto}.tour-controls{display:flex;gap:8px;margin-top:12px}.tour-btn{padding:7px 14px;border:1px solid var(--line-strong);border-radius:9px;background:transparent;color:var(--text);font-size:12.5px;font-weight:550}.tour-btn:hover:not(:disabled){border-color:var(--accent)}.tour-btn:disabled{opacity:.35;cursor:default}.tour-btn.primary{background:linear-gradient(160deg,#10529e,var(--nasa-blue));border-color:#2f6fc4}.tour-btn.tour-exit{margin-left:auto;color:var(--text-dim);border-color:transparent}.tour-btn.tour-exit:hover{color:var(--text);border-color:var(--line-strong)}#sources-modal,#help-overlay{position:absolute;inset:0;z-index:50;display:grid;place-items:center;background:#030509b8;opacity:0;pointer-events:none;transition:opacity .25s}#sources-modal.open,#help-overlay.open{opacity:1;pointer-events:auto}.modal-card{width:640px;max-width:calc(100vw - 32px);max-height:min(78vh,720px);display:flex;flex-direction:column;border:1px solid var(--line-strong);border-radius:16px;background:var(--panel-solid);box-shadow:0 24px 80px #0009;overflow:hidden}.modal-card.small{width:430px}.modal-card header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}.modal-card h2{font-size:17px;font-weight:650}.modal-close{width:28px;height:28px;border:1px solid var(--line);border-radius:8px;background:transparent;color:var(--text-dim)}.modal-close:hover{color:#fff}.modal-scroll{overflow-y:auto;padding:16px 20px 22px;scrollbar-width:thin}.modal-note{color:var(--text-dim);font-size:12.5px;margin-bottom:12px}.modal-note strong{color:var(--warn)}.modal-scroll h3{margin:16px 0 8px;color:var(--text-faint);font-size:10.5px;font-weight:650;text-transform:uppercase;letter-spacing:.16em}.asset-list{list-style:none}.asset-list li{padding:9px 0;border-bottom:1px solid var(--line);font-size:13px}.asset-name{font-weight:550}.asset-role{margin-left:6px;padding:1px 7px;border-radius:20px;font-size:10px;text-transform:uppercase;letter-spacing:.08em}.role-primary{background:#5fe3ac21;color:#6fe6b3}.role-fallback{background:#ffb86b26;color:var(--warn)}.role-reference{background:#6cb6ff21;color:var(--accent)}.asset-meta{color:var(--text-faint);font-size:11.5px;margin-top:2px;overflow-wrap:anywhere}.asset-meta a,.asset-list a{color:var(--accent);text-decoration:none}.asset-meta a:hover,.asset-list a:hover{text-decoration:underline}.help-grid{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;font-size:13px;color:var(--text-dim)}.help-grid .key{font-family:var(--mono);font-size:11.5px;color:var(--text);padding:2px 8px;border:1px solid var(--line-strong);border-radius:6px;background:#a0bedc12;white-space:nowrap;justify-self:start}#toast{position:absolute;left:50%;top:74px;z-index:55;transform:translate(-50%,-12px);padding:9px 16px;border:1px solid var(--line-strong);border-radius:10px;background:var(--panel-solid);color:var(--text);font-size:13px;box-shadow:0 10px 32px #00000080;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;max-width:calc(100vw - 40px)}#toast.visible{opacity:1;transform:translate(-50%)}@media(max-width:1100px){#info-panel{width:340px}}@media(max-width:860px){.brand-text h1{font-size:14px}.brand-sub{max-width:46vw}.btn{padding:7px 10px;font-size:12px}#rail{inset:auto 12px 12px;transform:none;flex-direction:row;max-height:none;overflow-x:auto}.rail-group{flex-direction:row;align-items:center;flex:none}.rail-label{padding:0 6px}#info-panel{inset:auto 10px 10px;width:auto;max-height:46vh;transform:translateY(calc(100% + 30px))}#info-panel.open{transform:translateY(0)}#tour-bar{bottom:10px}.tour-text p{max-height:84px}body.panel-open #rail,body.tour-open #rail{display:none}}@media(max-width:520px){.brand-sub{display:none}.top-actions .btn:not(.primary){padding:7px 8px}.tour-controls{flex-wrap:wrap}}@media(prefers-reduced-motion:reduce){*{transition-duration:.01ms!important;animation-duration:.01ms!important}}