:root{--bg:#05070c;--grid:rgba(255,255,255,.06);--text:rgba(255,255,255,.85);--muted:rgba(255,255,255,.65);--accentBlue:rgba(65, 160, 255, 0.95);--accentBlueSoft:rgba(65, 160, 255, 0.28);--accentBlueGlow:rgba(65, 160, 255, 0.22)}html,body{height:100%;margin:0;background:var(--bg);overflow:hidden;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text)}.seo-intro{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;white-space:nowrap}.topBanner{position:fixed;top:0;left:0;right:0;z-index:60;background:rgb(0 0 0 / .55);border-bottom:1px solid rgb(255 255 255 / .12);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);pointer-events:auto}.topBannerInner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;max-width:1200px;margin:0 auto}.topBannerText{min-width:0}.siteTitle{margin:0;font-size:18px;font-weight:750;letter-spacing:.2px;color:rgb(255 255 255 / .92)}.siteTagline{margin:4px 0 0;font-size:12px;color:rgb(255 255 255 / .72);line-height:1.25}.bannerClose{flex:0 0 auto;width:34px;height:34px;border-radius:12px;border:1px solid rgb(255 255 255 / .18);background:rgb(255 255 255 / .06);color:rgb(255 255 255 / .9);font-size:18px;line-height:1;cursor:pointer}.bannerClose:hover{background:rgb(255 255 255 / .10)}.bannerClose:active{transform:translateY(1px)}@media (max-width:520px){:root{--bannerH:86px}.siteTitle{font-size:16px}.siteTagline{font-size:11px}.topBannerInner{padding:10px 12px}}#viewport{position:fixed;inset:0;overflow:hidden;touch-action:none;cursor:grab;background:radial-gradient(circle at 50% 50%,rgb(255 255 255 / .08),transparent 60%),repeating-linear-gradient(0deg,var(--grid) 0 1px,transparent 1px 100px),repeating-linear-gradient(90deg,var(--grid) 0 1px,transparent 1px 100px)}#viewport.dragging{cursor:grabbing}#world{position:absolute;left:0;top:0;transform:translate3d(0,0,0);will-change:transform}.body{position:absolute;border-radius:50%;transform:translate(-50%,-50%)}#bodyA{background:radial-gradient(circle at 30% 30%,#fff6b7,#ffb300 55%,rgb(255 140 0 / .9) 85%);box-shadow:0 0 60px rgb(255 160 0 / .35),0 0 160px rgb(255 110 0 / .25),0 0 360px rgb(255 70 0 / .18)}#bodyB{background:radial-gradient(circle at 30% 30%,#b7e1ff,#1b7cff 65%,#0d2a6b 100%)}[data-theme="moon"] #bodyA,[data-theme="mars"] #bodyA,[data-theme="mercury"] #bodyA,[data-theme="venus"] #bodyA,[data-theme="pluto"] #bodyA{background:radial-gradient(circle at 30% 30%,#b7e1ff,#1b7cff 65%,#0d2a6b 100%);box-shadow:none}[data-theme="moon"] #bodyB{background:radial-gradient(circle at 30% 30%,#f7f7f7,#b9bcc5 60%,#5a5d66 100%)}[data-theme="mars"] #bodyB{background:radial-gradient(circle at 30% 30%,#ffd0b7,#ff6a2a 62%,#7a1e0a 100%)}[data-theme="mercury"] #bodyB{background:radial-gradient(circle at 30% 30%,#f2f2f2,#9a9a9a 60%,#4b4b4b 100%)}[data-theme="venus"] #bodyB{background:radial-gradient(circle at 30% 30%,#ffe7b7,#d7a24a 62%,#6a4a1a 100%)}[data-theme="pluto"] #bodyB{background:radial-gradient(circle at 30% 30%,#e6ddcf,#9d8f7a 60%,#3f372c 100%)}[data-theme="jupiter"] #bodyB,[data-theme="saturn"] #bodyB,[data-theme="uranus"] #bodyB,[data-theme="neptune"] #bodyB{background:radial-gradient(circle at 30% 30%,#b7e1ff,#1b7cff 65%,#0d2a6b 100%);box-shadow:none}[data-theme="jupiter"] #bodyA{background:radial-gradient(circle at 30% 30%,#ffe2c7,#d39b62 55%,#7a4a24 100%);box-shadow:none}[data-theme="saturn"] #bodyA{background:radial-gradient(circle at 30% 30%,#fff0c9,#d7c08a 55%,#7a6a3a 100%);box-shadow:none}[data-theme="uranus"] #bodyA{background:radial-gradient(circle at 30% 30%,#d8fff6,#7fd6c6 55%,#2b6a62 100%);box-shadow:none}[data-theme="neptune"] #bodyA{background:radial-gradient(circle at 30% 30%,#c7d9ff,#4a79ff 55%,#10266a 100%);box-shadow:none}#distanceLine{position:absolute;height:2px;background:rgb(255 255 255 / .22);transform:translate(0,-50%);pointer-events:none}.label{position:absolute;transform:translate(-50%,-50%);font-size:12px;letter-spacing:.2px;color:rgb(255 255 255 / .90);text-shadow:0 2px 8px rgb(0 0 0 / .65);pointer-events:none;white-space:nowrap}.label small{display:block;font-size:11px;color:rgb(255 255 255 / .70);margin-top:2px}#hud{position:fixed;inset:calc(12px + var(--bannerH)) 12px 12px 12px;display:flex;justify-content:space-between;align-items:flex-start;gap:12px;pointer-events:none;flex-wrap:wrap;align-content:flex-start}.panel{pointer-events:auto;background:rgb(0 0 0 / .45);border:1px solid rgb(255 255 255 / .12);border-radius:12px;padding:10px 12px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);max-width:760px;box-shadow:0 10px 30px rgb(0 0 0 / .35)}.panel.right{text-align:right}.panel h2{font-size:14px;margin:0 0 6px;font-weight:650}.panel p{margin:0;font-size:12px;color:var(--muted);line-height:1.35}.controlRow{display:flex;gap:10px;align-items:center;margin-top:8px;flex-wrap:wrap}.distanceRow{display:flex;align-items:center;gap:10px;flex-basis:100%}.btnrow{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap;align-items:center}label{font-size:12px;color:var(--text)}input[type="range"]{width:220px}input[type="number"]{width:86px;padding:7px 8px;border-radius:10px;border:1px solid rgb(255 255 255 / .14);background:rgb(0 0 0 / .25);color:var(--text);outline:none}select{padding:7px 9px;border-radius:10px;border:1px solid rgb(255 255 255 / .14);background:rgb(0 0 0 / .25);color:var(--text);outline:none}button,.hudLinkBtn{display:inline-flex;align-items:center;justify-content:center;padding:7px 10px;border-radius:10px;border:1px solid rgb(255 255 255 / .14);background:rgb(255 255 255 / .07);color:var(--text);font-size:12px;line-height:1;text-decoration:none;cursor:pointer;transition:transform .05s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease}button:hover,.hudLinkBtn:hover{background:rgb(255 255 255 / .10)}button:active,.hudLinkBtn:active{transform:translateY(1px)}.hudLinkBtn[aria-current="page"]{background:rgb(255 255 255 / .12);border-color:rgb(255 255 255 / .20)}button.primaryBtn{border-color:var(--accentBlue);background:rgb(65 160 255 / .10);box-shadow:0 0 0 1px rgb(65 160 255 / .28),0 0 14px rgb(65 160 255 / .18),0 0 28px rgb(65 160 255 / .12)}button.primaryBtn:hover{background:rgb(65 160 255 / .14);box-shadow:0 0 0 1px rgb(65 160 255 / .34),0 0 18px rgb(65 160 255 / .22),0 0 34px rgb(65 160 255 / .14)}button.primaryBtn:active{transform:translateY(1px);box-shadow:0 0 0 1px rgb(65 160 255 / .28),0 0 10px rgb(65 160 255 / .16)}.selectWrap{display:flex;gap:6px;align-items:center}.miniLabel{font-size:12px;color:var(--text)}.unitWrap{display:flex;gap:8px;align-items:center;margin-left:2px}.unitTag{font-size:12px;color:rgb(255 255 255 / .72)}.switch{position:relative;display:inline-block;width:44px;height:24px}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;inset:0;background:rgb(255 255 255 / .12);transition:.2s;border-radius:999px;border:1px solid rgb(255 255 255 / .18)}.slider:before{position:absolute;content:"";height:18px;width:18px;left:3px;top:50%;transform:translateY(-50%);background:rgb(255 255 255 / .9);transition:.2s;border-radius:999px}.switch input:checked+.slider:before{transform:translate(20px,-50%)}#distanceBar{position:fixed;left:50%;transform:translateX(-50%);bottom:14px;width:min(780px, calc(100% - 24px));height:38px;pointer-events:none}#distanceTrack{position:absolute;inset:0;border-radius:999px;border:1px solid rgb(255 255 255 / .14);background:rgb(0 0 0 / .35);backdrop-filter:blur(8px)}#distanceThumb{position:absolute;top:50%;width:14px;height:14px;border-radius:50%;background:rgb(255 255 255 / .85);transform:translate(-50%,-50%);box-shadow:0 0 14px rgb(255 255 255 / .25)}#distanceLabels{position:absolute;inset:0;display:flex;align-items:center;justify-content:space-between;padding:0 12px;font-size:11px;color:rgb(255 255 255 / .65)}#distanceReadout{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:11px;color:rgb(255 255 255 / .78);white-space:nowrap}#hud .panel{flex:1 1 360px;min-width:280px}details.panel>summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:10px;user-select:none}details.panel>summary::-webkit-details-marker{display:none}.panelToggle{width:26px;height:26px;border-radius:10px;border:1px solid rgb(255 255 255 / .18);background:rgb(255 255 255 / .06);position:relative}.panelToggle::before,.panelToggle::after{content:"";position:absolute;width:12px;height:2px;background:rgb(255 255 255 / .85);top:50%;left:50%;transform:translate(-50%,-50%)}.panelToggle::after{transform:translate(-50%,-50%) rotate(90deg)}details[open] .panelToggle::after{opacity:0}.panelBody{margin-top:8px}details:not([open]) .panelBody{display:none}@media (max-width:520px){#hud{gap:8px;bottom:auto}#hud .panel{flex-basis:100%;min-width:0}input[type="range"]{width:170px}input[type="number"]{width:76px}button,.hudLinkBtn{padding:6px 9px;font-size:11px}}#scaleNumbersPanel{position:fixed;left:12px;right:12px;bottom:64px;max-width:760px;margin:0 auto;z-index:20}#hud>details.panel{margin-left:auto;margin-right:auto}.scaleTopRow{display:flex;justify-content:flex-end;gap:10px;margin-bottom:8px}.safeModeWrap{display:flex;align-items:center;gap:8px}