*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;width:100%;height:100%;background:#030407;overflow:hidden;color:#fff;
 font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif}
.brand,h2,h3{font-family:"Eurostile","Bank Gothic","Orbitron","Trebuchet MS","Segoe UI",system-ui,sans-serif}
[hidden]{display:none!important}
#space-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:1;cursor:crosshair;touch-action:none}
#solar-system{position:absolute;inset:0;z-index:5;pointer-events:none}
#ui-layer{position:absolute;inset:0;z-index:10;pointer-events:none;display:flex;flex-direction:column;justify-content:space-between;padding:24px 28px}
header{pointer-events:auto;width:max-content;max-width:100%}
.brand{margin:0;font-size:clamp(24px,4vw,40px);font-weight:900;text-transform:uppercase;letter-spacing:.3em;
 background:linear-gradient(90deg,#fff,#4b9aff,#b624ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
 filter:drop-shadow(0 0 14px rgba(75,154,255,.35));user-select:none}
.sub{margin:4px 0 0;font-size:13px;color:#9aa3b5;opacity:.75;font-weight:300;user-select:none}
.toast{position:absolute;top:24px;right:28px;max-width:calc(100% - 56px);display:flex;gap:12px;align-items:center;padding:10px 16px;
 border-radius:12px;font-size:12px;color:#c5cad6;background:rgba(10,15,30,.65);border:1px solid rgba(255,255,255,.12);
 backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);animation:fadeOut 9s forwards}
.toast b{color:#fff}
.dot{flex:none;width:8px;height:8px;border-radius:50%;background:#60a5fa;animation:pulse 1.6s infinite}
@keyframes pulse{50%{opacity:.35}}
@keyframes fadeOut{0%,75%{opacity:1;transform:none}100%{opacity:0;transform:translateY(-16px);visibility:hidden}}
.stage{flex:1;display:flex;align-items:center;justify-content:flex-end;width:100%;max-width:1280px;margin:0 auto;min-height:0}
.glass{position:relative;pointer-events:auto;width:384px;max-width:100%;max-height:100%;overflow:auto;padding:28px;border-radius:20px;
 background:rgba(10,15,30,.68);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
 border:1px solid rgba(255,255,255,.1);border-top-color:rgba(255,255,255,.2);border-left-color:rgba(255,255,255,.2);
 box-shadow:0 25px 50px -12px rgba(0,0,0,.55);transform:translateY(20px);opacity:0;
 transition:transform .4s cubic-bezier(.175,.885,.32,1.275),opacity .4s}
.glass.active{transform:none;opacity:1}
.close{position:absolute;top:20px;right:20px;background:none;border:0;color:#9aa3b5;cursor:pointer;padding:4px;transition:color .2s,transform .2s}
.close:hover{color:#ff4b4b;transform:rotate(90deg)}
.head{display:flex;align-items:center;gap:16px;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.1);padding-right:28px}
.icon{flex:none;width:48px;height:48px;border-radius:50%}
h2{margin:0 0 6px;font-size:22px;font-weight:700;letter-spacing:.03em}
.tag{display:inline-block;font:11px/1 ui-monospace,Consolas,monospace;text-transform:uppercase;letter-spacing:.14em;color:#60a5fa;background:rgba(96,165,250,.1);padding:5px 8px;border-radius:5px}
.desc{margin:16px 0;font-size:14px;line-height:1.65;font-weight:300;color:#d1d5de}
.facts{background:rgba(0,0,0,.3);border:1px solid rgba(255,255,255,.06);border-radius:10px;padding:14px 16px}
.facts h3{margin:0 0 10px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.16em;color:#7b8294}
.facts ul{margin:0;padding-left:18px;font-size:14px;line-height:1.55;font-weight:300;color:#d1d5de}
.facts li{margin:0 0 8px}.facts li::marker{color:#3b82f6}
footer{pointer-events:none;font-size:11px;color:#5d6577;text-align:center;letter-spacing:.04em;user-select:none}
.orbit-ring{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);border:1px dashed rgba(255,255,255,.07);border-radius:50%;pointer-events:none}
.celestial-body{position:absolute;border-radius:50%;pointer-events:auto;cursor:pointer;transform:translate(-50%,-50%);
 transition:transform .3s,box-shadow .3s;will-change:left,top}
.celestial-body:hover{z-index:20;filter:brightness(1.2)}
.noscript{position:absolute;inset:0;z-index:50;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#030407;text-align:center;padding:24px}
@media (max-width:767px){
 #ui-layer{padding:16px}.toast{top:78px;bottom:auto;right:16px;left:16px;max-width:none}
 .stage{align-items:flex-end;justify-content:center;padding-bottom:36px}.glass{width:100%;padding:20px;max-height:62%}
 .brand{letter-spacing:.2em}
}
@media (prefers-reduced-motion:reduce){.toast,.dot{animation:none}}