:root{color-scheme:dark;--bg:#070b18;--muted:#9caac6;--line:#ffffff12;--accent:#93c5fd}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 15% 0,#18213b 0,transparent 50%),var(--bg);color:#edf3ff;font-family:system-ui,-apple-system,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}header,main{width:min(1240px,92%);margin:auto}header{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:30px 0;border-bottom:1px solid var(--line)}.brand{font-size:13px;font-weight:800;letter-spacing:2px}.brand span{color:var(--muted);font-weight:400}.back{font-size:13px;color:var(--muted)}.intro{padding:52px 0 30px}.eyebrow{font-size:11px;color:#a8c5ff;letter-spacing:2.5px;font-weight:700}h1{font-size:clamp(32px,5vw,60px);line-height:1.1;letter-spacing:-2px;margin:18px 0}h1 span{background:linear-gradient(90deg,#86b9ff,#b7a0ff,#ffc79b);background-clip:text;-webkit-background-clip:text;color:transparent}.intro p{color:var(--muted);max-width:650px;line-height:1.8}.intro strong{color:#dce6ff}.layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:20px}.observatory,.details{border:1px solid var(--line);background:#0c1222b3;border-radius:24px;overflow:hidden}.scene-label{display:flex;align-items:center;gap:9px;padding:22px 24px;font-size:10px;letter-spacing:2px;color:var(--muted)}.scene-label>span:last-child{margin-left:auto}.dot{width:6px;height:6px;background:#80e4c0;border-radius:50%;box-shadow:0 0 12px #80e4c0}canvas{display:block;width:100%;height:460px;touch-action:pan-y;cursor:pointer}.controls{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:16px;padding:12px 20px}.controls label{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}input{width:90px;accent-color:#a0b9ff}output{min-width:28px}button{font:inherit;color:inherit;cursor:pointer;border:1px solid #ffffff20;background:#ffffff08;border-radius:10px;padding:10px 14px;font-size:12px}button:hover{background:#ffffff12;border-color:#9fb9ff88}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid #b4cbff;outline-offset:4px}.hint{text-align:center;font-size:11px;color:var(--muted);padding:0 18px 15px;line-height:1.7}.details{padding:28px}.planet-preview{width:90px;height:90px;margin:26px auto;border-radius:50%;box-shadow:inset -22px -8px 20px #0009,0 0 45px #ffffff0c}.details h2{font-size:32px;letter-spacing:-1px;margin:0 0 10px}.details>p{color:var(--muted);font-size:13px;line-height:1.8;min-height:70px}dl{margin:24px 0}dl div{padding:12px 0;border-bottom:1px solid var(--line)}dt{font-size:11px;color:var(--muted);margin-bottom:5px}dd{margin:0;font-size:14px;font-weight:600}.fact{border-left:2px solid #ac9aff;padding:2px 0 2px 14px}.fact span{font-size:9px;letter-spacing:2px;color:#bdb0ff}.fact p{font-size:12px;color:#c0cbe1;line-height:1.7;margin-bottom:0}.choose{padding:30px 0}.choose h2{font-size:17px;font-weight:500}.planet-list{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:10px}.planet-list button{padding:17px 8px;display:flex;align-items:center;flex-direction:column;gap:12px;color:var(--muted)}.planet-list button[aria-pressed=true]{background:#9db4ff12;border-color:#9db4ff;color:white}.mini{width:24px;height:24px;border-radius:50%;box-shadow:inset -6px -2px 6px #0008}footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:26px 0 32px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}@media(max-width:900px){.layout{grid-template-columns:1fr}.details{display:grid;grid-template-columns:90px 1fr;gap:8px 24px}.details .eyebrow,.details dl,.details .fact{grid-column:1/-1}.planet-preview{margin:10px 0;grid-row:2/4}.details h2{align-self:end}.details>p{margin:0;min-height:0}.planet-list{grid-template-columns:repeat(4,1fr)}canvas{height:420px}}@media(max-width:480px){header{padding:22px 0}.brand{font-size:10px;letter-spacing:1px}.brand span{display:none}.intro{padding-top:34px}canvas{height:340px}.controls{gap:10px}.details{padding:22px}.planet-list{gap:7px}.planet-list button{font-size:11px}.intro h1{letter-spacing:-1px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}