:root{--bg1: #0f2027;--bg2: #203a43;--bg3: #2c5364;--accent: #00c6ff;--accent-2: #ff6600;--card: rgba(255, 255, 255, .06)}html,body{height:100%;margin:0;font-family:Segoe UI,Arial,sans-serif;background:linear-gradient(90deg,var(--bg1),var(--bg2),var(--bg3));color:#fff}.wrap{display:flex;flex-direction:column;min-height:100vh}header{text-align:center;padding:0 10px}header h1{font-size:20px;font-weight:600;background:linear-gradient(45deg,var(--accent),#0072ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent}header p{margin-top:6px;color:#d3dce0;font-size:13px}main{flex:1;display:flex;gap:18px;padding:10px;align-items:stretch;justify-content:center;flex-wrap:wrap}.panel{background:var(--card);border-radius:10px;padding:2px 20px;width:100%;max-width:1200px;box-sizing:border-box}.top-row{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}#spaceCanvas{display:block;width:100%;height:520px;border-radius:8px;background:radial-gradient(circle at 15% 20%,rgba(255,255,255,.02),transparent 20%)}.controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.btn{background:var(--accent);border:none;padding:8px 10px;border-radius:8px;color:#001;cursor:pointer;font-weight:600}.btn.secondary{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.08)}label{font-size:13px;color:#dbe8ef;margin-right:6px}.legend{display:flex;gap:12px;align-items:center;margin-top:8px;flex-wrap:wrap}.legend .item{display:flex;gap:6px;align-items:center;font-size:13px;color:#dbe8ef}.dot{width:12px;height:12px;border-radius:50%}.info{font-size:13px;color:#cfe7f3;margin-top:8px;line-height:1.4}footer{text-align:center;padding:.8rem;font-size:.85rem;background:#ffffff0d}footer a{color:var(--accent);text-decoration:none;margin:0 .5rem}footer a:hover{color:#fff}small.cite{display:block;color:#9fb7c3;margin-top:8px;font-size:12px}.floating-btn{position:fixed;top:12px;padding:6px;font-size:0;border:none;border-radius:6px;cursor:pointer;background:#ffffff1a;z-index:1000;transition:background .2s}.floating-btn:hover{background:#fff3}#homeBtn{left:12px;width:30px;height:30px}#homeBtn img{width:100%;height:100%;border-radius:6px}#fullscreenBtn{right:12px;font-size:1em}@media (max-width: 720px){#spaceCanvas{height:420px}}