:root{--accent: #7db4ff;--accent2: #b48cff;--bg: #05070d;--panel: rgba(10, 16, 30, .92);--line: rgba(125, 180, 255, .25);--text: #dce7f7;--dim: #8fa3c0}*{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;overflow:hidden;background:var(--bg)}body{font-family:Segoe UI,Inter,system-ui,-apple-system,sans-serif;color:var(--text)}#app,#app canvas{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block}.hidden{display:none!important}.dim{color:var(--dim);font-size:12px;margin-top:10px}#landing{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at 50% 120%,#101b3a,#070b18 45%,#03040a)}.stars-bg{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background-image:radial-gradient(1px 1px at 12% 24%,#fff,transparent),radial-gradient(1px 1px at 32% 67%,#cfe0ff,transparent),radial-gradient(1.5px 1.5px at 55% 12%,#fff,transparent),radial-gradient(1px 1px at 71% 44%,#ffe9c9,transparent),radial-gradient(1px 1px at 84% 78%,#fff,transparent),radial-gradient(1.5px 1.5px at 24% 85%,#d5c9ff,transparent),radial-gradient(1px 1px at 44% 38%,#fff,transparent),radial-gradient(1px 1px at 63% 90%,#cfe0ff,transparent),radial-gradient(1px 1px at 91% 21%,#fff,transparent),radial-gradient(1.2px 1.2px at 5% 55%,#fff,transparent),radial-gradient(1px 1px at 38% 8%,#ffe9c9,transparent),radial-gradient(1px 1px at 77% 62%,#fff,transparent);opacity:.8}.landing-inner{position:relative;text-align:center;max-width:860px;padding:24px}.title{font-size:clamp(44px,8vw,92px);font-weight:200;letter-spacing:.35em;background:linear-gradient(180deg,#eaf3ff 20%,#7db4ff 70%,#4a6fd4);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 0 60px rgba(125,180,255,.35)}.subtitle{margin-top:8px;color:var(--dim);font-size:clamp(13px,2vw,17px);letter-spacing:.08em}.dataset-line{margin:22px auto 0;font-size:12px;color:var(--accent);border:1px solid var(--line);border-radius:999px;display:inline-block;padding:6px 18px;background:#0a142880}.mode-buttons{display:flex;gap:18px;justify-content:center;margin:34px 0 20px;flex-wrap:wrap}.mode-btn{width:220px;padding:22px 18px;cursor:pointer;text-align:center;background:linear-gradient(160deg,#182646d9,#0a1020e6);border:1px solid var(--line);border-radius:16px;color:var(--text);transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease;display:flex;flex-direction:column;gap:6px;align-items:center}.mode-btn:hover:not(:disabled){transform:translateY(-3px);border-color:var(--accent);box-shadow:0 8px 40px #7db4ff40}.mode-btn:disabled{opacity:.45;cursor:not-allowed}.mode-icon{font-size:34px}.mode-name{font-size:19px;font-weight:600;letter-spacing:.04em}.mode-desc{font-size:12px;color:var(--dim)}.mode-status{font-size:11px;color:var(--accent2);min-height:14px}.landing-footer{display:flex;gap:18px;justify-content:center}.text-btn{background:none;border:none;color:var(--dim);cursor:pointer;font-size:13px;padding:6px 10px;border-radius:8px}.text-btn:hover{color:var(--text);background:#7db4ff14}.provenance{margin-top:26px;font-size:11px;color:#5c6f8d;line-height:1.6}#loading-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;display:flex;flex-direction:column;gap:18px;align-items:center;justify-content:center;background:var(--bg);transition:opacity .5s ease}.loader-ring{width:54px;height:54px;border-radius:50%;border:2px solid rgba(125,180,255,.15);border-top-color:var(--accent);animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#loading-text{color:var(--dim);font-size:13px;letter-spacing:.15em}#hud{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;pointer-events:none}#hud>*{pointer-events:auto}.hud-label{font-size:10px;letter-spacing:.25em;color:var(--dim)}#hud-top-left{position:absolute;top:16px;left:16px;display:flex;flex-direction:column;gap:10px}#hud-speed{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px 16px}#speed-value{font-size:24px;font-weight:600;font-variant-numeric:tabular-nums}#speed-sub{font-size:11px;color:var(--dim)}#hud-mode{align-self:flex-start;font-size:10px;letter-spacing:.2em;color:var(--accent);border:1px solid var(--line);padding:4px 10px;border-radius:999px;background:var(--panel)}#hud-top-right{position:absolute;top:16px;right:16px;display:flex;gap:8px}.hud-btn{width:40px;height:40px;border-radius:10px;cursor:pointer;font-size:17px;background:var(--panel);border:1px solid var(--line);color:var(--text)}.hud-btn:hover{border-color:var(--accent)}.hud-btn.active{background:#7db4ff40;border-color:var(--accent)}#hud-target{position:absolute;right:16px;top:72px;width:250px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px}#target-name{font-size:17px;font-weight:600;margin:2px 0 6px}#target-info{font-size:12px;color:var(--dim);line-height:1.55;max-height:220px;overflow-y:auto}#target-actions{display:flex;gap:8px;margin-top:10px}.action-btn{flex:1;padding:8px;border-radius:8px;border:1px solid var(--accent);cursor:pointer;background:#7db4ff26;color:var(--text);font-weight:600;font-size:12px}.action-btn.secondary{border-color:var(--line);background:transparent;color:var(--dim)}.action-btn .key{opacity:.6;font-size:10px}#jump-progress{position:absolute;left:50%;bottom:96px;transform:translate(-50%);width:260px;height:6px;border-radius:3px;background:#7db4ff26;border:1px solid var(--line)}#jump-progress-fill{height:100%;width:0%;border-radius:3px;background:linear-gradient(90deg,var(--accent),#fff)}#reticle{position:absolute;left:50%;top:50%;width:6px;height:6px;margin:-3px;border-radius:50%;background:#ffffff8c;pointer-events:none;box-shadow:0 0 6px #7db4ffcc}#reticle.locked{background:var(--accent);width:10px;height:10px;margin:-5px}#hud-hint{position:absolute;bottom:16px;left:50%;transform:translate(-50%);font-size:12px;color:var(--dim);background:var(--panel);padding:6px 14px;border-radius:999px;border:1px solid var(--line)}.panel{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:min(720px,calc(100vw - 40px));max-height:min(78vh,700px);overflow-y:auto;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px 26px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:30}.panel h2{font-size:18px;font-weight:600;margin-bottom:14px;letter-spacing:.05em}.panel h3{font-size:13px;color:var(--accent);margin:12px 0 6px;letter-spacing:.08em}.panel-cols{display:grid;grid-template-columns:1fr 1fr;gap:22px}@media (max-width: 640px){.panel-cols{grid-template-columns:1fr}}.panel table{width:100%;border-collapse:collapse;font-size:12px}.panel td{padding:3px 6px;color:var(--dim);vertical-align:top}.panel td.key{color:var(--text);font-weight:600;white-space:nowrap;font-family:ui-monospace,monospace;font-size:11px}.close-btn{margin-top:16px;padding:8px 22px;border-radius:8px;cursor:pointer;border:1px solid var(--line);background:#7db4ff1a;color:var(--text)}.close-btn:hover{border-color:var(--accent)}.dest-item,.layer-item,.setting-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 10px;border-radius:10px;cursor:pointer;font-size:13px}.dest-item:hover,.layer-item:hover,.setting-item:hover{background:#7db4ff14}.dest-item .dest-cat{font-size:11px;color:var(--dim)}.dest-item .dest-dist{font-size:11px;color:var(--accent);font-variant-numeric:tabular-nums}.layer-item input,.setting-item input[type=checkbox]{accent-color:var(--accent);width:16px;height:16px}.setting-item input[type=range]{width:140px;accent-color:var(--accent)}.setting-item .setting-value{font-size:11px;color:var(--accent);width:52px;text-align:right}.dest-group-title{font-size:11px;letter-spacing:.2em;color:var(--accent);margin:12px 4px 4px}