:root{--bg:#070a12;--panel:#0c1120;--panel-raised:#121a2c;--line:#1d2740;--text:#dde5f3;--muted:#8794ad;--accent:#6ea8fe;--radius:12px;--font:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;margin:0;font-size:15px;line-height:1.6}#stage-canvas{z-index:1;pointer-events:none;width:100%;height:100%;position:fixed;inset:0}.page{max-width:1500px;margin:0 auto;padding:32px 24px 80px;position:relative}.masthead{max-width:60ch;margin-bottom:28px}.masthead h1{letter-spacing:-.02em;margin:0 0 10px;font-size:clamp(26px,3.2vw,40px);line-height:1.15}.masthead p{color:var(--muted);margin:0}.stage{grid-template-columns:minmax(300px,30%) minmax(0,1fr);align-items:start;gap:18px;display:grid}.viewport{background:0 0}.globe-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.globe-panel .viewport{aspect-ratio:1;touch-action:none;cursor:default}.globe-panel .hint{border-top:1px solid var(--line);color:var(--muted);margin:0;padding:10px 16px;font-size:13px}.sky-side{flex-direction:column;gap:10px;min-width:0;display:flex}.sky-toolbar{background:var(--panel);border:1px solid var(--line);border-radius:10px;align-items:center;gap:12px;padding:6px 10px;display:flex}.segmented{border:1px solid var(--line);background:#0a0f1c;border-radius:8px;padding:2px;display:flex}.segmented button{color:var(--muted);background:0 0;border:0;border-radius:6px;padding:5px 14px;font-size:12.5px}.segmented button:hover{color:var(--text)}.segmented button.is-on{background:var(--panel-raised);color:var(--text);font-weight:600}.toolbar-hint{color:var(--muted);font-size:12px}.toolbar-hint[hidden]{display:none}.sky-column{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.sky-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:12px;transition:border-color .18s}.sky-panel.is-active{border-color:color-mix(in srgb, var(--accent) 70%, transparent)}.sky-panel>header{align-items:baseline;gap:8px;margin-bottom:10px;display:flex}.badge{background:var(--accent);border-radius:50%;flex:none;align-self:center;width:11px;height:11px}.sky-panel .name{font-weight:600}.sky-panel .coords{color:var(--muted);font-variant-numeric:tabular-nums;margin-left:auto;font-size:12px}.sky-panel select{width:100%;margin-top:10px;padding:5px 8px;font-size:12px}.disc{aspect-ratio:1;border-radius:var(--radius);touch-action:none;position:relative;overflow:hidden}.is-first-person .disc{cursor:grab}.disc .viewport{position:absolute;inset:0}.disc .daylight{z-index:2;opacity:0;mix-blend-mode:screen;pointer-events:none;background:radial-gradient(circle,#3f6ea8 0%,#2a5182 70%,#1d3c63 100%);border-radius:50%;position:absolute;inset:5%}.disc .mask{z-index:2;box-shadow:0 0 0 400px var(--panel);border:1px solid var(--line);pointer-events:none;border-radius:50%;position:absolute;inset:5%}.disc .ground{z-index:2;pointer-events:none;background:linear-gradient(#0e1424,#070a12);border-top:1px solid #4d5f80;display:none;position:absolute;bottom:0;left:0;right:0}.is-first-person .disc .ground{display:block}.is-first-person .disc .daylight{border-radius:0;inset:0}.is-first-person .disc .mask{box-shadow:none;border-radius:0;inset:0}.is-first-person .cardinal{transform:translate(-50%,6px)}.cardinal{z-index:3;color:var(--muted);letter-spacing:.08em;pointer-events:none;font-size:11px;font-weight:600;position:absolute;transform:translate(-50%,-50%)}.cardinal.n{top:2.5%;left:50%}.cardinal.s{top:97.5%;left:50%}.cardinal.e{top:50%;left:2.5%}.cardinal.w{top:50%;left:97.5%}.pole{z-index:3;pointer-events:none;width:0;height:0;position:absolute}.pole-dot{opacity:.9;border:1.5px solid #fff;border-radius:50%;width:9px;height:9px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.pole span{white-space:nowrap;color:#fff;opacity:.75;text-shadow:0 0 6px #000;font-size:10px;position:absolute;top:50%;left:9px;transform:translateY(-50%)}.verdict{color:var(--muted);margin:10px 0 0;font-size:12.5px;line-height:1.5}.verdict strong{color:var(--text);font-weight:600}.controls{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:20px;padding:14px 18px;display:flex}.control{align-items:center;gap:8px;font-size:13px;display:flex}.control>label{color:var(--muted)}button,select{background:var(--panel-raised);color:var(--text);border:1px solid var(--line);font:inherit;cursor:pointer;border-radius:8px;padding:7px 12px;font-size:13px}button:hover,select:hover{border-color:#2f3f61}button:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.play{min-width:96px;font-weight:600}.clock{font-variant-numeric:tabular-nums;color:var(--text);min-width:20ch;font-size:13px}input[type=range]{width:170px;accent-color:var(--accent)}.readout{font-variant-numeric:tabular-nums;min-width:8ch;color:var(--text)}.toggles{flex-wrap:wrap;gap:6px 14px;margin-left:auto;display:flex}.toggle{color:var(--muted);cursor:pointer;align-items:center;gap:6px;font-size:13px;display:flex}.toggle input{accent-color:var(--accent);cursor:pointer}.model{border-top:1px solid var(--line);margin-top:46px;padding-top:34px}.model h2{letter-spacing:-.01em;margin:0 0 8px;font-size:22px}.model>p{max-width:78ch;color:var(--muted);margin:0 0 20px}.note{border-left:2px solid var(--line);color:#6d7a92;max-width:78ch;margin:-8px 0 16px;padding-left:12px;font-size:13px}.control-note{color:var(--muted);margin:0;font-size:12px}.credits{color:#5f6b83;margin-top:26px;font-size:12px}.credits a{color:#7d8ba5;border-bottom:1px solid #2a3550;text-decoration:none}.credits a:hover{color:var(--text)}.loading{z-index:10;background:var(--bg);color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:14px;font-size:14px;transition:opacity .4s;display:flex;position:fixed;inset:0}.loading.is-done{opacity:0;pointer-events:none}.loading-bar{background:var(--line);width:160px;height:2px;overflow:hidden}.loading-bar:after{content:"";background:var(--accent);width:40%;height:100%;animation:1.1s ease-in-out infinite slide;display:block}@keyframes slide{0%{transform:translate(-100%)}to{transform:translate(350%)}}@media (prefers-reduced-motion:reduce){.loading-bar:after{width:100%;animation:none}}@media (width<=1180px){.stage{grid-template-columns:minmax(0,1fr)}.globe-panel .viewport{aspect-ratio:16/10}.toggles{margin-left:0}}@media (width<=720px){.sky-column{grid-template-columns:minmax(0,1fr)}}