:root{--bg: #000000;--surface: #181818;--panel: #202020;--line: #202020;--line-strong: #494949;--text: #ffffff;--body: #7d7d7d;--muted: #969696;--soft: #666666;--accent: #ffc000;--accent-hover: #917300;--gold: #ffc000;--gold-text: #ffce3e;--green: #3dd68c;--hand-point: #62d8ff;--hand-grab: #ffc000;--hand-open: #3dd68c;--hand-none: #8a94a6}*,*:before,*:after{box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:Roboto,Helvetica Neue,Arial,sans-serif;font-weight:400}button,input,select{font:inherit}button{border:0;background:none;color:inherit;cursor:pointer}a{color:inherit;text-decoration:none}#canvas-container{position:fixed;inset:0}.ui-layer{position:fixed;inset:0;padding:24px;pointer-events:none}.top-bar{width:min(760px,calc(100% - 328px))}.top-bar-left,.control-panel,.panel{pointer-events:auto}.right-rail{position:absolute;top:24px;right:24px;width:256px;max-height:calc(100vh - 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li.is-done .hand-coach-num{border-color:var(--green);background:#3dd68c26;color:var(--green)}@media(prefers-reduced-motion:reduce){.gesture-icon-target,.gesture-icon-grab .gesture-icon-palm,.gesture-icon-grab .gesture-icon-crease,.gesture-icon-hold{animation:none}.gesture-icon-hold{stroke-dashoffset:.35}}.hand-mode-button{width:100%;min-height:32px;margin-top:10px;border:1px solid var(--line-strong);background:var(--surface);color:var(--text);font-size:11px;font-weight:500;letter-spacing:.96px;text-transform:uppercase;transition:border-color .3s ease,background-color .3s ease,color .3s ease,opacity .3s ease}.hand-mode-button:hover,.hand-mode-button.is-active{border-color:var(--accent);background:var(--panel)}.hand-mode-button.is-error{border-color:#da6a6a;color:#ffd2d2}.hand-mode-button:disabled{cursor:wait;opacity:.72}#planet-panel{position:absolute;left:24px;bottom:24px;width:min(360px,100%);max-height:min(480px,calc(100vh - 220px));padding:22px 24px;overflow:auto}#planet-name{margin:10px 0 4px;color:var(--text);font-size:clamp(27px,3vw,40px);font-weight:400;line-height:1.15;text-transform:uppercase}.planet-type{color:var(--gold-text);font-size:12px;font-weight:500;letter-spacing:.96px;text-transform:uppercase}#planet-description{margin:14px 0 18px;color:var(--body);font-size:16px;line-height:1.5}.fact-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 18px}.fact-value{display:block;margin-top:5px;color:var(--text);font-size:14px;font-weight:400}.atmosphere-label{margin-top:22px}.atmosphere-list{display:grid;gap:7px;margin:12px 0 0;padding:0;list-style:none}.atmosphere-list li{color:var(--body);font-size:14px;line-height:1.55}.atmosphere-list li:before{content:"— ";color:var(--gold-text);opacity:.75}.scale-note{margin:18px 0 0;padding-top:14px;border-top:1px solid 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16px;overflow-y:auto}#planet-name{margin-top:4px;font-size:24px}.control-panel{padding:10px 12px}.sim-date{margin:4px 0 8px;font-size:15px}.body-select{margin-top:6px}}