:root{color-scheme:dark;--bg:#07141f;--panel:#0c1f2c;--ink:#e4eef0;--muted:#9ab0bb;--line:#29434f;--accent:#f0ac72;--ice:#a8dddb;--sans:'DM Sans',system-ui,sans-serif;--serif:'Instrument Serif',Georgia,serif;font:16px var(--sans);background:var(--bg);color:var(--ink)}*{box-sizing:border-box}body{margin:0}button,select,input{font:inherit}button,a,select,input{touch-action:manipulation}button{cursor:pointer;color:inherit;background:none;border:0}button:disabled{opacity:.45;cursor:wait}a{color:var(--ice)}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button:hover:not(:disabled){color:#fff}p{line-height:1.65}h1,h2,h3,p{margin-top:0}[hidden]{display:none!important}.masthead{height:76px;display:flex;justify-content:space-between;align-items:center;padding:0 30px;border-bottom:1px solid var(--line);gap:20px}.brand{font-size:.9rem;color:var(--ink);text-decoration:none;letter-spacing:.08em;font-weight:650;white-space:nowrap}.brand b{font-weight:650;color:var(--accent)}.brand>span{display:inline-block;font-size:.75rem;color:var(--muted);font-weight:400;letter-spacing:.1em;border-left:1px solid var(--line);padding-left:17px;margin-left:17px}.masthead nav{display:flex;gap:24px;align-items:center}.masthead nav a,.masthead nav button{font-size:.875rem;color:var(--muted);text-decoration:none;padding:8px 0}.lab{height:calc(100svh - 76px);min-height:780px;display:grid;grid-template-columns:310px minmax(0,1fr);grid-template-rows:minmax(0,1fr) 181px;grid-template-areas:'panel earth' 'panel time'}.earth-stage{grid-area:earth;position:relative;overflow:hidden;background:radial-gradient(ellipse at 50% 53%,#14394a 0,#0a2233 41%,#07141f 75%)}#globe{position:absolute;inset:0;cursor:grab;touch-action:none}#globe:active{cursor:grabbing}#globe canvas{display:block;width:100%;height:100%}.stage-top{position:absolute;top:26px;left:30px;right:30px;display:flex;align-items:flex-start;justify-content:space-between;pointer-events:none;gap:15px}.eyebrow,.panel-kicker{font-size:.75rem;letter-spacing:.13em;color:var(--accent);line-height:1.5}.stage-label h1{font:400 2.1rem var(--serif);margin:7px 0 0}.surface-switch{display:flex;gap:3px;background:#0c2232df;border:1px solid #35505d;padding:4px;border-radius:6px;pointer-events:auto}.surface-switch button{border-radius:3px;padding:10px 15px;font-size:.875rem;white-space:nowrap;color:var(--muted)}.surface-switch button[aria-pressed=true]{background:var(--accent);color:#14212b}.epoch{position:absolute;left:30px;top:134px;display:flex;flex-direction:column;gap:9px;pointer-events:none;max-width:310px}.epoch>span:first-child{font-size:.75rem;color:var(--ice);letter-spacing:.11em;line-height:1.5}.epoch strong{font:400 1.6rem var(--serif);line-height:1.2}.epoch>span:last-child{font-size:.8125rem;color:var(--muted);line-height:1.6;max-width:265px}.camera-tools{position:absolute;right:26px;top:112px;display:flex;flex-direction:column;gap:7px}.camera-tools button{width:41px;height:41px;background:#0e2737ce;border:1px solid #35515e;border-radius:5px;font-size:1.4rem;color:#c5d9df}.camera-tools button:last-child{font-size:.875rem}.stage-foot{position:absolute;bottom:18px;left:30px;right:30px;display:flex;justify-content:space-between;gap:20px;font-size:.75rem;color:var(--muted);pointer-events:none}.control-panel{grid-area:panel;padding:29px 25px 22px;overflow-y:auto;border-right:1px solid var(--line);background:linear-gradient(165deg,#102634,var(--panel) 60%)}.panel-kicker{color:var(--muted);letter-spacing:.08em}.control-panel>h2{font:400 2.25rem/1.05 var(--serif);margin:17px 0}.panel-intro{color:#b7cad1;font-size:1rem;line-height:1.65;margin-bottom:28px}.field-label{display:block;font-size:.875rem;color:#c8dadd;margin-bottom:11px}select{background:#102b3c;border:1px solid #41616e;border-radius:4px;color:var(--ink);padding:11px 9px;font-size:.875rem;cursor:pointer}#motion-mode{width:100%}.input-note{font-size:.8125rem;color:var(--muted);line-height:1.6;margin:12px 0 19px}.quick-views{display:flex;gap:10px}.quick-views button{border:1px solid #40606b;border-radius:4px;font-size:.875rem;flex:1;padding:10px 5px}.quick-views button:first-child{border-color:#9d754f;color:var(--accent)}.divider{height:1px;background:var(--line);margin:27px 0 23px}.section-title{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:12px}.section-title h3{font-size:.875rem;font-weight:500;margin:0}.section-title button{font-size:.8125rem;color:var(--accent)}.continent-list{display:grid;grid-template-columns:1fr 1fr;gap:6px}.continent-button{display:flex;align-items:center;gap:8px;padding:10px 7px;text-align:left;font-size:.875rem;color:#b6cbd3;border:1px solid transparent;border-radius:4px;line-height:1.3;min-height:43px}.continent-button .swatch{width:7px;height:7px;border-radius:50%;background:var(--swatch);flex-shrink:0}.continent-button[aria-pressed=true]{border-color:#648697;background:#193a4b;color:#fff}#continent-detail{margin-top:17px;padding:16px;background:#071a25c9;border:1px solid var(--line);border-radius:5px}#continent-name{font:400 1.45rem var(--serif)}#continent-description{font-size:.8125rem;color:var(--muted);line-height:1.6;margin:8px 0 15px}#continent-detail>div{display:flex;flex-wrap:wrap;gap:3px 8px;justify-content:space-between;font-size:.75rem;margin-top:9px;color:var(--muted)}#continent-detail strong{font-weight:450;color:#e1ebeb;font-variant-numeric:tabular-nums}.display-options{margin-top:27px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0}.display-options summary{font-size:.875rem;color:var(--ice);cursor:pointer}.display-options>label:first-of-type{display:flex;justify-content:space-between;font-size:.875rem;margin:21px 0 12px}.display-options output{color:var(--accent)}input[type=range]{width:100%;accent-color:var(--accent);cursor:pointer}.display-options>input{margin-bottom:19px}.check{display:flex;gap:10px;align-items:center;font-size:.875rem;color:#bacdd3;line-height:1.5;padding:8px 0}.check input{width:16px;height:16px;margin:0;accent-color:var(--accent)}.model-caption{margin-top:24px;display:grid;grid-template-columns:18px 1fr;gap:10px}.caption-rule{height:1px;background:var(--accent);margin-top:8px}.model-caption p{font-size:.75rem;line-height:1.65;color:var(--muted);margin-bottom:5px}.model-caption button{grid-column:2;font-size:.75rem;color:var(--ice);padding:0;text-align:left}.timeline-panel{grid-area:time;border-top:1px solid #385564;padding:21px 30px 18px;background:#0b1f2d;z-index:3}.playback-row{display:flex;gap:17px;align-items:center}.play-button{display:flex;gap:12px;justify-content:center;align-items:center;min-width:177px;border-radius:4px;padding:12px 19px;background:var(--accent);color:#172631;font-size:.9375rem}.play-button:hover:not(:disabled){background:#ffc48e;color:#101b22}.play-button>span{font-size:.8rem}.reset-button{font-size:1.8rem;padding:1px 4px}.speed-control{display:flex;gap:8px;align-items:center;font-size:.8125rem;color:var(--muted)}.speed-control select{padding:8px 9px}.progress-readout{margin-left:auto;display:flex;align-items:baseline;gap:12px;font-variant-numeric:tabular-nums}.progress-readout strong{font:400 1.9rem var(--serif);color:var(--ice)}.progress-readout span{font-size:.8125rem;color:var(--muted)}#timeline{height:5px;margin:24px 0 15px;display:block}.timeline-stops{display:flex;justify-content:space-between;gap:12px}.timeline-stops button{color:#bdced4;font-size:.8125rem;padding:0;text-align:center}.timeline-stops button:first-child{text-align:left;color:var(--accent)}.timeline-stops button:last-child{text-align:right}.timeline-note{display:flex;justify-content:space-between;gap:20px;font-size:.75rem;color:#819fae;margin-top:17px;line-height:1.4}#labels{position:absolute;inset:0;pointer-events:none}.continent-label{position:absolute;left:0;top:0;font-size:.8125rem;text-shadow:0 1px 4px #000,0 0 8px #04111d;white-space:nowrap;pointer-events:auto;padding:4px 7px;color:#eef4ec;background:#09202ab5;border:1px solid #50677090;border-radius:4px;will-change:transform}.continent-label.active{color:var(--accent);border-color:#a77951}.continent-label:before{content:'';display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--swatch);margin-right:7px;vertical-align:2px}#loading,#load-error{position:absolute;left:50%;top:52%;transform:translate(-50%,-50%);width:300px;text-align:center;padding:28px;background:#0a1d2eef;border:1px solid #3c5968;border-radius:7px}#loading p{font-size:.9375rem;margin:19px 0 0;color:var(--muted)}.loading-ring{display:block;width:32px;height:32px;border:1px solid #496977;border-top-color:var(--accent);border-radius:50%;margin:auto;animation:spin 1.5s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#load-error h2{font:400 1.8rem var(--serif)}#load-error p{font-size:.875rem;color:var(--muted)}#load-error button{border:1px solid var(--accent);padding:10px 20px;border-radius:4px;color:var(--accent)}dialog{width:calc(100% - 32px);max-width:720px;max-height:85svh;border:1px solid #496671;border-radius:8px;padding:35px 37px;background:#0d2432;color:var(--ink);overflow-y:auto;box-shadow:0 25px 90px #0009}dialog::backdrop{background:#02111bca;backdrop-filter:blur(6px)}.dialog-close{position:absolute;right:17px;top:13px;font-size:1.75rem;padding:0 8px;color:var(--muted)}dialog h2{font:400 2.5rem var(--serif);margin:13px 0 23px}dialog h3{font-size:1.0625rem;font-weight:500;color:#dfbd9c;margin:24px 0 12px}dialog p,dialog li{font-size:1rem;line-height:1.75;color:#bdcfd6}dialog li{margin-bottom:9px}dialog ul{padding-left:21px}dialog .fine-print{font-size:.8125rem;color:var(--muted)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1600px){.lab{grid-template-columns:330px minmax(0,1fr)}.control-panel{padding:32px 29px}.earth-stage .epoch{top:144px}.stage-top,.epoch{left:39px}.stage-top{right:36px}.timeline-panel{padding-left:40px;padding-right:40px}}
@media(max-width:1100px){.masthead{padding:0 23px}.brand>span{display:none}.lab{grid-template-columns:275px minmax(0,1fr)}.control-panel{padding:25px 20px}.control-panel>h2{font-size:2rem}.stage-top{left:23px;right:23px}.stage-label h1{font-size:1.8rem}.surface-switch button{padding:10px 11px;font-size:.8125rem}.epoch{left:23px;max-width:230px}.epoch strong{font-size:1.45rem}.epoch>span:last-child{max-width:200px}.timeline-panel{padding-left:23px;padding-right:23px}.timeline-note>span:last-child{display:none}.progress-readout{display:block;text-align:right}.progress-readout strong{font-size:1.6rem;display:block}.progress-readout span{font-size:.75rem}.stage-foot span:last-child{display:none}}
@media(max-width:800px){.masthead{height:64px;padding:0 18px}.masthead nav{gap:17px}.masthead nav a{display:none}.brand{font-size:.8125rem}.lab{height:auto;min-height:0;grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(520px,calc(100svh - 259px)) 195px auto;grid-template-areas:'earth' 'time' 'panel'}.earth-stage{min-height:520px}.control-panel{border-right:0;border-top:1px solid var(--line);padding:28px 25px}.control-panel>h2{font-size:2.4rem;margin:12px 0}.panel-intro br{display:none}.panel-intro{margin-bottom:22px}#motion-mode,.quick-views,.input-note,.display-options,.continent-list,#continent-detail{max-width:540px}.divider{max-width:540px}.section-title{max-width:540px}.continent-list{grid-template-columns:repeat(3,1fr)}.continent-button{padding:12px 8px}.model-caption{max-width:540px}.stage-top{top:20px;left:20px;right:20px}.epoch{top:126px;left:20px}.epoch>span:last-child{max-width:250px}.camera-tools{right:20px;top:108px}.timeline-panel{padding:18px 22px}.timeline-note{margin-top:16px}.stage-foot{left:20px;bottom:13px}.progress-readout{display:flex;align-items:center;gap:8px}.progress-readout span{max-width:65px;text-align:left}.timeline-stops button{font-size:.75rem}.timeline-panel .play-button{font-size:.875rem;min-width:167px}.timeline-panel .playback-row{gap:14px}dialog{padding:30px 26px}}
@media(max-width:520px){.earth-stage{min-height:490px}.lab{grid-template-rows:minmax(490px,calc(100svh - 267px)) 203px auto}.stage-top{top:17px;left:16px;right:16px;display:block}.stage-label{display:flex;align-items:baseline;gap:13px}.stage-label h1{font-size:1.8rem;margin:0}.stage-label .eyebrow{font-size:.6875rem;letter-spacing:.08em}.surface-switch{width:max-content;margin-top:17px}.surface-switch button{font-size:.875rem;padding:8px 14px}.epoch{top:131px;left:18px;gap:6px;max-width:225px}.epoch strong{font-size:1.35rem}.epoch>span:first-child{font-size:.6875rem}.epoch>span:last-child{display:none}.camera-tools{top:128px;right:15px;gap:6px}.camera-tools button{width:35px;height:35px}.stage-foot{font-size:.6875rem;left:17px}.timeline-panel{padding:17px 16px}.playback-row{gap:10px!important;flex-wrap:wrap}.timeline-panel .play-button{padding:10px 12px;min-width:158px}.reset-button{font-size:1.6rem}.speed-control{font-size:.75rem;gap:5px;margin-left:auto}.speed-control select{padding:7px 6px}.progress-readout{position:absolute;right:19px;margin-top:-70px;display:block;pointer-events:none}.progress-readout strong{font-size:1.5rem}.progress-readout span{display:none}#timeline{margin-top:24px}.timeline-stops{gap:8px}.timeline-stops button{font-size:.75rem;max-width:83px;line-height:1.4}.timeline-note{font-size:.6875rem;line-height:1.55;margin-top:14px}.continent-list{grid-template-columns:repeat(2,1fr)}.continent-button{font-size:.9375rem}.continent-label{font-size:.75rem;padding:3px 5px}.control-panel{padding:26px 23px}.masthead nav button{font-size:.8125rem}.panel-kicker{font-size:.75rem}.display-options .check{font-size:.9375rem}dialog h2{font-size:2rem}}
@media(prefers-reduced-motion:reduce){.loading-ring{animation:none}}