:root{color-scheme:dark;--bg:#080e19;--panel:#101927;--line:#ffffff12;--text:#e9f0f7;--muted:#8a9aad;--mint:#61dfcb;--gold:#edc27c;--orange:#fa9d72}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 48% 35%,#14223688,transparent 55%),var(--bg);color:var(--text);font-family:'Space Grotesk','Noto Sans SC',sans-serif;font-size:13px}button,input,select{font:inherit}button{cursor:pointer;color:inherit;background:#ffffff05;border:1px solid var(--line);border-radius:7px;padding:9px 12px;transition:background .2s,border-color .2s}button:hover{background:#ffffff10;border-color:#61dfcb77}button.active{color:var(--mint);background:#61dfcb12;border-color:#61dfcb55}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--mint);outline-offset:3px}header{height:82px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 3.5%;gap:20px}.brand{display:flex;align-items:center;gap:11px;color:var(--text);text-decoration:none;font-size:23px;font-weight:600;letter-spacing:3px}.brand-icon{font-size:40px;font-weight:400;color:var(--mint)}.brand small{display:block;font-size:8px;letter-spacing:2.7px;color:var(--muted);margin-top:3px}nav{display:flex;gap:32px;align-items:center;color:var(--muted)}nav button{border:0;background:transparent;color:var(--muted)}.nav-active{color:var(--mint);position:relative}.nav-active:after{content:'';position:absolute;bottom:-30px;left:0;width:100%;height:2px;background:var(--mint)}.header-right{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:11px}.live-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--mint);box-shadow:0 0 8px #61dfcb88}.round{border:0;font-size:18px;padding:7px;margin-left:16px}main{max-width:1800px;margin:auto;padding:32px 3.5% 0}.intro{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.eyebrow{font-size:9px;letter-spacing:3px;color:var(--mint)}h1{font-size:28px;letter-spacing:1px;font-weight:500;margin:10px 0}p{line-height:1.8}.intro p{color:var(--muted);margin:8px 0 0;font-size:12px}.intro-meta{display:flex;gap:14px;flex-direction:column;align-items:flex-end;color:var(--muted);font-size:11px}.intro-meta b{margin-left:16px;color:var(--gold);font-size:17px}.lab-grid{display:grid;grid-template-columns:244px minmax(360px,1fr) 282px;gap:16px;align-items:stretch}.panel{background:linear-gradient(140deg,#142032c7,#0f1724ee);border:1px solid var(--line);border-radius:12px;padding:19px;box-shadow:0 15px 40px #0000000c}.panel-heading{display:flex;align-items:center;gap:9px;margin-bottom:20px}.panel-heading h2{font-size:13px;font-weight:500;margin:0}.tiny-square{height:6px;width:6px;border:1px solid var(--mint)}.gold-bg{border-color:var(--gold)}.micro{margin-left:auto;font-size:10px;color:#647487}.controls-panel section{border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:18px}.controls-panel section:last-child{border:0;margin-bottom:0;padding-bottom:0}.section-label{display:flex;justify-content:space-between;color:#c2ccd8;font-size:11px;margin:0 0 10px}.section-label span{color:#728398;font-size:9px}.season-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.season-grid button{padding:10px;font-size:12px;text-align:left}.season-grid button span{margin-right:8px;color:var(--gold)}.season-grid small{display:block;margin-top:6px;font-size:9px;color:var(--muted)}.quiet{font-size:10px;color:#8192a6;line-height:1.8;margin:10px 0 0}input[type=date],input[type=time],input[type=search],select{min-width:0;width:100%;border:1px solid #ffffff16;color:#d9e5ee;background:#080f1bb3;border-radius:6px;padding:9px;font-size:11px}input[type=date]{font-family:'Space 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.15s}input[type=checkbox]:checked{background:#366a65}input[type=checkbox]:checked:before{transform:translateX(12px);background:var(--mint)}.key{display:inline-block;width:6px;height:6px;vertical-align:middle;border-radius:50%;margin-right:5px}.mint{background:var(--mint)}.orange{background:var(--orange)}.gold{background:var(--gold)}.navy{background:#25334a}.scene-panel{min-height:740px;border-radius:12px;position:relative;overflow:hidden;border:1px solid var(--line);background:radial-gradient(ellipse at center,#12284250,transparent 65%),#080f1c}.scene-toolbar{position:absolute;z-index:3;top:18px;left:20px;right:20px;display:flex;justify-content:space-between;align-items:center}.segmented{display:flex;background:#0c1725cc;border:1px solid var(--line);border-radius:8px;padding:3px;backdrop-filter:blur(8px)}.segmented button{padding:8px 15px;border:0;font-size:11px}.segmented button.active{background:#2a3d49;color:#d4fff6}.icon-button{padding:7px 10px;background:#14203299;font-size:17px}#scene{position:absolute;inset:0}#scene canvas{width:100%;height:100%;display:block;touch-action:none}#loading{position:absolute;inset:40% 0 auto;text-align:center;color:var(--mint);padding:30px}.scene-top-label{position:absolute;top:83px;left:23px;color:#8b9db1;font-size:9px;pointer-events:none}.scene-top-label .live-dot{margin-right:6px}.scene-legend{position:absolute;bottom:151px;left:20px;right:20px;display:flex;justify-content:center;gap:18px;font-size:9px;color:#a7b8ca;pointer-events:none}.view-tools{position:absolute;bottom:99px;left:0;right:0;display:flex;justify-content:center;gap:5px}.view-tools button{font-size:10px;padding:7px 10px;background:#101d2ccc;backdrop-filter:blur(10px)}.scene-bottom{position:absolute;bottom:44px;left:20px;right:20px;font-size:9px;color:#72869f;display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}.scene-bottom label{display:flex;align-items:center;gap:5px;cursor:pointer}.scene-bottom input{width:23px;height:12px}.scene-bottom input:before{height:6px;width:6px}.scene-bottom input:checked:before{transform:translateX(11px)}.scale-note{position:absolute;bottom:15px;left:0;right:0;text-align:center;color:#566b83;font-size:9px;pointer-events:none}.world-label{position:absolute;pointer-events:none;display:none;color:#9ebacf;font-size:9px;background:#0d172a99;padding:4px 7px;border-radius:4px;white-space:nowrap}.place-label{color:var(--mint);border:1px solid #61dfcb50}.right-column{display:flex;flex-direction:column;gap:16px}.sun-panel{padding-bottom:18px}.solar-number{margin-top:8px;margin-bottom:20px}.solar-number span{font-size:32px;color:var(--gold);font-weight:400}.solar-number small{display:block;font-size:10px;color:var(--muted);margin-top:7px}.data-line{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:10px;margin:12px 0;color:var(--muted)}.data-line 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var(--line);border-radius:6px}.rise-set span{display:block;color:var(--muted);font-size:9px;margin-bottom:6px}.rise-set b{font-size:16px;font-weight:400}.place-panel .section-label{margin-top:18px}.timeline-panel{display:flex;align-items:center;gap:24px;margin-top:16px;padding:18px 24px}.play-button{background:var(--mint);border:0;color:#0d2726;width:43px;height:43px;flex-shrink:0;border-radius:50%;font-size:15px}.play-button:hover{background:#92eedf}.timeline-content{flex:1;min-width:0}.timeline-heading{display:flex;align-items:center;justify-content:space-between;font-size:11px;margin-bottom:10px}.timeline-heading b{font-weight:500;letter-spacing:.7px}.timeline-heading span{color:var(--muted);font-size:9px}input[type=range]{width:100%;accent-color:var(--mint);cursor:pointer;margin:0}.hour-ticks{display:flex;justify-content:space-between;color:#718399;font-size:9px;margin-top:5px}.time-note{font-size:9px;color:#798ca3;border-left:1px solid var(--line);padding-left:24px;line-height:1.8}.time-note b{font-weight:400;color:#b4c5d5}.bottom-grid{display:grid;grid-template-columns:1.8fr 1fr;gap:16px;margin-top:16px}.comparison .panel-heading,.knowledge .panel-heading{margin-bottom:12px}.comparison-heading{display:flex;justify-content:space-between;align-items:center;gap:10px}.comparison-heading p{font-size:10px;color:var(--muted);margin:0}.comparison-heading select{width:126px;font-size:9px;padding:6px}.compare-choices{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 17px}.compare-choices label{display:flex;align-items:center;gap:6px;font-size:9px;color:#8c9eb1}.compare-choices input{width:22px;height:12px}.compare-choices input:before{width:6px;height:6px}.compare-choices input:checked:before{transform:translateX(10px)}.bar-head,.bar-row{display:grid;grid-template-columns:104px 1fr 63px;gap:15px;align-items:center}.bar-head{font-size:9px;color:#71859e;margin-bottom:12px}.bar-head>div{display:flex;justify-content:space-between}.bar-row{margin:13px 0}.bar-name b{display:block;font-size:11px;font-weight:400}.bar-name small{display:block;color:#788ca2;font-size:8px;margin-top:3px}.daybar{height:17px;border-radius:3px;background:repeating-linear-gradient(90deg,transparent 0,transparent calc(25% - 1px),#8197b722 calc(25% - 1px),#8197b722 25%),#203149;position:relative;overflow:hidden}.day-segment{position:absolute;height:100%;background:linear-gradient(90deg,#d1ac74,#e8c987)}.now-line{position:absolute;top:0;bottom:0;width:2px;background:var(--mint);box-shadow:0 0 3px #000}.bar-result{font-size:11px;text-align:right;color:var(--gold)}.bar-row small.event-detail{display:block;color:#8e9fb2;font-size:8px;grid-column:2/4;margin-top:-9px;line-height:1.6}.bar-foot{display:flex;gap:15px;color:var(--muted);font-size:9px;margin-top:18px}.bar-foot span:last-child{margin-left:auto;font-size:8px}.topic-tabs{display:flex;gap:6px;margin-top:18px}.topic-tabs button{font-size:9px;padding:6px 8px;flex:1}.knowledge h3{font-weight:500;font-size:17px;margin:10px 0}.knowledge>p{color:#9aaec3;font-size:11px;min-height:60px}.lesson-art{height:76px;display:flex;align-items:center;justify-content:center;gap:28px;margin-top:8px}.mini-earth{height:57px;width:57px;border-radius:50%;background:linear-gradient(90deg,#163654 48%,#347c84 50%,#61a4a4);border:1px solid #78c9d344;box-shadow:0 0 23px #408e9c33;transform:rotate(-23.44deg);position:relative}.mini-earth:after{content:'';position:absolute;height:80px;width:1px;background:#acd9d5;top:-12px;left:27px}.mini-rays{color:#edc27c88;letter-spacing:2px}.mini-sun{color:var(--gold);font-size:42px}.lesson-button{font-size:10px;color:var(--mint);background:#61dfcb08;width:100%;text-align:left;border-color:#61dfcb26}footer{display:flex;justify-content:space-between;align-items:center;gap:15px;font-size:9px;color:#5f758c;padding:27px 0}footer i{margin:0 10px}footer button{border:0;background:transparent;font-size:9px;color:#8397aa}dialog{width:min(720px,92vw);max-height:85vh;background:#101c2c;border:1px solid #ffffff22;border-radius:14px;padding:35px;color:#bdccda}dialog::backdrop{background:#030912cc;backdrop-filter:blur(7px)}dialog h2{font-size:23px;color:var(--text)}dialog p{font-size:12px;line-height:1.9}dialog a{color:var(--mint)}.dialog-close{position:absolute;right:15px;top:15px;font-size:22px;line-height:18px;border:0}#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);max-width:90vw;background:#24413e;border:1px solid #61dfcb44;color:#defbf5;padding:12px 20px;border-radius:8px;font-size:12px;z-index:20;display:none}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(min-width:1600px){.lab-grid{grid-template-columns:270px minmax(360px,1fr) 310px}.scene-panel{min-height:770px}}@media(max-width:1150px){.lab-grid{grid-template-columns:215px minmax(320px,1fr)}.right-column{grid-column:1/3;display:grid;grid-template-columns:1fr 2fr}.place-panel{display:block}.right-column .place-panel .data-line{margin:8px 0}.scene-panel{min-height:720px}.bottom-grid{grid-template-columns:1fr 1fr}.header-right{display:none}}@media(max-width:760px){header{height:68px;padding:0 5%}nav{gap:10px;font-size:10px}.brand{font-size:19px}.brand-icon{font-size:33px}.nav-active:after{bottom:-25px}main{padding:24px 4% 0}.intro-meta{display:none}h1{font-size:22px}.intro{margin-bottom:20px}.lab-grid{grid-template-columns:1fr}.scene-panel{grid-row:1;min-height:530px}.controls-panel{grid-row:2;padding:16px;display:grid;grid-template-columns:1fr 1fr;gap:16px}.controls-panel>.panel-heading{grid-column:1/3;margin-bottom:0}.controls-panel section{margin-bottom:0}.controls-panel section:last-child{grid-column:1/3;display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.controls-panel section:last-child>.section-label{grid-column:1/3}.right-column{grid-column:auto;display:grid;grid-template-columns:1fr}.timeline-panel{gap:12px;padding:16px 12px}.time-note{display:none}.bottom-grid{grid-template-columns:1fr}.scene-bottom{bottom:36px;font-size:8px}.scene-legend{font-size:8px;gap:12px;bottom:138px}.view-tools{bottom:86px}.view-tools button{padding:7px 9px}.scene-toolbar{left:14px;right:14px}.scene-top-label{top:77px;left:18px}.bar-head,.bar-row{grid-template-columns:77px 1fr 55px;gap:10px}footer{flex-wrap:wrap;justify-content:center}.comparison{padding:16px}.bar-foot span:last-child{display:none}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}
#captureImage{display:block;width:100%;max-height:55vh;object-fit:contain;border-radius:8px;background:#080e19}#captureDownload{display:inline-block;margin-top:16px;padding:10px 20px;background:#61dfcb;color:#10232a;border-radius:7px;text-decoration:none;font-size:13px}