.subject-picker{grid-template-columns:repeat(4,minmax(0,1fr))}
.year-figure.year-geography{background:#f5faf8;border-color:#d7e7df}
.year-geography .year-equation{color:#357b72}
.geo-model{color:#46676c;font-size:16px}
.geo-map-panel{position:relative}
.year-geography .year-scene svg{max-height:none}
.geo-model svg{display:block;width:100%;height:auto;font-size:23px;fill:#36575d;max-height:none}
.geo-svg-title{font-size:26px;font-weight:750;fill:#31575a}
.geo-svg-value{font-size:36px;font-weight:750;fill:#765a99;font-variant-numeric:tabular-nums}
.geo-big-value{font-size:52px;font-weight:750;fill:#397c7b;font-variant-numeric:tabular-nums}
.geo-point-label{font-size:20px;font-weight:750;fill:#fff}
.geo-contour-label{font-size:26px;fill:#59694f}
.geo-map-choice{position:absolute;width:44px;height:44px;min-height:44px;border:1px solid #6e8d9480;border-radius:50%;background:#fff5;transform:translate(-50%,-50%);padding:0;display:grid;place-items:center;transition:background .2s,border-color .2s}
.geo-map-choice span{width:9px;height:9px;border:2px solid #fff;background:#567e85;border-radius:50%;box-shadow:0 1px 4px #47636d55}
.geo-map-choice.has-label span{display:grid;place-items:center;width:24px;height:24px;color:#fff;font-size:14px;font-weight:750}
.geo-map-choice.selected{border:2px solid #916caf;background:#bba2cf30}
.geo-map-choice.selected span{background:#916caf}
.geo-map-choice:hover{background:#fff9;border-color:#916caf}
.geo-map-choice:focus-visible{outline:3px solid #8e65aa;outline-offset:3px}
.geo-results{display:flex;gap:10px;margin:14px 0;flex-wrap:wrap}
.geo-results>span{flex:1;min-width:130px;background:#fff;border:1px solid #d6e4dd;border-radius:16px;padding:13px;font-size:13px;line-height:1.5}
.geo-results strong{display:block;color:#397773;font-size:22px;line-height:1.4;margin-top:5px;font-variant-numeric:tabular-nums}
.lesson-focus .geo-model-note{font-size:13px;line-height:1.7;color:#657a78;margin:14px 0 2px}
.geo-legend{display:flex;flex-wrap:wrap;gap:10px 18px;margin:10px 0;font-size:14px}
.geo-legend span{display:flex;align-items:center;gap:7px}
.geo-key{width:17px;height:12px;border-radius:4px;display:inline-block}
.geo-key.forest{background:#75a085}.geo-key.river{background:#85c3d5}.geo-key.route{height:5px;background:#9b6fba}
.geo-ocean-note{padding:14px 16px;border-radius:16px;background:#fff;border:1px solid #d9e5e0;line-height:1.6}
.geo-ocean-note strong,.geo-ocean-note span{display:block}.geo-ocean-note strong{color:#765c91}
.geo-terrain{position:relative;overflow:hidden;isolation:isolate;border-radius:20px;background:#c9dbbf;box-shadow:0 10px 28px #224c3520}
.geo-terrain>img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain}
.geo-terrain>svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;fill:none}
.geo-nature-outline{fill:#9bc85720;stroke:#e5ffb0;stroke-width:7;stroke-linejoin:round;filter:drop-shadow(0 2px 5px #1c453a)}
.geo-river-trace{fill:none;stroke:#bdf5ff;stroke-width:8;stroke-linecap:round;stroke-dasharray:20 16;filter:drop-shadow(0 2px 5px #146684)}
.geo-route-halo{fill:none;stroke:#fff;stroke-width:16;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 3px 4px #2d183c80)}
.geo-route-line{fill:none;stroke:#8851d1;stroke-width:9;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;animation:geo-route-reveal 1.1s ease-out both}
.geo-route-end{fill:#8851d1;stroke:#fff;stroke-width:7}
.geo-terrain-label{position:absolute;transform:translate(-50%,-100%);padding:6px 10px;border:1px solid #fffc;border-radius:11px;background:#fffffff2;box-shadow:0 3px 12px #18312740;color:#263d3b;font-size:clamp(11px,1.6vw,15px);line-height:1.3;font-weight:750;white-space:nowrap;pointer-events:none}
.geo-terrain-label:after{content:'';position:absolute;left:50%;bottom:-5px;width:8px;height:8px;transform:translateX(-50%) rotate(45deg);background:#fff;border-radius:0 0 2px 0}
.geo-terrain-label.forest{color:#32613d}.geo-terrain-label.river{color:#156c84}.geo-terrain-2 .geo-terrain-label{color:#7440a8}
.geo-terrain-north{position:absolute;right:10px;bottom:10px;display:flex;flex-direction:column;align-items:center;padding:4px 9px;border:1px solid #fff8;border-radius:12px;background:#143e3ad9;box-shadow:0 3px 10px #17332830;color:white;font-size:24px;line-height:1.1}.geo-terrain-north small{font-size:10px;font-weight:750}
.geo-key.building{background:#8b759f}.geo-landscape-model .geo-legend{margin-top:17px}
@keyframes geo-route-reveal{from{stroke-dashoffset:1}to{stroke-dashoffset:0}}
@media(max-width:1000px){.subject-picker{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.subject-picker{grid-template-columns:1fr}.geo-model svg{font-size:26px}.geo-svg-title{font-size:28px}.geo-results>span{min-width:115px;padding:11px}.geo-results strong{font-size:20px}}
@media(prefers-reduced-motion:reduce){.geo-map-choice{transition:none}.geo-route-line{animation:none;stroke-dashoffset:0}}

.geo-terrain-label.forest{left:22%;top:24%}.geo-terrain-label.river{left:56%;top:75%}.geo-terrain-label.school{left:15%;top:63%}.geo-terrain-label.bridge{left:53%;top:43%}.geo-terrain-label.station{left:82%;top:17%}
.geo-point-coordinates-0{left:57.40741%;top:31.21693%}
.geo-point-coordinates-1{left:54.44444%;top:66.77249%}
.geo-point-coordinates-2{left:30.61728%;top:52.46561%}
.geo-point-continent-0{left:54.93827%;top:52.38095%}
.geo-point-continent-1{left:35.18519%;top:58.73016%}
.geo-point-continent-2{left:83.08642%;top:62.96296%}
.geo-point-relief-0{left:16.66667%;top:54.76190%}
.geo-point-relief-1{left:74.30556%;top:54.76190%}
.geo-point-relief-2{left:61.80556%;top:54.76190%}
.geo-point-time-0{left:31.48148%;top:52.38095%}
.geo-point-time-1{left:50.00000%;top:52.38095%}
.geo-point-time-2{left:83.33333%;top:52.38095%}
.geo-point-basin-0{left:22.91667%;top:25.71429%}
.geo-point-basin-1{left:48.61111%;top:41.66667%}
.geo-point-basin-2{left:74.30556%;top:29.28571%}

.geo-lesson-scene{min-width:0}
.geo-exact-title{font-size:18px;color:#35645e;margin:22px 0 10px}
.geo-model .physics-photo-markers{font-size:16px;fill:initial}
.geo-model .geo-photo-overlay,.geo-model .geo-basin-targets{position:absolute;inset:0;width:100%;height:100%;max-height:none;pointer-events:none;fill:none}
.geo-photo-overlay .geo-photo-route-halo{fill:none;stroke:#fff;stroke-width:17;stroke-linecap:round;stroke-linejoin:round;opacity:.28}
.geo-photo-overlay .geo-photo-route-halo.is-active{opacity:.95}
.geo-photo-overlay .geo-photo-route{fill:none;stroke:#9e81bd;stroke-width:8;stroke-linecap:round;stroke-linejoin:round;opacity:.3}
.geo-photo-overlay .geo-photo-route.is-active{stroke:#8146c3;opacity:1;stroke-dasharray:1;animation:geo-route-reveal 1s ease-out both}
.geo-photo-overlay .geo-photo-focus{fill:#d7f5f216;stroke:#edffff;stroke-width:8;filter:drop-shadow(0 3px 8px #153d4480)}
.geo-observation{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;padding:24px 18px;border:1px solid #cfdfda;border-radius:20px;background:#fff;color:#426b65}
.geo-observation-kicker{font-size:13px;color:#657e78}
.geo-observation-value{font-size:44px;line-height:1.2;color:#28736c;font-variant-numeric:tabular-nums}
.geo-observation-windows{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;width:100%;margin-top:14px;text-align:left}
.geo-observation-windows>div{display:flex;flex-direction:column;gap:7px;padding:14px;border:1px solid #e0e8e2;border-radius:14px;background:#f7faf7;font-size:13px;line-height:1.5}
.geo-observation-windows>div.is-active{border-color:#8eb6a6;background:#eaf5ed;box-shadow:inset 0 3px #7aa58e}
.geo-observation-windows strong{font-size:21px;color:#32685e}
.geo-observation-windows small{font-size:12px;color:#647c73}
.geo-photo-overlay .geo-watershed-halo{stroke:#fff;stroke-width:13;stroke-linecap:round;opacity:.7}
.geo-photo-overlay .geo-watershed{stroke:#655033;stroke-width:6;stroke-dasharray:20 14;stroke-linecap:round}
.geo-photo-overlay .geo-rain-position{fill:#437d9c;stroke:#fff;stroke-width:6}
.geo-photo-overlay .geo-rain-position.is-active{fill:#8753b6}
.geo-photo-overlay .geo-rain-label{fill:#fff;stroke:#1b465e;stroke-width:8;paint-order:stroke;font-size:43px;font-weight:800}
.geo-photo-overlay g>rect{fill:#fff;stroke:#c2dbdf;stroke-width:2}
.geo-photo-overlay g>text{fill:#285c64;font-size:34px;font-weight:750}
.geo-basin-targets foreignObject{overflow:visible}
.geo-basin-rain{width:48px;height:48px;min-height:48px;transform:translate(-50%,-50%);pointer-events:auto;border:2px solid white;border-radius:50%;background:#295f7de8;color:#fff;font-size:16px;font-weight:800;padding:0;box-shadow:0 2px 8px #143d5980}
.geo-basin-rain[aria-pressed=true]{background:#8851b6}
.geo-basin-rain:focus-visible{outline:3px solid #e9cbff;outline-offset:4px}
.geo-basin-model .physics-photo-markers{display:none}
.geo-basin-model .is-zoomed .geo-basin-targets{visibility:hidden}
.geo-soil-cutaway{margin-top:18px;border:1px solid #ded8c9;border-radius:18px;padding:18px;background:#fffdf9}
.geo-soil-cutaway h4{font-size:17px;color:#655c49;margin:0 0 8px}
.geo-soil-cutaway p{font-size:14px;line-height:1.7;color:#766e60;margin:0 0 14px}
.geo-soil-layers{position:relative;min-height:190px;border-radius:14px;overflow:hidden;background:radial-gradient(ellipse at 30% 65%,#e5d3ac35 0 12%,transparent 13%),repeating-linear-gradient(173deg,#836e4a10 0 2px,transparent 2px 9px),linear-gradient(#729457 0 6%,#b5a071 6% 39%,#cfb990 39% 70%,#b0c6bf 70%);border:1px solid #baa981}
.geo-soil-layers>svg{display:block;width:100%;height:190px;fill:none;stroke:#1e6577;stroke-width:5;stroke-linecap:round}
.geo-soil-surface,.geo-soil-pores{position:absolute;padding:5px 9px;font-size:12px;line-height:1.5;border-radius:8px;background:#fffffff2;color:#556452;z-index:1}
.geo-soil-surface{top:8px;left:10px}.geo-soil-pores{bottom:10px;right:10px}
@media(max-width:600px){.geo-observation-windows{grid-template-columns:1fr}.geo-observation-windows>div{display:grid;grid-template-columns:1fr auto;gap:5px 10px}.geo-observation-windows small{grid-column:1/-1}.geo-observation{padding:18px 12px}.geo-observation-value{font-size:38px}.geo-exact-title{font-size:17px}}
@media(prefers-reduced-motion:reduce){.geo-photo-overlay .geo-photo-route.is-active{animation:none;stroke-dashoffset:0}}
.geo-real-cutaway{position:relative;border-radius:20px;overflow:hidden;background:#f8f7f4}.geo-real-cutaway img{display:block;width:100%;height:auto}.geo-real-cutaway svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.geo-process-flow{fill:none;stroke:#fff1aa;stroke-width:12;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:25 20;filter:drop-shadow(0 2px 4px #1e252c);animation:geo-material-flow 2s linear infinite;animation-play-state:paused}.year-figure[data-playback=running] .geo-process-flow{animation-play-state:running}.geo-process-focus{fill:#ffe8a21f;stroke:#fff1aa;stroke-width:8;stroke-dasharray:18 10;filter:drop-shadow(0 2px 4px #1e252c)}@keyframes geo-material-flow{to{stroke-dashoffset:-90}}@media(prefers-reduced-motion:reduce){.geo-process-flow{animation:none}}
.geo-contour-line{filter:drop-shadow(0 1px 2px #233e1f)}.geo-relief-label{fill:#fff8d7!important;stroke:#263c2a;stroke-width:3;paint-order:stroke;font-weight:800}