*{box-sizing:border-box} :root{--ink:#214a42;--muted:#617269;--paper:#f8f5eb;--line:#d0d8c7;--yellow:#e8b948;--green:#2c6652}body{margin:0;background:var(--paper);color:var(--ink);font-family:Trebuchet MS,Arial,sans-serif;font-size:18px}button,a,input,select{touch-action:manipulation}button,a{font:inherit}button{min-height:46px;border:1px solid var(--line);border-radius:10px;background:#fffdf6;color:var(--ink);padding:10px 17px;font-weight:bold;cursor:pointer;transition:background .15s,transform .15s}button:hover:not(:disabled){background:#eef0df;transform:translateY(-1px)}button.primary{background:var(--ink);color:white;border-color:var(--ink)}button.gold{background:var(--yellow);color:#263f36;border-color:#d6a332}button:disabled{opacity:.48;cursor:not-allowed}button[aria-pressed=true]{box-shadow:inset 0 0 0 2px var(--ink);background:#e4ebd9}button:focus-visible,a:focus-visible,canvas:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #b97e22;outline-offset:4px}a{color:inherit}h1,h2,h3,p{margin:0}h1,h2{font-family:Georgia,serif;font-weight:500;letter-spacing:-.045em;line-height:1.02}h1{font-size:clamp(42px,4.5vw,78px)}h2{font-size:clamp(31px,3vw,46px)}h3{font-size:23px;line-height:1.2}p{line-height:1.55}.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:#9b643d;margin-bottom:18px}.muted,small{color:var(--muted)}small{font-size:14px;line-height:1.45}.brand{font:bold 36px Georgia,serif;text-decoration:none;letter-spacing:-2px}.brand span{color:#bd884c}.course{border-left:1px solid var(--line);padding-left:20px;font-size:16px;color:var(--muted)}header{height:72px;display:flex;align-items:center;gap:22px;padding:14px 28px}.review{margin-left:auto;text-transform:uppercase;font-size:11px;letter-spacing:.1em;color:var(--muted)}#app{height:100dvh;display:flex;flex-direction:column;overflow:hidden}#moments{display:flex;gap:6px;padding:0 28px 12px;border-bottom:1px solid var(--line)}#moments button{flex:1;font-size:13px;padding:10px 7px;background:#e6ebde;border:0;border-radius:7px;line-height:1.3}#moments button[aria-current=step]{background:var(--ink);color:white}#stage{position:relative;flex:1;min-height:0;overflow:auto;display:grid;grid-template-columns:minmax(315px,31%) 1fr}#world{grid-column:2;grid-row:1;position:relative;min-height:480px;overflow:hidden;background:#b9d5cc}#valley{width:100%;height:100%;display:block;cursor:grab;min-height:480px}#valley:active{cursor:grabbing}#copy{grid-column:1;grid-row:1;align-self:center;padding:32px 28px;z-index:1}#copy h1{font-size:clamp(36px,3.25vw,61px)}#copy .lead{margin-top:22px;font-size:clamp(18px,1.55vw,25px)}#copy .actions{margin-top:26px}#loading{position:absolute;inset:0;display:grid;place-content:center;background:#d8e2cf}#loading[hidden]{display:none}.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.ranger-line{margin-top:28px;display:flex;gap:12px;align-items:center}.ranger-line img{width:46px;height:80px;object-fit:contain}.ranger-line button{padding:10px 14px}.ranger-line p{font-size:16px;max-width:320px}.caption{font-size:13px;color:var(--muted);line-height:1.4;margin-top:15px}footer{min-height:78px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 24px;background:var(--paper);z-index:4}.tools{display:flex;gap:8px}.tools button{font-size:14px}.key{font:12px monospace;border:1px solid #8ba194;border-radius:4px;padding:3px 5px;margin-left:8px}.camera-hint{position:absolute;top:20px;right:20px;background:#fffdf2dd;padding:8px 13px;border-radius:20px;font-size:13px;color:var(--ink)}.location{position:absolute;top:22px;left:22px;font-size:12px;text-transform:uppercase;font-weight:bold;letter-spacing:.15em;color:#244e3e;text-shadow:0 1px #fff8}.field-controls{position:absolute;bottom:24px;left:22px;right:22px;display:flex;justify-content:space-between;gap:12px;align-items:flex-end}.dinosaur-picks{display:flex;gap:8px}.dinosaur-picks button{width:86px;height:89px;padding:5px;background:#fffdf2dc;font-size:10px}.dinosaur-picks img{display:block;width:100%;height:57px;object-fit:contain}.capture-actions{display:flex;gap:8px;flex-direction:column;align-items:stretch}.capture-actions button{box-shadow:0 3px 12px #27463120}.ground-controls{position:absolute;top:60px;left:20px;display:flex;gap:6px}.ground-controls button{font-size:12px;min-height:35px;padding:7px 10px;background:#fffdf2dc}.collection-badge{position:absolute;bottom:131px;right:24px;border-radius:20px;background:#fffdf2e6;font-size:12px;padding:7px 12px}.game #stage{display:block}.game #world{height:100%;min-height:580px}.game #copy{position:absolute;top:28px;left:30px;max-width:400px;padding:22px;background:linear-gradient(100deg,#f8f5ebe8,#f8f5ebaa);border-radius:2px}.game #copy h1{font-size:34px}.game #copy .lead{font-size:17px;margin-top:10px}.game #copy .ranger-line{margin-top:12px}.game #copy .ranger-line img{height:60px;width:33px}.game .location{left:auto;right:22px;top:67px}.game .ground-controls{left:auto;right:20px;top:96px}.game .camera-hint{right:20px}.game .capture-actions{flex-direction:row}.overview #moments{display:none}.overview #copy{padding:40px}.overview #copy h1{font-size:clamp(45px,4vw,76px)}.overview #stage{grid-template-columns:minmax(365px,39%) 1fr}.overview .overview-details{margin-top:25px;font-size:16px}.overview details{margin-top:20px}.overview summary{cursor:pointer;font-weight:bold;margin-bottom:12px}.overview li{margin:8px 0;line-height:1.5}.content-only .chrome{display:none!important}.content-only #app{height:100dvh}.content-only #stage{min-height:100dvh}.content-only 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img{height:200px;object-fit:contain;margin:15px}.count-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:24px 0}.count-grid label{display:flex;flex-direction:column;gap:7px}.count-grid input,select{font:inherit;padding:10px;border:1px solid var(--line);border-radius:6px;width:100%;background:white;color:var(--ink)}dialog{color:var(--ink);background:var(--paper);border:0;border-radius:18px;box-shadow:0 18px 80px #102a3366;max-width:1000px;width:calc(100% - 40px);max-height:90dvh;padding:28px}dialog::backdrop{background:#142f2a80;backdrop-filter:blur(4px)}.dialog-head{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:22px}.dialog-head h2{font-size:37px}.dialog-head button{padding:7px 14px}.photo-review{display:grid;grid-template-columns:1.1fr 1fr;gap:25px;align-items:center}.photo-review img{width:100%;border-radius:10px}.photo-review p{margin:14px 0}.photo-review h3{font-size:25px}.photo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin:20px 0}.photo-card{border-bottom:1px solid var(--line);padding-bottom:12px}.photo-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:6px}.photo-card button{min-height:35px;font-size:12px;padding:5px 8px;margin-top:7px}.photo-card small{display:block}.dialog-actions{display:flex;gap:12px;justify-content:space-between;align-items:center;margin-top:20px}.feedback{margin-top:16px;font-size:19px;line-height:1.4}.history-entry{display:flex;gap:20px;align-items:center;padding:15px 0;border-bottom:1px solid var(--line)}.history-entry img{width:150px;border-radius:6px}.history-entry p{font-size:16px}.notes{max-width:760px}.notes h3{margin:23px 0 10px}.notes li{line-height:1.55;margin:10px 0}.notes p{margin:10px 0}.notes .evidence{padding-top:20px;border-top:1px solid var(--line);margin-top:20px}.subtitles{position:fixed;bottom:95px;left:20%;right:20%;z-index:10;background:#173d33ef;color:#fff;border-radius:8px;padding:14px 22px;text-align:center;line-height:1.5;font-size:18px}.content-only .subtitles{bottom:20px}#storage-status{position:fixed;bottom:90px;left:20px;right:20px;background:#fff0d7;border:2px solid #a15c21;padding:16px;z-index:35;box-shadow:0 3px 20px #0002}.error{padding:24px;background:#fff0d7;border:1px solid #a15c21;border-radius:8px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
@media(min-width:1700px){#copy{padding:40px}.game #copy{max-width:480px}.game #copy h1{font-size:42px}.game #copy .lead{font-size:21px}.dinosaur-picks button{height:110px;width:110px;font-size:12px}.dinosaur-picks img{height:74px}}
@media(max-width:1050px){header{height:61px;padding:10px 18px}.course{font-size:13px}#moments{padding:0 12px 8px;overflow:auto}#moments button{min-width:90px;font-size:11px}#stage,.overview #stage{grid-template-columns:34% 1fr}#copy,.overview #copy{padding:22px}#copy h1{font-size:38px}#copy .lead{font-size:18px}.tools button{font-size:12px;padding:8px}.key{margin-left:4px}.dinosaur-picks button{width:67px;height:77px}.dinosaur-picks img{height:48px}.field-controls{left:12px;right:12px}.capture-actions button{font-size:13px;padding:8px 11px}.game #copy{max-width:300px;padding:16px;top:14px;left:14px}.game #copy h1{font-size:28px}.game .location{top:57px}.game .ground-controls{top:84px}footer{padding:9px 12px;min-height:70px}footer>button{font-size:13px}.game .capture-actions{flex-direction:column}}
@media(max-width:700px){body{font-size:16px}header{gap:12px}.brand{font-size:29px}.course{font-size:11px;padding-left:12px}.review{display:none}#stage,.overview #stage{display:flex;flex-direction:column;overflow:auto}#copy,.overview #copy{order:0;padding:24px}#world{order:1;flex:none;height:500px;min-height:500px}#valley{min-height:500px}#copy h1,.overview #copy h1{font-size:43px}#copy .lead{margin-top:13px}.ranger-line{margin-top:16px}.ranger-line img{height:55px}#copy .actions{margin-top:18px}.overview-details{display:none}.overview details{display:none}#moments{gap:5px}#moments button{min-width:93px}footer{flex-wrap:wrap;gap:7px;padding:8px 12px}.tools{order:2;width:100%;justify-content:center}.tools button{flex:1;min-height:40px;font-size:12px;padding:7px}.key{display:none}footer>button{min-height:42px}.game #world{height:100%;min-height:640px}.game #copy{max-width:calc(100% - 28px);right:14px;top:12px;padding:14px}.game #copy h1{font-size:29px}.game #copy .lead{font-size:15px}.game #copy .ranger-line{margin-top:6px}.game #copy .ranger-line img{display:none}.game #copy .ranger-line button{font-size:12px;min-height:34px;padding:5px 10px}.game .camera-hint{top:208px;font-size:11px}.game .location{display:none}.game .ground-controls{left:14px;right:auto;top:207px}.game .ground-controls button{font-size:10px;padding:6px}.game .field-controls{bottom:12px;display:block}.game .capture-actions{flex-direction:row;margin-top:9px;justify-content:space-between}.game .dinosaur-picks{justify-content:center}.game .dinosaur-picks button{width:86px}.game .collection-badge{bottom:153px;right:12px}.photo-review,.assessment-grid{grid-template-columns:1fr;gap:17px}.photo-grid{grid-template-columns:repeat(2,1fr)}dialog{padding:20px;width:calc(100% - 20px)}.dialog-head h2{font-size:30px}.dialog-actions{flex-wrap:wrap}.subtitles{left:15px;right:15px;bottom:123px;font-size:15px}.assessment .prompt-list{font-size:18px}.assessment .fresh-photo{width:100%;max-height:230px}.presentation-test #copy{padding:25px 20px}.count-grid{grid-template-columns:1fr 1fr}.celebration h1{font-size:48px}.celebration img{height:120px}.celebration p{font-size:21px}.content-only .game #world{min-height:100dvh}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.ed-guide{position:absolute;right:24px;bottom:175px;display:flex;flex-direction:column;align-items:center;gap:5px;max-width:160px;pointer-events:none}.ed-guide img{width:135px;filter:drop-shadow(0 5px 4px #27433240)}.ed-guide span{font-size:12px;text-align:center;background:#fffdf2e6;padding:8px 12px;border-radius:18px}.location{color:#224d3e;background:#fffdf2d9;padding:7px 11px;border-radius:20px;text-shadow:none}.game .ground-controls{top:105px}.game .location{top:65px}
@media(max-width:1050px){.ed-guide{bottom:218px;right:14px;max-width:120px}.ed-guide img{width:95px}.ed-guide span{font-size:11px}.game .ground-controls{top:96px}}
@media(max-width:700px){.ed-guide{right:15px;bottom:190px}.ed-guide img{width:74px}.ed-guide span{display:none}.game .ground-controls{top:207px}.game .camera-hint{display:none}}
.assessment .fresh-photo{width:100%;max-height:440px}.assessment-grid{grid-template-columns:1.05fr 1fr;gap:50px}.assessment .prompt-list{gap:25px}.assessment .ranger-line{margin-top:18px}
@media(max-width:700px){.assessment-grid{grid-template-columns:1fr;gap:22px}.assessment .fresh-photo{max-height:230px}.assessment .prompt-list{gap:20px}}
@media(min-width:701px) and (max-width:1050px){.collection-badge{bottom:190px}.ed-guide{bottom:238px}}
@media(max-width:700px){.game #world{min-height:0;height:100%}.game #valley{min-height:0;height:100%}.game .field-controls{bottom:12px}}
@media(min-width:1400px){.assessment .prompt-list{font-size:27px}.assessment .prompt-list b{font-size:14px}.assessment>p:not(.eyebrow):not(.caption){font-size:22px}.photo-review h3{font-size:30px}.photo-review p:not(.caption):not(.eyebrow){font-size:21px}}

/* Game gestures do not select text or drag image files. Notes and inputs stay native. */
#world{-webkit-user-select:none;user-select:none}
#world img{-webkit-user-drag:none}
/* The fullscreen element owns its background and captions. A fallback needs a touch exit. */
#app{background:var(--paper)}
button.primary:hover:not(:disabled){background:#326251;color:white}
#fullscreen-exit{position:fixed;right:16px;top:16px;z-index:15;background:var(--paper);box-shadow:0 2px 12px #142f2a40}
dialog .subtitles{position:sticky;bottom:0;left:auto;right:auto;margin-top:16px}
/* The training action remains reachable while the collection scrolls. */
dialog.training-notebook{padding:0;overflow:hidden}
.training-notebook .dialog-head{padding:22px 26px 12px;margin:0;flex-shrink:0}
.training-notebook[open]{display:flex;flex-direction:column}
.training-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:12px 26px 18px;border-bottom:1px solid var(--line);flex-shrink:0}
.training-toolbar p{font-size:15px}.training-toolbar button{flex-shrink:0}
.training-notebook>.label-definition,.training-notebook>.caption{padding:12px 26px 0;margin:0;font-size:15px;flex-shrink:0}
.training-notebook>.caption:last-child{padding:12px 26px}
.training-notebook .photo-grid{overflow:auto;min-height:0;margin:14px 0 0;padding:0 26px 14px}
.nearest-pictures{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:12px 0}.nearest-pictures figure{margin:0}.nearest-pictures figcaption{font-size:13px}
.closest-evidence{margin:15px 0}summary{cursor:pointer;min-height:36px}
@media(max-width:700px){.training-notebook .dialog-head{padding:16px 16px 10px}.training-notebook .dialog-head h2{font-size:25px}.training-toolbar{padding:8px 16px;gap:8px}.training-toolbar p{font-size:12px}.training-toolbar button{font-size:14px;padding:8px 10px}.training-notebook>.label-definition,.training-notebook>.caption{padding:8px 16px 0;font-size:13px}.training-notebook .photo-grid{padding:0 16px 14px}.training-notebook>.caption:last-child{padding:8px 16px}}