:root{--ink:#193d3f;--muted:#596969;--paper:#f6f3eb;--line:#d7ddd4;--gold:#b98030;--pale:#e8ede3;--white:#fffefa;--shadow:0 12px 40px #233e3510}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,select,textarea{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer;border:1px solid var(--line);background:var(--white);color:var(--ink);border-radius:9px;padding:10px 16px;transition:background .16s,transform .16s}button:hover{background:#e8eee4}button:disabled{opacity:.45;cursor:default}a{color:var(--ink);text-underline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #ae7020;outline-offset:4px}.top{max-width:1440px;margin:auto;padding:24px 4%;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;font-size:12px;font-weight:750;letter-spacing:1.4px}.brand small{font-weight:400;letter-spacing:.4px;font-size:11px;color:var(--muted)}.brand-icon{font-size:40px;color:var(--gold);line-height:1}.tools{display:flex;align-items:center;gap:18px;font-size:13px}.tools>button{padding:8px 12px}.notebook{background:var(--ink);color:white}.notebook:hover{background:#31595b}#note-count{display:inline-grid;place-items:center;background:#ffffff20;border-radius:50%;min-width:24px;height:24px;margin-left:5px}#chapters{max-width:1330px;margin:auto;display:grid;grid-template-columns:repeat(8,1fr);padding:0 12px;border-bottom:1px solid var(--line);gap:4px}#chapters button{background:none;border:0;border-radius:0;padding:12px 3px 15px;font-size:12px;color:var(--muted);border-bottom:3px solid transparent}#chapters button span{display:block;font-size:10px;letter-spacing:2px;margin-bottom:3px}#chapters button[aria-current="step"]{color:var(--ink);font-weight:700;border-bottom-color:var(--gold)}#chapters button.visited span:after{content:' ·';color:#527258}main{max-width:1300px;margin:auto;padding:38px 28px 30px;min-height:650px}main:focus{outline:none}.eyebrow{font-size:11px;font-weight:750;letter-spacing:2px;text-transform:uppercase;color:#806023;margin:0 0 10px}h1,h2,h3{font-family:Georgia,"Times New Roman",serif;font-weight:400;line-height:1.1;margin:0 0 18px}h1{font-size:clamp(34px,4vw,54px);letter-spacing:-1.7px;max-width:900px}h2{font-size:30px}h3{font-size:23px}p{margin:0 0 16px}.lead{font-size:17px;color:var(--muted);max-width:800px}.scene-head{margin-bottom:26px}.split{display:grid;grid-template-columns:1.08fr 1fr;gap:32px;align-items:start}.wide-left{grid-template-columns:1.3fr 1fr}.panel{border:1px solid var(--line);border-radius:18px;background:var(--white);padding:24px;box-shadow:var(--shadow)}.artpanel{position:relative;background:#dbe5d9;border-radius:22px;overflow:hidden;min-height:350px}.artpanel svg{width:100%;height:auto;display:block}.art-caption{padding:16px 22px;background:#ffffffbd;font-size:13px}.subtle{color:var(--muted);font-size:13px}.mini{font-size:12px;color:var(--muted)}.tag{display:inline-block;text-transform:uppercase;font-size:10px;letter-spacing:1.3px;font-weight:700;background:#e9e4d3;padding:5px 9px;border-radius:5px;margin-bottom:12px}.prompt{display:block;font-size:15px;font-weight:650;margin:16px 0 8px}textarea{display:block;width:100%;resize:vertical;min-height:90px;padding:12px;border:1px solid #aebeb5;border-radius:8px;background:#fffefa;color:var(--ink);line-height:1.5}input[type=number],select{border:1px solid #aebeb5;border-radius:7px;padding:8px;background:white;color:var(--ink);max-width:100%}input[type=range]{width:100%;accent-color:var(--ink)}input[type=checkbox]{width:18px;height:18px;accent-color:var(--ink)}.choices{display:flex;flex-wrap:wrap;gap:8px}.choices button{font-size:13px;text-align:left;flex:1;min-width:100px}.choices button.selected{background:var(--ink);color:white;border-color:var(--ink)}.primary{background:var(--ink);border-color:var(--ink);color:white}.primary:hover{background:#31595b}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px}.feedback{background:var(--pale);border-left:3px solid #6e8a6c;padding:12px 15px;margin-top:15px;font-size:14px}.nos{margin-top:22px;border-top:1px solid var(--line);padding-top:15px;font-size:13px;color:var(--muted)}.nos strong{color:var(--ink)}.bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;max-width:1244px;margin:0 auto;padding:17px 0;border-top:1px solid var(--line)}.bottom>div{text-align:center;font-size:12px;color:var(--muted)}.bottom small{display:block;font-size:11px;margin-top:3px}.bottom button{min-width:125px}.footlinks{max-width:1244px;margin:0 auto 25px;display:flex;gap:18px;align-items:center;font-size:11px;color:var(--muted)}.footlinks button{background:none;border:0;padding:4px 0;font-size:11px;text-decoration:underline;text-underline-offset:3px}.footlinks span{margin-left:auto}.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}.three{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.stat{padding:14px;background:#edf0e8;border-radius:9px}.stat b{font-family:Georgia,serif;font-size:30px;display:block;line-height:1.2}.stat span{font-size:12px}.choice-note{display:block;margin:8px 0;display:flex;gap:8px;align-items:start}.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:22px 0}.generation{background:#ecefe7;border-radius:10px;padding:14px 8px;text-align:center;min-height:160px}.generation b{font-size:12px;display:block}.generation .mouse{height:45px}.generation span{font-size:12px;display:block}.generation.hidden-data{opacity:.5}.reveal-count{font-family:Georgia,serif;font-size:36px}.observation-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:15px}.observation-buttons button{padding:12px;font-size:13px}.observation-buttons button.active{background:var(--ink);color:white}.observation-content{min-height:175px;margin-top:15px}.map svg{width:100%;display:block}.map{background:#e3ebe4;border-radius:18px;overflow:hidden}.checklist{list-style:none;padding:0;margin:16px 0}.checklist li{padding:7px 0}.order-list{list-style:none;padding:0;counter-reset:reason}.order-list li{display:flex;align-items:center;gap:14px;background:var(--white);border:1px solid var(--line);padding:14px;border-radius:10px;margin:10px 0;counter-increment:reason}.order-list li:before{content:counter(reason);background:#e5eadf;border-radius:50%;width:30px;height:30px;flex:0 0 30px;text-align:center;line-height:30px}.order-list p{flex:1;margin:0;font-size:14px}.order-list button{padding:4px 10px;min-width:35px}.order-list .move{display:flex;gap:4px}.model-controls{display:flex;flex-wrap:wrap;gap:14px;align-items:end;margin-bottom:18px}.model-controls label{font-size:12px;display:block}.model-controls select{display:block}.beetle-field{display:grid;grid-template-columns:repeat(8,1fr);gap:10px;padding:24px;border-radius:15px;background:#d9c49c;min-height:260px;transition:background .3s}.beetle-field.dark{background:#586b69}.beetle-field.neutral{background:#aab5a2}.beetle-field svg{width:100%;max-height:50px;filter:drop-shadow(1px 3px 2px #0002);transition:opacity .3s,transform .3s}.beetle-field svg.dead{opacity:.13;transform:scale(.8)}.beetle-field .newborn{animation:birth .5s ease}.legend{display:flex;gap:18px;font-size:12px;margin:10px 0;flex-wrap:wrap}.legend i{display:inline-block;width:11px;height:11px;border:2px solid #193d3f;border-radius:50%;margin-right:5px}.legend i.dark{background:#193d3f}.graph svg{width:100%;display:block}table{border-collapse:collapse;width:100%;font-size:13px}th,td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--line)}th{font-weight:650}.data-scroll{overflow:auto}.evidence{padding:18px;background:#eef0e7;border-radius:12px;margin:10px 0}.evidence h3{font-size:20px;margin-bottom:8px}.evidence p{font-size:14px;margin:0}.old-response{padding:18px;background:#eceee4;border-radius:10px;white-space:pre-wrap;overflow-wrap:anywhere;font-family:Georgia,serif;font-size:17px;min-height:120px}.page-intro{max-width:640px}.pill{background:#f1e7cf;color:#6e5425;border-radius:30px;padding:4px 12px;font-size:11px}.small-title{font-size:11px;letter-spacing:1.3px;font-weight:700;text-transform:uppercase;color:var(--muted);margin-bottom:10px}.readmore{margin-top:16px;font-size:13px}.readmore summary{cursor:pointer;font-weight:650}.readmore p{margin:10px 0}.skip{position:absolute;top:-100px;left:15px;background:white;padding:10px;z-index:4}.skip:focus{top:10px}dialog{border:1px solid var(--line);border-radius:18px;background:var(--paper);color:var(--ink);padding:24px;width:min(830px,94vw);max-height:88vh;box-shadow:0 25px 90px #0005}dialog::backdrop{background:#122c32aa;backdrop-filter:blur(3px)}.dialog-top{display:flex;justify-content:space-between;gap:20px;align-items:center;border-bottom:1px solid var(--line);margin-bottom:20px}.dialog-top h2{font-size:28px}.dialog-top button{margin-bottom:15px}.record-item{border-bottom:1px solid var(--line);padding:15px 0}.record-item h3{font-size:19px}.record-item p{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;margin-bottom:0}dialog li{margin:12px 0}dialog a{overflow-wrap:anywhere}.empty{padding:40px;text-align:center;color:var(--muted)}#print-record{display:none}@keyframes birth{from{opacity:0;transform:scale(.65)}to{opacity:1;transform:scale(1)}}@media(min-width:1500px){main{min-height:690px;padding-top:50px}}@media(max-width:1000px){.top{padding:18px 22px}.tools{gap:8px}.split{gap:20px}.bottom,.footlinks{margin-left:28px;margin-right:28px}h1{font-size:42px}.timeline{gap:5px}.generation{padding:12px 4px}.tools a{font-size:12px}}@media(max-width:760px){.top{align-items:start;flex-wrap:wrap}.tools{width:100%;justify-content:space-between;gap:5px}.brand-icon{font-size:32px}#chapters{grid-template-columns:repeat(4,1fr);padding:0 16px}#chapters button{padding:8px 2px}#chapters button span{display:inline;margin-right:4px}main{padding:28px 18px;min-height:0}.split,.wide-left{grid-template-columns:1fr}.three{grid-template-columns:1fr}h1{font-size:37px}.panel{padding:20px}.artpanel{min-height:0}.bottom{margin:0 18px;gap:8px}.bottom button{min-width:90px;padding:10px}.footlinks{margin:8px 18px 20px;flex-wrap:wrap}.footlinks span{width:100%;margin:0}.beetle-field{gap:7px;padding:20px;min-height:220px}.two{gap:10px}.timeline{grid-template-columns:repeat(5,1fr)}.generation{min-height:140px;font-size:11px}.order-list li{gap:8px;padding:10px}.order-list .move{flex-direction:column}.observation-buttons{gap:5px}.observation-buttons button{padding:9px 5px;font-size:12px}.lead{font-size:16px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}@media print{body>*{display:none!important}#print-record{display:block!important;color:black;padding:20px;font:12pt/1.5 Georgia,serif}#print-record h1{font-size:24pt}#print-record .record-item{break-inside:avoid}#print-record p{white-space:pre-wrap}#print-record table{font-size:10pt}#print-record h2{font-size:18pt;margin-top:20px}}
.panel .two>div>svg{width:100%;height:110px}.panel .two>div>p{text-align:center}dt{margin-top:16px}dd{margin:4px 0 0;color:var(--muted)}
.timeline>*{min-width:0}.generation .mouse{width:100%;max-width:70px}.split>*{min-width:0}@media(max-width:600px){.two{grid-template-columns:1fr}.panel .two:has(svg){grid-template-columns:1fr 1fr}.timeline{grid-template-columns:repeat(5,minmax(0,1fr))}.generation b,.generation span{font-size:10px}.generation{padding:10px 2px}.generation .mouse{height:38px}.tools{flex-wrap:wrap}.tools a{margin-right:auto}}

@media(min-width:761px) and (max-width:900px){.split,.wide-left{grid-template-columns:1fr}.artpanel{min-height:0}}
/* Extended investigation */
#chapters{grid-template-columns:repeat(11,minmax(0,1fr));max-width:1390px}#chapters button{font-size:11px}.learning{margin-bottom:22px}.learning p{max-width:1050px}.learning td:first-child{font-weight:650;width:26%}.intro-art svg{width:100%}.pokemon-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:22px 0}.pokemon-card{min-width:0;text-align:center;border:1px solid var(--line);border-radius:12px;padding:8px;opacity:.5;transition:opacity .35s,background .35s}.pokemon-card.current{opacity:1;background:#ede6d3;border-color:var(--gold)}.pokemon-card img{width:100%;height:auto;image-rendering:pixelated}.pokemon-card strong,.pokemon-card span{display:block;font-size:13px}.pokemon-card span{font-size:11px;color:var(--muted)}.mouse-procedure{height:230px;display:flex;align-items:center;justify-content:center;gap:18px;position:relative}.mouse-large{width:190px}.mouse-large svg{width:100%;height:auto}.tail-removed svg>path:first-child{opacity:0;transition:opacity .3s}.cut-mark{position:absolute;left:calc(50% - 102px);top:123px;color:#876d4f;font-size:34px}.mouse-young{display:flex;flex-wrap:wrap;width:150px}.mouse-young svg{width:70px}.generation-arrow{font-size:38px}.film-panel{display:grid;grid-template-columns:1fr 1.1fr;gap:28px;margin-bottom:24px}.film-panel p{font-size:14px}.film-slot{aspect-ratio:16/9;background:#e3e8dd;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:16px;text-align:center;overflow:hidden}.film-slot iframe{width:100%;height:100%;border:0;flex:1}.film-slot:has(iframe){padding:0}.biographies{margin-bottom:24px}.portrait{width:118px;height:150px;object-fit:cover;object-position:50% 15%;float:left;margin:0 20px 12px 0;border-radius:7px;filter:sepia(.16)}.biographies .panel{overflow:auto}.biographies p{font-size:14px}.animal-art .faded{opacity:.2}.animal-art .finch{animation:appear .6s ease-out}.map svg{width:100%;height:auto;display:block}.storm-transition:after{content:'';position:absolute;inset:0 0 45px;background:repeating-linear-gradient(115deg,transparent 0 24px,#ffffff99 25px 27px,transparent 28px 50px),#344d59;pointer-events:none;animation:storm 1.15s ease-out forwards}.storm-transition svg{animation:shoreReveal 1.15s ease-out}hr{border:0;border-top:1px solid var(--line);margin:22px 0}@keyframes storm{0%{opacity:0;transform:translateX(-10%)}35%{opacity:.85}100%{opacity:0;transform:translateX(10%)}}@keyframes shoreReveal{0%,35%{filter:brightness(.7)}100%{filter:none}}@keyframes appear{from{opacity:.2}to{opacity:1}}@media(max-width:1100px){#chapters{grid-template-columns:repeat(6,minmax(0,1fr))}.biographies{grid-template-columns:1fr}.portrait{width:100px;height:132px}}@media(max-width:760px){#chapters{grid-template-columns:repeat(4,minmax(0,1fr))}.film-panel{grid-template-columns:1fr}.mouse-large{width:145px}.mouse-procedure{gap:8px}.mouse-young{width:115px}.mouse-young svg{width:55px}.learning td:first-child{width:33%}.learning th,.learning td{padding:8px 5px}.pokemon-card{padding:4px}.pokemon-card strong{font-size:11px}}@media(prefers-reduced-motion:reduce){.storm-transition:after{display:none}*,*:before,*:after{animation:none!important;transition:none!important}}
.offspring-question{display:block;text-align:center;font-size:32px;color:#786c46}.offspring-question small{display:block;font-size:12px;line-height:1.5}.animal-art .finch.faded{animation:none}
.pokemon-card{opacity:1}.pokemon-card img{opacity:.55;transition:opacity .3s}.pokemon-card.current img{opacity:1}textarea+p,textarea+button{margin-top:12px}
.bottom,.footlinks{width:calc(100% - 56px);max-width:1244px;margin-left:auto;margin-right:auto}@media(max-width:760px){.bottom,.footlinks{width:calc(100% - 36px)}}
/* Revised reading width and evidence displays */
.scene-head h1,.scene-head .lead,h2,h3{max-width:none;text-wrap:wrap;word-break:normal;hyphens:none}.scene-head h1 br{display:none}.choices{gap:10px}.choices button{line-height:1.45;padding:14px 16px;white-space:normal;word-break:normal;text-align:left;flex-basis:200px}.choices:has([data-choice="changes"]){display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.pokemon-card img{opacity:1}.pokemon-card.unrevealed img{filter:brightness(0);opacity:1}.pokemon-card strong{font-size:16px}.pokemon-card span{margin-top:5px}.learning{display:flow-root}.learning .data-scroll{clear:both;padding-top:16px}.synthesis,.procedure-panel{margin-top:24px}fieldset{border:0;margin:0;padding:0;min-width:0}fieldset:disabled{opacity:.55}.mouse-pair{display:flex;align-items:center;justify-content:center;gap:20px;width:100%}.mouse-pair>div{width:160px;text-align:center}.mouse-pair svg{width:100%}.heart{color:#a96e62;font-size:38px}.repeat-mice{display:flex;gap:25px;align-items:center;flex-wrap:wrap;justify-content:center}.repeat-mice>span{font-size:90px;color:#748c72}.repeat-mice svg{width:150px}.repeat-mice p{text-align:center}.procedure-panel .artpanel{max-width:720px;margin:auto}.map-highlight{opacity:0;pointer-events:none}.map-highlight.active{opacity:1}.species-photo{margin:24px 0 0}.species-photo img{display:block;width:100%;max-height:280px;object-fit:contain;background:#eee8d9;border-radius:6px}.species-photo figcaption{font-size:12px;line-height:1.5;margin-top:10px;color:#5d6c63}.order-list li{position:relative}.drag-handle{touch-action:none;cursor:grab;align-self:center;padding:8px;color:var(--ink);font-size:12px}.dragging{opacity:.6}.drop-target{outline:3px dashed #a67740;outline-offset:3px}.beak-comparison{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:15px 25px;background:#e9ecdf}.beak-comparison>div{text-align:center}.beak-comparison svg{display:block;width:100%;max-height:130px}.beak-note,.selection-caption{padding:10px 20px;margin:0;background:#f0eddf;line-height:1.5}.selection-caption{font-size:14px}.animation-control{margin:10px 20px 16px}.animal-art.replaying .finch{animation:bird-arrival .7s both}.animal-art.replaying .finch:nth-of-type(3n){animation-delay:.15s}.animal-art.stage-1.replaying .finch.faded{animation:bird-fade 1.4s both}@keyframes bird-arrival{from{opacity:.2}to{opacity:1}}@keyframes bird-fade{from{opacity:1}to{opacity:.15}}@media(max-width:600px){.choices:has([data-choice="changes"]){grid-template-columns:1fr}.mouse-pair{gap:8px}.mouse-pair>div{width:115px}.order-list li{flex-wrap:wrap}.drag-handle{min-height:40px}.beak-comparison{gap:10px;padding:10px}.scene-head h1{font-size:clamp(30px,7vw,44px)}}@media(prefers-reduced-motion:reduce){.animal-art.replaying .finch{animation:none!important}}
/* Consistent scene navigation and evidence controls */
#chapters button.visited span:after{content:none}#chapters button{display:flex;flex-direction:column;justify-content:flex-start;align-items:center;gap:5px;line-height:1.4;min-height:76px}#chapters button span{margin:0}#chapters{align-items:stretch}.portrait{object-fit:contain;object-position:center;border-radius:0}.choices:has([data-choice="evidenceChoice"]){display:grid;grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch}.choices:has([data-choice="evidenceChoice"]) button{height:100%;min-height:64px}.film-slot{padding:0;aspect-ratio:16/9;min-height:0;background:#101010;align-self:center}.film-slot iframe{display:block;width:100%;height:100%;border:0}.footlinks [hidden]{display:none!important}button:disabled{background:#e2e3dd!important;color:#747c75!important;border-color:#d0d3cc!important;opacity:1;cursor:not-allowed}.finch-photos{display:grid;grid-template-columns:1fr 1fr;gap:14px}.finch-photos figure{margin:0}.finch-photos img{width:100%;height:190px;object-fit:contain;background:#ebe8dd}.finch-photos figcaption{font-size:12px;line-height:1.5;margin-top:8px}.photo-credit{font-size:11px;color:var(--muted)}@media(max-width:650px){.choices:has([data-choice="evidenceChoice"]){grid-template-columns:1fr}.finch-photos{grid-template-columns:1fr}.finch-photos img{height:auto;max-height:260px}#chapters button{min-height:68px}}
/* Portrait framing restored; only Lamarck uses the full-image treatment. */
.portrait{object-fit:cover;object-position:50% 15%;border-radius:7px}.portrait[src="assets/lamarck.jpg"]{object-fit:contain;object-position:center;border-radius:0}.mouse-pair>div:last-child svg{transform:scaleX(-1)}.historical-vignette>svg{width:100%;height:auto;aspect-ratio:520 / 330;display:block}.before-after{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}.before-after button{text-align:left;padding:14px 16px;font-size:12px;line-height:1.4;border-radius:10px}.before-after button span{display:block;font-size:16px;font-weight:700;margin-bottom:4px}

/* Keep biography text alongside each portrait; credits use a shared full-width row. */
.biographies>article{display:grid;grid-template-columns:110px minmax(0,1fr);column-gap:18px;align-content:start;align-items:start}
.biographies>article>.portrait{grid-column:1;grid-row:1 / 4;float:none;margin:0;width:110px}
.biographies>article>.tag,.biographies>article>h3,.biographies>article>p:not(.mini){grid-column:2}
.biographies>article>.tag{justify-self:start}
.biographies>article>.mini{grid-column:1 / -1}
@media(max-width:480px){.biographies>article{grid-template-columns:80px minmax(0,1fr);column-gap:14px}.biographies>article>.portrait{width:80px}.biographies>article>p:not(.mini){grid-column:1 / -1}.biographies>article>.portrait{grid-row:1 / 3}}