:root{color-scheme:dark;--bg:#101a21;--panel:#1b2a34;--line:#344852;--text:#f2f5ef;--muted:#b5c6c9;--mint:#82d7bb;--gold:#eaca85}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-underline-offset:4px}button,a,input{touch-action:manipulation}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.6}button:focus-visible,a:focus-visible{outline:3px solid var(--gold);outline-offset:4px}button{min-height:44px;border:1px solid var(--line);border-radius:14px;background:#233742;padding:11px 18px}button:hover:not(:disabled){border-color:var(--mint)}button.primary,.primary{background:var(--mint);border-color:var(--mint);color:#102920;font-weight:700}button.secondary{background:transparent}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(32px,4.5vw,48px);line-height:1.15;letter-spacing:-.035em;margin-bottom:12px}h2{font-size:25px;line-height:1.3;letter-spacing:-.02em}h3{font-size:19px;line-height:1.35}small,.muted{color:var(--muted)}small{display:block;font-size:12px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.19em;color:var(--mint);text-transform:uppercase;margin-bottom:14px}.demo-notice{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:10px max(20px,calc((100% - 1100px)/2));background:#25372f;font-size:12px}.demo-notice>div{display:flex;align-items:center;gap:12px}.demo-notice strong{font-size:10px;letter-spacing:.1em;padding:3px 7px;border:1px solid #78b392;border-radius:5px}.demo-notice a{white-space:nowrap}.app-header{max-width:1148px;padding:26px 24px;margin:auto;display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid var(--line)}.brand{display:flex;gap:14px;align-items:center;text-decoration:none;font-size:21px;font-weight:760}.brand img{border-radius:18px}.brand small{font-weight:400}.profile{display:flex;gap:12px;align-items:center;font-size:14px}.avatar{display:grid;place-items:center;border:1px solid var(--mint);background:#315449;color:var(--mint);width:42px;height:42px;border-radius:50%;font-weight:700}.coins{padding:7px 14px;border:1px solid var(--line);border-radius:22px;color:var(--gold);white-space:nowrap}.coins span:first-child{padding-right:5px}main{width:min(1100px,calc(100% - 48px));margin:32px auto 0;padding-bottom:150px}main:focus{outline:none}.intro{display:flex;justify-content:space-between;gap:24px;margin-bottom:30px;align-items:center}.intro p:last-child{margin:0;color:var(--muted);max-width:600px}.weather{min-width:116px;text-align:center;border:1px solid var(--line);border-radius:50%;padding:20px 12px;background:#223b43}.weather svg{width:44px;height:44px;color:var(--gold);display:block;margin:auto}.weather b{font-size:25px}.weather small{font-size:10px}.pace{display:flex;align-items:center;gap:12px;flex-wrap:wrap;border-block:1px solid var(--line);padding:16px 0;margin:24px 0}.pace>span{color:var(--muted);font-size:13px;margin-right:auto}.pace button{font-size:13px;min-height:40px;padding:7px 15px;background:transparent}.pace [aria-pressed=true],.week [aria-pressed=true],.palette [aria-pressed=true]{border-color:var(--mint);background:#294b43;color:#c9f6e6}.two-col{display:grid;grid-template-columns:1.4fr 1fr;gap:22px;align-items:start}.card{background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:26px;margin-bottom:22px}.card p{color:var(--muted)}.card p:last-child{margin-bottom:0}.card .eyebrow{color:var(--mint)}.feature-card{background:linear-gradient(130deg,#233e3d,#1b2a34)}.card-head{display:flex;justify-content:space-between;align-items:start;gap:16px}.card-head svg{color:var(--mint);width:32px;height:32px;flex:none}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px}.progress-track{height:6px;display:flex;gap:6px;margin:22px 0}.progress-track span{flex:1;background:#3b5059;border-radius:4px}.progress-track span.done{background:var(--mint)}.timeline{list-style:none;padding:0;margin:0}.timeline li{display:grid;grid-template-columns:30px 1fr auto;gap:12px;align-items:center;padding:15px 0;border-bottom:1px solid var(--line)}.timeline li:last-child{border-bottom:0}.timeline .number{width:27px;height:27px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;font-size:12px;color:var(--mint)}.timeline b{font-size:14px}.timeline button{padding:6px 12px;font-size:12px;min-height:38px}.pill{font-size:11px;border:1px solid var(--line);border-radius:12px;padding:3px 10px;color:var(--mint);white-space:nowrap}.week{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:22px 0}.week button{padding:16px 8px}.week b{display:block;font-size:20px}.week small{margin-bottom:4px}.lesson-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.lesson-tile{padding:24px;display:flex;flex-direction:column;align-items:start}.lesson-tile .art-icon{width:60px;height:60px;border-radius:18px;display:grid;place-items:center;background:#284640;color:var(--mint);margin-bottom:22px}.art-icon svg{width:30px;height:30px}.lesson-tile p{flex:1}.lesson-tile button{width:100%;margin-top:10px}.bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:10;background:#14212b;border-top:1px solid var(--line);padding:10px max(18px,calc((100% - 840px)/2)) calc(10px + env(safe-area-inset-bottom));display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px;align-items:center}.bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:4px;text-decoration:none;color:var(--muted);border-radius:14px;padding:9px 2px;font-size:11px;font-weight:700;min-height:60px}.bottom-nav svg{width:23px;height:23px}.bottom-nav a[aria-current=page]{background:#264239;color:var(--mint)}.bottom-nav .camera{justify-self:center;display:grid;place-items:center;width:70px;height:70px;border-radius:50%;background:var(--mint);color:#122c25;transform:translateY(-20px);border:6px solid #101a21;box-shadow:0 0 0 2px #456c67;padding:10px}.camera svg{width:30px;height:30px}.sample-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.sample-pick{border-radius:22px;padding:24px;text-align:left;background:var(--panel)}.sample-pick svg{width:90px;height:90px;display:block;color:var(--mint);margin:8px auto 25px}.sample-pick b{display:block}.sample-result .specimen{display:grid;place-items:center;background:#223f3a;border-radius:18px;min-height:200px;margin-bottom:22px}.specimen svg{width:140px;height:140px;color:var(--mint)}.notice{padding:16px 20px;border-left:3px solid var(--mint);background:#1a3034;border-radius:0 12px 12px 0;color:var(--muted);font-size:14px;margin:22px 0}.island-frame{padding:32px;border-radius:20px;background:#163b4d;margin:20px 0}.island-map{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:5px;max-width:400px;margin:0 auto;padding:13px;background:#e0c695;border-radius:42% 30% 32% 28%}.island-map button{border:0;aspect-ratio:1;padding:4px;min-height:0;border-radius:8px;background:#507f58;color:#fff4d1}.island-map button:nth-child(even){background:#608f65}.island-map svg{width:70%;height:70%;display:block;margin:auto}.palette{display:flex;flex-wrap:wrap;gap:10px}.palette button svg{width:20px;height:20px;vertical-align:middle;margin-right:7px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:24px}.metrics>div{border:1px solid var(--line);border-radius:16px;padding:15px}.metrics b{font-size:26px;color:var(--mint)}.evidence{padding:18px 0;border-top:1px solid var(--line)}.evidence h3{margin-bottom:8px}.evidence small{margin-bottom:10px}dialog{background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:26px;width:min(720px,calc(100% - 28px));max-height:calc(100dvh - 36px);padding:30px;overflow:auto}dialog::backdrop{background:#071217dc}dialog .close-row{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:22px}dialog .close-row p{margin:0}dialog .close-row button{font-size:13px;min-height:38px;padding:6px 12px}dialog h2{font-size:30px}dialog .lesson-art{display:grid;place-items:center;background:#203c40;padding:24px;border-radius:18px;margin-bottom:25px;min-height:170px}dialog .lesson-art>svg{width:120px;height:120px;color:var(--mint)}.block-groups{display:flex;gap:24px;justify-content:center;flex-wrap:wrap}.block-group{display:grid;grid-template-columns:repeat(2,30px);gap:5px}.block-group span{height:30px;background:var(--mint);border:2px solid #b0edd7;border-radius:6px}.answer-options{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}.answer-options button{min-width:72px}.feedback{min-height:24px;color:var(--mint);font-weight:600;margin-top:20px}.dialog-footer{display:flex;justify-content:space-between;gap:12px;margin-top:26px;align-items:center}.reading{font-size:22px;line-height:1.7}.no-script{padding:30px}.skip{position:absolute;left:20px;top:-100px;z-index:100;background:var(--mint);color:#122c25;padding:12px}.skip:focus{top:10px}.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(max-width:760px){.app-header{padding:20px}.brand small{display:none}.profile>span:nth-child(2){display:none}.two-col{grid-template-columns:1fr}.lesson-list{grid-template-columns:1fr}.sample-grid{grid-template-columns:1fr}.sample-pick{display:grid;grid-template-columns:80px 1fr;gap:16px;align-items:center}.sample-pick svg{width:65px;height:65px;margin:0}.sample-pick small{grid-column:2}.sample-pick b{align-self:end}.sample-pick svg{grid-row:span 2}main{width:calc(100% - 36px);margin-top:26px}.intro{gap:14px}.weather{min-width:97px;padding:13px 7px}.card{padding:22px}.demo-notice{padding:9px 18px;align-items:start}.demo-notice>div{align-items:start;gap:8px}.demo-notice span{max-width:250px;font-size:11px}.demo-notice a{font-size:11px}.week{gap:6px}.week button{padding:12px 3px;font-size:12px}.island-frame{padding:20px}.metrics{gap:7px}.metrics>div{padding:12px}.metrics small{font-size:11px}dialog{padding:22px}}
@media(max-width:440px){.brand{font-size:17px;gap:10px}.brand img{width:44px;height:44px;border-radius:12px}.avatar{width:32px;height:32px}.profile{gap:7px}.coins{padding:5px 9px}.bottom-nav{gap:2px;padding-inline:6px}.bottom-nav a{font-size:9px;letter-spacing:-.02em}.bottom-nav .camera{width:58px;height:58px;padding:8px}.bottom-nav .camera svg{width:23px;height:23px}.intro h1{font-size:32px}.intro p{font-size:14px}.pace{gap:8px}.pace>span{flex-basis:100%}.pace button{font-size:12px;padding:7px 13px}.timeline{font-size:13px}.timeline li{gap:8px;grid-template-columns:26px 1fr auto}.timeline button{padding:5px 8px}.card-head h2{font-size:23px}.block-groups{gap:16px}dialog h2{font-size:26px}.reading{font-size:19px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}