@font-face{font-family:LocalSans;src:local('Nunito Sans'),local('Segoe UI'),local('DejaVu Sans');font-display:swap}
:root{--green:#234e3c;--forest:#193e2e;--lime:#d6eaae;--ink:#24382f;--muted:#6b786d;--bg:#f6f5ef;--line:#dfe4d9;--orange:#e9a15d;--purple:#b8a9dc;--blue:#8bbbc8;--paper:#fffefa;--shadow:0 6px 22px #24382f08}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:LocalSans,system-ui,sans-serif;font-size:16px;line-height:1.6}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.48;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,[role=button]:focus-visible{outline:3px solid #db922d;outline-offset:4px}a{color:var(--green)}button{color:inherit}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.18}h1{font-size:clamp(30px,4vw,48px);font-weight:800;letter-spacing:-1.6px}h2{font-size:27px;letter-spacing:-.8px}h3{font-size:18px}p{line-height:1.65}.muted,.subtle{color:var(--muted)}.small{font-size:13px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:var(--muted)}.shell{display:grid;grid-template-columns:254px minmax(0,1fr);min-height:100vh}.sidebar{background:#fdfcf7;border-right:1px solid var(--line);padding:32px 22px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:28px;overflow-y:auto}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;font-size:17px;font-weight:800;line-height:1.2;letter-spacing:-.5px}.brand small{display:block;margin-top:5px;font-size:11px;letter-spacing:.7px;font-weight:500;color:var(--muted)}.brand-mark{background:var(--green);color:white;width:43px;height:47px;display:grid;place-items:center;border-radius:12px;font-family:Georgia,serif;font-size:29px;flex-shrink:0}.nav-button{border:0;background:transparent;padding:11px 12px;border-radius:10px;display:flex;align-items:center;gap:12px;text-align:left;width:100%;font-size:13px;line-height:1.5}.nav-button.active{background:#e9efdf;color:var(--forest);font-weight:750}.nav-button:hover{background:#eff1e8}.nav-button .nav-icon{font-size:20px;min-width:25px}.topic-list{display:flex;flex-direction:column;gap:6px;margin-top:13px}.topic-dot{height:26px;width:26px;border:1px solid #ccd7c5;border-radius:50%;display:grid;place-items:center;font-size:11px;flex-shrink:0}.topic-dot.done{background:var(--green);color:white}.nav-progress{margin-left:auto;font-size:10px;color:var(--muted)}.side-bottom{margin-top:auto}.student{display:flex;align-items:center;gap:11px;border-top:1px solid var(--line);padding-top:21px}.avatar{background:#f4dcbb;border-radius:50%;width:38px;height:38px;display:grid;place-items:center;font-weight:bold}.student strong{display:block;font-size:13px}.student span{font-size:11px}.workspace{min-width:0}.topbar{height:82px;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:0 44px;border-bottom:1px solid var(--line);background:#fdfcf780}.topbar .breadcrumb{font-size:13px;color:var(--muted)}.top-actions{display:flex;align-items:center;gap:15px}.save-status{font-size:12px;color:#416644;display:flex;align-items:center;gap:7px}.save-status:before{content:'';height:7px;width:7px;background:#6f9c5d;border-radius:100%}.save-status.pending{color:#946220}.save-status.pending:before{background:#dfac41}.save-status.error{color:#a83e26}.save-status.error:before{background:#c96142}.icon-button{background:none;border:0;padding:7px;font-size:19px}.mobile-menu{display:none}.content{max-width:1130px;margin:auto;padding:36px 44px 48px}.greeting-line{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.chip{display:inline-flex;align-items:center;gap:7px;font-size:11px;padding:5px 11px;border-radius:20px;border:1px solid #d9e0d0;background:#fbfcf6;color:#55694c}.hero{background:#eaf0dd;min-height:266px;border:1px solid #d9e3c9;border-radius:20px;display:grid;grid-template-columns:1.3fr 1fr;align-items:center;padding:35px 37px;position:relative;overflow:hidden}.hero h1 em{font-style:normal;color:#6d8544}.hero p{font-size:14px;max-width:400px;margin-top:14px;color:#546549}.hero-art{position:relative;height:205px;display:flex;align-items:center;justify-content:center;gap:14px}.hero-grid{width:88px;height:88px;display:grid;grid-template-columns:1fr 1fr;gap:4px;transform:rotate(-12deg);margin-top:-30px}.hero-grid span{background:#9db66b;border:2px solid #729644;border-radius:7px}.hero-grid span:last-child{background:#f6f5e9}.hero-disc{width:116px;height:116px;background:conic-gradient(#e7ae64 0deg 270deg,#faf8e9 270deg);border:3px solid #aa743b;border-radius:50%;transform:rotate(15deg);box-shadow:7px 10px 0 #d8dec2}.math-label{position:absolute;bottom:0;left:30%;font-family:Georgia,serif;font-size:29px;transform:rotate(-8deg);color:var(--green)}.art-star{position:absolute;font-size:27px;color:#759151;top:9px;right:29px}.progress-strip{display:grid;grid-template-columns:1fr auto;align-items:center;gap:25px;padding:22px 0 26px}.progress-caption{display:flex;align-items:center;justify-content:space-between;margin-bottom:9px;font-size:12px}.progress-track{height:7px;background:#e2e7d9;border-radius:10px;overflow:hidden}.progress-track>span{display:block;height:100%;background:#789752;border-radius:inherit;transition:width .25s}.primary,.secondary,.soft-button,.danger{display:inline-flex;justify-content:center;align-items:center;gap:10px;text-decoration:none;border-radius:10px;padding:12px 20px;font-size:13px;font-weight:700;min-height:46px;border:1px solid transparent}.primary{background:var(--green);color:white}.primary:hover{background:#163e2b}.secondary{background:white;border-color:#d7dece}.secondary:hover{background:#eff3e8}.soft-button{background:#edf2e4;border-color:#dce5cf}.danger{background:#aa442e;color:white}.text-button{border:0;background:none;color:var(--green);font-weight:650;font-size:12px;padding:7px}.section-heading{display:flex;justify-content:space-between;align-items:center;margin:6px 0 17px}.section-heading h2{font-size:21px}.roadmap{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.topic-card{border:1px solid var(--line);background:var(--paper);border-radius:14px;padding:18px;display:flex;gap:15px;align-items:center;text-align:left;transition:transform .15s,box-shadow .15s}.topic-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#a9bc99}.topic-card h3{font-size:14px;line-height:1.35}.topic-card p{font-size:11px;margin-top:5px;color:var(--muted)}.topic-art{height:47px;width:47px;display:grid;place-items:center;border-radius:12px;flex-shrink:0;background:#eff0df;font-size:23px;font-family:Georgia,serif}.topic-card:nth-child(4n+2) .topic-art{background:#f9e9d6}.topic-card:nth-child(4n+3) .topic-art{background:#e4eff1}.topic-card:nth-child(4n) .topic-art{background:#eee8f4}.card-arrow{margin-left:auto;color:#7a8e6e}.paper-note{display:flex;align-items:center;gap:12px;margin-top:22px;font-size:12px;color:#718063}.paper-note span{font-size:21px}.activity-top{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:25px}.activity-top h1{font-size:29px;letter-spacing:-.8px;margin-top:8px}.page-jump{padding:9px 10px;border:1px solid var(--line);background:white;border-radius:8px;font-size:12px;max-width:220px}.question-tabs{display:flex;align-items:center;gap:8px;margin-bottom:20px;flex-wrap:wrap}.question-tabs button{border:1px solid #dce1d4;background:transparent;border-radius:50%;width:34px;height:34px;font-size:12px}.question-tabs button.current{background:var(--green);color:white;border-color:var(--green)}.question-tabs button.done:not(.current){background:#e3edcf;border-color:#cadabb}.question-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:30px 34px;box-shadow:var(--shadow)}.question-meta{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#7b866f;margin-bottom:14px}.question-card h2{font-size:28px;margin-bottom:11px}.question-prompt{font-size:16px;max-width:760px}.exercise-fields{display:flex;flex-direction:column;gap:26px;margin-top:28px}.field-label{display:block;font-weight:650;font-size:14px;margin-bottom:13px}.field-label .field-letter{color:#8b987e;font-weight:500;margin-right:9px}.field{min-width:0}.number-input{width:100px;padding:11px 13px;background:#fff;border:1.5px solid #c8d4bd;border-radius:9px;color:var(--green);font-size:21px;text-align:center}.fraction-input{display:inline-flex;gap:15px;align-items:center}.fraction-stack{display:flex;flex-direction:column;gap:5px;align-items:center}.fraction-stack .number-input{height:46px;width:73px;padding:4px}.fraction-rule{height:2px;width:74px;background:#536944}.mixed-whole{width:75px;height:55px}.fraction-input small{color:#7e8d74;font-size:11px}.part-label{display:flex;align-items:center;gap:10px}.choices{display:flex;gap:10px;flex-wrap:wrap}.choice{padding:12px 22px;border-radius:10px;background:white;border:1.5px solid #dbe2d3;min-width:80px;font-size:15px;min-height:48px}.choice.selected{background:#e5efcf;border-color:#6e9246;color:#274d29;box-shadow:inset 0 0 0 1px #6e9246}.choice .check{margin-right:7px}.explanation{resize:vertical;min-height:115px;padding:13px 15px;width:100%;border:1.5px solid #d4dfcb;border-radius:10px;background:#fff;font-size:15px;line-height:1.6}.input-hint{font-size:11px;color:#839077;margin-top:7px}.drawing-wrap{background:#fafbf5;border:1px solid #e3e8d9;border-radius:12px;padding:22px;max-width:750px}.drawing-tools{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:16px;font-size:12px}.drawing-tools select{border:1px solid #cdd8c0;border-radius:7px;background:#fff;padding:6px 10px}.paint-count{font-size:11px;color:#70815c;margin-top:8px}.shapes{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.shape-svg{display:block;overflow:visible;max-width:100%;height:auto;touch-action:manipulation}.shape-svg .part{stroke:#7d9570;stroke-width:1.7;fill:#fffefa;transition:fill .13s;cursor:pointer}.shape-svg .part.on{fill:#a5c96d}.shape-svg .part:hover{fill:#d8e8bd}.shape-svg .part.on:hover{fill:#8fb555}.shape-svg 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15px;background:#f4f4e9;border-radius:12px;margin-top:22px;display:flex;justify-content:center;gap:30px;align-items:center;flex-wrap:wrap}.scene-label{font-size:12px;text-align:center;margin-top:10px;color:#677456}.loaf{height:67px;border-radius:33px 28px 12px 12px;background:#ce9652;border:3px solid #88622f;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-evenly}.loaf:after{content:'';position:absolute;width:50%;background:#eac58f;height:100%;left:0;top:0;border-right:2px dashed #7b552d}.loaf span{height:30px;width:6px;background:#9d6d32;transform:rotate(25deg);z-index:1}.person-scene{font-size:51px;text-align:center}.route-scene{width:100%;padding:0 15px}.route-buildings{display:flex;justify-content:space-between}.route-buildings>div{font-size:34px;text-align:center}.route-buildings span{display:block;font-size:11px}.route-track{height:3px;background:#69815b;display:flex;justify-content:space-between;margin:10px 4%}.route-track i{height:16px;width:3px;background:#69815b;margin-top:-6px}.bottle{height:155px;width:84px;border:4px solid #799188;border-radius:17px 17px 12px 12px;background:linear-gradient(to top,#f1c66b 0% 75%,#f9faf1 75%);position:relative;display:flex;flex-direction:column;justify-content:space-evenly}.bottle:before{content:'';position:absolute;left:20px;right:20px;top:-19px;height:16px;border-radius:4px;background:#749082}.bottle span{display:block;height:2px;width:23px;background:#7d926f;margin-left:10px}.paper-check{border:1.5px dashed #acbb98;border-radius:11px;padding:17px;display:flex;align-items:center;gap:12px;background:#f7f9f1;text-align:left;width:100%;font-size:14px}.paper-check.selected{border-style:solid;border-color:#78994f;background:#eaf1dc}.check-box{display:grid;place-items:center;width:24px;height:24px;border-radius:6px;border:1.5px solid #8f9f7b;background:white;flex-shrink:0}.selected .check-box{background:var(--green);color:white;border-color:var(--green)}.bottom-controls{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:21px 0}.activity-note{font-size:11px;color:#7d8974;text-align:center;margin-top:10px}.help-panel{margin-top:18px;border-top:1px solid var(--line);padding-top:16px}.help-panel summary{cursor:pointer;font-size:13px;color:#5c7546}.help-panel p{padding:14px 0;font-size:14px;color:#687c57}.finish-card{padding:30px;background:#eaf0dd;border-radius:14px;margin-bottom:25px}.finish-card p{margin:12px 0 20px}.review-summary{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}.stat{background:white;padding:14px 18px;border-radius:10px;border:1px solid var(--line);flex:1;min-width:120px}.stat strong{display:block;font-size:28px}.stat span{font-size:11px;color:var(--muted)}.review-question{background:white;border:1px solid var(--line);border-radius:12px;padding:17px 20px;margin:12px 0}.review-question summary{cursor:pointer;font-weight:650;font-size:14px}.review-question .review-field{padding:17px 0;border-bottom:1px solid #edf0e7}.review-question .review-field:last-child{border:0}.review-label{font-size:13px;font-weight:650}.review-value{font-size:13px;margin-top:6px;white-space:pre-wrap;overflow-wrap:anywhere}.status-tag{padding:3px 8px;font-size:10px;border-radius:15px;background:#edf0e7;margin-left:8px;display:inline-block}.status-tag.correct{background:#dfefcf;color:#3b692b}.status-tag.incorrect{background:#f8e3d5;color:#925437}.review-rubric{font-size:12px;color:#68725f;background:#f5f7f0;padding:10px;margin-top:10px;border-radius:6px}.review-actions{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}.review-actions button{font-size:11px;padding:6px 10px;border:1px solid #d6dfcc;border-radius:6px;background:#fff}.review-actions button.selected{background:#e4edda}.review-actions input{width:100%;margin-top:5px;padding:8px 10px;border:1px solid var(--line);border-radius:6px;font-size:12px}.review-toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px;align-items:center}.review-toolbar select{padding:9px;border:1px solid var(--line);background:white;border-radius:8px;max-width:100%;font-size:13px}.coverage-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:20px}.coverage-item{padding:14px;background:white;border:1px solid var(--line);border-radius:9px;font-size:12px}.coverage-item strong{display:block}.coverage-note{font-size:13px;margin:16px 0}.loading{display:grid;place-items:center;min-height:80vh;align-content:center;gap:20px;text-align:center;padding:25px}.loading h1{font-size:28px}#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(100px);background:#264634;color:white;padding:12px 22px;border-radius:12px;box-shadow:0 7px 25px #0002;z-index:20;transition:transform .2s;font-size:13px;max-width:90vw}#toast.visible{transform:translateX(-50%) translateY(0)}dialog{padding:28px;border:1px solid var(--line);border-radius:18px;width:460px;max-width:92vw;background:var(--paper);color:var(--ink);box-shadow:0 15px 70px #0003}dialog::backdrop{background:#172c2466;backdrop-filter:blur(3px)}dialog h2{font-size:24px}dialog p{font-size:14px;margin:16px 0 23px}.dialog-buttons{display:flex;gap:10px;justify-content:flex-end}.skip{position:fixed;top:-80px;left:20px;padding:12px;background:white;z-index:50}.skip:focus{top:12px}.empty-warning{background:#fff1d8;border:1px solid #edcf9b;border-radius:9px;padding:13px;margin:15px 0;font-size:13px}.offline-banner{padding:10px 44px;background:#fff0d5;color:#8e5e2a;font-size:12px}.home-footer{display:flex;justify-content:space-between;margin-top:26px;padding-top:20px;border-top:1px solid var(--line);font-size:11px;color:#839177}.print-only{display:none}
@media(min-width:1500px){.content{padding-top:48px}.hero{min-height:290px}.topic-card{padding:21px}}
@media(max-width:1100px){.shell{grid-template-columns:220px minmax(0,1fr)}.sidebar{padding:25px 16px}.content{padding:28px}.topbar{padding:0 28px}.hero{padding:27px}.hero-art{transform:scale(.85)}.hero h1{font-size:37px}.question-card{padding:26px}}
@media(max-width:820px){.shell{grid-template-columns:1fr}.sidebar{display:none}.sidebar.open{display:flex;position:fixed;z-index:30;width:254px;box-shadow:10px 0 40px #0003}.mobile-menu{display:block}.topbar{height:66px;padding:0 20px}.topbar .breadcrumb{font-size:11px}.content{padding:24px 20px}.hero{grid-template-columns:1.4fr 1fr}.hero h1{font-size:35px}.hero-art{transform:scale(.8);transform-origin:center}.save-status{font-size:11px}.question-card{padding:23px}.activity-top{align-items:flex-start}.activity-top h1{font-size:25px}.page-jump{max-width:175px}}
@media(max-width:550px){.hero{grid-template-columns:1fr;min-height:auto;padding:26px}.hero-art{position:absolute;right:-15px;bottom:-27px;opacity:.25;transform:scale(.7)}.hero h1,.hero p{position:relative;z-index:1}.hero p{max-width:280px}.hero h1{font-size:35px}.hero{min-height:235px}.greeting-line .chip{display:none}.roadmap{grid-template-columns:1fr}.progress-strip{grid-template-columns:1fr;gap:15px}.progress-strip>.primary{width:100%}.content{padding:20px 15px}.question-card{padding:20px 16px;border-radius:13px}.question-card h2{font-size:25px}.question-prompt{font-size:15px}.drawing-wrap{padding:16px 10px}.activity-top{flex-direction:column;gap:12px}.page-jump{max-width:100%}.top-actions{gap:4px}.topbar .breadcrumb{display:none}.bottom-controls .secondary,.bottom-controls .primary{padding:11px 15px}.coverage-list{grid-template-columns:1fr}.fraction-input small{font-size:10px}.scene{gap:19px}.number-line{min-width:350px}.review-summary{gap:8px}.stat{min-width:110px}.home-footer{gap:15px}.question-meta{font-size:10px}.exercise-fields{gap:25px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{body{background:white;font-size:12px}.sidebar,.topbar,.activity-top,.question-tabs,.bottom-controls,.help-panel,.review-toolbar,.review-actions,.skip,#toast{display:none!important}.shell{display:block}.content{padding:0;max-width:none}.question-card{box-shadow:none;border:0;padding:0}.review-question{break-inside:avoid}.review-question>summary{display:block}.review-question>.review-field{display:block}.print-only{display:block}}
/* Exam versions are separate adventures; a route uses the actual stop positions. */
.scene-counting{width:100%}.scene-counting .input-hint{margin-bottom:16px}.scene-counting .object-grid{grid-template-columns:repeat(auto-fit,minmax(48px,1fr))}.scene-counting .object{position:relative;min-width:48px;min-height:48px;touch-action:manipulation}.scene-counting .object.on::after{content:'✓';position:absolute;right:2px;top:0;font-size:14px;font-weight:bold;color:#234e3c}.scene-counting .paint-count{margin-top:14px}
.exam-callout{margin:0 0 20px;padding:16px 20px;border:1px solid #cbdabb;border-radius:12px;background:#f2f6e8;color:#385432}.exam-callout strong{font-size:16px}.exam-callout p{font-size:13px;margin-top:6px}.route-buildings.route-positioned{position:relative;height:86px;display:block}.route-positioned>div{position:absolute;top:0;white-space:nowrap}.review-toolbar #attempt-select{max-width:100%}