:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:#17373d;background:#f4f5ee;font-synthesis:none;line-height:1.6;--teal:#154d53;--lime:#d7f578;--ink:#102f35}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer;border:1px solid #c8d6d1;background:white;color:var(--ink);border-radius:12px;padding:10px 17px;font-weight:650}button:hover{border-color:var(--teal);background:#edf4ef}button:disabled{opacity:.5;cursor:not-allowed}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #d5811b;outline-offset:4px}header{display:flex;align-items:center;gap:20px;padding:18px 4%;background:#fffdf5;border-bottom:1px solid 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#d8e0d6;border-radius:20px;overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}.mission:hover{transform:translateY(-4px);box-shadow:0 14px 26px #15383b12}.card-art{height:138px;background-image:linear-gradient(0deg,#102f3550,transparent),url('assets/city.webp');background-size:cover;position:relative;padding:16px;display:flex;align-items:flex-end}.card-icon{position:absolute;top:14px;left:16px;background:var(--accent);height:42px;width:42px;border-radius:12px;text-align:center;line-height:42px;font-size:24px;color:var(--ink)}.card-art .number{margin-left:auto;color:white;font-size:44px;line-height:1;font-weight:900;text-shadow:0 2px 5px #102f35}.mission-body{padding:20px;display:flex;flex-direction:column;flex:1}.mission h3{font-size:21px;margin:12px 0}.mission p{font-size:13px;line-height:1.6}.mission 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0;font-size:14px}.large-score{font-size:70px;line-height:1;font-weight:900;letter-spacing:-4px}.progress-track{height:8px;border-radius:8px;background:#e1e7dc;overflow:hidden;margin:14px 0}.progress-fill{height:100%;background:#2c8b72}.skill-card h3{font-size:17px}.skill-card .status{font-size:12px;font-weight:750}.skill-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.skill-card{margin:0}.pill{font-size:11px;border-radius:20px;background:#e9f0e1;padding:5px 10px;display:inline-block}.teacher-choice{display:flex;gap:12px;border-bottom:1px solid #ddd;padding:12px 0;align-items:center}.teacher-choice input{width:20px;height:20px;accent-color:var(--teal)}label{display:block}input[type=text],input:not([type]),select,textarea{width:100%;border:1px solid #b7cbbf;border-radius:10px;padding:12px;background:white;color:var(--ink)}textarea{min-height:100px;resize:vertical}.range-label{display:flex;justify-content:space-between;margin-top:20px;font-weight:700}input[type=range]{width:100%;accent-color:var(--teal);height:35px}.chart{width:100%;height:auto;display:block}.lab-readout{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:22px 0}.lab-readout strong{font-size:24px;display:block}.lab-readout div{padding:15px;background:#edf2e8;border-radius:12px}.lab-readout span{font-size:11px}.lab-callout{padding:20px;background:var(--ink);color:white;border-radius:16px}.lab-callout p{color:#d6e7e0;margin:6px 0}footer{padding:20px 4%;display:flex;justify-content:space-between;align-items:center;gap:16px;border-top:1px solid #dce1d7;font-size:12px;flex-wrap:wrap}footer button{border:0;background:none;font-size:12px}dialog{border:1px solid #bfd0c2;border-radius:20px;max-width:480px;width:92%;padding:28px;color:var(--ink)}dialog::backdrop{background:#102f3590}dialog button{margin-top:12px}#profiles{display:flex;flex-wrap:wrap;gap:8px}dialog h2{font-size:27px}.skip{position:fixed;top:-100px;z-index:100;background:white;padding:15px}.skip:focus{top:0}#storage-warning{background:#fff0c5;padding:14px;font-weight:bold}.sources li{margin:12px 0}.review-summary{display:flex;justify-content:space-between;border-bottom:1px solid #ddd;padding:13px 0;gap:20px}.hero .actions{margin-top:8px}.empty{padding:45px;text-align:center}#status{min-height:24px;font-size:13px}#profile-btn{max-width:180px}details summary{cursor:pointer}button.link{background:none;border:0;text-decoration:underline}.review-message{padding:10px;color:#a13a25}#main:focus{outline:none}.timebar{position:sticky;top:0;z-index:10;background:#f4f5eef2;padding:12px 0;backdrop-filter:blur(8px)}
@media(max-width:1000px){header{gap:12px}nav{order:3;width:100%;overflow:auto;justify-content:center}.profile{margin-left:auto}.hero{grid-template-columns:1fr 1fr}.hero-copy{padding:30px}.grid{grid-template-columns:repeat(2,1fr)}.twocol{grid-template-columns:1fr}.document{padding:20px}.play-layout{display:flex;flex-direction:column}.play-layout .document{order:0}.hero-art{min-height:350px}}
@media(max-width:600px){header{padding:12px 5%}.brand{font-size:24px}.brand small{font-size:8px;max-width:65px;padding-left:10px;margin-left:10px}nav{justify-content:flex-start;gap:2px}nav button{font-size:12px;padding:10px}.profile{padding:9px;font-size:11px;max-width:120px!important}main{padding:18px 5% 40px}.hero{display:flex;flex-direction:column-reverse;border-radius:20px}.hero-art{min-height:220px}.hero-art img{object-position:center 42%}.hero-copy{padding:27px}.hero h1{font-size:42px}.hero-sticker{font-size:10px;bottom:14px}.stats{grid-template-columns:repeat(2,1fr);gap:8px}.stat{padding:12px 16px}.stat strong{font-size:23px}.grid,.skill-grid{grid-template-columns:1fr}.mission{display:grid;grid-template-columns:90px 1fr}.card-art{height:100%;min-height:250px;background-size:auto 100%;padding:8px;align-items:flex-end}.card-art .number{font-size:35px}.card-icon{left:14px;top:18px}.mission-body{padding:17px}.mission h3{font-size:20px;margin-top:3px}.mission p{font-size:12px}.panel{padding:20px}.section-head{display:block}legend{font-size:19px}.playhead h2{font-size:21px}.playhead{gap:8px}.playhead button{padding:8px;font-size:12px}.timer{font-size:12px;padding:8px}.document th,.document td{font-size:12px;padding:9px 6px}.lab-readout{grid-template-columns:1fr 1fr}.lab-readout strong{font-size:21px}.lab-readout div:last-child{grid-column:1/-1}.actions>button{flex:1}.actions .push{margin:0}footer{font-size:10px}.card-art .number{margin:0 auto}.large-score{font-size:55px}.twocol{gap:5px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{header,footer,button,.hero,.filters,#storage-warning{display:none!important}body,main{background:white;padding:0;color:black}.panel,.result-row{break-inside:avoid;border:1px solid #ddd;box-shadow:none}main{max-width:100%}.grid,.skill-grid{display:block}.panel{margin:14px 0}.tag{background:white}}
.connected{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;background:#e4eee1;border-radius:14px;margin-bottom:18px;font-size:13px}.connected button{font-size:12px;white-space:nowrap}.question-scene{margin:-28px -28px 22px;position:relative;overflow:hidden;border-radius:19px 19px 0 0;height:185px}.question-scene img{width:100%;height:100%;object-fit:cover;object-position:center 40%}.question-scene figcaption{position:absolute;bottom:0;left:0;right:0;padding:9px 18px;background:linear-gradient(transparent,#102f35e8);color:white;font-size:11px;font-weight:700}.play-tools{display:flex;gap:8px;flex-wrap:wrap}.play-tools button{font-size:12px;padding:10px 13px;background:#fffef7}.play-tools button:first-child{background:#d7f578;border-color:#b2ce62}#cloud-status{font-size:11px;margin:8px 0 0;line-height:1.4}.evidence-panel{position:sticky;top:160px;align-self:start}.tool-dialog{max-width:720px;width:calc(100% - 24px);max-height:90dvh;overflow:auto;border-radius:22px;padding:22px}.tool-head{position:sticky;top:-22px;background:#fff;z-index:1;padding:12px 0;margin-bottom:16px}.tool-dialog h2{font-size:25px}.tool-dialog .document{padding:15px}.calculator{display:grid;grid-template-columns:1fr 100px 1fr;gap:12px;margin:20px 0}.calculator input,.calculator select{min-width:0}.calculator button{grid-column:1/2}.calculator output{grid-column:2/4;padding:10px;font-size:24px;font-weight:800;overflow-wrap:anywhere}.glossary-term{border-bottom:1px solid #d5dfd5;padding:18px 0}.glossary-term h3{margin-bottom:7px}.glossary-term p{font-size:14px;margin-bottom:7px}.teacher-decision{background:#e8f3dc;padding:12px;border-radius:10px;font-size:13px}.card-art{background-image:linear-gradient(0deg,#102f3550,transparent),url('assets/city.webp')}
@media(min-width:1001px){.play-layout{grid-template-columns:.9fr 1.1fr;align-items:start}.playhead{margin-bottom:10px}}
@media(max-width:1000px){.evidence-panel{display:none}.play-layout{display:block}.question-scene{height:180px}.timebar{top:0}.play-tools{flex-wrap:nowrap}.play-tools button{flex:1;padding:10px 7px;font-size:12px}.connected{align-items:flex-start}}
@media(max-width:600px){.question-scene{margin:-20px -20px 16px;height:140px}.timebar{padding:8px 0}.playhead{margin-bottom:8px}.playhead h2{font-size:18px}.play-tools button{font-size:11px;padding:9px 5px;min-height:44px}.stepbar{gap:5px}.stepbar button{width:36px;height:36px;font-size:12px}.tool-dialog{margin:auto 0 0;max-width:none;width:100%;max-height:92dvh;border-radius:22px 22px 0 0;padding:20px 16px;padding-bottom:calc(25px + env(safe-area-inset-bottom))}.tool-head{top:-20px}.tool-head button{width:100%}.calculator{grid-template-columns:minmax(0,1fr) 70px minmax(0,1fr);gap:8px}.calculator label{font-size:12px}.connected{flex-direction:column}.connected button{width:100%}.question-scene figcaption{font-size:10px}legend{line-height:1.5}.number-input{font-size:24px!important}.choice{padding:14px;min-height:52px}.play-layout .panel{padding-bottom:26px}.tool-dialog .table-wrap{overflow:visible}.tool-dialog table{table-layout:fixed;width:100%;font-size:11px}.tool-dialog td,.tool-dialog th{padding:7px 5px;overflow-wrap:anywhere}.teacher-decision{font-size:12px}}

@media(max-width:600px){.stepbar{overflow-x:auto;flex-wrap:nowrap;padding:4px 0 12px}.stepbar button{flex:0 0 44px;width:44px;height:44px;padding:5px}.question-scene{height:120px}}