:root{color-scheme:dark;--bg:#10141f;--panel:#1a202e;--panel2:#202737;--line:#303747;--text:#f4f5fa;--muted:#a6aec2;--mint:#a2f5ce;--violet:#b7a4fb;--sidebar:252px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:15px;line-height:1.6}button,input,textarea,select{font:inherit}button,a,select,input{touch-action:manipulation}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit}button:disabled{cursor:not-allowed;opacity:.45}button:not(:disabled),a,summary{transition:background .18s,transform .18s,border-color .18s}button:not(:disabled):active,.button:active{transform:translateY(1px)}:focus-visible{outline:3px solid var(--mint);outline-offset:4px}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.15;letter-spacing:-.035em}h1{font-size:clamp(34px,4vw,56px);font-weight:800}h2{font-size:29px}h3{font-size:20px}p{color:var(--muted)}svg{max-width:100%}.muted{color:var(--muted)}.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}.skip-link{position:fixed;z-index:20;top:12px;left:12px;padding:12px;background:var(--mint);color:var(--bg);transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}
.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);background:#151925;border-right:1px solid var(--line);padding:32px 23px 24px;display:flex;flex-direction:column;overflow-y:auto}.brand{display:flex;align-items:center;gap:12px;font-size:23px;font-weight:850;letter-spacing:-1px;line-height:1.1}.brand-mark{display:flex;align-items:center;background:var(--mint);color:#13241f;width:44px;height:44px;border-radius:13px;font-size:29px;padding:8px;letter-spacing:-5px}.brand-mark span{font-size:29px}.brand small{display:block;color:var(--muted);font-size:8px;letter-spacing:2px;margin-top:7px}.course-label{font-size:10px;letter-spacing:1.7px;color:#a0a9bd;font-weight:700;margin:42px 0 15px}.course-label span{letter-spacing:0;font-size:9px;border:1px solid var(--line);padding:3px;margin-left:4px;border-radius:4px}.main-nav{display:grid;gap:7px}.main-nav a{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid transparent;border-radius:9px;font-weight:650;font-size:13px;min-height:48px;color:var(--muted)}.main-nav a>span:first-child{font-size:22px;line-height:1}.main-nav a.active{background:#25372f;border-color:#375246;color:var(--mint)}.main-nav a:hover{background:var(--panel2)}.main-nav small{margin-left:auto;font-weight:500}.nav-dot{margin-left:auto;width:6px;height:6px;border-radius:50%;background:var(--mint)}.mini-level{display:flex;align-items:center;gap:13px;padding:11px 0;font-size:12px;color:#a0a9bd}.mini-level span{width:28px;height:28px;border:1px solid var(--line);border-radius:8px;display:grid;place-items:center;font-size:10px;flex-shrink:0}.mini-level.active{color:var(--text)}.mini-level.active span{background:var(--mint);color:#12271e;border-color:var(--mint)}.sidebar-note{font-size:11px;margin:12px 0 0 41px;color:var(--muted)}.sidebar-bottom{margin-top:auto;padding-top:35px}.progress-label{display:flex;justify-content:space-between;font-size:10px;margin-bottom:8px}.progress-label strong{color:var(--mint)}progress{appearance:none;width:100%;height:5px;border:0;border-radius:10px;background:#303645;overflow:hidden}progress::-webkit-progress-bar{background:#303645}progress::-webkit-progress-value{background:var(--mint)}progress::-moz-progress-bar{background:var(--mint)}.sidebar-bottom p{font-size:10px;margin-top:12px}.makecode-link{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:16px;font-size:12px;min-height:48px}.makecode-link span{color:var(--mint);font-size:18px}.workspace{margin-left:var(--sidebar)}.topbar{min-height:80px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:14px;padding:16px 40px}.breadcrumbs{font-size:10px;letter-spacing:1.5px;color:var(--muted)}.breadcrumbs span{margin:0 15px;color:#626c82}.breadcrumbs strong{font-weight:600;color:var(--text);letter-spacing:0}.quiet-button,.icon-button{border:1px solid var(--line);border-radius:8px;background:transparent;min-height:44px;padding:8px 14px;font-size:12px}.quiet-button span{margin-right:6px}main{max-width:1450px;margin:auto;padding:34px 40px 24px;min-height:calc(100vh - 160px)}.eyebrow{font-size:10px;font-weight:750;letter-spacing:2px;color:var(--mint)}.page-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:25px}.page-heading h1{font-size:28px;margin:7px 0 0}.session-badge{font-size:11px;color:var(--muted);display:flex;gap:14px}.session-badge span{display:flex;align-items:center;gap:7px}.status-dot{width:6px;height:6px;border-radius:50%;background:var(--mint)}
.hero{isolation:isolate;position:relative;border:1px solid #3b4852;border-radius:18px;padding:34px 38px;overflow:hidden;background:radial-gradient(ellipse at 85% 25%,#38414c 0,transparent 50%),linear-gradient(110deg,#202c32,#22283b);min-height:300px;display:grid;grid-template-columns:1.15fr 1fr;gap:20px;align-items:center}.hero::after{content:"";position:absolute;inset:0;z-index:-1;opacity:.13;background-image:linear-gradient(#91a5b5 1px,transparent 1px),linear-gradient(90deg,#91a5b5 1px,transparent 1px);background-size:36px 36px;mask-image:linear-gradient(90deg,transparent,#000)}.hero .eyebrow{display:inline-flex;gap:8px;background:#32493e;border:1px solid #506458;border-radius:5px;padding:4px 9px;font-size:9px}.hero h1{margin:16px 0}.hero h1 em{font-style:normal;color:var(--mint)}.hero p{max-width:410px;font-size:13px;line-height:1.7;color:#c4ccda;margin-bottom:23px}.button{display:inline-flex;align-items:center;justify-content:center;gap:14px;border:1px solid transparent;min-height:48px;padding:12px 20px;background:var(--mint);color:#14291f;border-radius:8px;font-size:13px;font-weight:750}.button:hover{background:#c3ffdf}.button.secondary{background:var(--panel2);color:var(--text);border-color:var(--line)}.button.secondary:hover{background:#343c50}.button.danger{background:#ffb7b7;color:#3a1212}.button-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.hero-art{position:relative;display:grid;place-items:center;align-self:stretch}.hero-art svg{width:320px;filter:drop-shadow(0 20px 30px #07191666)}.float-badge{position:absolute;background:#202936e8;border:1px solid #52656a;border-radius:8px;padding:8px 14px;font:10px ui-monospace,monospace;box-shadow:0 8px 18px #0003}.float-badge.first{top:13%;left:0;transform:rotate(-7deg);color:var(--mint)}.float-badge.second{right:-8px;bottom:8%;transform:rotate(5deg);color:var(--violet)}.robot-float{animation:hover-bot 4s ease-in-out 2}@keyframes hover-bot{50%{transform:translateY(-9px)}}
.mission-meta{display:flex;gap:24px;flex-wrap:wrap;margin-top:16px;color:var(--muted);font-size:11px}.mission-meta b{color:var(--text);font-weight:500}.section-heading{display:flex;justify-content:space-between;align-items:center;margin:31px 0 14px}.section-heading h2{font-size:17px;margin:0;letter-spacing:-.02em}.section-heading span{font-size:11px;color:var(--muted)}.phase-nav{display:grid;grid-template-columns:repeat(5,1fr);gap:9px;margin-bottom:24px}.phase-button{position:relative;text-align:left;border:1px solid var(--line);border-radius:10px;padding:13px 12px;background:var(--panel);min-height:89px}.phase-button.active{border-color:var(--mint);background:#243b34}.phase-button:hover{background:var(--panel2)}.phase-top{display:flex;justify-content:space-between;color:var(--muted);font-size:10px;margin-bottom:8px}.phase-button.active .phase-top{color:var(--mint)}.phase-button strong{font-size:11px;font-weight:600}.phase-button.done .phase-top::after{content:'✓';color:var(--mint)}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 245px;gap:20px;align-items:start}.activity{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:27px;scroll-margin-top:18px;min-width:0}.activity h2{font-size:25px;margin:10px 0 14px}.activity .intro{font-size:13px;max-width:640px;margin-bottom:22px}.task-kicker{display:flex;justify-content:space-between;gap:10px}.time-pill{font-size:10px;color:var(--muted)}.choice-list{display:grid;gap:10px}.choice{border:1px solid #3e485b;display:flex;align-items:center;gap:14px;border-radius:9px;padding:13px 15px;background:#202737;text-align:left;min-height:56px;font-size:13px}.choice:hover{background:#2c3546;border-color:#7889a6}.choice.selected{border-color:var(--mint);background:#263d35}.choice .letter{display:grid;place-items:center;width:26px;height:26px;border-radius:6px;background:#30394b;color:var(--muted);font-size:11px;flex-shrink:0}.feedback{margin-top:16px;padding:12px 15px;background:#273c35;border-left:3px solid var(--mint);font-size:13px;color:#d6fce8;border-radius:0 7px 7px 0}.feedback:empty{display:none}.feedback.error{background:#41302e;border-color:#ffc495;color:#ffdac0}.activity-bottom{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:24px;border-top:1px solid var(--line);padding-top:20px}.text-button{border:0;background:transparent;color:var(--muted);font-size:11px;padding:10px 5px;min-height:44px}.text-button:hover{color:var(--text)}.side-card{padding:21px;background:var(--panel);border:1px solid var(--line);border-radius:13px;margin-bottom:14px}.side-card h3{font-size:15px;margin:12px 0}.side-card p,.side-card li{font-size:12px}.side-card ul{padding-left:17px;color:var(--muted);margin-bottom:0}.side-card li+li{margin-top:9px}.skill-preview{background:linear-gradient(150deg,#29273f,#1d2330);border-color:#47405b}.skill-symbol{width:43px;height:43px;border:1px solid #766299;border-radius:11px;background:#3a3151;display:grid;place-items:center;color:var(--violet);font-size:23px}.skill-preview h3{font:700 14px ui-monospace,monospace;letter-spacing:1px}.skill-preview small{color:var(--violet);font-size:10px}.side-card .divider{height:1px;background:var(--line);margin:17px 0}.mini-steps{display:flex;align-items:center;justify-content:space-between;font-size:10px;color:var(--mint)}
.role-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}.role-card{background:#242c3d;border:1px solid #424c62;padding:17px;border-radius:9px}.role-card strong{font-size:13px;color:var(--mint)}.role-card:nth-child(2) strong{color:var(--violet)}.role-card p{font-size:12px;margin:8px 0 0}.steps{padding-left:23px;font-size:13px;color:#cbd1df}.steps li{padding-left:4px;margin-bottom:12px}.check-label{display:flex;align-items:flex-start;gap:12px;min-height:48px;font-size:13px;padding:12px;border:1px solid var(--line);border-radius:8px;background:var(--panel2)}input[type=checkbox]{width:21px;height:21px;accent-color:var(--mint);flex-shrink:0;margin-top:1px}.hint{border:1px solid var(--line);border-radius:8px;margin:15px 0;font-size:12px}.hint summary{padding:12px;cursor:pointer;min-height:44px;color:var(--violet)}.hint p{padding:0 14px 14px;margin:0}.lab{display:grid;grid-template-columns:minmax(180px,1fr) minmax(150px,.8fr);gap:20px}.board{display:grid;grid-template-columns:repeat(5,1fr);gap:5px;aspect-ratio:1;background:#121a27;padding:9px;border:1px solid #3d485e;border-radius:12px;max-width:380px;width:100%}.cell{display:grid;place-items:center;position:relative;background:#252f40;border:1px solid #34425a;border-radius:5px;font-size:22px;aspect-ratio:1}.cell.wall{background:repeating-linear-gradient(135deg,#394056,#394056 5px,#30364a 5px,#30364a 10px);border-color:#505771}.cell.goal{border-color:var(--mint);color:var(--mint);background:#263e39}.cell.star{color:var(--violet)}.cell.robot::after{content:'◉';background:var(--mint);color:#162a23;border:3px solid #d3ffe9;border-radius:9px;position:absolute;width:65%;height:65%;display:grid;place-items:center;font-size:24px;box-shadow:0 0 20px #a2f5ce33}.board-legend{display:flex;gap:10px;flex-wrap:wrap;font-size:10px;margin:9px 0;color:var(--muted)}.lab-controls h3{font-size:13px;letter-spacing:0;margin-bottom:9px}.direction-pad{display:grid;grid-template-columns:repeat(3,46px);gap:6px;justify-content:center;margin:10px 0 18px}.direction-pad button{font-size:23px;min-height:46px;background:#303b50;border:1px solid #596880;border-radius:8px}.direction-pad button:hover{background:#45556e}.direction-pad .up{grid-column:2}.direction-pad .left{grid-column:1}.program{display:flex;flex-wrap:wrap;gap:5px;min-height:60px;background:#121a27;border:1px dashed #556179;border-radius:8px;padding:10px;margin-top:8px;align-content:flex-start}.program span{display:inline-grid;place-items:center;background:#333d50;border-radius:4px;width:27px;height:29px;font-size:15px}.program span.executing{background:var(--mint);color:#143325}.program em{font-size:11px;color:var(--muted);font-style:normal}.program-tools{display:flex;gap:12px}.lab .button{width:100%;margin-top:6px}.lab-status{font-size:12px;min-height:44px;color:var(--mint);margin:14px 0}.challenge-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-top:22px}.challenge-tab{border:1px solid var(--line);background:#242c3d;border-radius:7px;min-height:44px;padding:7px 12px;font-size:11px}.challenge-tab.active{color:var(--violet);border-color:var(--violet);background:#332e4a}.challenge-detail{padding-top:12px}.challenge-detail p{font-size:13px;margin:0}.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-bottom:22px}.flow div{border:1px solid #48566b;border-radius:8px;padding:14px 8px;background:#242e40;text-align:center;font-size:12px}.flow b{display:block;font-size:22px;color:var(--mint);margin-bottom:3px}.select-task{display:grid;grid-template-columns:1fr 165px;align-items:center;gap:12px;margin:12px 0;font-size:13px}.select-task select{width:100%;min-height:48px;background:#252f40;border:1px solid #58637b;border-radius:7px;padding:8px;color:var(--text)}.question{font-size:14px;font-weight:600;color:var(--text);margin-bottom:12px}textarea{width:100%;background:#121a27;color:var(--text);padding:12px;border:1px solid #536077;border-radius:8px;min-height:100px;resize:vertical;margin-top:8px;font-size:13px}.reflection-label{display:block;margin-top:20px;font-size:13px}.unlock-list{list-style:none;padding:0;margin:18px 0}.unlock-list li{font-size:12px;color:var(--muted);margin:6px 0}.unlock-list .done{color:var(--mint)}.celebration{position:relative;padding:25px;background:radial-gradient(ellipse at 50% 0,#345044,transparent 75%),#1c2b27;border:1px solid var(--mint);border-radius:12px;text-align:center;margin-top:20px;overflow:hidden}.celebration h3{font-size:23px;color:var(--mint);margin:10px 0}.celebration p{font-size:13px;margin:8px 0;color:#d0e5d9}.celebration .skill-symbol{margin:auto}.celebration.animate{animation:unlock .8s ease-out}@keyframes unlock{0%{box-shadow:0 0 0 0 #a2f5ce70;transform:scale(.97)}100%{box-shadow:0 0 0 25px #a2f5ce00;transform:scale(1)}}
.overview-intro{max-width:670px;margin-bottom:26px}.levels-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.level-card{padding:23px;border:1px solid var(--line);border-radius:12px;background:var(--panel);display:flex;flex-direction:column;align-items:flex-start}.level-card.available{border-color:#659581;background:linear-gradient(135deg,#263f35,#1b2631)}.level-card .level-number{font:500 30px ui-monospace,monospace;color:#6d7991}.level-card.available .level-number{color:var(--mint)}.level-card h2{font-size:20px;margin:19px 0 10px}.level-card p{font-size:12px}.level-card .level-status{font-size:10px;letter-spacing:1px;color:var(--muted);margin-top:auto;padding-top:18px}.level-card .button{margin-top:15px}.level-card small{font:10px ui-monospace,monospace;color:var(--violet)}.skills-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.skill-card{padding:26px;background:var(--panel);border:1px solid var(--line);border-radius:12px}.skill-card h2{font:700 15px ui-monospace,monospace;margin:18px 0 10px}.skill-card p{font-size:12px;margin:0}.skill-card.unlocked{border-color:var(--mint);background:#20342d}.skill-card.unlocked .skill-symbol{color:var(--mint);background:#2b483b;border-color:var(--mint)}.skills-note{margin-top:24px;font-size:13px}footer{max-width:1450px;margin:auto;padding:20px 40px;display:flex;justify-content:space-between;gap:15px;align-items:center;border-top:1px solid var(--line);font-size:9px;color:var(--muted)}footer>span:first-child{font-weight:700;letter-spacing:.5px}footer .muted{font-weight:400;letter-spacing:0}dialog{background:#1a2231;color:var(--text);border:1px solid #536277;border-radius:16px;padding:28px;width:min(700px,calc(100% - 32px));max-height:85dvh;overflow:auto;box-shadow:0 35px 90px #0009}dialog::backdrop{background:#060b14cc;backdrop-filter:blur(7px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.icon-button{font-size:24px;min-width:44px;padding:2px}.teacher-note{border-top:1px solid var(--line);padding-top:16px}.teacher-note h3{font-size:15px;letter-spacing:0}.teacher-note p{font-size:13px}.toast{position:fixed;bottom:24px;left:calc(50% + var(--sidebar)/2);transform:translate(-50%,20px);border:1px solid var(--mint);background:#24392f;color:var(--mint);box-shadow:0 10px 50px #0006;padding:12px 22px;border-radius:9px;opacity:0;pointer-events:none;z-index:30;max-width:90%;font-size:13px}.toast.show{opacity:1;transform:translate(-50%,0)}.noscript{position:fixed;inset:auto 20px 20px;background:#432f24;padding:20px;border:1px solid #ffcd96;z-index:30}
@media(min-width:1500px){main{padding-top:42px}.hero{min-height:340px}.hero-art svg{width:360px}}
@media(max-width:1200px){:root{--sidebar:215px}.sidebar{padding:28px 16px}.brand{font-size:21px}.course-label{font-size:9px;letter-spacing:1px}.topbar{padding:16px 26px}main{padding:27px 26px}.hero{padding:28px}.lesson-layout{grid-template-columns:minmax(0,1fr) 210px;gap:15px}.activity{padding:22px}.phase-button{padding:12px 9px}.phase-button strong{font-size:10px}.lab{grid-template-columns:1fr}.board{max-width:340px;margin:auto}.lab-controls{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px}.lab-controls h3{grid-column:1/-1}.direction-pad{grid-row:2/4}.program-tools{align-items:flex-start}.lab-controls .button{grid-column:1/-1}.float-badge{font-size:9px;padding:7px 10px}.levels-grid{grid-template-columns:repeat(2,1fr)}footer{padding:16px 26px;flex-wrap:wrap}}
@media(max-width:1100px){:root{--sidebar:0px}.sidebar{position:static;width:100%;padding:16px 25px;display:grid;grid-template-columns:auto 1fr;align-items:center;gap:20px;border-right:0;border-bottom:1px solid var(--line);overflow:visible}.sidebar>.course-label,.sidebar-route,.sidebar-bottom{display:none}.main-nav{display:flex;justify-content:flex-end}.main-nav a{padding:9px 12px;font-size:12px}.main-nav a>span:first-child{font-size:19px}.nav-dot{display:none}.brand{font-size:20px}.brand-mark{height:40px;width:40px}.topbar{min-height:65px}.lesson-layout{grid-template-columns:minmax(0,1fr) 220px}.hero h1{font-size:43px}.hero-art svg{width:275px}.hero{grid-template-columns:1.2fr 1fr}.toast{left:50%}.skills-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.sidebar{padding:17px 20px;grid-template-columns:1fr;gap:18px}.brand{justify-self:center}.main-nav{justify-content:center;gap:8px}.main-nav a{flex:1;justify-content:center;gap:7px;padding:10px 6px;font-size:11px}.main-nav small{margin-left:0}.topbar{padding:12px 20px}.breadcrumbs{font-size:8px;letter-spacing:.8px}.breadcrumbs span{margin:0 7px}.quiet-button{font-size:11px;padding:8px 10px}main{padding:24px 20px}.page-heading h1{font-size:24px}.session-badge{font-size:10px}.session-badge span:last-child{display:none}.hero{padding:27px;grid-template-columns:1fr 1fr;min-height:280px;gap:10px}.hero h1{font-size:36px}.hero-art svg{width:240px}.hero p{font-size:12px}.float-badge.first{top:7%;left:-12px}.float-badge.second{bottom:8%;right:-15px}.lesson-layout{grid-template-columns:1fr}.lesson-aside{display:grid;grid-template-columns:1fr 1fr;gap:14px}.side-card{margin-bottom:0}.phase-nav{display:flex;overflow-x:auto;padding:4px 4px 10px;margin-left:-4px;margin-right:-4px;scroll-snap-type:x proximity}.phase-button{flex:1 0 118px;scroll-snap-align:center}.phase-button strong{font-size:11px}.lab{grid-template-columns:1fr 1fr}.lab-controls{display:block}.direction-pad{margin:10px 0}.activity h2{font-size:24px}.skills-grid{grid-template-columns:repeat(2,1fr)}footer{padding:18px 20px}.level-card{padding:20px}}
@media(max-width:500px){main{padding:22px 16px}.topbar{padding:10px 16px}.breadcrumbs{max-width:190px}.page-heading{gap:8px}.page-heading h1{font-size:21px}.hero{grid-template-columns:1fr;padding:25px;gap:0}.hero h1{font-size:40px;max-width:300px}.hero p{max-width:330px}.hero-art{height:185px;margin-top:8px}.hero-art svg{width:205px;height:190px}.float-badge.first{left:6%;top:25%}.float-badge.second{right:2%;bottom:13%}.mission-meta{font-size:10px;gap:10px}.section-heading h2{font-size:16px}.section-heading span{font-size:10px}.activity{padding:20px 16px}.activity h2{font-size:23px}.role-grid{grid-template-columns:1fr}.lab{grid-template-columns:1fr}.lab-controls{display:grid;grid-template-columns:1fr 1fr;gap:8px 12px}.lab-controls h3{grid-column:1/-1}.direction-pad{grid-row:2/4}.lab-controls .button{grid-column:1/-1}.select-task{grid-template-columns:1fr;gap:6px;margin-bottom:18px}.flow{gap:6px}.flow div{font-size:10px;padding:12px 3px}.lesson-aside{grid-template-columns:1fr}.side-card:last-child{display:none}.activity-bottom{flex-wrap:wrap}.activity-bottom .button{margin-left:auto}.levels-grid{grid-template-columns:1fr}.skills-grid{gap:10px}.skill-card{padding:17px 13px}.skill-card h2{font-size:12px}.challenge-tab{padding:7px 10px}.session-badge{white-space:nowrap}.main-nav a{font-size:10px}.main-nav a>span:first-child{font-size:17px}.main-nav small{display:none}.toast{width:max-content;max-width:90%;text-align:center}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Comfortable reading sizes and editor access on tablets. */
.activity .intro,.choice,.steps,.select-task,.reflection-label{font-size:14px}
.footer-editor{display:inline-flex;align-items:center;min-height:44px;font-size:11px;color:var(--mint)}
@media(max-width:1100px){.activity .intro,.choice,.steps,.select-task,.reflection-label{font-size:15px}.role-card p,.challenge-detail p,.hint{font-size:14px}.hero p{font-size:14px}.lesson-aside p,.lesson-aside li{font-size:13px}}
@media(max-width:370px){.lab-controls{display:block}.program-tools{justify-content:space-between}.task-kicker .eyebrow{font-size:9px}.time-pill{font-size:9px}.mission-meta{gap:8px}}

/* Keep the active task wide on iPad, with support cards below it. */
.skip-link{top:-100px;transform:none}.skip-link:focus{top:12px}
@media(min-width:761px) and (max-width:1100px){.lesson-layout{grid-template-columns:1fr}.lesson-aside{display:grid;grid-template-columns:1fr 1fr;gap:16px}.side-card{margin-bottom:0}.lab{grid-template-columns:minmax(260px,1.1fr) minmax(220px,1fr);gap:26px}.lab-controls{display:block}.direction-pad{margin:10px 0 16px}.lab .button{margin-top:8px}}