:root{color-scheme:light;--ink:#233c49;--muted:#627580;--paper:#f5f7f9;--line:#e0e7ec;--teal:#087f88;--violet:#7865b1}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,'Segoe UI',sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #078b98;outline-offset:4px}button:disabled{opacity:.55;cursor:wait}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}[hidden]{display:none!important}.home-top{max-width:1440px;margin:auto;height:78px;padding:16px 38px;display:flex;align-items:center;gap:24px}.mabni-brand{display:inline-flex;align-items:center;gap:9px;flex-shrink:0}.mabni-brand img{object-fit:contain}.mabni-brand strong{font-size:25px;font-weight:850;letter-spacing:1px}.mabni-brand strong span{color:#7863b1}.home-tagline{color:var(--muted);font-size:13px;padding-left:24px;border-left:1px solid var(--line)}.home-top nav{margin-left:auto;display:flex;align-items:center;gap:24px;font-size:13px;font-weight:600}.home-top nav>a:hover{color:var(--teal)}.home-top button{border:1px solid #cfdce3;border-radius:10px;background:white;padding:12px 16px;color:#365a62;font-size:13px;font-weight:650}.home-top button span{margin-left:10px}.home-shell{max-width:1400px;margin:auto;padding:0 38px}.home-welcome{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:13px 0 19px}.home-welcome h1{font-size:clamp(24px,2.4vw,34px);letter-spacing:-1px;line-height:1.2;margin:0 0 9px;font-weight:780}.home-welcome p{font-size:14px;color:var(--muted);margin:0;line-height:1.5}.offline-badge{display:inline-flex;align-items:center;gap:8px;border:1px solid #cce3dc;background:#edf8f3;color:#287267;border-radius:30px;padding:9px 13px;font-size:12px;font-weight:650;white-space:nowrap}.offline-badge i{width:7px;height:7px;background:#259873;border-radius:50%}.activity-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:0 0 17px}.category-tabs{display:flex;gap:5px;background:#e8edf2;border:1px solid #e1e7ed;padding:5px;border-radius:13px}.category-tabs button{border:0;background:transparent;color:#5a6f7e;border-radius:9px;padding:10px 17px;font-size:14px;font-weight:750;display:flex;align-items:center;gap:14px;white-space:nowrap}.category-tabs button[aria-selected=true]{background:white;color:#215966;box-shadow:0 2px 5px #18374616}.category-tabs button span{font-size:10px;font-weight:550;color:#6f8590}.activity-heading>p{color:var(--muted);font-size:12px;line-height:1.5;margin:0}.adventure-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:17px}.adventure-card{--wash:#e8f4f3;--accent:#087e86;min-height:206px;display:flex;flex-direction:column;border:1px solid #dfe7ec;border-radius:17px;background:white;overflow:hidden;transition:transform .16s,box-shadow .16s,border-color .16s}.adventure-card:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:0 9px 24px #233b4911}.card-art{height:75px;display:flex;align-items:center;justify-content:space-between;padding:12px 19px 0;background:linear-gradient(105deg,var(--wash),white 92%)}.card-art img{width:65px;height:62px;object-fit:contain;filter:drop-shadow(0 3px 3px #2947560e)}.card-art .art-scratch,.card-art .art-scratchjr{width:121px;max-width:56%;height:52px}.card-art .art-microbit{width:87px;height:63px}.card-tag{align-self:flex-start;margin-top:7px;font-size:8px;letter-spacing:1.2px;font-weight:750;color:var(--accent)}.card-copy{padding:9px 19px 17px;display:flex;flex:1;flex-direction:column}.card-copy h2{font-size:18px;font-weight:750;letter-spacing:-.4px;line-height:1.25;margin:0 0 6px}.card-copy p{font-size:12px;color:var(--muted);line-height:1.65;margin:0 0 14px;max-width:270px}.card-link{display:flex;justify-content:space-between;align-items:center;color:var(--accent);margin-top:auto;font-size:12px;font-weight:700}.card-link svg,.classroom-card svg,.classroom-strip svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.tone-orange{--wash:#fff0dd;--accent:#b36b15}.tone-green{--wash:#edf7df;--accent:#5e8030}.tone-amber{--wash:#fff5d9;--accent:#a57400}.tone-purple{--wash:#f2ecff;--accent:#7154bb}.tone-cedar{--wash:#e5f3eb;--accent:#357966}.tone-blue{--wash:#e8f3fe;--accent:#316eb5}.tone-pink{--wash:#ffedf1;--accent:#aa4970}.classroom-card{border-radius:17px;background:#173e49;color:#fff;padding:19px;display:flex;flex-direction:column;min-height:206px;position:relative;overflow:hidden}.classroom-card:after{content:'';position:absolute;width:160px;height:160px;border:20px solid #ffffff07;border-radius:50%;right:-70px;top:-40px;pointer-events:none}.classroom-card img{position:absolute;right:19px;bottom:19px;background:white;border-radius:10px;object-fit:contain;padding:4px}.classroom-card h2{font-size:20px;line-height:1.2;margin:0 0 12px;letter-spacing:-.4px}.classroom-card p{font-size:12px;line-height:1.7;color:#b5d1d6;max-width:200px;margin:0 0 17px}.classroom-card a{display:flex;gap:12px;align-items:center;font-size:12px;font-weight:650;margin-top:auto;z-index:1}.classroom-strip{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:17px 2px;color:#73848e;font-size:11px}.classroom-strip a{display:flex;align-items:center;gap:14px;color:#365f6a;font-weight:650}footer{max-width:1400px;margin:auto;border-top:1px solid var(--line);padding:16px 38px;display:flex;align-items:center;gap:18px}footer .mabni-brand strong{font-size:17px}footer p{font-size:10px;color:#788994}footer nav{margin-left:auto;display:flex;gap:18px;font-size:11px;color:#5c7480}footer button{border:0;background:none;color:inherit;padding:0;font-size:inherit}.eyebrow{font-size:10px;letter-spacing:1.7px;font-weight:750;color:#6a8587}
dialog{border:1px solid #dce5df;border-radius:20px;background:white;color:var(--ink);padding:25px;max-width:min(560px,calc(100vw - 28px));max-height:calc(100dvh - 36px);box-shadow:0 30px 120px #142e4560}dialog::backdrop{background:#133b475f;backdrop-filter:blur(5px)}.teacher-login-head,.teacher-server-head{display:flex;align-items:center;justify-content:space-between;gap:25px;font-size:19px;font-weight:750}.teacher-login-head button,.teacher-server-head button{border:0;background:#eff3f7;border-radius:50%;height:32px;width:32px;color:#527183;font-size:20px}dialog p,dialog li{font-size:13px;line-height:1.8;color:#5e7480}dialog label{display:block;font-size:12px;font-weight:600;margin:20px 0 6px}dialog input{display:block;width:100%;border:1px solid #c8d8df;padding:12px;border-radius:8px;font:inherit}.submit{width:100%;margin:12px 0;border:0;border-radius:8px;background:#245f66;color:white;padding:12px;font-size:13px;font-weight:650}dialog small{font-size:11px;color:#697f89}.teacher-server-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.teacher-server-actions a,.email-btn{background:#245f66;color:white;padding:10px 15px;border-radius:8px;font-size:12px;display:inline-block}.teacher-server-actions a.secondary{background:#edf3f7;color:#426777}.support-block h3{font-size:15px}.support-method{padding:12px 0;border-top:1px solid #e2e7ed}.support-method strong{font-size:12px}.support-method p{font-size:11px;margin:7px 0}
@media(min-width:1600px){.home-top{height:88px}.home-welcome{padding:20px 0 25px}.adventure-card,.classroom-card{min-height:249px}.card-art{height:99px}.card-art img{height:79px;width:79px}.card-copy h2{font-size:21px}.card-copy p{font-size:14px}.card-link{font-size:14px}}
@media(max-width:1050px){.home-top,.home-shell{padding-left:24px;padding-right:24px}.home-tagline{display:none}.activity-heading>p{max-width:230px}.adventure-grid{gap:12px}.card-art{padding-left:14px;padding-right:14px}.card-copy{padding-left:14px;padding-right:14px}.card-copy h2{font-size:16px}.card-tag{font-size:7px}.classroom-card{padding:15px}}
@media(max-width:780px){.home-top{height:auto;min-height:68px;padding:14px 18px}.home-top nav>a{display:none}.home-top nav{gap:8px}.home-top button{font-size:11px;padding:10px}.home-shell{padding:0 18px}.home-welcome{align-items:flex-start;gap:12px;flex-direction:column;padding:15px 0 20px}.home-welcome h1{font-size:28px}.home-welcome p{font-size:13px;max-width:400px}.offline-badge{font-size:10px;padding:6px 10px}.activity-heading{align-items:flex-start;flex-direction:column;gap:10px}.activity-heading>p{max-width:none;font-size:11px}.category-tabs{width:100%;gap:4px}.category-tabs button{flex:1;justify-content:center;padding:10px 8px;font-size:12px;gap:8px}.category-tabs button span{font-size:9px}.adventure-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.adventure-card{min-height:215px}.card-tag{display:none}.card-art .art-scratch,.card-art .art-scratchjr{max-width:100%;width:113px}.classroom-strip{align-items:flex-start;font-size:10px}.classroom-strip>span{max-width:150px}footer{padding:15px 18px;flex-wrap:wrap;gap:10px}footer p{flex:1;min-width:180px}footer nav{width:100%;margin:0;justify-content:space-between;font-size:10px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.activity-heading{flex-wrap:wrap}.category-tabs{max-width:100%;overflow-x:auto}.category-tabs button{flex-shrink:0}@media(max-width:650px){.category-tabs{width:100%;justify-content:space-between;gap:2px}.category-tabs button{gap:5px;padding:10px 9px;font-size:12px}.category-tabs button span{display:none}}

@media(min-width:781px){.adventure-grid[aria-labelledby="aiTab"],.adventure-grid[aria-labelledby="digitalTab"]{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(min-width:1100px){.adventure-grid[aria-labelledby="digitalTab"]{grid-template-columns:repeat(4,minmax(0,1fr))}}