:root{--ink:#2B2340;--muted:#6B6385;--bg1:#FFF4E0;--bg2:#E6F4FF;--card:#fff;--r:24px;--y:#22C55E;--c:#3B82F6;--a:#8B5CF6;--sun:#FFB020;--coral:#FF6B6B;
--sh:0 10px 0 rgba(43,35,64,.06),0 14px 28px rgba(43,35,64,.12);--sh2:0 4px 0 rgba(43,35,64,.08),0 8px 18px rgba(43,35,64,.10)}
*{box-sizing:border-box}
html,body{margin:0;overflow-x:hidden}
body{font-family:"Varela Round","Rubik",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--ink);background:linear-gradient(180deg,var(--bg2) 0,#FFF9F0 420px,var(--bg1) 100%);background-attachment:fixed;line-height:1.6;font-size:17px}
h1,h2,h3,h4{font-family:"Rubik","Varela Round",system-ui,sans-serif;line-height:1.25;margin:.2em 0 .4em}
a{color:#2563EB}
img{max-width:100%}
.wrap{max-width:1100px;margin:0 auto;padding:0 14px}
header.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.88);backdrop-filter:blur(8px);box-shadow:0 2px 10px rgba(43,35,64,.08)}
.top-in{display:flex;align-items:center;gap:10px;padding:8px 14px;max-width:1100px;margin:0 auto}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);min-width:0}
.brand b{font-family:Rubik,sans-serif;font-size:16px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand small{color:var(--muted);font-size:12px;display:block}
.brand span{min-width:0}
nav.main{display:flex;gap:6px;overflow-x:auto;padding:6px 14px 10px;max-width:1100px;margin:0 auto;scrollbar-width:none}
nav.main::-webkit-scrollbar{display:none}
nav.main a{flex:0 0 auto;text-decoration:none;color:var(--ink);background:#fff;border-radius:999px;padding:7px 13px;font-size:14px;box-shadow:var(--sh2);white-space:nowrap}
nav.main a.on{background:var(--ink);color:#fff}
main{padding:14px 0 30px;min-height:60vh}
.hero{position:relative;border-radius:32px;padding:22px 18px 18px;margin:6px 0 18px;background:radial-gradient(120% 90% at 85% 10%,#FFE29A 0,#FFC46B 30%,#FF8A7A 70%,#C26BFF 100%);color:#fff;box-shadow:var(--sh);overflow:hidden}
.hero h1{font-size:clamp(26px,6.5vw,46px);text-shadow:0 3px 0 rgba(0,0,0,.12);margin:0 0 6px}
.hero p{font-size:17px;margin:0 0 8px;max-width:640px}
.hero .chip{display:inline-block;background:rgba(255,255,255,.25);border-radius:999px;padding:4px 12px;font-size:14px;margin-bottom:8px}
.hero svg.mascot{width:150px;height:150px;float:left;margin:-6px -4px 0 6px;filter:drop-shadow(0 10px 10px rgba(0,0,0,.18))}
.flow{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:10px}
.flow span{background:#fff;color:var(--ink);border-radius:16px;padding:6px 12px;font-weight:700;box-shadow:var(--sh2);font-size:15px}
.flow i{font-style:normal;font-size:20px}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr))}
.grid.two{grid-template-columns:repeat(auto-fill,minmax(min(100%,420px),1fr))}
.card{background:var(--card);border-radius:var(--r);padding:16px;box-shadow:var(--sh);position:relative;overflow:hidden;min-width:0}
.card:before{content:"";position:absolute;inset:0 0 auto 0;height:6px;background:var(--accent,#FFB020);opacity:.9}
.card h3{font-size:19px}
.card .meta{font-size:13px;color:var(--muted);margin:0 0 6px}
.pill{display:inline-block;border-radius:999px;padding:2px 10px;font-size:13px;background:#F3EEFF;color:#5B3FB8;margin:0 0 4px 4px}
.pill.g{background:#E7F9EE;color:#167A3D}.pill.b{background:#E6F0FF;color:#1D4ED8}.pill.o{background:#FFF1DD;color:#A35A00}.pill.r{background:#FFE8E8;color:#B42323}
.doors{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));margin:6px 0 20px}
.door{display:block;text-decoration:none;color:#fff;border-radius:30px;padding:18px 18px 16px;box-shadow:var(--sh);position:relative;overflow:hidden;transition:transform .15s}
.door:hover,.door:focus{transform:translateY(-3px)}
.door.y{background:radial-gradient(110% 90% at 80% 0,#B7F5C8 0,#4ADE80 40%,#16A34A 100%)}
.door.c{background:radial-gradient(110% 90% at 80% 0,#BFE0FF 0,#60A5FA 40%,#2563EB 100%)}
.door.a{background:radial-gradient(110% 90% at 80% 0,#E3D2FF 0,#A78BFA 40%,#7C3AED 100%)}
.door h2{font-size:28px;margin:0;text-shadow:0 3px 0 rgba(0,0,0,.12)}
.door p{margin:4px 0 0;font-size:15px;opacity:.95}
.door svg{width:96px;height:96px;float:left;filter:drop-shadow(0 8px 8px rgba(0,0,0,.2))}
.door .go{display:inline-block;margin-top:10px;background:#fff;color:var(--ink);border-radius:999px;padding:8px 16px;font-weight:700;box-shadow:0 4px 0 rgba(0,0,0,.12)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:46px;padding:10px 16px;border-radius:16px;border:0;background:var(--ink);color:#fff;font:inherit;font-weight:700;text-decoration:none;cursor:pointer;box-shadow:0 4px 0 rgba(0,0,0,.18);margin:6px 0 0 6px;font-size:16px}
.btn:active{transform:translateY(2px);box-shadow:0 2px 0 rgba(0,0,0,.18)}
.btn.sun{background:var(--sun);color:#3B2600}.btn.green{background:#16A34A}.btn.blue{background:#2563EB}.btn.purple{background:#7C3AED}.btn.coral{background:var(--coral)}.btn.light{background:#fff;color:var(--ink);box-shadow:var(--sh2)}
.btn.big{min-height:54px;font-size:17px;padding:12px 20px}
.prompt{background:#FFFBF2;border:2px dashed #F5C46B;border-radius:18px;padding:12px;margin:8px 0;position:relative}
.prompt pre{white-space:pre-wrap;word-wrap:break-word;overflow-wrap:anywhere;font-family:inherit;margin:0 0 6px;font-size:15.5px;line-height:1.65}
.prompt pre .bk{background:#FFE7A3;border-radius:6px;padding:0 3px}
.copy{background:var(--sun);color:#3B2600}
.copy.done{background:#16A34A;color:#fff}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 14px}
.tabs a{flex:1 1 auto;text-align:center;text-decoration:none;background:#fff;color:var(--ink);border-radius:16px;padding:10px 12px;box-shadow:var(--sh2);font-weight:700;font-size:15px;min-width:130px}
.tabs a.on{background:var(--accent);color:#fff}
.agehead{border-radius:28px;padding:16px;color:#fff;box-shadow:var(--sh);margin-bottom:12px}
.agehead.y{background:linear-gradient(135deg,#34D399,#16A34A)}.agehead.c{background:linear-gradient(135deg,#60A5FA,#2563EB)}.agehead.a{background:linear-gradient(135deg,#A78BFA,#7C3AED)}
.agehead h1{font-size:28px;margin:0}
.agehead p{margin:6px 0 0}
details{background:#fff;border-radius:18px;box-shadow:var(--sh2);margin:10px 0;overflow:hidden}
details>summary{cursor:pointer;padding:14px 16px;font-weight:700;list-style:none;display:flex;gap:8px;align-items:center}
details>summary::-webkit-details-marker{display:none}
details>summary:after{content:"▾";margin-inline-start:auto;transition:transform .2s}
details[open]>summary:after{transform:rotate(180deg)}
details .in{padding:0 16px 16px}
.stages{counter-reset:s;list-style:none;padding:0;margin:8px 0}
.stages li{position:relative;padding:10px 46px 10px 10px;margin:8px 0;background:#F7F5FF;border-radius:16px}
.stages li:before{counter-increment:s;content:counter(s);position:absolute;right:8px;top:10px;width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.stages b{display:block}
.stages small{display:block;color:var(--muted)}
.rub{display:grid;gap:8px;margin:8px 0}
.rub .row{background:#FAF9FF;border-radius:14px;padding:10px}
.rub .row h4{margin:0 0 6px;font-size:16px}
.rub .lv{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:6px}
.rub .lv div{border-radius:10px;padding:6px 8px;font-size:14px;background:#fff;border:1px solid #EEE}
.rub .lv div b{display:block;font-size:12px}
.rub .lv div:nth-child(1){border-color:#86EFAC}.rub .lv div:nth-child(2){border-color:#93C5FD}.rub .lv div:nth-child(3){border-color:#FCD34D}.rub .lv div:nth-child(4){border-color:#FCA5A5}
.thumb{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:16px;background:#EEE;margin-bottom:8px}
.thumb.doc{aspect-ratio:3/4;object-fit:cover;object-position:top;max-height:260px}
.yt{position:relative;display:block;width:100%;aspect-ratio:16/9;border-radius:16px;overflow:hidden;background:#000;border:0;padding:0;cursor:pointer;margin-bottom:8px}
.yt img{width:100%;height:100%;object-fit:cover;opacity:.9}
.yt span{position:absolute;inset:0;margin:auto;width:68px;height:48px;border-radius:14px;background:#FF0033;color:#fff;font-size:24px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(0,0,0,.3)}
.yt iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.credit{font-size:13px;color:var(--muted);margin:6px 0 0}
.flipgrid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(min(100%,230px),1fr))}
.flip{perspective:900px;height:170px;cursor:pointer;border:0;background:none;padding:0;font:inherit;color:inherit;width:100%}
.flip .fi{position:relative;width:100%;height:100%;transition:transform .5s;transform-style:preserve-3d}
.flip.on .fi{transform:rotateY(180deg)}
.flip .f,.flip .b{position:absolute;inset:0;border-radius:22px;padding:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;backface-visibility:hidden;-webkit-backface-visibility:hidden;box-shadow:var(--sh);font-weight:700;font-size:17px}
.flip .f{background:linear-gradient(160deg,#fff,#FFF3D6)}
.flip .b{background:var(--accent);color:#fff;transform:rotateY(180deg)}
.flip .n{position:absolute;top:8px;right:12px;font-size:12px;opacity:.6}
.game{background:#fff;border-radius:24px;box-shadow:var(--sh);padding:16px;margin:12px 0}
.game h3{margin-top:0}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.chipb{border:0;border-radius:14px;padding:10px 12px;background:#F1F0FB;font:inherit;font-size:15px;cursor:pointer;box-shadow:0 3px 0 rgba(0,0,0,.08);color:var(--ink);text-align:right}
.chipb.sel{outline:3px solid var(--sun);background:#FFF6DD}
.chipb.ok{background:#DCFCE7}.chipb.bad{background:#FEE2E2;animation:shake .4s}
@keyframes shake{25%{transform:translateX(4px)}75%{transform:translateX(-4px)}}
.bins{display:grid;gap:8px;grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}
.bin{border:3px dashed #D9D4F2;border-radius:18px;padding:10px;min-height:90px;background:#FCFBFF;cursor:pointer;font:inherit;color:var(--ink);text-align:right}
.bin h4{margin:0 0 6px;font-size:15px}
.bin .chipb{font-size:13px;padding:6px 8px;margin:2px;cursor:default}
.score{font-weight:700;margin:8px 0}
.olist{list-style:none;padding:0;margin:8px 0}
.olist li{display:flex;align-items:center;gap:8px;background:#F7F5FF;border-radius:14px;padding:8px 10px;margin:6px 0}
.olist li.ok{background:#DCFCE7}.olist li.bad{background:#FEE2E2}
.olist li span{flex:1}
.olist button{border:0;background:#fff;border-radius:10px;width:40px;height:40px;font-size:18px;cursor:pointer;box-shadow:0 2px 0 rgba(0,0,0,.1)}
.mem{display:grid;gap:8px;grid-template-columns:repeat(auto-fill,minmax(min(30%,140px),1fr))}
.mem button{min-height:86px;border:0;border-radius:16px;font:inherit;font-size:14px;cursor:pointer;background:linear-gradient(160deg,#A78BFA,#7C3AED);color:#fff;box-shadow:0 4px 0 rgba(0,0,0,.15);padding:6px}
.mem button.open{background:#fff;color:var(--ink);box-shadow:var(--sh2)}
.mem button.done{background:#DCFCE7;color:#14532D}
.quiz .opt{display:block;width:100%;text-align:right;border:0;border-radius:14px;background:#F1F0FB;padding:12px;margin:8px 0;font:inherit;cursor:pointer;box-shadow:0 3px 0 rgba(0,0,0,.08);color:var(--ink)}
.quiz .opt.ok{background:#DCFCE7}.quiz .opt.bad{background:#FEE2E2}
.quiz .fb{border-radius:14px;padding:10px;background:#FFF7E6;margin:8px 0}
.bar{height:10px;background:#EEE;border-radius:999px;overflow:hidden;margin:6px 0 12px}
.bar i{display:block;height:100%;background:var(--accent);transition:width .3s}
.wheel{width:220px;height:220px;margin:10px auto;border-radius:50%;background:conic-gradient(#FF6B6B 0 30deg,#FFB020 0 60deg,#22C55E 0 90deg,#3B82F6 0 120deg,#8B5CF6 0 150deg,#EC4899 0 180deg,#FF6B6B 0 210deg,#FFB020 0 240deg,#22C55E 0 270deg,#3B82F6 0 300deg,#8B5CF6 0 330deg,#EC4899 0 360deg);box-shadow:var(--sh);transition:transform 2.2s cubic-bezier(.2,.8,.2,1);position:relative}
.wheel:after{content:"";position:absolute;inset:38%;border-radius:50%;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.2)}
.wheelbox{text-align:center;position:relative}
.wheelbox:before{content:"▼";position:absolute;top:-4px;left:0;right:0;font-size:26px;color:var(--ink);z-index:2}
.wq{font-size:20px;font-weight:700;min-height:60px;padding:10px;background:#FFF7E6;border-radius:16px;margin-top:8px}
.note{background:#FFF7E6;border-radius:16px;padding:10px 12px;font-size:15px;margin:8px 0}
.note.blue{background:#EAF3FF}.note.green{background:#EAFBF0}
.levels{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(min(100%,250px),1fr))}
.lvl{border-radius:22px;padding:14px;color:#fff;box-shadow:var(--sh)}
.lvl h3{margin:0 0 4px}
.lvl p{margin:4px 0;font-size:15px}
.steps{padding-inline-start:20px}
.steps li{margin:6px 0}
.sec-title{display:flex;align-items:center;gap:8px;margin:20px 0 8px;font-size:22px}
.sec-title small{font-size:14px;color:var(--muted);font-weight:400}
table.fr{width:100%;border-collapse:collapse;font-size:15px}
table.fr td,table.fr th{border-bottom:1px solid #EEE;padding:8px;text-align:right;vertical-align:top}
.foot{display:flex;align-items:center;justify-content:center;gap:8px;padding:20px 14px 30px;text-align:center;color:var(--muted);font-size:14px}
.foot b{color:var(--ink);font-size:16px}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.toc a{background:#fff;border-radius:999px;padding:6px 12px;text-decoration:none;color:var(--ink);box-shadow:var(--sh2);font-size:14px}
.mine{outline:3px solid var(--sun)}
@media (max-width:520px){body{font-size:16px}.hero svg.mascot{width:110px;height:110px}.door svg{width:78px;height:78px}.tabs a{min-width:calc(50% - 8px);font-size:14px;padding:9px 8px}}
@media print{header.top,nav,.btn,.foot img{display:none}}

[id]{scroll-margin-top:120px}

/* kits */
.card.kit{grid-column:1/-1;margin:6px 0 4px}.kit-in{display:grid;gap:14px;grid-template-columns:1fr;align-items:start;margin-top:8px}@media(min-width:760px){.kit-in{grid-template-columns:minmax(0,5fr) minmax(0,6fr)}}.kit-in h3{font-size:21px;margin:2px 0 4px}.kit-btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}.kit-btns .btn{flex:1 1 100%;white-space:nowrap}@media(min-width:520px){.kit-btns .btn{flex:1 1 150px}}.kit-cv img{margin:0;box-shadow:var(--sh2)}.kit-d{margin:12px 0 0;box-shadow:none;border:2px solid #FFE1B8}.kit-d .game{margin:0}.kit-mini{display:block;text-decoration:none;color:inherit}.kit-mini h3{font-size:17px;margin:6px 0}.kit-mini .go{font-weight:700;color:#C2410C;font-size:14px}
.card.kit .thumb,.kit-mini .thumb{height:auto}