/* Zukko: sunny sky + chunky ink-outlined stickers. One look for every subject, each subject gets its own tile colour. */
:root{
  --sky:#D3EEFF; --sky-dot:#B4DEFA; --ink:#1E2B5C; --ink-soft:#4F5D8C; --paper:#FFFFFF;
  --sun:#FFC93C; --leaf:#2DB873; --berry:#F0457A; --slot:#EAF6FF; --coral:#FF8A7A;
  --display:"Baloo 2","Nunito","Noto Naskh Arabic","Arial Rounded MT Bold",system-ui,sans-serif;
  --body:"Nunito","Noto Naskh Arabic","Segoe UI",system-ui,sans-serif;
  --arabic:"Noto Naskh Arabic","Geeza Pro","Arial",sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{
  background-color:var(--sky);
  background-image:radial-gradient(var(--sky-dot) 1.6px,transparent 1.8px);background-size:26px 26px;
  color:var(--ink);font-family:var(--body);font-size:16px;font-weight:600;
  padding-left:max(14px,env(safe-area-inset-left,0px));padding-right:max(14px,env(safe-area-inset-right,0px));
  -webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;overflow-x:hidden;
}
button,input{font:inherit;color:inherit}
button{cursor:pointer;touch-action:manipulation}
button:focus-visible,input:focus-visible{outline:4px solid var(--berry);outline-offset:3px}
button:disabled{opacity:.45;cursor:default}
.app{max-width:760px;margin:0 auto;min-height:100%;display:flex;flex-direction:column;gap:16px;padding-block:14px 28px}
.loading{flex:1;display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:1.6rem;color:var(--ink-soft);min-height:60vh}

.chunk{background:var(--paper);border:3px solid var(--ink);border-radius:20px;box-shadow:0 5px 0 var(--ink);transition:transform .08s,box-shadow .08s}
.chunk:active:not(:disabled){transform:translateY(4px);box-shadow:0 1px 0 var(--ink)}
.pimg{display:block;object-fit:contain;mix-blend-mode:multiply;-webkit-user-drag:none;pointer-events:none}
.emo{font-size:2.6rem;line-height:1.15;font-family:"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",sans-serif}
.num{display:inline-grid;place-items:center;min-width:1.5em;height:1.5em;padding:0 .25em;border-radius:999px;background:var(--sun);border:3px solid var(--ink);font-family:var(--display);font-weight:800;font-size:1.7rem;line-height:1;font-variant-numeric:tabular-nums}
.ltr{font-family:var(--display);font-weight:800;line-height:1}
.rtl{direction:rtl;font-family:var(--arabic);font-weight:700}

/* top bar */
.top{display:flex;align-items:center;gap:12px}
.back{width:52px;height:52px;flex:none;font-size:1.5rem;font-weight:800;display:grid;place-items:center;padding:0}
.ttl{min-width:0;flex:1}
.ttl h2{font-family:var(--display);font-weight:800;font-size:1.8rem;line-height:1.05;margin:0;overflow-wrap:anywhere}
.ttl span{color:var(--ink-soft);font-size:.9rem}
.count{font-family:var(--display);font-weight:800;font-size:1.15rem;font-variant-numeric:tabular-nums;background:var(--paper);border:2px solid var(--ink);border-radius:999px;padding:2px 12px;white-space:nowrap}
.lock{width:44px;height:44px;border-radius:50%;padding:0;display:grid;place-items:center;font-size:1.2rem;flex:none}

/* brand + child picker */
.brand{display:flex;align-items:center;justify-content:space-between;gap:12px}
.logo{font-family:var(--display);font-weight:800;font-size:2.6rem;line-height:1;letter-spacing:-.01em}
.logo em{font-style:normal;color:var(--berry)}
.lead{margin:0;color:var(--ink-soft);font-size:1rem}
.kids{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:16px}
.kid{display:flex;flex-direction:column;align-items:center;gap:4px;padding:14px 10px}
.kid .pimg{width:110px;height:110px}
.kid b{font-family:var(--display);font-weight:800;font-size:1.5rem;line-height:1.1}
.kid small{color:var(--ink-soft)}
.add{border-style:dashed;box-shadow:none;background:transparent;justify-content:center;min-height:180px;font-family:var(--display);font-weight:800;font-size:1.2rem}

/* child header */
.me{display:flex;align-items:center;gap:12px}
.me .av{width:58px;height:58px;border-radius:50%;background:var(--paper);border:3px solid var(--ink);display:grid;place-items:center;overflow:hidden;flex:none;padding:0}
.me .av .pimg{width:52px;height:52px}
.me .nm{flex:1;min-width:0}
.me .nm b{display:block;font-family:var(--display);font-weight:800;font-size:1.6rem;line-height:1}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.pill{display:inline-flex;align-items:center;gap:4px;border:2px solid var(--ink);background:var(--paper);border-radius:999px;padding:1px 10px;font-weight:800;font-size:.85rem;font-variant-numeric:tabular-nums}
.pill.warn{background:#FFE3E3;border-color:var(--berry)}

/* subjects & topics */
.subjects{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.subj{display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:14px;text-align:left;background:var(--tc,var(--paper));min-height:150px}
.subj .fl{font-size:2.6rem;line-height:1.1}
.subj b{font-family:var(--display);font-weight:800;font-size:1.45rem;line-height:1.05}
.subj .tu{font-size:.85rem;color:var(--ink-soft)}
.prog{display:flex;align-items:center;gap:6px;width:100%;margin-top:auto;padding-top:6px;font-size:.8rem;font-variant-numeric:tabular-nums}
.bar{flex:1;height:10px;border-radius:99px;background:rgba(255,255,255,.75);border:2px solid var(--ink);overflow:hidden}
.bar i{display:block;height:100%;background:var(--leaf)}
.topics{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.tile{display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:10px 12px 12px;text-align:left;background:var(--tc,var(--paper))}
.tile .ti{height:72px;display:flex;align-items:center}
.tile .ti .pimg{width:72px;height:72px}
.tile .ti .big{font-family:var(--display);font-weight:800;font-size:2.6rem}
.tile b{font-family:var(--display);font-weight:800;font-size:1.2rem;line-height:1.1;overflow-wrap:anywhere}
.tile .tu{font-size:.8rem;color:var(--ink-soft)}

/* topic page */
.modes{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.mode{display:flex;flex-direction:column;align-items:center;padding:10px 6px}
.mode .mi{font-size:2.2rem;line-height:1.2}
.mode b{font-family:var(--display);font-weight:800;font-size:1.25rem;line-height:1.1}
.mode small{font-size:.75rem;color:var(--ink-soft);text-align:center}
.m-learn{background:#FFF1B8}.m-find{background:#CFF3DE}.m-pairs{background:#FFD6E3}
.levels{display:flex;flex-wrap:wrap;gap:8px}
.lvl{border:2px solid var(--ink);background:var(--paper);border-radius:999px;padding:6px 14px;font-family:var(--display);font-weight:800;font-size:1.05rem}
.lvl[aria-pressed="true"]{background:var(--sun)}
.album{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:12px}
.stk{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:8px 4px;min-height:110px;border-radius:18px;border:2px dashed var(--sky-dot);background:var(--slot);transform:rotate(var(--r,0deg))}
.stk .pimg{width:72px;height:72px}
.stk:not(.got) .pimg,.stk:not(.got) .emo{opacity:.3;filter:grayscale(1)}
.stk:not(.got) .ltr,.stk:not(.got) .num{opacity:.35}
.stk.got{background:var(--paper);border:4px solid var(--paper);box-shadow:0 0 0 2px var(--ink),0 5px 0 2px var(--ink)}
.stk .lbl{font-family:var(--display);font-weight:800;font-size:.98rem;line-height:1.1;text-align:center;overflow-wrap:anywhere}
.stk .lbl.rtl{font-size:1.15rem}
.stk .uz{font-size:.72rem;color:var(--ink-soft);text-align:center;line-height:1.1}
.stk .ltr{font-size:2.4rem}
.stk.weak::after{content:"!";position:absolute;top:-6px;right:-6px;background:var(--coral);color:var(--paper);border:2px solid var(--ink);border-radius:50%;width:22px;height:22px;display:grid;place-items:center;font-weight:800;font-size:.8rem}
.hint{margin:0;font-size:.85rem;color:var(--ink-soft)}

/* look */
.stage{flex:1;display:grid;place-items:center;min-height:300px}
.card{width:min(360px,100%);min-height:min(420px,62vh);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:16px;border-radius:30px;transform:rotate(-1.5deg)}
.card .pimg{width:min(270px,64vw);height:min(270px,64vw)}
.card .emo{font-size:clamp(7rem,32vw,9rem)}
.card .num{font-size:clamp(4.2rem,20vw,6rem)}
.card .ltr{font-size:clamp(6rem,30vw,8.5rem)}
.card .ltr.rtl{font-size:clamp(7rem,34vw,10rem)}
.card .word{font-family:var(--display);font-weight:800;font-size:clamp(2rem,9vw,3rem);line-height:1.1;text-align:center}
.card .word.rtl{font-size:clamp(2.4rem,11vw,3.4rem)}
.card .uz{font-size:1rem;color:var(--ink-soft)}
.card .ex{display:flex;align-items:center;gap:10px}
.card .ex .pimg{width:90px;height:90px}
.nav{display:flex;justify-content:center;align-items:center;gap:18px}
.round{width:74px;height:74px;border-radius:50%;font-size:1.9rem;display:grid;place-items:center;padding:0}
.round.play{width:90px;height:90px;background:var(--sun);font-size:2.3rem}

/* games */
.dots{display:flex;gap:7px;justify-content:center;flex-wrap:wrap}
.dots i{width:15px;height:15px;border-radius:50%;border:2px solid var(--ink);background:var(--paper)}
.dots i.on{background:var(--sun)}.dots i.ok{background:var(--leaf)}
.ear{align-self:center;display:flex;align-items:center;gap:10px;padding:10px 24px;background:var(--sun);font-family:var(--display);font-weight:800;font-size:1.5rem}
.ear .ico{font-size:2.2rem}
.opts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;align-content:center;flex:1}
.opt{aspect-ratio:3/4;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:6px;border-radius:24px}
.opt .pimg{width:100%;height:auto;aspect-ratio:1}
.opt .emo{font-size:clamp(3.2rem,15vw,5rem)}
.opt .num{font-size:clamp(2rem,9vw,3rem)}
.opt .ltr{font-size:clamp(3.4rem,15vw,5rem)}
.opt .w{font-family:var(--display);font-weight:800;font-size:1.05rem;min-height:1.3em;line-height:1.2;text-align:center}
.opt.right{background:#CFF3DE;border-color:var(--leaf);box-shadow:0 5px 0 var(--leaf)}
.opt.nope{opacity:.35;animation:shake .4s}
.opt.bignum{aspect-ratio:1}
.opt.bignum .n{font-family:var(--display);font-weight:800;font-size:clamp(2.6rem,12vw,3.6rem);line-height:1;font-variant-numeric:tabular-nums}
@keyframes shake{25%{transform:translateX(-8px) rotate(-3deg)}75%{transform:translateX(8px) rotate(3deg)}}
.pop{animation:pop .45s}
@keyframes pop{40%{transform:scale(1.12) rotate(-3deg)}}
.scene{background:var(--paper);border:3px solid var(--ink);border-radius:24px;padding:12px;display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;min-height:150px}
.scene .pimg{width:52px;height:52px}
.scene .emo{font-size:2.6rem}
.scene .gone{position:relative;opacity:.35}
.scene .gone::after{content:"✕";position:absolute;inset:0;display:grid;place-items:center;color:var(--berry);font-size:2.6rem;font-weight:800;opacity:1}
.scene .op{font-family:var(--display);font-weight:800;font-size:2.6rem;padding:0 6px}
.scene.seq{gap:10px}
.scene.seq .n{font-family:var(--display);font-weight:800;font-size:2.6rem;background:var(--slot);border:3px solid var(--ink);border-radius:16px;min-width:64px;padding:2px 8px;text-align:center;font-variant-numeric:tabular-nums}
.scene.seq .n.q{background:var(--sun)}
.sides{display:grid;grid-template-columns:1fr 1fr;gap:12px;flex:1;align-content:center}
.side{min-height:220px;display:flex;flex-wrap:wrap;justify-content:center;align-content:center;gap:4px;padding:10px;border-radius:24px}
.side .pimg{width:48px;height:48px}
.side.right{background:#CFF3DE;border-color:var(--leaf);box-shadow:0 5px 0 var(--leaf)}
.side.nope{opacity:.45;animation:shake .4s}

/* pairs */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;align-content:center;flex:1}
.pc{aspect-ratio:3/4;border-radius:18px;perspective:600px;padding:0;border:0;background:none}
.pc .in{position:relative;display:block;width:100%;height:100%;transition:transform .35s;transform-style:preserve-3d}
.pc.open .in,.pc.done .in{transform:rotateY(180deg)}
.pc .f,.pc .b{position:absolute;inset:0;display:grid;place-items:center;border:3px solid var(--ink);border-radius:18px;backface-visibility:hidden;-webkit-backface-visibility:hidden;box-shadow:0 4px 0 var(--ink)}
.pc .f{background:var(--berry);background-image:radial-gradient(rgba(255,255,255,.35) 3px,transparent 3.5px);background-size:16px 16px;font-family:var(--display);font-weight:800;font-size:2rem;color:var(--paper)}
.pc .b{background:var(--paper);transform:rotateY(180deg)}
.pc .b .pimg{width:88%;height:88%}
.pc .b .ltr{font-size:2.6rem}
.pc .b .num{font-size:1.5rem}
.pc .b .emo{font-size:2.6rem}
.pc.done .b{background:#CFF3DE}

/* done / time up */
.done{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center}
.done .big{font-size:5rem;line-height:1}
.done h2{font-family:var(--display);font-weight:800;font-size:2.8rem;line-height:1;margin:0}
.stars{font-size:2.2rem;letter-spacing:4px}
.row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.wide{padding:12px 22px;font-family:var(--display);font-weight:800;font-size:1.2rem}
.wide.go{background:var(--leaf);color:var(--paper)}
.wide.danger{background:#FFE3E3;border-color:var(--berry);box-shadow:0 5px 0 var(--berry)}
.newst{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;max-width:420px}
.newst .pimg{width:56px;height:56px}
.spark{position:fixed;pointer-events:none;font-size:1.8rem;z-index:50;animation:fly .9s ease-out forwards}
@keyframes fly{to{transform:translate(var(--dx),var(--dy)) scale(.4) rotate(160deg);opacity:0}}

/* forms, PIN, parent area */
.panel{background:var(--paper);border:3px solid var(--ink);border-radius:22px;padding:16px;display:flex;flex-direction:column;gap:12px}
.panel h3{font-family:var(--display);font-weight:800;font-size:1.3rem;margin:0}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-weight:800;font-size:.9rem}
.input{border:3px solid var(--ink);border-radius:14px;padding:10px 12px;font-size:1.2rem;font-weight:800;background:var(--paper);width:100%}
.avs{display:grid;grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:8px}
.avb{aspect-ratio:1;border:3px solid transparent;border-radius:18px;background:var(--slot);padding:4px;display:grid;place-items:center}
.avb .pimg{width:100%;height:100%}
.avb[aria-pressed="true"]{border-color:var(--ink);background:var(--sun)}
.choice{display:flex;flex-wrap:wrap;gap:8px}
.choice button{border:2px solid var(--ink);background:var(--paper);border-radius:999px;padding:6px 14px;font-weight:800}
.choice button[aria-pressed="true"]{background:var(--sun)}
.pinbox{display:flex;justify-content:center;gap:12px;margin:8px 0}
.pinbox i{width:22px;height:22px;border-radius:50%;border:3px solid var(--ink);background:var(--paper)}
.pinbox i.on{background:var(--ink)}
.keypad{display:grid;grid-template-columns:repeat(3,76px);gap:12px;justify-content:center}
.keypad button{height:66px;font-family:var(--display);font-weight:800;font-size:1.8rem;padding:0}
.err{color:#C0264F;font-weight:800;text-align:center;min-height:1.3em;margin:0}
.tabs{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}
.tab{flex:none;display:flex;align-items:center;gap:6px;border:2px solid var(--ink);background:var(--paper);border-radius:999px;padding:4px 12px 4px 4px;font-weight:800}
.tab .pimg{width:30px;height:30px}
.tab[aria-pressed="true"]{background:var(--sun)}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.kpi{background:var(--slot);border-radius:16px;padding:10px;text-align:center}
.kpi b{display:block;font-family:var(--display);font-weight:800;font-size:1.7rem;line-height:1;font-variant-numeric:tabular-nums}
.kpi span{font-size:.75rem;color:var(--ink-soft)}
.chart{display:grid;grid-template-columns:repeat(14,1fr);gap:4px;align-items:end;height:120px;padding-top:8px}
.chart .c{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:3px;height:100%}
.chart .c i{width:100%;max-width:22px;background:var(--leaf);border-radius:6px 6px 2px 2px;min-height:2px}
.chart .c.today i{background:var(--berry)}
.chart .c span{font-size:.62rem;color:var(--ink-soft);font-variant-numeric:tabular-nums}
.chart-cap{display:flex;justify-content:space-between;font-size:.75rem;color:var(--ink-soft)}
.srow{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center}
.srow .fl{font-size:1.5rem}
.srow .t b{display:block;font-weight:800}
.srow .t small{color:var(--ink-soft)}
.srow .acc{font-family:var(--display);font-weight:800;font-size:1.2rem;font-variant-numeric:tabular-nums}
.mlist{display:flex;flex-direction:column;gap:8px}
.mi{display:grid;grid-template-columns:56px 1fr auto;gap:10px;align-items:center;padding:6px;border-radius:14px;background:var(--slot)}
.mi .pic{width:56px;height:56px;display:grid;place-items:center}
.mi .pic .pimg{width:56px;height:56px}
.mi .pic .ltr{font-size:1.8rem}
.mi .t b{display:block;font-weight:800}
.mi .t small{color:var(--ink-soft)}
.mi .w{background:#FFE3E3;border:2px solid var(--berry);border-radius:999px;padding:0 8px;font-weight:800;font-variant-numeric:tabular-nums;white-space:nowrap}
.empty{color:var(--ink-soft);text-align:center;padding:10px}
.toggle{display:flex;align-items:center;justify-content:space-between;gap:10px}
.sw{width:56px;height:32px;border-radius:999px;border:2px solid var(--ink);background:var(--slot);position:relative;padding:0;flex:none}
.sw::after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:var(--ink);transition:left .15s}
.sw[aria-pressed="true"]{background:var(--leaf)}
.sw[aria-pressed="true"]::after{left:27px;background:var(--paper)}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:10px 18px;border-radius:999px;font-weight:800;z-index:60;max-width:90vw;text-align:center}

@media (prefers-reduced-motion:reduce){.pc .in{transition:none}.opt.nope,.side.nope,.pop{animation:none}.chunk{transition:none}.sw::after{transition:none}}
@media (max-width:420px){
  .kids{grid-template-columns:repeat(2,1fr);gap:12px}
  .topics{grid-template-columns:repeat(2,1fr);gap:12px}
  .album{grid-template-columns:repeat(3,1fr);gap:10px}
  .grid,.opts{gap:8px}
  .keypad{grid-template-columns:repeat(3,70px)}
}