/* aplicatie.css — stiluri proprii lecției „Numere mari împărțite la o cifră” (doar variabile de culoare). */

/* ---------- așezarea împărțirii în scris (.nm) ----------
   coloana 1: locul semnului „−”; apoi câte o coloană pe cifră (coloana miilor e puțin mai lată: spațiul la mii);
   în dreapta, după linia verticală: împărțitorul sus, linia orizontală, câtul dedesubt. */
.nm{display:inline-grid;grid-auto-rows:1.22em;font-family:"Baloo 2",system-ui,sans-serif;font-weight:800;
  font-size:calc(var(--nmfs, 30px) * var(--fs));line-height:1.22;color:var(--ink);font-variant-numeric:tabular-nums;text-align:center}
.nm-c{border-radius:6px;position:relative;z-index:1;transition:background .25s,color .25s}
.nm-c.mii{padding-right:.2em}
.nm-c.semn{color:var(--muted);text-align:right;padding-right:.04em}
.nm-c.zero{color:var(--muted)}
.nm-c.jos{color:var(--sky)}
.nm-l{align-self:end;height:0;border-bottom:3px solid var(--ink);margin:0 -.04em 1px;z-index:1}
.nm-dr{display:grid;grid-template-rows:1.22em 1.22em;border-left:3px solid var(--ink);margin-left:.14em;align-self:start}
.nm-div{padding:0 .3em;border-bottom:3px solid var(--ink);color:var(--berry);text-align:left}
.nm-div b{font-weight:inherit;border-radius:6px;padding:0 .05em;transition:background .25s}
.nm-cat{display:flex;padding:0 .3em}
.nm-q{display:inline-block;min-width:.66em;text-align:center;color:var(--leaf-deep);border-radius:6px;transition:background .25s}
.nm-q.mii{margin-right:.24em}
.nm .ascuns{visibility:hidden}
/* cifrele active la pasul curent */
.nm .act{background:var(--sun);color:var(--on-sun)}
.nm .nm-l.act{background:none;border-color:var(--berry)}
.nm-c.rest:not(.ascuns){box-shadow:inset 0 0 0 2px var(--berry)}
/* săgeata care „coboară” cifra: o linie punctată care crește de sus în jos, cu vârf */
.nm-sag{position:relative;z-index:0;opacity:0;pointer-events:none;display:flex;justify-content:center}
.nm-sag.mii{padding-right:.2em}
.nm-sag i{display:block;width:3px;height:calc(100% - .12em);margin-top:.06em;background:repeating-linear-gradient(to bottom,var(--sky) 0 6px,transparent 6px 10px);position:relative;transform-origin:top}
.nm-sag i::after{content:"";position:absolute;left:50%;bottom:-.06em;transform:translateX(-50%);border:.2em solid transparent;border-top:.26em solid var(--sky);border-bottom:0}
.nm-sag.go{opacity:1}
.nm-sag.go i{animation:nm-jos .55s ease-out both}
.nm .nm-c.jos.act{animation:nm-cade .55s ease-out both}
/* căsuța pentru cifra câtului (laborator) */
.nm-q.box{outline:3px dashed var(--berry);outline-offset:-2px;color:var(--berry);background:var(--berry-tint)}
@keyframes nm-jos{from{transform:scaleY(0)}to{transform:scaleY(1)}}
@keyframes nm-cade{0%{transform:translateY(-.6em);opacity:.2}100%{transform:none;opacity:1}}
@keyframes nm-pop{0%{transform:scale(.7)}70%{transform:scale(1.1)}100%{transform:none}}
@keyframes nm-shake{0%,100%{transform:none}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.nm-scut{animation:nm-shake .45s}

/* ---------- planșe ---------- */
.plate :is(.nm-anim,.nm-card,.gp,.rg,.es,.bd,.ck,.nl,.pb){background:var(--card);color:var(--ink);border-radius:12px;padding:12px 16px;font-weight:800}
.nm-anim,.nm-card,.nl{text-align:center}
.nm-top,.nl-top{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.nm-eq,.nl-eq{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(22px * var(--fs));color:var(--ink);margin:0}
.nm-eq b,.nm-eq-q{color:var(--leaf-deep)}
.nm-cnt,.nl-cnt{background:var(--sky-tint);color:var(--ink);border:2px solid var(--sky);border-radius:999px;padding:2px 12px;font-size:calc(14px * var(--fs));white-space:nowrap}
.nm-cnt b{color:var(--sky)}
.nm-faze{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin-bottom:10px}
.nm-f{display:inline-flex;align-items:center;gap:5px;border:2px solid var(--line);border-radius:999px;padding:2px 10px 2px 4px;font-size:calc(14px * var(--fs));color:var(--muted);transition:background .25s,color .25s,transform .25s}
.nm-f b{display:inline-flex;align-items:center;justify-content:center;width:1.5em;height:1.5em;border-radius:50%;background:var(--line);color:var(--ink);font-size:.9em}
.nm-f.on{background:var(--sun);border-color:var(--sun-edge);color:var(--on-sun);transform:scale(1.06)}
.nm-f.on b{background:var(--card);color:var(--ink)}
.nm-txt,.nl-txt{margin:8px 0 0;min-height:2.5em;display:flex;align-items:center;justify-content:center;font-size:calc(17px * var(--fs));color:var(--ink)}
.nm-txt.nou{animation:nm-pop .35s ease-out}
.nm-card .nm-eq{margin-bottom:8px}
.nm-sub{margin:8px 0 0;font-size:calc(17px * var(--fs))}
.nm-sub b{color:var(--berry)}

/* primul grup: cifrele, grupul colorat, căsuțele câtului */
.gp{display:grid;gap:12px}
.gp-x{border:2px solid var(--line);border-radius:12px;padding:10px 12px;text-align:center}
.gp-r{display:flex;align-items:center;justify-content:center;gap:10px;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(34px * var(--fs));line-height:1.1}
.gp-n{display:inline-flex}
.gp-n span{padding:0 .06em;border-bottom:4px solid transparent}
.gp-n span.mii{margin-right:.24em}
.gp-n span.g{background:var(--sun-tint);border-bottom-color:var(--sun-edge);color:var(--sun-ink)}
.gp-d{color:var(--berry)}
.gp-t{margin:6px 0 4px;font-size:calc(17px * var(--fs))}
.gp-t b{color:var(--sun-ink);background:var(--sun-tint);border-radius:8px;padding:0 6px}
.gp-cat,.gr-cat{margin:0;display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap;font-size:calc(16px * var(--fs));color:var(--muted)}
.gp-cat i,.gr-cat i{display:inline-block;width:1.1em;height:1.35em;border:2px dashed var(--leaf-deep);border-radius:6px;background:var(--leaf-tint)}
.gp-cat small{font-size:1em;color:var(--leaf-deep)}
.rg{text-align:center}
.rg-t{margin:0 0 8px;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(22px * var(--fs))}
.rg-f{margin:10px 0 0;font-size:calc(17px * var(--fs));line-height:1.45}
.rg-f b{display:inline-flex;align-items:center;justify-content:center;min-width:1.5em;border-radius:8px;background:var(--leaf-tint);color:var(--leaf-deep)}

/* estimarea */
.es{text-align:center}
.es-t{margin:0 0 10px;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(30px * var(--fs))}
.es-r{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin:8px 0;font-size:calc(20px * var(--fs))}
.es-r>span:not(.es-s){background:var(--sun-tint);border-radius:10px;padding:4px 12px}
.es-s{color:var(--muted)}
.es-b{color:var(--leaf-deep);font-size:1.2em}
.es-x{margin:12px 0 0;font-size:calc(16px * var(--fs));color:var(--muted)}
.es-x b{color:var(--ink)}

/* model-bandă */
.bd-svg{display:block;width:100%;height:auto;max-width:460px;margin:0 auto}
.bd-tx{font-family:"Nunito",system-ui,sans-serif;font-weight:800;font-size:15px;fill:var(--ink)}
.bd-q{font-family:"Baloo 2",system-ui,sans-serif;font-weight:800;font-size:24px;fill:var(--sky)}
.bd-c{fill:var(--sky)} .bd-r{fill:var(--berry)} .bd-m{fill:var(--muted)}

/* lista de verificare */
.ck-t{margin:0 0 8px;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(22px * var(--fs))}
.ck p:not(.ck-t){display:flex;align-items:center;gap:10px;margin:7px 0;font-size:calc(18px * var(--fs))}
.ck p span{display:inline-flex;align-items:center;justify-content:center;flex:0 0 1.7em;height:1.7em;border-radius:50%;background:var(--leaf-tint);color:var(--leaf-deep)}

/* planșa laboratorului „Pas cu pas” */
.nl-g{min-height:6em;display:flex;justify-content:center;align-items:flex-start}
.nl-cnt:empty{display:none}

/* planșa laboratorului „Proba”: operații în coloană */
.pb{text-align:center}
.pb-t{margin:0 0 12px;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(22px * var(--fs))}
.pb-r{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.pb-o{display:inline-grid;grid-template-columns:auto auto;column-gap:4px;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(28px * var(--fs));line-height:1.25;font-variant-numeric:tabular-nums;white-space:pre;transition:opacity .3s}
.pb-n{text-align:right}
.pb-s{color:var(--berry);text-align:left}
.pb-rz{border-top:3px solid var(--ink);color:var(--leaf-deep);padding-top:2px}
.pb-o.stins,.pb-cmp.stins{opacity:.35}
.pb-sag{color:var(--muted);font-size:calc(24px * var(--fs))}
.pb-cmp{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(22px * var(--fs));border-radius:10px;padding:2px 10px;background:var(--line)}
.pb-cmp.da{background:var(--leaf-tint);color:var(--leaf-deep);animation:nm-pop .35s ease-out}
.pb-cmp.nu{background:var(--berry-tint);color:var(--berry);animation:nm-pop .35s ease-out}
.pb-f{margin:12px 0 0;font-size:calc(15px * var(--fs));color:var(--muted)}

/* ---------- laborator: câte cifre are câtul ---------- */
.gr-top,.ps-top,.pr-top{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;font-weight:800;color:var(--muted);font-size:calc(14px * var(--fs))}
.gr-faza,.ps-pas,.pr-faza{color:var(--sky)}
.gr-ex{display:flex;align-items:center;justify-content:center;gap:12px;margin:10px 0 8px}
.gr-cif{display:inline-flex;gap:4px}
.gr .gr-c{display:inline-flex;align-items:center;justify-content:center;width:calc(48px * var(--fs));height:calc(62px * var(--fs));border:3px solid var(--stripe);border-radius:12px;background:var(--card);color:var(--ink);font-family:"Baloo 2",system-ui,sans-serif;font-weight:800;font-size:calc(34px * var(--fs));box-shadow:0 4px 0 var(--stripe);cursor:pointer;padding:0;transition:transform .15s,background .2s}
.gr .gr-c.mii{margin-right:calc(12px * var(--fs))}
.gr .gr-c:hover:not(:disabled){transform:translateY(-2px)}
.gr .gr-c.ales{background:var(--sun-tint);border-color:var(--sun-edge);color:var(--sun-ink)}
.gr .gr-c.cap{box-shadow:0 4px 0 var(--berry);border-color:var(--berry)}
.gr .gr-c:disabled{cursor:default}
.gr .gr-c.fix:not(.ales){opacity:.6}
.gr-d{font-family:"Baloo 2",system-ui,sans-serif;font-weight:800;font-size:calc(34px * var(--fs));color:var(--berry)}
.gr-cat{margin:4px 0 6px;color:var(--ink);font-weight:800}
.gr-cat b{color:var(--leaf-deep)}
.gr-cer,.ps-cer,.pr-cer{margin:8px 0;font-weight:800;font-size:calc(18px * var(--fs));color:var(--ink);text-align:center;min-height:1.4em}
.gr-cer:empty{display:none}
.gr-opt,.pr-opt{justify-content:center;gap:10px}
.gr-opt .chip,.pr-opt .chip{min-height:calc(48px * var(--fs));min-width:calc(110px * var(--fs));font-size:calc(19px * var(--fs));font-weight:800;border:3px solid var(--stripe);border-radius:14px;box-shadow:0 5px 0 var(--stripe)}
.gr-opt .chip.ales{background:var(--berry);border-color:var(--berry);color:var(--card);box-shadow:0 5px 0 var(--ink);transform:translateY(-3px)}
/* butoanele de jos: separate de plăcuțe */
.gr-act{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-top:10px;padding-top:10px;border-top:2px dashed var(--line)}
.gr-act .verif{margin-left:auto}
.gr-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* ---------- laborator: pas cu pas ---------- */
.ps-cer b{color:var(--berry);white-space:nowrap}
.ps-tiles{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;max-width:calc(360px * var(--fs));margin:6px auto 0}
.ps .ps-t{display:flex;align-items:center;justify-content:center;min-height:calc(52px * var(--fs));padding:0;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(26px * var(--fs));font-weight:800;color:var(--ink);border:3px solid var(--stripe);border-radius:14px;box-shadow:0 5px 0 var(--stripe);cursor:pointer}
.ps .ps-t:hover{transform:translateY(-2px)}
.ps-msg,.pr-msg{min-height:1.5em;margin:10px 0 0;text-align:center;font-weight:800;font-size:calc(16px * var(--fs))}
.ps-msg.bine,.pr-msg.bine{color:var(--leaf-deep)} .ps-msg.rau,.pr-msg.rau{color:var(--berry)}
.ps-act,.pr-act{justify-content:center;margin-top:10px}

/* ---------- laborator: proba ---------- */
.pr-imp{margin:8px 0 0;text-align:center;font-size:calc(17px * var(--fs));color:var(--muted);font-weight:800}
.pr-imp b{color:var(--ink);white-space:nowrap}
.pr-opt .pr-da{border-color:var(--leaf);box-shadow:0 5px 0 var(--leaf-deep)}
.pr-opt .pr-nu{border-color:var(--berry);box-shadow:0 5px 0 var(--berry)}

/* ---------- laborator: antrenament rapid ---------- */
.an-top{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--muted);font-size:calc(14px * var(--fs))}
.an-bar{flex:1;height:10px;background:var(--line);border-radius:99px;overflow:hidden}
.an-bar i{display:block;height:100%;background:var(--leaf);transition:width .4s}
.an-serie{transition:transform .2s}
.an-serie.aprinsa{color:var(--berry);animation:nm-pop .4s ease-out}
.an-q{font-size:calc(28px * var(--fs));font-weight:800;margin:14px 0;color:var(--ink);text-align:center;font-family:"Baloo 2",system-ui,sans-serif}
.an-q.lung{font-size:calc(22px * var(--fs))}
.an-var{justify-content:center}
.an-var .chip{font-size:calc(19px * var(--fs));min-width:6em;min-height:calc(48px * var(--fs));font-weight:800}
.an-msg{min-height:2.6em;margin:10px 0 0;text-align:center;font-weight:800}
.an-msg.bine{color:var(--leaf-deep)} .an-msg.rau{color:var(--berry)}
.an-final{text-align:center}
.an-scor{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(54px * var(--fs));color:var(--leaf-deep);animation:nm-pop .5s}

/* fără animații (accesibilitate) și mișcare redusă: nicio mișcare; ceasul din js/aplicatie.js arată împărțirea completă */
html.a-still :is(.nm-sag i,.nm-c,.nm-txt,.pb-cmp,.an-serie,.an-scor,.nm-scut){animation:none!important}
@media (prefers-reduced-motion: reduce){
  :is(.nm-sag i,.nm-c,.nm-txt,.pb-cmp,.an-serie,.an-scor,.nm-scut){animation:none!important}
}

/* Butonul „Verifică” din bara de jos este ascuns; verificarea se deschide din cuprins sau după ultima stație. */
.bottom #checkBtn{display:none!important}


/* ===== aliniere comună (lecțiile refăcute): fără suprapuneri de butoane și text ===== */
/* plasă de siguranță: dacă o stație e mai înaltă decât scena, se derulează în interior, nu intră sub bara de jos */
html:not(.flow) .view.on{overflow-y:auto;overflow-x:hidden;scrollbar-width:thin}
/* ordonare: toate cartonașele pe un rând, loc pentru bulina cu numărul, textul rămâne în cartonaș */
.task .order{grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);grid-template-columns:none;gap:10px;margin-top:16px}
.task .order .ocard{min-width:0;padding:10px 6px 8px;overflow-wrap:anywhere;hyphens:auto}
.task .order .oc-emoji{font-size:2.1em;line-height:1.1}
.task .order .ocard .lab{font-size:calc(14px * var(--fs));line-height:1.2}
.task .order .ocard .more{font-size:calc(12px * var(--fs));line-height:1.2;color:var(--muted)}
.task .order .ocard .badge{top:-14px;left:-8px}
html.flow .task .order{grid-auto-flow:row;grid-template-columns:repeat(2,minmax(0,1fr))}
/* perechi: bulina cu numărul stă pe același rând cu textul, deci butonul nu crește după rezolvare */
.perechi .chip{display:flex;align-items:center;gap:8px;min-width:0;overflow-wrap:anywhere}
.perechi .chip[data-p]::after{flex:0 0 22px}
/* rânduri de butoane: se rup pe rândul următor în loc să se calce */
.grp,.chips,.actions{flex-wrap:wrap;row-gap:10px}
.chip,.btn{max-width:100%}
.btn{white-space:normal}