/* aplicatie.css — stiluri proprii lecției „Probleme cu fracții dintr-un întreg” (doar variabile de culoare). */

/* ---------- fracția stivuită: numărătorul deasupra liniei ---------- */
.fr{display:inline-flex;flex-direction:column;align-items:center;vertical-align:middle;line-height:1.02;font-weight:800;margin:0 .08em;font-size:.92em}
.fr>b{font-weight:inherit;padding:0 .14em}
.fr>i{font-style:normal;border-top:.11em solid currentColor;padding:.04em .14em 0;align-self:stretch;text-align:center}
.fr .fr-l{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;text-decoration:none}
.fr.ca>b,.t-a{color:var(--sky)}
.fr.cb>b,.t-b{color:var(--berry)}
.fr.cs>b,.t-s{color:var(--leaf-deep)}
.chip .fr,.pool-item .fr,.af-rand .fr,.ocard .fr{font-size:1em}
.ans .fr{font-size:1.15em}
.task h3 .fr,.big .fr,.key .fr,.fact .fr,.say .fr,.q .fr,.lead .fr,.cap .fr{font-size:.82em}
.task .chips .chip{min-width:3.2em;justify-content:center}
/* butonul „Verifică” al exercițiilor cu bifare: separat de opțiuni */
.task .ex-zona > .grp{justify-content:flex-end;margin-top:4px;padding-top:8px;border-top:2px dashed var(--line)}

/* ---------- planșe desenate ---------- */
.plate .pz-anim,.plate .intregi,.plate .inegale,.plate .impreuna,.plate .compara,.plate .gradina,.plate .lungime{
  background:var(--card);color:var(--ink);border-radius:12px;padding:14px;font-weight:800;text-align:center}
.im-ec{margin:10px 0 0;font-size:calc(24px * var(--fs));display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}
.im-leg{margin:6px 0 0;display:flex;gap:16px;justify-content:center;font-size:calc(15px * var(--fs))}

/* pizza (SVG) */
.pz-svg{display:block;width:100%;max-width:210px;margin:0 auto;overflow:visible}
.pz-svg.mic{max-width:110px}
.pz-plat{fill:var(--paper);stroke:var(--line);stroke-width:2}
.pz-g{fill:none;stroke:var(--muted);stroke-width:1.5;stroke-dasharray:5 4;opacity:.75}
.pz-g.g-a{fill:var(--sky-tint)} .pz-g.g-b{fill:var(--berry-tint)}
.pz-f{fill:var(--sun);stroke:var(--sun-edge);stroke-width:1.5}
.pz-c{fill:none;stroke:var(--sun-edge);stroke-width:7;stroke-linecap:round}
.pz-pep{fill:var(--berry);opacity:.8}
.pz-s{transition:transform .6s ease,opacity .6s ease}
.pz-s.ea,.pz-s.eb{transform:translate(var(--dx),var(--dy));opacity:0;pointer-events:none}
.pz-s.a .pz-f{fill:var(--sky)} .pz-s.b .pz-f{fill:var(--berry)}
.pz-s.a .pz-pep,.pz-s.b .pz-pep{fill:var(--card);opacity:.35}
.pz-lit{font:900 24px/1 "Baloo 2",system-ui,sans-serif;fill:var(--card);text-anchor:middle;dominant-baseline:central;pointer-events:none}
.pz-cut{stroke:var(--ink);stroke-width:2.5;stroke-linecap:round;stroke-dasharray:100;stroke-dashoffset:100;transition:stroke-dashoffset .45s ease}
.pz-cut.on{stroke-dashoffset:0}
.pz-s[role=button]{cursor:pointer}
.pz-s[role=button]:hover .pz-f{stroke:var(--ink);stroke-width:3}
.pz-s[role=button]:focus{outline:none}
.pz-s[role=button]:focus-visible .pz-f{stroke:var(--ink);stroke-width:5}

/* copertă, stațiile 1 și 6: un singur ceas taie pizza și „mănâncă” feliile */
.pz-anim .pz-f{stroke:none}
.pz-anim .pz-svg{max-width:220px}
.pz-text{margin:12px 0 0;min-height:2.6em;display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap;font-size:calc(19px * var(--fs))}
.pz-text.nou{animation:fi-pop .35s ease-out}
.pz-anim.static .pz-s,.pz-anim.static .pz-cut{transition:none}

/* stația 2: întregii */
.intregi{display:grid;gap:10px}
.in-r{display:grid;grid-template-columns:110px 110px;align-items:center;justify-content:center;column-gap:24px}
.in-v{width:96px;display:flex;justify-content:center}
.in-v .pz-svg{max-width:78px}
.in-v .ci-svg{width:90px}
.in-pg{display:flex;height:26px;width:96px}
.in-pg i{flex:1;background:var(--berry);border:2px solid var(--card);border-radius:4px}
.in-eg{font-size:calc(24px * var(--fs));display:flex;align-items:center;gap:6px}

/* stația 3: egale / inegale */
.inegale{display:flex;gap:14px;justify-content:center;align-items:flex-start}
.ie-c{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px}
.ie-c .pz-svg{max-width:120px}
.ie-c b{font-size:calc(15px * var(--fs));border-radius:999px;padding:3px 10px}
.ie-da b{background:var(--leaf-tint);color:var(--leaf-deep)}
.ie-nu b{background:var(--berry-tint);color:var(--berry)}

/* ciocolata (SVG) */
.ci-svg{display:block;width:100%;max-width:200px;margin:0 auto}
.ci-fond{fill:var(--ink);opacity:.85}
.ci-r{fill:var(--sun-ink);stroke:var(--card);stroke-opacity:.35;stroke-width:1.5}
.ci-r.ci-a{fill:var(--sky)} .ci-r.ci-b{fill:var(--berry)}

/* stația 9: grădina */
.gr-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;max-width:260px;margin:0 auto}
.gr-grid span{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:8px;font-size:calc(22px * var(--fs))}
.gr-grid .plin{background:var(--leaf-tint);border:2px solid var(--leaf)}
.gr-grid .gol{border:2px dashed var(--berry);color:var(--berry);background:var(--berry-tint);animation:fi-puls 1.6s ease-in-out infinite}

/* stația 10: panglica cu riglă (totul în procente, deci gradațiile stau exact sub tăieturi) */
.pg{position:relative;padding:4px 14px 0;text-align:left}
.pg-banda{display:flex;height:calc(40px * var(--fs));border-radius:6px;overflow:hidden;border:2px solid var(--berry)}
.pg-p{flex:1;display:flex;align-items:center;justify-content:center;background:var(--berry-tint);color:var(--berry);border-right:2px dashed var(--berry);font-size:calc(14px * var(--fs))}
.pg-p:last-child{border-right:0}
.pg-p.on{background:var(--berry);color:var(--card)}
.pg-rigla{position:relative;height:14px;border-top:2px solid var(--ink);margin-top:6px}
.pg-rigla i{position:absolute;top:0;width:2px;height:6px;background:var(--ink);transform:translateX(-1px)}
.pg-rigla i.mare{height:13px}
.pg-et{position:relative;height:1.4em;font-size:calc(15px * var(--fs))}
.pg-et span{position:absolute;top:0;transform:translateX(-50%)}
.pg-u{text-align:right;font-size:calc(13px * var(--fs));color:var(--muted)}
.lungime .im-ec{font-size:calc(19px * var(--fs))}

/* ---------- laboratoare: părți comune ---------- */
/* stațiile-laborator: zona de lucru primește mai mult loc, planșa rămâne mică */
html:not(.flow) #v-s4 .lesson,html:not(.flow) #v-s7 .lesson,html:not(.flow) #v-s12 .lesson{grid-template-columns:minmax(0,1.55fr) minmax(0,.45fr)}
html:not(.flow) #v-s11 .lesson{grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr)}
.lb-top{display:flex;justify-content:space-between;align-items:center;gap:8px;font-weight:800;color:var(--muted);font-size:calc(14px * var(--fs))}
.lb-gata{color:var(--leaf-deep);letter-spacing:2px}
.lb-info{font-weight:800;color:var(--muted);font-size:calc(14px * var(--fs))}
.lb-main{display:flex;gap:18px;align-items:center}
.lb-ctrl{flex:1;display:flex;flex-direction:column;gap:6px;min-width:0}
.lb-et{margin:0;font-weight:800;color:var(--ink);font-size:calc(16px * var(--fs));line-height:1.3}
.lb-et.tp-p3{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.lb-et b{color:var(--sky)}
.lb-et.inactiv{opacity:.45}
.lb-ch{display:flex;gap:10px;flex-wrap:wrap}
/* plăcuțe mari, cu starea „ales” clară */
.lb .lb-ch .chip.lb-t{min-height:calc(46px * var(--fs));padding:4px 14px;font-size:calc(17px * var(--fs));font-weight:800;color:var(--ink);border:3px solid var(--stripe);border-radius:14px;box-shadow:0 4px 0 var(--stripe);display:inline-flex;align-items:center;gap:8px;cursor:pointer}
.lb .lb-ch .chip.lb-t:hover:not(:disabled){transform:translateY(-2px)}
.lb .lb-ch .chip.lb-t.ales{background:var(--ink);border-color:var(--ink);color:var(--card);box-shadow:0 4px 0 var(--muted);transform:translateY(-2px)}
.lb .lb-ch .chip.lb-t:disabled{opacity:.45;cursor:default;transform:none}
.lb .lb-ch .chip.tp-c.ca{border-color:var(--sky);box-shadow:0 4px 0 var(--sky)}
.lb .lb-ch .chip.tp-c.cb{border-color:var(--berry);box-shadow:0 4px 0 var(--berry)}
.lb .lb-ch .chip.tp-c.ca.ales{background:var(--sky);color:var(--card)}
.lb .lb-ch .chip.tp-c.cb.ales{background:var(--berry);color:var(--card)}
.lb .lb-ch .chip.tp-c.ales .fr>b{color:inherit}
.tp-c small{font-size:calc(12px * var(--fs));font-weight:800;opacity:.85;border-left:2px solid currentColor;padding-left:8px}
.lb-msg{margin:2px 0 0;min-height:1.6em;font-weight:800;text-align:center;line-height:1.7}
.lb-msg.bine{color:var(--leaf-deep)} .lb-msg.rau{color:var(--berry)}
/* butoanele de jos: separate de plăcuțe */
.lb-act{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-top:6px;padding-top:8px;border-top:2px dashed var(--line)}
.lb-act .verif{margin-left:auto}
.lb-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* fracția de scris: două căsuțe, una deasupra liniei */
.fi-in{display:inline-flex;flex-direction:column;align-items:center;gap:3px;vertical-align:middle}
.fi-in input{width:calc(52px * var(--fs));height:calc(34px * var(--fs));box-sizing:border-box;text-align:center;font:800 calc(22px * var(--fs))/1 "Baloo 2",system-ui,sans-serif;color:var(--ink);background:var(--card);border:3px solid var(--sky);border-radius:10px;padding:0}
.fi-in input:focus{outline:3px solid var(--sun);outline-offset:1px}
.fi-in input:disabled{opacity:.6}
.fi-in i{display:block;width:calc(62px * var(--fs));height:4px;border-radius:2px;background:var(--ink)}

/* laborator 1: taie pizza */
.tp-pizza{flex:0 0 calc(200px * var(--fs));max-width:42%}
.tp-pizza .pz-svg{max-width:none}

/* laborator 2: tabla de ciocolată */
.ci-tabla-z{flex:0 0 auto;display:flex;flex-direction:column;align-items:center;gap:6px}
.ci-tabla{display:grid;grid-template-columns:repeat(var(--c),calc(44px * var(--fs)));gap:4px;padding:6px;border-radius:10px;background:var(--ink)}
.ci-p{width:calc(44px * var(--fs));height:calc(44px * var(--fs));padding:0;border:2px dashed transparent;border-radius:6px;background:transparent;cursor:pointer;position:relative}
.ci-b{position:absolute;inset:0;border-radius:5px;background:var(--sun-ink);box-shadow:inset 0 0 0 3px var(--sun),inset -4px -4px 0 var(--sun-edge);transition:transform .45s ease,opacity .45s ease}
.ci-p:hover .ci-b{transform:translateY(-2px)}
.ci-p:focus-visible{outline:3px solid var(--sun);outline-offset:1px}
.ci-p.rupt{border-color:var(--card);background:var(--paper)}
.ci-p.rupt .ci-b{transform:translate(10px,-24px) rotate(18deg);opacity:0}
.ci-nr{margin:0;font-weight:800;color:var(--muted);font-size:calc(14px * var(--fs))}
.ci-nr b{color:var(--ink)}
.ci-ctrl{flex-direction:row;justify-content:center;gap:26px;align-items:center}
.ci-fr{display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 14px;border-radius:14px;border:2px solid var(--line)}
.ci-m{background:var(--sky-tint)} .ci-r{background:var(--sun-tint)}
.ci-et{font-weight:800;color:var(--ink);font-size:calc(16px * var(--fs))}

/* ---------- laborator 3: 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.aprinsa{color:var(--berry);animation:fi-pop .4s ease-out}
.an-pb{display:flex;align-items:center;gap:16px;margin:8px 0}
.an-viz{flex:0 0 calc(160px * var(--fs));display:flex;justify-content:center}
.an-viz .ci-svg{max-width:130px}
.an-q{flex:1;font-size:calc(20px * var(--fs));font-weight:800;margin:0;color:var(--ink);line-height:1.45}
.an-doua{display:flex;gap:6px}
.an-doua .pz-svg.mic{max-width:78px}
.an-banda{display:flex;height:26px;width:100%;border:2px solid var(--berry);border-radius:5px;overflow:hidden}
.an-banda i{flex:1;background:var(--berry-tint);border-right:2px solid var(--berry)}
.an-banda i:last-child{border-right:0}
.an-banda i.on{background:var(--sky)}
.an-lung{width:100%}
.an-cap{display:flex;justify-content:space-between;font-size:calc(12px * var(--fs));font-weight:800;color:var(--muted);margin-top:3px}
.an-var{justify-content:center}
.an-var .chip{font-size:calc(19px * var(--fs));min-width:5em;min-height:calc(48px * var(--fs));justify-content:center}
.an-msg{min-height:1.6em;margin:8px 0 0;text-align:center;font-weight:800;line-height:1.7}
.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(50px * var(--fs));color:var(--leaf-deep);animation:fi-pop .5s}

@keyframes fi-pop{0%{transform:scale(.7)}70%{transform:scale(1.08)}100%{transform:none}}
@keyframes fi-puls{0%,100%{opacity:1}50%{opacity:.55}}

/* telefon: laboratoarele pe o singură coloană */
html.flow .lb-main,html.flow .an-pb{flex-direction:column}
html.flow .tp-pizza{max-width:70%;flex-basis:auto}
html.flow .ci-ctrl{flex-wrap:wrap}

/* fără animații (accesibilitate) sau mișcare redusă: stare statică completă */
html.a-still .pz-s,html.a-still .pz-cut,html.a-still .ci-b{transition:none!important}
html.a-still .gr-grid .gol,html.a-still .pz-text,html.a-still .an-scor,html.a-still .an-serie{animation:none!important}
@media (prefers-reduced-motion: reduce){
  .pz-s,.pz-cut,.ci-b{transition:none!important}
  .gr-grid .gol,.pz-text,.an-scor,.an-serie{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}