/* aplicatie.css — stiluri proprii lecției „Compară fracții” (doar variabile de culoare). */

/* ---------- fracția etajată: numărătorul peste numitor ---------- */
.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,.fr.ca>i{color:var(--sun-ink)}
.fr.cb>b,.fr.cb>i{color:var(--sky)}
/* în butoane și pe rândurile de text, fracția rămâne compactă */
.chip .fr,.pool-item .fr,.af-rand .fr,.ocard .fr{font-size:1em}
.ans .fr{font-size:1.15em}
.task .chips .chip{min-width:3.2em;justify-content:center}
.task h3 .fr,.big .fr,.key .fr,.fact .fr,.say .fr,.hint .fr{font-size:.8em}

/* ---------- benzile mici (SVG): același întreg, aceeași lungime ---------- */
.cf-svg{display:block;width:100%;height:calc(26px * var(--fs));overflow:visible}
.cf-svg rect{stroke:var(--ink);stroke-width:2px;fill:var(--card)}
.cf-svg rect.cf-a{fill:var(--sun)}
.cf-svg rect.cf-b{fill:var(--sky)}
.cf-svg .cf-jum{stroke:var(--berry);stroke-width:3px;stroke-dasharray:4 3}
.cf-rand{display:grid;grid-template-columns:calc(46px * var(--fs)) minmax(0,1fr);align-items:center;gap:10px;margin:6px 0}
.cf-rand>.fr{font-size:calc(22px * var(--fs));justify-self:center}

/* planșele cu benzi */
.plate .cf-pl,.plate .cf-tab{background:var(--card);color:var(--ink);border-radius:12px;padding:14px 16px;font-weight:800}
.cf-ec{display:flex;align-items:center;justify-content:center;gap:10px;margin:12px 0 4px;font-size:calc(30px * var(--fs))}
.cf-s{font-family:var(--f-display);color:var(--berry);font-size:1.1em;line-height:1}
.cf-semne{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:10px;font-size:calc(15px * var(--fs))}
.cf-semne span{display:inline-flex;align-items:center;gap:6px;background:var(--sun-tint);border-radius:10px;padding:4px 10px}
.cf-semne b{font-family:var(--f-display);font-size:1.4em;line-height:1;color:var(--berry)}
.cf-jl{margin:0;padding-left:calc(46px * var(--fs) + 10px);text-align:center;font-size:calc(13px * var(--fs));color:var(--berry)}
.cf-jl span::before{content:"↑ "}

/* stația 9: tabelul drumurilor */
.cf-tab{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px;align-items:stretch}
.cf-tab>span{display:flex;align-items:center;gap:8px;border-radius:10px;padding:6px 10px;font-size:calc(16px * var(--fs))}
.cf-tab>span:nth-child(even){justify-content:center;font-size:calc(19px * var(--fs))}
.cf-tab b{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:1.6em;height:1.6em;border-radius:50%;background:var(--card);border:2px solid var(--line)}
.cf-tab .t0,.hd-e.e0.on{background:var(--sun-tint)}
.cf-tab .t1,.hd-e.e1.on{background:var(--sky-tint)}
.cf-tab .t2,.hd-e.e2.on{background:var(--berry-tint)}
.cf-tab .t3,.hd-e.e3.on{background:var(--leaf-tint)}

/* ---------- harta deciziei: drumul cu bifurcații ---------- */
.hd{position:relative;background:var(--card);color:var(--ink);border-radius:12px;padding:12px 10px;font-weight:800}
.hd-sem,.hd-drum,.hd-ram,.hd-ies{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));column-gap:8px}
/* indicatoarele (întrebările) */
.hd-q{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:calc(58px * var(--fs));padding:4px 4px;border:3px solid var(--line);border-radius:12px;text-align:center;line-height:1.15;font-size:calc(13px * var(--fs));transition:background .3s,transform .3s}
.hd-q>b{display:inline-flex;align-items:center;justify-content:center;width:1.6em;height:1.6em;border-radius:50%;background:var(--ink);color:var(--card);font-size:.9em}
.hd-q.q0{border-color:var(--sun)} .hd-q.q1{border-color:var(--sky)} .hd-q.q2{border-color:var(--berry)} .hd-q.q3{border-color:var(--leaf)}
.hd-q.on{background:var(--sun-tint);transform:translateY(-2px)}
.hd-q .fr{font-size:.95em}
/* drumul principal, cu o intersecție sub fiecare întrebare */
.hd-drum{position:relative;height:calc(56px * var(--fs));align-items:center}
.hd-drum::before{content:"";position:absolute;left:12.5%;right:4%;top:50%;height:16px;transform:translateY(-50%);border-radius:8px;
  background:repeating-linear-gradient(90deg,var(--muted) 0 14px,var(--card) 14px 22px) center/100% 2px no-repeat,var(--line)}
.hd-drum::after{content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);border:12px solid transparent;border-left:16px solid var(--line);border-right:0}
.hd-nod{position:relative;justify-self:center;width:20px;height:20px;border-radius:50%;background:var(--card);border:3px solid var(--ink);z-index:1}
.hd-nod.nu{border-color:var(--berry)}
.hd-nod.da{border-color:var(--leaf-deep);background:var(--leaf)}
.hd-mk{position:absolute;left:24px;top:-24px;white-space:nowrap;font-style:normal;font-size:calc(13px * var(--fs));color:var(--berry)}
/* ramurile „da” spre ieșiri */
.hd-ram{height:calc(46px * var(--fs))}
.hd-r{position:relative;justify-self:center;width:16px;height:100%;background:var(--line);transition:background .3s}
.hd-r::after{content:"da ↓";position:absolute;left:22px;top:50%;transform:translateY(-50%);white-space:nowrap;font-size:calc(13px * var(--fs));color:var(--leaf-deep)}
.hd-r.on{background:var(--leaf)}
/* ieșirile: ce compari */
.hd-e{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-height:calc(82px * var(--fs));padding:6px 4px;border:3px solid var(--line);border-radius:12px;text-align:center;line-height:1.15;font-size:calc(13px * var(--fs));transition:background .3s,box-shadow .3s}
.hd-e.e0{border-color:var(--sun)} .hd-e.e1{border-color:var(--sky)} .hd-e.e2{border-color:var(--berry)} .hd-e.e3{border-color:var(--leaf)}
.hd-e.on{box-shadow:0 0 0 3px var(--ink)}
.hd-e b .fr{font-size:.95em}
.hd-rez{font-style:normal;font-size:calc(15px * var(--fs));display:flex;align-items:center;gap:3px;visibility:hidden}
.hd-rez.vede,.hd.still .hd-rez{visibility:visible}
.hd-rez.vede{animation:cf-pop .35s ease-out}
/* modelele de confirmare, sub hartă */
.hd-conf{min-height:calc(74px * var(--fs));margin-top:6px}
.hd-conf .cf-mini{animation:cf-apare .35s ease-out}
.hd.still .hd-conf,.hd.still .hd-tok{display:none}
.hd.still .hd-e{min-height:calc(70px * var(--fs))}
/* perechea care călătorește */
.hd-tok{position:absolute;left:0;top:0;transform:translate(-50%,-50%);z-index:2;display:flex;align-items:center;gap:4px;padding:4px 8px;border-radius:12px;
  background:var(--card);border:3px solid var(--ink);box-shadow:0 4px 0 var(--line);font-size:calc(17px * var(--fs));transition:left .55s ease-in-out,top .55s ease-in-out}
.hd-tok.sari{transition:none}
.hd-ts{font-family:var(--f-display);color:var(--berry);min-width:.8em;text-align:center}

/* ---------- laboratoare: plăcuțe pentru semne, perechea, rândul de acțiuni ---------- */
.cf-mini{display:grid;gap:2px}
.cf-mini .cf-rand{margin:2px 0}
.cf-mini .cf-rand>.fr{font-size:calc(17px * var(--fs))}
.cf-mini .cf-svg{height:calc(18px * var(--fs))}
.cf-motiv{margin:0 0 4px;font-weight:800;color:var(--leaf-deep);font-size:calc(15px * var(--fs));line-height:1.35}
.cf-slot,.an-q .gol{display:inline-flex;align-items:center;justify-content:center;min-width:1.6em;height:1.4em;border:3px dashed var(--berry);border-radius:10px;
  color:var(--muted);font-family:var(--f-display);line-height:1;background:var(--card)}
.cf-slot.plin,.an-q .gol.plin{border-style:solid;color:var(--berry);background:var(--berry-tint);animation:cf-pop .3s ease-out}
.cf-slot.bun{border-color:var(--leaf);color:var(--leaf-deep);background:var(--leaf-tint)}
/* plăcuțele cu semne: mari, la fel, cu starea „ales” clară */
.cf-t{display:inline-flex;align-items:center;justify-content:center;min-width:calc(58px * var(--fs));height:calc(52px * var(--fs));padding:0 12px;
  font-family:var(--f-display);font-size:calc(30px * var(--fs));font-weight:800;line-height:1;color:var(--ink);background:var(--card);
  border:3px solid var(--muted);border-radius:14px;box-shadow:0 5px 0 var(--muted);cursor:pointer}
.cf-t:hover{transform:translateY(-2px)}
.cf-t.ales{background:var(--berry);border-color:var(--berry);color:var(--card);box-shadow:0 5px 0 var(--ink);transform:translateY(-3px)}
.cf-t:disabled{cursor:default;transform:none}
.cf-t:disabled:not(.ales){opacity:.45}
.cf-act{display:flex;gap:12px;justify-content:flex-end;align-items:center;flex-wrap:wrap;margin-top:8px;padding-top:8px;border-top:2px dashed var(--line)}
.cf-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.cf-act .verif[hidden]{display:none}

/* ---------- laborator: alege drumul ---------- */
.dr-rand{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.dr-step{font-weight:800;color:var(--muted);font-size:calc(14px * var(--fs))}
.dr-pair{display:flex;align-items:center;gap:10px;font-size:calc(26px * var(--fs));font-weight:800;margin-right:auto;margin-left:auto}
.dr-et{display:flex;align-items:center;gap:8px;margin:2px 0 4px;font-weight:800;font-size:calc(15px * var(--fs));color:var(--ink)}
.dr-et>b{display:inline-flex;align-items:center;justify-content:center;width:1.5em;height:1.5em;border-radius:50%;background:var(--ink);color:var(--card);font-size:.9em}
.dr-drumuri{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.dr-d{display:flex;align-items:center;gap:8px;min-height:calc(42px * var(--fs));padding:4px 10px;text-align:left;font:inherit;font-weight:800;font-size:calc(15px * var(--fs));line-height:1.15;
  color:var(--ink);background:var(--card);border:3px solid var(--line);border-radius:12px;box-shadow:0 4px 0 var(--line);cursor:pointer}
.dr-d>b{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:1.6em;height:1.6em;border-radius:50%;color:var(--ink)}
.dr-d.d0{border-color:var(--sun)} .dr-d.d0>b{background:var(--sun-tint)}
.dr-d.d1{border-color:var(--sky)} .dr-d.d1>b{background:var(--sky-tint)}
.dr-d.d2{border-color:var(--berry)} .dr-d.d2>b{background:var(--berry-tint)}
.dr-d.d3{border-color:var(--leaf)} .dr-d.d3>b{background:var(--leaf-tint)}
.dr-d .fr{font-size:.9em}
.dr-d:hover{transform:translateY(-2px)}
.dr-d.ales{background:var(--ink);color:var(--card);box-shadow:0 4px 0 var(--berry);transform:translateY(-2px)}
.dr-d:disabled{cursor:default;transform:none}
.dr-d:disabled:not(.ales){opacity:.45}
.dr-rand2{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:6px}
.dr-rand2 .cf-t{height:calc(48px * var(--fs))}
.dr-rand2 .dr-et{margin:0}
.dr-semne{display:flex;gap:10px;flex-wrap:wrap}
.dr-info:not(:empty){margin-top:8px}
.dr-alege[hidden]{display:none}
.dr-ales{display:flex;align-items:center;gap:8px;margin:0 0 6px;font-weight:800;font-size:calc(16px * var(--fs));color:var(--ink)}
.dr-ales>b{display:inline-flex;align-items:center;justify-content:center;width:1.6em;height:1.6em;border-radius:50%;background:var(--ink);color:var(--card)}
.dr-made{margin-right:auto;font-weight:800;color:var(--leaf-deep)}

/* ---------- laborator: balanța ---------- */
.bl-scena{position:relative;width:100%;max-width:calc(340px * var(--fs));margin:0 auto}
.bl-svg{display:block;width:100%;height:auto}
.bl-baza,.bl-stalp{fill:var(--muted)}
.bl-bara{fill:var(--ink)}
.bl-ax{fill:var(--sun);stroke:var(--ink);stroke-width:3}
.bl-fir{stroke:var(--muted);stroke-width:2.5;fill:none}
.bl-cupa{fill:var(--sun-tint);stroke:var(--ink);stroke-width:3}
.bl-brat{transform-box:view-box;transform-origin:200px 56px}
.bl-brat,.bl-taler{transition:transform .8s cubic-bezier(.3,1.4,.5,1)}
.bl-g{position:absolute;bottom:32.6%;transform:translateX(-50%);display:flex;align-items:center;justify-content:center;min-width:calc(52px * var(--fs));
  padding:4px 8px;border-radius:10px;background:var(--card);border:3px solid var(--line);font-size:calc(22px * var(--fs));transition:bottom .8s cubic-bezier(.3,1.4,.5,1)}
.bl-g.st{left:15%} .bl-g.dr{left:85%}
.bl-rand{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:6px}
.bl-step{font-weight:800;color:var(--muted);font-size:calc(14px * var(--fs))}
.bl-ec{display:flex;align-items:center;gap:10px;font-size:calc(26px * var(--fs));font-weight:800}
.bl-semne{display:flex;gap:8px}
.bl-info:not(:empty){margin-top:8px}

/* ---------- 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.aprinsa{color:var(--berry);animation:cf-pop .4s ease-out}
.an-cer{margin:10px 0 0;text-align:center;font-weight:800;color:var(--muted);font-size:calc(16px * var(--fs))}
.an-q{display:flex;align-items:center;justify-content:center;gap:12px;font-size:calc(30px * var(--fs));font-weight:800;margin:6px 0 10px;color:var(--ink)}
.an-sau{font-size:.55em;color:var(--muted)}
.an-var{justify-content:center}
.an-var .chip{font-size:calc(19px * var(--fs));min-width:4.4em;min-height:calc(52px * var(--fs));justify-content:center}
.an-var .chip.an-semn{font-family:var(--f-display);font-size:calc(28px * var(--fs))}
.an-msg{min-height:1.5em;margin:8px 0 0;text-align:center;font-weight:800;font-size:calc(15px * var(--fs))}
.an-msg p{margin:0 0 4px}
.an-msg.bine{color:var(--leaf-deep)} .an-msg.rau{color:var(--berry)}
.an-msg .cf-mini{text-align:left}
.an-final{text-align:center}
.an-scor{font-family:var(--f-display);font-size:calc(54px * var(--fs));color:var(--leaf-deep);animation:cf-pop .5s}

@keyframes cf-pop{0%{transform:scale(.6)}70%{transform:scale(1.15)}100%{transform:none}}
@keyframes cf-apare{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* telefon: harta și laboratoarele mai compacte */
html.flow .hd{padding:10px 6px}
html.flow .hd-sem,html.flow .hd-drum,html.flow .hd-ram,html.flow .hd-ies{column-gap:4px}
html.flow .hd-q,html.flow .hd-e{font-size:calc(11px * var(--fs));padding:4px 2px}
html.flow .hd-mk,html.flow .hd-r::after{font-size:calc(11px * var(--fs))}
html.flow .hd-mk{left:22px}
html.flow .hd-tok{font-size:calc(14px * var(--fs));padding:2px 5px}
html.flow .dr-drumuri{grid-template-columns:minmax(0,1fr)}

/* mișcare redusă (sistem): animațiile decorative se opresc; harta e oprită din js/aplicatie.js */
@media (prefers-reduced-motion: reduce){
  .hd-rez,.hd-conf .cf-mini,.cf-slot,.an-q .gol,.an-scor,.an-serie,.bl-brat,.bl-taler,.bl-g,.hd-tok{animation:none!important;transition: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}