/* aplicatie.css — stiluri proprii lecției „Adună fracții cu modele-bandă” (doar variabile de culoare). */

/* ---------- fracția stivuită: 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.mare{font-size:calc(52px * var(--fs));font-family:var(--f-display)}
.fr.ca>b,.t-a{color:var(--sun-ink)}
.fr.cb>b,.t-b{color:var(--sky)}
.fr.cs>b{color:var(--leaf-deep)}
/* 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:1.25em}
.task .chips .chip{min-width:3.2em;justify-content:center}
.task h3 .fr,.big .fr,.key .fr,.fact .fr,.say .fr{font-size:.8em}

/* ---------- benzile (SVG) ---------- */
.fb-svg{display:block;width:100%;height:calc(46px * var(--fs));overflow:visible}
.fb-svg rect{stroke:var(--ink);stroke-width:2.5px;fill:var(--card)}
.fb-svg .fb-a{fill:var(--sun)}
.fb-svg .fb-b{fill:var(--sky)}
.fb-svg .fb-c{fill:var(--leaf)}
.fb-svg .fb-x{fill:var(--berry)}
.fb-svg .fb-q{fill:var(--sky-tint);stroke-dasharray:6 4}
.fb-pata{display:inline-block;width:1.1em;height:1.1em;border:2px solid var(--ink);border-radius:4px;vertical-align:-.2em;margin-right:6px}
.fb-pata.fb-a{background:var(--sun)} .fb-pata.fb-b{background:var(--sky)} .fb-pata.fb-c{background:var(--leaf)}

/* planșele */
.plate .fb-plansa,.plate .fb-zid,.plate .fb-randuri,.plate .fb-anim{background:var(--card);color:var(--ink);border-radius:12px;padding:16px;font-weight:800}
.fb-expl{display:flex;align-items:center;justify-content:center;gap:18px;margin-top:14px}
.fb-note{display:flex;flex-direction:column;gap:6px;font-size:calc(16px * var(--fs))}
.fb-note b{font-size:1.2em}
.fb-leg{display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:center;margin-top:12px;font-size:calc(16px * var(--fs))}
.fb-ec{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:6px;font-size:calc(26px * var(--fs));margin-bottom:12px;min-height:calc(64px * var(--fs))}
.fb-reg{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:12px;font-size:calc(15px * var(--fs))}
.fb-reg span{background:var(--sun-tint);border-radius:10px;padding:4px 10px}
/* rânduri: eticheta la stânga, banda la dreapta, pe aceeași linie */
.fb-zid,.fb-randuri{display:grid;grid-template-columns:auto 1fr;gap:10px 12px;align-items:center}
.fb-zid .fb-svg{height:calc(34px * var(--fs))}
.fb-et{font-size:calc(20px * var(--fs));text-align:center;min-width:2.6em}
.fb-et.rau{color:var(--berry)}
.fb-obs{grid-column:1/-1;margin:4px 0 0;text-align:center;font-size:calc(16px * var(--fs));color:var(--ink)}
.fb-intregi{display:flex;flex-direction:column;gap:10px}
.fb-rand{display:grid;grid-template-columns:1fr 5.6em;gap:10px;align-items:center}
.fb-rand .fb-et{font-size:calc(14px * var(--fs));color:var(--muted);text-align:left;min-width:0}
.fb-rand.gol{visibility:hidden}
/* animația (un singur ceas în js/aplicatie.js) */
.fb-anim .asc{visibility:hidden}
.fb-suma.nou{animation:fb-pop .45s ease-out}
.fb-rand.adaug .fb-b{animation:fb-apare .5s ease-out both}
@keyframes fb-pop{0%{transform:scale(.6);opacity:0}70%{transform:scale(1.1)}100%{transform:none;opacity:1}}
@keyframes fb-apare{from{opacity:0}to{opacity:1}}

/* ---------- laborator: colorează banda ---------- */
.cb-top{display:flex;justify-content:space-between;align-items:center;gap:8px 14px;flex-wrap:wrap;font-weight:800;color:var(--muted);font-size:calc(14px * var(--fs))}
.cb-leg{display:flex;gap:12px;flex-wrap:wrap;color:var(--ink)}
.cb-ec{display:flex;align-items:center;justify-content:space-between;gap:8px 12px;flex-wrap:wrap;margin:8px 0;font-size:calc(21px * var(--fs));font-weight:800;color:var(--ink)}
.cb-cer{background:var(--sun-tint);border-radius:12px;padding:4px 14px;display:inline-flex;align-items:center;gap:6px}
.cb-live{display:inline-flex;align-items:center;gap:5px;flex-wrap:wrap;font-size:calc(18px * var(--fs))}
.cb-rez{display:inline-flex;align-items:center;gap:6px;color:var(--leaf-deep)}
.cb-benzi{display:flex;flex-direction:column;gap:10px;margin:6px 0}
.cb-rand{display:grid;grid-template-columns:repeat(var(--n),minmax(0,1fr)) 6.4em;gap:4px;align-items:center}
.cb-seg{height:calc(42px * var(--fs));min-width:0;padding:0;border:3px solid var(--ink);border-radius:6px;background:var(--card);cursor:pointer;transition:background .15s}
.cb-seg:hover:not(:disabled){background:var(--sky-tint)}
.cb-seg.fb-a{background:var(--sun);cursor:default}
.cb-seg.fb-b,.cb-seg.fb-b:hover{background:var(--sky)}
.cb-seg:disabled{opacity:1}
.cb-seg.pop{animation:fb-pop .3s ease-out}
.cb-int{font-size:calc(13px * var(--fs));font-weight:800;color:var(--muted);padding-left:6px}
.cb-gata{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.cb-ok{display:inline-flex;align-items:center;gap:3px;background:var(--leaf-tint);color:var(--leaf-deep);border:2px solid var(--leaf);border-radius:999px;padding:1px 10px;font-weight:800;font-size:calc(13px * var(--fs));animation:fb-pop .35s ease-out}
/* butonul „Verifică” de la bifare stă separat de opțiuni */
.ex-zona .chips + .grp{margin-top:14px;padding-top:10px;border-top:2px dashed var(--line);justify-content:flex-end}
.cb-act{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-top:8px;padding-top:8px;border-top:2px dashed var(--line)}
.cb-act .verif{margin-left:auto}
.cb-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* ---------- laborator: fracția lipsă ---------- */
.tl-ec{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin:8px 0;font-size:calc(28px * var(--fs));font-weight:800;color:var(--ink)}
.tl-op{color:var(--muted)}
.tl-ctrl{display:inline-flex;align-items:center;gap:8px;background:var(--sky-tint);border:3px solid var(--sky);border-radius:14px;padding:4px 8px}
.tl-ctrl .btn{min-width:calc(48px * var(--fs));min-height:calc(48px * var(--fs));padding:0 10px;font-size:calc(26px * var(--fs));line-height:1}
.tl-ctrl .btn:disabled{opacity:.4;box-shadow:none}
.tl-x{font-size:calc(30px * var(--fs));min-width:1.6em}
.tl-benzi{display:flex;flex-direction:column;gap:8px;margin:4px 0}
.tl-benzi .fb-svg{height:calc(38px * var(--fs))}
.tl-rand{display:grid;grid-template-columns:5.4em 1fr;gap:10px;align-items:center}
.tl-et{font-weight:800;color:var(--muted);font-size:calc(14px * var(--fs))}
.tl-live{display:inline-flex;align-items:center;gap:6px;font-weight:800;color:var(--ink);font-size:calc(18px * var(--fs))}

/* ---------- 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:fb-pop .4s ease-out}
.an-cer{margin:8px 0 0;text-align:center;font-weight:800;color:var(--muted);font-size:calc(15px * var(--fs))}
.an-q{display:flex;align-items:center;justify-content:center;gap:8px;font-size:calc(28px * var(--fs));font-weight:800;margin:4px 0 10px;color:var(--ink);text-align:center}
.an-q .gol{display:inline-flex;align-items:center;gap:4px;min-width:2em;border-bottom:3px dashed var(--leaf);color:var(--muted)}
.an-q .gol.plin{border-bottom-style:solid;color:var(--leaf-deep);font-size:.8em}
.an-var{justify-content:center}
.an-var .chip{font-size:calc(18px * var(--fs));min-width:5em;display:inline-flex;align-items:center;justify-content:center;gap:4px}
.an-viz{min-height:calc(46px * var(--fs));margin-top:10px}
.an-benzi{display:flex;gap:8px}
.an-benzi .fb-svg{height:calc(36px * var(--fs))}
.an-viz>.fb-svg{height:calc(36px * var(--fs))}
.an-msg{min-height:1.5em;margin:8px 0 0;text-align:center;font-weight:800;line-height:1.9}
.an-msg.bine{color:var(--leaf-deep)} .an-msg.rau{color:var(--berry)}
.an-final{text-align:center}
.an-scor{font-family:var(--f-display);font-size:calc(54px * var(--fs));color:var(--leaf-deep);animation:fb-pop .5s}

/* mișcare redusă (sistem): animațiile decorative se opresc; benzile animate sunt oprite din js/aplicatie.js */
@media (prefers-reduced-motion: reduce){
  .fb-suma,.fb-rand .fb-b,.cb-seg,.cb-ok,.an-serie,.an-scor{animation:none!important}
}
html.a-still .fb-suma,html.a-still .fb-rand .fb-b,html.a-still .cb-seg,html.a-still .cb-ok{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}