/* aplicatie.css — stiluri proprii lecției „Unități metrice mixte” (doar variabile de culoare). */

/* ---------- planșe desenate ---------- */
.plate .cov-tu,.plate .tu-flip,.plate .tu-zcard,.plate .tu-cmp,.plate .tu-add,.plate .tu-eq{
  background:var(--card);color:var(--ink);border-radius:12px;padding:16px;font-weight:800}

/* ---------- tabelul unităților: o cifră în fiecare căsuță ---------- */
.tu{display:grid;grid-template-columns:repeat(var(--n),minmax(0,1fr));gap:0;border:2px solid var(--line);border-radius:10px;overflow:visible;background:var(--card)}
.tu-c{position:relative;display:flex;align-items:center;justify-content:center;border-right:2px solid var(--line);min-width:0}
.tu-h{height:calc(30px * var(--fs));font-size:calc(14px * var(--fs));font-weight:800;color:var(--muted);border-bottom:2px solid var(--line)}
.tu-h.tu-mic{color:var(--sky)}
.tu-h.tu-mare{color:var(--sun-ink)}
.tu-d{height:calc(54px * var(--fs));font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(32px * var(--fs));color:var(--ink)}
.tu-d.pa{background:var(--sun-tint)}
.tu-d.pb{background:var(--sky-tint)}
.tu-in{opacity:.45}
.tu-d .dg{display:inline-block;transition:opacity .3s,transform .3s}
/* linia groasă: unde „se rupe” numărul mixt */
.tu-cut::after{content:"";position:absolute;top:-2px;bottom:-2px;right:-4px;width:6px;border-radius:3px;background:var(--berry);z-index:2;transition:opacity .35s}
.tu.lipit .tu-cut::after{opacity:.15}
.tu.fara-linie .tu-cut::after{opacity:0}
.tu-zero .dg{color:var(--berry);animation:zpuls 1.8s ease-in-out infinite}
.tu-zero{box-shadow:inset 0 0 0 3px var(--berry)}
@keyframes zpuls{0%,100%{transform:none}50%{transform:scale(1.25)}}

/* citirea de sub tabel: scrierea mixtă = scrierea simplă */
.tu-read{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;margin:14px 0 0;font-size:calc(24px * var(--fs));line-height:1.2}
.tu-read span{display:inline-flex;align-items:center;border-radius:12px;padding:4px 12px;transition:opacity .35s}
.tu-read .rd-a{background:var(--sun-tint);color:var(--ink)}
.tu-read .rd-b{background:var(--sky-tint);color:var(--ink)}
.tu-read .rd-eq{color:var(--muted);padding:0}

/* copertă: un exemplu odată; un singur ceas așază cifrele (js/aplicatie.js) */
.cov-tu{padding:18px 14px!important}
.cov-ex{display:none}
.cov-ex.on{display:block}
.cov-fam{margin:0 0 10px;text-align:center;color:var(--muted);font-size:calc(17px * var(--fs))}
.cov-tu.anim .dg{opacity:0;transform:translateY(-14px)}
.cov-tu.anim .dg.on{opacity:1;transform:none}
.cov-tu.anim .cov-ex:not(.f-a) .rd-a,.cov-tu.anim .cov-ex:not(.f-b) .rd-b,.cov-tu.anim .cov-ex:not(.f-b) .rd-eq{opacity:0}

/* planșe „flip”: același ceas comută între „cu linie” și „fără linie” */
.tu-flip .rd-b{opacity:.3}
.tu-flip.b .rd-a{opacity:.3}
.tu-flip.b .rd-b{opacity:1}
.tu-flip.b .tu-cut::after{opacity:.12}
.tu-flip .dg.z0{opacity:0;transform:scale(.4)}
.tu-flip.b .dg.z0{opacity:1;transform:none}
.tu-flip.static .rd-a,.tu-flip.static .rd-b,.tu-flip.static .dg.z0{opacity:1;transform:none}
.tu-flip.static .tu-cut::after{opacity:1}
.tu-unu .tu-d.pb{background:var(--sky-tint)}

/* stația 6: capcana zeroului */
.tu-nu{margin:8px 0 0;text-align:center;color:var(--muted);font-size:calc(18px * var(--fs))}
.tu-nu s{color:var(--berry)}

/* stația 8: comparare */
.tu-cmp p{display:flex;align-items:center;justify-content:center;gap:14px;margin:10px 0;font-size:calc(26px * var(--fs))}
.tu-cmp span{border-radius:12px;padding:4px 12px;min-width:5.2em;text-align:center}
.tu-cmp .cm-a{background:var(--sun-tint)}
.tu-cmp .cm-b{background:var(--sky-tint)}
.cm-s{display:inline-flex;align-items:center;justify-content:center;width:1.6em;height:1.6em;border-radius:50%;border:3px solid var(--line);color:var(--muted)}
.cm-s.ok{border-color:var(--leaf);color:var(--leaf-deep);background:var(--leaf-tint)}

/* stația 9: adunare în coloană (semnul la dreapta primului număr) */
.tu-add{display:flex;flex-direction:column;align-items:center}
.ad-r{display:grid;grid-template-columns:4.2em 5.2em 1.2em;align-items:center;font-size:calc(26px * var(--fs));line-height:1.35}
.ad-m,.ad-c{text-align:right;padding:0 6px}
.ad-m{color:var(--sun-ink)}
.ad-c{color:var(--sky)}
.ad-s{text-align:left;color:var(--berry);padding-left:6px}
.ad-l{border-bottom:3px solid var(--ink);margin-bottom:4px}
.ad-x{color:var(--berry)}
.ad-f{margin:10px 0 0;font-size:calc(18px * var(--fs));text-align:center;color:var(--muted)}
.ad-f b{background:var(--leaf-tint);color:var(--leaf-deep);border-radius:10px;padding:2px 10px}

/* stația 12: aceeași mărime */
.tu-eq{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:calc(26px * var(--fs))}
.tu-eq span{background:var(--sun-tint);border-radius:12px;padding:4px 14px}
.tu-eq b{color:var(--muted)}

/* ---------- laborator: rupe și lipește ---------- */
.rl-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))}
.rl-mod{color:var(--berry)}
.rl-q{margin:4px 0 10px;text-align:center;font-weight:800;font-size:calc(21px * var(--fs));color:var(--ink)}
.rl-tab{display:flex;align-items:stretch;background:var(--card);border:2px solid var(--line);border-radius:12px;padding:6px}
.rl-tab.scutura,.zr-tab.scutura{animation:shake .45s}
.rl-col{flex:1 1 0;min-width:0;display:flex;flex-direction:column;border-radius:8px;overflow:hidden}
.rl-h{display:flex;align-items:center;justify-content:center;height:calc(28px * var(--fs));font-weight:800;font-size:calc(14px * var(--fs));color:var(--muted)}
.rl-h.tu-mic{color:var(--sky)}
.rl-d{display:flex;align-items:center;justify-content:center;height:calc(50px * var(--fs));font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(30px * var(--fs));color:var(--ink);border-top:2px solid var(--line)}
.rl-col.pa .rl-d{background:var(--sun-tint)}
.rl-col.pb .rl-d{background:var(--sky-tint)}
.rl-col.tu-in{opacity:.45}
/* spațiul dintre căsuțe: un buton îngust; linia groasă apare când e ales */
.rl-seam,.rl-gap{flex:0 0 calc(22px * var(--fs));position:relative;border:0;background:transparent;padding:0;cursor:pointer;border-radius:6px}
.rl-gap{cursor:default}
.rl-seam::before,.rl-gap::before{content:"";position:absolute;left:50%;top:4px;bottom:4px;width:0;border-left:2px dashed var(--line);transform:translateX(-1px)}
.rl-seam:hover{background:var(--sky-tint)}
.rl-seam:hover::before{border-left-color:var(--sky)}
.rl-seam.on::before,.rl-gap.on::before{border-left:6px solid var(--berry);transform:translateX(-3px);top:0;bottom:0;border-radius:3px}
.rl-seam.pop::before{animation:pop .35s ease-out}
.rl-seam:focus-visible{outline:3px solid var(--sky)}
.rl-read{margin:10px 0 0;text-align:center;font-weight:800;font-size:calc(22px * var(--fs));color:var(--muted)}
.rl-read b{color:var(--ink);background:var(--leaf-tint);border-radius:10px;padding:2px 12px}
.rl-made{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;min-height:28px;margin-top:8px}
.rl-gata{background:var(--leaf-tint);color:var(--leaf-deep);border:2px solid var(--leaf);border-radius:999px;padding:2px 12px;font-weight:800;font-size:calc(14px * var(--fs));animation:pop .35s ease-out}
/* după rezolvare: enunțul și butoanele de lucru dispar, rămân tabelul, rezultatul și lista făcută */
.rl.gata .rl-q,.zr.gata .zr-q,.rl.gata .rl-lip,.zr.gata .zr-sterge,.rl.gata .verif,.zr.gata .verif{display:none}
.rl.gata .rl-act{justify-content:center}
/* butoanele de jos: separate de tabel, cu roluri diferite care se văd */
.rl-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)}
.rl-act .verif{margin-left:auto}
.rl-act .btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* ---------- laborator: zerourile lipsă ---------- */
.zr-tab{background:var(--card);border:2px solid var(--line);border-radius:12px;padding:6px}
.zr-grid{border:0}
.zr-loc{padding:5px}
.zr-cell{width:100%;height:100%;border:3px dashed var(--sky);border-radius:10px;background:var(--card);color:var(--berry);font:inherit;font-weight:800;cursor:pointer;display:flex;align-items:center;justify-content:center}
.zr-cell:hover{background:var(--sky-tint)}
.zr-cell.on{border-style:solid;border-color:var(--berry);background:var(--berry-tint)}
.zr-cell.pop{animation:pop .35s ease-out}
.zr-cell:disabled{cursor:default}

/* ---------- 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:pop .4s ease-out}
.an-cer{margin:10px 0 0;text-align:center;color:var(--muted);font-weight:800}
.an-q{font-size:calc(28px * var(--fs));font-weight:800;margin:8px 0 14px;color:var(--ink);text-align:center}
.an-var{justify-content:center;gap:10px}
.an-var .chip{font-size:calc(19px * var(--fs));min-width:6.5em;min-height:calc(50px * var(--fs));justify-content:center}
.an-semn .chip{min-width:3.4em;font-size:calc(26px * var(--fs))}
.an-msg{min-height:1.5em;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:pop .5s}

@keyframes pop{0%{transform:scale(.6)}70%{transform:scale(1.15)}100%{transform:none}}
@keyframes shake{0%,100%{transform:none}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}

/* mișcare redusă (sistem): animațiile decorative se opresc; tabelele animate sunt oprite din js/aplicatie.js */
@media (prefers-reduced-motion: reduce){
  .tu-zero .dg,.rl-seam.pop::before,.zr-cell.pop,.rl-gata,.an-scor,.an-serie,.rl-tab,.zr-tab{animation:none!important}
  .tu-d .dg,.tu-cut::after,.tu-read span{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}