/* aplicatie.css — stiluri proprii lecției „Adună și scade unități metrice mixte” (doar variabile de culoare). */

/* ---------- planșe desenate ---------- */
.plate .tp,.cl,.an{font-variant-numeric:tabular-nums}
.plate .tp{background:var(--card);color:var(--ink);border-radius:12px;padding:16px;font-weight:800;text-align:center}
.tp-not{margin:12px 0 0;font-size:calc(19px * var(--fs))}
.tp-not .k0{color:var(--sky)} .tp-not .k1{color:var(--berry)}
.tp-pasi{display:flex;flex-direction:column;gap:4px;font-size:calc(17px * var(--fs))}

/* copertă: rigla cu cele două bucăți puse cap la cap; un singur ceas (js/aplicatie.js) arată pașii */
.cov{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 12px!important}
.cv{display:block;width:100%;height:auto}
.cv-ax{stroke:var(--ink);stroke-width:3}
.cv-t{stroke:var(--ink);stroke-width:2.5} .cv-t2{stroke:var(--muted);stroke-width:1.5}
.cv text{font-family:"Baloo 2",system-ui,sans-serif;font-weight:800;text-anchor:middle}
.cv-n{fill:var(--muted);font-size:15px}
.cv-s1{fill:var(--sky-tint);stroke:var(--sky);stroke-width:3}
.cv-s2{fill:var(--berry-tint);stroke:var(--berry);stroke-width:3}
.cv-l{font-size:19px} .cv-k0{fill:var(--sky)} .cv-k1{fill:var(--berry)}
.cv-acc{fill:none;stroke:var(--leaf-deep);stroke-width:3}
.cv-tot{fill:var(--leaf-deep);font-size:22px}
.cv-p2,.cv-p3{opacity:0;transition:opacity .45s}
.cov-txt{text-align:center;min-width:0}
.cov-txt p{margin:0}
.cov-l1{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(27px * var(--fs));line-height:1.15}
.cov-plus{color:var(--berry);opacity:0;transition:opacity .45s}
.cov-l2{margin:6px 0!important;font-size:calc(18px * var(--fs));color:var(--muted);opacity:0;transition:opacity .45s}
.cov-l3{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(32px * var(--fs));line-height:1.1;opacity:0;transition:opacity .45s}
.cov-rez{color:var(--leaf-deep)}
.cov.f-a .cv-p2,.cov.f-a .cov-plus,.cov.f-b .cov-l2,.cov.f-c .cov-l3,.cov.f-c .cv-p3{opacity:1}
.cov.salt *{transition:none!important}
html.a-still .cov .cv-p2,html.a-still .cov .cv-p3,html.a-still .cov .cov-plus,html.a-still .cov .cov-l2,html.a-still .cov .cov-l3{opacity:1}

/* stația 1: cele patru unități mari */
.un{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.un-c{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border-radius:12px;padding:10px 6px;font-size:calc(20px * var(--fs))}
.un-c:nth-child(1){background:var(--sky-tint)} .un-c:nth-child(2){background:var(--leaf-tint)}
.un-c:nth-child(3){background:var(--sun-tint)} .un-c:nth-child(4){background:var(--berry-tint)}
.un-e{font-size:1.6em;line-height:1.1}
.un-c b{font-family:"Baloo 2",system-ui,sans-serif;font-size:1.35em;line-height:1.1}

/* tabelul în coloane: unitatea mare | unitatea mică, semnul la dreapta primului rând, rezultatul sub linie */
.tc{--c0:calc(70px * var(--fs));--c1:calc(84px * var(--fs));display:inline-grid;grid-template-columns:var(--c0) var(--c1) calc(36px * var(--fs));column-gap:6px;row-gap:3px;align-items:center;justify-items:stretch;
  font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(34px * var(--fs));line-height:1.15;color:var(--ink);font-variant-numeric:tabular-nums}
.tc.tc-g{--c1:calc(112px * var(--fs))}
.tc-h{font-size:.52em;font-weight:800;text-align:center;border-radius:8px;padding:1px 0}
.tc-h.tc-k0{background:var(--sky-tint);color:var(--sky)}
.tc-h.tc-k1{background:var(--sun-tint);color:var(--berry)}
.tc-n{font-size:.55em;min-height:1.35em;text-align:center;color:var(--leaf-deep);line-height:1.3}
.tc-c{position:relative;text-align:center;min-height:1.25em;border-radius:6px;white-space:nowrap}
.tc-c.tc-k0{background:var(--sky-tint)}
.tc-c.tc-k1{background:var(--sun-tint)}
.tc-op{text-align:center;font-weight:800;color:var(--berry)}
.tc-line{grid-column:1 / 3;height:4px;background:var(--ink);border-radius:2px;margin:2px 0}
.tc-r{font-weight:800;color:var(--leaf-deep)}
.tc .taie{text-decoration:line-through;text-decoration-thickness:3px;text-decoration-color:var(--berry);color:var(--muted)}
.tc-nou{color:var(--berry)}
.tc-was{position:absolute;right:3px;top:-3px;font-size:.48em;line-height:1;color:var(--berry);text-decoration-thickness:2px}
.tc-fly{display:inline-block;padding:0 6px;border-radius:8px;background:var(--leaf-tint);color:var(--leaf-deep)}
.tc-fly.fly-l{animation:flyL .9s ease-out both}
.tc-fly.fly-r{animation:flyR .9s ease-out both;background:var(--berry-tint);color:var(--berry)}
@keyframes flyL{from{transform:translateX(calc(var(--c1) + 6px)) scale(1.4);opacity:.25}to{transform:none;opacity:1}}
@keyframes flyR{from{transform:translateX(calc(-1 * var(--c0) - 6px)) scale(1.4);opacity:.25}to{transform:none;opacity:1}}
.tc.tc-mic{--c0:calc(46px * var(--fs));--c1:calc(76px * var(--fs));font-size:calc(24px * var(--fs))}

/* stațiile 3 și 5: pașii tabelului apar pe rând (data-f = 0…3, din același ceas ca rigla copertei) */
.tc-anim .ap1,.tc-anim .ap2,.tc-anim .ap3{opacity:0;transition:opacity .45s}
.tc-anim:is([data-f="1"],[data-f="2"],[data-f="3"]) .ap1{opacity:1}
.tc-anim:is([data-f="2"],[data-f="3"]) .ap2{opacity:1}
.tc-anim[data-f="3"] .ap3{opacity:1}
.tc-anim .tc-raw{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-decoration:none;color:var(--berry);transition:opacity .45s,transform .5s}
.tc-anim:is([data-f="2"],[data-f="3"]) .tc-raw{transform:translate(34%,-38%) scale(.48);text-decoration:line-through;text-decoration-thickness:4px}
.tc-anim .tc-plus1{display:inline-block;padding:0 6px;border-radius:8px;background:var(--leaf-tint)}
.tc-anim .ta1{transition:color .45s}
.tc-anim:is([data-f="1"],[data-f="2"],[data-f="3"]) .ta1{text-decoration:line-through;text-decoration-thickness:3px;text-decoration-color:var(--berry);color:var(--muted)}
html.a-still .tc-anim .ap1,html.a-still .tc-anim .ap2,html.a-still .tc-anim .ap3{opacity:1}

/* stația 4: rigla (1 m = 10 bucăți de 10 cm) */
.rg{display:block;width:100%;height:auto}
.rg-b0{fill:var(--sky-tint)} .rg-b1{fill:var(--leaf-tint)}
.rg-m{fill:none;stroke:var(--sky);stroke-width:3}
.rg-r{fill:var(--berry-tint);stroke:var(--berry);stroke-width:3}
.rg-t{stroke:var(--ink);stroke-width:2}
.rg text{font-family:"Baloo 2",system-ui,sans-serif;font-weight:800;text-anchor:middle}
.rg-n{fill:var(--muted);font-size:15px}
.rg-sus{fill:var(--sky);font-size:20px} .rg-sus.rg-k1{fill:var(--berry)}
.rg-acc{fill:none;stroke:var(--leaf-deep);stroke-width:3}
.rg-tot{fill:var(--leaf-deep);font-size:19px}

/* stația 6: cântarul cu talere */
.ct{display:block;width:100%;height:auto}
.ct-st{fill:var(--line)} .ct-br{stroke:var(--ink);stroke-width:5;stroke-linecap:round}
.ct-pv{fill:var(--sun);stroke:var(--ink);stroke-width:2}
.ct-fir{fill:none;stroke:var(--muted);stroke-width:2}
.ct-pan{fill:var(--sun-tint);stroke:var(--ink);stroke-width:2.5}
.ct-kg{fill:var(--sky);stroke:var(--ink);stroke-width:2}
.ct-g{fill:var(--berry);stroke:var(--ink);stroke-width:1.2}
.ct text{font-family:"Baloo 2",system-ui,sans-serif;font-weight:800;text-anchor:middle}
.ct-tk{fill:var(--card);font-size:15px}
.ct-tx{fill:var(--sky);font-size:19px} .ct-tx.ct-k1{fill:var(--berry)}

/* stația 10: vasul gradat */
.vs{display:block;width:100%;height:auto;max-height:calc(250px * var(--fs))}
.vs-cor{fill:none;stroke:var(--ink);stroke-width:4;stroke-linejoin:round}
.vs-ap{fill:var(--sky-tint);stroke:none}
.vs-pl{fill:var(--berry-tint);stroke:none}
.vs-t{stroke:var(--ink);stroke-width:2}
.vs text{font-family:"Baloo 2",system-ui,sans-serif;font-weight:800}
.vs-n{fill:var(--muted);font-size:14px;text-anchor:end}
.vs-sag{stroke:var(--berry);stroke-width:4;stroke-linecap:round}
.vs-vf{fill:none;stroke:var(--berry);stroke-width:4;stroke-linecap:round;stroke-linejoin:round}
.vs-et{fill:var(--berry);font-size:19px} .vs-et.vs-k2{fill:var(--sky)}

/* stațiile 7: două reguli, una lângă alta */
.lr{display:flex;gap:12px;align-items:stretch}
.lr-c{flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;background:var(--leaf-tint);border-radius:12px;padding:14px 8px}
.lr-c>b{font-size:calc(28px * var(--fs))}
.lr-f{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(22px * var(--fs));line-height:1.2}
.lr-c small{color:var(--muted);font-size:calc(15px * var(--fs))}

/* stația 8: drumul prin unitatea mică */
.dr{display:flex;flex-direction:column;gap:8px}
.dr-r{display:flex;align-items:center;justify-content:center;gap:12px;margin:0;padding:6px 10px;border-radius:12px;background:var(--sky-tint);font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(24px * var(--fs));line-height:1.2}
.dr-r .k0{color:var(--sky)} .dr-r i{font-style:normal;color:var(--muted)} .dr-r b{color:var(--ink)}
.dr-c{background:var(--sun-tint)} .dr-c b{color:var(--berry)}
.dr-f{background:var(--leaf-tint)} .dr-f b{color:var(--leaf-deep)}

/* stația 9: cele două drumuri */
.dd-pl{display:flex;gap:10px;align-items:stretch;justify-content:center}
.dd-pc{flex:1 1 0;display:flex;flex-direction:column;align-items:center;gap:4px;background:var(--leaf-tint);border-radius:12px;padding:10px 6px;min-width:0}
.dd-pc>b{font-size:calc(19px * var(--fs))} .dd-pc>small{color:var(--muted);font-size:calc(14px * var(--fs))}
.dd-pt{margin:6px 0 0;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(24px * var(--fs));line-height:1.25;text-align:right}
.dd-pt span{color:var(--leaf-deep)}
.dd-ok{color:var(--leaf-deep)}

/* stația 11: aceeași mărime, scrisă altfel */
.eg-r{display:flex;justify-content:center;align-items:center;gap:14px;margin:10px 0;padding:8px 14px;border-radius:12px;background:var(--sky-tint);font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(30px * var(--fs))}
.eg-r:last-child{background:var(--sun-tint)}
.eg-r b{color:var(--leaf-deep)}

/* stația 12: capcana */
.cp-r{display:flex;justify-content:center;align-items:center;gap:16px;margin:8px 0;padding:6px 14px;border-radius:12px;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(34px * var(--fs))}
.cp-nu{background:var(--berry-tint)} .cp-nu span{text-decoration:line-through;text-decoration-color:var(--berry);text-decoration-thickness:3px}
.cp-nu b{color:var(--berry)}
.cp-da{background:var(--leaf-tint)} .cp-da b{color:var(--leaf-deep)}
.cp-m{margin:10px 0 0;font-size:calc(18px * var(--fs));color:var(--muted)}

/* ---------- laboratoarele pas cu pas (coloana, împrumutul, două drumuri) ---------- */
.cl-top,.an-top{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--muted);font-size:calc(14px * var(--fs))}
.cl-top{justify-content:space-between;flex-wrap:wrap}
.cl-op{color:var(--sky)}
.cl-row{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;margin-top:4px}
.cl-col{flex:0 0 auto}
.cl-col:empty{display:none}
.cl-col .tc{--c0:calc(54px * var(--fs));--c1:calc(70px * var(--fs));font-size:calc(27px * var(--fs))}
.cl-col .tc.tc-g{--c1:calc(92px * var(--fs))}
.cl-side{flex:1 1 200px;min-width:0}
.cl-q{margin:0 0 8px;min-height:2.7em;font-weight:800;font-size:calc(16px * var(--fs));line-height:1.35;color:var(--ink)}
.cl-tiles{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cl-tiles.cl-lung{grid-template-columns:minmax(0,1fr)}
.cl .cl-tiles .chip.cl-t{display:flex;align-items:center;justify-content:center;min-height:calc(48px * var(--fs));margin:0;padding:4px 10px;font-size:calc(18px * 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;line-height:1.2}
.cl .cl-tiles .chip.cl-t:hover{transform:translateY(-2px)}
.cl .cl-tiles .chip.cl-t.ales{background:var(--berry);border-color:var(--berry);color:var(--card);box-shadow:0 5px 0 var(--ink);transform:translateY(-3px)}
.cl .cl-tiles .chip.cl-t.rau{animation:shake .45s}
.cl-act{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-top:10px;padding-top:8px;border-top:2px dashed var(--line)}
.cl-act .verif{margin-left:auto}
.cl-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.cl-made{display:flex;gap:6px;flex-wrap:wrap}
.cl-gata{background:var(--leaf-tint);color:var(--leaf-deep);border:2px solid var(--leaf);border-radius:999px;padding:2px 10px;font-weight:800;font-size:calc(14px * var(--fs));animation:pop .35s ease-out}

/* împrumutul: greutățile (unități mari, unitatea desfăcută, partea mică) */
.im-bl{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px;margin:6px 0 2px;min-height:calc(40px * var(--fs))}
.im-b{display:flex;align-items:center;justify-content:center;min-height:calc(34px * var(--fs));padding:0 8px;border-radius:9px;font-weight:800;font-size:calc(15px * var(--fs));white-space:nowrap;border:2px solid var(--ink)}
.im-M{background:var(--sky-tint);color:var(--ink)}
.im-d{background:var(--berry-tint);color:var(--berry);border-color:var(--berry)}
.im-d.nou{animation:desf .8s ease-out both}
.im-m{background:var(--sun-tint);color:var(--ink)}
.im-m.gol{border-style:dashed;color:var(--muted)}
.im-pl{font-weight:900;color:var(--muted)}
.im-eg{font-weight:800;color:var(--muted);font-size:calc(15px * var(--fs))} .im-eg b{color:var(--berry)}
.im .cl-col .tc{font-size:calc(24px * var(--fs));row-gap:2px}
.im .im-bl{margin:2px 0 0;min-height:0}
.im .im-b{min-height:calc(30px * var(--fs))}
.im .cl-q{min-height:2.6em}
@keyframes desf{0%{transform:scale(.4) rotate(-8deg);opacity:.2}60%{transform:scale(1.18)}100%{transform:none;opacity:1}}

/* două drumuri: cele două carduri, cu semnul „=” între ele când rezultatele se potrivesc */
.dd-pb{margin:4px 0 6px;font-weight:800;font-size:calc(15px * var(--fs));line-height:1.35;color:var(--ink)}
.dd-row{display:flex;align-items:stretch;gap:8px}
.dd-c{flex:1 1 0;min-width:0;border:3px solid var(--line);border-radius:12px;padding:6px 8px;background:var(--card)}
.dd-c>b{display:block;font-size:calc(13px * var(--fs));color:var(--muted)}
.dd-c.activ{border-color:var(--sky);background:var(--sky-tint)}
.dd-l p{margin:2px 0;font-weight:800;font-size:calc(15px * var(--fs));line-height:1.3;color:var(--ink)}
.dd-l b{color:var(--leaf-deep)}
.dd-gol{color:var(--muted)!important}
.dd-eq{align-self:center;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(30px * var(--fs));font-weight:800;color:var(--muted)}
.dd-row.egal .dd-eq{color:var(--leaf-deep);animation:pop .5s ease-out}
.dd-row.egal .dd-c{border-color:var(--leaf)}
.dd .cl-q{min-height:0;margin-top:8px}
.dd .cl-row{margin-top:0}

/* ---------- laborator: antrenament rapid ---------- */
.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:pop .4s ease-out}
.an-q{font-size:calc(28px * var(--fs));font-weight:800;margin:14px 0;color:var(--ink);text-align:center;line-height:1.3}
.an-q.lung{font-size:calc(19px * var(--fs))}
.an-var{justify-content:center}
.an-var .chip{font-size:calc(19px * var(--fs));min-width:6em}
.an-msg{min-height:2.6em;margin:8px 0 0;text-align:center;font-weight:800;font-size:calc(15px * var(--fs))}
.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) și „fără animații”: animațiile se opresc; coperta și stațiile 3 și 5 rămân pe starea completă */
@media (prefers-reduced-motion: reduce){
  .tc-fly,.cl-gata,.an-scor,.an-serie,.cl-t,.im-d.nou,.dd-eq{animation:none!important}
  .tc-anim *,.cov *{transition:none!important}
  .cov .cv-p2,.cov .cv-p3,.cov .cov-plus,.cov .cov-l2,.cov .cov-l3,.tc-anim .ap1,.tc-anim .ap2,.tc-anim .ap3{opacity:1}
}
html.a-still .tc-fly,html.a-still .im-d.nou,html.a-still .dd-eq{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}