/* aplicatie.css — stiluri proprii lecției „Două cifre × două cifre” (doar variabile de culoare).
   Prefixul „dc-” ține clasele separate de cele din edulogia.css. */

/* ---------- planșe desenate ---------- */
.plate .dc-flow,.plate .dc-split,.plate .dc-card,.plate .dc-rot{background:var(--card);color:var(--ink);border-radius:12px;padding:12px 14px;font-weight:800;text-align:center}
.dc-card{text-align:center}

/* culorile celor 4 zone: k0 = unități × unități, k1 = zeci × unități, k2 = unități × zeci, k3 = zeci × zeci */
.dc-k0t{color:var(--berry);fill:var(--berry)}
.dc-k1t{color:var(--leaf-deep);fill:var(--leaf-deep)}
.dc-k2t{color:var(--sun-ink);fill:var(--sun-ink)}
.dc-k3t{color:var(--sky);fill:var(--sky)}

/* ---------- dreptunghiul de arie (SVG) ---------- */
.dc-svg{display:block;width:100%;max-width:330px;height:auto;margin:0 auto;overflow:visible}
.dc-svg text{font-family:var(--f-display);font-weight:800;text-anchor:middle;fill:var(--ink)}
.dc-svg .dc-lb{font-size:20px}
.dc-svg .dc-ze{font-size:16px}
.dc-svg .dc-zv{font-size:20px}
.dc-svg .dc-whole-c{font-size:30px}
.dc-z rect{fill:var(--card);stroke:var(--line);stroke-width:2;transition:fill .35s}
.dc-out{fill:none;stroke:var(--ink);stroke-width:3}
.dc-cut{stroke:var(--ink);stroke-width:3;stroke-dasharray:7 5;transition:opacity .35s}
.dc-z text,.dc-lb,.dc-whole-c{transition:opacity .35s}
/* zonele colorate (starea completă) */
.dc-z0 rect{fill:var(--berry-tint)} .dc-z1 rect{fill:var(--leaf-tint)} .dc-z2 rect{fill:var(--sun-tint)} .dc-z3 rect{fill:var(--sky-tint)}
.dc-z0 text{fill:var(--berry)} .dc-z1 text{fill:var(--leaf-deep)} .dc-z2 text{fill:var(--sun-ink)} .dc-z3 text{fill:var(--sky)}
.dc-svg .dc-whole{opacity:0}
.dc-svg .dc-whole-c{opacity:0}

/* stația 1: dreptunghiul se taie pas cu pas (clasele v1…v4 vin de la ceas; fără ceas sunt toate puse) */
.dc-split:not(.v1) .dc-cv,.dc-split:not(.v2) .dc-ch{opacity:0}
.dc-split:not(.v1) .dc-wa,.dc-split:not(.v2) .dc-wb{opacity:1}
.dc-split:not(.v1) .dc-pa,.dc-split:not(.v2) .dc-pb{opacity:0}
.dc-split:not(.v3) .dc-z rect{fill:var(--card);stroke:none}
.dc-split:not(.v1) .dc-whole-c{opacity:1}
.dc-split:not(.v4) .dc-z text{opacity:0}
.dc-sp-txt{margin:8px 0 0;font-size:calc(17px * var(--fs));color:var(--ink);min-height:1.5em}

/* coperta și stația 4: zonele curg în coloană */
.dc-fl-in{display:flex;align-items:center;justify-content:center;gap:10px}
html.flow .dc-fl-in{flex-direction:column;gap:4px}
html.flow .dc-fl-arr{transform:rotate(90deg)}
html.flow .dc-fl-in .dc-svg{flex:none;width:100%}
.dc-fl-in .dc-svg{flex:1 1 300px;max-width:300px;min-width:0}
.dc-fl-arr{font-size:calc(26px * var(--fs));color:var(--muted)}
.dc-flow .dc-col{font-size:calc(27px * var(--fs))}
.dc-flow .dc-z rect{fill:var(--card)}
.dc-flow .dc-z text{opacity:.35}
.dc-flow .dc-z.dc-on rect,.dc-flow.static .dc-z rect{fill:var(--zf)}
.dc-flow .dc-z.dc-on text,.dc-flow.static .dc-z text{opacity:1}
.dc-flow .dc-z0{--zf:var(--berry-tint)} .dc-flow .dc-z1{--zf:var(--leaf-tint)} .dc-flow .dc-z2{--zf:var(--sun-tint)} .dc-flow .dc-z3{--zf:var(--sky-tint)}
.dc-flow .dc-z.dc-act rect{stroke:var(--ink);stroke-width:4}
.dc-flow:not(.static) .dc-z.dc-act{animation:dc-puls .9s ease-out}
.dc-flow .dc-col>span.dc-hid{color:transparent}
.dc-flow .dc-col>span.dc-hid .dc-q{visibility:hidden}
.dc-flow:not(.static) .dc-col>span.dc-nou{animation:dc-curge .6s ease-out}
.dc-col .dc-pp.dc-act-r:not(:empty){background:var(--sun-tint);border-radius:6px}
@keyframes dc-curge{0%{opacity:0;transform:translateX(-46px)}100%{opacity:1;transform:none}}
.dc-fl-txt{margin:10px 0 0;font-size:calc(20px * var(--fs));color:var(--ink);min-height:1.5em}
.dc-fl-txt b{color:var(--leaf-deep)}
.dc-cov .dc-fl-txt{font-size:calc(22px * var(--fs))}
@keyframes dc-puls{0%{opacity:.4}60%{opacity:1}100%{opacity:1}}

/* ---------- calculul în coloană (semnul la dreapta primului număr) ---------- */
.dc-col{--w:1.05em;display:inline-grid;font-family:var(--f-display);font-weight:800;line-height:1.12;font-size:calc(34px * var(--fs));color:var(--ink);font-variant-numeric:tabular-nums;vertical-align:middle}
.dc-col>span{display:flex;align-items:center;justify-content:center;box-sizing:border-box;min-width:0;min-height:1.12em}
.dc-col .dc-mii{padding-right:.12em}
.dc-col .dc-sg{color:var(--berry)}
.dc-col .dc-ln{border-top:4px solid var(--ink)}
.dc-col .dc-h{font-size:.42em;font-weight:900;min-height:1.6em;color:var(--muted)}
.dc-col .dc-h[data-p="0"]{color:var(--berry)} .dc-col .dc-h[data-p="1"]{color:var(--leaf-deep)} .dc-col .dc-h[data-p="2"]{color:var(--sky)} .dc-col .dc-h[data-p="3"]{color:var(--sun-ink)}
.dc-col .dc-h:empty{min-height:0}
.dc-col .dc-tr{font-size:.5em;color:var(--berry);min-height:1.3em;align-items:flex-end}
.dc-col .dc-tr.dc-tr2{color:var(--sky)}
.dc-col .dc-nt{justify-content:flex-start;padding-left:.45em;font-size:.48em;white-space:nowrap}
.dc-col .dc-k0{color:var(--berry)} .dc-col .dc-k1{color:var(--leaf-deep)} .dc-col .dc-k2{color:var(--sun-ink)} .dc-col .dc-k3{color:var(--sky)}
.dc-col .dc-r1{color:var(--leaf-deep)} .dc-col .dc-r2{color:var(--sky)}
.dc-col .dc-rez{color:var(--ink)}
.dc-q,.dc-gl{display:inline-block;width:.62em;height:.86em;border:2px dashed var(--muted);border-radius:6px;opacity:.75}
.dc-q{border-color:var(--berry);background:var(--berry-tint)}
.dc-nota{margin:8px 0 0;font-size:calc(16px * var(--fs));color:var(--ink)}
.dc-nota b{color:var(--sky)}
.dc-cine{margin:0 0 4px;font-size:calc(15px * var(--fs));color:var(--muted)}

/* stația 9: rotunjirea pe axă */
.dc-rot svg{display:block;width:100%;max-width:350px;margin:0 auto}
.dc-axl,.dc-axa line{stroke:var(--ink);stroke-width:2.5}
.dc-axt{font:800 18px var(--f-display);fill:var(--muted);text-anchor:middle}
.dc-axn{font:800 18px var(--f-display);fill:var(--berry);text-anchor:middle}
.dc-axp{fill:var(--berry)}
.dc-axr{fill:none;stroke:var(--leaf);stroke-width:4}
.dc-axs{fill:none;stroke:var(--leaf);stroke-width:3;stroke-dasharray:5 4}
.dc-rot p{margin:6px 0 0;display:flex;justify-content:center;gap:18px;font-size:calc(19px * var(--fs))}
.dc-rot b{color:var(--leaf-deep)}
.dc-rot .dc-rot-e small{color:var(--muted);font-size:.78em;align-self:center}

/* pe telefon, desenul de care are nevoie exercițiul vine înaintea lui */
html.flow .lesson .work:has(.dc-card,.dc-flow,.dc-split,.dc-rot){order:-1}

/* ---------- laboratoare: aspect comun ---------- */
html:not(.flow) .view:has(.dc-lab,.an) .lesson{grid-template-columns:minmax(0,1.5fr) minmax(0,.5fr)}
html:not(.flow) .view:has(.dc-lab,.an) .emoji-plansa{font-size:5em;padding:10px 0}
.dc-lab{display:grid;gap:8px}
.dc-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))}
.dc-tot{color:var(--sky)}
.dc-main{display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;align-items:center}
html.flow .dc-main{grid-template-columns:minmax(0,1fr)}
.dc-dr{display:grid;gap:8px}
.dc-ec{margin:0;text-align:center;font-family:var(--f-display);font-weight:800;font-size:calc(24px * var(--fs));min-height:1.4em;color:var(--ink);display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}
.dc-ec small{font-size:.6em;color:var(--muted)}
.dc-ec b{color:var(--leaf-deep)}
.dc-faza{margin:0;text-align:center;font-weight:800;font-size:calc(15px * var(--fs));color:var(--sky)}
.dc-in{display:inline-flex;align-items:center;justify-content:center;min-width:3.2em;height:1.5em;padding:0 8px;border:3px dashed var(--leaf);border-radius:10px;color:var(--muted);box-sizing:border-box}
.dc-in.plin{border-style:solid;color:var(--ink);background:var(--leaf-tint)}
/* tastatura cu cifre: plăcuțe mari, aceeași înălțime */
.dc-pad{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}
.dc-lab .dc-pad .chip.dc-key{display:flex;align-items:center;justify-content:center;min-height:calc(44px * var(--fs));padding:0;font-family:var(--f-display);font-size:calc(22px * var(--fs));color:var(--ink);border:3px solid var(--line);border-radius:12px;box-shadow:0 4px 0 var(--line);cursor:pointer}
.dc-lab .dc-pad .chip.dc-key:hover{border-color:var(--sky)}
.dc-lab .dc-pad .chip.dc-key:active{transform:translateY(2px);box-shadow:0 2px 0 var(--line)}
.dc-lab .dc-pad .chip.dc-key:disabled{opacity:.45;transform:none}
/* butoanele de jos: separate de plăcuțe */
.dc-act{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;padding-top:8px;border-top:2px dashed var(--line)}
.dc-act .verif{margin-left:auto}
.dc-act .btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.dc-msg{margin:0;min-height:1.4em;text-align:center;font-weight:800;font-size:calc(15px * var(--fs));color:var(--muted)}
.dc-msg.bine{color:var(--leaf-deep)} .dc-msg.rau{color:var(--berry)}

/* laborator 1: dreptunghiul cu zone-buton */
.dc-arie{display:grid;grid-template-columns:auto calc(170px * var(--fs)) calc(96px * var(--fs));grid-template-rows:auto calc(100px * var(--fs)) calc(74px * var(--fs));gap:4px;align-items:stretch}
.dc-ax,.dc-ay{font-family:var(--f-display);font-weight:800;font-size:calc(19px * var(--fs));display:flex;align-items:center;justify-content:center}
.dc-ay{padding-right:4px}
.dc-zb{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border:3px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);font-family:var(--f-display);font-weight:800;font-size:calc(16px * var(--fs));cursor:pointer;padding:2px;min-width:0;box-shadow:0 3px 0 var(--line)}
.dc-zb b{font-size:1.3em;line-height:1}
.dc-zb.dc-zk0{background:var(--berry-tint);border-color:var(--berry);color:var(--berry)}
.dc-zb.dc-zk1{background:var(--leaf-tint);border-color:var(--leaf);color:var(--leaf-deep)}
.dc-zb.dc-zk2{background:var(--sun-tint);border-color:var(--sun);color:var(--sun-ink)}
.dc-zb.dc-zk3{background:var(--sky-tint);border-color:var(--sky);color:var(--sky)}
.dc-zb:not(.plin) b{opacity:.55}
.dc-zb.act{outline:4px solid var(--ink);outline-offset:2px;transform:translateY(-2px)}
.dc-zb.plin b{opacity:1;animation:dc-pop .35s ease-out}
html.flow .dc-arie{justify-content:center}

/* laborator 2: coloana pas cu pas */
.dc-cl{border:2px solid var(--line);border-radius:12px;padding:6px 12px;background:var(--card)}
.dc-cl .dc-col{font-size:calc(28px * var(--fs))}
.dc-col .dc-act-c{background:var(--sky-tint);border-radius:6px}
.dc-col .dc-tinta{background:var(--sun-tint);border-radius:6px;box-shadow:inset 0 0 0 3px var(--sun)}
.dc-col .dc-scris{animation:dc-pop .35s ease-out}
.dc-col .dc-scris .dc-gl{display:none}
.dc-col .dc-rau{animation:dc-shake .45s}
.dc-col.dc-gata .dc-rez{color:var(--leaf-deep)}

/* laborator 3: estimează și verifică */
.dc-pct{display:flex;gap:6px}
.dc-pct i{width:26px;height:8px;border-radius:99px;background:var(--line)}
.dc-pct i.acum{background:var(--sun)} .dc-pct i.gata{background:var(--leaf)}
.dc-est-sus{border:2px solid var(--line);border-radius:12px;padding:8px 14px;background:var(--card);color:var(--ink);display:grid;gap:4px}
.dc-est-ex{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.dc-est-t{font-family:var(--f-display);font-weight:800;font-size:calc(34px * var(--fs))}
.dc-est-c{font-weight:800;font-size:calc(17px * var(--fs));background:var(--berry-tint);color:var(--ink);border-radius:10px;padding:4px 12px}
.dc-est-c b{color:var(--berry)}
.dc-est-e{margin:0;font-family:var(--f-display);font-weight:800;font-size:calc(26px * var(--fs));display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.dc-g{display:inline-flex;align-items:center;justify-content:center;min-width:2.4em;height:1.4em;border-bottom:3px dashed var(--leaf);color:var(--muted)}
.dc-g.plin{border-bottom-style:solid;color:var(--leaf-deep);animation:dc-pop .35s}
.dc-est-q{margin:0;text-align:center;font-weight:800;font-size:calc(18px * var(--fs));color:var(--ink)}
.dc-est-var{justify-content:center;gap:10px}
.dc-lab .dc-est-var .chip.dc-opt{min-width:6.5em;min-height:calc(48px * var(--fs));font-size:calc(19px * var(--fs));border-width:3px;border-radius:14px;box-shadow:0 4px 0 var(--line);display:flex;align-items:center;justify-content:center}
.dc-lab .dc-est-var .chip.dc-opt.ales{background:var(--sky);border-color:var(--sky);color:var(--card);box-shadow:0 4px 0 var(--ink);transform:translateY(-2px)}

/* laborator 4: antrenament rapid */
.an{display:grid;gap:8px}
.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:dc-pop .4s ease-out}
.an-q{font-family:var(--f-display);font-size:calc(34px * var(--fs));font-weight:800;margin:10px 0;color:var(--ink);text-align:center}
.an-var{justify-content:center;gap:10px}
.an .an-var .chip{font-size:calc(21px * var(--fs));min-width:5.5em;min-height:calc(50px * var(--fs));border-width:3px;border-radius:14px;box-shadow:0 4px 0 var(--line);display:flex;align-items:center;justify-content:center}
.an-msg{min-height:1.5em;margin:6px 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:var(--f-display);font-size:calc(54px * var(--fs));color:var(--leaf-deep);animation:dc-pop .5s}

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

/* fără animații (accesibilitate) sau mișcare redusă: starea completă, fără tranziții */
html.a-still .dc-flow *,html.a-still .dc-split *,html.a-still .dc-lab *,html.a-still .an *{animation:none!important;transition:none!important}
@media (prefers-reduced-motion: reduce){
  .dc-flow *,.dc-split *,.dc-lab *,.an *{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}