/* aplicatie.css — stiluri proprii lecției „Model de arie cu trei cifre” (doar variabile de culoare).
   Culorile ordinelor: sute = albastru (sky), zeci = galben (sun), unități = roșu (berry), restul = verde (leaf). */

/* ---------- planșe desenate ---------- */
.plate :is(.m3-anim,.m3-card,.m3-scris,.m3-scara,.m3-dr,.m3-loc){background:var(--card);color:var(--ink);border-radius:12px;padding:12px 14px;font-weight:800}
.m3-svg{display:block;width:100%;height:auto;overflow:visible}
.m3-svg .m3-arie{fill:var(--ink);font-family:var(--f-display);font-weight:800}
.m3-svg .m3-lat{font-family:var(--f-display);font-weight:800;font-size:22px}
.m3-svg .m3-d{fill:var(--ink);font-family:var(--f-display);font-weight:800;font-size:30px}
.m3-svg .m3-tot{fill:var(--leaf-deep);font-family:var(--f-display);font-weight:800;font-size:26px}
.m3-svg .m3-rest{fill:var(--leaf-deep);font-weight:800;font-size:16px}
.m3-svg .m3-nume{font-weight:800;font-size:15px}
.m3-sub{margin:6px 0 0;text-align:center;font-size:calc(17px * var(--fs));color:var(--ink)}
.m3-sub b{color:var(--berry)}

/* dreptunghiul care se taie: un singur ceas (js/aplicatie.js) aprinde bucățile și schimbă contorul */
.m3-anim .pa{opacity:.08;transition:opacity .45s ease}
.m3-anim .pa.on{opacity:1}
.m3-anim :is(.m3-x0,.m3-xq,.m3-xf){transition:opacity .2s ease}
.m3-anim:not([data-faza="0"]) .m3-x0,.m3-anim.fin .m3-xq,.m3-anim:not(.fin) .m3-xf{opacity:0}
/* contorul „Aria rămasă” */
.m3-cnt{display:inline-flex;align-items:center;gap:8px;font-weight:800;color:var(--muted);font-size:calc(14px * var(--fs))}
.m3-cnt b{display:inline-block;min-width:3.4em;text-align:center;padding:2px 10px;border-radius:10px;background:var(--leaf-tint);color:var(--leaf-deep);border:2px solid var(--leaf);font-family:var(--f-display);font-size:calc(22px * var(--fs));line-height:1.2}
.m3-cnt b.scade{animation:m3-puls .4s ease-out}
.m3-anim .m3-cnt{display:flex;justify-content:center;margin-top:6px}
.m3-sum{display:grid;margin:6px 0 0;text-align:center;font-size:calc(19px * var(--fs))}
.m3-sum>span{grid-area:1/1}
.m3-sum b{color:var(--leaf-deep)}
html.a-still .m3-anim *{transition:none!important}

/* culorile ordinelor, în text */
:is(.m3-scris,.m3-dr,.m3-loc) .c0{--c:var(--sky);--t:var(--sky-tint)}
:is(.m3-scris,.m3-dr,.m3-loc) .c1{--c:var(--sun-ink);--t:var(--sun-tint)}
:is(.m3-scris,.m3-dr,.m3-loc) .c2{--c:var(--berry);--t:var(--berry-tint)}

/* stația 5: împărțirea în scris lângă bucăți */
.m3-scris{display:flex;align-items:flex-start;justify-content:center;gap:18px;flex-wrap:wrap}
.m3-col{display:grid;grid-auto-rows:auto;column-gap:2px;font-family:var(--f-display);font-size:calc(30px * var(--fs));line-height:1.15;text-align:center}
.m3-col span{display:block}
.m3-col .m3-op{text-align:left;padding-left:.4ch;white-space:nowrap}
.m3-col .m3-op b{color:var(--leaf-deep)}
.m3-col :is(.c0,.c1,.c2){color:var(--c)}
.m3-col .m3-sb{border-bottom:3px solid var(--c)}
.m3-col .m3-minus{text-align:right}
.m3-col .m3-r{color:var(--leaf-deep)}
.m3-eqs{display:flex;flex-direction:column;gap:6px;font-size:calc(18px * var(--fs));min-width:10em}
.m3-eqs small{color:var(--muted);font-size:calc(13px * var(--fs))}
.m3-eqs span{background:var(--t);border-left:5px solid var(--c);border-radius:8px;padding:4px 10px;white-space:nowrap}
.m3-eqs .m3-q{background:var(--leaf-tint);border-left-color:var(--leaf)}
.m3-eqs b{color:var(--leaf-deep)}

/* stația 4: scara de încercări */
.m3-scara{display:flex;flex-direction:column;gap:8px;font-size:calc(19px * var(--fs))}
.m3-scara>span{display:flex;align-items:center;justify-content:space-between;gap:10px;border-radius:10px;padding:6px 12px}
.m3-scara .ok{background:var(--leaf-tint)} .m3-scara .ok b{color:var(--leaf-deep)}
.m3-scara .no{background:var(--berry-tint)} .m3-scara .no b{color:var(--berry)}
.m3-scara b{font-size:calc(14px * var(--fs))}

/* stația 6: două drumuri */
.m3-dr{display:flex;flex-direction:column;gap:10px}
.m3-dr-r{display:flex;align-items:center;gap:4px}
.m3-dr-n{flex:0 0 4.6em;font-size:calc(15px * var(--fs));color:var(--muted)}
.m3-dr-r i{flex:1 1 0;display:flex;align-items:center;justify-content:center;height:calc(46px * var(--fs));font-style:normal;background:var(--t);border:2px solid var(--c);border-radius:6px;font-size:calc(17px * var(--fs))}

/* stația 9: casetele câtului */
.m3-loc-r{display:flex;justify-content:center;gap:10px;margin:10px 0}
.m3-loc-r span{display:flex;flex-direction:column;align-items:center;justify-content:center;width:calc(70px * var(--fs));height:calc(84px * var(--fs));border:3px solid var(--c);background:var(--t);border-radius:12px;font-family:var(--f-display);font-size:calc(40px * var(--fs));line-height:1}
.m3-loc-r small{font-family:var(--f-body);font-size:calc(13px * var(--fs));color:var(--muted)}
.m3-loc-r .z{border-style:dashed}

/* ---------- laboratoare: părți comune ---------- */
.m3l-top{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;font-weight:800;color:var(--muted);font-size:calc(14px * var(--fs))}
.m3l-op{font-family:var(--f-display);font-size:calc(26px * var(--fs));color:var(--ink);line-height:1.1}
/* dreptunghiul din laboratoare: latura în stânga, bucățile pe un rând, toate la aceeași înălțime */
.m3-bar{display:flex;align-items:stretch;gap:8px;margin:10px 0 4px}
.m3-bar-d{display:flex;align-items:center;justify-content:center;min-width:1.4em;padding-right:6px;border-right:3px solid var(--ink);font-family:var(--f-display);font-size:calc(26px * var(--fs));color:var(--ink);font-weight:800}
.m3-bar-box{flex:1;display:flex;min-width:0;height:calc(60px * var(--fs));border:3px solid var(--ink);border-radius:6px;overflow:hidden;background:var(--paper)}
.m3-pc{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:0;border-right:2px solid var(--ink);overflow:hidden;color:var(--ink)}
.m3-pc.nou{animation:m3-intra .45s ease-out}
.m3-pc:last-child{border-right:0}
.m3-pc b{font-family:var(--f-display);font-size:calc(20px * var(--fs));line-height:1.1}
.m3-pc small{font-size:calc(11px * var(--fs));font-weight:800;color:var(--muted);white-space:nowrap}
.m3-pc.c0{background:var(--sky-tint)} .m3-pc.c0 small{color:var(--sky)}
.m3-pc.c1{background:var(--sun-tint)} .m3-pc.c1 small{color:var(--sun-ink)}
.m3-pc.c2{background:var(--berry-tint)} .m3-pc.c2 small{color:var(--berry)}
.m3-pc.z{background:var(--card);outline:2px dashed var(--line);outline-offset:-5px}
.m3-pc.ram{background:repeating-linear-gradient(135deg,var(--paper) 0 8px,var(--card) 8px 16px)}
.m3-pc.ram b{color:var(--muted)}
.m3-pc.rest{background:var(--leaf-tint)} .m3-pc.rest b,.m3-pc.rest small{color:var(--leaf-deep)}
.m3l-q{margin:8px 0;font-weight:800;font-size:calc(17px * var(--fs));color:var(--ink);text-align:center;min-height:1.4em}
.m3l-q b{color:var(--berry)}
/* plăcuțele: butoane mari, la fel, cu starea „ales” clară */
.m3-ch{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.m3-ch .chip.m3-t{min-width:calc(120px * var(--fs));min-height:calc(48px * var(--fs));padding:4px 14px;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}
.m3-ch .chip.m3-t.cifra{min-width:calc(64px * var(--fs));font-family:var(--f-display);font-size:calc(26px * var(--fs))}
.m3-ch .chip.m3-t:hover{transform:translateY(-2px)}
.m3-ch .chip.m3-t.ales{background:var(--sky);border-color:var(--sky);color:var(--card);box-shadow:0 5px 0 var(--ink);transform:translateY(-3px)}
.m3-ch .chip.m3-t.good{background:var(--leaf-tint);border-color:var(--leaf);color:var(--leaf-deep)}
.m3-ch .chip.m3-t.bad{background:var(--berry-tint);border-color:var(--berry);color:var(--berry);animation:m3-scutura .45s}
.m3-ch .chip.m3-t:disabled{opacity:.6;transform:none}
.m3-ch .chip.m3-t.good:disabled{opacity:1}
/* butoanele de jos: separate de plăcuțe */
.m3-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);min-height:calc(46px * var(--fs))}
.m3-act .verif{margin-left:auto}
.m3-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.m3l-pasi{font-weight:800;color:var(--muted)}

/* laboratorul „Cu cât mai puțini pași” */
.m3d-dr{display:flex;align-items:stretch;gap:8px;margin:8px 0}
.m3d-dr>div{flex:1;display:flex;flex-direction:column;gap:8px;min-width:0}
.m3d-r{display:flex;align-items:center;gap:8px}
.m3d-n{flex:0 0 auto;display:flex;align-items:center;justify-content:center;width:calc(34px * var(--fs));height:calc(34px * var(--fs));border-radius:50%;background:var(--sun);color:var(--on-sun);font-weight:900}
.m3d-box{flex:1;display:flex;min-width:0;height:calc(58px * var(--fs));border:3px solid var(--ink);border-radius:6px;overflow:hidden}
.m3d-box .m3-pc b{font-size:calc(17px * var(--fs))}
.m3d-p{flex:0 0 4.4em;font-weight:800;color:var(--leaf-deep);font-size:calc(14px * var(--fs))}

/* laboratorul „Zero în cât” */
.m3z-cat{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:4px}
.m3z-et{font-weight:800;color:var(--muted);margin-right:4px}
.m3z-c{display:flex;flex-direction:column;align-items:center;justify-content:center;width:calc(48px * var(--fs));height:calc(52px * var(--fs));border:3px solid var(--line);border-radius:12px;background:var(--card);line-height:1}
.m3z-c small{font-size:calc(12px * var(--fs));font-weight:800;color:var(--muted)}
.m3z-c b{font-family:var(--f-display);font-size:calc(26px * var(--fs));color:var(--ink)}
.m3z-c.c0{border-color:var(--sky)} .m3z-c.c1{border-color:var(--sun-ink)} .m3z-c.c2{border-color:var(--berry)}
.m3z-c.cur{box-shadow:0 0 0 4px var(--sun);background:var(--sun-tint)}
.m3z-c.z b{color:var(--berry);animation:m3-intra .4s ease-out}
.m3z-r{display:flex;align-items:center;gap:6px;height:calc(52px * var(--fs));padding:0 12px;border-radius:12px;background:var(--leaf-tint);color:var(--leaf-deep);font-weight:800}

/* ---------- 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-q{font-size:calc(28px * var(--fs));font-weight:800;margin:12px 0;color:var(--ink);text-align:center}
.an-q.lung{font-size:calc(20px * var(--fs))}
.an-q .gol{display:inline-block;min-width:2.6em;border-bottom:3px dashed var(--leaf);text-align:center;color:var(--muted)}
.an-q .gol.plin{border-bottom-style:solid;color:var(--leaf-deep);animation:pop .35s}
.an-var{justify-content:center}
.an-var .chip{font-size:calc(18px * var(--fs));min-width:5.5em;min-height:calc(46px * var(--fs))}
.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:var(--f-display);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 m3-puls{0%{transform:scale(1.25)}100%{transform:none}}
@keyframes m3-intra{0%{opacity:0}100%{opacity:1}}
@keyframes m3-scutura{0%,100%{transform:none}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}

/* fără animații (accesibilitate) sau mișcare redusă: totul apare direct */
html.a-still :is(.m3-pc,.m3-cnt b,.m3z-c b,.m3-ch .chip,.an-q .gol,.an-scor,.an-serie){animation:none!important}
@media (prefers-reduced-motion: reduce){
  :is(.m3-pc,.m3-cnt b,.m3z-c b,.m3-ch .chip,.an-q .gol,.an-scor,.an-serie){animation:none!important}
  .m3-anim *{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}