/* aplicatie.css — stiluri proprii lecției „Probleme cu înmulțirea numerelor mari” (doar variabile de culoare). */

/* cifrele au aceeași lățime: „1 250” nu pare „1250” */
.lesson,.cover,.quiz{font-variant-numeric:tabular-nums}

/* ---------- culorile ordinelor: U verde · Z albastru · S roșu · M galben-maro · ZM, SM gri ---------- */
.o0{--pmo:var(--leaf-deep);--pmo-t:var(--leaf-tint)}
.o1{--pmo:var(--sky);--pmo-t:var(--sky-tint)}
.o2{--pmo:var(--berry);--pmo-t:var(--berry-tint)}
.o3{--pmo:var(--sun-ink);--pmo-t:var(--sun-tint)}
.o4,.o5{--pmo:var(--muted);--pmo-t:var(--paper)}
b.o0,b.o1,b.o2,b.o3,b.o4,b.o5{color:var(--pmo)}
/* zeroul din mijloc, oriunde apare în text */
.pm-z{font-style:normal;display:inline-block;text-align:center;color:var(--berry);background:var(--berry-tint);border-radius:6px;box-shadow:inset 0 0 0 2px var(--berry);padding:0 1px;line-height:1.05}

/* ---------- planșele: fundal de card, lizibil în toate stilurile ---------- */
.plate :is(.pm-anim,.pm-static,.pm-grup,.pm-semne,.pm-est,.pm-sch){background:var(--card);color:var(--ink);border-radius:12px;padding:14px 16px;font-weight:800}
.pm-titlu{margin:0 0 4px;display:flex;align-items:center;justify-content:center;gap:10px;font-family:"Baloo 2",system-ui,sans-serif;font-weight:800;font-size:calc(30px * var(--fs));line-height:1.1;color:var(--ink)}
.pm-nota{margin:6px 0 0;min-height:2.6em;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:0 4px;text-align:center;font-weight:800;font-size:calc(17px * var(--fs));line-height:1.3;color:var(--ink)}
.pm-nota b{color:var(--leaf-deep)}

/* ---------- tabelul de ordine: eticheta rândului + o coloană pe ordin + coloana semnului ---------- */
.pm-tab{--pmw:calc(40px * var(--fs));--pmsg:calc(26px * var(--fs));display:grid;justify-content:center;align-items:center;row-gap:3px;font-weight:800;line-height:1;color:var(--ink)}
.pm-tab.mic{--pmw:calc(34px * var(--fs))}
.pm-c{height:calc(37px * var(--fs));display:flex;align-items:center;justify-content:center;transition:opacity .35s,transform .35s,background .3s}
.pm-d{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(30px * var(--fs));color:var(--pmo,var(--ink));border-left:2px dashed var(--line)}
.pm-tab.mic .pm-d{font-size:calc(26px * var(--fs))}
.pm-h{height:calc(26px * var(--fs));margin:0 2px 2px;border-radius:8px;font-size:calc(14px * var(--fs));font-weight:900;background:var(--pmo-t);color:var(--pmo)}
.pm-et{justify-content:flex-end;padding:0 12px 0 4px;white-space:nowrap;font-size:calc(16px * var(--fs));color:var(--muted)}
.pm-et.pm-h{background:none}
.pm-et.pm-zl{color:var(--berry)}
.pm-et.pm-tl{color:var(--ink);font-weight:900}
.pm-sg{color:var(--berry);font-size:calc(26px * var(--fs));justify-content:flex-start;padding-left:4px}
.pm-ln{display:block;height:4px;background:var(--ink);border-radius:2px;margin:2px 0}
.pm-lnsp{display:block;height:4px}
.pm-tot{color:var(--ink);font-size:calc(32px * var(--fs))}
/* coloana zeroului și rândul zeroului */
.pm-zc{background:var(--berry-tint)}
.pm-h.pm-zc{box-shadow:inset 0 0 0 2px var(--berry)}
.pm-d.pm-z0{color:var(--berry)}
.pm-d.pm-z0:not(:empty){background:var(--berry-tint);box-shadow:inset 0 0 0 3px var(--berry);border-radius:8px}
/* animația: rândurile apar pe rând; rândul curent e evidențiat */
.pm-asc{opacity:0;transform:translateY(-6px)}
.pm-c.nou{animation:pm-pop .45s ease-out}
.pm-et.pm-cur{color:var(--ink);background:var(--sun-tint);border-radius:8px}
.pm-d.pm-cur:not(.pm-z0){background:var(--sun-tint)}
.pm-anim.static .pm-asc{opacity:1;transform:none}

/* ---------- planșe statice ---------- */
.pm-tribune{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.pm-tribune span{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 4px;border-radius:12px;background:var(--sky-tint);border:2px solid var(--sky)}
.pm-tribune small{font-size:calc(13px * var(--fs));color:var(--muted)}
.pm-tribune b{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(24px * var(--fs));line-height:1;color:var(--sky)}
.pm-tribune i{font-style:normal;font-size:calc(13px * var(--fs));color:var(--muted)}
.pm-acol{margin:6px 0 0;padding-top:10px;text-align:center;border-top:3px solid var(--muted);border-radius:10px 10px 0 0;color:var(--muted);font-size:calc(15px * var(--fs))}
.pm-expr{margin:8px 0 0;text-align:center;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(28px * var(--fs));color:var(--ink)}
.pm-expr b{color:var(--leaf-deep)}
.pm-semne p{display:flex;align-items:center;gap:14px;margin:10px 0;padding:10px 14px;border-radius:12px;font-size:calc(18px * var(--fs));line-height:1.3}
.pm-semne small{color:var(--muted);font-size:calc(14px * var(--fs))}
.pm-semne b{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:calc(44px * var(--fs));height:calc(44px * var(--fs));border-radius:50%;font-size:calc(30px * var(--fs));background:var(--card)}
.pm-sm-i{background:var(--leaf-tint)} .pm-sm-i b{color:var(--leaf-deep);border:3px solid var(--leaf-deep)}
.pm-sm-a{background:var(--sun-tint)} .pm-sm-a b{color:var(--sun-ink);border:3px solid var(--sun-ink)}
.pm-est p{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:12px;margin:8px 0;padding:8px 12px;border-radius:12px;background:var(--paper);font-size:calc(22px * var(--fs))}
.pm-est span{text-align:right}
.pm-est i{font-style:normal;color:var(--muted)}
.pm-est b{color:var(--sky)}
.pm-est .pm-est-ok{background:var(--leaf-tint);grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto}
.pm-est .pm-est-ok b{color:var(--leaf-deep)}
.pm-est small{font-size:calc(14px * var(--fs));color:var(--leaf-deep)}
.pm-sch p{margin:8px 0;text-align:center}
.pm-sch p:first-child{display:flex;align-items:center;justify-content:center;gap:12px;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(28px * var(--fs))}
.pm-sch p:first-child b{padding:2px 12px;border-radius:12px;background:var(--sky-tint);color:var(--sky)}
.pm-sch p:first-child i{font-style:normal;color:var(--muted)}
.pm-sch-d{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;font-size:calc(17px * var(--fs))}
.pm-sch-d span{padding:6px 8px;border-radius:10px;background:var(--paper)}
.pm-sch-r{font-size:calc(22px * var(--fs));color:var(--leaf-deep)}
.pm-static{display:flex;justify-content:center}

/* ---------- laboratoarele: pe toată lățimea stației ---------- */
html:not(.flow) .view:has(.pm-lab,.an,.task .order) .lesson{grid-template-columns:minmax(0,1fr)}
.view:has(.pm-lab,.an,.task .order) .work:empty{display:none}
.pm-lab{display:grid;gap:10px}
.pm-lab-gr{display:grid;grid-template-columns:minmax(0,auto) minmax(0,1fr);gap:18px;align-items:start}
html.flow .pm-lab-gr{grid-template-columns:minmax(0,1fr)}
.pm-lab-st{background:var(--card);border:2px solid var(--line);border-radius:14px;padding:10px 14px;min-width:0;overflow-x:auto}
.pm-lab-dr{display:grid;gap:10px;min-width:0}
.pm-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))}
.pm-pb-nr{display:inline-flex;align-items:center;justify-content:center;min-width:calc(44px * var(--fs));height:calc(28px * var(--fs));border-radius:999px;background:var(--paper);color:var(--muted);font-family:"Nunito",system-ui,sans-serif;font-size:calc(14px * var(--fs))}
.pm-msg{margin:0;min-height:1.4em;font-weight:800;font-size:calc(16px * var(--fs));color:var(--muted)}
.pm-msg.bine{color:var(--ink)}
.pm-msg b{color:var(--leaf-deep)}
.pm-act{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;padding-top:10px;border-top:2px dashed var(--line)}
.pm-act .verif,.pm-act .pm-next{margin-left:auto}
.pm-lab-dr .pm-act{margin-top:4px}
.pm-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* laboratorul „Ordin cu ordin” */
.pm-calc{margin:0;display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap;font-family:"Baloo 2",system-ui,sans-serif;font-weight:800;font-size:calc(28px * var(--fs));line-height:1.2;color:var(--ink);text-align:center}
.pm-afis{display:flex;align-items:center;justify-content:center;min-height:calc(54px * var(--fs));border:3px dashed var(--line);border-radius:14px;background:var(--card)}
.pm-afis b{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(36px * var(--fs));line-height:1;color:var(--muted)}
.pm-afis.plin{border-style:solid;border-color:var(--berry);background:var(--sun-tint);box-shadow:0 4px 0 var(--berry)}
.pm-afis.plin b{color:var(--ink)}
.pm-afis.bad{animation:pm-scutura .45s}
.pm-tast{display:grid;grid-template-columns:repeat(11,minmax(0,1fr));gap:5px}
html.flow .pm-tast{grid-template-columns:repeat(6,minmax(0,1fr))}
/* în laboratoare tabelul e mai scund, ca totul să încapă pe scenă */
.pm-lab .pm-tab{--pmw:calc(36px * var(--fs))}
.pm-lab .pm-c{height:calc(33px * var(--fs))}
.pm-lab .pm-h{height:calc(22px * var(--fs))}
.pm-lab .pm-d{font-size:calc(25px * var(--fs))}
.pm-lab .pm-tot{font-size:calc(27px * var(--fs))}
.pm-lab .pm-titlu{font-size:calc(25px * var(--fs));margin-bottom:4px}
.pm-lab .chip.pm-k{min-height:calc(46px * var(--fs));padding:0;justify-content:center;font-size:calc(22px * var(--fs));font-weight:800;color:var(--ink);border-width:3px;border-radius:12px;cursor:pointer}
.pm-lab .chip.pm-k[data-k="x"]{color:var(--berry)}
.pm-lab .chip.pm-k:disabled{opacity:.45}
.pm-d.pm-ok{animation:pm-pop .4s ease-out}
.pm-ordl .pm-d:empty.pm-cur{background:var(--sun-tint);box-shadow:inset 0 0 0 2px var(--sun-ink);border-radius:6px}

/* laboratorul „Capcana zeroului” */
.pm-pasi{display:flex;gap:6px;flex-wrap:wrap}
.pm-pasi i{font-style:normal;padding:2px 10px;border-radius:999px;background:var(--paper);color:var(--muted);border:2px solid var(--line)}
.pm-pasi i.acum{background:var(--sky-tint);color:var(--sky);border-color:var(--sky)}
.pm-pasi i.gata{background:var(--leaf-tint);color:var(--leaf-deep);border-color:var(--leaf)}
.pm-pasi i.gata::before{content:"✓ "}
.pm-intr{margin:0;font-weight:800;font-size:calc(18px * var(--fs));line-height:1.35;color:var(--ink)}
.pm-opt{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.pm-opt-n{grid-column:1 / -1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.pm-lab .chip.pm-o{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;text-align:center;min-height:calc(56px * var(--fs));padding:6px 12px;font-size:calc(20px * 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}
.pm-lab .chip.pm-o small{font-size:calc(13px * var(--fs));font-weight:700;color:var(--muted)}
.pm-lab .chip.pm-o.ales{background:var(--berry);border-color:var(--berry);color:var(--card);box-shadow:0 5px 0 var(--ink)}
.pm-lab .chip.pm-o.ales small{color:var(--card)}
.pm-lab .chip.pm-o:disabled:not(.good):not(.ales){opacity:.5}
.pm-lab .chip.pm-o.bad{animation:pm-scutura .45s}
.pm-ascuns:not(.vazut) .pm-tab [data-r]{opacity:0}
.pm-ascuns.vazut .pm-tab [data-r]{animation:pm-pop .45s ease-out}
.pm-dez{margin:8px 0 0;min-height:1.4em;text-align:center;font-weight:800;font-size:calc(16px * var(--fs));color:var(--ink)}
.pm-dez b{color:var(--berry)}

/* ---------- 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:pm-pop .4s ease-out}
.an-pb{margin:14px 0;padding:12px 16px;border-radius:14px;background:var(--sun-tint);border:2px solid var(--line);color:var(--ink);font-weight:800;font-size:calc(21px * var(--fs));line-height:1.4}
.an-q{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(34px * var(--fs));font-weight:800;margin:10px 0;color:var(--ink);text-align:center}
.an-var{justify-content:center;gap:12px}
.an-var .chip{font-size:calc(21px * var(--fs));min-width:8em;min-height:calc(52px * var(--fs));justify-content:center;font-weight:800;border-width:3px}
.an-msg{min-height:1.5em;margin:12px 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:pm-pop .5s}

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

/* fără animații (accesibilitate) sau mișcare redusă: totul se vede, nimic nu se mișcă */
html.a-still :is(.pm-c,.pm-d,.an-bar i,.an-scor,.an-serie,.pm-afis,.pm-o),html.a-still .pm-ascuns.vazut .pm-tab [data-r],.pm-anim.static .pm-c{transition:none!important;animation:none!important}
@media (prefers-reduced-motion: reduce){
  .pm-c,.pm-d,.an-bar i,.an-scor,.an-serie,.pm-afis,.pm-o,.pm-ascuns.vazut .pm-tab [data-r]{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}