/* aplicatie.css — stiluri proprii lecției „Împarte numere care se termină în zerouri” (doar variabile de culoare). */

/* ---------- planșe desenate ---------- */
.plate .zb-card,.plate .zb-scena,.plate .ot,.plate .sr,.plate .zh,.plate .zm-scena,.plate .cp,.plate .dz,.plate .pr,.plate .rg,.plate .ax,.plate .bd,.plate .dr,.plate .sf{
  background:var(--card);color:var(--ink);border-radius:12px;padding:14px;font-weight:800}
.zr{font-style:normal;color:var(--berry)}

/* ---------- blocurile: mii (cuburi) și sute (plăci) ---------- */
.zb-card{--u:19px}
.zb-scena{--u:17px}
.zb-card,.zb-scena{display:flex;flex-direction:column;align-items:center;gap:7px;text-align:center}
.zb-t{margin:0;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(26px * var(--fs));line-height:1.15;color:var(--ink)}
.zb-n{margin:0;font-size:calc(16px * var(--fs));color:var(--muted)}
.zb-n b{color:var(--leaf-deep)}
/* cele două texte ale animației stau în aceeași celulă: înălțimea nu se schimbă când se comută */
.zb-anim .zb-t,.zb-anim .zb-n{display:grid}
.zb-anim .zb-t > span,.zb-anim .zb-n > span{grid-area:1/1;transition:opacity .3s}
.zb-anim .zb-tb,.zb-anim.impartit .zb-ta{opacity:0;visibility:hidden}
.zb-anim.impartit .zb-tb{opacity:1;visibility:visible}
.zb-masa{display:flex;flex-direction:column;align-items:center;gap:6px;padding:8px 12px;border-radius:12px;background:var(--leaf-tint);min-width:62%}
.zb-et{font-size:calc(13px * var(--fs));font-weight:800;color:var(--leaf-deep)}
.zb-pl{display:flex;flex-wrap:wrap;gap:3px;justify-content:center;align-items:flex-end;max-width:calc((var(--u) + 3px) * 12);min-height:calc(var(--u) * 1.9)}
.zb-gol{font-size:calc(14px * var(--fs));color:var(--muted);display:flex;align-items:center}
.zb-s{display:block;width:var(--u);height:var(--u);box-sizing:border-box;border:1.5px solid var(--sky);border-radius:2px;background-color:var(--sky-tint);
  background-image:linear-gradient(90deg,var(--sky) 1px,transparent 1px),linear-gradient(var(--sky) 1px,transparent 1px);background-size:4px 4px;background-position:1px 1px}
.zb-m{display:block;width:calc(var(--u) * 1.9);height:calc(var(--u) * 1.9);box-sizing:border-box;border:2px solid var(--leaf-deep);border-radius:3px;background-color:var(--leaf-tint);
  background-image:linear-gradient(90deg,var(--leaf) 1.5px,transparent 1.5px),linear-gradient(var(--leaf) 1.5px,transparent 1.5px);background-size:7px 7px;
  box-shadow:3px -3px 0 var(--leaf);margin:3px 3px 0 0}
.zb-sag{color:var(--muted);font-size:calc(18px * var(--fs));line-height:1}
.zb-gr{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.zb-g{display:flex;flex-direction:column;align-items:center;gap:4px;border:2.5px dashed var(--muted);border-radius:12px;padding:6px 8px 4px;background:var(--card);min-width:calc((var(--u) + 3px) * 3)}
.zb-gc{display:flex;flex-wrap:wrap;gap:3px;justify-content:center;align-content:flex-end;align-items:flex-end;max-width:calc((var(--u) + 3px) * 3);min-height:calc((var(--u) + 3px) * 2)}
.zb-gl{font-size:calc(12px * var(--fs));font-weight:800;color:var(--muted);min-height:1.2em;white-space:nowrap}
/* animația împărțirii: ceasul din aplicatie.js comută „impartit”; --k = ordinea în care pleacă și sosesc sutele */
.zb-anim .zb-g .zb-s{opacity:0;transform:translateY(-12px) scale(.6);transition:opacity .3s,transform .3s;transition-delay:calc(var(--k) * .05s)}
.zb-anim.impartit .zb-g .zb-s{opacity:1;transform:none}
.zb-anim .zb-masa .zb-s{transition:opacity .3s;transition-delay:calc(var(--k) * .05s)}
.zb-anim.impartit .zb-masa .zb-s{opacity:.2}
.zb-scena{min-height:280px;justify-content:center}
.zb-scena .vine{animation:zb-in .4s both}
.zb-scena .din-mie{animation:zb-pop .45s both}
@keyframes zb-in{from{opacity:0;transform:translateY(-18px) scale(.5)}}
@keyframes zb-pop{from{opacity:0;transform:scale(.3)}60%{transform:scale(1.25)}}
@media (prefers-reduced-motion:reduce){.zb-anim *,.zb-scena *{transition:none!important;animation:none!important}}

/* ---------- cifrele (zerourile ascunse și cele puse înapoi) ---------- */
.zc{font-style:normal;display:inline-block}
.zc.sep{margin-left:.32em}
.zc.ascuns{color:var(--muted);opacity:.55;text-decoration:line-through;text-decoration-thickness:3px}
.zc.inapoi,.zc.zr{color:var(--berry)}

/* stația 2: tabelul ordinelor */
.ot{display:flex;flex-direction:column;gap:6px}
.ot-r{display:grid;grid-template-columns:repeat(4,2.1em) 1fr;gap:4px;align-items:center;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(26px * var(--fs));line-height:1.3}
.ot-r > span:not(.ot-e){text-align:center;border-radius:8px}
.ot-h{font-size:calc(17px * var(--fs))}
.c-m{background:var(--leaf-tint);color:var(--leaf-deep)}
.c-s{background:var(--sky-tint);color:var(--sky)}
.c-z,.c-u{background:var(--paper);color:var(--muted)}
.ot-r:not(.ot-h) .c-z,.ot-r:not(.ot-h) .c-u{opacity:.45;outline:2px dashed var(--muted);outline-offset:-4px}
.ot-e{font-family:"Nunito",system-ui,sans-serif;font-size:calc(17px * var(--fs));padding-left:8px}
.ot-e b{color:var(--leaf-deep)}
.ot-h .ot-e{color:var(--muted)}
.ot-n{margin:6px 0 0;font-size:calc(15px * var(--fs));color:var(--muted)}

/* stația 3: șirul de împărțiri */
.sr{display:flex;flex-direction:column;gap:6px}
.sr-r{margin:0;display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:center;padding:4px 14px;border-radius:10px;background:var(--paper);font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(28px * var(--fs));line-height:1.2}
.sr-f{background:var(--sun-tint)}
.sr-a{text-align:right}
.sr-o{color:var(--muted)}
.sr-b{text-align:left;color:var(--leaf-deep)}
.sr-n{margin:6px 0 0;text-align:center;font-size:calc(17px * var(--fs))}

/* stația 5: ascunde zerourile */
.zh{display:flex;flex-direction:column;gap:8px}
.zh-r{margin:0;display:flex;align-items:center;gap:10px;padding:6px 10px;border-radius:12px;background:var(--paper)}
.zh-f{background:var(--sun-tint)}
.zh-k{flex:0 0 auto;width:1.6em;height:1.6em;border-radius:50%;display:grid;place-items:center;background:var(--sky);color:var(--card);font-size:calc(15px * var(--fs))}
.zh-n,.zh-o{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(30px * var(--fs));line-height:1.1}
.zh-n{min-width:3.4em;text-align:right}
.zh-o{min-width:3.2em;color:var(--ink)}
.zh-x{margin-left:auto;font-size:calc(14px * var(--fs));color:var(--muted);text-align:right}
.zh-t{margin:4px 0 0;text-align:center;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(28px * var(--fs))}
.zh-t b{color:var(--leaf-deep)}

/* stația 7: capcana zeroului din fapt */
.cp{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cp-c{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px;border-radius:12px;background:var(--paper)}
.cp-q{margin:0;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(28px * var(--fs))}
.cp-l{margin:0;font-size:calc(16px * var(--fs));color:var(--muted)}
.cp-no{color:var(--berry);text-decoration:line-through}
.cp-da{color:var(--leaf-deep);font-size:1.15em}
.cp-r{margin:0;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(26px * var(--fs))}
.cp-r b{color:var(--leaf-deep)}
.cp-r s{color:var(--berry);font-size:.75em;margin-left:6px}
.cp-n{grid-column:1/-1;margin:2px 0 0;text-align:center;font-size:calc(16px * var(--fs))}

/* stația 8: împărțitor de două cifre */
.dz{display:flex;flex-direction:column;gap:10px}
.dz-c{padding:8px 12px;border-radius:12px;background:var(--paper);text-align:center}
.dz-q,.dz-r{margin:0;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(26px * var(--fs))}
.dz-l{margin:2px 0;font-size:calc(17px * var(--fs));color:var(--muted)}
.dz-l b{color:var(--sky)}
.dz-r b{color:var(--leaf-deep)}
.dz-n{margin:0;text-align:center;font-size:calc(15px * var(--fs))}

/* stația 9: proba */
.pr{display:flex;flex-direction:column;gap:10px;text-align:center}
.pr-c{padding:8px 12px;border-radius:12px;border:3px solid var(--leaf);background:var(--leaf-tint)}
.pr-c.nu{border-color:var(--berry);background:var(--berry-tint)}
.pr-q{margin:0;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(28px * var(--fs))}
.pr-l{margin:2px 0 0;font-size:calc(18px * var(--fs))}
.pr-l.mic{font-size:calc(15px * var(--fs));color:var(--muted)}
.pr-n{margin:0;padding:6px 12px;border-radius:10px;background:var(--sun-tint);font-size:calc(17px * var(--fs))}

/* stația 10: reguli; stația 13: sfaturi; stația 14: drumul */
.rg,.sf,.dr{display:flex;flex-direction:column;gap:10px}
.rg-x{margin:0;display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;background:var(--sun-tint);font-size:calc(19px * var(--fs))}
.rg-x span{flex:0 0 auto;width:1.6em;height:1.6em;border-radius:50%;display:grid;place-items:center;background:var(--sun);color:var(--on-sun)}
.rg-e{margin:4px 0 0;text-align:center;color:var(--ink);font-size:calc(19px * var(--fs))}
.rg-e b{color:var(--leaf-deep)}
.sf p,.dr-r{margin:0;display:flex;align-items:center;gap:12px;padding:8px 12px;border-radius:12px;background:var(--paper);font-size:calc(19px * var(--fs))}
.sf span,.dr-r span{font-size:1.2em}
.dr-q{margin:0;text-align:center;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(30px * var(--fs))}
.dr-r b{color:var(--leaf-deep)}

/* stația 11: axa numerelor */
.ax svg{display:block;width:100%;height:auto}
.ax-l{stroke:var(--ink);stroke-width:3}
.ax-t{stroke:var(--ink);stroke-width:2}
.ax-n{fill:var(--ink);font:800 17px "Nunito",system-ui,sans-serif;text-anchor:middle}
.ax-c{fill:var(--leaf-deep);font:800 16px "Nunito",system-ui,sans-serif;text-anchor:middle}
.ax-p{fill:var(--berry);stroke:var(--card);stroke-width:2}
.ax-m{fill:var(--berry);font:800 17px "Nunito",system-ui,sans-serif;text-anchor:middle}
.ax-s{stroke:var(--berry);stroke-width:2}
.ax-e{margin:4px 0 0;text-align:center;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(26px * var(--fs))}
.ax-e b{color:var(--leaf-deep)}

/* stația 12: modelul-bandă */
.bd{display:flex;flex-direction:column;gap:6px;text-align:center}
.bd-t{margin:0;font-size:calc(17px * var(--fs));color:var(--muted)}
.bd-b{display:flex;height:calc(44px * var(--fs));border:3px solid var(--sky);border-radius:10px;overflow:hidden}
.bd-s{flex:1;display:grid;place-items:center;background:var(--sky-tint);color:var(--sky);border-right:2px solid var(--sky);font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(22px * var(--fs))}
.bd-s:first-child{background:var(--sun-tint);color:var(--sun-ink)}
.bd-s:last-child{border-right:0}
.bd-ac{border:3px solid var(--leaf);border-top:0;border-radius:0 0 10px 10px;height:14px;position:relative;margin:0 2px 16px}
.bd-ac span{position:absolute;left:50%;top:6px;transform:translateX(-50%);background:var(--card);padding:0 8px;font-size:calc(17px * var(--fs));color:var(--leaf-deep)}
.bd-e{margin:6px 0 0;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(26px * var(--fs))}
.bd-e b{color:var(--leaf-deep)}
.bd-e small{font-size:.6em;color:var(--muted)}

/* ---------- laborator 1: împarte plăcile ---------- */
.pl-top,.zm-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))}
.pl-q,.zm-q{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(26px * var(--fs));color:var(--ink)}
.pl-btns{display:flex;gap:10px;margin-top:8px}
.pl .pl-btns .pl-a{flex:1 1 0;min-width:8em;min-height:calc(48px * var(--fs));padding:6px 10px;font-size:calc(15px * var(--fs));white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.pl-a[data-a="m"]{background:var(--leaf);box-shadow:0 4px 0 var(--leaf-deep);color:var(--on-leaf)}
.pl-a[data-a="x"]{background:var(--berry);box-shadow:0 4px 0 var(--ink);color:var(--card)}
.pl-a[data-a="s"]{background:var(--sky);box-shadow:0 4px 0 var(--ink);color:var(--card)}
.pl-ic{display:inline-block;flex:0 0 auto;border:2px solid var(--card);border-radius:2px}
.pl-ic.m{width:18px;height:18px;background:var(--leaf-tint)} .pl-ic.s{width:13px;height:13px;background:var(--sky-tint)}
.pl-msg,.zm-msg{min-height:1.4em;margin:8px 0 0;font-weight:800;font-size:calc(15px * var(--fs));color:var(--muted)}
.pl-msg.bine,.zm-msg.bine{color:var(--leaf-deep)} .pl-msg.rau,.zm-msg.rau{color:var(--berry)}
.pl-rasp{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:6px}
.pl-rasp[hidden]{display:none}
.pl-sl{font-weight:800;color:var(--muted);font-size:calc(16px * var(--fs))}
.pl-var,.zm-var{display:flex;gap:12px;justify-content:center}
.pl .pl-var .chip,.zm .zm-var .chip{min-width:4.8em;min-height:calc(52px * var(--fs));padding:4px 14px;font-size:calc(22px * var(--fs));font-weight:900;color:var(--ink);border:3px solid var(--stripe);border-radius:14px;box-shadow:0 5px 0 var(--stripe);cursor:pointer;white-space:nowrap}
.pl .pl-var .chip:hover:not(:disabled),.zm .zm-var .chip:hover:not(:disabled){transform:translateY(-2px)}
.pl .pl-var .chip.ales{background:var(--berry);border-color:var(--berry);color:var(--card);box-shadow:0 5px 0 var(--ink);transform:translateY(-3px)}
.pl .pl-var .chip:disabled{opacity:.6;transform:none}
.zm .zm-var .chip.good{border-color:var(--leaf);box-shadow:0 5px 0 var(--leaf-deep)}
.zm .zm-var .chip.bad{border-color:var(--berry);box-shadow:none;opacity:.7}
.pl-act,.zm-act{display:flex;gap:12px;justify-content:space-between;align-items:center;margin-top:12px;padding-top:10px;border-top:2px dashed var(--line)}
.pl-act .verif,.zm-act .verif{margin-left:auto}
.pl-act .verif:disabled,.pl-a:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* ---------- laborator 2: mașina zerourilor ---------- */
.zm-cer{margin:10px 0;font-weight:800;font-size:calc(19px * var(--fs));color:var(--ink);line-height:1.3}
.zm-cif{display:flex;align-items:center;justify-content:center;gap:5px;flex-wrap:wrap;margin:6px 0 2px}
.zm-d{display:inline-flex;align-items:center;justify-content:center;min-width:calc(46px * var(--fs));height:calc(62px * var(--fs));box-sizing:border-box;padding:0 4px;border:3px solid var(--line);border-radius:12px;background:var(--card);color:var(--ink);
  font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(38px * var(--fs));font-weight:800;line-height:1}
.zm-d.sep{margin-left:14px}
button.zm-d.zero{border-color:var(--sky);box-shadow:0 4px 0 var(--sky);cursor:pointer}
button.zm-d.zero:hover{transform:translateY(-2px)}
button.zm-d.zero.ascuns{border-style:dashed;border-color:var(--muted);box-shadow:none;color:var(--muted);transform:translateY(3px);
  background:repeating-linear-gradient(45deg,var(--paper) 0 6px,var(--line) 6px 9px)}
.zm-dd{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(38px * var(--fs));color:var(--ink);margin-left:10px;white-space:nowrap}
.zm-again{margin-top:10px}
.zm-scena{display:flex;flex-direction:column;gap:10px;min-height:250px;justify-content:center}
.zm-l{margin:0;display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:12px;background:var(--paper);font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(32px * var(--fs));line-height:1.1}
.zm-l.ok{background:var(--leaf-tint)}
.zm-k{flex:0 0 4.2em;font-family:"Nunito",system-ui,sans-serif;font-size:calc(14px * var(--fs));color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.zm-n{min-width:3.6em}
.zm-o{color:var(--ink)}
.zm-o b,.zm-c.ok .zm-n{color:var(--leaf-deep)}
.zm-a{margin:0;text-align:center;font-size:calc(16px * var(--fs));color:var(--muted)}
.zm-a b{color:var(--ink)}

/* ---------- laborator 3: 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:zb-pop .4s ease-out}
.an-q{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(36px * var(--fs));font-weight:800;margin:14px 0;color:var(--ink);text-align:center;line-height:1.15}
.an-q.lung{font-size:calc(26px * var(--fs))}
.an-var{justify-content:center;gap:12px}
.an .an-var .chip{font-size:calc(22px * var(--fs));min-width:4.5em;min-height:calc(52px * var(--fs));font-weight:900;border:3px solid var(--stripe);border-radius:14px;box-shadow:0 5px 0 var(--stripe);white-space:nowrap}
.an .an-var .chip.good{border-color:var(--leaf);box-shadow:0 5px 0 var(--leaf-deep)}
.an .an-var .chip.bad{border-color:var(--berry);box-shadow:none}
.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:zb-pop .5s}

/* telefon (pagina se derulează): rândurile planșelor se rup, ca nimic să nu iasă din card */
html.flow .pl .pl-btns .pl-a{min-width:100%}
html.flow .cp{grid-template-columns:1fr}
html.flow .zh-r{flex-wrap:wrap}
html.flow .zh-x{margin-left:0;flex-basis:100%;text-align:left}
html.flow .zm-k{flex-basis:3.6em}
html.flow .zm-d{min-width:calc(36px * var(--fs));height:calc(52px * var(--fs));font-size:calc(30px * var(--fs))}
html.flow .zm-d.sep{margin-left:8px}
html.flow .ot-r{grid-template-columns:repeat(4,1.7em) 1fr}

/* 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}