/* aplicatie.css — stiluri proprii lecției „Proprietățile înmulțirii” (doar variabile de culoare).
   Toate clasele proprii au prefixul pm-, ca să nu se amestece cu edulogia.css. */

/* ---------- cardul planșelor ---------- */
.pm-card{background:var(--card);color:var(--ink);border-radius:12px;padding:10px 14px;text-align:center;font-weight:800}
.pm-eq{margin:6px 0 0;font-family:var(--f-display);font-weight:800;font-size:calc(24px * var(--fs));line-height:1.25;color:var(--ink);white-space:nowrap}
.pm-doua{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:end}
.pm-doua .pm-eq{font-size:calc(21px * var(--fs))}

/* ---------- tabloul de puncte (SVG) ---------- */
.pm-svg{display:block;width:100%;height:auto;max-height:230px;margin:0 auto;font-family:var(--f-display);overflow:visible}
.pm-mic{max-height:170px}
.pm-svg text,.pm-lz-svg text{text-anchor:middle;dominant-baseline:central;font-weight:900}
.pm-k0{fill:var(--sky)} .pm-k1{fill:var(--berry)} .pm-k2{fill:var(--leaf)} .pm-k3{fill:var(--sun-edge)}
.pm-et{font-size:20px;fill:var(--ink)}
.pm-st{fill:var(--leaf-deep)}

/* tabloul care se rotește: s1 = rotit cu 90°; etichetele și textul de sub desen se schimbă cu aceeași clasă */
.pm-rot-rand{display:flex;align-items:center;justify-content:center;gap:10px}
.pm-rot-rand .pm-svg{max-height:200px;width:auto;max-width:100%}
.pm-rot{transition:transform .9s ease-in-out}
.pm-rotc.s1 .pm-rot{transform:rotate(90deg)}
.pm-la,.pm-lb{transition:opacity .4s}
.pm-lb{opacity:0}
.pm-rotc.s1 .pm-la{opacity:0}
.pm-rotc.s1 .pm-lb{opacity:1}
.pm-caps{display:grid;justify-items:center}
.pm-caps>span{grid-area:1/1;transition:opacity .4s}
.pm-cb{opacity:0;color:var(--muted)}
.pm-ca{color:var(--muted)}
.pm-rotc.s1 .pm-ca{opacity:0}
.pm-rotc.s1 .pm-cb{opacity:1}
.pm-egal,.pm-doar-static{display:none!important}
/* fără animații: cele două tablouri stau unul lângă altul, cu „=” între ele */
.pm-rotc.static .pm-egal{display:inline!important;font-family:var(--f-display);font-size:calc(30px * var(--fs));color:var(--muted)}
.pm-rotc.static .pm-doar-static{display:block!important}
.pm-rotc.static .pm-rot-rand .pm-svg{max-height:150px;flex:1 1 0;min-width:0}
.pm-rotc.static .pm-caps{display:flex;justify-content:center;gap:.4em}
.pm-rotc.static .pm-caps>span{opacity:1}
.pm-rotc.static .pm-ca::after{content:" ="}

/* ---------- lăzi cu cutii cu creioane ---------- */
.pm-lz-svg{display:block;width:100%;height:auto;max-height:200px;margin:0 auto;font-family:var(--f-display);overflow:visible}
.pm-lada{fill:var(--sun-tint);stroke:var(--sun-edge);stroke-width:3;transition:fill .4s,stroke .4s}
.pm-lada-l{stroke:var(--sun-edge);stroke-width:2;stroke-dasharray:6 4}
.pm-cutie{fill:var(--card);stroke:var(--sky);stroke-width:2.5;transition:fill .4s,stroke .4s}
.pm-cr rect,.pm-cr path{stroke:var(--ink);stroke-width:.6}
.pm-cn{font-size:19px;fill:var(--ink)}
.pm-nrc circle{fill:var(--sky)}
.pm-nrc text{font-size:12px;fill:var(--card)}
.pm-nrc,.pm-tl{opacity:0;transition:opacity .4s}
.pm-tl{font-size:20px;fill:var(--berry)}
/* s1: întâi cutiile (cutiile se numerotează); s2: întâi o ladă (lada se colorează, apare totalul ei) */
.pm-lzc.s1 .pm-nrc,.pm-lz-des.s1 .pm-nrc{opacity:1}
.pm-lzc.s1 .pm-cutie,.pm-lz-des.s1 .pm-cutie{fill:var(--sky-tint)}
.pm-lzc.s2 .pm-tl,.pm-lz-des.s2 .pm-tl{opacity:1}
.pm-lzc.s2 .pm-lada,.pm-lz-des.s2 .pm-lada{fill:var(--berry-tint);stroke:var(--berry)}
.pm-lzc.static .pm-nrc,.pm-lzc.static .pm-tl{opacity:1}
.pm-pa{color:var(--sky)} .pm-pb{color:var(--berry)}
.pm-caps2{display:grid;justify-items:center}
.pm-caps2>p{grid-area:1/1;opacity:0;transition:opacity .4s}
.pm-lzc.s0 .pm-c0,.pm-lzc.s1 .pm-c1,.pm-lzc.s2 .pm-c2{opacity:1}
.pm-lzc.static .pm-caps2>p{grid-area:auto;opacity:1}
.pm-lzc.static .pm-c0{display:none}
.pm-lzc.static .pm-eq{font-size:calc(20px * var(--fs))}
.pm-c0{color:var(--muted)}

/* ---------- rânduri goale (× 0) ---------- */
.pm-rg{fill:none;stroke:var(--muted);stroke-width:2.5;stroke-dasharray:8 6}
.pm-zero{max-height:200px}
.pm-zero-mic{max-height:150px}

/* stația 11: + 0 față de × 0 */
.pm-cap{align-items:stretch}
.pm-cap>div{display:flex;flex-direction:column;align-items:center;justify-content:space-between;gap:4px}
.pm-cap .pm-eq{font-size:calc(22px * var(--fs));margin:0}
.pm-adun{display:flex;align-items:center;justify-content:center;gap:6px;min-height:90px}
.pm-adun .pm-svg{width:62%;max-height:none}
.pm-adun span{font-family:var(--f-display);font-size:calc(26px * var(--fs));color:var(--muted)}
.pm-adun i{display:inline-block;width:30px;height:30px;border:2.5px dashed var(--muted);border-radius:8px}
.pm-c-ok{color:var(--leaf-deep)} .pm-c-0{color:var(--berry)}

/* stația 7: gruparea comodă, rând cu rând (s1 perechea se aprinde, s2 apare gruparea, s3 rezultatul) */
.pm-gr p{margin:8px 0;font-family:var(--f-display);font-size:calc(30px * var(--fs));line-height:1.2}
.pm-gr-r0{display:flex;align-items:center;justify-content:center;gap:10px}
.pm-f{display:inline-flex;align-items:center;justify-content:center;min-width:2em;height:1.6em;padding:0 8px;border-radius:12px;border:3px solid var(--line);background:var(--card);transition:background .4s,border-color .4s,transform .4s}
.pm-x{color:var(--muted)}
.pm-gr:is(.s1,.s2,.s3) .pm-fm{background:var(--sun-tint);border-color:var(--sun-edge);transform:translateY(-4px)}
.pm-gr-r{transition:opacity .45s}
.pm-gr:not(.s2):not(.s3) .pm-r2,.pm-gr:not(.s3) .pm-r3{opacity:0}
.pm-par{background:var(--sun-tint);border-radius:10px;padding:0 6px}
.pm-rez{color:var(--leaf-deep)}

/* stația 8: perechile magice */
.pm-magic{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pm-mg{display:flex;flex-direction:column;align-items:center;gap:2px;border-radius:12px;background:var(--sun-tint);padding:10px 6px;font-family:var(--f-display)}
.pm-mg span{font-size:calc(24px * var(--fs));color:var(--ink)}
.pm-mg b{font-size:calc(30px * var(--fs));color:var(--leaf-deep)}

/* stația 10: cele patru proprietăți */
.pm-reguli{display:grid;gap:8px;text-align:left}
.pm-reguli p{display:grid;grid-template-columns:2em 1fr auto;align-items:center;gap:8px;margin:0;border-radius:10px;background:var(--sky-tint);padding:6px 10px}
.pm-reguli p:nth-child(2){background:var(--sun-tint)} .pm-reguli p:nth-child(3){background:var(--leaf-tint)} .pm-reguli p:nth-child(4){background:var(--berry-tint)}
.pm-reguli b{font-family:var(--f-display);font-size:calc(19px * var(--fs));color:var(--ink)}
.pm-reguli small{color:var(--muted);font-size:calc(14px * var(--fs))}
.pm-ic{font-size:1.3em}


/* textele care se schimbă: cel vechi dispare întâi, apoi apare cel nou (nu se suprapun) */
.pm-caps>span,.pm-caps2>p{transition:opacity .25s!important}
.pm-rotc:not(.s1) .pm-ca,.pm-rotc.s1 .pm-cb,.pm-lzc.s0 .pm-c0,.pm-lzc.s1 .pm-c1,.pm-lzc.s2 .pm-c2{transition-delay:.25s!important}
.pm-ceas.static .pm-caps>span,.pm-ceas.static .pm-caps2>p{transition:none!important}

/* desenele cu ceas: fără animații, nicio tranziție */
.pm-ceas.static *{transition:none!important}

/* ---------- laboratoare: cadru comun ---------- */
html:not(.flow) .view:has(.pm-lab) .lesson,html:not(.flow) .view:has(.pm-an) .lesson{grid-template-columns:minmax(0,1.6fr) minmax(0,.4fr)}
.pm-lab [hidden]{display:none!important}
.pm-top{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--muted);font-size:calc(14px * var(--fs));margin-bottom:6px}
.pm-dim{color:var(--sky)}
.pm-bar{flex:1;height:10px;background:var(--line);border-radius:99px;overflow:hidden;min-width:40px}
.pm-bar i{display:block;height:100%;background:var(--leaf);transition:width .4s}
.pm-des{background:var(--card);border-radius:12px;padding:6px 10px}
.pm-act{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-top:8px;padding-top:8px;border-top:2px dashed var(--line);width:100%}
.pm-act .pm-urm{margin-left:auto}
.pm-msg{min-height:1.4em;margin:6px 0 0;text-align:center;font-weight:800;color:var(--muted);font-size:calc(16px * var(--fs));line-height:1.3}
.pm-msg.bine{color:var(--leaf-deep)} .pm-msg.rau{color:var(--berry)}
.pm-q{margin:6px 0;text-align:center;font-weight:800;color:var(--ink);font-size:calc(17px * var(--fs))}

/* plăcuțele cu numere: butoane mari, la fel, cu stările clare */
.pm-tiles{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.pm-tiles .chip.pm-t{min-width:calc(76px * var(--fs));min-height:calc(48px * var(--fs));padding:4px 14px;font-family:var(--f-display);font-size:calc(21px * var(--fs));font-weight:900;color:var(--ink);background:var(--card);border:3px solid var(--stripe);border-radius:14px;box-shadow:0 5px 0 var(--stripe);cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.pm-tiles .chip.pm-t:hover:not(:disabled){transform:translateY(-2px)}
.pm-tiles .chip.pm-t.good{opacity:1;background:var(--leaf-tint);border-color:var(--leaf);color:var(--leaf-deep);box-shadow:0 5px 0 var(--leaf)}
.pm-tiles .chip.pm-t.bad{opacity:1;background:var(--berry-tint);border-color:var(--berry);color:var(--berry);animation:pm-shake .45s}
.pm-tiles .chip.pm-t:disabled{cursor:default}
.pm-tiles .chip.pm-t:disabled:not(.good):not(.bad){opacity:.5}

/* ---------- laborator 1: lăzi și cutii ---------- */
.pm-lz-des .pm-lz-svg{max-height:120px}
.pm-fel[data-f="1"]{--stripe:var(--sky)} .pm-fel[data-f="2"]{--stripe:var(--berry)} .pm-fac{--stripe:var(--leaf-deep)}
.pm-feluri{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:8px}
.pm-fel{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:calc(64px * var(--fs));padding:6px 8px;border:3px solid var(--stripe);border-radius:14px;background:var(--card);color:var(--ink);box-shadow:0 5px 0 var(--stripe);font:inherit;cursor:pointer}
.pm-fel:hover:not(:disabled){transform:translateY(-2px)}
.pm-fel:disabled{cursor:default}
.pm-fel-t{font-weight:800;font-size:calc(13px * var(--fs));color:var(--muted)}
.pm-fel-eq{font-family:var(--f-display);font-weight:800;font-size:calc(20px * var(--fs));white-space:nowrap}
.pm-fel[data-f="1"].activ{border-color:var(--sky);background:var(--sky-tint);box-shadow:0 5px 0 var(--sky)}
.pm-fel[data-f="2"].activ{border-color:var(--berry);background:var(--berry-tint);box-shadow:0 5px 0 var(--berry)}
.pm-fel.gata{border-color:var(--leaf);box-shadow:0 5px 0 var(--leaf)}
.pm-gl{display:inline-flex;align-items:center;justify-content:center;min-width:1.5em;height:1.25em;padding:0 4px;border:2.5px dashed var(--sun-edge);border-radius:8px;background:var(--sun-tint);color:var(--sun-ink);vertical-align:middle;line-height:1}
.pm-gl.plin{border-style:solid;border-color:var(--leaf);background:var(--leaf-tint);color:var(--leaf-deep);animation:pm-pop .35s}
.pm-gl.egal{background:var(--leaf);color:var(--on-leaf)}
.pm-lz .pm-ask{margin-top:4px}

/* ---------- laborator 2: perechea magică ---------- */
.pm-expr{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin:10px 0 2px}
.pm-fac{display:inline-flex;align-items:center;justify-content:center;min-width:calc(70px * var(--fs));height:calc(64px * var(--fs));padding:0 12px;border:3px solid var(--stripe);border-radius:16px;background:var(--card);color:var(--ink);box-shadow:0 5px 0 var(--stripe);font-family:var(--f-display);font-size:calc(32px * var(--fs));font-weight:900;cursor:pointer}
.pm-fac:hover:not(:disabled){transform:translateY(-2px)}
.pm-fac.ales{border-color:var(--sky);background:var(--sky-tint);box-shadow:0 5px 0 var(--sky);transform:translateY(-3px)}
.pm-fac.magic{opacity:1;border-color:var(--sun-edge);background:var(--sun);color:var(--on-sun);box-shadow:0 5px 0 var(--sun-edge);animation:pm-pop .4s}
.pm-fac.bad{border-color:var(--berry);background:var(--berry-tint);animation:pm-shake .45s}
.pm-fac:disabled{cursor:default}
.pm-fac:disabled:not(.magic){opacity:.75}
.pm-expr .pm-x{font-family:var(--f-display);font-size:calc(28px * var(--fs));font-weight:900}
.pm-pas2{margin:6px 0 0;min-height:1.3em;text-align:center;font-family:var(--f-display);font-size:calc(26px * var(--fs));font-weight:800;color:var(--ink)}
.pm-p100{color:var(--sun-ink);background:var(--sun-tint);border-radius:8px;padding:0 6px}
.pm-rez-v{color:var(--leaf-deep);background:var(--leaf-tint);border-radius:8px;padding:0 6px;animation:pm-pop .4s}

/* ---------- laborator 3: antrenament ---------- */
.pm-an-q{font-family:var(--f-display);font-size:calc(32px * var(--fs));font-weight:900;margin:16px 0 14px;color:var(--ink);text-align:center}
.pm-gol{display:inline-flex;align-items:center;justify-content:center;min-width:1.6em;height:1.3em;padding:0 6px;vertical-align:middle;border:3px dashed var(--sun-edge);border-radius:10px;background:var(--sun-tint);color:var(--sun-ink);font-weight:900;line-height:1}
.pm-gol.plin{border-style:solid;border-color:var(--leaf);background:var(--leaf-tint);color:var(--leaf-deep);animation:pm-pop .35s}
.pm-serie{transition:transform .2s}
.pm-serie.aprinsa{color:var(--berry);animation:pm-pop .4s ease-out}
.pm-an-final{text-align:center}
.pm-scor{font-family:var(--f-display);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-shake{0%,100%{transform:none}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}

/* telefon */
html.flow .pm-eq{white-space:normal}
html.flow .pm-feluri{grid-template-columns:1fr}
html.flow .pm-fel-eq{white-space:normal}

/* fără animații (accesibilitate): nicio tranziție sau animație proprie */
html.a-still .pm-fac,html.a-still .pm-gl,html.a-still .pm-gol,html.a-still .pm-scor,html.a-still .pm-serie,html.a-still .pm-rez-v,html.a-still .pm-tiles .chip.pm-t,html.a-still .pm-lz-des *{animation:none!important;transition:none!important}
/* mișcare redusă (sistem): la fel; ceasul se oprește din js/aplicatie.js */
@media (prefers-reduced-motion: reduce){
  .pm-ceas *,.pm-lz-des *{transition:none!important}
  .pm-fac,.pm-gl,.pm-gol,.pm-scor,.pm-serie,.pm-rez-v,.pm-tiles .chip.pm-t{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}