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

/* ---------- cardul planșelor ---------- */
.pd-card{background:var(--card);color:var(--ink);border-radius:12px;padding:10px 14px;text-align:center;font-weight:800}

/* ---------- tabloul de puncte (SVG) ---------- */
.pd-svg{display:block;width:100%;height:auto;max-height:240px;margin:0 auto;font-family:var(--f-display);overflow:visible}
.pd-svg text{text-anchor:middle;dominant-baseline:central;font-weight:900}
.pd-g0 circle{fill:var(--sky)}
.pd-g1 circle,.pd-gx circle{fill:var(--berry)}
.pd-cut{stroke:var(--ink);stroke-width:3.5;stroke-dasharray:7 5;stroke-linecap:round}
.pd-et{font-size:20px}
.pd-mic .pd-et{font-size:22px}
.pd-e0{fill:var(--sky)} .pd-e1{fill:var(--berry)} .pd-ez{fill:var(--leaf-deep)}
.pd-st{fill:var(--leaf-deep)}
.pd-et-t{fill:var(--ink)}
.pd-acol{fill:none;stroke:var(--muted);stroke-width:2}
.pd-sb{font-size:19px}
.pd-plus{font-size:30px;fill:var(--ink)}
/* scăderea: coloana ștearsă rămâne doar conturată */
.pd-sterge .pd-g1 circle{fill:transparent;stroke:var(--berry);stroke-width:1.6;stroke-dasharray:3 2}

/* egalitatea de sub desen */
.pd-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}
.pd-eq-m{font-size:calc(19px * var(--fs))}
.pd-c0{color:var(--sky)} .pd-c1{color:var(--berry)}
.pd-doua{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:end}
.pd-doua .pd-eq-m:first-child{margin:0 0 4px}

/* ---------- desenele animate: un singur ceas (js/aplicatie.js) pune clasele f1, f2, f3 ---------- */
.pd-ceas circle{transition:fill .5s,stroke .5s}
.pd-ceas .pd-g1,.pd-ceas .pd-cutg{transition:transform .6s ease}
.pd-ceas .pd-cut,.pd-ceas .pd-etp,.pd-ceas .pd-tot,.pd-ceas .pd-plus,.pd-ceas .pd-r1,.pd-ceas .pd-r2,.pd-ceas .pd-r3{transition:opacity .45s}
.pd-ceas:not(.f1) .pd-r1,.pd-ceas:not(.f2) .pd-r2,.pd-ceas:not(.f3) .pd-r3{opacity:0}
/* tabloul tăiat: f1 apare linia, f2 bucățile se colorează și se depărtează */
.pd-sep:not(.f1) .pd-cut{opacity:0}
.pd-sep:not(.f2) .pd-g1 circle{fill:var(--sky)}
.pd-sep:not(.f2) .pd-etp{opacity:0}
.pd-sep.f2 .pd-g1{transform:translateX(var(--g))}
.pd-sep.f2 .pd-cutg{transform:translateX(calc(var(--g) / 2))}
/* ștergerea unei coloane: f1 coloana se aprinde, f2 se șterge */
.pd-sterge:not(.f1) .pd-cut,.pd-sterge:not(.f1) .pd-etp{opacity:0}
.pd-ceas.pd-sterge:not(.f1) .pd-g1 circle{fill:var(--sky);stroke:transparent}
.pd-ceas.pd-sterge.f1:not(.f2) .pd-g1 circle{fill:var(--berry);stroke:transparent}
/* lipirea tablourilor: la început sunt depărtate, cu „+” între ele; f1 se lipesc, f2 apare acolada cu 10 */
.pd-lipeste .pd-cut{stroke-width:2;stroke-dasharray:3 4;opacity:.6}
.pd-lipeste .pd-plus{opacity:0}
.pd-lipeste:not(.f1) .pd-g1{transform:translateX(var(--g))}
.pd-lipeste:not(.f1) .pd-plus{opacity:1}
.pd-lipeste:not(.f1) .pd-cut{opacity:0}
.pd-lipeste:not(.f2) .pd-tot{opacity:0}
/* fără animații: starea completă, fără tranziții */
.pd-ceas.static *{transition:none!important}

/* ---------- săgețile distribuției (stația 2) ---------- */
.pd-sag{display:block;width:100%;max-width:400px;height:auto;margin:0 auto;font-family:var(--f-display);overflow:visible}
.pd-tk{font-size:40px;font-weight:900;text-anchor:middle;fill:var(--ink)}
.pd-tk.pd-tm{fill:var(--muted)}
.pd-tk.pd-e0{fill:var(--sky)} .pd-tk.pd-e1{fill:var(--berry)}
.pd-arc{fill:none;stroke-width:3.5;stroke-linecap:round}
.pd-arc.pd-a0,.pd-arc.pd-e0{stroke:var(--sky)} .pd-arc.pd-a1,.pd-arc.pd-e1{stroke:var(--berry)}
.pd-v0,.pd-v.pd-e0{fill:var(--sky)} .pd-v1,.pd-v.pd-e1{fill:var(--berry)}

/* ---------- axa numerelor ---------- */
.pd-axa{display:block;width:100%;max-width:380px;height:auto;margin:0 auto;font-family:var(--f-display);overflow:visible}
.pd-ax{stroke:var(--ink);stroke-width:2.5}
.pd-tick{stroke:var(--ink);stroke-width:2}
.pd-tick.pd-tz{stroke-width:3.5}
.pd-tn{font-size:17px;font-weight:800;text-anchor:middle;dominant-baseline:central;fill:var(--muted)}
.pd-tn.pd-e0{fill:var(--sky)} .pd-tn.pd-e1{fill:var(--berry)} .pd-tn.pd-ez{fill:var(--leaf-deep)}
.pd-semn{font-size:19px}
.pd-ptz{fill:var(--leaf)}
.pd-pt.pd-e0{fill:var(--sky)} .pd-pt.pd-e1{fill:var(--berry)}
.pd-doua-axe{align-items:center;margin-bottom:4px}

/* ---------- laboratoare: cadru comun ---------- */
/* coloana exercițiului e mai lată la laboratoare */
html:not(.flow) .view:has(.pd-lab) .lesson,html:not(.flow) .view:has(.pd-an) .lesson{grid-template-columns:minmax(0,1.55fr) minmax(0,.45fr)}
.pd-lab [hidden]{display:none!important}
.pd-top{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--muted);font-size:calc(14px * var(--fs));margin-bottom:6px}
.pd-dim{margin-left:auto;color:var(--sky)}
.pd-bar{flex:1;height:10px;background:var(--line);border-radius:99px;overflow:hidden}
.pd-bar i{display:block;height:100%;background:var(--leaf);transition:width .4s}
.pd-des{background:var(--card);border-radius:12px;padding:6px 10px}
.pd-des .pd-svg{max-height:138px}
.pd-made{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;min-height:26px;margin-top:6px}
.pd-gata{background:var(--leaf-tint);color:var(--leaf-deep);border:2px solid var(--leaf);border-radius:999px;padding:1px 10px;font-weight:800;font-size:calc(14px * var(--fs));animation:pd-pop .35s ease-out}
/* butoanele de jos: separate de plăcuțe, cu roluri diferite */
.pd-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%}
.pd-act .verif,.pd-act .pd-urm{margin-left:auto}
.pd-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.pd-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}
.pd-msg.bine{color:var(--leaf-deep)} .pd-msg.rau{color:var(--berry)}
.pd-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}
.pd-gol.plin{border-style:solid;border-color:var(--leaf);background:var(--leaf-tint);color:var(--leaf-deep);animation:pd-pop .35s}

/* plăcuțele cu numere și scrieri: butoane mari, la fel, cu stările clare */
.pd-tiles{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.pd-tiles .chip.pd-t{min-width:calc(76px * var(--fs));min-height:calc(50px * 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}
.pd-tiles .chip.pd-t:hover:not(:disabled){transform:translateY(-2px)}
.pd-tiles .chip.pd-t.ales{background:var(--sky-tint);border-color:var(--sky);box-shadow:0 5px 0 var(--sky)}
.pd-tiles .chip.pd-t.good{opacity:1;background:var(--leaf-tint);border-color:var(--leaf);color:var(--leaf-deep);box-shadow:0 5px 0 var(--leaf)}
.pd-tiles .chip.pd-t.bad{opacity:1;background:var(--berry-tint);border-color:var(--berry);color:var(--berry);animation:pd-shake .45s}
.pd-tiles .chip.pd-t:disabled{cursor:default}
.pd-tiles .chip.pd-t:disabled:not(.good):not(.ales):not(.bad){opacity:.5}

/* ---------- laborator 1: foarfeca tabloului ---------- */
.pd-fo-ic{font-size:22px;fill:var(--ink)}
.pd-fo-svg circle{fill:var(--sky);transition:fill .3s}
.pd-fo-svg circle.pd-c1{fill:var(--berry)}
.pd-fo-svg .pd-mob{transition:transform .3s ease}
.pd-fo-svg .pd-et{font-size:24px}
.pd-fo-rand{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:6px;flex-wrap:wrap}
.pd-muta{display:flex;align-items:center;justify-content:center;gap:10px}
.pd-muta .btn{min-width:calc(56px * var(--fs));min-height:calc(48px * var(--fs));font-size:calc(22px * var(--fs))}
.pd-muta .btn:disabled{opacity:.4;box-shadow:none;cursor:not-allowed}
.pd-poz{display:inline-flex;align-items:center;gap:6px;height:calc(48px * var(--fs));padding:0 14px;border-radius:12px;background:var(--sky-tint);color:var(--ink);font-family:var(--f-display);font-size:calc(22px * var(--fs));font-weight:900}
.pd-calc{background:var(--card);border:2px solid var(--line);border-radius:12px;padding:4px 14px;text-align:center}
.pd-calc .pd-eq{margin:0;font-size:calc(21px * var(--fs))}
.pd-tot-v{display:inline-block;background:var(--leaf-tint);color:var(--leaf-deep);border-radius:8px;padding:0 8px}
.pd-tot-v.pd-sclip{animation:pd-pop .45s}

/* ---------- laborator 2: calcul mental ---------- */
.pd-cm-q{margin:4px 0 8px;text-align:center;font-family:var(--f-display);font-size:calc(32px * var(--fs));font-weight:900;color:var(--ink)}
.pd-cm-pas{border:2px solid var(--line);border-radius:12px;padding:6px 10px 10px;margin-top:8px}
.pd-cm-pas.on{border-color:var(--sun-edge);background:var(--sun-tint)}
.pd-cm-pas.gata{padding:6px 10px;background:var(--leaf-tint);border-color:var(--leaf)}
.pd-cm-pas.gata .pd-cm-et{margin:0}
.pd-cm-pas.gata .pd-nrp{background:var(--leaf);color:var(--on-leaf)}
.pd-cm-et{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:0 0 8px;font-weight:800;color:var(--ink);font-size:calc(16px * var(--fs))}
.pd-cm-et b{font-family:var(--f-display);font-size:calc(19px * var(--fs))}
.pd-nrp{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:var(--sun);color:var(--on-sun);font-weight:900;flex:0 0 26px}
.pd-scr .chip.pd-t{font-size:calc(19px * var(--fs))}

/* ---------- laborator 3: antrenament ---------- */
.pd-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}
.pd-serie{transition:transform .2s}
.pd-serie.aprinsa{color:var(--berry);animation:pd-pop .4s ease-out}
.pd-an-final{text-align:center}
.pd-scor{font-family:var(--f-display);font-size:calc(54px * var(--fs));color:var(--leaf-deep);animation:pd-pop .5s}

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

/* telefon */
html.flow .pd-eq{white-space:normal}
html.flow .pd-doua{grid-template-columns:1fr}

/* mișcare redusă (sistem): animațiile decorative se opresc; ceasul se oprește din js/aplicatie.js */
@media (prefers-reduced-motion: reduce){
  .pd-ceas *,.pd-fo-svg *{transition:none!important}
  .pd-gol,.pd-gata,.pd-scor,.pd-serie,.pd-tot-v,.pd-tiles .chip.pd-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}