/* aplicatie.css — stiluri proprii lecției „Adună două numere cu mai multe cifre” (doar variabile de culoare).
   Toate clasele proprii au prefixul ac- / acl- / ace- / an-, ca să nu se amestece cu edulogia.css. */

/* ---------- cardul planșelor și al laboratoarelor ---------- */
.ac-card{background:var(--card);color:var(--ink);border-radius:12px;padding:12px 16px;text-align:center}
.plate .ac-card{font-weight:800}
.ac-nota{margin:8px 0 0;font-size:calc(15px * var(--fs));font-weight:800;color:var(--muted);line-height:1.3}
.ac-nota b{color:var(--ink)}
.ac-leg{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:10px}
.ac-leg span{background:var(--sun-tint);color:var(--ink);border-radius:999px;padding:3px 12px;font-size:calc(14px * var(--fs));font-weight:800}
.ac-leg b{color:var(--berry)}

/* ---------- calculul în coloană (școala românească) ----------
   o coloană pe ordin + o coloană pentru semn, la DREAPTA primului număr; linia sub al doilea număr */
.ac-col{--w:1.1em;display:inline-grid;grid-template-columns:repeat(var(--n),var(--w)) var(--w);
  font-family:var(--f-display);font-weight:800;font-size:calc(42px * var(--fs));line-height:1.12;font-variant-numeric:tabular-nums;color:var(--ink);vertical-align:middle}
.ac-col>span{display:flex;align-items:center;justify-content:center;box-sizing:border-box;min-width:0}
.ac-col.ac-mic{font-size:calc(28px * var(--fs))}
.ac-h{font-size:.4em;font-weight:900;padding:2px 0;border-radius:6px 6px 0 0;letter-spacing:.02em}
.ac-h.ac-o0{color:var(--leaf-deep);background:var(--leaf-tint)}
.ac-h.ac-o1{color:var(--sky);background:var(--sky-tint)}
.ac-h.ac-o2{color:var(--berry);background:var(--berry-tint)}
.ac-col .ac-h:empty{background:none}
.ac-tr{font-size:.5em;color:var(--berry);height:1.35em;align-items:flex-end!important}
.ac-semn{color:var(--berry)}
.ac-r{border-top:4px solid var(--ink);min-height:1.12em}
.ac-col .ac-mii{padding-right:.14em}                     /* mic spațiu între clasa miilor și clasa unităților */
.ac-r.ac-gol::after{content:"";width:.6em;height:.86em;border:2px dashed var(--muted);border-radius:6px;opacity:.7}
.ac-act{background:var(--sun-tint)}
.ac-ascuns{visibility:hidden}
.ac-nev{color:transparent!important}
.ac-prop{color:var(--sky)}
.ac-ok{color:var(--leaf-deep);animation:ac-pop .35s ease-out}
.ac-rau{color:var(--berry);animation:ac-shake .45s}
.ac-urca{animation:ac-urca .7s ease-out}
.ac-sag{font-size:calc(28px * var(--fs));color:var(--muted);font-weight:900}
@keyframes ac-urca{from{transform:translate(2.2em,6.5em) scale(1.6);opacity:.2}to{transform:none;opacity:1}}
@keyframes ac-pop{0%{transform:scale(.6)}70%{transform:scale(1.15)}100%{transform:none}}
@keyframes ac-shake{0%,100%{transform:none}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}

/* copertă: un singur ceas (js/aplicatie.js) luminează coloana, scrie cifra, urcă transportul și schimbă textul */
.ac-cov{padding:18px 14px!important}
.ac-cov .ac-col{font-size:calc(52px * var(--fs))}
.ac-cov .ac-col>span{transition:background .25s,color .25s}
.ac-cov-txt{margin:12px 0 0;min-height:2.7em;display:flex;align-items:center;justify-content:center;font-size:calc(18px * var(--fs));font-weight:800;color:var(--muted)}
.ac-cov-txt b{color:var(--ink)}
.acl-t{color:var(--berry)}

/* stația 1: tabelul ordinelor */
.ac-ord{display:grid;grid-template-columns:repeat(5,1fr);gap:6px 8px;align-items:center}
.ac-cls{font-size:calc(13px * var(--fs));color:var(--muted);border-bottom:2px solid var(--line);padding-bottom:3px}
.ac-oh{border-radius:8px;padding:4px 0;font-size:calc(16px * var(--fs));font-weight:900}
.ac-oh.ac-o0{background:var(--leaf-tint);color:var(--leaf-deep)}
.ac-oh.ac-o1{background:var(--sky-tint);color:var(--sky)}
.ac-oh.ac-o2{background:var(--berry-tint);color:var(--berry)}
.ac-ord b{font-family:var(--f-display);font-size:calc(46px * var(--fs));line-height:1.05}
.ac-ord b.ac-o0{color:var(--leaf-deep)} .ac-ord b.ac-o1{color:var(--sky)} .ac-ord b.ac-o2{color:var(--berry)}
.ac-ord small{font-size:calc(14px * var(--fs));color:var(--muted);font-weight:800}

/* stația 4: 10 unități se strâng într-o zece */
.ac-cuburi{margin-bottom:6px}
.ac-ec{margin:2px 0;font-size:calc(17px * var(--fs))}
.ac-ec b{color:var(--berry)}
.ac-cub-row{display:flex;justify-content:center;align-items:flex-start;gap:16px;margin:8px 0 26px}
.ac-zece,.ac-rest{position:relative;display:inline-flex;gap:5px;padding:3px;border:3px dashed transparent;border-radius:6px;transition:gap .5s,border-color .5s}
.ac-cub{display:inline-block;width:calc(17px * var(--fs));height:calc(17px * var(--fs));border-radius:3px;border:2px solid var(--ink);box-sizing:border-box}
.ac-cub.g{background:var(--sun)} .ac-cub.a{background:var(--sky)}
.ac-zece em,.ac-rest em{position:absolute;left:0;right:0;top:calc(100% + 3px);font-style:normal;font-size:calc(13px * var(--fs));white-space:nowrap;color:var(--muted)}
.ac-zece em{opacity:0;transition:opacity .4s;color:var(--leaf-deep)}
.grupat .ac-zece{gap:0;border-color:var(--leaf-deep);border-style:solid}
.grupat .ac-zece em{opacity:1}

/* stația 10: adunarea și proba, una lângă alta */
.ac-proba-r,.ace-proba{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap}

/* stațiile-laborator: laboratorul primește mai mult loc, planșa rămâne mică (doar pe scenă; pe telefon totul e pe o coloană) */
html:not(.flow) .view:has(.acl,.ace,.an) .lesson{grid-template-columns:minmax(0,1.45fr) minmax(0,.55fr)}
html:not(.flow) .view:has(.acl,.ace,.an) .emoji-plansa{font-size:5em;padding:10px 0}

/* ---------- laborator: adunarea pas cu pas ---------- */
.acl-main{display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;align-items:center}
.acl-dr{display:grid;gap:10px}
html.flow .acl-main{grid-template-columns:minmax(0,1fr)}
.acl{display:grid;gap:8px}
.acl-top,.ace-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))}
.acl-tot{color:var(--sky)}
.acl-col{border:2px solid var(--line);padding:6px 10px}
.acl-col .ac-col{font-size:calc(36px * var(--fs))}
.acl-ex{margin:0;text-align:center;font-weight:800;font-size:calc(17px * var(--fs));min-height:1.4em;color:var(--ink)}
.acl-ex b{color:var(--ink)}
.acl-pad{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}
.acl .acl-pad .chip.acl-d{display:flex;align-items:center;justify-content:center;min-height:calc(46px * var(--fs));padding:0;font-family:var(--f-display);font-size:calc(22px * var(--fs));color:var(--ink);border:3px solid var(--line);border-radius:12px;box-shadow:0 4px 0 var(--line);cursor:pointer}
.acl .acl-pad .chip.acl-d:hover{border-color:var(--sky)}
.acl .acl-pad .chip.acl-d.ales{background:var(--sky);border-color:var(--sky);color:var(--card);box-shadow:0 4px 0 var(--ink);transform:translateY(-2px)}
.acl .acl-pad .chip.acl-d:disabled{opacity:.45;transform:none}
.acl-act,.ace-act{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;padding-top:8px;border-top:2px dashed var(--line)}
.acl-act .verif{margin-left:auto}
.acl-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* ---------- laborator: estimează și verifică ---------- */
.ace{display:grid;gap:8px}
.ace-pct{display:flex;gap:6px}
.ace-pct i{width:26px;height:8px;border-radius:99px;background:var(--line)}
.ace-pct i.acum{background:var(--sun)} .ace-pct i.gata{background:var(--leaf)}
.ace-titlu{margin:0;font-weight:800;font-size:calc(17px * var(--fs));color:var(--ink)}
.ace-sus{border:2px solid var(--line);padding:8px 12px}
.ace-expr{margin:4px 0;font-family:var(--f-display);font-size:calc(32px * var(--fs));color:var(--ink)}
.ace-gol{display:inline-block;min-width:3em;border-bottom:3px dashed var(--leaf);color:var(--muted)}
.ace-gol.plin{border-bottom-style:solid;color:var(--leaf-deep);animation:ac-pop .35s}
.ace-var{justify-content:center;gap:10px}
.ace .ace-var .chip{min-width:6.5em;min-height:calc(48px * var(--fs));font-size:calc(19px * var(--fs));border-width:3px;border-radius:14px}
.ace-msg{margin:0;min-height:1.4em;text-align:center;font-weight:800;color:var(--ink)}
.ace-msg.bine{color:var(--leaf-deep)}
.ace-foot{display:flex;align-items:center;gap:12px;min-height:calc(50px * var(--fs));padding-top:8px;border-top:2px dashed var(--line)}
.ace-foot .ace-msg{flex:1;text-align:left}
.ace-act{border:0;padding:0;justify-content:flex-end}

/* ---------- laborator: antrenament rapid ---------- */
.an{display:grid;gap:8px}
.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:ac-pop .4s ease-out}
.an-col{border:2px solid var(--line);padding:6px 10px}
.an-col .ac-col{font-size:calc(34px * var(--fs))}
.an-var{justify-content:center;gap:10px}
.an .an-var .chip{font-size:calc(19px * var(--fs));min-width:6.5em;min-height:calc(46px * var(--fs));border-width:3px;border-radius:14px}
.an-msg{min-height:1.4em;margin: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-q{font-size:calc(24px * var(--fs));font-weight:800;margin:8px 0;color:var(--ink)}
.an-scor{font-family:var(--f-display);font-size:calc(54px * var(--fs));color:var(--leaf-deep);animation:ac-pop .5s}

/* mișcare redusă (sistem): animațiile decorative se opresc; coperta și stația 4 sunt oprite din js/aplicatie.js */
@media (prefers-reduced-motion: reduce){
  .ac-ok,.ac-rau,.ac-urca,.ace-gol,.an-scor,.an-serie,.ac-zece,.ac-zece em,.ac-cov .ac-col>span{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}