/* aplicatie.css — stiluri proprii lecției „Adună trei sau mai multe numere” (doar variabile de culoare).
   Toate clasele proprii au prefixul am- / gr- / c3- / an-, ca să nu se amestece cu edulogia.css. */

/* ---------- cardul planșelor și al laboratoarelor ---------- */
.am-card{background:var(--card);color:var(--ink);border-radius:12px;padding:12px 16px;text-align:center}
.plate .am-card{font-weight:800}
.am-nota{margin:8px 0 0;font-size:calc(15px * var(--fs));font-weight:800;color:var(--muted);line-height:1.35}
.am-nota b{color:var(--ink)}
.am-t{color:var(--berry)!important}
.am-et{margin:4px 0;text-align:left;font-size:calc(14px * var(--fs));color:var(--muted);font-weight:800}

/* ---------- calculul în coloană (școala românească) ----------
   o coloană pe ordin + o coloană pentru semn, la DREAPTA primului număr; linia sub ultimul termen */
.am-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(40px * var(--fs));line-height:1.1;font-variant-numeric:tabular-nums;color:var(--ink);vertical-align:middle}
.am-col>span{display:flex;align-items:center;justify-content:center;box-sizing:border-box;min-width:0}
.am-col.am-mic{font-size:calc(30px * var(--fs))}
.am-h{font-size:.4em;font-weight:900;padding:2px 0;border-radius:6px 6px 0 0;letter-spacing:.02em}
.am-h.am-o0{color:var(--leaf-deep);background:var(--leaf-tint)}
.am-h.am-o1{color:var(--sky);background:var(--sky-tint)}
.am-h.am-o2{color:var(--berry);background:var(--berry-tint)}
.am-col .am-h:empty{background:none}
.am-tr{font-size:.5em;color:var(--berry);height:1.35em;align-items:flex-end!important}
.am-semn{color:var(--berry)}
.am-r{border-top:4px solid var(--ink);min-height:1.1em}
.am-col .am-mii{padding-right:.14em}
.am-r.am-gol::after{content:"";width:.6em;height:.86em;border:2px dashed var(--muted);border-radius:6px;opacity:.7}
.am-act{background:var(--sun-tint)}
.am-ascuns{visibility:hidden}
.am-prop{color:var(--sky)}
.am-ok{color:var(--leaf-deep);animation:am-pop .35s ease-out}
.am-rau{color:var(--berry);animation:am-shake .45s}
.am-urca{animation:am-urca .7s ease-out}
@keyframes am-urca{from{transform:translate(1.6em,7em) scale(1.6);opacity:.2}to{transform:none;opacity:1}}
@keyframes am-pop{0%{transform:scale(.6)}70%{transform:scale(1.15)}100%{transform:none}}
@keyframes am-shake{0%,100%{transform:none}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}

/* ---------- copertă: perechea prietenă se unește (un singur ceas în js/aplicatie.js) ---------- */
.am-cov{padding:22px 14px!important}
.am-gr{display:grid;grid-template-columns:2.3em 1em 2.3em 1em 2.3em;grid-template-rows:auto auto;justify-content:center;align-items:center;row-gap:0;
  font-family:var(--f-display);font-size:calc(46px * var(--fs));line-height:1.1}
html.flow .am-gr{font-size:min(calc(46px * var(--fs)),8.6vw)}
.am-leg{grid-row:1;grid-column:1/6;position:relative;margin:.55em 1.15em 0;height:.7em;border:5px solid var(--sun);border-bottom:0;border-radius:.6em .6em 0 0;transition:opacity .35s}
.am-bula{position:absolute;left:50%;top:0;transform:translate(-50%,-55%);background:var(--sun);color:var(--on-sun);border-radius:999px;padding:0 .35em;font-size:.6em;line-height:1.3;transition:opacity .35s,transform .35s}
.am-nr{grid-row:2;display:flex;align-items:center;justify-content:center;height:1.45em;border-radius:14px;border:3px solid var(--line);background:var(--paper);color:var(--ink);transition:background .3s,border-color .3s,transform .3s}
.am-op{grid-row:2;text-align:center;color:var(--muted)}
.am-cov[data-pas="0"] .am-leg{opacity:0}
.am-cov[data-pas="1"] .am-bula{opacity:0;transform:translate(-50%,-20%) scale(.5)}
.am-cov:not([data-pas="0"]) .am-pa{background:var(--sun-tint);border-color:var(--sun);transform:translateY(-3px)}
.am-cov[data-pas="3"] .am-pb{background:var(--sky-tint);border-color:var(--sky)}
.am-cov-txt{margin:14px 0 0;min-height:2.6em;display:flex;align-items:center;justify-content:center;font-size:calc(19px * var(--fs));font-weight:800;color:var(--muted)}
.am-cov-txt b{color:var(--ink)}

/* ---------- model-bandă (stațiile 1 și 2) ---------- */
.am-banda{display:flex;height:calc(46px * var(--fs));border:3px solid var(--ink);border-radius:8px;overflow:hidden}
.am-seg{display:flex;align-items:center;justify-content:center;min-width:0;font-weight:900;font-size:calc(18px * var(--fs));color:var(--ink);border-right:3px solid var(--ink);box-sizing:border-box}
.am-seg:last-child{border-right:0}
.am-s0{background:var(--sun-tint)} .am-s1{background:var(--sky-tint)} .am-s2{background:var(--leaf-tint)}
.am-acol{position:relative;height:14px;margin:4px 6px 26px;border:3px solid var(--muted);border-top:0;border-radius:0 0 10px 10px}
.am-acol span{position:absolute;left:50%;top:100%;transform:translate(-50%,2px);background:var(--card);padding:0 8px;font-weight:900;font-size:calc(18px * var(--fs));color:var(--ink)}
.am-mobil{position:relative;display:block}
.am-mobil .am-seg{position:absolute;top:0;bottom:0;border-right:0;box-shadow:inset 3px 0 0 var(--ink);transition:left .7s ease-in-out}
.am-mobil .am-seg.am-prim{box-shadow:none}
.am-com .am-nota{min-height:1.4em}

/* stația 3: modelul de arie 10 × 10 */
.am-sute{display:grid;grid-template-columns:repeat(10,1fr);gap:3px;width:min(100%,250px);margin:0 auto}
.am-sute i,.am-leg2 i{display:block;aspect-ratio:1;border-radius:3px;border:2px solid var(--ink);box-sizing:border-box}
.am-c37{background:var(--sun)} .am-c63{background:var(--sky)}
.am-leg2{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:10px;font-size:calc(22px * var(--fs));font-weight:900}
.am-leg2 span{display:inline-flex;align-items:center;gap:6px}
.am-leg2 i{width:18px}
.am-leg2 b{color:var(--muted)}
.am-tot{background:var(--leaf);color:var(--on-leaf);border-radius:10px;padding:0 10px}

/* stația 5: două grupări ale aceleiași sume */
.am-gru{display:grid;gap:10px}
.am-gru-r{display:grid;grid-template-columns:auto auto auto;justify-content:center;align-items:center;column-gap:8px;border-radius:12px;padding:8px 10px;font-size:calc(21px * var(--fs));position:relative}
.am-gru-r em{grid-column:1/-1;font-style:normal;font-size:calc(13px * var(--fs));font-weight:900}
.am-greu{background:var(--berry-tint)} .am-greu em{color:var(--berry)}
.am-usor{background:var(--leaf-tint)} .am-usor em{color:var(--leaf-deep)}
.am-gru-s{color:var(--ink)}

/* stația 11: axa numerelor */
.am-axa{width:100%;height:auto;display:block}
.am-ax-l{stroke:var(--ink);stroke-width:3}
.am-ax-t{stroke:var(--ink);stroke-width:2}
.am-ax-n{fill:var(--muted);font-size:15px;font-weight:800;text-anchor:middle}
.am-ax-s{fill:none;stroke-width:4;stroke-linecap:round}
.am-ax-s0{stroke:var(--sun)} .am-ax-s1{stroke:var(--sky)} .am-ax-s2{stroke:var(--leaf)}
.am-ax-et{font-size:17px;font-weight:900;text-anchor:middle}
.am-ax-e0{fill:var(--sun-ink)} .am-ax-e1{fill:var(--sky)} .am-ax-e2{fill:var(--leaf-deep)}
.am-ax-p{fill:var(--berry)}
.am-ax-ex{fill:var(--card);stroke:var(--ink);stroke-width:1.5}
.am-ax-r{fill:var(--berry);font-size:16px;font-weight:900;text-anchor:middle}

/* 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(.gr,.c3,.an) .lesson{grid-template-columns:minmax(0,1.5fr) minmax(0,.5fr)}
html:not(.flow) .view:has(.gr,.c3,.an) .emoji-plansa{font-size:5em;padding:10px 0}

/* ---------- laborator: grupează isteț ---------- */
.gr{display:grid;gap:8px}
.gr-top,.c3-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))}
.gr-pct{display:flex;gap:6px}
.gr-pct i{width:26px;height:8px;border-radius:99px;background:var(--line)}
.gr-pct i.acum{background:var(--sun)} .gr-pct i.gata{background:var(--leaf)}
.gr-titlu{margin:0;font-weight:800;font-size:calc(17px * var(--fs));color:var(--ink)}
.gr-titlu b{color:var(--berry)}
/* masa cu numere: toate plăcuțele au aceeași înălțime și stau pe aceeași linie */
.gr-masa{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;min-height:calc(86px * var(--fs));padding:10px;border:2px dashed var(--line);border-radius:14px}
html.flow .gr-masa{gap:6px;padding:8px}
html.flow .gr .gr-nr{min-width:calc(62px * var(--fs));font-size:calc(26px * var(--fs))}
.gr-plus{font-family:var(--f-display);font-size:calc(28px * var(--fs));font-weight:900;color:var(--muted)}
.gr .gr-nr{height:calc(60px * var(--fs));min-width:calc(78px * var(--fs));padding:0 12px;display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--f-display);font-size:calc(30px * var(--fs));font-weight:800;color:var(--ink);background:var(--card);border:3px solid var(--stripe);border-radius:14px;box-shadow:0 5px 0 var(--stripe);cursor:pointer}
.gr .gr-nr:hover{transform:translateY(-2px)}
.gr .gr-nr.ales{background:var(--sun);border-color:var(--sun-edge);color:var(--on-sun);box-shadow:0 5px 0 var(--sun-edge);transform:translateY(-4px)}
.gr .gr-nr.rau{animation:am-shake .45s;border-color:var(--berry)}
.gr .gr-nr:disabled{cursor:default;transform:none}
.gr-pereche{height:calc(60px * var(--fs));display:inline-flex;align-items:center;gap:6px;padding:0 12px;border:3px solid var(--leaf);border-radius:16px;background:var(--leaf-tint);box-sizing:border-box;
  font-family:var(--f-display);font-size:calc(26px * var(--fs));font-weight:800;color:var(--ink)}
.gr-pereche b{display:inline-block;position:relative;z-index:1}
.gr-pereche i{font-style:normal;color:var(--muted)}
.gr-pereche em{font-style:normal;color:var(--card);background:var(--leaf-deep);border-radius:10px;padding:0 8px;font-size:.85em}
.gr-pereche.nou em{animation:am-pop .45s .45s ease-out both}
.gr-jos{min-height:calc(56px * var(--fs));display:grid;gap:6px;align-content:center}
.gr-info{margin:0;text-align:center;font-weight:800;color:var(--muted)}
.gr-info b{color:var(--leaf-deep)}
.gr-expr{margin:0;text-align:center;font-family:var(--f-display);font-size:calc(26px * var(--fs));font-weight:800;color:var(--ink)}
.gr-gol{display:inline-block;min-width:2.6em;border-bottom:3px dashed var(--leaf);color:var(--muted)}
.gr-gol.plin{border-bottom-style:solid;color:var(--leaf-deep);animation:am-pop .35s}
.gr-var{justify-content:center;gap:10px}
.gr .gr-var .chip{min-width:5.5em;min-height:calc(46px * var(--fs));font-size:calc(19px * var(--fs));border-width:3px;border-radius:14px}
.gr .gr-var .chip.ales,.c3 .chip.ales{background:var(--sky);border-color:var(--sky);color:var(--card);box-shadow:0 4px 0 var(--ink);transform:translateY(-2px)}
.gr-act,.c3-act{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;padding-top:8px;border-top:2px dashed var(--line)}
.gr-act .verif,.gr-act .gr-next,.c3-act .verif{margin-left:auto}
.gr-act .verif:disabled,.c3-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* ---------- laborator: coloana cu trei termeni ---------- */
.c3{display:grid;gap:8px}
.c3-tot{color:var(--sky)}
.c3-main{display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;align-items:center}
html.flow .c3-main{grid-template-columns:minmax(0,1fr)}
.c3-col{border:2px solid var(--line);padding:4px 10px}
.c3-col .am-col{font-size:calc(31px * var(--fs))}
.c3-dr{display:grid;gap:4px}
.c3-ex{margin:0 0 4px;text-align:center;font-weight:800;font-size:calc(17px * var(--fs));min-height:1.4em;color:var(--ink)}
.c3-pad{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}
.c3-trs{display:flex;gap:10px}
.c3 .chip.c3-d,.c3 .chip.c3-t{display:flex;align-items:center;justify-content:center;min-height:calc(42px * var(--fs));padding:0;font-family:var(--f-display);font-size:calc(21px * var(--fs));color:var(--ink);border:3px solid var(--line);border-radius:12px;box-shadow:0 4px 0 var(--line);cursor:pointer}
.c3 .chip.c3-t{flex:1;border-color:var(--berry-tint);color:var(--berry)}
.c3 .chip.c3-d:hover,.c3 .chip.c3-t:hover{border-color:var(--sky)}
.c3 .chip.c3-t.ales{background:var(--berry);border-color:var(--berry)}
.c3 .chip:disabled{opacity:.45;transform:none}
.c3-urc{margin-top:4px}
.c3-urc.c3-ascuns{visibility:hidden}

/* ---------- 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:am-pop .4s ease-out}
.an-enunt{min-height:calc(120px * var(--fs));display:grid;align-content:center;justify-items:center;gap:4px}
.an-cer{margin:0;font-weight:800;color:var(--muted)}
.an-col{border:2px solid var(--line);padding:4px 10px}
.an-col .am-col{font-size:calc(28px * var(--fs))}
.an-q{font-family:var(--f-display);font-size:calc(30px * var(--fs));font-weight:800;margin:8px 0;color:var(--ink);text-align:center}
.an-q .gol{display:inline-block;min-width:2.4em;border-bottom:3px dashed var(--leaf);text-align:center;color:var(--muted)}
.an-q .gol.plin{border-bottom-style:solid;color:var(--leaf-deep);animation:am-pop .35s}
.an-var{justify-content:center;gap:10px}
.an .an-var .chip{font-size:calc(19px * var(--fs));min-width:5.5em;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-scor{font-family:var(--f-display);font-size:calc(54px * var(--fs));color:var(--leaf-deep);animation:am-pop .5s}

/* exercițiul „multi”: butonul Verifică stă separat de opțiuni, în dreapta, sub o linie punctată */
.task .chips + .grp{justify-content:flex-end;margin-top:12px;padding-top:10px;border-top:2px dashed var(--line)}

/* mișcare redusă (sistem): animațiile decorative se opresc; coperta și stația 2 sunt oprite din js/aplicatie.js */
@media (prefers-reduced-motion: reduce){
  .am-ok,.am-rau,.am-urca,.gr-gol,.gr-pereche em,.gr-nr,.an-scor,.an-serie,.an-q .gol,.am-mobil .am-seg,.am-leg,.am-bula,.am-nr{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}