/* aplicatie.css — stiluri proprii lecției „Două numere după sumă și produs” (doar variabile de culoare).
   Prefixe: sp- (comune), ti- (tabelul încercărilor), dr- (dreptunghiuri), br- (bare), ps-/dc-/fs- (planșe),
   fa- (factori), gh- (ghicește-mă), an- (antrenament). */

/* ---------- planșe desenate ---------- */
.plate .ti-anim,.plate .ti-lab,.plate .dr-card,.plate .br-card,.plate .sp-card,.plate .ps-card,.plate .dc-card,.plate .fs-card,.plate .fa-lab,.plate .gh-lab{
  background:var(--card);color:var(--ink);border-radius:12px;padding:16px;font-weight:800}

/* tabelul încercărilor (copertă + stația 4): rânduri aliniate pe coloane, rândul bun se aprinde */
.ti-cer{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:12px}
.ti-cer span{display:inline-flex;align-items:center;gap:6px;background:var(--sun-tint);border:2px solid var(--sun);border-radius:999px;padding:3px 14px;font-size:calc(18px * var(--fs))}
.ti-cer b{font-family:"Baloo 2",system-ui,sans-serif;font-size:1.25em;color:var(--berry)}
.ti-tab{display:grid;gap:6px}
.ti-row{display:grid;grid-template-columns:.8fr .9fr 1.5fr 1.5fr;align-items:center;gap:6px;border:2px solid var(--line);border-radius:12px;padding:6px 8px;font-size:calc(19px * var(--fs));text-align:center;background:var(--card);transition:opacity .4s,transform .4s,background .3s,border-color .3s}
.ti-row > span{display:flex;align-items:center;justify-content:center;min-height:1.6em}
.ti-row b{font-family:"Baloo 2",system-ui,sans-serif;font-size:1.15em;margin-left:.25em;color:var(--sky)}
.ti-row.ti-h{border:0;background:none;padding:0 8px;font-size:calc(13px * var(--fs));color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.ti-row.asteapta{border-style:dashed}
.ti-row.asteapta b{color:var(--muted)}
.ti-row.aprins{background:var(--leaf);border-color:var(--leaf-deep);color:var(--on-leaf);transform:scale(1.03)}
.ti-row.aprins b{color:var(--on-leaf)}
.ti-row.nou{animation:ti-in .45s ease-out}
.ti-row.ascuns,.ti-gasit.ascuns{opacity:0;transform:translateY(-8px)}
.ti-gasit{margin:12px 0 0;text-align:center;font-size:calc(19px * var(--fs));color:var(--leaf-deep);transition:opacity .4s,transform .4s}
.ti-anim .ti-gasit b{color:var(--berry)}
.ti-anim.static .ti-row,.ti-anim.static .ti-gasit{transition:none}
@keyframes ti-in{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}

/* stația 1: două numere, două rezultate */
.sp-card{text-align:center}
.sp-nr{display:flex;gap:18px;justify-content:center;margin-bottom:14px}
.sp-nr b{display:inline-flex;align-items:center;justify-content:center;width:calc(70px * var(--fs));height:calc(70px * var(--fs));border-radius:16px;background:var(--sun);color:var(--on-sun);box-shadow:0 5px 0 var(--sun-edge);font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(40px * var(--fs))}
.sp-card p{display:flex;align-items:center;justify-content:center;gap:10px;margin:8px 0;font-size:calc(28px * var(--fs))}
.sp-card p b{font-family:"Baloo 2",system-ui,sans-serif;font-size:1.15em}
.sp-card p span{font-size:calc(15px * var(--fs));border-radius:999px;padding:2px 12px}
.sp-s b{color:var(--sky)} .sp-s span{background:var(--sky-tint);color:var(--ink)}
.sp-p b{color:var(--berry)} .sp-p span{background:var(--berry-tint);color:var(--ink)}

/* dreptunghiuri din pătrățele (stațiile 2, 7, 10) */
.dr-cel{fill:var(--sky-tint);stroke:var(--sky);stroke-width:1.5}
.dr-con{fill:none;stroke:var(--ink);stroke-width:3}
.dr-card{text-align:center}
.dr-svg{width:100%;max-width:340px;height:auto;display:block;margin:0 auto}
.dr-lat{font:800 26px "Baloo 2",system-ui,sans-serif;fill:var(--berry);text-anchor:middle}
.dr-card p{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:8px 0 0;font-size:calc(18px * var(--fs))}
.dr-card p span{border-radius:10px;padding:4px 12px}
.dr-s{background:var(--sky-tint)} .dr-p{background:var(--berry-tint)}
.dr-card p b{color:var(--berry)}

/* stația 3: perechi cu suma 10, scrise în ordine */
.ps-tit,.fs-tit,.br-tit,.fa-tit{margin:0 0 10px;text-align:center;font-size:calc(18px * var(--fs));color:var(--muted)}
.ps-tit b,.fs-tit b,.br-tit b{color:var(--berry);font-family:"Baloo 2",system-ui,sans-serif;font-size:1.3em}
.ps-grid{display:grid;grid-template-columns:repeat(3,auto);justify-content:center;align-items:center;column-gap:14px;row-gap:4px;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(30px * var(--fs));line-height:1.1;text-align:center}
.ps-h{font-family:inherit;font-size:calc(13px * var(--fs));color:var(--muted);text-transform:uppercase}
.ps-a{color:var(--sky)} .ps-b{color:var(--berry)} .ps-plus{color:var(--muted)}

/* stația 5: barele produselor */
.br-row{display:grid;grid-template-columns:5.2em 1fr 2.4em;align-items:center;gap:10px;margin:7px 0;font-size:calc(18px * var(--fs));transition:opacity .4s}
.br-p{text-align:right}
.br-bar{height:calc(24px * var(--fs));background:var(--line);border-radius:99px;overflow:hidden}
.br-bar i{display:block;height:100%;background:var(--leaf);border-radius:99px;transform-origin:left;transition:transform .6s ease-out}
.br-row:last-child .br-bar i{background:var(--berry)}
.br-v{font-family:"Baloo 2",system-ui,sans-serif;font-size:1.2em;text-align:right}
.br-row.ascuns{opacity:.15}
.br-row.ascuns .br-bar i{transform:scaleX(0)}
.br-card.static .br-row,.br-card.static .br-bar i{transition:none}

/* stația 6: două lacăte */
.dc-card{display:grid;grid-template-columns:1fr 1fr;gap:12px;text-align:center}
.dc-l{display:flex;flex-direction:column;align-items:center;gap:4px;border:3px solid var(--line);border-radius:14px;padding:12px;font-size:calc(20px * var(--fs))}
.dc-l span{font-size:2.2em;line-height:1}
.dc-l:first-child{background:var(--sky-tint);border-color:var(--sky)}
.dc-l:nth-child(2){background:var(--berry-tint);border-color:var(--berry)}
.dc-card p{grid-column:1/-1;margin:4px 0 0;font-size:calc(19px * var(--fs))}
.dc-card p b{color:var(--leaf-deep)}

/* stația 8: perechile de factori și sumele lor */
.fs-row{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;margin:6px 0;padding:6px 10px;border-radius:12px;background:var(--sun-tint);font-size:calc(22px * var(--fs))}
.fs-row span:first-child{text-align:right}
.fs-ar{color:var(--muted)}
.fs-row b{color:var(--berry);font-family:"Baloo 2",system-ui,sans-serif;font-size:1.15em}

/* ---------- comune laboratoarelor ---------- */
.sp-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))}
.sp-tinta{display:inline-flex;align-items:center;gap:6px;background:var(--sun);color:var(--on-sun);border-radius:999px;padding:3px 14px;font-size:calc(16px * var(--fs))}
.sp-tinta b{font-family:"Baloo 2",system-ui,sans-serif;font-size:1.25em}
/* plăcuțe mari, cu starea „ales” clară */
.ti-var .chip,.fa-var .chip,.an-var .chip{min-width:calc(84px * var(--fs));min-height:calc(48px * var(--fs));padding:4px 14px;font-size:calc(20px * var(--fs));font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.fa-var .chip.ales{background:var(--sky);border-color:var(--sky);color:var(--card);box-shadow:0 5px 0 var(--ink);transform:translateY(-3px)}
.fa-var .chip:disabled,.ti-var .chip:disabled{opacity:.6;transform:none}
.fa-var .chip.good:disabled{opacity:1}
/* butoanele de jos: separate de plăcuțe */
.ti-act,.fa-act,.gh-act{display:flex;gap:12px;justify-content:flex-end;align-items:center;flex-wrap:wrap;margin-top:10px;padding-top:10px;border-top:2px dashed var(--line)}
.ti-act:empty{display:none}

/* laborator 1: tabelul încercărilor */
.ti-q{margin:12px 0 10px;font-size:calc(20px * var(--fs));font-weight:800;color:var(--ink);text-align:center}
.ti-q b{color:var(--berry)}
.ti-var{justify-content:center;gap:12px}
.ti-act .ti-ok{margin-left:auto}
html.flow .lesson .work:has(.ti-lab),html.flow .lesson .work:has(.gh-lab){order:-1}
/* pe telefon, coloana „suma” (aceeași pe fiecare rând) se ascunde, ca să încapă calculele pe un rând */
html.flow .ti-row{grid-template-columns:.7fr .9fr 1.7fr;font-size:calc(17px * var(--fs));padding:6px 4px}
html.flow .ti-row > span:nth-child(3){display:none}

/* laborator 2: factorii produsului */
.fa-q{margin:12px 0 10px;font-size:calc(19px * var(--fs));font-weight:800;color:var(--ink)}
.fa-q b{color:var(--berry)}
.fa-var{gap:12px;justify-content:center}
.fa-gol{margin:0;padding:40px 10px;text-align:center;color:var(--muted);font-size:calc(19px * var(--fs))}
.fa-gol b{color:var(--berry)}
.fa-rd{display:grid;grid-template-columns:4.4em auto 1fr;align-items:center;gap:12px;margin:8px 0;padding:4px 8px;border-radius:12px;border:2px solid transparent;transition:background .3s,opacity .3s}
.fa-lb{text-align:right;font-size:calc(17px * var(--fs))}
.fa-svg{display:block;max-width:100%;height:auto}
.fa-sm{font-size:calc(17px * var(--fs));white-space:nowrap}
.fa-sm b{color:var(--berry)}
.fa-rd.aprins{background:var(--leaf-tint);border-color:var(--leaf)}
.fa-rd.aprins .fa-sm,.fa-rd.aprins .fa-sm b{color:var(--leaf-deep)}
.fa-rd.aprins .dr-cel{fill:var(--leaf);stroke:var(--leaf-deep)}
.fa-rd.stins{opacity:.55}

/* laborator 3: ghicește-mă (cutiile cu numere au aceeași înălțime cu butoanele − și +) */
.gh-ctrl{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin:12px 0 6px}
.gh-st{display:flex;flex-direction:column;align-items:center;gap:6px}
.gh-lbl{font-size:calc(14px * var(--fs));font-weight:800;color:var(--muted)}
.gh-row{display:flex;align-items:center;gap:10px}
.gh-row .btn{width:calc(52px * var(--fs));height:calc(52px * var(--fs));min-height:0;padding:0;font-size:calc(26px * var(--fs));display:inline-flex;align-items:center;justify-content:center}
.gh-v{display:inline-flex;align-items:center;justify-content:center;min-width:2em;height:calc(52px * var(--fs));box-sizing:border-box;border:3px solid var(--sky);border-radius:14px;background:var(--sky-tint);color:var(--ink);font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(30px * var(--fs))}
.gh-live{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:10px 0 0;font-weight:800;font-size:calc(20px * var(--fs));color:var(--ink)}
.gh-live span{background:var(--card);border:2px solid var(--line);border-radius:12px;padding:4px 12px}
.gh-live b{color:var(--berry)}
.gh-lab{text-align:center}
.gh-fig{display:inline-grid;grid-template-columns:auto auto;grid-template-rows:auto auto;align-items:center;column-gap:8px;row-gap:4px}
.gh-top{grid-column:2;text-align:center}
.gh-st2{grid-row:2;grid-column:1}
.gh-fig svg{grid-row:2;grid-column:2;display:block;max-width:100%;height:auto}
.gh-lat{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(26px * var(--fs));color:var(--berry)}
.gh-svg.bun .dr-cel{fill:var(--leaf);stroke:var(--leaf-deep)}
.gh-arie{margin:10px 0 0;font-size:calc(18px * var(--fs))}
.gh-arie b{color:var(--berry)}

/* ---------- laborator: 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:sp-pop .4s ease-out}
.an-q{font-size:calc(24px * var(--fs));font-weight:800;margin:14px 0;color:var(--ink);text-align:center}
.an-q b{color:var(--berry);font-family:"Baloo 2",system-ui,sans-serif;font-size:1.2em}
.an-var{justify-content:center;gap:12px}
.an-var .chip{min-width:6em}
.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:sp-pop .5s}
@keyframes sp-pop{0%{transform:scale(.6)}70%{transform:scale(1.15)}100%{transform:none}}

/* mișcare redusă (sistem): animațiile decorative se opresc; coperta și stația 5 sunt oprite din js/aplicatie.js */
@media (prefers-reduced-motion: reduce){
  .ti-row,.ti-row.nou,.ti-gasit,.br-row,.br-bar i,.an-serie,.an-scor{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}