/* aplicatie.css — stiluri proprii lecției „Probleme în mai mulți pași cu conversii” (doar variabile de culoare).
   Toate clasele proprii au prefixul „cv-” (sau „an-” pentru antrenament), ca să nu se lovească de edulogia.css. */

/* ---------- planșe desenate: fundal de carte, lizibil în toate stilurile ---------- */
.plate .cv-cov,.plate .cv-pl,.plate .cv-ud,.plate .cv-regula,.plate .cv-cmp,.plate .cv-banda,.plate .cv-grup,.plate .cv-pasi{
  background:var(--card);color:var(--ink);border-radius:12px;padding:14px;font-weight:800}

/* copertă: mașina de conversie; intrarea, operația și ieșirea se schimbă din același ceas */
.cv-cov{text-align:center;padding:22px 12px!important}
.cv-cov-rand{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:nowrap}
.cv-cov-in,.cv-cov-out,.cv-cov-mas{height:calc(64px * var(--fs));display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box;border-radius:14px;font-size:calc(24px * var(--fs));white-space:nowrap}
.cv-cov-in{padding:0 12px;background:var(--sky-tint);border:3px solid var(--sky);color:var(--ink);min-width:3.4em}
.cv-cov-out{padding:0 12px;background:var(--leaf-tint);border:3px solid var(--leaf);color:var(--leaf-deep);min-width:4.6em}
.cv-cov-mas{word-spacing:.12em;flex-direction:column;padding:0 12px;background:var(--sun);border:3px solid var(--sun-edge);color:var(--on-sun);box-shadow:0 5px 0 var(--sun-edge);font-size:calc(18px * var(--fs));line-height:1.1}
.cv-cov-ro{font-size:1.2em;display:inline-block;animation:cv-roata 2.6s linear infinite}
.cv-cov-sag{color:var(--muted);font-size:calc(24px * var(--fs))}
.cv-cov-in.go{animation:cv-intra .6s ease-out}
.cv-cov-out.go{animation:cv-iese .6s ease-out .35s both}
.cv-cov-nota{margin:16px 0 0;color:var(--muted);font-size:calc(17px * var(--fs))}
.cv-cov-nota b{color:var(--ink)}
@keyframes cv-roata{to{transform:rotate(360deg)}}
@keyframes cv-intra{0%{transform:translateX(-24px);opacity:0}100%{transform:none;opacity:1}}
@keyframes cv-iese{0%{transform:scale(.6);opacity:0}70%{transform:scale(1.1);opacity:1}100%{transform:none}}

/* mașina de conversie (SVG): treptele și săgețile */
.cv-masina{display:block;width:100%;height:auto}
.cv-tr rect{fill:var(--sky-tint);stroke:var(--line);stroke-width:3}
.cv-tr text{fill:var(--ink);font-weight:900;font-size:24px;text-anchor:middle;font-family:"Baloo 2",system-ui,sans-serif}
.cv-tr.on rect{fill:var(--sun-tint);stroke:var(--sun-edge);stroke-width:4}
.cv-sg path{fill:none;stroke:var(--muted);stroke-width:2.5;opacity:.55}
.cv-sg text{font-size:18px;font-weight:900;text-anchor:middle;opacity:.85;word-spacing:3px}
.cv-sg.jos text{fill:var(--leaf-deep)}
.cv-sg.sus text{fill:var(--sky)}
.cv-varf{fill:var(--muted)}
.cv-sg.on path{stroke-width:4.5;opacity:1}
.cv-sg.jos.on path{stroke:var(--leaf)}
.cv-sg.sus.on path{stroke:var(--sky)}
.cv-sg.on text{opacity:1;font-size:20px}
/* afișajul de sub mașină: toate piesele au aceeași înălțime, pe același rând */
.cv-afis{word-spacing:.12em;display:flex;align-items:center;justify-content:center;gap:10px;margin:6px 0 0;min-height:calc(46px * var(--fs));flex-wrap:wrap;font-size:calc(20px * var(--fs))}
.cv-afis .cv-in,.cv-afis .cv-out,.cv-afis .cv-op{height:calc(40px * var(--fs));display:inline-flex;align-items:center;box-sizing:border-box;border-radius:10px;padding:0 12px;white-space:nowrap}
.cv-afis .cv-in{background:var(--sky-tint);color:var(--ink)}
.cv-afis .cv-op{background:var(--sun);color:var(--on-sun)}
.cv-afis .cv-out{background:var(--leaf-tint);color:var(--leaf-deep)}
.cv-afis .cv-arr{color:var(--muted)}
.cv-afis.go{animation:cv-iese .45s ease-out}
.cv-afis-lab span.cv-in:only-child{background:none;color:var(--muted);font-size:calc(16px * var(--fs))}

/* stația 2: cobor / urc */
.cv-ud{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.cv-ud-c{display:flex;flex-direction:column;align-items:center;gap:6px;border-radius:12px;padding:12px 8px;text-align:center;font-size:calc(20px * var(--fs))}
.cv-ud-c.jos{background:var(--leaf-tint)} .cv-ud-c.sus{background:var(--sky-tint)}
.cv-ud-s{font-size:1.8em;line-height:1}
.cv-ud-c small{font-weight:700;color:var(--muted);font-size:calc(14px * var(--fs))}
.cv-ud-op{border-radius:999px;padding:2px 14px;background:var(--card);color:var(--ink)}
.cv-ud-c.jos .cv-ud-op{color:var(--leaf-deep)} .cv-ud-c.sus .cv-ud-op{color:var(--sky)}
.cv-ud-ex{font-size:calc(17px * var(--fs))}

/* stația 3: regula aceleiași unități */
.cv-regula p{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:10px 0;font-size:calc(20px * var(--fs))}
.cv-tag{display:inline-flex;align-items:center;height:calc(38px * var(--fs));padding:0 12px;border-radius:10px;background:var(--sun-tint);color:var(--ink);box-sizing:border-box}
.cv-tag.rau{background:var(--berry-tint);color:var(--berry)}
.cv-tag.bun{background:var(--leaf-tint);color:var(--leaf-deep)}
.cv-x{color:var(--berry);font-size:calc(15px * var(--fs))}
.cv-r3 b{color:var(--leaf-deep)}

/* stația 4: km sau m */
.cv-cmp{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.cv-cmp-c{position:relative;display:flex;flex-direction:column;gap:8px;align-items:center;text-align:center;border-radius:12px;padding:14px 8px;font-size:calc(19px * var(--fs))}
.cv-cmp-c.rau{background:var(--berry-tint)} .cv-cmp-c.bun{background:var(--leaf-tint)}
.cv-cmp-c small{font-weight:700;color:var(--muted);font-size:calc(14px * var(--fs))}
.cv-cmp-c i{font-style:normal;font-size:1.6em;line-height:1}
.cv-cmp-c.rau i{color:var(--berry)} .cv-cmp-c.bun i{color:var(--leaf-deep)}

/* model-bandă: întregul sus, părțile egale dedesubt */
.cv-b-tot{border:3px solid var(--ink);border-bottom:none;border-radius:10px 10px 0 0;height:14px;margin:30px 2px 6px;position:relative}
.cv-b-tot span{position:absolute;left:50%;top:-30px;transform:translateX(-50%);white-space:nowrap;background:var(--card);padding:0 8px;font-size:calc(18px * var(--fs))}
.cv-b-rand{display:flex;gap:3px}
.cv-b-rand span{min-width:0;height:calc(46px * var(--fs));display:flex;align-items:center;justify-content:center;border-radius:6px;background:var(--sky-tint);border:2px solid var(--sky);color:var(--ink);font-size:calc(14px * var(--fs));overflow:hidden}
.cv-b-rand span.mic{border-width:1px}
.cv-b-rand span.nec{background:var(--sun-tint);border:2px dashed var(--sun-edge);font-size:calc(18px * var(--fs))}
.cv-b-nota{margin:10px 0 0;text-align:center;color:var(--muted);font-size:calc(16px * var(--fs))}

/* stația 7: grupe de 100 cm */
.cv-g-tit{margin:0 0 10px;text-align:center;font-size:calc(26px * var(--fs));font-family:"Baloo 2",system-ui,sans-serif}
.cv-g-rand{display:flex;gap:4px}
.cv-g-rand span{min-width:0;display:flex;align-items:center;justify-content:center;border-radius:8px;height:calc(46px * var(--fs));font-size:calc(19px * var(--fs))}
.cv-g-rand .m{background:var(--leaf);color:var(--on-leaf)}
.cv-g-rand .c{background:var(--sun-tint);border:2px solid var(--sun-edge);color:var(--ink)}
.cv-g-sub span{height:auto;font-size:calc(13px * var(--fs));color:var(--muted);font-weight:700}
.cv-g-rez{margin:12px 0 0;text-align:center;font-size:calc(26px * var(--fs))}
.cv-g-rez b{background:var(--leaf-tint);color:var(--leaf-deep);border-radius:10px;padding:2px 10px}
.cv-g-rez b.c{background:var(--sun-tint);color:var(--ink)}

/* stația 11: problemă → aceeași unitate → calcul */
.cv-pasi{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:calc(20px * var(--fs))}
.cv-pasi span{background:var(--sun-tint);border-radius:12px;padding:8px 16px;width:80%;text-align:center}
.cv-pasi i{font-style:normal;color:var(--muted);transform:rotate(90deg)}

/* panglica tăiată (SVG) */
.cv-pg-live{min-height:150px}
.cv-pg-svg{display:block;width:100%;height:auto}
.cv-pg-tot{fill:var(--ink);font-weight:900;font-size:17px;text-anchor:middle}
.cv-pg-acol{stroke:var(--muted);stroke-width:2}
.cv-buc rect{fill:var(--berry-tint);stroke:var(--berry);stroke-width:2;transition:transform .35s ease-out,fill .35s}
.cv-buc text{fill:var(--ink);font-weight:800;font-size:15px;text-anchor:middle}
.cv-buc.taiat rect{fill:var(--leaf-tint);stroke:var(--leaf)}
.cv-buc.nou rect{animation:cv-cad .5s ease-out}
.cv-rest rect{fill:var(--sun-tint);stroke:var(--sun-edge);stroke-width:2;stroke-dasharray:5 3}
.cv-rest text{fill:var(--ink);font-weight:900;font-size:15px;text-anchor:middle}
.cv-taie{stroke:var(--berry);stroke-width:3;stroke-dasharray:4 3}
.cv-pg-info{fill:var(--muted);font-weight:800;font-size:14px}
@keyframes cv-cad{0%{opacity:.25}100%{opacity:1}}

/* ---------- laboratoarele: antet, pași, butoane ---------- */
.cv-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))}
.cv-tinta b{color:var(--leaf-deep)}
.cv-prob{margin:4px 0 8px;font-weight:800;font-size:calc(18px * var(--fs));color:var(--ink);line-height:1.35}
.cv-date{display:flex;flex-direction:column;gap:6px}
.cv-dat{display:flex;align-items:center;gap:10px;flex-wrap:wrap;border:2px solid var(--line);border-radius:12px;padding:4px 10px;min-height:calc(48px * var(--fs));box-sizing:border-box}
.cv-dat.ok{border-color:var(--leaf);background:var(--leaf-tint)}
.cv-val{font-weight:900;font-size:calc(19px * var(--fs));color:var(--ink);white-space:nowrap}
.cv-val.nou{color:var(--leaf-deep);animation:cv-iese .4s ease-out}
.cv-dat .cv-arr{color:var(--muted);font-weight:900}
.cv-deja{font-weight:700;color:var(--leaf-deep);font-size:calc(14px * var(--fs))}
.cv-ops{display:flex;gap:8px;flex-wrap:wrap;margin-left:auto}
/* plăcuțele cu operații și cu rezultate: mari, la fel, cu starea „ales” clară */
.cv-l1 .chip.cv-op-b,.cv-l1 .chip.cv-rz,.cv-l2 .chip.cv-tb,.cv-l2 .chip.cv-rb{min-width:calc(70px * var(--fs));min-height:calc(40px * var(--fs));padding:3px 12px;font-size:calc(17px * var(--fs));font-weight:800;color:var(--ink);border:3px solid var(--stripe);border-radius:12px;box-shadow:0 4px 0 var(--stripe);cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.cv-l1 .chip.cv-op-b:hover,.cv-l1 .chip.cv-rz:hover,.cv-l2 .chip.cv-tb:hover,.cv-l2 .chip.cv-rb:hover{transform:translateY(-2px)}
.cv-l1 .chip.ales,.cv-l2 .chip.ales{background:var(--berry);border-color:var(--berry);color:var(--card);box-shadow:0 4px 0 var(--ink);transform:translateY(-2px)}
.cv-l1 .chip.good,.cv-l2 .chip.good{background:var(--leaf);border-color:var(--leaf-deep);color:var(--on-leaf);box-shadow:0 4px 0 var(--leaf-deep)}
.cv-l1 .chip:disabled,.cv-l2 .chip:disabled{cursor:default;transform:none}
.cv-l1 .chip:disabled:not(.good),.cv-l2 .chip:disabled:not(.good){opacity:.5}
.chip.rau{animation:cv-scutura .45s}
.cv-calc{margin-top:8px}
.cv-calc-q{margin:0 0 6px;font-weight:800;font-size:calc(18px * var(--fs));color:var(--ink)}
.cv-calc-q b{background:var(--sun-tint);border-radius:8px;padding:2px 8px}
.cv-rez,.cv-t,.cv-r{display:flex;gap:10px;flex-wrap:wrap}
.cv-pas{margin:8px 0}
.cv-pas-t{display:flex;align-items:center;gap:8px;margin:0 0 8px;font-weight:800;font-size:calc(17px * var(--fs));color:var(--ink)}
.cv-nr{flex:0 0 auto;width:calc(28px * var(--fs));height:calc(28px * var(--fs));border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--sun);color:var(--on-sun);font-size:calc(15px * var(--fs))}
.cv-taie-r{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.cv-cnt{font-weight:800;color:var(--muted);font-size:calc(16px * var(--fs))}
.cv-cnt b{color:var(--leaf-deep);font-size:1.2em}
/* butoanele de jos: separate de plăcuțe, cu un mesaj scurt în stânga */
.cv-act{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-top:8px;padding-top:6px;border-top:2px dashed var(--line)}
.cv-act .verif{margin-left:auto}
.cv-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.cv-msg{flex:1 1 180px;font-weight:800;color:var(--leaf-deep);font-size:calc(15px * var(--fs))}
@keyframes cv-scutura{0%,100%{transform:none}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}

/* ---------- 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:cv-iese .4s ease-out}
.an-q{font-size:calc(20px * var(--fs));font-weight:800;margin:12px 0;color:var(--ink);text-align:center;line-height:1.35}
.an-var{justify-content:center}
.an-var .chip{font-size:calc(17px * var(--fs));min-width:5em;min-height:calc(44px * var(--fs))}
.an-msg{min-height:2.6em;margin:8px 0 0;text-align:center;font-weight:800;font-size:calc(15px * var(--fs))}
.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:cv-iese .5s}

/* exercițiul cu mai multe răspunsuri: butonul „Verifică” stă separat, la dreapta, sub o linie */
.ex-zona > .chips + .grp{display:flex;justify-content:flex-end;margin-top:14px;padding-top:10px;border-top:2px dashed var(--line)}

/* telefon: planșele cu două coloane trec una sub alta */
html.flow .cv-ud,html.flow .cv-cmp{grid-template-columns:1fr}
html.flow .cv-cov-rand{flex-wrap:wrap}

/* mișcare redusă (sistem): animațiile decorative se opresc; coperta și stația 1 sunt oprite din js/aplicatie.js */
@media (prefers-reduced-motion: reduce){
  .cv-cov-ro,.cv-cov-in,.cv-cov-out,.cv-afis,.cv-val.nou,.cv-buc rect,.an-scor,.an-serie,.chip.rau{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}