/* aplicatie.css — stiluri proprii lecției „Probleme cu estimarea sumelor” (doar variabile de culoare). */

/* ---------- planșe desenate ---------- */
.plate :is(.ce-cov,.ce-axa,.ce-bon,.ce-stive,.ce-pp,.ce-bug-axa,.ce-semn){background:var(--card);color:var(--ink);border-radius:12px;padding:14px 16px;font-weight:800}
.plate svg{display:block;max-width:100%;height:auto}
.plate svg text{font-family:"Nunito",system-ui,sans-serif}

/* copertă: coșul; un singur ceas (js/aplicatie.js) rotunjește prețurile pe rând și umple bara bugetului */
.ce-cov{display:grid;gap:8px;width:100%;max-width:520px;margin:0 auto;box-sizing:border-box}
.ce-row{display:grid;grid-template-columns:2em 1fr auto 1.4em 3.4em;align-items:center;gap:6px;border:2px solid var(--line);border-radius:12px;padding:6px 10px;font-size:calc(19px * var(--fs))}
.ce-em{font-size:1.25em;line-height:1}
.ce-ex{color:var(--muted);white-space:nowrap}
.ce-ar{color:var(--muted);text-align:center;opacity:.25;transition:opacity .3s}
.ce-rot{height:calc(36px * var(--fs));display:flex;align-items:center;justify-content:center;border-radius:10px;border:3px dashed var(--line);color:transparent;transition:background .3s,color .3s,border-color .3s}
.ce-row.on .ce-ar{opacity:1}
.ce-row.on .ce-rot{border-style:solid;border-color:var(--sun-edge);background:var(--sun);color:var(--on-sun);animation:ce-pop .35s ease-out}
.ce-bug{margin-top:4px}
.ce-track{position:relative;height:18px;border-radius:99px;background:var(--line);overflow:visible}
.ce-fill{position:absolute;left:0;top:0;bottom:0;width:0;border-radius:99px;background:var(--leaf);transition:width .5s ease-out}
.ce-lim{position:absolute;top:-6px;bottom:-6px;width:4px;margin-left:-4px;background:var(--berry);border-radius:2px}
.ce-tot{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;margin:8px 0 0;font-size:calc(18px * var(--fs))}
.ce-tot .ce-sum{color:var(--leaf-deep);font-size:1.2em}
.ce-din{color:var(--berry)}
.ce-ok{background:var(--leaf-tint);color:var(--leaf-deep);border:2px solid var(--leaf);border-radius:99px;padding:2px 12px;opacity:0;transition:opacity .3s}
.ce-cov.gata .ce-ok{opacity:1}
.ce-cov.static .ce-row .ce-rot{animation:none}
html.flow .ce-row{grid-template-columns:1.6em minmax(0,1fr) auto 1em 3em;gap:4px;padding:5px 8px;font-size:calc(16px * var(--fs))}
html.flow .ce-bh,html.flow .ce-br,html.flow .ce-bt{font-size:calc(16px * var(--fs))}
html.flow .ce-semn{grid-template-columns:minmax(0,1fr)}

/* stația 1: cuvintele din întrebare */
.ce-semn{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ce-sc{border-radius:12px;padding:10px 12px}
.ce-sc h4{margin:0 0 6px;font-size:calc(18px * var(--fs))}
.ce-sc p{margin:5px 0;padding:4px 10px;border-radius:10px;background:var(--card);font-size:calc(16px * var(--fs))}
.ce-sc.est{background:var(--leaf-tint)} .ce-sc.est h4{color:var(--leaf-deep)}
.ce-sc.exa{background:var(--sky-tint)} .ce-sc.exa h4{color:var(--sky)}

/* stația 2: regula de rotunjire, sub axă */
.ce-regula{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:6px 0 0;font-size:calc(17px * var(--fs))}
.ce-regula span{border-radius:10px;padding:4px 12px}
.ce-regula .jos{background:var(--sky-tint)} .ce-regula .sus{background:var(--sun-tint)}
.ce-salt{animation:ce-dash 1.6s linear infinite}

/* stația 3: bonul */
.ce-bon{display:grid;gap:4px;width:min(100%,420px);box-sizing:border-box}
.ce-bh,.ce-br,.ce-bt{display:grid;grid-template-columns:1.6fr 1fr 1fr;align-items:center;gap:8px;padding:6px 10px;border-radius:10px;font-size:calc(19px * var(--fs))}
.ce-bh{color:var(--muted);font-size:calc(14px * var(--fs));text-transform:uppercase;letter-spacing:.04em}
.ce-br{background:var(--sun-tint)}
.ce-br span:nth-child(2){color:var(--muted)}
.ce-br b,.ce-bt b{color:var(--leaf-deep)}
.ce-bt{border-top:3px dashed var(--line);border-radius:0;margin-top:4px}

/* stațiile 4 și 8: stivele și bucățile cresc pe rând */
.ce-seg,.ce-buc{transform-box:fill-box;animation:ce-creste .6s ease-out both}
.ce-seg{transform-origin:50% 100%}
.ce-buc{transform-origin:0 50%;animation-name:ce-lung}
.ce-pp-n{margin:6px 0 0;text-align:center;font-size:calc(16px * var(--fs));color:var(--muted)}
.ce-pp-n b{color:var(--ink)}

/* culorile grupurilor / perechilor (aceleași în bară, cartonașe și sloturi) */
.c0{--ce-c:var(--sky);--ce-t:var(--sky-tint)}
.c1{--ce-c:var(--sun-edge);--ce-t:var(--sun-tint)}
.c2{--ce-c:var(--leaf);--ce-t:var(--leaf-tint)}

/* ---------- laborator 1: Încap în autobuz? ---------- */
.ab-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))}
.ab-loc{background:var(--berry-tint);color:var(--berry);border-radius:99px;padding:2px 12px;font-size:calc(16px * var(--fs))}
.ab-grupuri{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:6px 0 8px}
.ab-g{display:flex;flex-direction:column;align-items:center;gap:2px;border:3px solid var(--ce-c);background:var(--ce-t);border-radius:14px;padding:4px 6px 8px;min-width:0}
.ab-gn{font-weight:800;font-size:calc(12px * var(--fs));color:var(--ink);text-align:center;line-height:1.2;min-height:2.4em;display:flex;align-items:center}
.ab-gv{font-family:"Baloo 2",system-ui,sans-serif;font-weight:800;font-size:calc(28px * var(--fs));line-height:1.1;color:var(--ink)}
.ab-ch{display:flex;gap:6px;justify-content:center;width:100%}
.ab .ab-ch .chip.ab-r{flex:1 1 0;min-width:0;min-height:calc(42px * var(--fs));padding:2px 4px;font-size:calc(19px * var(--fs));font-weight:800;color:var(--ink);background:var(--card);border:3px solid var(--stripe);border-radius:12px;box-shadow:0 4px 0 var(--stripe);cursor:pointer}
.ab .ab-ch .chip.ab-r:hover:not(:disabled){transform:translateY(-2px)}
.ab .ab-ch .chip.ab-r.ales{background:var(--ink);border-color:var(--ink);color:var(--card);box-shadow:0 4px 0 var(--ce-c);opacity:1}
.ab .ab-ch .chip.ab-r:disabled:not(.ales){opacity:.35;box-shadow:none}
.ab-bara{position:relative;padding:14px 0 2px}
.ab-track{position:relative;height:calc(30px * var(--fs));border-radius:10px;background:var(--line);overflow:hidden}
.ab-seg{position:absolute;top:0;bottom:0;display:flex;align-items:center;justify-content:center;background:var(--ce-c);color:var(--card);font-style:normal;font-weight:800;font-size:calc(14px * var(--fs));border-right:2px solid var(--card);animation:ce-lung .4s ease-out both;transform-origin:0 50%}
.ab-seg.c1{color:var(--ink)}
.ab-exact{position:absolute;top:0;bottom:0;width:4px;margin-left:-2px;background:var(--ink)}
.ab-lim{position:absolute;top:2px;bottom:-2px;width:0;border-left:4px dashed var(--berry)}
.ab-lim i{position:absolute;top:-2px;left:4px;font-style:normal;font-weight:800;font-size:calc(12px * var(--fs));color:var(--berry);background:var(--card);border-radius:6px;padding:0 4px;line-height:1.2}
.ab-sum{margin:6px 0;min-height:1.4em;text-align:center;font-weight:800;font-size:calc(16px * var(--fs));color:var(--ink)}
.ab-sum b{color:var(--leaf-deep);font-size:1.15em}
.ab-bine{color:var(--leaf-deep)}
.ab-dec{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;padding-top:8px;border-top:2px dashed var(--line);min-height:calc(48px * var(--fs))}
.ab-dec:empty{border-top-color:transparent}
.ab-dec .btn{font-size:calc(15px * var(--fs));padding:8px 12px}
.ab-dec .btn:disabled{opacity:.45}

/* ---------- laborator 2: Grupează prietenii ---------- */
.pf-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))}
.pf-top b{color:var(--ink)}
.pf-tok{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:8px 0}
.pf-t{height:calc(54px * var(--fs));display:flex;align-items:center;justify-content:center;font-family:"Baloo 2",system-ui,sans-serif;font-weight:800;font-size:calc(26px * var(--fs));color:var(--ink);background:var(--card);border:3px solid var(--line);border-radius:14px;box-shadow:0 5px 0 var(--muted);cursor:pointer;transition:transform .15s}
.pf-t:hover:not(:disabled){transform:translateY(-2px)}
.pf-t.ales{background:var(--ink);border-color:var(--ink);color:var(--card);box-shadow:0 5px 0 var(--berry);transform:translateY(-3px)}
.pf-t.c0,.pf-t.c1,.pf-t.c2{border-color:var(--ce-c);background:var(--ce-t);box-shadow:0 5px 0 var(--ce-c)}
.pf-t:disabled{cursor:default}
.pf-sloturi{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.pf-slot{display:flex;align-items:center;justify-content:center;height:calc(40px * var(--fs));border:2px dashed var(--line);border-radius:12px;font-weight:800;font-size:calc(15px * var(--fs));color:var(--muted);white-space:nowrap}
.pf-slot.c0,.pf-slot.c1,.pf-slot.c2{border-style:solid;border-color:var(--ce-c);background:var(--ce-t);color:var(--ink)}
.pf-slot b{color:var(--leaf-deep);margin-left:4px}
.pf-total{margin:8px 0 0;text-align:center;font-weight:800;font-size:calc(17px * var(--fs));color:var(--ink);animation:ce-pop .4s ease-out}
.pf-total b{color:var(--leaf-deep)}
.pf-act{display:flex;gap:10px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-top:10px;padding-top:10px;border-top:2px dashed var(--line)}
.pf-act .verif{margin-left:auto}
.pf-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

.ce-shake{animation:ce-shake .45s}

/* ---------- laborator 3: 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:ce-pop .4s ease-out}
.an-q{font-size:calc(19px * 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:5.5em;min-height:calc(46px * 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:ce-pop .5s}

@keyframes ce-pop{0%{transform:scale(.6)}70%{transform:scale(1.12)}100%{transform:none}}
@keyframes ce-shake{0%,100%{transform:none}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
@keyframes ce-creste{from{transform:scaleY(0)}to{transform:none}}
@keyframes ce-lung{from{transform:scaleX(0)}to{transform:none}}
@keyframes ce-dash{to{stroke-dashoffset:-26}}

/* mișcare redusă (sistem): animațiile se opresc pe starea finală; coperta e oprită din js/aplicatie.js */
@media (prefers-reduced-motion: reduce){
  .ce-seg,.ce-buc,.ab-seg,.ce-salt,.ce-rot,.pf-total,.an-scor,.an-serie,.ce-shake{animation:none!important}
  .ce-fill,.ce-ok,.ce-rot,.ce-ar{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}