/* aplicatie.css — stiluri proprii lecției „Unitățile metrice” (doar variabile de culoare).
   Toate clasele proprii au prefixul „um-”, ca să nu se calce cu edulogia.css. */

/* ---------- planșe desenate ---------- */
.plate .um-pt,.plate .um-baze,.plate .um-dek,.plate .um-reg,.plate .um-pasi,.plate .um-ex,.plate .um-cap,.plate .um-cmp,.plate .um-bare,.plate .um-mar{
  background:var(--card);color:var(--ink);border-radius:12px;padding:14px;font-weight:800}

/* fracție stivuită */
.um-fr{display:inline-flex;flex-direction:column;align-items:center;line-height:1;vertical-align:middle;font-size:.9em}
.um-fr b{padding:0 3px 1px;font-weight:800}
.um-fr i{font-style:normal;border-top:2px solid currentColor;padding:1px 3px 0}

/* tabelul prefixelor: 3 rânduri, o coloană pe prefix; ceasul aprinde aceeași coloană pe toate rândurile */
.um-pt-g{display:grid;grid-template-columns:34px repeat(7,minmax(0,1fr));gap:4px;text-align:center}
.um-pt-c{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;border-radius:9px;min-height:calc(40px * var(--fs));transition:background .35s,color .35s,transform .35s}
.um-pt-h{font-size:calc(13px * var(--fs));color:var(--muted);padding:4px 1px;min-height:calc(56px * var(--fs))}
.um-pt-h small{font-size:calc(14px * var(--fs));color:var(--ink);min-height:2.1em;display:flex;align-items:center}
.um-pt-u{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(20px * var(--fs));background:var(--leaf-tint);color:var(--ink)}
.um-pt-r{font-size:calc(20px * var(--fs))}
.um-pt-c.baza{background:var(--sky-tint);color:var(--ink)}
.um-pt-h.baza{background:transparent;color:var(--sky)}
.um-pt-u.on{background:var(--sun);color:var(--on-sun);box-shadow:0 3px 0 var(--sun-edge)}
.um-pt-h.on{background:var(--sun-tint);color:var(--sun-ink)}
.um-pt-h.on small{color:var(--sun-ink)}
.um-pt-c.on.nou{animation:um-pop .45s ease-out}
.um-pt-note{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;align-items:center;margin:12px 0 0;min-height:calc(70px * var(--fs));align-content:center}
.um-pt-n{width:100%;text-align:center;color:var(--sun-ink);font-size:calc(17px * var(--fs))}
.um-pt-e{background:var(--sun-tint);color:var(--ink);border-radius:999px;padding:2px 10px;font-size:calc(15px * var(--fs));white-space:nowrap}

/* stația 1: cele trei unități de bază */
.um-baze{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.um-bz{display:flex;flex-direction:column;align-items:center;gap:4px;border-radius:12px;padding:12px 6px;background:var(--leaf-tint)}
.um-bz:nth-child(2){background:var(--sun-tint)} .um-bz:nth-child(3){background:var(--sky-tint)}
.um-bz-e{font-size:calc(40px * var(--fs));line-height:1}
.um-bz b{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(46px * var(--fs));line-height:1;color:var(--berry)}
.um-bz span:not(.um-bz-e){font-size:calc(18px * var(--fs))}
.um-bz small{color:var(--muted);font-size:calc(14px * var(--fs))}

/* stația 3: prefix + unitate, cu etichetele exact sub fiecare parte */
.um-dek{display:grid;gap:14px}
.um-dk-r{display:flex;align-items:center;justify-content:center;gap:12px}
.um-dk-w{display:inline-flex;align-items:stretch}
.um-dk-p,.um-dk-b{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;min-width:2.3em;height:calc(62px * var(--fs));box-sizing:border-box;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(30px * var(--fs));line-height:1}
.um-dk-p{background:var(--sun-tint);border:3px solid var(--sun);border-right:0;border-radius:12px 0 0 12px;color:var(--sun-ink)}
.um-dk-b{background:var(--sky-tint);border:3px solid var(--sky);border-radius:0 12px 12px 0;color:var(--ink)}
.um-dk-p small,.um-dk-b small{font-family:inherit;font-size:calc(12px * var(--fs));font-weight:800;margin-top:3px}
.um-dk-b small{color:var(--sky)}
.um-dk-eq{font-size:calc(28px * var(--fs));color:var(--muted)}
.um-dk-v{font-size:calc(28px * var(--fs));min-width:4.6em;text-align:left}

/* stația 5: regula */
.um-rg-row{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px;margin-bottom:12px}
.um-rg-c{display:flex;align-items:center;justify-content:center;height:calc(46px * var(--fs));border-radius:9px;background:var(--leaf-tint);font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(20px * var(--fs))}
.um-rg-c.baza{background:var(--sky-tint);font-size:calc(14px * var(--fs))}
.um-rg-ar{display:flex;align-items:center;justify-content:space-between;gap:8px;border-radius:999px;padding:6px 14px;margin-top:8px;font-size:calc(16px * var(--fs))}
.um-rg-ar.jos{background:var(--sun-tint)} .um-rg-ar.sus{background:var(--berry-tint)}
.um-rg-ar b{font-size:calc(18px * var(--fs))}
.um-rg-ar span{color:var(--muted);font-size:calc(14px * var(--fs))}
.um-rg-ar .um-rg-v{font-size:calc(24px * var(--fs));color:var(--ink)}

/* stația 6: pașii */
.um-ps-row{display:flex;align-items:center;justify-content:center;gap:6px;margin-bottom:10px}
.um-ps-u{display:inline-flex;align-items:center;justify-content:center;min-width:2.4em;height:calc(52px * var(--fs));border-radius:10px;background:var(--leaf-tint);font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(24px * var(--fs))}
.um-ps-u.cap{background:var(--sun);color:var(--on-sun)}
.um-ps-a{color:var(--berry);font-size:calc(15px * var(--fs))}
.um-ps-r{margin:8px 0 0;text-align:center;font-size:calc(22px * var(--fs))}
.um-ps-r b{color:var(--berry)}

/* stația 7: exemplul rezolvat */
.um-ex-q{margin:0 0 10px;text-align:center;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(28px * var(--fs))}
.um-ex-q.bun{margin:10px 0 0;color:var(--leaf-deep)}
.um-ex-l{display:grid;grid-template-columns:6.5em minmax(0,1fr);align-items:center;gap:10px;margin:6px 0;font-size:calc(18px * var(--fs))}
.um-ex-k{background:var(--sky-tint);border-radius:999px;padding:2px 10px;text-align:center;color:var(--ink);font-size:calc(14px * var(--fs))}
.um-ex-l b{color:var(--berry)}

/* stația 8: capcana */
.um-cp-r{display:flex;align-items:center;justify-content:center;gap:14px}
.um-cp-v{display:flex;flex-direction:column;align-items:center;gap:2px;background:var(--leaf-tint);border-radius:12px;padding:10px 18px;font-size:calc(40px * var(--fs));line-height:1.1}
.um-cp-v:last-child{background:var(--sky-tint)}
.um-cp-v b{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(30px * var(--fs))}
.um-cp-v small{font-size:calc(14px * var(--fs));color:var(--muted)}
.um-cp-x{font-size:calc(44px * var(--fs));color:var(--berry)}
.um-cp-m{margin:12px 0 0;text-align:center;color:var(--berry);font-size:calc(20px * var(--fs))}

/* stația 10: compararea cu aceeași unitate */
.um-cm-r{display:flex;align-items:center;justify-content:center;gap:12px}
.um-cm-v,.um-cm-s{display:inline-flex;align-items:center;justify-content:center;height:calc(54px * var(--fs));border-radius:12px;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(28px * var(--fs))}
.um-cm-v{min-width:4em;background:var(--leaf-tint)}
.um-cm-s{min-width:1.8em;border:3px dashed var(--line);color:var(--muted)}
.um-cm-v.bun{background:var(--sun-tint)}
.um-cm-s.bun{border:3px solid var(--leaf);background:var(--leaf);color:var(--on-leaf)}
.um-cm-a{text-align:center;color:var(--muted);margin:8px 0;font-size:calc(15px * var(--fs))}

/* stația 11: bare în aceeași unitate */
.um-bare{display:grid;gap:10px}
.um-br{display:grid;grid-template-columns:4.4em minmax(0,1fr) 5.2em;align-items:center;gap:10px;font-size:calc(17px * var(--fs))}
.um-br-b{height:calc(22px * var(--fs));background:var(--line);border-radius:99px;overflow:hidden}
.um-br-b i{display:block;height:100%;background:var(--sky);border-radius:99px}
.um-br-m{color:var(--leaf-deep);text-align:right}

/* stația 12: întrebarea arată mărimea */
.um-mar{display:grid;gap:8px}
.um-mr{display:flex;align-items:center;justify-content:space-between;gap:10px;border-radius:12px;padding:10px 12px;background:var(--leaf-tint);font-size:calc(16px * var(--fs))}
.um-mr:nth-child(2){background:var(--sun-tint)} .um-mr:nth-child(3){background:var(--sky-tint)}
.um-mr b{background:var(--card);border-radius:999px;padding:2px 12px;white-space:nowrap;font-size:calc(15px * var(--fs))}

/* stația 1: sortare cu trei coșuri, toate pe un rând; coloana exercițiului e mai lată */
html:not(.flow) .lesson:has(.sort .bin:nth-child(3)){grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr)}
.sort:has(.bin:nth-child(3)){grid-template-columns:repeat(3,minmax(0,1fr))}
html.flow .sort:has(.bin:nth-child(3)){grid-template-columns:minmax(0,1fr)}
html:not(.flow) .lesson:has(.sort .bin:nth-child(3)) .um-baze{grid-template-columns:minmax(0,1fr);gap:6px}
html:not(.flow) .lesson:has(.sort .bin:nth-child(3)) .um-bz{flex-direction:row;justify-content:flex-start;gap:10px;padding:8px 12px}

/* ---------- laboratoarele: coloana exercițiului e mai lată pe scenă ---------- */
html:not(.flow) .lesson:has(.um-lab),html:not(.flow) .lesson:has(.an){grid-template-columns:minmax(0,1.55fr) minmax(0,.45fr)}
html:not(.flow) .lesson:has(.um-lab) .emoji-plansa,html:not(.flow) .lesson:has(.an) .emoji-plansa{font-size:4em;overflow-wrap:anywhere;padding:10px 0}
.um-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));min-height:30px}
.um-made{display:flex;gap:6px;flex-wrap:wrap}
.um-gata{background:var(--leaf-tint);color:var(--leaf-deep);border:2px solid var(--leaf);border-radius:999px;padding:1px 10px;font-weight:800;animation:um-pop .35s ease-out}

/* decodorul: egalitatea pe un singur rând, toate piesele de aceeași înălțime */
.um-eq{display:flex;align-items:center;justify-content:center;gap:12px;margin:2px 0 22px;font-weight:800;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(32px * var(--fs));line-height:1;color:var(--ink)}
.um-slot{display:inline-flex;align-items:stretch}
.um-sl-p,.um-sl-b{position:relative;display:inline-flex;align-items:center;justify-content:center;min-width:1.7em;height:calc(56px * var(--fs));padding:0 10px;box-sizing:border-box;border:3px dashed;background:var(--card);color:var(--muted)}
.um-sl-p{border-color:var(--sun);border-right-width:0;border-radius:14px 0 0 14px}
.um-sl-b{border-color:var(--sky);border-radius:0 14px 14px 0}
.um-sl-p::after,.um-sl-b::after{position:absolute;left:0;right:0;top:calc(100% + 4px);font-family:var(--f-body,system-ui),sans-serif;font-size:calc(12px * var(--fs));font-weight:800;text-align:center;white-space:nowrap}
.um-sl-p::after{content:"prefixul";color:var(--sun-ink)}
.um-sl-b::after{content:"unitatea";color:var(--sky)}
.um-sl-p.plin{border-style:solid;background:var(--sun-tint);color:var(--sun-ink)}
.um-sl-b.plin{border-style:solid;background:var(--sky-tint);color:var(--ink)}
.um-sl-p.pop,.um-sl-b.pop{animation:um-pop .35s ease-out}
.um-slot.bun .um-sl-p,.um-slot.bun .um-sl-b{border-color:var(--leaf);background:var(--leaf-tint);color:var(--leaf-deep)}
.um-slot.rau{animation:um-shake .45s}
.um-row{display:grid;grid-template-columns:5.6em minmax(0,1fr);align-items:center;gap:10px;margin:8px 0}
.um-lbl{font-weight:800;color:var(--muted);font-size:calc(14px * var(--fs))}
.um-tiles{display:flex;flex-wrap:wrap;gap:8px}
/* plăcuțe mari, la fel, cu starea „ales” clară */
.um-lab .chip.um-t,.um-lab .chip.um-o{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;min-width:calc(68px * var(--fs));min-height:calc(50px * var(--fs));padding:4px 10px;font-size:calc(17px * var(--fs));font-weight:800;line-height:1.1;color:var(--ink);border:3px solid var(--stripe);border-radius:14px;box-shadow:0 4px 0 var(--stripe);cursor:pointer}
.um-lab .chip.um-t small{font-size:calc(13px * var(--fs));color:var(--muted)}
.um-lab .chip.um-t:hover,.um-lab .chip.um-o:hover{transform:translateY(-2px)}
.um-lab .chip.um-t.ales,.um-lab .chip.um-o.ales{background:var(--berry);border-color:var(--berry);color:var(--card);box-shadow:0 4px 0 var(--ink);transform:translateY(-2px)}
.um-lab .chip.um-t.ales small{color:var(--card)}
.um-lab .chip.um-t:disabled,.um-lab .chip.um-o:disabled{opacity:.55;transform:none;cursor:default}
/* butoanele de jos: separate de plăcuțe */
.um-act{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-top:10px;padding-top:10px;border-top:2px dashed var(--line)}
.um-act .verif{margin-left:auto}
.um-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.um-nr{color:var(--muted);font-weight:800}

/* comparatorul: perechea în stânga, opțiunile în dreapta, pe același rând */
.um-cmpl{display:grid;gap:8px}
.um-cr{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;column-gap:12px;background:var(--card);border:2px solid var(--line);border-radius:14px;padding:6px 10px;color:var(--ink)}
.um-cr-p{display:flex;align-items:center;gap:8px;font-weight:800;font-size:calc(19px * var(--fs))}
.um-cr-v{display:inline-flex;align-items:center;justify-content:center;min-width:4.6em;height:calc(40px * var(--fs));border-radius:10px;background:var(--leaf-tint);white-space:nowrap;padding:0 6px}
.um-cr-s{display:inline-flex;align-items:center;justify-content:center;width:calc(40px * var(--fs));height:calc(40px * var(--fs));border:3px dashed var(--line);border-radius:10px;color:var(--muted)}
.um-cr-s.plin{border-style:solid;border-color:var(--berry);color:var(--berry);background:var(--berry-tint)}
.um-cr-o{display:flex;gap:6px;align-items:center}
.um-lab .chip.um-o{min-width:calc(46px * var(--fs));min-height:calc(42px * var(--fs));font-size:calc(20px * var(--fs));padding:2px 8px}
.um-lab .chip.um-o.nu{font-size:calc(14px * var(--fs));min-width:calc(84px * var(--fs))}
.um-cr-x{font-size:calc(14px * var(--fs));color:var(--leaf-deep);font-weight:800;text-align:center;line-height:1.2}
.um-cr.bun{border-color:var(--leaf);background:var(--leaf-tint)}
.um-cr.bun .um-cr-s{border-color:var(--leaf);color:var(--leaf-deep);background:var(--card)}
.um-cr.rau{animation:um-shake .45s;border-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:um-pop .4s ease-out}
.an-cer{margin:12px 0 0;text-align:center;font-weight:800;color:var(--muted);font-size:calc(15px * var(--fs))}
.an-q{font-size:calc(28px * var(--fs));font-weight:800;margin:6px 0 12px;color:var(--ink);text-align:center}
.an-q.mic{font-size:calc(21px * var(--fs))}
.an-q .gol{display:inline-block;min-width:2.6em;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:um-pop .35s}
.an-var{justify-content:center}
.an-var .chip{font-size:calc(19px * var(--fs));min-width:5em;min-height:calc(48px * var(--fs))}
.an-msg{min-height:1.5em;margin:8px 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:um-pop .5s}

@keyframes um-pop{0%{transform:scale(.7)}70%{transform:scale(1.12)}100%{transform:none}}
@keyframes um-shake{0%,100%{transform:none}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}

/* mișcare redusă: animațiile se opresc; tabelul prefixelor rămâne pe coloana „kilo” (js/aplicatie.js) */
@media (prefers-reduced-motion: reduce){
  .um-pt-c,.um-sl-p,.um-sl-b,.um-slot,.um-gata,.um-cr,.an-q .gol,.an-scor,.an-serie{animation:none!important;transition:none!important}
}

/* telefon: comparatorul pe două rânduri (perechea, apoi opțiunile) */
html.flow .um-cr{grid-template-columns:minmax(0,1fr);row-gap:6px}
html.flow .um-cr-p{justify-content:center}
html.flow .um-cr-x:empty{display:none}
html.flow .um-cr-o{justify-content:center}
html.flow .um-row{grid-template-columns:minmax(0,1fr)}
html.flow .um-pt-g{grid-template-columns:24px repeat(7,minmax(0,1fr));gap:3px}
html.flow .um-pt-u{font-size:calc(15px * var(--fs))}
html.flow .um-pt-h{font-size:calc(10px * var(--fs))}
html.flow .um-pt-h small{font-size:calc(11px * var(--fs))}

/* 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}