/* aplicatie.css — stiluri proprii lecției „Forma dezvoltată la înmulțire” (doar variabile de culoare).
   Culorile ordinelor: unități = verde (fd-p0), zeci = albastru (fd-p1), sute = roșu (fd-p2), mii = galben (fd-p3). */

/* ---------- culorile ordinelor ---------- */
.fd-p0{color:var(--leaf-deep)} .fd-p1{color:var(--sky)} .fd-p2{color:var(--berry)} .fd-p3{color:var(--sun-ink)} .fd-p4{color:var(--ink)}
.fd-pc{display:inline-flex;align-items:center;justify-content:center;border:3px solid currentColor;border-radius:10px;padding:0 8px;line-height:1.25;background:var(--card);font-variant-numeric:tabular-nums}
.fd-pc.fd-p0{background:var(--leaf-tint)} .fd-pc.fd-p1{background:var(--sky-tint)} .fd-pc.fd-p2{background:var(--berry-tint)} .fd-pc.fd-p3{background:var(--sun-tint)}

/* ---------- planșe desenate ---------- */
/* cifre de aceeași lățime și spațiul de la mii vizibil și când fontul Baloo nu s-a încărcat */
.fd-cov,.fd-split,.fd-banda,.fd-zer,.fd-flow,.fdb,.fdm,.fdg,.an{font-variant-numeric:tabular-nums}
.plate .fd-cov,.plate .fd-split,.plate .fd-banda,.plate .fd-zer,.plate .fd-flow{background:var(--card);color:var(--ink);border-radius:12px;padding:16px;font-weight:800}

/* copertă: rândurile apar unul câte unul (un singur ceas în js/aplicatie.js); locul lor e rezervat, deci nimic nu sare */
.fd-cov{text-align:center;font-family:var(--f-display);padding:18px 12px!important}
.fd-rand{margin:6px 0;font-size:calc(30px * var(--fs));line-height:1.3;opacity:0;transform:translateY(8px);transition:opacity .4s,transform .4s;white-space:nowrap}
.fd-rand.on{opacity:1;transform:none}
.fd-rand .fd-pc{font-size:.85em}
.fd-nr{font-size:1.15em}
.fd-tot b{background:var(--sun);color:var(--on-sun);border-radius:12px;padding:0 12px;box-shadow:0 4px 0 var(--sun-edge)}
.fd-cov-note{margin:12px 0 0;font-family:var(--f-body);font-size:calc(17px * var(--fs));color:var(--muted);min-height:1.4em}
.fd-cov-note b{color:var(--ink)}
.fd-cov.static .fd-rand{opacity:1;transform:none}
html.flow .fd-rand{font-size:calc(23px * var(--fs))}

/* stația 1: numărul se desface; strâns ↔ desfăcut, cu același ceas */
.fd-split{text-align:center;font-family:var(--f-display)}
.fd-whole{font-size:calc(64px * var(--fs));line-height:1.1;letter-spacing:.06em}
.fd-parts{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:14px;transition:gap .5s}
.fd-parts i{font-style:normal;color:var(--muted);font-size:calc(26px * var(--fs));transition:opacity .4s}
.fd-part{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:3.6em;border:3px solid currentColor;border-radius:14px;padding:6px 10px;transition:transform .5s,opacity .5s}
.fd-part b{font-size:calc(34px * var(--fs));line-height:1.1}
.fd-part small{font-family:var(--f-body);font-size:calc(14px * var(--fs));font-weight:800}
.fd-part.fd-p0{background:var(--leaf-tint)} .fd-part.fd-p1{background:var(--sky-tint)} .fd-part.fd-p2{background:var(--berry-tint)}
.fd-split.fd-strans .fd-parts{gap:0}
.fd-split.fd-strans .fd-parts i{opacity:0}
.fd-split.fd-strans .fd-part{transform:translateY(-14px) scale(.9);opacity:.35}

/* stațiile 2 și 6: fiecare bucată se înmulțește */
.fd-banda{font-family:var(--f-display)}
.fd-par{margin:0 0 10px;text-align:center;font-size:calc(28px * var(--fs))}
.fd-par .fd-pc{font-size:.85em}
.fd-par span{color:var(--muted)}
.fd-bl{display:grid;grid-template-columns:1fr auto auto 1fr;align-items:center;gap:10px;margin:8px 0;font-size:calc(26px * var(--fs))}
.fd-bl>b:first-child{justify-self:end}
.fd-bl>b:last-child{justify-self:start}
.fd-bl span{color:var(--muted)}
.fd-bl.fd-gol{opacity:.55}
.fd-sum{margin:10px 0 0}
.fd-sum b{background:var(--sun);color:var(--on-sun);border-radius:10px;padding:0 10px}

/* stațiile 3, 5, 7: rânduri de calcul */
.fd-zer{font-family:var(--f-display);text-align:center}
.fd-zer p{margin:10px 0;font-size:calc(28px * var(--fs))}
.fd-zer u{text-decoration:none;border-bottom:4px solid currentColor}
.fd-zer small{font-family:var(--f-body);font-size:calc(15px * var(--fs));color:var(--muted);margin-left:6px}

/* ---------- înmulțirea în coloană (școala românească): semnul × la DREAPTA primului număr ---------- */
.fd-col{--w:1.08em;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:1.12;font-variant-numeric:tabular-nums;color:var(--ink);vertical-align:middle}
.fd-col>span,.fd-col>button{display:flex;align-items:center;justify-content:center;box-sizing:border-box;min-width:0}
.fd-col.fd-mic{font-size:calc(34px * var(--fs))}
.fd-h{font-size:.4em;font-weight:900;padding:2px 0;border-radius:6px 6px 0 0}
.fd-h.fd-p0{background:var(--leaf-tint)} .fd-h.fd-p1{background:var(--sky-tint)} .fd-h.fd-p2{background:var(--berry-tint)} .fd-h.fd-p3{background:var(--sun-tint)}
.fd-col .fd-h:empty{background:none}
.fd-tr{font-size:.5em;height:1.35em;align-items:flex-end!important}
.fd-ascuns{visibility:hidden}
.fd-semn{color:var(--muted)}
.fd-f{color:var(--ink)}
.fd-r{border-top:4px solid var(--ink);min-height:1.12em}
.fd-col .fd-mii{padding-right:.12em}
.fd-col .fd-act{background:var(--sun-tint);border-radius:6px}
.fd-col .fd-h.fd-act{outline:3px solid var(--sun);outline-offset:-1px}

/* stația 8: coloana + produsele parțiale, aprinse împreună */
.fd-flow-r{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap}
.fd-pp{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.fd-pp li{border:3px solid currentColor;border-radius:12px;padding:4px 12px;font-family:var(--f-display);font-size:calc(20px * var(--fs));opacity:.4;transition:opacity .3s,transform .3s;background:var(--card)}
.fd-pp li.gata{opacity:.8}
.fd-pp li.on{opacity:1;transform:scale(1.06)}
.fd-pp li.fd-p0{background:var(--leaf-tint)} .fd-pp li.fd-p1{background:var(--sky-tint)} .fd-pp li.fd-p2{background:var(--berry-tint)}
.fd-flow-t{margin:12px 0 0;text-align:center;font-size:calc(17px * var(--fs));min-height:1.4em}
.fd-flow-all{display:none;margin:10px 0 0;padding-left:1.3em;font-weight:700;font-size:calc(15px * var(--fs));line-height:1.45}
.fd-flow.static .fd-flow-t{display:none}
.fd-flow.static .fd-flow-all{display:block}
.fd-flow.static .fd-pp li{opacity:1;transform:none}

/* ---------- laborator 1: desface și înmulțește ---------- */
.fdb-top{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;margin-bottom:4px}
.fdb-calc{font-family:var(--f-display);font-weight:800;font-size:calc(28px * var(--fs));color:var(--ink);white-space:nowrap}
.fdb-calc .fd-pc{font-size:.85em}
.fdb-n{letter-spacing:.04em}
.fdb-pop{animation:fd-pop .45s ease-out both}
.fdb-pop:nth-child(2){animation-delay:.12s} .fdb-pop:nth-child(3){animation-delay:.24s} .fdb-pop:nth-child(4){animation-delay:.36s}
.fdb-rows{display:flex;flex-direction:column;gap:3px}
.fdb-row{display:flex;align-items:center;gap:10px;padding:2px 6px;border-radius:12px;border:2px solid transparent}
.fdb-row.rau{border-color:var(--berry);background:var(--berry-tint)}
.fdb-pc{min-width:4.2em;height:calc(36px * var(--fs));font-family:var(--f-display);font-weight:800;font-size:calc(21px * var(--fs));box-sizing:border-box}
.fdb-op{font-weight:800;color:var(--muted);font-size:calc(18px * var(--fs));white-space:nowrap;min-width:3.4em}
.fdb-sum{border-top:2px dashed var(--line);border-radius:0;padding-top:5px}
.fdb-ops{display:flex;gap:8px;flex-wrap:wrap}
.fdb-sum .fdb-op{min-width:calc(4.2em * 21 / 18 + 10px + 3.4em)}
/* plăcuțele: mari, la fel, cu starea „ales” clară */
.fdb .chip.fdb-t,.fdm .chip.fdm-c{min-width:calc(78px * var(--fs));min-height:calc(36px * var(--fs));padding:2px 12px;font-size:calc(19px * 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}
.fdb .chip.fdb-t:hover,.fdm .chip.fdm-c:hover{transform:translateY(-2px)}
.fdb .chip.fdb-t.ales,.fdm .chip.fdm-c.ales{background:var(--berry);border-color:var(--berry);color:var(--card);box-shadow:0 4px 0 var(--ink);transform:translateY(-3px)}
.fdb .chip.fdb-t.good{background:var(--leaf);border-color:var(--leaf-deep);color:var(--on-leaf);box-shadow:0 4px 0 var(--leaf-deep)}
.fdb .chip.fdb-t:disabled:not(.good){opacity:.45;transform:none}
.fdb-act,.fdm-act,.fdg-act{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-top:10px;padding-top:8px;border-top:2px dashed var(--line)}
.fdb-act .verif,.fdm-act .verif,.fdg-act .verif{margin-left:auto}
.fdb-act .verif:disabled,.fdm-act .verif:disabled,.fdg-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* ---------- laborator 2: potrivește cu coloana ---------- */
.fdm-r{display:flex;align-items:center;justify-content:center;gap:22px;flex-wrap:wrap}
.fdm-col{background:var(--card);border:2px solid var(--line);border-radius:12px;padding:6px 12px}
.fdm-col .fd-cif{font:inherit;color:inherit;background:var(--card);border:3px dashed currentColor;border-radius:10px;cursor:pointer;margin:1px;padding:0}
.fdm-col .fd-cif:hover{transform:translateY(-2px)}
.fdm-col .fd-cif.fd-p0{background:var(--leaf-tint)} .fdm-col .fd-cif.fd-p1{background:var(--sky-tint)} .fdm-col .fd-cif.fd-p2{background:var(--berry-tint)} .fdm-col .fd-cif.fd-p3{background:var(--sun-tint)}
.fdm-col .fd-cif:disabled{border-style:solid;cursor:default;transform:none}
.fdm-ch{display:flex;flex-direction:column;gap:10px;align-items:stretch}
.fdm .chip.fdm-c{display:flex;align-items:center;justify-content:space-between;gap:8px;min-width:calc(150px * var(--fs))}
.fdm .chip.fdm-c.fdm-legat{border-color:currentColor;box-shadow:0 4px 0 currentColor}
.fdm .chip.fdm-c.fdm-legat.fd-p0{background:var(--leaf-tint);color:var(--leaf-deep)}
.fdm .chip.fdm-c.fdm-legat.fd-p1{background:var(--sky-tint);color:var(--sky)}
.fdm .chip.fdm-c.fdm-legat.fd-p2{background:var(--berry-tint);color:var(--berry)}
.fdm .chip.fdm-c.fdm-legat.fd-p3{background:var(--sun-tint);color:var(--sun-ink)}
.fdm .chip.fdm-c:disabled{transform:none;cursor:default}
.fdm-la{font-size:calc(13px * var(--fs));font-weight:900}
.fdm-msg{margin:10px 0 0;text-align:center;font-weight:800;color:var(--ink);min-height:1.4em;font-size:calc(16px * var(--fs))}

/* ---------- laborator 3: găsește greșeala ---------- */
.fdg-lines{display:flex;flex-direction:column;gap:6px}
.fdg-l{display:flex;align-items:center;gap:12px;text-align:left;border:3px solid var(--line);background:var(--card);color:var(--ink);border-radius:14px;padding:6px 12px;font-family:var(--f-display);font-weight:800;font-size:calc(21px * var(--fs));cursor:pointer;min-height:calc(42px * var(--fs))}
.fdg-l:hover{border-color:var(--sky)}
.fdg-nr{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:1.6em;height:1.6em;border-radius:50%;background:var(--sky-tint);color:var(--sky);font-size:calc(15px * var(--fs))}
.fdg-l.ales{border-color:var(--berry);background:var(--berry-tint)}
.fdg-l.fdg-rau .fdg-tx{text-decoration:line-through;text-decoration-color:var(--berry);text-decoration-thickness:3px}
.fdg-l:disabled{cursor:default}
.fdg-fix{margin:8px 0 0;padding:6px 12px;border-radius:12px;background:var(--leaf-tint);color:var(--leaf-deep);border:2px solid var(--leaf);font-weight:800;font-size:calc(17px * var(--fs));animation:fd-pop .4s ease-out}

/* ---------- laborator 4: 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:fd-pop .4s ease-out}
.an-q{font-family:var(--f-display);font-size:calc(30px * var(--fs));font-weight:800;margin:12px 0 2px;color:var(--ink);text-align:center}
.an-q.an-q2{font-family:var(--f-body);font-size:calc(22px * var(--fs))}
.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:fd-pop .35s}
.an-sub{margin:0 0 10px;text-align:center;color:var(--muted);font-weight:800;font-size:calc(17px * var(--fs))}
.an-var{justify-content:center}
.an-var .chip{font-size:calc(19px * var(--fs));min-width:5.5em;min-height:calc(46px * 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:var(--f-display);font-size:calc(54px * var(--fs));color:var(--leaf-deep);animation:fd-pop .5s}

.fd-scut{animation:fd-shake .45s}
@keyframes fd-pop{0%{transform:scale(.6)}70%{transform:scale(1.12)}100%{transform:none}}
@keyframes fd-shake{0%,100%{transform:none}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}

/* mișcare redusă (sistem): animațiile decorative se opresc; coperta și stațiile 1 și 8 sunt oprite din js/aplicatie.js */
@media (prefers-reduced-motion: reduce){
  .fdb-pop,.fdg-fix,.an-q .gol,.an-scor,.an-serie,.fd-scut{animation:none!important}
  .fd-rand,.fd-part,.fd-parts,.fd-pp li{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}