/* aplicatie.css — stiluri proprii lecției „Laboratorul valorii poziționale” (doar variabile de culoare). */

/* ---------- culorile ordinelor, aceleași în toate desenele: mii · sute · zeci · unități ---------- */
.pv-m{--c:var(--berry);--ct:var(--berry-tint);--cx:var(--berry)}
.pv-s{--c:var(--sky);--ct:var(--sky-tint);--cx:var(--sky)}
.pv-z{--c:var(--leaf);--ct:var(--leaf-tint);--cx:var(--leaf-deep)}
.pv-u{--c:var(--sun-edge);--ct:var(--sun-tint);--cx:var(--sun-ink)}

/* ---------- blocurile de bază 10 (SVG) ---------- */
.bk .f{fill:var(--c);fill-opacity:.36;stroke:var(--c);stroke-width:1.2}
.bk .t{fill:var(--c);fill-opacity:.55;stroke:var(--c);stroke-width:1}
.bk .sd{fill:var(--c);fill-opacity:.85;stroke:var(--c);stroke-width:1}
.bk .g{fill:none;stroke:var(--c);stroke-width:.55;opacity:.7}
.pv-svg,.ab-svg,.zece-svg{display:block;width:100%;height:auto;overflow:visible}
.pv-gol{fill:none;stroke:var(--muted);stroke-width:2;stroke-dasharray:6 5}
.pv-lbl{font:800 17px "Nunito",system-ui,sans-serif;fill:var(--ink)}
.pv-nr{font:800 24px "Baloo 2",system-ui,sans-serif;fill:var(--cx)}
.inel .bk .f{fill-opacity:.8;stroke:var(--ink);stroke-width:1.4}
/* planșele desenate: fundal de card, ca să fie lizibile în toate stilurile (și în Cald) */
.plate .cov-pv,.plate .pv-four,.plate .pv-zece,.plate .pv-tab,.plate .pv-det,.plate .pv-ab,.plate .pv-mod,.plate .bl-scena,.plate .ds-scena{
  background:var(--card);color:var(--ink);border-radius:12px;padding:14px;font-weight:800}

/* ---------- copertă: 2 341 — coloana, cifra și termenul se aprind în același pas (un singur ceas) ---------- */
.cov-pv{text-align:center}
.cov-nr{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(58px * var(--fs));line-height:1;margin-bottom:10px}
.cv-d{display:inline-block;color:var(--cx);border-radius:12px;padding:0 6px;transition:background .3s,transform .3s}
.cv-sp{display:inline-block;width:.28em}
.cov-eq{margin:10px 0 0;font-size:calc(21px * var(--fs))}
.cv-t{color:var(--cx);border-radius:8px;padding:0 6px;transition:background .3s}
.cv-d.on,.cv-t.on{background:var(--ct);transform:scale(1.08)}
.cov-pv .pv-col{transition:opacity .35s}
.cov-pv:not(.static) .pv-col:not(.on){opacity:.4}

/* ---------- stația 1: cele patru blocuri, cu eticheta exact sub fiecare ---------- */
.pv-four{display:flex;align-items:flex-end;justify-content:space-around;gap:10px}
.pv-fb{margin:0;display:flex;flex-direction:column;align-items:center;gap:10px;min-width:0}
.pv-fb-img{height:122px;display:flex;align-items:flex-end;justify-content:center}
.pv-fb figcaption{display:flex;flex-direction:column;align-items:center;text-align:center;line-height:1.15}
.pv-fb figcaption b{font-size:calc(17px * var(--fs));color:var(--ink)}
.pv-fb figcaption span{margin-top:4px;background:var(--ct);color:var(--cx);border-radius:999px;padding:2px 10px;font-size:calc(15px * var(--fs));white-space:nowrap}

/* ---------- stația 2: zece fac unul ---------- */
.zr-bg{fill:transparent;transition:fill .3s}
.zr.on .zr-bg{fill:var(--sun-tint)}
.zp{transition:transform .7s ease-in-out}
.zr.on .zp{transform:translate(var(--dx,0px),var(--dy,0px))}
.zr-rez{transition:opacity .4s}
.pv-zece:not(.static) .zr:not(.on) .zr-rez{opacity:.35}
.zr-eq{font:800 30px "Baloo 2",system-ui,sans-serif;fill:var(--muted)}
.zr-txt{font:800 22px "Nunito",system-ui,sans-serif;fill:var(--ink)}
.zr-txt tspan{fill:var(--cx)}

/* ---------- stația 3: tabelul claselor și ordinelor ---------- */
.pv-tab table{width:100%;border-collapse:separate;border-spacing:4px;table-layout:fixed}
.pv-tab th,.pv-tab td{border-radius:10px;text-align:center;padding:6px 4px;background:var(--ct,var(--paper))}
.pv-tab th{font-size:calc(15px * var(--fs));color:var(--cx,var(--ink));line-height:1.1}
.pv-tab th small{display:block;font-size:.72em;color:var(--muted);margin-top:2px}
.pv-tab th.cl{background:var(--paper);color:var(--ink);border:2px solid var(--line)}
.pv-tab th.zm,.pv-tab td.zm{background:var(--paper);color:var(--muted)}
.pv-tab td{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(32px * var(--fs));color:var(--cx,var(--ink));line-height:1.1}
.pv-tab td:empty{background:transparent;border:2px dashed var(--line)}

/* ---------- stația 9: fișa detectivului ---------- */
.dt-cifre{display:flex;justify-content:center;align-items:flex-start;gap:8px;margin-bottom:12px}
.dt-c{display:inline-flex;flex-direction:column;align-items:center;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(46px * var(--fs));line-height:1;color:var(--cx);background:var(--ct);border-radius:12px;padding:6px 12px 4px;min-width:1.4em}
.dt-c small{font-family:"Nunito",system-ui,sans-serif;font-size:calc(14px * var(--fs));margin-top:4px}
.dt-val{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.dt-val li{background:var(--ct);border-radius:10px;padding:6px 12px;font-size:calc(17px * var(--fs));color:var(--ink)}
.dt-val li b{color:var(--cx)}

/* ---------- abacul ---------- */
.pv-ab,.ds-scena{text-align:center}
.pv-ab .ab-svg,.ds-scena .ab-svg{max-width:300px;margin:0 auto}
.ab-baza{fill:var(--line);stroke:var(--muted);stroke-width:1.5}
.ab-tija{fill:var(--muted)}
.ab-bila{fill:var(--c);stroke:var(--ink);stroke-width:.8}
.ab-num{margin:6px 0 0;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(34px * var(--fs));line-height:1.1;color:var(--ink)}

/* ---------- modele cu blocuri (stațiile 4, 6, 8) ---------- */
.mod-eq{margin:8px 0 0;text-align:center;font-size:calc(19px * var(--fs))}
.mod-eq b.m{color:var(--berry)} .mod-eq b.s{color:var(--sky)} .mod-eq b.z{color:var(--leaf-deep)} .mod-eq b.u{color:var(--sun-ink)}

/* ---------- laboratoarele: rândul de sus și mesajele ---------- */
.bl-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))}
.bl-val{background:var(--paper);border:2px solid var(--line);border-radius:999px;padding:2px 12px;color:var(--ink)}
.bl-val b{font-family:"Baloo 2",system-ui,sans-serif;font-size:1.25em}
.bl-info{min-height:1.4em;margin:2px 0 0;font-weight:800;font-size:calc(15px * var(--fs));color:var(--muted);text-align:center}
.bl-info.bine{color:var(--leaf-deep)} .bl-info.rau{color:var(--berry)}
.bl-act,.ds-act,.dc-act{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-top:4px;padding-top:8px;border-top:2px dashed var(--line)}
.bl-act .verif,.ds-act .verif,.dc-act .dc-next{margin-left:auto}
.ds-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.scutura{animation:pv-shake .45s}
@keyframes pv-shake{0%,100%{transform:none}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
@keyframes pv-pop{0%{transform:scale(.5);opacity:0}70%{transform:scale(1.12);opacity:1}100%{transform:none;opacity:1}}

/* ---------- laborator 1: construiește cu blocuri ---------- */
.bl-cer{margin:6px 0 8px;font-size:calc(19px * var(--fs));font-weight:800;color:var(--ink);text-align:center}
.bl-cer b{font-family:"Baloo 2",system-ui,sans-serif;font-size:1.2em}
.bl-cer .tinta{background:var(--sun-tint);border-radius:10px;padding:0 8px;color:var(--ink)}
.bl-ctrl{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.bl-c{display:flex;flex-direction:column;align-items:center;gap:2px;background:var(--ct);border:3px solid var(--c);border-radius:14px;padding:6px 4px 8px;min-width:0}
.bl-n{font-weight:800;font-size:calc(14px * var(--fs));color:var(--cx)}
.bl-d{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(32px * var(--fs));line-height:1;color:var(--cx)}
.bl-pm{display:flex;gap:8px;margin-top:4px}
.bl-c .btn.bl-b{min-width:calc(42px * var(--fs));min-height:calc(42px * var(--fs));padding:0 6px;font-size:calc(24px * var(--fs));line-height:1;display:inline-flex;align-items:center;justify-content:center}
.bl-c .btn.bl-minus{background:var(--card);color:var(--ink);border:2px solid var(--line);box-shadow:0 3px 0 var(--line)}
.bl-c .btn.bl-b:disabled{opacity:.45;cursor:not-allowed}
.bl-scena .pv-svg{max-height:300px}
/* stațiile cu blocuri: planșa primește mai mult loc, ca blocurile să fie mai mari */
html:not(.flow) .view:has(.plate .bl-scena) .lesson,html:not(.flow) .view:has(.plate .pv-mod) .lesson{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr)}
/* pe telefon, masa de lucru stă deasupra butoanelor */
html.flow .lesson .work:has(.bl-scena){order:-1}
/* pe telefon coloanele sunt înguste: + și − stau unul sub altul */
html.flow .bl-pm{flex-direction:column}
/* blocul nou apare cu un salt; după un zbor, apare când blocul care zboară ajunge */
.pv-svg .nou{transform-box:fill-box;transform-origin:center;animation:pv-pop .35s ease-out both}
.pv-svg .nou.tarziu{animation-delay:.85s}
.bl-zboara{animation:bl-zbor 1.1s ease-in-out forwards}
.bl-stinge{animation:bl-stinge .5s ease-in forwards}
@keyframes bl-zbor{0%{opacity:0;transform:none}25%{opacity:1;transform:none}80%{opacity:1;transform:translate(var(--dx),var(--dy))}100%{opacity:0;transform:translate(var(--dx),var(--dy))}}
@keyframes bl-stinge{0%{opacity:1}100%{opacity:0}}
:root.a-still .bl-ghost{display:none}

/* ---------- laborator 2: descompune numărul ---------- */
.ds-expr{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin:10px 0 14px;font-weight:800;font-size:calc(24px * var(--fs));color:var(--ink);line-height:1}
.ds-n,.ds-p{font-family:"Baloo 2",system-ui,sans-serif;font-size:1.15em}
.ds-g{display:inline-flex;align-items:center;gap:6px}
.ds-et{font-size:calc(17px * var(--fs));color:var(--muted)}
.ds-slot{min-width:calc(84px * var(--fs));height:calc(52px * var(--fs));padding:0 10px;display:inline-flex;align-items:center;justify-content:center;border:3px dashed var(--berry);border-radius:12px;background:var(--card);color:var(--muted);font:800 calc(22px * var(--fs)) "Nunito",system-ui,sans-serif;cursor:pointer}
.ds-slot.activ{border-style:solid;border-color:var(--sky);background:var(--sky-tint);box-shadow:0 0 0 3px var(--sky-tint)}
.ds-slot.plin{border-style:solid;border-color:var(--leaf);background:var(--leaf-tint);color:var(--leaf-deep);animation:pv-pop .3s ease-out}
.ds-slot.plin.activ{border-color:var(--sky)}
.ds-tiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;max-width:420px;margin:0 auto}
.ds-tiles.n4{grid-template-columns:repeat(4,minmax(0,1fr));max-width:480px}
.ds .ds-tiles .chip.ds-t{min-width:0}
.ds .ds-tiles .chip.ds-t{min-width:calc(78px * var(--fs));min-height:calc(48px * var(--fs));padding:4px 14px;font-size:calc(20px * var(--fs));font-weight:800;color:var(--ink);border:3px solid var(--stripe);border-radius:14px;box-shadow:0 5px 0 var(--stripe);cursor:pointer}
.ds .ds-tiles .chip.ds-t:hover{transform:translateY(-2px)}
.ds .ds-tiles .chip.ds-t.folosit,.ds .ds-tiles .chip.ds-t:disabled{opacity:.35;transform:none;box-shadow:none;cursor:default}

/* ---------- laborator 3: cifra-detectiv ---------- */
.dc-q{margin:8px 0 10px;font-size:calc(19px * var(--fs));font-weight:800;color:var(--ink);text-align:center}
.dc-nr{display:flex;justify-content:center;align-items:flex-end;gap:8px;margin:14px 0 12px}
.dc-c{position:relative;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;width:calc(66px * var(--fs));height:calc(86px * var(--fs));border:3px solid var(--line);border-radius:14px;background:var(--card);color:var(--ink);font:800 calc(46px * var(--fs))/1 "Baloo 2",system-ui,sans-serif;padding:0}
.dc-c small{font:800 calc(13px * var(--fs))/1 "Nunito",system-ui,sans-serif;visibility:hidden;margin-top:2px}
button.dc-c{cursor:pointer;border-color:var(--sky);box-shadow:0 5px 0 var(--sky-tint)}
button.dc-c:hover{transform:translateY(-2px)}
.dc-c.tinta{border-color:var(--berry);border-width:4px;background:var(--berry-tint)}
.dc-c.tinta::before{content:"🔎";position:absolute;top:-24px;left:50%;transform:translateX(-50%);font-size:20px;line-height:1}
.dc-c.arata small{visibility:visible;color:var(--muted)}
.dc-c.bun{border-color:var(--leaf);background:var(--leaf-tint);color:var(--leaf-deep)}
.dc-c:disabled{cursor:default;transform:none}
.dc-var{justify-content:center}
.dc-var .chip{font-size:calc(19px * var(--fs));min-width:5em;min-height:calc(46px * var(--fs))}
.dc-ok{letter-spacing:2px}

/* ---------- 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:pv-pop .4s ease-out}
.an-q{font-size:calc(24px * var(--fs));font-weight:800;margin:14px 0;color:var(--ink);text-align:center;line-height:1.3}
.an-q .gol{display:inline-block;min-width:3.2em;border-bottom:3px dashed var(--leaf);text-align:center;color:var(--muted)}
.an-q .gol.plin{border-bottom-style:solid;color:var(--leaf-deep)}
.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:"Baloo 2",system-ui,sans-serif;font-size:calc(54px * var(--fs));color:var(--leaf-deep);animation:pv-pop .5s}

/* mișcare redusă (sistem): animațiile se opresc; coperta și stația 2 rămân pe o stare completă (js/aplicatie.js) */
@media (prefers-reduced-motion: reduce){
  .pv-svg .nou,.ds-slot.plin,.an-scor,.an-serie,.scutura,.zp,.cv-d,.cv-t{animation:none!important;transition:none!important}
  .bl-ghost{display:none}
}

/* 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}