/* aplicatie.css — stiluri proprii lecției „Dreptunghiuri: relația dintre arie și perimetru” (doar variabile de culoare). */

/* ---------- planșe desenate ---------- */
.plate .dr-host-cov,.plate .dr-host-st,.plate .dr-host,.plate .dr-unit,.plate .dr-cuv,.plate .dr-form,.plate .dr-lant,.plate .dr-dublu,.plate .dr-capc{
  background:var(--card);color:var(--ink);border-radius:12px;padding:14px;font-weight:800}
.dr-host{min-height:250px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px}

/* grădina pe rețea: gardul (perimetrul) pe margine, gazonul (aria) din pătrățele */
.dr-gr{display:flex;flex-direction:column;align-items:center;--dru:34px}
.dr-mare{--dru:44px}
.dr-host-st .dr-gr{--dru:46px}
.dr-mic{--dru:24px}
.dr-host .dr-gr{--dru:36px}
.dr-svg{display:block;max-width:100%;height:auto;overflow:visible}
.dr-gl line{stroke:var(--line);stroke-width:.04}
.dr-c{fill:var(--leaf);opacity:0;transition:opacity .2s}
.dr-c.on{opacity:.55}
.dr-e{stroke:var(--berry);stroke-width:.17;stroke-linecap:round;opacity:0;transition:opacity .15s}
.dr-e.on{opacity:1}
.dr-umbra{fill:none;stroke:var(--sky);stroke-width:.09;stroke-dasharray:.25 .18}
.dr-dim{font-size:.55px;font-weight:800;fill:var(--ink);text-anchor:middle;font-family:Nunito,system-ui,sans-serif}
.dr-dim.dr-dl{text-anchor:end}
.dr-mij{font-size:.8px;font-weight:900;fill:var(--leaf-deep);paint-order:stroke;stroke:var(--card);stroke-width:.14px;text-anchor:middle;font-family:"Baloo 2",system-ui,sans-serif}
.dr-cnt{display:flex;gap:10px;justify-content:center;align-items:center;flex-wrap:wrap;margin-top:10px}
.dr-cnt span{display:inline-flex;align-items:center;gap:4px;min-height:36px;padding:2px 14px;border-radius:999px;border:2px solid;font-size:calc(17px * var(--fs))}
.dr-cnt b{display:inline-block;min-width:1.6em;text-align:right;font-variant-numeric:tabular-nums}
.dr-ng{background:var(--berry-tint);border-color:var(--berry);color:var(--berry)}
.dr-nz{background:var(--leaf-tint);border-color:var(--leaf);color:var(--leaf-deep)}
.dr-cnt .ascuns{visibility:hidden}

/* stația 2: două unități */
.dr-unit{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.dr-u{border-radius:12px;padding:14px 10px;display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center}
.dr-up{background:var(--berry-tint)} .dr-ua{background:var(--leaf-tint)}
.dr-u b{font-size:calc(18px * var(--fs))}
.dr-uu{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(40px * var(--fs));line-height:1.1}
.dr-up .dr-uu{color:var(--berry)} .dr-ua .dr-uu{color:var(--leaf-deep)}
.dr-u small{font-size:calc(15px * var(--fs));color:var(--ink)}
.dr-u em{font-style:normal;color:var(--muted);font-size:calc(14px * var(--fs))}

/* stația 4: cuvintele-indiciu */
.dr-cuv{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.dr-cuv>div{border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:8px;align-items:center}
.dr-cp{background:var(--berry-tint)} .dr-ca{background:var(--leaf-tint)}
.dr-cuv b{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(22px * var(--fs))}
.dr-cp b{color:var(--berry)} .dr-ca b{color:var(--leaf-deep)}
.dr-cuv span{background:var(--card);border-radius:999px;padding:4px 14px;font-size:calc(17px * var(--fs));border:2px solid var(--line)}

/* stația 5: formulele */
.dr-form{display:grid;gap:12px}
.dr-form>div{border-radius:12px;padding:12px 16px;display:grid;grid-template-columns:auto 1fr;column-gap:14px;row-gap:2px;align-items:center}
.dr-fp{background:var(--berry-tint)} .dr-fa{background:var(--leaf-tint)}
.dr-form b{grid-row:span 2;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(22px * var(--fs))}
.dr-fp b{color:var(--berry)} .dr-fa b{color:var(--leaf-deep)}
.dr-form span{font-size:calc(26px * var(--fs))}
.dr-form small{font-size:calc(16px * var(--fs));color:var(--muted)}

/* stațiile 6, 7, 8: lanțul de calcul (verigi pe un rând, aceeași înălțime) */
.dr-lant{display:flex;flex-direction:column;align-items:center;gap:12px}
.dr-ln{display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap}
.dr-ln i{font-style:normal;color:var(--muted);font-weight:900;font-size:calc(16px * var(--fs))}
.dr-lb{display:inline-flex;align-items:center;justify-content:center;min-height:42px;box-sizing:border-box;padding:4px 12px;border-radius:12px;border:2px solid var(--sky);background:var(--sky-tint);color:var(--ink);font-size:calc(16px * var(--fs))}
.dr-lb.dr-lp{border-color:var(--berry);background:var(--berry-tint)}
.dr-lb.dr-la{border-color:var(--leaf);background:var(--leaf-tint)}
.dr-ln-lab .dr-lb{border-style:dashed;color:var(--muted);background:var(--card)}
.dr-ln-lab .dr-lb.on{border-style:solid;color:var(--ink);background:var(--sky-tint);animation:dr-pop .35s ease-out}
.dr-ln-lab .dr-lb.on.dr-fin{border-color:var(--leaf);background:var(--leaf-tint);color:var(--leaf-deep)}
.dr-ln-nota{margin:6px 0 0;color:var(--muted);font-size:calc(15px * var(--fs));text-align:center}
.dr-lab{--dru:30px}

/* stațiile 10, 11: două figuri comparate */
.dr-dublu,.dr-capc{display:grid;gap:10px}
.dr-dr{display:flex;align-items:center;gap:14px;border-radius:12px;background:var(--leaf-tint);padding:8px 12px}
.dr-dr p{margin:0;font-size:calc(16px * var(--fs));line-height:1.4}
.dr-dr em{font-style:normal;color:var(--berry)}

/* ---------- laborator: arie sau perimetru? ---------- */
.gm-top,.ln-top,.db-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))}
.gm-made,.ln-made{display:flex;gap:6px;flex-wrap:wrap}
.gm-gata,.ln-gata{background:var(--leaf-tint);color:var(--leaf-deep);border:2px solid var(--leaf);border-radius:999px;padding:1px 10px;font-weight:800;font-size:calc(13px * var(--fs));animation:dr-pop .35s ease-out}
.gm-ob{margin:6px 0 8px;font-size:calc(20px * var(--fs));font-weight:800;color:var(--ink)}
.gm-em{font-size:1.2em}
.gm-rows{display:grid;gap:8px}
.gm-rand{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;border:2px solid var(--line);border-radius:14px;padding:6px 8px 6px 12px;background:var(--card)}
.gm-rand.rau{border-color:var(--berry);animation:dr-shake .45s}
.gm-rand.bun{border-color:var(--leaf);background:var(--leaf-tint)}
.gm-nev{font-weight:800;font-size:calc(17px * var(--fs));color:var(--ink)}
.gm-opt{display:flex;gap:8px;flex-wrap:wrap}
/* plăcuțele: mari, cu starea „ales” clară */
.gm .gm-b,.db .db-o{min-height:calc(46px * var(--fs));padding:4px 14px;font-size:calc(17px * var(--fs));border:3px solid var(--stripe);border-radius:14px;box-shadow:0 4px 0 var(--stripe);cursor:pointer}
.gm .gm-b.ales{background:var(--sky);border-color:var(--sky);color:var(--card);box-shadow:0 4px 0 var(--ink);transform:translateY(-2px)}
.gm .gm-b:disabled{cursor:default}
.gm .gm-b:disabled:not(.ales){opacity:.5}
.gm-act,.ln-act,.db-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)}
.gm-act:empty,.ln-act:empty{display:none}
.gm-act .verif,.gm-act .gm-urm,.ln-act .ln-urm,.db-act .verif{margin-left:auto}
.gm-act .verif:disabled,.db-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* ---------- laborator: lanțul de calcul ---------- */
.ln-txt{margin:4px 0 6px;font-size:calc(17px * var(--fs));font-weight:800;color:var(--ink);line-height:1.35}
.ln-pasi{display:grid;gap:8px}
.ln-rand{display:flex;align-items:center;gap:10px;flex-wrap:wrap;border-radius:14px;padding:4px 10px;min-height:48px;box-sizing:border-box;border:2px solid var(--line);background:var(--card)}
.ln-rand.acum{border-color:var(--sky);background:var(--sky-tint)}
.ln-rand.gata{border-color:var(--leaf);background:var(--leaf-tint)}
.ln-rand.viitor{border-style:dashed;color:var(--muted)}
.ln-et{font-weight:800;font-size:calc(17px * var(--fs));color:var(--ink)}
.ln-rand.viitor .ln-et{color:var(--muted)}
.ln-rez{display:inline-flex;align-items:center;min-height:36px;padding:0 12px;border-radius:10px;background:var(--leaf);color:var(--on-leaf);font-weight:900;font-size:calc(17px * var(--fs));animation:dr-pop .35s ease-out}
.ln-nr{flex:0 0 auto;display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--sky);color:var(--card);font-size:calc(15px * var(--fs))}
.ln-rand.gata .ln-nr{background:var(--leaf)}
.ln-rand.viitor .ln-nr{background:var(--line);color:var(--muted)}
.ln-tot{justify-content:center;gap:8px}
.ln-sag{font-style:normal;color:var(--leaf-deep);font-weight:900}
.ln-var{gap:8px}
.ln .ln-v{min-width:4em;min-height:calc(42px * var(--fs));font-size:calc(17px * var(--fs));border:3px solid var(--stripe);box-shadow:0 4px 0 var(--stripe)}

/* ---------- laborator: dublează și observă ---------- */
.db-tinta{color:var(--ink);font-size:calc(17px * var(--fs));background:var(--sun-tint);border:2px solid var(--sun);border-radius:999px;padding:2px 12px}
.db [hidden],.gm [hidden],.ln [hidden]{display:none!important}
.db-btn{display:flex;gap:10px;margin:10px 0 8px}
.db-btn .btn{flex:1 1 0;min-width:10em}
.db-btn .btn.activ{background:var(--sky);color:var(--card);border-color:var(--sky)}
.db-tab{display:grid;border:2px solid var(--line);border-radius:12px;overflow:hidden;font-size:calc(16px * var(--fs));font-weight:800;color:var(--ink)}
.db-h,.db-r{display:grid;grid-template-columns:1.1fr 1fr 1fr 1fr;align-items:center}
.db-h>*,.db-r>*{padding:5px 8px;text-align:center}
.db-h{background:var(--sky-tint);color:var(--muted)}
.db-r>span:first-child{text-align:left}
.db-r+.db-r{border-top:1px solid var(--line)}
.db-ra{background:var(--leaf-tint)} .db-rp{background:var(--berry-tint)}
.db-x{color:var(--berry);font-weight:900}
.db-ra .db-x{color:var(--leaf-deep)}
.db-obs{margin-top:8px}
.db-oq{margin:0 0 6px;font-weight:800;color:var(--ink);font-size:calc(17px * var(--fs))}

/* ---------- 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:dr-pop .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(18px * 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:dr-pop .5s}

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

/* fără animații: desenele se arată complete (ceasul din js/aplicatie.js se oprește pe starea finală) */
html.a-still .dr-c,html.a-still .dr-e{transition:none}
@media (prefers-reduced-motion: reduce){
  .dr-c,.dr-e{transition:none}
  .gm-gata,.ln-gata,.ln-rez,.dr-ln-lab .dr-lb.on,.an-scor,.an-serie.aprinsa,.gm-rand.rau{animation: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}