/* aplicatie.css — stiluri proprii lecției „Perimetrul poligoanelor” (doar variabile de culoare). */

/* ---------- planșe desenate ---------- */
.plate .pp-mas,.plate .pp-cov,.plate .pp-rep,.plate .pp-tab,.plate .pp-reg,.plate .pp-duo,.plate .pp-rc,.plate .pp-trepte,.plate .pp-lab{
  background:var(--card);color:var(--ink);border-radius:12px;padding:12px;font-weight:800}
.pp-svg{display:block;width:100%;height:auto;max-height:calc(300px * var(--fs));margin:0 auto;overflow:visible}
.pp-fond{fill:var(--leaf-tint);opacity:.75}
.pp-e{stroke:var(--ink);stroke-width:3.5;stroke-linecap:round;transition:stroke .3s,stroke-width .3s}
.pp-e.pp-gata{stroke:var(--leaf-deep)}
.pp-e.pp-cur{stroke:var(--sun);stroke-width:6}
.pp-tick{stroke:var(--berry);stroke-width:2.5;stroke-linecap:round}
.pp-t{font-family:"Nunito",system-ui,sans-serif;font-weight:800;font-size:13px;fill:var(--ink);text-anchor:middle;dominant-baseline:central;paint-order:stroke;stroke:var(--card);stroke-width:4px;stroke-linejoin:round;transition:opacity .3s}
.pp-t.pp-ascuns{opacity:0}
.pp-cnt{margin:8px 0 0;text-align:center;font-weight:800;font-size:calc(18px * var(--fs));color:var(--ink)}
.pp-cnt b{color:var(--leaf-deep)}
.pp-mic{margin:4px 0 0;text-align:center;font-weight:700;font-size:calc(14px * var(--fs));color:var(--muted)}

/* rigla (stația 1 și laboratorul): se mută pe laturi cu o tranziție; cifrele nu sunt niciodată răsturnate */
.pp-rg{transition:transform .8s ease-in-out,opacity .3s}
.pp-rg:not(.sus) .pp-rg-s,.pp-rg.sus .pp-rg-j{display:none}
.pp-rg-c{fill:var(--sun-tint);stroke:var(--sun-ink);stroke-width:1.5;opacity:.96}
.pp-rg-tk{stroke:var(--ink);stroke-width:1.1}
.pp-rg-n{font-family:"Nunito",system-ui,sans-serif;font-weight:800;font-size:10px;fill:var(--ink);text-anchor:middle;dominant-baseline:central}

/* coperta: un singur ceas schimbă poligonul, numele și calculul în același pas */
.pp-cv-g{opacity:0;transition:opacity .5s}
.pp-cv-g.on{opacity:1}
.pp-cov .pp-svg{max-height:calc(240px * var(--fs))}
.pp-cv-n{margin:6px 0 0;text-align:center;font-size:calc(18px * var(--fs));color:var(--muted)}
.pp-cv-n b{color:var(--ink)}
.pp-cv-e{margin:4px 0 0;text-align:center;font-size:calc(19px * var(--fs))}
.pp-cv-ad{color:var(--muted)}
.pp-cv-in{color:var(--berry)}

/* stația 4: familia poligoanelor regulate */
.pp-tab{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}
.pp-tab-c{display:flex;flex-direction:column;align-items:center;gap:2px;background:var(--sky-tint);border-radius:12px;padding:8px 4px;text-align:center}
.pp-tab-c .pp-svg{max-height:calc(80px * var(--fs))}
.pp-tab-c b{font-size:calc(15px * var(--fs))}
.pp-tab-c span{font-size:calc(13px * var(--fs));color:var(--muted)}
.pp-tab-c .pp-tab-f{color:var(--berry);font-size:calc(12px * var(--fs))}

/* stația 6: poligonul regulat al variantei */
.pp-reg .pp-svg{max-height:calc(250px * var(--fs))}

/* stația 7 și antrenamentul: două figuri la aceeași scară */
.pp-duo{display:flex;gap:10px;align-items:stretch}
.pp-duo-f{flex:1;margin:0;display:flex;flex-direction:column;align-items:center;background:var(--paper);border-radius:12px;padding:6px}
.pp-duo-f .pp-svg{max-height:calc(220px * var(--fs))}
.pp-duo-f figcaption{text-align:center;font-weight:800;font-size:calc(15px * var(--fs));color:var(--ink);line-height:1.3}
.pp-duo-f figcaption span{display:block;color:var(--berry);font-size:calc(18px * var(--fs))}
.pp-lit{display:inline-flex;align-items:center;justify-content:center;width:1.6em;height:1.6em;border-radius:50%;background:var(--sky);color:var(--card);margin-right:4px}

/* rețeaua de pătrățele */
.pp-gr line{stroke:var(--line);stroke-width:1}
.pp-cel{fill:var(--sky-tint)}
.pp-ct{stroke:var(--ink);stroke-width:3;stroke-linecap:round;transition:stroke .2s}
.pp-num .pp-ct{stroke:var(--muted)}
.pp-num .pp-ct.on{stroke:var(--berry);stroke-width:4}
.pp-ctn{font-family:"Nunito",system-ui,sans-serif;font-weight:900;font-size:11px;fill:var(--berry);text-anchor:middle;dominant-baseline:central;opacity:0;transition:opacity .2s}
.pp-ctn.on{opacity:1}
.pp-rc{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-items:end}
.pp-rc-f{margin:0;display:flex;flex-direction:column;align-items:center;gap:4px}
.pp-rc-f .pp-svg{max-height:calc(230px * var(--fs))}
.pp-rc-f figcaption{font-weight:800;font-size:calc(16px * var(--fs));color:var(--ink)}
.pp-rc-f figcaption b{color:var(--berry)}
.pp-rc-u{grid-column:1/-1}

/* stația 9: treptele se împing sus și la dreapta */
.pp-tr-gh{fill:none;stroke:var(--muted);stroke-width:2;stroke-dasharray:6 5}
.pp-tr-p{stroke-width:5;stroke-linecap:round;transition:transform 1s ease-in-out}
.pp-tr-h{stroke:var(--sky)}
.pp-tr-v{stroke:var(--berry)}
.pp-trepte.imp .pp-tr-p{transform:translate(var(--tx),var(--ty))}
.pp-trepte .pp-svg{max-height:calc(250px * var(--fs))}
.pp-sw{display:inline-block;width:22px;height:6px;border-radius:3px;vertical-align:middle}
.pp-sw-h{background:var(--sky)} .pp-sw-v{background:var(--berry)}

/* figurile lipite */
.pp-lp-ra{fill:var(--sky-tint);stroke:var(--sky);stroke-width:3}
.pp-lp-rb{fill:var(--berry-tint);stroke:var(--berry);stroke-width:3}
.pp-t.pp-ta{fill:var(--sky)} .pp-t.pp-tb{fill:var(--berry)}
.pp-lp-lit{font-family:"Baloo 2",system-ui,sans-serif;font-weight:800;font-size:24px;fill:var(--ink);opacity:.45;text-anchor:middle;dominant-baseline:central}
.pp-lp-B{transition:transform 1s ease-in-out}
.lipit .pp-lp-B{transform:translateX(var(--dx))}
.pp-lp-cont{fill:none;stroke:var(--leaf-deep);stroke-width:5;stroke-linejoin:round;opacity:0;transition:opacity .5s .9s}
.pp-lp-com{stroke:var(--ink);stroke-width:3;stroke-dasharray:4 5;opacity:0;transition:opacity .5s .9s}
.pp-t.pp-lp-comt{font-size:11px;fill:var(--muted);opacity:0;transition:opacity .5s .9s}
.lipit .pp-lp-cont,.lipit .pp-lp-com,.lipit .pp-t.pp-lp-comt{opacity:1}

/* ---------- laboratoare: părți comune ---------- */
.pp-top{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;font-weight:800;color:var(--muted);font-size:calc(15px * var(--fs))}
.pp-pill{color:var(--ink);background:var(--sky-tint);border-radius:999px;padding:4px 14px}
.pp-pill b{color:var(--sky)}
.pp-q{margin:8px 0 10px;font-weight:800;font-size:calc(18px * var(--fs));color:var(--ink);text-align:center}
.pp-q b{color:var(--berry)}
.pp-rand{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}
.pp-ec,.pp-et{font-weight:800;font-size:calc(20px * var(--fs));color:var(--ink)}
.pp-u{font-weight:800;font-size:calc(20px * var(--fs));color:var(--muted)}
.pp-val{box-sizing:border-box;width:calc(88px * var(--fs));height:calc(54px * var(--fs));border:3px solid var(--stripe);border-radius:14px;background:var(--card);color:var(--ink);font:800 calc(26px * var(--fs)) "Nunito",system-ui,sans-serif;text-align:center;box-shadow:inset 0 3px 0 var(--line)}
.pp-val:focus{outline:none;border-color:var(--sky);box-shadow:0 0 0 4px var(--sky-tint)}
.pp-val:disabled{opacity:.55}
.pp-val.bun{border-color:var(--leaf);background:var(--leaf-tint);color:var(--leaf-deep);opacity:1}
.pp-rau{animation:pp-shake .45s}
.pp-msg{min-height:1.4em;margin:8px 0 0;text-align:center;font-weight:800;font-size:calc(15px * var(--fs));color:var(--leaf-deep)}
.pp-act{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-top:8px;padding-top:8px;border-top:2px dashed var(--line)}
.pp-act .verif{margin-left:auto}
.pp-act .btn:disabled,.pp-rand .btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* laboratorul „Rigla” */
.pp-carnet{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;min-height:calc(30px * var(--fs));margin-top:8px}
.pp-nota{display:inline-flex;align-items:center;background:var(--leaf-tint);color:var(--leaf-deep);border:2px solid var(--leaf);border-radius:999px;padding:2px 12px;font-weight:800;animation:pp-pop .35s ease-out}
.pp-nota.gol{background:transparent;color:var(--muted);border-style:dashed;border-color:var(--line);animation:none}
.pp-tiles{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.pp-rl .pp-tiles .chip.pp-tile{min-width:calc(88px * var(--fs));min-height:calc(52px * var(--fs));justify-content:center;padding:4px 14px;font-size:calc(21px * 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}
.pp-rl .pp-tiles .chip.pp-tile:hover{transform:translateY(-2px)}
.pp-rl .pp-tiles .chip.pp-tile.bad{opacity:.5;transform:none;box-shadow:none}

/* laboratorul „Poligonul regulat” */
.pp-rgl .pp-et{display:block;margin:6px 0 4px;font-size:calc(16px * var(--fs))}
.pp-nn{display:flex;flex-wrap:wrap;gap:6px;justify-content:center}
.pp-rgl .pp-nn .chip.pp-n{min-height:calc(46px * var(--fs));padding:4px 8px;font-weight:800;font-size:calc(14px * var(--fs));color:var(--ink);border:3px solid var(--stripe);border-radius:14px;box-shadow:0 5px 0 var(--stripe);cursor:pointer;gap:6px}
.pp-n b{font-size:1.3em;color:var(--sky)}
.pp-rgl .pp-nn .chip.pp-n.ales{background:var(--sky);border-color:var(--sky);color:var(--card);box-shadow:0 5px 0 var(--ink);transform:translateY(-3px)}
.pp-rgl .pp-nn .chip.pp-n.ales b{color:var(--card)}
.pp-lat{margin-top:4px}
.pp-lat .pp-et{display:inline;margin:0}
.pp-pm{min-width:calc(54px * var(--fs));min-height:calc(48px * var(--fs));font-size:calc(26px * var(--fs));line-height:1;padding:0 10px}
.pp-sv{min-width:4.2em;text-align:center;font:800 calc(24px * var(--fs)) "Baloo 2",system-ui,sans-serif;background:var(--sky-tint);color:var(--ink);border-radius:12px;padding:4px 12px}
.pp-calc{margin:6px 0 0;text-align:center;font-weight:800;font-size:calc(22px * var(--fs));color:var(--ink)}
.pp-ok{color:var(--leaf-deep)} .pp-mult,.pp-putin{color:var(--berry)}
.pp-cmp{font-size:.72em;color:var(--muted)}
.pp-rgl-f .pp-svg{max-height:calc(250px * var(--fs))}

/* laboratorul „Lipește figurile” */
.pp-lp-date{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:10px 0;font-weight:800;font-size:calc(18px * var(--fs))}
.pp-pa,.pp-pb{border-radius:999px;padding:4px 14px;color:var(--ink)}
.pp-pa{background:var(--sky-tint)} .pp-pa b{color:var(--sky)}
.pp-pb{background:var(--berry-tint)} .pp-pb b{color:var(--berry)}
.grp.pp-lp-g{justify-content:center;margin-bottom:12px}
.pp-lpl .pp-et{font-size:calc(19px * var(--fs))}

/* ---------- 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{transition:transform .2s}
.an-serie.aprinsa{color:var(--berry);animation:pp-pop .4s ease-out}
.an-q{font-size:calc(21px * var(--fs));font-weight:800;margin:12px 0;color:var(--ink);text-align:center;line-height:1.3}
.an-var{justify-content:center}
.an-var .chip{font-size:calc(18px * var(--fs));min-width:5.5em;justify-content:center}
.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:pp-pop .5s}
.pp-lab .pp-svg{max-height:calc(380px * var(--fs))}

@keyframes pp-pop{0%{transform:scale(.6)}70%{transform:scale(1.15)}100%{transform:none}}
@keyframes pp-shake{0%,100%{transform:none}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}

/* fără animații (accesibilitate) și mișcare redusă: totul apare direct, în starea completă */
html.a-still :is(.pp-rg,.pp-lp-B,.pp-tr-p,.pp-cv-g,.pp-t,.pp-lp-cont,.pp-lp-com,.pp-ct,.pp-ctn,.pp-e){transition:none!important}
html.a-still :is(.pp-nota,.pp-rau,.an-serie,.an-scor){animation:none!important}
@media (prefers-reduced-motion: reduce){
  .pp-rg,.pp-lp-B,.pp-tr-p,.pp-cv-g,.pp-t,.pp-lp-cont,.pp-lp-com,.pp-ct,.pp-ctn,.pp-e{transition:none!important}
  .pp-nota,.pp-rau,.an-serie,.an-scor{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}