/* aplicatie.css — stiluri proprii lecției „Perimetru: află latura lipsă” (doar variabile de culoare). */

/* ---------- planșe desenate (fond de card, lizibile și în stilul Cald) ---------- */
.plate .pl-anim,.plate .pl-lab,.plate .pl-banda,.plate .pl-egale,.plate .pl-tabel,.plate .pl-rama,.plate .pl-lfig{
  background:var(--card);color:var(--ink);border-radius:12px;padding:12px;font-weight:800}
.pl-svg{display:block;width:100%;height:auto;max-height:calc(330px * var(--fs));margin:0 auto;overflow:visible}

/* figura: fond, laturi, latura lipsă punctată */
.pl-fond{fill:var(--leaf-tint);opacity:.7}
.pl-e{stroke:var(--ink);stroke-width:4;stroke-linecap:round}
.pl-e.pl-lipsa{stroke:var(--berry);stroke-dasharray:9 8}
.pl-tick{stroke:var(--ink);stroke-width:3;stroke-linecap:round}
/* drumul furnicii: se colorează pe măsură ce merge (aceeași durată ca pasul furnicii) */
.pl-mers{stroke:var(--sun);stroke-width:8;stroke-linecap:butt;opacity:.9;stroke-dasharray:1 2;stroke-dashoffset:1;transition:stroke-dashoffset .8s linear}
.pl-mers.on{stroke-dashoffset:0}
/* latura lipsă se „completează” când răspunsul e corect */
.pl-fill{stroke:var(--leaf);stroke-width:5;stroke-linecap:butt;stroke-dasharray:1 2;stroke-dashoffset:1;transition:stroke-dashoffset .9s ease-out}
.pl-fill.on{stroke-dashoffset:0}
/* numerele de pe laturi */
.pl-t{font-family:"Nunito",system-ui,sans-serif;font-weight:800;font-size:17px;fill:var(--ink);text-anchor:middle;dominant-baseline:central;paint-order:stroke;stroke:var(--card);stroke-width:5px;stroke-linejoin:round}
/* laturile figurii în L: orizontale și verticale în culori diferite */
.pl-e.pl-oriz{stroke:var(--sky)} .pl-e.pl-vert{stroke:var(--leaf-deep)}
.pl-t.pl-oriz{fill:var(--sky)} .pl-t.pl-vert{fill:var(--leaf-deep)}
.pl-t.pl-tq{fill:var(--berry);font-size:21px}
.pl-t.pl-gasit{fill:var(--leaf-deep);transform-box:fill-box;transform-origin:center;animation:pl-pop .45s ease-out}
.pl-sw{display:inline-block;width:22px;height:7px;border-radius:4px;vertical-align:middle;margin-right:4px}
.pl-sw.pl-oriz{background:var(--sky)} .pl-sw.pl-vert{background:var(--leaf-deep)}
/* grădina: laturile care se schimbă și zidul */
.pl-e.pl-var{stroke:var(--berry)} .pl-t.pl-var{fill:var(--berry)}
.pl-e.pl-zid{stroke:var(--muted);stroke-width:10;stroke-dasharray:14 3;stroke-linecap:butt}
.pl-t.pl-zid{fill:var(--muted)}
/* furnica */
.pl-ant{transition:transform .8s linear}
.pl-ant circle{fill:var(--ink)}
.pl-ant-p{stroke:var(--ink);stroke-width:1.8;fill:none;stroke-linecap:round}
.pl-cnt{margin:6px 0 0;text-align:center;font-size:calc(19px * var(--fs));min-height:1.5em;color:var(--ink)}
.pl-cnt b{color:var(--berry)}

/* stația 3: modelul-bandă */
.pl-b-tot{border:3px solid var(--sky);background:var(--sky-tint);border-radius:10px;padding:6px;text-align:center;font-size:calc(18px * var(--fs))}
.pl-b-rand{display:flex;gap:4px;margin-top:6px}
.pl-b-s{display:flex;align-items:center;justify-content:center;min-height:calc(44px * var(--fs));border:3px solid var(--ink);border-radius:10px;background:var(--sun-tint);font-size:calc(18px * var(--fs))}
.pl-b-s.pl-b-q{border-style:dashed;border-color:var(--berry);background:var(--berry-tint);color:var(--berry);font-size:calc(22px * var(--fs))}
.pl-b-ec{margin:8px 0 0;text-align:center;font-size:calc(19px * var(--fs))}
.pl-b-ec b{color:var(--berry)}
.pl-banda .pl-svg{max-height:calc(150px * var(--fs));margin-top:4px}

/* stația 5: laturi egale */
.pl-egale{display:flex;gap:10px;justify-content:center}
.pl-eg{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center;font-size:calc(17px * var(--fs))}
.pl-eg-t{font-size:calc(15px * var(--fs));color:var(--muted)}
.pl-eg b:not(.pl-eg-t){color:var(--berry)}

/* stația 6: tabel */
.pl-tabel{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:6px;text-align:center;font-size:calc(18px * var(--fs))}
.pl-tabel span{display:flex;align-items:center;justify-content:center;border-radius:10px;padding:10px 6px;background:var(--sun-tint)}
.pl-tabel span.h{background:var(--sky-tint);color:var(--ink);font-size:calc(15px * var(--fs))}
.pl-tabel b{color:var(--berry);margin:0 .2em}

/* stația 9: rama cu panglică */
.pl-rama svg{display:block;width:100%;height:auto;max-height:calc(260px * var(--fs))}
.pl-r-ext{fill:var(--sun-tint);stroke:var(--sun-ink);stroke-width:3}
.pl-r-int{fill:var(--sky-tint);stroke:var(--line);stroke-width:2}
.pl-r-pang{fill:none;stroke:var(--berry);stroke-width:5;stroke-dasharray:14 7}
.pl-r-funda{font-size:30px;text-anchor:middle;dominant-baseline:central}
.pl-r-poza{font-size:46px;text-anchor:middle;dominant-baseline:central}

/* ---------- laboratoare: rândul de sus, casetele, butoanele ---------- */
.pw-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))}
.pw-p{color:var(--ink);background:var(--sky-tint);border-radius:999px;padding:4px 14px}
.pw-p b{color:var(--sky)}
.pw-cnt{margin:10px 0;font-weight:800;font-size:calc(19px * var(--fs));color:var(--ink);min-height:2.6em}
.pw-cnt b{color:var(--berry)}
.pw-stop{display:block;margin-top:2px;color:var(--berry);font-size:calc(15px * var(--fs))}
.pw-rand{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.pw-lab{font-weight:800;font-size:calc(20px * var(--fs));color:var(--ink);min-width:7.2em}
.pw-u{font-weight:800;font-size:calc(20px * var(--fs));color:var(--muted)}
.pw-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)}
.pw-val:focus{outline:none;border-color:var(--sky);box-shadow:0 0 0 4px var(--sky-tint)}
.pw-val:disabled{opacity:.6}
.pw-val.bun{border-color:var(--leaf);background:var(--leaf-tint);color:var(--leaf-deep);opacity:1}
.pw-val.rau{border-color:var(--berry);animation:pl-shake .45s}
.pw-act{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-top:12px;padding-top:10px;border-top:2px dashed var(--line)}
.pw-act .verif{margin-left:auto}
.pw-act .btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* figura în L */
.fl-leg{display:flex;flex-wrap:wrap;gap:6px 16px;margin:0 0 10px;font-weight:800;font-size:calc(15px * var(--fs));color:var(--muted)}
.fl-campuri{display:grid;grid-template-columns:1fr 1fr;gap:8px 14px}
.fl-campuri .pw-rand:last-child{grid-column:1/-1}
.fl-campuri .pw-lab{min-width:0}
.fl-campuri .pw-rand:last-child .pw-lab{min-width:0}
.fl-a{color:var(--sky)} .fl-b{color:var(--leaf-deep)}

/* gardul grădinii */
.gd-q{margin:10px 0;font-weight:800;font-size:calc(18px * var(--fs));color:var(--ink);line-height:1.35}
.gd-step{display:flex;align-items:center;justify-content:center;gap:14px}
.gd-step .btn{width:calc(58px * var(--fs));height:calc(58px * var(--fs));padding:0;font-size:calc(30px * var(--fs));display:inline-flex;align-items:center;justify-content:center}
.gd-step .btn:disabled{opacity:.4;box-shadow:none}
.gd-v{min-width:4.2em;height:calc(58px * var(--fs));display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box;border:3px solid var(--berry);border-radius:14px;background:var(--berry-tint);color:var(--berry);font-weight:900;font-size:calc(28px * var(--fs))}
.gd-bar{margin-top:10px}
.gd-tub{height:16px;border-radius:99px;background:var(--line);overflow:hidden}
.gd-tub i{display:block;height:100%;width:0;background:var(--sun);transition:width .6s ease-out}
.gd-bar.exact .gd-tub i{background:var(--leaf)}
.gd-bar.peste .gd-tub i{background:var(--berry)}
.gd-txt{display:block;margin-top:4px;text-align:center;font-weight:800;font-size:calc(16px * var(--fs));color:var(--ink)}
.gd-fig .pl-svg{max-height:calc(300px * 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:pl-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:1.35}
.an-var{justify-content:center}
.an-var .chip{font-size:calc(20px * var(--fs));min-width:5em;min-height:calc(50px * var(--fs))}
.an-msg{min-height:2.8em;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:pl-pop .5s}

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

/* mișcare redusă (sistem): fără tranziții; furnicile din planșe sunt oprite pe starea completă din js/aplicatie.js */
@media (prefers-reduced-motion: reduce){
  .pl-ant,.pl-mers,.pl-fill,.gd-tub i,.an-bar i{transition:none!important}
  .pl-t.pl-gasit,.pw-val.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}