/* aplicatie.css — stiluri proprii lecției „Aria sau latura lipsă” (doar variabile de culoare). */

/* ---------- desenele ls- (dreptunghiuri cu cote) ---------- */
.ls-svg{display:block;width:100%;height:auto;max-height:100%;overflow:visible}
.ls-svg text{font-family:var(--f-display);font-weight:800;dominant-baseline:middle;text-anchor:middle;fill:var(--ink)}
.ls-fond{fill:var(--card)}
.ls-cel{fill:var(--leaf-tint);stroke:none}
.ls-col .ls-cel{fill:transparent;transition:fill .3s}
.ls-col.plin .ls-cel{fill:var(--leaf-tint)}
.ls-col.plin:last-of-type .ls-cel{fill:var(--leaf-tint)}
.ls-lin{stroke:var(--line);stroke-width:1.5}
.ls-contur{fill:none;stroke:var(--leaf-deep);stroke-width:3}
.ls-contur.ls-per{stroke:var(--sky);stroke-width:7;stroke-dasharray:14 6}
.ls-mijf{fill:var(--card);stroke:var(--line);stroke-width:2}
.ls-svg .ls-mij{fill:var(--leaf-deep)}
.ls-cota{color:var(--muted)}
.ls-cota line{stroke:currentColor;stroke-width:2}
.ls-svg .ls-cota text{fill:var(--ink)}
.ls-svg .ls-cl text{text-anchor:end}
.ls-cota.ls-q{color:var(--berry)}
.ls-svg .ls-cota.ls-q text{fill:var(--berry)}
.ls-v{font-family:Georgia,"Times New Roman",serif;font-style:italic;font-weight:700}

/* planșele cu fond de card (lizibile și în stilul Cald) */
.plate :is(.ls-anim,.ls-fig,.ls-fam,.ls-ap,.ls-dec,.ls-ver,.ls-labfig){background:var(--card);color:var(--ink);border-radius:12px;padding:14px;font-weight:800}
.ls-fig .ls-svg,.ls-anim .ls-svg{max-width:440px;max-height:300px;margin:0 auto}
.ls-calc{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 18px;margin:10px 0 0;font-size:calc(22px * var(--fs));text-align:center}
.ls-calc b{color:var(--leaf-deep)}

/* animația: coloanele se adaugă până la aria dată (ceasul din js/aplicatie.js) */
.ls-tinta{margin:0 0 6px;text-align:center;font-size:calc(17px * var(--fs));color:var(--muted)}
.ls-tinta b{color:var(--ink)}
.ls-cap{margin:8px 0 0;text-align:center;font-size:calc(22px * var(--fs))}
.ls-cap .ls-k{display:inline-block;min-width:6.2em;text-align:right}
.ls-cap .ls-s{display:inline-block;min-width:1.4em;text-align:right;color:var(--leaf-deep)}
.ls-anim.ls-gata .ls-cap .ls-s{background:var(--leaf-tint);border-radius:8px;padding:0 6px}
.ls-anim.ls-gata .ls-cota.ls-q{color:var(--leaf-deep)}
.ls-anim.ls-gata .ls-cota.ls-q text{fill:var(--leaf-deep)}

/* stația 3: familia de calcule */
.ls-fam{text-align:center}
.ls-fam p{margin:0}
.ls-f1,.ls-f2{display:inline-block;font-family:var(--f-display);border-radius:12px;padding:6px 16px}
.ls-f1{font-size:calc(36px * var(--fs));background:var(--leaf-tint);color:var(--leaf-deep)}
.ls-fam .ls-fam-sub{margin:8px 0;color:var(--muted);font-size:calc(16px * var(--fs))}
.ls-fam-jos{display:flex;justify-content:center;gap:18px;flex-wrap:wrap}
.ls-f2{font-size:calc(30px * var(--fs));background:var(--sky-tint);color:var(--ink)}
.ls-form{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:16px;font-size:calc(22px * var(--fs))}
.ls-form span{border:2px solid var(--line);border-radius:10px;padding:4px 12px}

/* stația 5: banda L + l */
.ls-banda{display:grid;gap:6px;margin-top:10px;text-align:center}
.ls-b-tot{font-size:calc(19px * var(--fs));color:var(--sky)}
.ls-b-bar{display:flex;border-radius:10px;overflow:hidden;border:2px solid var(--line);font-size:calc(17px * var(--fs))}
.ls-b-bar span{display:flex;align-items:center;justify-content:center;padding:6px 4px;min-height:36px}
.ls-b-L{background:var(--leaf-tint);color:var(--leaf-deep)}
.ls-b-l{background:var(--berry-tint);color:var(--berry);border-left:2px dashed var(--berry)}
.ls-banda .ls-calc{margin:0}

/* stația 7: aria și perimetrul */
.ls-ap{display:grid;grid-template-columns:1fr 1fr;gap:14px;text-align:center}
.ls-ap>div{display:flex;flex-direction:column;align-items:center;gap:2px}
.ls-ap .ls-svg{max-width:170px}
.ls-ap b{font-size:calc(22px * var(--fs))}
.ls-ap small{font-weight:700;color:var(--muted);font-size:calc(14px * var(--fs))}
.ls-ap-in{fill:var(--leaf-tint);stroke:var(--line);stroke-width:2}
.ls-ap-out{fill:var(--card);stroke:var(--sky);stroke-width:8;stroke-dasharray:16 6}

/* stația 9: ce știu → ce calculez */
.ls-dec{display:grid;gap:8px}
.ls-d-r{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-items:center}
.ls-d-r span{border-radius:10px;padding:8px 12px;font-size:calc(19px * var(--fs));min-height:44px;display:flex;align-items:center}
.ls-d-r span:first-child{background:var(--sky-tint)}
.ls-d-r span:last-child{background:var(--leaf-tint);color:var(--leaf-deep);justify-content:center}
.ls-d-h span,.ls-d-h span:first-child,.ls-d-h span:last-child{background:none;color:var(--muted);min-height:0;padding:0 12px;font-size:calc(15px * var(--fs))}

/* stația 10: calculez, apoi verific */
.ls-ver p{margin:0 0 8px}
.ls-ver-q{text-align:center;font-size:calc(22px * var(--fs))}
.ls-ver-c{display:grid;grid-template-columns:8.5em 1fr;align-items:center;gap:10px;border-radius:10px;padding:8px 12px;background:var(--sky-tint);font-size:calc(20px * var(--fs))}
.ls-ver-c span{font-size:calc(15px * var(--fs));color:var(--muted)}
.ls-ver-c.ok{background:var(--leaf-tint)} .ls-ver-c.ok b{color:var(--leaf-deep)}
.ls-ver-c.rau{background:var(--berry-tint)} .ls-ver-c.rau b{color:var(--berry)}

/* ---------- laborator: latura misterioasă ---------- */
.ls-labfig{min-height:280px;display:flex;flex-direction:column;justify-content:center}
.ls-labfig .ls-svg{max-width:460px;max-height:270px;margin:0 auto}
.lm-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))}
.lm-tinta{background:var(--sun-tint);color:var(--sun-ink);border-radius:999px;padding:4px 14px;font-size:calc(18px * var(--fs))}
.lm-tinta b{color:var(--ink)}
/* rândul de control: butoanele și valoarea au aceeași înălțime, pe aceeași linie */
.lm-ctrl{display:flex;align-items:center;justify-content:center;gap:12px;margin:10px 0 4px}
.lm-eti{font-size:calc(26px * var(--fs));font-weight:800}
.lm-ctrl .lm-b,.lm-val{height:calc(54px * var(--fs));box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center}
.lm-ctrl .lm-b{min-width:calc(58px * var(--fs));padding:0 12px;font-size:calc(30px * var(--fs));font-weight:900;line-height:1}
.lm-ctrl .lm-b:disabled{opacity:.4}
.lm-val{min-width:4.2em;padding:0 12px;border:3px solid var(--berry);border-radius:14px;background:var(--berry-tint);color:var(--berry);font-size:calc(26px * var(--fs));font-weight:900}
.lm-val.rau{animation:ls-shake .45s}
.lm-calc{margin:6px 0 0;text-align:center;font-size:calc(21px * var(--fs));font-weight:800;color:var(--ink)}
.lm-calc b{color:var(--leaf-deep)}
.lm-made{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;min-height:28px;margin-top:6px}
.lm-gata{background:var(--leaf-tint);color:var(--leaf-deep);border:2px solid var(--leaf);border-radius:999px;padding:2px 12px;font-weight:800;font-size:calc(14px * var(--fs));animation:ls-pop .35s ease-out}
.lm-act{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-top:6px;padding-top:8px;border-top:2px dashed var(--line)}
.lm-act .verif{margin-left:auto}
.lm-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* ---------- laborator: arie sau perimetru ---------- */
.lap{display:grid;gap:6px}
.lap-row{display:flex;align-items:center;justify-content:space-between;gap:10px;border:2px solid var(--line);border-radius:12px;padding:5px 6px 5px 12px;background:var(--card)}
.lap-t{font-weight:700;font-size:calc(15px * var(--fs));line-height:1.25;color:var(--ink)}
.lap-btns{display:flex;gap:6px;flex:0 0 auto}
.lap .lap-b{min-height:calc(40px * var(--fs));min-width:calc(92px * var(--fs));display:inline-flex;align-items:center;justify-content:center;padding:2px 10px;border-radius:10px;border:3px solid var(--line);background:var(--card);color:var(--ink);font:inherit;font-weight:800;font-size:calc(15px * var(--fs));cursor:pointer;box-shadow:0 4px 0 var(--line)}
.lap .lap-b:hover{border-color:var(--sky)}
.lap .lap-b[data-c="0"].ales{background:var(--leaf);border-color:var(--leaf-deep);color:var(--on-leaf);box-shadow:0 4px 0 var(--leaf-deep);transform:translateY(-2px)}
.lap .lap-b[data-c="1"].ales{background:var(--sky);border-color:var(--sky);color:var(--card);box-shadow:0 4px 0 var(--ink);transform:translateY(-2px)}
.lap .lap-b:disabled{cursor:default}
.lap .lap-b:disabled:not(.ales){opacity:.35}
.lap-row.bun{border-color:var(--leaf);background:var(--leaf-tint)}
.lap-row.rau{border-color:var(--berry);background:var(--berry-tint);animation:ls-shake .45s}
.lap-act{display:flex;gap:10px;align-items:center;justify-content:space-between;margin-top:4px;padding-top:8px;border-top:2px dashed var(--line)}
.lap-nr{color:var(--muted);font-weight:800}
.lap-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* ---------- 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:ls-pop .4s ease-out}
.an-q{font-size:calc(22px * 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(19px * var(--fs));min-width:5.5em}
.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:ls-pop .5s}

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

/* fără animații (accesibilitate) și mișcare redusă: starea completă, fără tranziții */
html.a-still .ls-col .ls-cel{transition:none}
@media (prefers-reduced-motion: reduce){
  .ls-col .ls-cel{transition:none}
  .lm-val,.lm-gata,.lap-row,.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}