/* aplicatie.css — stiluri proprii lecției „Aria dintre două dreptunghiuri” (doar variabile de culoare). */

/* ---------- planșe desenate ---------- */
.plate .ad-p,.plate .ad-cov,.plate .ad-ec,.plate .ad-duo,.plate .ad-un,.plate .ad-live{
  background:var(--card);color:var(--ink);border-radius:12px;padding:12px;font-weight:800}

/* desenul: dreptunghiul mare (rama colorată), cel mic decupat (hașurat), cotele în afară */
.ad-svg{display:block;width:100%;height:auto;max-height:330px;margin:0 auto;font-family:var(--f-display);overflow:visible}
.ad-svg text{text-anchor:middle;dominant-baseline:central;font-weight:900;font-size:22px;paint-order:stroke;stroke:var(--card);stroke-width:6px;stroke-linejoin:round}
.ad-out{fill:var(--leaf-tint)}
.ad-out-c{fill:none;stroke:var(--leaf-deep);stroke-width:3}
.ad-hb{fill:var(--card)}
.ad-hl{stroke:var(--berry);stroke-width:2.2;opacity:.55}
.ad-cover{fill:var(--leaf-tint);opacity:0}
.ad-cov .ad-out,.ad-cov .ad-cover{transition:opacity .45s,fill .45s}   /* doar coperta se schimbă în timp */
.ad-in-c{fill:none;stroke:var(--berry);stroke-width:2.5;stroke-dasharray:7 5}
.ad-grid{fill:none;stroke:var(--ink);stroke-width:1;opacity:.22}
.ad-svg .ad-ta-e{text-anchor:end}
.ad-svg .ad-ta-s{text-anchor:start}
.ad-txt{fill:var(--berry);font-size:20px!important}
.ad-cota path{fill:none;stroke-width:2}
.ad-cota-m path{stroke:var(--leaf-deep)} .ad-cota-m text{fill:var(--leaf-deep)}
.ad-cota-i path{stroke:var(--berry)} .ad-cota-i text{fill:var(--berry)}
.ad-aj{fill:none;stroke:var(--berry);stroke-width:1.4;stroke-dasharray:3 4;opacity:.7}
/* evidențieri: tot dreptunghiul mare / doar cel mic / rama */
.hl-mare .ad-out,.hl-mare .ad-cover{fill:var(--sky-tint)}
.hl-mare .ad-cover{opacity:1}
.hl-mica .ad-out{fill:var(--card)}
.hl-mica .ad-cover{fill:var(--berry-tint);opacity:.85}
.ad-solo .ad-out{fill:var(--berry-tint)}
.ad-solo .ad-out-c{stroke:var(--berry);stroke-dasharray:7 5}
.ad-rau .ad-out{fill:var(--berry-tint)}
.ad-rau .ad-out-c{stroke:var(--berry)}

/* copertă: un singur ceas aprinde desenul și calculul în același pas */
.ad-cov .ad-svg{max-height:290px}
.ad-cov-r{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;margin:10px 0 0;font-size:calc(18px * var(--fs))}
.ad-k{display:inline-flex;align-items:center;height:calc(40px * var(--fs));padding:0 12px;border-radius:12px;border:3px solid var(--line);color:var(--muted);transition:background .3s,border-color .3s,color .3s}
.ad-k.on[data-k="0"]{background:var(--sky-tint);border-color:var(--sky);color:var(--ink)}
.ad-k.on[data-k="1"]{background:var(--berry-tint);border-color:var(--berry);color:var(--ink)}
.ad-k.on[data-k="2"]{background:var(--leaf-tint);border-color:var(--leaf);color:var(--leaf-deep)}
.ad-op{font-size:calc(26px * var(--fs));font-weight:900;color:var(--muted)}

/* figuri pe același rând, cu legenda exact sub fiecare */
.ad-cel{display:flex;flex-direction:column;align-items:center;gap:6px;min-width:0;flex:0 1 auto}
.ad-cel .ad-svg{max-width:100%;max-height:none}
.ad-cap{text-align:center;font-size:calc(15px * var(--fs));line-height:1.3;color:var(--ink)}
.ad-ec-r,.ad-duo{display:flex;align-items:center;justify-content:center;gap:10px}
.ad-duo{align-items:flex-start;gap:18px}
.ad-formula{margin:12px 0 0;text-align:center;font-size:calc(20px * var(--fs));color:var(--ink)}
.ad-formula b,.ad-gr{color:var(--berry)}
.ad-ok{color:var(--leaf-deep)}

/* stația 8: cm² și m² */
.ad-un{display:flex;gap:16px;align-items:stretch}
.ad-un-c{flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:6px;text-align:center;border:2px solid var(--line);border-radius:12px;padding:12px}
.ad-un-c b{font-size:calc(26px * var(--fs));color:var(--leaf-deep)}
.ad-un-c small{font-size:calc(14px * var(--fs));color:var(--muted);font-weight:700}
.ad-un-e{font-size:calc(26px * var(--fs))}
.ad-sq{display:block;border:3px solid var(--berry);background:var(--berry-tint)}
.ad-sq-cm{width:22px;height:22px}
.ad-sq-m{width:130px;height:130px;border-color:var(--leaf-deep);background:var(--leaf-tint)}

/* ---------- laborator: decupează ---------- */
.ad-live .ad-svg{max-height:300px}
.ad-live.rau .ad-svg{animation:ad-scutura .45s}
.dc-calc{display:grid;grid-template-columns:auto auto auto;justify-content:center;align-items:center;gap:4px 14px;margin-top:10px;font-size:calc(17px * var(--fs))}
.dc-calc span:nth-child(3n+1){color:var(--muted)}
.dc-calc b{color:var(--sky)} .dc-calc .dc-c-mic{color:var(--berry)} .dc-calc .dc-c-ram{color:var(--leaf-deep)}
.dc-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))}
.dc-mare{color:var(--leaf-deep)}
.dc-tinta{margin:8px 0;text-align:center;font-weight:800;font-size:calc(20px * var(--fs));color:var(--ink)}
.dc-tinta b{background:var(--sun-tint);border:3px solid var(--sun);border-radius:12px;padding:2px 12px}
/* fiecare rând: eticheta, −, valoarea, + — toate de aceeași înălțime, pe aceeași linie */
.dc-rand{display:flex;align-items:center;justify-content:center;gap:10px;margin:8px 0}
.dc-lab{flex:0 0 auto;width:9.5em;text-align:right;font-weight:800;color:var(--ink);font-size:calc(16px * var(--fs))}
.dc .dc-b{width:calc(50px * var(--fs));height:calc(50px * var(--fs));min-height:0;padding:0;font-size:calc(26px * var(--fs));font-weight:900;display:inline-flex;align-items:center;justify-content:center}
.dc .dc-b:disabled{opacity:.4;box-shadow:none;cursor:not-allowed}
.dc-val{display:inline-flex;align-items:center;justify-content:center;height:calc(50px * var(--fs));min-width:4.2em;border:3px solid var(--berry);border-radius:12px;background:var(--berry-tint);color:var(--ink);font-weight:900;font-size:calc(20px * var(--fs));box-sizing:border-box}
.dc-acum{margin:6px 0 0;text-align:center;font-weight:800;color:var(--muted);font-size:calc(16px * var(--fs))}
.dc-acum b{color:var(--leaf-deep)}
.dc-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)}
.dc-act .verif{margin-left:auto}
.dc-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.dc-made{display:flex;gap:6px;flex-wrap:wrap}
.dc-gata{background:var(--leaf-tint);color:var(--leaf-deep);border:2px solid var(--leaf);border-radius:999px;padding:2px 10px;font-weight:800;font-size:calc(14px * var(--fs));animation:ad-pop .35s ease-out}

/* ---------- 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:ad-pop .4s ease-out}
.an-q{font-size:calc(19px * var(--fs));font-weight:800;margin:10px 0;color:var(--ink);line-height:1.35}
.an-var{justify-content:center}
.an-var .chip{font-size:calc(19px * var(--fs));min-width:5.5em;min-height:calc(48px * var(--fs))}
.an-msg{min-height:1.4em;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:var(--f-display);font-size:calc(54px * var(--fs));color:var(--leaf-deep);animation:ad-pop .5s}

/* stația 11 (bifează): plăcuțe mari, starea „bifat” clară, butonul Verifică separat de opțiuni */
.ex-zona > .chips > .chip[aria-pressed]{font-size:calc(18px * var(--fs));min-height:calc(48px * var(--fs));padding:4px 14px}
.ex-zona > .chips > .chip.ales{border-color:var(--sky);background:var(--sky-tint);color:var(--ink);transform:translateY(-2px)}
.ex-zona > .chips > .chip.ales::before{content:"✓ ";color:var(--sky);font-weight:900}
.ex-zona > .chips + .grp{display:flex;justify-content:flex-end;margin-top:12px;padding-top:10px;border-top:2px dashed var(--line)}

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

/* telefon: desenul (și cel viu, la laboratoare) stă deasupra cerinței */
html.flow .lesson .work:has(.ad-live),html.flow .lesson .work:has(.ad-svg){order:-1}
html.flow .ad-ec-r{gap:4px}
html.flow .dc-lab{width:auto;flex:1 1 100%;text-align:center}
html.flow .dc-rand{flex-wrap:wrap;row-gap:6px}

/* fără animații (accesibilitate) și mișcare redusă: stare statică completă */
html.a-still .ad-svg *,html.a-still .ad-k,html.a-still .ad-live .ad-svg,html.a-still .dc-gata,html.a-still .an-serie,html.a-still .an-scor,html.a-still .an-bar i{animation:none!important;transition:none!important}
@media (prefers-reduced-motion: reduce){
  .ad-svg *,.ad-k,.ad-live .ad-svg,.dc-gata,.an-serie,.an-scor,.an-bar i{animation:none!important;transition: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}