/* aplicatie.css — stiluri proprii lecției „Construiește dreptunghiuri cu aria dată” (doar variabile de culoare). */

/* ---------- planșe desenate ---------- */
.plate .dr-umple,.plate .dr-unit,.plate .dr-pl,.plate .dr-trei,.plate .dr-patru,.plate .dr-host,.plate .dr-qfig,.dr-host{
  background:var(--card);color:var(--ink);border-radius:12px;padding:14px;font-weight:800}
.dr-fig rect{fill:var(--leaf-tint);stroke:var(--leaf-deep);stroke-width:2}
.dr-form{margin:12px 0 0;text-align:center;font-size:calc(20px * var(--fs));color:var(--ink)}
.dr-form b{color:var(--leaf-deep)}

/* dreptunghiul care se umple (copertă, stațiile 1 și 3): un singur ceas din aplicatie.js */
.dr-umple{--z:40px;text-align:center}
.dr-m-simplu{--z:52px}
.dr-ug{display:inline-grid;grid-template-columns:repeat(var(--c),var(--z));gap:0;align-items:center}
.dr-m-rand .dr-ug{grid-template-columns:repeat(var(--c),var(--z)) 3.2em}
.dr-uq{width:var(--z);height:var(--z);box-sizing:border-box;border:2px solid var(--line);background:var(--card);display:flex;align-items:center;justify-content:center;font-style:normal;transition:background .2s,border-color .2s}
.dr-uq b{opacity:0;font-size:calc(15px * var(--fs));color:var(--leaf-deep)}
.dr-uq.on{background:var(--leaf-tint);border-color:var(--leaf)}
.dr-uq.on b{opacity:1;animation:pop .3s ease-out}
.dr-ut{opacity:.2;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(20px * var(--fs));color:var(--berry);text-align:left;padding-left:10px;transition:opacity .2s}
.dr-ut.on{opacity:1}
.dr-ucnt{margin:12px 0 0;font-size:calc(20px * var(--fs))}
.dr-ucnt b{display:inline-block;min-width:1.6em;color:var(--leaf-deep)}
.dr-uf{margin:6px 0 0;font-size:calc(20px * var(--fs));opacity:.25;transition:opacity .3s}
.dr-uf.on{opacity:1}
.dr-uf b{color:var(--berry)}

/* stația 2: 1 cm și 1 cm² */
.dr-unit{display:flex;justify-content:space-around;align-items:flex-end;gap:14px;flex-wrap:wrap}
.dr-un{display:flex;flex-direction:column;align-items:center;gap:6px}
.dr-un b{font-size:calc(22px * var(--fs))}
.dr-un small{color:var(--muted);font-size:calc(14px * var(--fs))}
.dr-seg{display:block;width:30px;height:6px;background:var(--berry);border-radius:3px;margin-bottom:12px;box-shadow:-2px 0 0 var(--berry),2px 0 0 var(--berry)}
.dr-sq{display:block;width:30px;height:30px;box-sizing:border-box;background:var(--leaf-tint);border:2px solid var(--leaf-deep)}

/* rețea fixă cu etichete exact pe laturi */
.dr-pl{text-align:center}
.dr-ret{display:inline-grid;grid-template-columns:auto auto;grid-template-areas:". sus" "stg g";gap:6px;align-items:center}
.dr-ret-sus{grid-area:sus;text-align:center;color:var(--sky);font-size:calc(16px * var(--fs))}
.dr-ret-stg{grid-area:stg;writing-mode:vertical-rl;transform:rotate(180deg);text-align:center;color:var(--berry);font-size:calc(16px * var(--fs))}
.dr-ret-g{grid-area:g;position:relative;display:grid;grid-template-columns:repeat(var(--c),34px);border:3px solid var(--leaf-deep)}
.dr-ret-g i{width:34px;height:34px;box-sizing:border-box;border:1px solid var(--leaf);background:var(--leaf-tint)}
.dr-ret-pal .dr-ret-g i{background:var(--card);border-style:dashed}
.dr-ret-mij{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--card);border:2px solid var(--leaf-deep);border-radius:999px;padding:2px 12px;font-size:calc(20px * var(--fs));color:var(--leaf-deep);white-space:nowrap}

/* stația 6 și 7: figuri cu etichete sub ele */
.dr-trei{display:flex;flex-wrap:wrap;justify-content:center;align-items:flex-end;gap:16px 22px}
.dr-trei>div,.dr-patru>div{display:flex;flex-direction:column;align-items:center;gap:6px}
.dr-trei b{font-size:calc(17px * var(--fs))}
.dr-trei .dr-form{flex-basis:100%;margin-top:4px}
.dr-patru{display:grid;grid-template-columns:1fr 1fr;gap:14px 18px;align-items:end;justify-items:center}
.dr-patru b{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(24px * var(--fs));color:var(--sky)}
.dr-qfig{display:flex;justify-content:center;padding:14px}

/* ---------- elemente comune laboratoarelor ---------- */
.dd-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))}
.dd-tinta{background:var(--sun);color:var(--on-sun);border-radius:999px;padding:3px 12px;box-shadow:0 3px 0 var(--sun-edge)}
.dd-cer{margin:8px 0 10px;font-weight:800;font-size:calc(18px * var(--fs));color:var(--ink)}
.dd-cer b{color:var(--berry);white-space:nowrap}
.dd-made{display:flex;gap:6px;flex-wrap:wrap;min-height:30px;margin-top:8px}
.dd-gata{background:var(--leaf-tint);color:var(--leaf-deep);border:2px solid var(--leaf);border-radius:999px;padding:2px 12px;font-weight:800;animation:pop .35s ease-out}
.dd-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)}
.dd-act .verif{margin-left:auto}
.dd-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.dr-rau{animation:shake .45s}

/* laborator 1: desenează pe rețea */
.dd-cit{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}
.dd-box{display:flex;flex-direction:column;align-items:center;justify-content:center;box-sizing:border-box;min-width:4.6em;height:calc(66px * var(--fs));border:3px solid var(--line);border-radius:14px;background:var(--card);color:var(--ink)}
.dd-box small{font-size:calc(12px * var(--fs));color:var(--muted);font-weight:800}
.dd-box b{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(28px * var(--fs));line-height:1.1}
.dd-a{border-color:var(--leaf);background:var(--leaf-tint)}
.dd-a b{color:var(--leaf-deep)}
.dd-x,.dd-u{font-weight:900;font-size:calc(24px * var(--fs));color:var(--muted)}
.dd-wrap{display:flex;justify-content:center;padding:30px 4px 6px 34px}
.dd-grid{--z:36px;position:relative;display:grid;grid-template-columns:repeat(var(--c),var(--z));touch-action:none;user-select:none;-webkit-user-select:none;cursor:crosshair;border:2px solid var(--leaf-deep);border-radius:4px}
.dd-grid:focus-visible{outline:4px solid var(--sky);outline-offset:4px}
.dd-q{width:var(--z);height:var(--z);box-sizing:border-box;border:1px solid var(--line);background:var(--card);display:flex;align-items:center;justify-content:center;transition:background .12s}
.dd-q.in{background:var(--leaf-tint);border-color:var(--leaf)}
.dd-q b,.cf-q b{font-size:calc(13px * var(--fs));color:var(--leaf-deep);animation:pop .3s ease-out both}
.dd-lw,.dd-lh{position:absolute;background:var(--sun);color:var(--on-sun);border-radius:999px;padding:0 9px;font-size:calc(15px * var(--fs));line-height:1.5;pointer-events:none;white-space:nowrap}
.dd-lw{top:-28px;transform:translateX(-50%)}
.dd-lh{left:-32px;transform:translateY(-50%)}

/* laborator 2: latura lipsă, rând cu rând */
.rl-ctl{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.rl-cnt{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-width:6.5em;height:calc(52px * var(--fs));box-sizing:border-box;border:3px solid var(--sky);border-radius:14px;background:var(--sky-tint);font-weight:800;font-size:calc(18px * var(--fs));color:var(--ink)}
.rl-cnt b{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(26px * var(--fs))}
.rl-b:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.rl-calc{margin:10px 0 0;text-align:center;font-weight:800;font-size:calc(19px * var(--fs));color:var(--ink)}
.rl-calc b{color:var(--leaf-deep)}
.rl-host{display:flex;justify-content:center}
.rl-wrap{display:inline-grid;grid-template-columns:auto auto;grid-template-areas:". sus" "stg g";gap:6px;align-items:center}
.rl-sus{grid-area:sus;text-align:left;color:var(--sky);font-size:calc(16px * var(--fs));padding-left:4px}
.rl-stg{grid-area:stg;writing-mode:vertical-rl;transform:rotate(180deg);text-align:center;color:var(--berry);font-size:calc(16px * var(--fs));padding:6px 2px;border-radius:999px}
.rl-stg.gasit{background:var(--leaf-tint);color:var(--leaf-deep)}
.rl-grid{grid-area:g;display:grid;grid-template-columns:repeat(var(--c),34px) 3em;align-items:center}
.rl-q{width:34px;height:34px;box-sizing:border-box;border:1px solid var(--leaf);background:var(--leaf-tint)}
.rl-q.nou{animation:cade .35s ease-out both}
.rl-t{padding-left:8px;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(17px * var(--fs));color:var(--berry)}

/* laborator 3: completează figura */
.cf-host{display:flex;justify-content:center}
.cf-grid{--z:40px;display:grid;grid-template-columns:repeat(var(--c),var(--z));border:2px solid var(--line);border-radius:4px}
.cf-q{width:var(--z);height:var(--z);box-sizing:border-box;border:1px dashed var(--line);background:var(--card);cursor:pointer;display:flex;align-items:center;justify-content:center}
.cf-q:hover{background:var(--sun-tint)}
.cf-q:focus-visible{outline:3px solid var(--sky);outline-offset:-3px}
.cf-q.fix{background:var(--sky-tint);border:1px solid var(--sky);cursor:default}
.cf-q.nou{background:var(--leaf-tint);border:1px solid var(--leaf);animation:pop .25s ease-out}
.cf-q.nr b{color:var(--ink)}
.cf-nr{display:flex;align-items:center;justify-content:center;gap:12px;font-weight:800;font-size:calc(18px * var(--fs));color:var(--ink)}
.cf-bar{width:170px;height:14px;background:var(--line);border-radius:99px;overflow:hidden}
.cf-bar i{display:block;height:100%;background:var(--leaf);transition:width .25s}
.cf-nr.peste .cf-bar i{background:var(--berry)}
.cf-nr.peste .cf-txt b{color:var(--berry)}

/* laborator 4: 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:pop .4s ease-out}
.an-q{font-size:calc(21px * var(--fs));font-weight:800;margin:12px 0;color:var(--ink);text-align:center}
.an-fig{display:flex;justify-content:center;margin:0 0 10px}
.an-var{justify-content:center}
.an-var .chip{font-size:calc(18px * var(--fs));min-width:6em}
.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:pop .5s}

@keyframes pop{0%{transform:scale(.6)}70%{transform:scale(1.15)}100%{transform:none}}
@keyframes shake{0%,100%{transform:none}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
@keyframes cade{0%{transform:translateY(-14px);opacity:0}100%{transform:none;opacity:1}}

/* telefon: rețelele mai mici, ca să încapă pe lățime */
html.flow .dd-grid{--z:29px}
html.flow .cf-grid{--z:36px}
html.flow .dr-umple{--z:36px}
html.flow .dr-m-simplu{--z:46px}
html.flow .dd-cit{gap:6px;flex-wrap:nowrap}
html.flow .dd-box{min-width:3.4em}
.cf-txt{white-space:nowrap}
html.flow .cf-bar{width:110px}
html.flow .dd-x,html.flow .dd-u{font-size:calc(19px * var(--fs))}

/* fără animații (accesibilitate) și mișcare redusă: stare statică completă */
html.a-still .dr-uq,html.a-still .dr-uq b,html.a-still .dd-q b,html.a-still .cf-q,html.a-still .cf-q b,html.a-still .rl-q,html.a-still .dd-gata,html.a-still .an-scor,html.a-still .dr-rau{animation:none!important;transition:none!important}
@media (prefers-reduced-motion: reduce){
  .dr-uq,.dr-uq b,.dd-q b,.cf-q,.cf-q b,.rl-q,.dd-gata,.an-scor,.an-serie,.dr-rau{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}