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

/* ---------- planurile pe rețea (PA.svg / PA.plan din js/date.js) ---------- */
.pa-plan,.pu,.pa-two{background:var(--card);color:var(--ink);border-radius:12px;padding:12px 14px;text-align:center;font-weight:800}
.pa-svg{display:block;width:100%;height:auto;max-height:300px;margin:0 auto}
.pa-fond{fill:var(--card)}
.pa-gr line{stroke:var(--line);stroke-width:1.5}
.pa-ct{fill:none;stroke:var(--ink);stroke-width:4;stroke-linejoin:round}
.pa-cota line{stroke:var(--muted);stroke-width:2}
.pa-et{fill:var(--ink);font:800 17px var(--f-body)}
.pa-rb{fill:var(--berry);font:800 15px var(--f-body)}
.pa-gol{fill:var(--sky-tint);stroke:var(--sky);stroke-width:3}
/* plăcile: apar una câte una (ceasul din js/aplicatie.js pune clasa „on”) */
.pa-t{stroke-width:2;opacity:0;transform:scale(.35);transform-box:fill-box;transform-origin:center;transition:opacity .25s,transform .25s}
.pa-t.on{opacity:1;transform:none}
.pa-gresie .pa-t{fill:var(--sky-tint);stroke:var(--sky)}
.pa-parchet .pa-t{fill:var(--sun-tint);stroke:var(--sun-edge)}
.pa-covor .pa-t{fill:var(--berry-tint);stroke:var(--berry)}
.pa-vopsea .pa-t{fill:var(--leaf-tint);stroke:var(--leaf-deep);stroke-dasharray:5 4}
.pa-gazon .pa-t{fill:var(--leaf-tint);stroke:var(--leaf)}
.pa-cnt{margin:6px 0 0;font-size:calc(19px * var(--fs))}
.pa-k{color:var(--berry);font-variant-numeric:tabular-nums}
.pa-sub{margin:4px 0 0;font-weight:700;color:var(--muted);font-size:calc(15px * var(--fs))}

/* stația 2: 1 cm² și 1 m² */
.pu{display:flex;justify-content:center;align-items:flex-end;gap:44px;padding:22px 14px}
.pu-col{display:flex;flex-direction:column;align-items:center;gap:6px}
.pu-col b{font-family:var(--f-display);font-size:calc(26px * var(--fs));color:var(--ink)}
.pu-col small{color:var(--muted);font-size:calc(14px * var(--fs))}
.pu-sq{display:grid;place-items:center;box-sizing:border-box;border:3px solid var(--sky);background:var(--sky-tint);border-radius:4px}
.pu-cm{width:38px;height:38px}
.pu-m{width:190px;height:190px;font-size:96px;line-height:1}

/* stația 10: două camere desenate la aceeași scară */
.pa-two{display:flex;flex-wrap:wrap;justify-content:center;align-items:flex-end;gap:10px 22px}
.pa-fig{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:0;flex:0 1 auto}
.pa-fig .pa-svg{width:auto;max-width:100%}
.pa-fig b{font-size:calc(16px * var(--fs))}
.pa-fig small{color:var(--berry);font-size:calc(17px * var(--fs));font-weight:900}
.pa-two .pa-sub{flex-basis:100%}

/* ---------- laboratoare: camera / terenul pe rețea ---------- */
/* etichetele stau exact lângă laturi: sus deasupra rețelei, stânga lângă ea */
.pl-room{display:grid;grid-template-columns:auto auto auto;grid-template-areas:". sus ." "st grid rb";justify-content:center;align-items:stretch;gap:6px 8px;padding:6px 4px}
.pl-sus{grid-area:sus;display:flex;flex-direction:column;align-items:stretch;text-align:center}
.pl-st{grid-area:st;display:flex;align-items:center;justify-content:flex-end;gap:6px}
.pl-sus b,.pl-st b{font-size:calc(16px * var(--fs));color:var(--ink);white-space:nowrap}
.pl-sus i{order:2;display:block;height:8px;border:2px solid var(--muted);border-top:0;margin-top:2px}
.pl-st i{order:2;display:block;width:8px;align-self:stretch;border:2px solid var(--muted);border-left:0}
.pl-grid{grid-area:grid;display:grid;grid-template-columns:repeat(var(--c),minmax(0,50px));gap:4px;padding:4px;border:4px solid var(--ink);border-radius:6px;background:var(--card)}
.pl-rbs{grid-area:rb;display:grid;grid-template-rows:repeat(var(--r),1fr);gap:4px;padding:8px 0}
.pl-rb{display:flex;align-items:center;font-weight:900;color:var(--leaf-deep);font-size:calc(15px * var(--fs));opacity:0;transform:translateX(-6px);transition:opacity .25s,transform .25s;white-space:nowrap}
.pl-rb.on{opacity:1;transform:none}

/* Pune gresia */
.pg-cell,.gr-cell{aspect-ratio:1;min-width:0;width:100%;padding:0;border:2px dashed var(--line);border-radius:6px;background:var(--paper);cursor:pointer;font-size:calc(22px * var(--fs));line-height:1}
.pg-cell:hover,.gr-cell:hover{border-color:var(--sky)}
.pg-cell.on{border:2px solid var(--sky);background:var(--sky-tint);box-shadow:inset 0 0 0 4px var(--card)}
.pg-cell.pune{animation:pa-pune .35s ease-out both}
.pg-cell.lipsa,.gr-cell.lipsa{animation:pa-clip .5s 2}
.pg-info,.gr-info{margin:0;font-weight:700;font-size:calc(16px * var(--fs));color:var(--ink)}
.pg-info b,.gr-info b{color:var(--berry)}
.pg-camp{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center}
/* câmpurile de răspuns: eticheta, căsuța și unitatea pe același rând, la aceeași înălțime */
.lab-f{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--ink)}
.lab-f b{color:var(--muted)}
.lab-in{box-sizing:border-box;width:4.2em;height:calc(46px * var(--fs));font:inherit;font-size:calc(22px * var(--fs));font-weight:800;text-align:center;border:3px solid var(--line);border-radius:12px;background:var(--card);color:var(--ink)}
.lab-in:focus{outline:3px solid var(--sky);outline-offset:1px;border-color:var(--sky)}
.lab-in:disabled{background:var(--leaf-tint);border-color:var(--leaf);color:var(--leaf-deep)}
/* butoanele de jos: separate de rețea și de câmpuri */
.lab-act{display:flex;gap:10px;justify-content:space-between;align-items:center;flex-wrap:wrap;padding-top:8px;border-top:2px dashed var(--line)}
.lab-act .verif{margin-left:auto}
.lab-act .btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.pg,.gr{display:grid;gap:10px}

/* Planul grădinii */
.gr-pens{display:flex;flex-wrap:wrap;gap:8px}
.gr-pen{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;min-width:calc(92px * var(--fs));min-height:calc(54px * var(--fs));padding:4px 10px;border:3px solid var(--line);border-radius:14px;background:var(--card);color:var(--ink);font:inherit;font-weight:800;font-size:calc(15px * var(--fs));box-shadow:0 4px 0 var(--line);cursor:pointer}
.gr-pen small{font-size:calc(13px * var(--fs));color:var(--muted)}
.gr-pen.p0{background:var(--sun-tint)} .gr-pen.p1{background:var(--berry-tint)} .gr-pen.p2{background:var(--sky-tint)}
.gr-pen.plin small{color:var(--leaf-deep)}
.gr-pen.plin small::before{content:"✓ "}
.gr-pen.ales{border-color:var(--ink);box-shadow:0 4px 0 var(--ink);transform:translateY(-3px)}
.gr-pen.ales span{text-decoration:underline;text-underline-offset:3px}
.gr-cell.s0{border:2px solid var(--sun-edge);background:var(--sun-tint)}
.gr-cell.s1{border:2px solid var(--berry);background:var(--berry-tint)}
.gr-cell.s2{border:2px solid var(--sky);background:var(--sky-tint)}
.gr-cell.pune{animation:pa-pune .3s ease-out}
.gr-cell.gazon{border:2px solid var(--leaf);background:var(--leaf-tint)}
.gr-cell.gazon::after{content:"🌾";font-size:.8em}
.gr-rest{display:flex}

/* ---------- 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:pa-pune .4s ease-out}
.an-q{font-size:calc(19px * var(--fs));font-weight:800;line-height:1.3;margin:10px 0;color:var(--ink)}
.an-var{justify-content:center}
.an .an-var .chip{font-size:calc(18px * var(--fs));min-width:6.5em;min-height:calc(48px * var(--fs));border-width:3px;box-shadow:0 4px 0 var(--line)}
.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:pa-pune .5s}
.an-host:empty{min-height:160px}
.an-host .pa-svg{max-height:260px}

@keyframes pa-pune{0%{transform:scale(.4);opacity:.2}70%{transform:scale(1.1)}100%{transform:none;opacity:1}}
@keyframes pa-clip{0%,100%{border-color:var(--line)}50%{border-color:var(--berry);background:var(--berry-tint)}}

/* telefon: la laboratoare, rețeaua stă deasupra comenzilor */
html.flow .lesson .work:has(.pg-host,.gr-host,.an-host){order:-1}
html.flow .pl-grid{grid-template-columns:repeat(var(--c),minmax(0,40px))}

/* mișcare redusă (sistem): animațiile decorative se opresc; planurile sunt oprite pe starea completă din js/aplicatie.js */
@media (prefers-reduced-motion: reduce){
  .pa-t,.pl-rb{transition:none!important}
  .pg-cell,.gr-cell,.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}