/* aplicatie.css — stiluri proprii lecției „Perimetrul dreptunghiului cu formule” (doar variabile de culoare). */

/* ---------- planșe desenate ---------- */
.plate .sr,.plate .gr,.plate .jm,.plate .rp,.plate .pt,.plate .mt,.plate .gd,.plate .ac,.plate .ts-fig,.plate .si-fig,.plate .jd-fig{
  background:var(--card);color:var(--ink);border-radius:12px;padding:12px 14px;font-weight:800}

/* SÂRMA: un singur ceas (js/aplicatie.js) desenează sârma, aprinde rândul și schimbă textul fazei */
.sr{text-align:center}
.sr-faza{margin:0 0 2px;min-height:1.4em;font-size:calc(15px * var(--fs));color:var(--muted)}
.sr-svg{display:block;width:100%;height:auto;max-height:calc(230px * var(--fs));overflow:visible}
.sr-L,.sr-l{stroke-width:4.5;stroke-linecap:round;fill:none}
.sr-L{stroke:var(--sky)} .sr-l{stroke:var(--berry)}
.sr-j{fill:var(--card);stroke:var(--ink);stroke-width:1.4}
.sr-t{font-size:10.5px;font-weight:800;font-family:inherit}
.sr-Lt{fill:var(--sky)} .sr-lt{fill:var(--berry)}
.sr-br{fill:none;stroke:var(--muted);stroke-width:1.4}
.sr-bt{font-size:10.5px;font-weight:800;fill:var(--ink)}
.sr-rows{display:grid;gap:3px;margin-top:4px}
.sr-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0;padding:2px 10px;border-radius:10px;border:2px solid transparent;font-size:calc(15px * var(--fs));color:var(--muted);transition:background .3s,border-color .3s,color .3s}
.sr-row b{font-family:"Baloo 2",system-ui,sans-serif;font-size:1.08em}
.sr-row.on{background:var(--sun-tint);border-color:var(--sun);color:var(--ink)}
.sr-row b,.sr-row span{white-space:nowrap}
html.flow .sr-row{flex-wrap:wrap;justify-content:center;column-gap:8px}
.sr.static .sr-row{background:var(--sun-tint);border-color:var(--line);color:var(--ink)}

/* GRILA: 1 pătrățel = 1 cm; lungimile albastre, lățimile roșii */
.gr,.ts-fig,.si-fig,.pt{display:flex;flex-direction:column;align-items:center;gap:6px}
.gr-svg{display:block;max-width:100%;height:auto;overflow:visible}
.gr-in{fill:var(--sun-tint)}
.gr-gl line{stroke:var(--line);stroke-width:.05}
.gr-L,.gr-l{stroke-width:.16;stroke-linecap:round}
.gr-L{stroke:var(--sky)} .gr-l{stroke:var(--berry)}
.gr-p{stroke:var(--leaf);stroke-width:.16;stroke-linecap:round} .gr-pt{fill:var(--leaf-deep)}
.gr-t{font-size:.6px;font-weight:800;font-family:inherit}
.gr-Lt{fill:var(--sky)} .gr-lt{fill:var(--berry)}
.gr-ut{fill:var(--muted);font-size:.5px}
.gr-sub{margin:0;color:var(--muted);font-size:calc(14px * var(--fs))}

/* JUMĂTATE: semiperimetrul */
.jm-svg,.jd-svg{display:block;width:100%;height:auto}
.jm-a{opacity:.45}
.jm-fold{stroke:var(--muted);stroke-width:1.2;stroke-dasharray:4 3}
.jm-br1{fill:none;stroke:var(--leaf);stroke-width:1.8}
.jm-bt1{font-size:11px;font-weight:800;fill:var(--leaf-deep)}
.jm-br2{fill:none;stroke:var(--muted);stroke-width:1.2;stroke-dasharray:3 2}
.jm-bt2{font-size:10px;font-weight:800;fill:var(--muted)}
.jm-f{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;margin:6px 0 0;font-size:calc(19px * var(--fs))}
.jm-f b{background:var(--leaf-tint);color:var(--leaf-deep);border-radius:10px;padding:2px 12px}

/* SCRIEREA RAPIDĂ */
.rp{display:grid;gap:7px}
.rp-h{margin:0;text-align:center;font-size:calc(18px * var(--fs));color:var(--muted)}
.rp-r{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 12px;border-radius:12px;background:var(--sky-tint);font-size:calc(20px * var(--fs))}
.rp-op{font-size:calc(14px * var(--fs));color:var(--muted)}
.rp-best{background:var(--leaf-tint);border:3px solid var(--leaf)}
.rp-best .rp-op{color:var(--leaf-deep)}
.rp-t{margin:0;text-align:center;font-size:calc(18px * var(--fs))}

/* PĂTRATUL */
.pt-f{display:grid;gap:6px;width:100%}
.pt-f p{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0;padding:6px 12px;border-radius:12px;background:var(--leaf-tint);font-size:calc(19px * var(--fs))}
.pt-f b{color:var(--leaf-deep)}

/* METRUL */
.mt{text-align:center}
.mt-svg{display:block;width:100%;height:auto}
.mt-bar{fill:var(--sun-tint);stroke:var(--sun-edge);stroke-width:1.2}
.mt-tk{stroke:var(--ink);stroke-width:1} .mt-tk.mare{stroke-width:1.8}
.mt-t{font-size:10px;font-weight:800;fill:var(--ink)}
.mt-big{margin:6px 0;font-size:calc(26px * var(--fs))}
.mt-big b{background:var(--sun);color:var(--on-sun);border-radius:12px;padding:2px 14px}
.mt-rows{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;font-size:calc(17px * var(--fs))}
.mt-rows span{background:var(--sky-tint);border-radius:10px;padding:3px 10px}

/* GARD ȘI RAMĂ */
.gd{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.gd-f{display:flex;flex-direction:column;align-items:center;gap:4px;font-size:calc(16px * var(--fs))}
.gd-f svg{width:100%;height:auto;display:block}
.gd-iarba{fill:var(--leaf-tint)}
.gd-gard{fill:none;stroke:var(--sun-ink);stroke-width:4;stroke-dasharray:7 3}
.gd-st{fill:var(--sun-ink)}
.gd-rama{fill:none;stroke:var(--sun-edge);stroke-width:12}
.gd-pic{fill:var(--sky-tint)}
.gd-e{font-size:26px}

/* PAȘII */
.ac{display:grid;gap:8px}
.ac p{margin:0;padding:8px 12px;border-radius:12px;background:var(--sun-tint);font-size:calc(19px * var(--fs))}

/* multi: butonul Verifică stă separat, sub opțiuni */
.ex-zona > .chips + .grp{margin-top:12px;padding-top:10px;border-top:2px dashed var(--line);justify-content:flex-end}

/* perechi: toate plăcuțele au aceeași înălțime, ca rândurile să se alinieze */
.perechi .chip{min-height:calc(48px * var(--fs))}

/* ---------- laborator: trei scrieri ---------- */
.ts-date{display:flex;gap:10px;justify-content:center;margin-bottom:8px}
.ts-date span{border-radius:999px;padding:3px 14px;font-weight:900;font-size:calc(17px * var(--fs))}
.ts-dL{background:var(--sky-tint);color:var(--sky)} .ts-dl{background:var(--berry-tint);color:var(--berry)}
.ts-r{display:flex;align-items:center;gap:10px;padding:6px 8px;border-radius:12px;border:2px solid var(--line);margin-bottom:6px;background:var(--card)}
.ts-r.bun{border-color:var(--leaf);background:var(--leaf-tint)}
.ts-n{flex:0 0 auto;width:calc(28px * var(--fs));height:calc(28px * var(--fs));border-radius:50%;background:var(--sun);color:var(--on-sun);display:inline-flex;align-items:center;justify-content:center;font-weight:900}
.ts-e{display:flex;align-items:center;flex-wrap:wrap;gap:5px;font-weight:800;font-size:calc(18px * var(--fs));color:var(--ink)}
.ts-in,.jd-in{width:calc(64px * var(--fs));height:calc(40px * var(--fs));box-sizing:border-box;text-align:center;font:inherit;font-weight:900;color:var(--ink);background:var(--card);border:3px dashed var(--sky);border-radius:10px}
.ts-in:focus,.jd-in:focus{outline:none;border-style:solid;border-color:var(--leaf)}
.ts-in.ok{border-style:solid;border-color:var(--leaf);background:var(--leaf-tint);color:var(--leaf-deep)}
.ts-in.rau,.jd-in.rau{border-style:solid;border-color:var(--berry);background:var(--berry-tint);animation:shake .45s}
.ts-act,.si-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)}
.ts-act .verif,.si-act .verif{margin-left:auto}
.si-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* ---------- laborator: sârma îndoită ---------- */
.si-top,.jd-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))}
.si-w{font-size:calc(17px * var(--fs));color:var(--ink)}
.si-ctrls{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin:8px 0}
.si-c{display:flex;align-items:center;gap:8px}
.si-et{width:calc(36px * var(--fs));height:calc(44px * var(--fs));display:inline-flex;align-items:center;justify-content:center;border-radius:12px;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(24px * var(--fs));font-weight:800}
.si-eL{background:var(--sky-tint);color:var(--sky)} .si-el{background:var(--berry-tint);color:var(--berry)}
.si .si-b{min-width:calc(48px * var(--fs));height:calc(48px * var(--fs));padding:0;font-size:calc(26px * var(--fs));font-weight:900}
.si-v{min-width:calc(70px * var(--fs));height:calc(44px * var(--fs));display:inline-flex;align-items:center;justify-content:center;border:3px solid var(--line);border-radius:12px;background:var(--card);font-weight:900;font-size:calc(20px * var(--fs));color:var(--ink)}
.si-calc{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin:6px 0;font-weight:800;font-size:calc(19px * var(--fs));color:var(--ink)}
.si-calc.rau{animation:shake .45s}
.si-rest{border-radius:999px;padding:2px 12px;font-size:calc(15px * var(--fs));background:var(--sun-tint);color:var(--sun-ink)}
.si-rest.plin{background:var(--leaf-tint);color:var(--leaf-deep)}
.si-rest.peste{background:var(--berry-tint);color:var(--berry)}
.si-made,.jd-made{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;min-height:26px}
.si-gata,.jd-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:pop .35s ease-out}
.si-bar{display:block;width:100%;max-width:420px;height:auto}
.si-tot{fill:var(--line)}
.si-sL{fill:var(--sky)} .si-sl{fill:var(--berry)}
.si-lips{fill:var(--berry-tint);stroke:var(--berry);stroke-width:1.5;stroke-dasharray:4 2}
.si-bt{font-size:11px;font-weight:800;fill:var(--ink)}

/* ---------- laborator: jumătate de drum ---------- */
.jd-date{font-size:calc(17px * var(--fs));color:var(--ink);background:var(--sun-tint);border-radius:999px;padding:2px 12px}
.jd-p{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:8px 10px;margin-top:8px;border-radius:12px;border:2px solid var(--line);background:var(--card)}
.jd-p.acum{border-color:var(--sun);background:var(--sun-tint)}
.jd-p.facut{border-color:var(--leaf);background:var(--leaf-tint)}
.jd-p.astept{opacity:.55}
.jd-n{flex:0 0 auto;width:calc(28px * var(--fs));height:calc(28px * var(--fs));border-radius:50%;background:var(--sun);color:var(--on-sun);display:inline-flex;align-items:center;justify-content:center;font-weight:900}
.jd-e{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-weight:800;font-size:calc(18px * var(--fs));color:var(--ink)}
.jd-b{color:var(--leaf-deep)}
.jd-p .jd-ok{margin-left:auto}
.jd-v{margin-left:auto;color:var(--leaf-deep);font-size:calc(22px * var(--fs));font-weight:900}
.jd-made{margin-top:8px}
.jd-act{display:flex;justify-content:center;margin-top:8px}
.jd-tot{stroke:var(--muted);stroke-width:4;stroke-linecap:round;opacity:.5}
.jd-gol{stroke-dasharray:5 4;opacity:.7}
.jd-ver{font-size:11px;font-weight:800;fill:var(--leaf-deep)}

/* ---------- 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{transition:transform .2s}
.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;line-height:1.3}
.an-var{justify-content:center}
.an-var .chip{font-size:calc(18px * var(--fs));min-width:5.5em}
.an-msg{min-height:2.6em;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)}}

/* mișcare redusă (sistem): animațiile decorative se opresc; sârma este oprită din js/aplicatie.js */
@media (prefers-reduced-motion: reduce){
  .si-gata,.jd-gata,.an-scor,.an-serie,.ts-in.rau,.jd-in.rau,.si-calc.rau{animation:none!important}
  .sr-row{transition:none}
}

/* 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}