/* aplicatie.css — stiluri proprii lecției „Interpretează tabele de frecvență” (doar variabile de culoare). */

/* ---------- liniuțele de numărare (SVG) ---------- */
.lt{display:block;overflow:visible;max-width:100%;height:auto}
.lt .lt-m{stroke:var(--ink);stroke-width:3.4;stroke-linecap:round}
.lt .lt-x{stroke:var(--berry)}
.lt .lt-et{fill:var(--berry);font-family:"Baloo 2",system-ui,sans-serif;font-weight:800;font-size:17px}
.lt .lt-g{transition:opacity .25s}
.lt .lt-g.ascuns{opacity:0}
/* grupa nouă se „desenează”; starea de bază este cea finală (fără animații rămâne desenată) */
.lt .lt-g.nou .lt-m{stroke-dasharray:40;animation:lt-draw .5s ease-out}
.lt .lt-et{transform-box:fill-box;transform-origin:center}
.lt .lt-g.nou .lt-et{animation:pop .4s ease-out}
@keyframes lt-draw{from{stroke-dashoffset:40}to{stroke-dashoffset:0}}

/* ---------- planșe desenate ---------- */
.plate .tf,.plate .cv,.plate .la,.plate .lab-ajutor,.plate .qb{
  background:var(--card);color:var(--ink);border-radius:12px;padding:14px;font-weight:800}

/* tabelul de frecvență: rânduri colorate, liniuțele la stânga, frecvența centrată */
.tf-titlu{margin:0 0 6px;text-align:center;font-size:calc(16px * var(--fs));color:var(--ink)}
.tf-tab{width:100%;border-collapse:separate;border-spacing:0 5px;font-size:calc(16px * var(--fs));color:var(--ink)}
.tf-tab th{font-size:calc(12px * var(--fs));text-transform:uppercase;letter-spacing:.04em;color:var(--muted);text-align:left;padding:0 10px}
.tf-tab th:last-child{text-align:center}
.tf-tab td{padding:4px 10px;vertical-align:middle;height:calc(34px * var(--fs));box-sizing:border-box}
.tf-tab td:first-child{border-radius:10px 0 0 10px}
.tf-tab td:last-child{border-radius:0 10px 10px 0}
.tf-tab tr.r0 td{background:var(--sun-tint)}
.tf-tab tr.r1 td{background:var(--sky-tint)}
.tf-tab tr.r2 td{background:var(--leaf-tint)}
.tf-tab tr.r3 td{background:var(--berry-tint)}
.tf-tab tr.lit td{box-shadow:inset 0 3px 0 var(--sun-edge),inset 0 -3px 0 var(--sun-edge)}
.tf-tab tr.lit td:first-child{box-shadow:inset 3px 3px 0 var(--sun-edge),inset 0 -3px 0 var(--sun-edge)}
.tf-tab tr.lit td:last-child{box-shadow:inset -3px 3px 0 var(--sun-edge),inset 0 -3px 0 var(--sun-edge)}
.tf-cat{white-space:nowrap}
.tf-e{display:inline-block;width:1.35em;text-align:center}
.tf-f{text-align:center;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(22px * var(--fs));line-height:1;min-width:2.4em}
.tf-tab tr.tf-tot td{background:var(--card);box-shadow:inset 0 3px 0 var(--ink);border-radius:0!important;font-weight:900}
.tf-sub{margin:6px 0 0;text-align:center;font-size:calc(16px * var(--fs))}
.tf-calc{display:inline-block;background:var(--sun-tint);border:2px solid var(--sun-edge);border-radius:10px;padding:4px 12px}
.tf-calc b{color:var(--berry)}
.tf-q .tf-tab td{height:calc(30px * var(--fs));padding:3px 10px}

/* coperta: un singur ceas desenează grupele, iar numărul crește odată cu ele */
.cv-tab{table-layout:fixed}
.cv-tab th:nth-child(1){width:34%} .cv-tab th:nth-child(2){width:40%} .cv-tab th:nth-child(3){width:26%}
.cv-f,.cv-tot{display:inline-block;min-width:1.6em}
.cv-f.numara{color:var(--muted)}
.cv-f.gata,.cv-tot.gata{color:var(--ink)}
.cv-tab tr.aprins td{background:var(--sun)!important;color:var(--on-sun)}
.cv-tab tr.aprins .lt-m{stroke:var(--on-sun)}

/* stația 2: grupele apar pe rând, cu numărul exact sub ele; suma se scrie în același pas */
.la{text-align:center}
.la-lt{display:flex;justify-content:center}
.la-lt svg{width:auto;height:calc(100px * var(--fs));max-width:100%}
.la-sum{margin:12px 0 4px;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(32px * var(--fs));line-height:1.1;display:flex;justify-content:center;align-items:baseline;gap:10px;flex-wrap:wrap}
.la-ex{color:var(--berry)}
.la-eq{color:var(--muted)}
.la-n{color:var(--ink);font-size:1.25em}
.la-sum .ascuns{visibility:hidden}
.la-n.pop{animation:pop .45s ease-out}
.la-nota{margin:4px 0 0;color:var(--muted);font-size:calc(15px * var(--fs))}
.la-nota b{color:var(--ink)}

/* ajutoarele laboratoarelor */
.lab-ajutor p{display:flex;align-items:center;gap:10px;margin:10px 0;font-size:calc(18px * var(--fs))}
.lab-ajutor .lt{display:inline-block}
.la-i{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:1.8em;height:1.8em;border-radius:50%;background:var(--sun);color:var(--on-sun);font-weight:900}
.qb{display:flex;justify-content:center;align-items:center;min-height:calc(90px * var(--fs))}
.qb .lt{height:calc(56px * var(--fs));width:auto}

/* ---------- laborator 1: cititorul de liniuțe ---------- */
.ci-top,.rd-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))}
.ci-made{display:flex;gap:6px;flex-wrap:wrap}
.ci-gata{background:var(--leaf-tint);color:var(--leaf-deep);border:2px solid var(--leaf);border-radius:999px;padding:1px 10px;font-weight:800;animation:pop .35s ease-out}
.ci-q,.rd-q{margin:4px 0 6px;text-align:center;font-weight:800;font-size:calc(20px * var(--fs));color:var(--ink)}
.ci-q b{color:var(--berry)}
/* grupele sunt butoane de aceeași înălțime, pe un rând; numărul stă exact sub grupa lui */
.ci-rand{display:flex;justify-content:center;align-items:stretch;gap:8px;flex-wrap:wrap}
.ci-g{display:flex;flex-direction:column;align-items:center;justify-content:space-between;gap:4px;min-width:calc(60px * var(--fs));padding:8px 8px 4px;border:3px dashed var(--line);border-radius:14px;background:var(--card);color:var(--ink);cursor:pointer;font:inherit}
.ci-g:hover{border-color:var(--sky)}
.ci-g .lt{height:calc(44px * var(--fs));width:auto}
.ci-v{visibility:hidden;font-family:"Baloo 2",system-ui,sans-serif;font-weight:800;font-size:calc(20px * var(--fs));line-height:1.1;color:var(--berry)}
.ci-g.on{border-style:solid;border-color:var(--berry);background:var(--berry-tint)}
.ci-g.on .ci-v{visibility:visible;animation:pop .35s ease-out}
.ci-g.scutura{animation:shake .45s}
.ci-sum{min-height:1.4em;margin:10px 0 6px;text-align:center;font-family:"Baloo 2",system-ui,sans-serif;font-weight:800;font-size:calc(22px * var(--fs));color:var(--ink)}
.ci-sum b{color:var(--berry)}
.ci-bun{color:var(--leaf-deep)!important;animation:pop .4s ease-out;display:inline-block}
.ci-var{justify-content:center}
.ci-var .chip{min-width:calc(70px * var(--fs));font-size:calc(20px * var(--fs))}
.ci-act{display:flex;gap:12px;justify-content:flex-end;align-items:center;flex-wrap:wrap;margin-top:10px;padding-top:8px;border-top:2px dashed var(--line)}

/* ---------- laborator 2: de ce rânduri ai nevoie? ---------- */
.rd-tema{color:var(--sky)}
.rd-tab{display:grid;gap:5px}
.rd-r{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1.4fr) 2.6em;align-items:center;gap:8px;min-height:calc(36px * var(--fs));padding:2px 12px;border:3px solid transparent;border-radius:12px;color:var(--ink);font:inherit;font-weight:800;font-size:calc(16px * var(--fs));text-align:left;cursor:pointer}
.rd-r.r0{background:var(--sun-tint)} .rd-r.r1{background:var(--sky-tint)} .rd-r.r2{background:var(--leaf-tint)} .rd-r.r3{background:var(--berry-tint)}
.rd-r:hover{border-color:var(--line)}
.rd-r.ales{border-color:var(--ink);box-shadow:0 4px 0 var(--ink);transform:translateY(-2px)}
.rd-r.ales .rd-cat::before{content:"✓ ";color:var(--leaf-deep)}
.rd-r:disabled{cursor:default}
.rd-cat{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rd-lt .lt{height:calc(20px * var(--fs));width:auto}
.rd-f{text-align:center;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(20px * var(--fs));line-height:1}
.rd-calc{min-height:1.5em;margin:8px 0 0;text-align:center;font-weight:800;font-size:calc(17px * var(--fs));color:var(--leaf-deep)}
.rd-calc.on{animation:pop .35s ease-out}
.rd-ok{display:inline-flex;align-items:center;justify-content:center;width:1.5em;height:1.5em;border-radius:50%;background:var(--leaf);color:var(--on-leaf)}
.rd-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)}
.rd-act .verif,.rd-act .rd-next,.rd-act .rd-again{margin-left:auto}
.rd-nu.ales{background:var(--berry);border-color:var(--berry);color:var(--card);box-shadow:0 5px 0 var(--ink)}

/* ---------- laborator 3: 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-corp{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:14px;align-items:center;margin-top:10px}
.an-vis{display:flex;justify-content:center;align-items:center}
.an-vis .tf{padding:6px 8px;border-radius:12px;background:var(--card)}
.tf-an .tf-tab{font-size:calc(14px * var(--fs));border-spacing:0 4px}
.tf-an .tf-tab td{height:calc(30px * var(--fs));padding:2px 8px}
.tf-an .tf-f{font-size:calc(19px * var(--fs))}
.tf-an .tf-cat{white-space:normal}
.an-q{font-size:calc(19px * var(--fs));font-weight:800;margin:0 0 10px;color:var(--ink);text-align:center}
.an-var{justify-content:center}
.an-var .chip{font-size:calc(17px * var(--fs));min-width:4.2em}
.an-msg{min-height:2.6em;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-final .an-q{font-size:calc(24px * var(--fs))}
.an-scor{font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(54px * var(--fs));color:var(--leaf-deep);animation:pop .5s}
html.flow .an-corp{grid-template-columns:minmax(0,1fr)}

@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; coperta și stația 2 sunt oprite din js/aplicatie.js */
@media (prefers-reduced-motion: reduce){
  .lt .lt-g.nou .lt-m,.lt .lt-g.nou .lt-et,.la-n.pop,.ci-gata,.ci-g.on .ci-v,.ci-bun,.rd-calc.on,.an-scor,.an-serie{animation:none!important}
}
html.a-still .lt .lt-g.nou .lt-m,html.a-still .la-n.pop{animation:none!important}

/* „Verifică” de la exercițiile cu bifă stă separat de opțiuni */
.task .chips + .grp{margin-top:12px}

/* 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}