/* aplicatie.css — stiluri proprii lecției „Convertește și compară unități de lungime” (doar variabile de culoare). */

/* ---------- planșe desenate ---------- */
.plate .sc,.plate .bm,.plate .dr,.plate .km,.plate .cmp,.plate .mx,.plate .cl-scena{
  background:var(--card);color:var(--ink);border-radius:12px;padding:12px;font-weight:800}
.plate svg{display:block;width:100%;height:auto}
.plate svg text{font-family:var(--f-body);font-weight:800}

/* scara unităților: trepte, unități, rândurile ×10 / :10 și jetonul cu numărul */
.sc-col{fill:var(--sky-tint);stroke:var(--sky);stroke-width:2;transition:fill .3s}
.sc-col.cur{fill:var(--sun);stroke:var(--sun-edge)}
.sc-u{font-size:17px;fill:var(--ink)}
.sc-v{font-size:11px;fill:var(--ink);display:none}
.sc-op rect{fill:var(--card);stroke:var(--line);stroke-width:1.5}
.sc-op text{font-size:12px}
.sc-op.dn text{fill:var(--leaf-deep)} .sc-op.up text{fill:var(--berry)}
.sc-op.on.dn rect{fill:var(--leaf);stroke:var(--leaf)} .sc-op.on.dn text{fill:var(--on-leaf)}
.sc-op.on.up rect{fill:var(--berry);stroke:var(--berry)} .sc-op.on.up text{fill:var(--card)}
.sc-leg{font-size:14px;fill:var(--muted)}
.sc-leg.dn.on{fill:var(--leaf-deep)} .sc-leg.up.on{fill:var(--berry)}
.sc-tok{transition:transform .6s cubic-bezier(.4,1.4,.6,1)}
.sc-tok rect{fill:var(--ink);transition:width .3s,x .3s}
.sc-tok text{font-size:15px;fill:var(--card)}
.sc-cap{margin:4px 0 0;text-align:center;font-size:calc(17px * var(--fs));line-height:1.35;color:var(--ink);min-height:1.35em}
.sc-cap b{color:var(--ink)} .sc-cap b.dn,.sc-cap .sc-pas.dn{color:var(--leaf-deep)} .sc-cap b.up,.sc-cap .sc-pas.up{color:var(--berry)}
.sc-pas{font-size:.85em;white-space:nowrap}
/* fără animații: toate valorile scrise deasupra treptelor, fără jeton */
.sc.static .sc-tok{display:none}
.sc.static .sc-v{display:inline}
.sc.static .sc-col.cur{fill:var(--sky-tint);stroke:var(--sky)}

/* banda metrică */
.bm-corp,.bm-corp2{fill:var(--sun-tint);stroke:var(--sun-edge);stroke-width:2}
.bm-dm.a{fill:var(--sun-tint)} .bm-dm.b{fill:var(--sun)} .bm-dm.primul{fill:var(--leaf-tint)}
.bm-cm1{fill:var(--leaf-tint)}
.bm-t{stroke:var(--ink);stroke-width:1.2}
.bm-n{font-size:12px;fill:var(--ink)}
.bm-et{font-size:17px;fill:var(--leaf-deep)}
.bm-s{font-size:14px;fill:var(--muted)}
.bm-zoom{fill:none;stroke:var(--leaf);stroke-width:2;stroke-dasharray:5 4}

/* drumul pe scară (stațiile 3 și 4) */
.dr{display:grid;gap:4px}
.dr-r{display:flex;align-items:center;gap:12px;margin-left:calc(var(--i) * 34px)}
.dr.sus .dr-r{margin-left:calc((3 - var(--i)) * 34px)}
.dr-r b{display:inline-flex;align-items:center;justify-content:center;min-width:6.2em;height:calc(46px * var(--fs));padding:0 12px;border-radius:12px;background:var(--sky-tint);border:2px solid var(--sky);font-size:calc(22px * var(--fs));white-space:nowrap}
.dr-r:nth-last-child(2) b{background:var(--sun);border-color:var(--sun-edge);color:var(--on-sun)}
.dr-op{font-size:calc(17px * var(--fs));color:var(--leaf-deep);white-space:nowrap}
.dr.sus .dr-op{color:var(--berry)}
.dr-tot{margin:8px 0 0;padding:6px 10px;border-radius:10px;background:var(--leaf-tint);color:var(--leaf-deep);text-align:center;font-size:calc(17px * var(--fs))}

/* kilometrul */
.km-s.a{fill:var(--leaf-tint)} .km-s.b{fill:var(--leaf)}
.km-t{stroke:var(--ink);stroke-width:1.5}
.km-n{font-size:12px;fill:var(--ink)}
.km-et{font-size:20px;fill:var(--leaf-deep)}
.km-e{font-size:24px}
.km-ac{fill:none;stroke:var(--berry);stroke-width:2}
.km-s2{font-size:15px;fill:var(--ink)}

/* comparația 3 m / 250 cm */
.cmp-t{font-size:17px;fill:var(--ink)} .cmp-eg{fill:var(--leaf-deep)}
.cmp-a{fill:var(--sky)} .cmp-b{fill:var(--sun)}
.cmp-dif{fill:none;stroke:var(--berry);stroke-width:2.5;stroke-dasharray:6 4}
.cmp-d{font-size:14px;fill:var(--berry)}
.cmp-r{font-size:17px;fill:var(--leaf-deep)}

/* legătura cu unitățile mixte */
.mx-m{fill:var(--sky);stroke:var(--card);stroke-width:2} .mx-m.b{fill:var(--sky)}
.mx-c{fill:var(--sun)}
.mx-tx{font-size:16px;fill:var(--card)} .mx-tx2{font-size:13px;fill:var(--on-sun)}
.mx-et{font-size:18px;fill:var(--ink)}
.mx-s{font-size:15px;fill:var(--muted)}
.mx-r{font-size:18px;fill:var(--leaf-deep)}

/* plăcuțe de răspuns mari la alege / completează / multi */
.task .ex-zona > .chips .chip{min-width:calc(64px * var(--fs));min-height:calc(48px * var(--fs));padding:6px 14px;font-size:calc(18px * var(--fs))}

/* pe telefon, planșa laboratoarelor stă deasupra butoanelor */
html.flow .lesson .work:has(.sc-lab,.cl-scena){order:-1}

/* ---------- laborator: scara transformărilor ---------- */
.ls-top,.cl-top{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;font-weight:800}
.ls-step,.cl-step{color:var(--muted);font-size:calc(14px * var(--fs))}
.ls-cer{font-size:calc(19px * var(--fs));color:var(--ink)}
.ls-cer b{color:var(--berry)}
/* rândul cu butoanele: aceeași înălțime, aliniate pe centru, cu valoarea curentă între ele */
.ls-mv{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:8px}
.ls .ls-mv .ls-b{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-width:calc(118px * var(--fs));height:calc(66px * var(--fs));padding:4px 12px;border-radius:14px;font:inherit;font-weight:800;font-size:calc(18px * var(--fs));cursor:pointer;color:var(--ink);background:var(--card);border:3px solid var(--stripe);box-shadow:0 5px 0 var(--stripe)}
.ls .ls-b small{font-size:.85em}
.ls .ls-mv .ls-b.up{border-color:var(--berry);box-shadow:0 5px 0 var(--berry)} .ls-b.up small{color:var(--berry)}
.ls .ls-mv .ls-b.dn{border-color:var(--leaf);box-shadow:0 5px 0 var(--leaf)} .ls-b.dn small{color:var(--leaf-deep)}
.ls .ls-mv .ls-b:hover{transform:translateY(-2px)} .ls .ls-mv .ls-b:active{transform:translateY(3px)}
.ls .ls-mv .ls-b:disabled{opacity:.45;transform:none;cursor:not-allowed}
.ls-acum{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:0;height:calc(66px * var(--fs));border-radius:14px;background:var(--sun-tint);border:2px solid var(--sun-edge)}
.ls-et{font-size:calc(12px * var(--fs));color:var(--muted);font-weight:800;text-transform:uppercase}
.ls-val{font-size:calc(24px * var(--fs));line-height:1.1;color:var(--ink);white-space:nowrap}
.ls-tr{font-size:calc(13px * var(--fs));color:var(--muted);font-weight:700}
.ls-msg,.cl-msg{min-height:1.3em;margin:6px 0 0;font-weight:800;color:var(--berry);font-size:calc(15px * var(--fs))}
.ls-made,.cl-made{display:flex;gap:8px;flex-wrap:wrap;min-height:4px}
.ls-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:pop .35s ease-out;white-space:nowrap}
.ls-act,.cl-act{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-top:6px;padding-top:8px;border-top:2px dashed var(--line)}
.ls-act .verif,.cl-act .verif{margin-left:auto}
.ls-act .verif:disabled,.cl-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* ---------- laborator: cine e mai lung? ---------- */
.cl-nr{color:var(--ink);font-size:calc(16px * var(--fs))}
.cl-pas{margin:6px 0 4px;font-weight:800;color:var(--ink);font-size:calc(16px * var(--fs));display:flex;align-items:center;gap:8px}
.cl-pas b{display:inline-flex;align-items:center;justify-content:center;width:1.6em;height:1.6em;border-radius:50%;background:var(--leaf);color:var(--on-leaf);font-size:.85em}
.cl-btns{display:flex;gap:10px;flex-wrap:wrap}
.cl .cl-btns .cl-b{min-width:calc(96px * var(--fs));min-height:calc(48px * var(--fs));padding:4px 14px;border-radius:14px;font:inherit;font-weight:800;font-size:calc(17px * var(--fs));cursor:pointer;color:var(--ink);background:var(--card);border:3px solid var(--stripe);box-shadow:0 5px 0 var(--stripe)}
.cl .cl-btns .cl-b:hover{transform:translateY(-2px)}
.cl .cl-btns .cl-b.ales{background:var(--berry);border-color:var(--berry);color:var(--card);box-shadow:0 5px 0 var(--ink);transform:translateY(-3px)}
.cl .cl-btns .cl-b:disabled{opacity:.45;transform:none;cursor:not-allowed}
.cl-scena{display:grid;gap:6px;min-height:calc(260px * var(--fs));align-content:center}
.cl-rand{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap;font-size:calc(18px * var(--fs))}
.cl-n b{display:inline-flex;align-items:center;justify-content:center;width:1.5em;height:1.5em;border-radius:8px;background:var(--ink);color:var(--card)}
.cl-v{white-space:nowrap} .cl-v i{font-style:normal;color:var(--leaf-deep)}
.cl-pista{position:relative;height:calc(34px * var(--fs));border-radius:10px;background:var(--paper);border:2px solid var(--line);overflow:hidden;margin-bottom:8px}
.cl-pista.gol{border-style:dashed}
.cl-pista span{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--muted)}
.cl-bar{display:block;height:100%;border-radius:8px;transition:width .7s ease-out}
.cl-bar.a{background:var(--sky)} .cl-bar.b{background:var(--sun)}
.cl-made{justify-content:center;margin-top:6px}
.cl-nota{margin:2px 0 0;text-align:center;color:var(--berry);font-size:calc(16px * var(--fs))}

/* ---------- 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(28px * var(--fs));font-weight:800;margin:12px 0;color:var(--ink);text-align:center}
.an-q .gol{display:inline-block;min-width:3.6em;border-bottom:3px dashed var(--leaf);text-align:center;color:var(--muted)}
.an-q .gol.plin{border-bottom-style:solid;color:var(--leaf-deep);animation:pop .35s}
.an-var{justify-content:center}
.an-var .chip{font-size:calc(20px * var(--fs));min-width:5.5em;min-height:calc(50px * var(--fs))}
.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}}

/* mișcare redusă (sistem): animațiile se opresc; scara este oprită din js/aplicatie.js */
@media (prefers-reduced-motion: reduce){
  .sc-tok,.sc-col,.cl-bar,.ls-gata,.an-q .gol,.an-scor,.an-serie{animation:none!important;transition:none!important}
}
html.a-still :is(.sc-tok,.sc-col,.cl-bar,.ls-gata,.an-q .gol,.an-scor,.an-serie){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}