/* aplicatie.css — stiluri proprii lecției „Scade fracții cu modele-bandă” (doar variabile de culoare). */

/* ---------- fracția etajată: numărătorul peste numitor ---------- */
.fr{display:inline-flex;flex-direction:column;align-items:center;vertical-align:middle;line-height:1.02;font-weight:800;margin:0 .08em;font-size:.92em}
.fr>b{font-weight:inherit;padding:0 .14em}
.fr>i{font-style:normal;border-top:.11em solid currentColor;padding:.04em .14em 0;align-self:stretch;text-align:center}
.fr .fr-l{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;text-decoration:none}
.fr.ca>b,.t-a{color:var(--sun-ink)}
.fr.cb>b{color:var(--sky)}
.fr.ct>b,.t-t{color:var(--berry)}
.fr.cs>b{color:var(--leaf-deep)}
/* în butoane și pe rândurile de text, fracția rămâne compactă */
.chip .fr,.pool-item .fr,.af-rand .fr,.ocard .fr,.bin .fr{font-size:1em}
.ans .fr{font-size:1.2em}
.task .chips .chip{min-width:3.2em;justify-content:center}
.task h3 .fr,.big .fr,.key .fr,.fact .fr,.say .fr{font-size:.8em}
.sb-unu{font-size:1.3em;font-weight:800;margin:0 .1em}
.sb-op{color:var(--muted);font-weight:800}

/* ---------- benzile: bucăți egale ---------- */
.sb-banda{display:grid;grid-template-columns:repeat(var(--n),minmax(0,1fr));gap:4px;width:100%}
.sb-p{position:relative;display:block;height:calc(40px * var(--fs));min-width:0;padding:0;margin:0;border:2.5px solid var(--ink);border-radius:6px;background:var(--card);font:inherit}
.sb-p>i{position:absolute;inset:0;border-radius:3px;pointer-events:none}
.sb-p.a>i{background:var(--sun)}
.sb-p.b>i{background:var(--sky)}
.sb-p.d>i{background:var(--leaf)}
.sb-p.t>i{background:var(--berry)}
.sb-p.x{border-style:dashed;border-color:var(--muted);background:transparent}
.sb-p.x>i{display:none}
.sb-p.x.cade>i{display:block;background:var(--berry);animation:sb-cade .9s ease-in forwards}
.sb-p.d::after{content:"+";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:calc(20px * var(--fs));color:var(--card)}
.sb-banda.mare .sb-p{height:calc(46px * var(--fs))}
button.sb-p{cursor:pointer;transition:transform .12s}
button.sb-p:hover:not(:disabled){transform:translateY(-2px)}
button.sb-p.x{cursor:pointer}
button.sb-p:disabled{cursor:default;transform:none}
@keyframes sb-cade{0%{transform:none;opacity:1}100%{transform:translateY(calc(70px * var(--fs))) rotate(22deg);opacity:0}}
@keyframes sb-pop{0%{transform:scale(.6);opacity:0}70%{transform:scale(1.1)}100%{transform:none;opacity:1}}
@keyframes sb-taie{0%{transform:translate(-50%,-4px) rotate(-90deg)}50%{transform:translate(-50%,4px) rotate(-90deg)}100%{transform:translate(-50%,0) rotate(-90deg)}}
.sb-pata{display:inline-block;width:1.1em;height:1.1em;border:2px solid var(--ink);border-radius:4px;vertical-align:-.2em;margin-right:6px;background:var(--card)}
.sb-pata.a{background:var(--sun)} .sb-pata.d{background:var(--leaf)} .sb-pata.x{border-style:dashed;border-color:var(--muted);background:transparent}

/* ---------- planșele ---------- */
.plate .sb-plansa,.plate .sb-randuri,.plate .sb-anim{background:var(--card);color:var(--ink);border-radius:12px;padding:16px;font-weight:800}
.sb-ec{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:6px;font-size:calc(26px * var(--fs));margin-bottom:12px;min-height:calc(64px * var(--fs))}
.sb-rau{display:inline-flex;align-items:center;gap:6px;color:var(--berry);text-decoration:line-through;text-decoration-thickness:3px}
.sb-termeni{display:flex;align-items:flex-start;justify-content:center;gap:10px;margin-bottom:14px;font-size:calc(28px * var(--fs))}
.sb-term{display:flex;flex-direction:column;align-items:center;gap:4px}
.sb-term small{font-size:calc(13px * var(--fs));color:var(--muted);font-weight:800}
.sb-termeni .sb-op{align-self:center;margin-top:-1.1em}
.sb-leg,.sb-reg{display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:center;margin-top:12px;font-size:calc(15px * var(--fs))}
.sb-reg span{background:var(--sun-tint);border-radius:10px;padding:4px 10px;display:inline-flex;align-items:center;gap:4px}
/* rânduri: eticheta la stânga, banda la dreapta, pe aceeași linie */
.sb-randuri{display:grid;grid-template-columns:auto 1fr;gap:12px 12px;align-items:center}
.sb-et{font-size:calc(17px * var(--fs));font-weight:800;text-align:center;min-width:3em;display:inline-flex;align-items:center;justify-content:center;gap:4px;white-space:nowrap}
.sb-obs{grid-column:1/-1;margin:4px 0 0;text-align:center;font-size:calc(16px * var(--fs));color:var(--ink);line-height:2.2}
/* animația (un singur ceas în js/aplicatie.js) */
.sb-anim .asc{visibility:hidden}
.sb-dif{display:inline-flex;align-items:center;gap:6px}
.sb-dif.nou{animation:sb-pop .45s ease-out}
.sb-scena{position:relative;padding-top:calc(30px * var(--fs));padding-bottom:calc(8px * var(--fs))}
.sb-foarfeca{position:absolute;top:0;transform:translate(-50%,0) rotate(-90deg);font-size:calc(24px * var(--fs));line-height:1}
.sb-foarfeca.taie{animation:sb-taie .6s ease-in-out 2}
.sb-jos{margin:6px 0 0;text-align:center;font-size:calc(17px * var(--fs));min-height:2.4em;line-height:2.4em}

/* ---------- laboratoare: părți comune ---------- */
.sb-top{display:flex;justify-content:space-between;align-items:center;gap:8px 14px;flex-wrap:wrap;font-weight:800;color:var(--muted);font-size:calc(14px * var(--fs))}
.sb-gata{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.sb-ok{display:inline-flex;align-items:center;gap:3px;background:var(--leaf-tint);color:var(--leaf-deep);border:2px solid var(--leaf);border-radius:999px;padding:1px 10px;font-weight:800;font-size:calc(13px * var(--fs));animation:sb-pop .35s ease-out}
.sb-act{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-top:10px;padding-top:10px;border-top:2px dashed var(--line)}
.sb-act .verif{margin-left:auto}
.sb-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
/* butonul „Verifică” de la bifare stă separat de opțiuni */
.ex-zona .chips + .grp{margin-top:14px;padding-top:10px;border-top:2px dashed var(--line);justify-content:flex-end}

/* ---------- laborator: foarfeca ---------- */
.sf-ec{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin:6px 0 8px;font-size:calc(28px * var(--fs));font-weight:800;color:var(--ink)}
.sf-fr{display:inline-flex;flex-direction:column;align-items:center;gap:4px}
.sf-in{width:calc(60px * var(--fs));height:calc(40px * var(--fs));text-align:center;font:inherit;font-size:calc(24px * var(--fs));font-weight:800;color:var(--ink);background:var(--card);border:3px solid var(--sky);border-radius:10px;padding:0}
.sf-in:focus{outline:3px solid var(--sun);outline-offset:1px}
.sf-num{color:var(--leaf-deep)}
.sf-bar{display:block;width:100%;height:4px;border-radius:2px;background:var(--ink)}
.sf-sub{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-top:6px;font-weight:800;color:var(--muted);font-size:calc(14px * var(--fs))}
.sf-sub span{display:inline-flex;align-items:center;gap:4px}
.sf-sub .sf-live{color:var(--ink);font-size:calc(16px * var(--fs))}

/* ---------- laborator: două benzi ---------- */
.db-text{margin:6px 0 8px;font-weight:800;color:var(--ink);font-size:calc(16px * var(--fs));line-height:1.6;display:flex;align-items:center;flex-wrap:wrap;gap:0 4px}
.db-benzi{display:grid;grid-template-columns:4.6em 1fr;gap:8px 10px;align-items:center}
.db-benzi .sb-et{font-size:calc(14px * var(--fs));color:var(--muted);justify-content:flex-start}
.db-alege{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:10px}
.db-cer{font-weight:800;color:var(--ink);font-size:calc(16px * var(--fs))}
.db-alege .chips{flex:1}
.ex-zona .db .db-v{min-width:calc(62px * var(--fs));min-height:calc(54px * var(--fs));display:inline-flex;align-items:center;justify-content:center;font-size:calc(18px * var(--fs));font-weight:800;color:var(--ink);border:3px solid var(--stripe);border-radius:14px;box-shadow:0 5px 0 var(--stripe);cursor:pointer}
.ex-zona .db .db-v:hover:not(:disabled){transform:translateY(-2px)}
.ex-zona .db .db-v.ales{background:var(--berry);border-color:var(--berry);color:var(--card);box-shadow:0 5px 0 var(--ink);transform:translateY(-3px)}
.ex-zona .db .db-v:disabled{opacity:.6;transform:none}

/* ---------- 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.aprinsa{color:var(--berry);animation:sb-pop .4s ease-out}
.an-cer{margin:8px 0 0;text-align:center;font-weight:800;color:var(--muted);font-size:calc(15px * var(--fs))}
.an-q{display:flex;align-items:center;justify-content:center;gap:8px;font-size:calc(28px * var(--fs));font-weight:800;margin:4px 0 10px;color:var(--ink);text-align:center}
.an-q .gol{display:inline-flex;align-items:center;gap:4px;min-width:2em;border-bottom:3px dashed var(--leaf);color:var(--muted);justify-content:center}
.an-q .gol.plin{border-bottom-style:solid;color:var(--leaf-deep);font-size:.8em}
.an-var{justify-content:center}
.an-var .chip{font-size:calc(18px * var(--fs));min-width:5em;display:inline-flex;align-items:center;justify-content:center;gap:4px}
.an-viz{min-height:calc(40px * var(--fs));margin-top:10px}
.an-viz .sb-p{height:calc(30px * var(--fs))}
.an-benzi{display:flex;flex-direction:column;gap:6px}
.an-msg{min-height:1.5em;margin:8px 0 0;text-align:center;font-weight:800;line-height:1.9}
.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:sb-pop .5s}

/* mișcare redusă (sistem) și „fără animații”: bucățile nu mai cad, rămâne conturul punctat (stare statică completă) */
@media (prefers-reduced-motion: reduce){
  .sb-p.x.cade>i{display:none!important}
  .sb-dif,.sb-foarfeca,.sb-ok,.an-serie,.an-scor,button.sb-p{animation:none!important;transition:none!important}
}
html.a-still .sb-p.x.cade>i{display:none!important}
html.a-still .sb-dif,html.a-still .sb-foarfeca,html.a-still .sb-ok{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}