/* aplicatie.css — stiluri proprii lecției „Ordonează fracții” (doar variabile de culoare). */

/* ---------- fracția stivuită: numărătorul peste numitor, fără bara oblică vizibilă ---------- */
.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}
.chip .fr,.pool-item .fr,.af-rand .fr,.ans .fr{font-size:1em}
.task h3 .fr,.big .fr,.key .fr,.fact .fr,.say .fr,.hint .fr{font-size:.8em}
.task .chips .chip{min-width:3.2em;justify-content:center}
.task .order .ocard .lab .fr{font-size:1.5em}
.sg{display:inline-block;font-weight:900;color:var(--berry);margin:0 .1em}

/* ---------- planșele: benzi sub axă (SVG) ---------- */
.plate .ob-plansa{background:var(--card);color:var(--ink);border-radius:12px;padding:12px 12px 8px}
.ob-svg{display:block;width:100%;height:auto;overflow:visible}
.ob-svg text{fill:var(--ink);font-weight:800;font-family:inherit}
.ob-svg .ob-fr line{stroke:var(--ink);stroke-width:1.6}
.ob-svg .ob-nr.mic text{fill:var(--muted)} .ob-svg .ob-nr.mic line{stroke:var(--muted)}
.ob-svg text.ob-nr{fill:var(--muted)}
.ob-ax{stroke:var(--ink);stroke-width:3;stroke-linecap:round}
.ob-ax-v{fill:var(--ink)}
.ob-tick{stroke:var(--ink);stroke-width:2}
.ob-tick.mare{stroke-width:3}
.ob-ghid{stroke:var(--muted);stroke-width:1.5;stroke-dasharray:5 5;opacity:.75}
.ob-ghid.jum{stroke:var(--leaf-deep)}
.ob-ghid.sel{stroke:var(--ink);opacity:.55}
.ob-z{opacity:.9}
.ob-z.z0{fill:var(--sky-tint)} .ob-z.z2{fill:var(--sun-tint)} .ob-z.z4{fill:var(--berry-tint)}
.ob-zt text{fill:var(--muted);font-size:13px}
.ob-zt .ob-fr line{stroke:var(--muted)}
.ob-p{stroke:var(--card);stroke-width:2}
.ob-p.g0{fill:var(--sky)} .ob-p.g1{fill:var(--leaf)} .ob-p.g2{fill:var(--sun)} .ob-p.g3{fill:var(--leaf-deep)} .ob-p.g4{fill:var(--berry)}
.ob-row.ra .ob-p{fill:var(--sky)} .ob-row.rb .ob-p{fill:var(--berry)} .ob-row.tu .ob-p{fill:var(--leaf)}
.ob-row.asc{opacity:0}
/* benzile se mută pe verticală: din ordinea afișată (--y0) în ordinea finală (--y1) */
.ob-row{transform:translateY(var(--y0));transition:transform .9s cubic-bezier(.5,0,.3,1),opacity .4s}
.ordonat .ob-row{transform:translateY(var(--y1))}
.static .ob-row,html.a-still .ob-row{transition:none!important}
.ob-stare{position:relative;height:1.6em;margin:4px 0 0;text-align:center;font-weight:800;font-size:calc(15px * var(--fs))}
.ob-stare span{position:absolute;left:0;right:0;transition:opacity .4s}
.ob-stare .m{color:var(--muted)} .ob-stare .o{color:var(--leaf-deep);opacity:0}
.ordonat .ob-stare .m{opacity:0} .ordonat .ob-stare .o{opacity:1}
.ob-jos{margin:6px 0 0;text-align:center;font-weight:800;font-size:calc(18px * var(--fs));min-height:1.6em;color:var(--ink)}
.ob-dubl{display:flex;flex-direction:column;gap:4px;margin-top:6px;font-weight:800;font-size:calc(16px * var(--fs))}
.ob-dubl span{background:var(--paper);border-radius:10px;padding:3px 10px}
.ob-dubl .t0{color:var(--sky)} .ob-dubl .t1{color:var(--leaf-deep)} .ob-dubl .t2{color:var(--sun-ink)}
.ob-nota{margin:6px 0 0;text-align:center;font-weight:800;font-size:calc(18px * var(--fs))}

/* ---------- plăcuțe de fracții (laboratoare): butoane mari, aceeași înălțime, „ales” clar ---------- */
.srt-t,.tr-t,.tr-v,.srt-h,.mj-pm{--stripe:var(--leaf-deep)}
.srt-t,.tr-t,.tr-v{display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box;min-width:calc(56px * var(--fs));height:calc(64px * var(--fs));padding:0 10px;
  font:inherit;font-weight:800;font-size:calc(21px * var(--fs));color:var(--ink);background:var(--card);border:3px solid var(--stripe);border-radius:14px;box-shadow:0 5px 0 var(--stripe);cursor:pointer;position:relative}
.srt-t:hover:not(:disabled),.tr-t:hover{transform:translateY(-2px)}
.srt-t.ales{background:var(--berry);border-color:var(--berry);color:var(--card);box-shadow:0 5px 0 var(--ink);transform:translateY(-3px)}
.srt-t.fix{border-color:var(--leaf);box-shadow:0 5px 0 var(--leaf-deep)}
.srt-t.nr{background:var(--leaf-tint)}
.srt-t:disabled{cursor:default}
.srt-b{flex:0 0 auto;width:22px;height:22px;margin-right:4px;border-radius:50%;background:var(--leaf-deep);color:var(--card);font-size:13px;display:inline-flex;align-items:center;justify-content:center}
.scutura{animation:ob-shake .45s}
@keyframes ob-shake{0%,100%{transform:none}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
@keyframes ob-pop{0%{transform:scale(.6)}70%{transform:scale(1.12)}100%{transform:none}}

/* ---------- laborator: sertarele reperelor ---------- */
.srt-top,.tr-top,.mj-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))}
.srt-faza{color:var(--leaf-deep)}
.srt-ind,.tr-ind{margin:4px 0 6px;font-weight:800;color:var(--ink);font-size:calc(15px * var(--fs));min-height:1.4em}
.srt-pool:empty,.tr-pool:empty{display:none}
.srt-pool,.tr-pool{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;align-items:center;min-height:calc(72px * var(--fs));padding:4px 0}
.srt-gol,.tr-gol{color:var(--muted);font-weight:700}
.srt-ser{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:2px}
.srt-s{border:3px solid var(--line);border-radius:14px;padding:5px;display:flex;flex-direction:column;gap:6px;min-width:0}
.srt-s.z0{background:var(--sky-tint);border-color:var(--sky)}
.srt-s.z2{background:var(--sun-tint);border-color:var(--sun)}
.srt-s.z4{background:var(--berry-tint);border-color:var(--berry)}
.srt-h{font:inherit;font-weight:800;font-size:calc(15px * var(--fs));color:var(--ink);background:var(--card);border:2px solid var(--stripe);border-radius:10px;padding:6px 4px;cursor:pointer;min-height:calc(46px * var(--fs));box-shadow:0 3px 0 var(--stripe)}
.srt-h:disabled{opacity:.75;cursor:default;box-shadow:none}
.srt-in{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;align-items:center;min-height:calc(60px * var(--fs))}
.srt-in .srt-t{min-width:calc(50px * var(--fs));height:calc(60px * var(--fs));font-size:calc(19px * var(--fs));padding:0 6px}
.srt-made,.tr-made,.mj-made{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;margin-top:6px}
.srt-gata,.tr-gata,.mj-gata{background:var(--leaf-tint);color:var(--leaf-deep);border:2px solid var(--leaf);border-radius:999px;padding:2px 12px;font-weight:800;animation:ob-pop .35s ease-out}
.srt-act,.tr-act,.mj-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)}
.srt-act .verif,.tr-act .verif,.mj-act .verif,.srt-next,.tr-next{margin-left:auto}
.srt-act .verif:disabled,.tr-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* stația 5: cele trei coșuri pe un singur rând */
#task-s5 .sort{grid-template-columns:repeat(3,minmax(0,1fr))}
#task-s5 .bin{min-height:0}

/* ---------- laborator: trenul fracțiilor ---------- */
.tr-dir b{color:var(--berry)}
.tr-linie{display:flex;align-items:center;gap:6px;margin:10px 0 4px;padding:6px 8px 10px;border-bottom:5px solid var(--muted);border-radius:4px;flex-wrap:wrap}
.tr-loco{font-size:calc(40px * var(--fs));line-height:1;transform:scaleX(-1)}
.tr-vag{display:flex;align-items:center;gap:2px;flex-wrap:wrap;row-gap:8px}
.tr-v{min-width:calc(58px * var(--fs));background:var(--sun-tint);border-color:var(--sun);box-shadow:0 5px 0 var(--sun-edge)}
.tr-v.gol{border-style:dashed;background:var(--card);box-shadow:none;cursor:default}
.tr-v:disabled{cursor:default}
.tr-nr{color:var(--muted);font-size:calc(16px * var(--fs))}
.tr-sg{display:inline-flex;align-items:center;justify-content:center;width:calc(20px * var(--fs));height:calc(64px * var(--fs));font-weight:900;font-size:calc(22px * var(--fs));color:var(--berry)}
.tr-sg.on{animation:ob-pop .4s ease-out}

/* ---------- laborator: fracția din mijloc ---------- */
.mj-cer{color:var(--ink)}
.mj-ec{display:flex;align-items:center;justify-content:center;gap:12px;margin:12px 0 2px;font-weight:800}
.mj-cap{font-size:calc(34px * var(--fs));display:inline-flex;align-items:center;justify-content:center;min-width:calc(64px * var(--fs));height:calc(96px * var(--fs));border-radius:14px;border:3px solid}
.mj-cap.ca{color:var(--sky);border-color:var(--sky);background:var(--sky-tint)}
.mj-cap.cb{color:var(--berry);border-color:var(--berry);background:var(--berry-tint)}
.mj-sg{font-size:calc(34px * var(--fs));color:var(--muted)}
.mj-build{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 10px;border:3px solid var(--leaf);border-radius:16px;background:var(--leaf-tint)}
.mj-rand{display:flex;align-items:center;gap:8px}
.mj-n,.mj-d{display:inline-flex;align-items:center;justify-content:center;min-width:1.6em;font-size:calc(30px * var(--fs));color:var(--leaf-deep);font-family:"Baloo 2",system-ui,sans-serif;line-height:1}
.mj-bara{display:block;width:100%;height:4px;border-radius:2px;background:var(--leaf-deep)}
.mj-pm{width:calc(42px * var(--fs));height:calc(42px * var(--fs));border-radius:12px;border:3px solid var(--stripe);background:var(--card);color:var(--ink);font:inherit;font-weight:900;font-size:calc(22px * var(--fs));line-height:1;cursor:pointer;box-shadow:0 4px 0 var(--stripe);display:inline-flex;align-items:center;justify-content:center}
.mj-pm:disabled{opacity:.35;box-shadow:none;cursor:not-allowed}
.mj-et{display:flex;justify-content:center;gap:24px;color:var(--muted);font-weight:800;font-size:calc(13px * 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.aprinsa{color:var(--berry);animation:ob-pop .4s ease-out}
.an-q{font-size:calc(23px * var(--fs));font-weight:800;margin:12px 0;color:var(--ink);text-align:center}
.an-var{justify-content:center}
.an-var .chip{font-size:calc(19px * var(--fs));min-width:4.5em;min-height:calc(58px * var(--fs));justify-content:center}
.an-msg{min-height:1.5em;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:ob-pop .5s}

/* mișcare redusă (sistem): animațiile se opresc; planșele rămân pe starea ordonată (js/aplicatie.js) */
@media (prefers-reduced-motion: reduce){
  .ob-row,.ob-stare span{transition:none!important}
  .srt-gata,.tr-gata,.mj-gata,.an-scor,.an-serie,.tr-sg,.scutura{animation:none!important}
}
html.a-still .ob-stare span{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}
/* „Verifică” de la bifare stă separat de variante, în dreapta */
.task .ex-zona>.grp{margin-top:14px;justify-content:flex-end}

/* sertarele: rânduri mai strânse, ca mesajul de greșeală să încapă pe scenă */
.srt .srt-pool{min-height:0;padding:0}
.srt .srt-ind{margin:2px 0 4px}
.srt .srt-act{margin-top:6px;padding-top:6px}
.srt .srt-pool .srt-t{height:calc(58px * var(--fs))}