/* aplicatie.css — stiluri proprii lecției „Alege numerele cu suma dată” (doar variabile de culoare).
   Prefixe: sd- (planșe), ca- (căutătorul), pn- (panoul), an- (antrenament). */

/* ---------- planșe ---------- */
.sd-card{background:var(--card);color:var(--ink);border-radius:12px;padding:16px;text-align:center}
.plate .sd-card{font-weight:800}
.sd-nota{margin:12px 0 0;font-size:calc(22px * var(--fs));font-weight:800;color:var(--ink)}
.sd-nota b{color:var(--berry)}

/* diagrama-bandă: întregul sus, acolada, părțile jos (aceeași lățime totală, aliniate) */
.sd-banda{display:flex;flex-direction:column;align-items:stretch;gap:0;min-width:260px}
.sd-intreg{display:flex;align-items:center;justify-content:center;height:calc(48px * var(--fs));background:var(--sun);color:var(--on-sun);border:3px solid var(--sun-edge);border-radius:12px;font-size:calc(20px * var(--fs));font-weight:800}
.sd-intreg b{font-family:"Baloo 2",system-ui,sans-serif;font-size:1.3em;margin-left:.3em}
.sd-acolada{height:14px;margin:4px 6px;border:3px solid var(--muted);border-bottom:0;border-radius:10px 10px 0 0}
.sd-parti{display:flex;gap:4px}
.sd-parte{display:flex;align-items:center;justify-content:center;min-width:0;height:calc(52px * var(--fs));border-radius:12px;border:3px solid;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(26px * var(--fs));transition:flex-grow .6s ease}
.sd-pa{background:var(--sky-tint);border-color:var(--sky);color:var(--ink)}
.sd-pb{background:var(--berry-tint);border-color:var(--berry);color:var(--ink)}
.sd-pc{background:var(--leaf-tint);border-color:var(--leaf);color:var(--ink)}
.sd-parte.sd-gol{border-style:dashed;background:var(--card);color:var(--muted)}
.sd-cov .sd-parte{font-size:calc(30px * var(--fs))}
.sd-cov.static .sd-parte{transition:none}

/* stația 3: căutătorul de complement */
.sd-tinta{display:inline-flex;align-items:center;gap:6px;background:var(--sun);color:var(--on-sun);border-radius:999px;padding:4px 16px;font-size:calc(20px * var(--fs))}
.sd-tinta b{font-family:"Baloo 2",system-ui,sans-serif;font-size:1.25em}
.sd-set{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:14px 0 6px}
.sd-n{display:inline-flex;align-items:center;justify-content:center;min-width:2.6em;height:calc(46px * var(--fs));border:3px solid var(--line);border-radius:12px;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(24px * var(--fs));transition:background .3s,border-color .3s,transform .3s}
.sd-n.luat{border-color:var(--sky);background:var(--sky-tint);transform:translateY(-4px)}
.sd-n.gasit{border-color:var(--leaf);background:var(--leaf);color:var(--on-leaf);transform:translateY(-4px)}
.sd-calc{margin:10px 0 4px;font-size:calc(22px * var(--fs))}
.sd-calc .ct-x{color:var(--sky)}
.sd-calc b{font-family:"Baloo 2",system-ui,sans-serif;font-size:1.2em}
.sd-calc .ct-c{color:var(--berry)}
.sd-verdict{margin:6px 0 0;font-size:calc(19px * var(--fs));min-height:1.4em}
.sd-verdict.da{color:var(--leaf-deep)} .sd-verdict.nu{color:var(--berry)}
.sd-caut.static .sd-n{transition:none}

/* stația 6: calcul în coloană (semnul la dreapta primului număr, linia sub al doilea) */
.sd-col{display:inline-grid;grid-template-columns:repeat(3,1.1em) 1.1em;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(46px * var(--fs));line-height:1.05}
.sd-col>span{display:flex;align-items:center;justify-content:center}
.sd-col .h{font-family:Nunito,system-ui,sans-serif;font-size:.36em;font-weight:900;color:var(--muted)}
.sd-col .h.u{color:var(--leaf-deep);background:var(--leaf-tint);border-radius:6px 6px 0 0}
.sd-col .tr{font-size:.45em;color:var(--berry);align-items:flex-end}
.sd-col .u,.sd-col .u0{background:var(--leaf-tint);color:var(--leaf-deep)}
.sd-col .semn{color:var(--berry)}
.sd-col .r{border-top:4px solid var(--ink)}
.sd-col .r.u{color:var(--berry)}

/* stația 7: axa numerelor */
.sd-axa{width:100%;max-width:440px;height:auto;display:block;margin:0 auto}
.sd-axa text{fill:var(--ink);font-family:Nunito,system-ui,sans-serif;font-weight:800;font-size:15px}
.sd-axa .t-t{fill:var(--sun-ink)} .sd-axa .t-ok{fill:var(--leaf-deep)} .sd-axa .t-no{fill:var(--berry)}
.sd-axa .t-mic{font-size:13px;fill:var(--muted)}

/* ---------- plăcuțe comune (panou și antrenament): mari, egale, cu starea „ales” clară ---------- */
.pn-t{display:inline-flex;align-items:center;justify-content:center;min-width:calc(92px * var(--fs));min-height:calc(56px * var(--fs));padding:4px 14px;font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(25px * var(--fs));font-weight:800;color:var(--ink);background:var(--sky-tint);border:3px solid var(--sky);border-radius:14px;box-shadow:0 5px 0 var(--sky);cursor:pointer;transition:transform .15s}
.pn-t:hover:not(:disabled){transform:translateY(-2px)}
.pn-t.ales{background:var(--sun);border-color:var(--sun-edge);color:var(--on-sun);box-shadow:0 5px 0 var(--sun-edge);transform:translateY(-3px)}
.pn-t.ales::before{content:"✓";margin-right:6px;font-size:.8em}
.pn-t.good{background:var(--leaf);border-color:var(--leaf-deep);box-shadow:0 5px 0 var(--leaf-deep);color:var(--on-leaf)}
.pn-t.bad{background:var(--berry);border-color:var(--berry);box-shadow:0 5px 0 var(--ink);color:var(--card)}
.pn-t:disabled{cursor:default}

/* ---------- laborator: căutătorul ---------- */
.ca-top,.pn-top{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;font-weight:800;color:var(--muted);font-size:calc(15px * var(--fs))}
.ca-tinta,.pn-tinta{background:var(--sun);color:var(--on-sun);border-radius:999px;padding:3px 14px;font-size:calc(17px * var(--fs))}
.ca-tinta b,.pn-tinta b{font-family:"Baloo 2",system-ui,sans-serif;font-size:1.2em}
.ca-set{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:10px 0 4px}
.ca-n{display:inline-flex;align-items:center;justify-content:center;min-width:2.8em;height:calc(44px * var(--fs));border:3px solid var(--line);border-radius:12px;background:var(--card);color:var(--ink);font-family:"Baloo 2",system-ui,sans-serif;font-size:calc(21px * var(--fs));font-weight:800}
.ca-n.luat{border-color:var(--sky);background:var(--sky-tint)}
.ca-n.gasit{border-color:var(--leaf);background:var(--leaf);color:var(--on-leaf);animation:sd-pop .4s ease-out}
.ca-q{margin:10px 0 8px;text-align:center;font-weight:800;font-size:calc(21px * var(--fs));color:var(--ink)}
.ca-q b{font-family:"Baloo 2",system-ui,sans-serif;font-size:1.15em}
.ca-x{color:var(--sky)} .ca-c{color:var(--berry)}
.ca-var{justify-content:center;gap:12px}
.ca-var .chip{min-width:5em;min-height:calc(50px * var(--fs));font-size:calc(21px * var(--fs));font-weight:800;justify-content:center}
.ca-var .chip.bad{animation:sd-shake .45s}
.ca-msg{min-height:1.4em;margin:8px 0 0;text-align:center;font-weight:800}
.ca-msg.bine{color:var(--leaf-deep)}
.ca-again{display:block;margin:8px auto 0}

/* ---------- laborator: panoul cu numere ---------- */
.pn-bara{position:relative;height:calc(40px * var(--fs));margin:10px 0 12px;background:var(--paper);border:3px solid var(--ink);border-radius:12px;overflow:hidden}
.pn-fill{position:absolute;left:0;top:0;bottom:0;width:0;background:var(--sky-tint);border-right:4px solid var(--sky);transition:width .45s ease}
.pn-fill.plin{background:var(--leaf-tint);border-right-color:var(--leaf)}
.pn-bara:has(.pn-fill.plin){border-color:var(--leaf)}
.pn-peste{position:absolute;inset:0;background:repeating-linear-gradient(135deg,var(--berry-tint) 0 10px,transparent 10px 20px);opacity:0;transition:opacity .3s}
.pn-val{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:calc(18px * var(--fs));color:var(--ink)}
.pn-fill.plin~.pn-val b{color:var(--leaf-deep)}
.pn-bara.rau{animation:sd-shake .45s}
.pn-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.pn-tiles .pn-t{width:100%}
.pn-act{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-top:14px;padding-top:10px;border-top:2px dashed var(--line)}
.pn-act .verif{margin-left:auto}
.pn-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* ---------- 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:sd-pop .4s ease-out}
.an-q{font-size:calc(26px * var(--fs));font-weight:800;margin:12px 0;color:var(--ink);text-align:center}
.an-q b{font-family:"Baloo 2",system-ui,sans-serif;font-size:1.25em;color:var(--berry)}
.an-tiles{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.an-msg{min-height:1.5em;margin:12px 0 0;text-align:center;font-weight:800;color:var(--muted)}
.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:sd-pop .5s}

@keyframes sd-pop{0%{transform:scale(.6)}70%{transform:scale(1.15)}100%{transform:none}}
@keyframes sd-shake{0%,100%{transform:none}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}

/* fără animații (accesibilitate) și mișcare redusă: stare statică completă */
html.a-still .sd-parte,html.a-still .sd-n,html.a-still .pn-fill{transition:none!important}
@media (prefers-reduced-motion: reduce){
  .sd-parte,.sd-n,.pn-fill,.an-bar i{transition:none!important}
  .ca-n.gasit,.ca-var .chip.bad,.pn-bara.rau,.an-serie,.an-scor{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}