/* aplicatie.css — stiluri proprii lecției „Subiect singular sau plural” (doar variabile de culoare).
   Clasele proprii au prefixul nb- (planșe), dn- (detectivul numărului), sn- (schimbă numărul), an- (antrenament). */

/* ---------- planșe desenate ---------- */
.plate .nb-cov,.plate .nb-st,.plate .nb-tab,.plate .nb-pn,.plate .nb-pr,.plate .nb-tace,.plate .nb-sch{
  background:var(--card);color:var(--ink);border-radius:12px;padding:14px 16px;font-weight:800;width:100%;box-sizing:border-box}
.nb-prop{margin:0 0 6px;text-align:center;font-size:calc(24px * var(--fs));line-height:1.25}
.nb-subj{color:var(--sky);border-bottom:4px solid var(--sky)}
.nb-prop u{text-decoration:none;border-bottom:4px double var(--berry);color:var(--berry)}
.nb-note{margin:6px 0 0;text-align:center;color:var(--muted);font-size:calc(17px * var(--fs))}
.nb-note b{color:var(--ink)}
.nb-note u{text-decoration:none;color:var(--berry)}

/* balanța numărului: grinda se înclină, talerul cu subiectul coboară */
.nb-bal{--t:0deg;--d:0px;position:relative;height:calc(176px * var(--fs));max-width:360px;margin:0 auto;font-weight:800}
.nb-bal[data-n="s"]{--t:-8deg;--d:15px}
.nb-bal[data-n="p"]{--t:8deg;--d:15px}
.nb-post{position:absolute;left:50%;top:26px;bottom:12px;width:8px;transform:translateX(-50%);background:var(--muted);border-radius:4px}
.nb-post::before{content:"";position:absolute;left:50%;top:-8px;width:18px;height:18px;transform:translateX(-50%);border-radius:50%;background:var(--sun);border:3px solid var(--sun-edge);box-sizing:border-box}
.nb-base{position:absolute;left:36%;right:36%;bottom:0;height:14px;border-radius:8px 8px 4px 4px;background:var(--muted)}
.nb-beam{position:absolute;left:20%;right:20%;top:24px;height:8px;border-radius:4px;background:var(--ink);transform:rotate(var(--t));transition:transform .6s cubic-bezier(.3,1.4,.5,1)}
.nb-pan{position:absolute;top:28px;width:40%;display:flex;flex-direction:column;align-items:center;transition:transform .6s cubic-bezier(.3,1.4,.5,1)}
.nb-ps{left:0;transform:translateY(var(--d))}
.nb-pp{right:0;transform:translateY(calc(-1 * var(--d)))}
.nb-bal[data-n="p"] .nb-ps{transform:translateY(calc(-1 * var(--d)))}
.nb-bal[data-n="p"] .nb-pp{transform:translateY(var(--d))}
.nb-str{width:3px;height:16px;background:var(--muted)}
.nb-slot{height:calc(40px * var(--fs));display:flex;align-items:flex-end;justify-content:center;width:100%}
.nb-card{display:inline-flex;align-items:center;justify-content:center;max-width:100%;box-sizing:border-box;padding:2px 10px;border-radius:10px;background:var(--sky);color:var(--card);font-size:calc(17px * var(--fs));line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nb-card:empty{visibility:hidden}
.nb-card.cade{animation:nb-cade .5s ease-out}
@keyframes nb-cade{0%{transform:translateY(-28px);opacity:0}70%{transform:translateY(3px);opacity:1}100%{transform:none}}
.nb-dish{width:100%;height:12px;border-radius:0 0 50% 50%/0 0 100% 100%;background:var(--sun);border-top:3px solid var(--sun-edge);box-sizing:border-box}
.nb-lbl{margin-top:4px;text-align:center;font-size:calc(15px * var(--fs));line-height:1.1;color:var(--ink)}
.nb-lbl small{display:block;font-size:calc(12px * var(--fs));color:var(--muted)}
.nb-ps .nb-lbl{color:var(--leaf-deep)}
.nb-pp .nb-lbl{color:var(--berry)}

/* stația 2: tabelul articolelor; stația 5: predicatele cu două forme */
.nb-tab,.nb-pr{display:grid;grid-template-columns:1fr 1fr;gap:8px;text-align:center}
.nb-tab>span,.nb-pr>span{border-radius:10px;padding:6px 8px;font-size:calc(24px * var(--fs));line-height:1.2}
.nb-tab .h,.nb-pr .h{font-size:calc(15px * var(--fs));color:var(--muted);padding:2px}
.nb-tab .s,.nb-pr .s{background:var(--leaf-tint)}
.nb-tab .p,.nb-pr .p{background:var(--berry-tint)}
.nb-tab b{color:var(--berry)}

/* stația 3: pronume și numerale */
.nb-pn-r{display:grid;grid-template-columns:6.2em 1fr;gap:6px 10px;align-items:center;border-radius:12px;padding:8px 12px;margin-bottom:8px;font-size:calc(19px * var(--fs))}
.nb-pn-r.s{background:var(--leaf-tint)}
.nb-pn-r.p{background:var(--berry-tint)}
.nb-pn-r span:nth-child(3){grid-column:2}
.nb-pn-t{grid-row:span 2;font-size:calc(15px * var(--fs));color:var(--muted)}
.nb-pn-ex{display:flex;justify-content:center;align-items:center;gap:10px;margin:10px 0 0;font-size:calc(22px * var(--fs))}
.nb-pn-ex span:not(.nb-vs){background:var(--sun-tint);border-radius:10px;padding:2px 12px}
.nb-pn-ex b{color:var(--berry)}
.nb-vs{color:var(--muted)}

/* stațiile 6 și 8: cuvintele colorate după rol */
.nb-tace p,.nb-sch p{margin:8px 0;text-align:center;font-size:calc(26px * var(--fs))}
.nb-w{border-radius:10px;padding:0 8px}
.nb-w.s{background:var(--leaf-tint)}
.nb-w.p{background:var(--berry-tint)}
.nb-w b{color:var(--berry)}
.nb-w.v{background:var(--sky-tint);border-bottom:4px double var(--sky)}
.nb-w.a{background:var(--sun-tint)}
.nb-tace-n{font-size:calc(16px * var(--fs))!important;color:var(--muted)}
.nb-sch-arr{font-size:calc(16px * var(--fs))!important;color:var(--muted);margin:2px 0!important}

/* ---------- laborator: detectivul numărului ---------- */
.dn-top,.sn-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))}
.dn-text{display:flex;flex-wrap:wrap;justify-content:center;align-items:flex-start;gap:6px 8px;margin:10px 0 4px}
/* fiecare cuvânt cu eticheta lui exact dedesubt; spațiul etichetei e rezervat, deci nimic nu sare */
.dn-tok{display:inline-flex;flex-direction:column;align-items:center;gap:3px}
.dn-w{min-height:calc(42px * var(--fs));display:inline-flex;align-items:center;box-sizing:border-box;border:3px dashed var(--line);background:var(--card);color:var(--ink);border-radius:12px;padding:2px 12px;font:inherit;font-weight:800;font-size:calc(21px * var(--fs));cursor:pointer}
.dn-w:hover{border-color:var(--sky)}
.dn-w.ales{border-style:solid;border-color:var(--sky);background:var(--sky-tint);box-shadow:0 4px 0 var(--sky);transform:translateY(-2px)}
.dn-w.bun{border-style:solid;border-color:var(--leaf);background:var(--leaf-tint);box-shadow:none;transform:none}
.dn-w.scutura{animation:shake .45s}
.dn-w:disabled{cursor:default}
.dn-tag{min-height:1.3em;font-size:calc(12px * var(--fs));font-weight:800;color:var(--leaf-deep);line-height:1.3;white-space:nowrap;opacity:0}
.dn-tag.on{opacity:1;animation:pop .35s ease-out both}
.dn-jos{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}
.dn-bal{flex:0 1 300px;min-width:220px}
.dn-bal .nb-bal{height:calc(138px * var(--fs))}
.dn .dn-alege{display:flex;flex-direction:column;flex-wrap:nowrap;gap:12px}
.dn .dn-alege .chip.dn-n{min-width:9em;min-height:calc(50px * var(--fs));border:3px solid var(--stripe);border-radius:14px;background:var(--card);color:var(--ink);box-shadow:0 5px 0 var(--stripe);font:inherit;font-weight:800;font-size:calc(18px * var(--fs));cursor:pointer}
.dn .dn-alege .chip.dn-n:hover{transform:translateY(-2px)}
.dn .dn-alege .chip.dn-n[data-n="s"].ales{background:var(--leaf);border-color:var(--leaf);color:var(--on-leaf);box-shadow:0 5px 0 var(--ink);transform:translateY(-3px)}
.dn .dn-alege .chip.dn-n[data-n="p"].ales{background:var(--berry);border-color:var(--berry);color:var(--card);box-shadow:0 5px 0 var(--ink);transform:translateY(-3px)}
.dn .dn-alege .chip.dn-n:disabled{cursor:default;transform:none}
.dn-act,.sn-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)}
.dn-act .verif,.dn-act .dn-urm,.dn-act .dn-iar,.sn-act .verif,.sn-act .sn-iar{margin-left:auto}
.dn-act .verif:disabled,.sn-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.dn-ok,.sn-made{color:var(--leaf-deep);font-weight:800}
.sn-made:empty{display:none}

/* ---------- laborator: schimbă numărul ---------- */
.sn-dir{color:var(--ink)}
.sn-dir b{color:var(--berry)}
.sn-src{margin:6px 0 2px;text-align:center;font-weight:800;font-size:calc(19px * var(--fs));color:var(--muted)}
.sn-nou{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;margin:0 0 6px;font-weight:800;font-size:calc(24px * var(--fs));color:var(--ink)}
.sn-slot{min-width:2.4em;min-height:calc(40px * var(--fs));display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box;padding:0 8px;border:3px dashed var(--berry);border-radius:10px;color:var(--muted)}
.sn-slot.plin{border-style:solid;background:var(--berry-tint);color:var(--ink);animation:pop .3s ease-out}
.sn-slot.bun{border-color:var(--leaf);background:var(--leaf-tint);color:var(--leaf-deep)}
.sn-slot.rau{animation:shake .45s}
.sn-rows{display:flex;flex-direction:column;gap:4px}
.sn-row{display:grid;grid-template-columns:7.5em 1fr;align-items:center;gap:10px}
.sn-rol{font-weight:800;color:var(--muted);font-size:calc(15px * var(--fs));text-align:right}
.sn-opt{display:flex;flex-wrap:wrap;gap:8px}
.sn .sn-opt .chip.sn-t{min-width:calc(88px * var(--fs));min-height:calc(42px * var(--fs));padding:2px 14px;border:3px solid var(--stripe);border-radius:14px;background:var(--card);color:var(--ink);box-shadow:0 4px 0 var(--stripe);font:inherit;font-weight:800;font-size:calc(18px * var(--fs));cursor:pointer}
.sn .sn-opt .chip.sn-t:hover{transform:translateY(-2px)}
.sn .sn-opt .chip.sn-t.ales{background:var(--sky);border-color:var(--sky);color:var(--card);box-shadow:0 4px 0 var(--ink);transform:translateY(-3px)}
.sn .sn-opt .chip.sn-t:disabled{opacity:.6;cursor:default;transform:none}
html.flow .sn-row{grid-template-columns:minmax(0,1fr)}
html.flow .sn-rol{text-align:left}

/* ---------- 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:pop .4s ease-out}
.an-q{font-size:calc(24px * var(--fs));font-weight:800;margin:14px 0 4px;color:var(--ink);text-align:center}
.an-cer{margin:0 0 12px;text-align:center;font-weight:800;color:var(--muted);font-size:calc(16px * var(--fs))}
.an-q .gol{display:inline-block;min-width:3.2em;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(18px * var(--fs));min-width:6em;min-height:calc(46px * var(--fs))}
.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:pop .5s}

/* mișcare redusă (sistem): animațiile decorative se opresc; coperta e oprită din js/aplicatie.js */
@media (prefers-reduced-motion: reduce){
  .nb-beam,.nb-pan{transition:none!important}
  .nb-card,.dn-tag,.sn-slot,.an-q .gol,.an-scor,.an-serie{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}