/* aplicatie.css — stiluri proprii lecției „Probleme în doi pași cu grafice cu bare” (doar variabile de culoare).
   Prefixul pd- (probleme în doi pași) ține clasele departe de cele din edulogia.css. */

/* ---------- graficul cu bare (SVG din js/date.js → PG.svg) ---------- */
.pd{display:block;width:100%;height:auto;overflow:visible;font-family:var(--f-body);user-select:none;-webkit-user-select:none}
.pd text{fill:var(--ink);font-weight:800}
.pd .pd-t{font-size:17px;font-weight:900;fill:var(--leaf-deep)}
.pd .pd-n{font-size:13px}
.pd .pd-e{font-size:14px}
.pd .pd-ax{font-size:13px;fill:var(--muted)}
.pd .pd-lg{font-size:14px}
.pd .pd-ev{font-size:14px;font-weight:900;fill:var(--leaf-deep);transform-box:fill-box;transform-origin:center;animation:pdPop .35s ease-out both}
.pd.mare .pd-t{font-size:19px}
.pd.mare .pd-n{font-size:15px}
.pd.mare .pd-e{font-size:16px}
.pd-gr{stroke:var(--line);stroke-width:1.5}
.pd-gr.pd-0,.pd-axl{stroke:var(--ink);stroke-width:2.5}
.pd-bar{fill:var(--sky);stroke:var(--ink);stroke-width:1.2;transition:fill .3s}
.pd-bar.s1{fill:var(--sun);stroke:var(--sun-edge)}
.pd-bar.on{fill:var(--berry);stroke:var(--ink)}
/* barele cresc din axă; starea finală este bara întreagă, deci fără animații totul rămâne complet */
.pd-bar.pd-cresc{transform-box:fill-box;transform-origin:50% 100%;animation:pdCresc .7s cubic-bezier(.2,.8,.3,1.1) both}
@keyframes pdCresc{from{transform:scaleY(0)}to{transform:none}}
@keyframes pdPop{0%{transform:scale(.6)}70%{transform:scale(1.15)}100%{transform:none}}
@keyframes pdScut{0%,100%{transform:none}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
@keyframes pdDesen{from{stroke-dashoffset:1}to{stroke-dashoffset:0}}
@keyframes pdApare{from{opacity:0}to{opacity:1}}
@keyframes pdCade{from{opacity:0;transform:translateY(-40px)}to{opacity:1;transform:none}}

/* linia de citire trasă: pleacă din vârful barei și ajunge la axă, apoi apare eticheta pe axă */
.pd-cit-l{stroke:var(--berry);stroke-width:2.5;stroke-dasharray:1;stroke-dashoffset:0;animation:pdDesen .6s ease-out both}
.pd-cit-d{fill:var(--berry);animation:pdApare .3s .6s both}
.pd-cit-t rect{fill:var(--berry);stroke:var(--card);stroke-width:2}
.pd .pd-cit-t text{fill:var(--card);font-size:14px;font-weight:900}
.pd-cit-t{animation:pdApare .3s ease-out both}
/* linia de citire animată (copertă, stația 1): glisează între bare și se scurtează până la vârful barei */
.pd-rl,.pd-rl-l{transition:transform .8s cubic-bezier(.45,.05,.3,1)}
.pd-rl-l{stroke:var(--berry);stroke-width:2.5;stroke-dasharray:7 5}
.pd-rl-tag{fill:var(--berry);stroke:var(--card);stroke-width:2}
.pd .pd-rl-v{fill:var(--card);font-size:14px;font-weight:900}
/* acoladele care grupează barele */
.pd-acol{fill:none;stroke:var(--sky);stroke-width:2.5;stroke-linejoin:round}
.pd-acol.b{stroke:var(--berry)}
.pd .pd-acol-t{font-size:13px;font-weight:900;fill:var(--sky)}
.pd .pd-acol-t.b{fill:var(--berry)}
/* stația 5: modelul „bara-sumă” */
.pd-st{stroke:var(--ink);stroke-width:1.2}
.pd-st.a{fill:var(--sky);transform-box:fill-box;transform-origin:50% 100%;animation:pdCresc .6s ease-out both}
.pd-st.b{fill:var(--sun);animation:pdCade .6s .8s ease-out both}
.pd .pd-st-t{fill:var(--card);font-size:15px;font-weight:900}
.pd .pd-st-t.b{fill:var(--ink);animation:pdApare .3s 1.3s both}
.pd-st-l{stroke:var(--berry);stroke-width:2;stroke-dasharray:5 4;animation:pdApare .3s 1.5s both}
.pd-st-ac{fill:none;stroke:var(--berry);stroke-width:2.5;animation:pdApare .3s 1.7s both}
.pd .pd-st-d{fill:var(--berry);font-size:17px;font-weight:900;animation:pdApare .3s 1.9s both}

/* planșe */
.plate .pd-pl,.plate .pd-anim,.plate .pd-doi{background:var(--card);color:var(--ink);border-radius:12px;padding:12px}
.pd-anim .pd-cap{margin:6px 0 0;text-align:center;font-weight:800;font-size:calc(18px * var(--fs));color:var(--ink);min-height:1.4em}
.pd-anim .pd-cap b{color:var(--berry)}
.pd-stiva .pd{max-height:calc(300px * var(--fs))}
/* stația 2: trei axe una lângă alta, eticheta exact deasupra fiecăreia */
.pd-trei{display:flex;gap:6px;justify-content:center;align-items:flex-start}
.pd-trei figure{margin:0;flex:1 1 0;min-width:0;text-align:center}
.pd-trei figcaption{font-weight:900;font-size:calc(14px * var(--fs));color:var(--leaf-deep);margin-bottom:2px}
.pd-trei .pd{max-height:calc(260px * var(--fs))}
/* stația 4: un pas / doi pași */
.pd-doi{display:flex;flex-direction:column;gap:12px}
.pd-doi-r{display:flex;align-items:center;gap:12px;border-radius:12px;padding:12px 14px;background:var(--sky-tint)}
.pd-doi-r.d2{background:var(--sun-tint)}
.pd-doi-r>div{display:flex;flex-direction:column;gap:4px;min-width:0}
.pd-doi-r b{font-size:calc(20px * var(--fs))}
.pd-doi-r span{font-weight:700;font-size:calc(16px * var(--fs))}
.pd-doi-r code{font-family:var(--f-body);font-weight:900;font-size:calc(19px * var(--fs));color:var(--berry)}
.pd-doi-r code u{text-decoration:none;border-bottom:3px solid var(--berry)}
.pd-nr{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:calc(36px * var(--fs));height:calc(36px * var(--fs));border-radius:50%;background:var(--leaf);color:var(--on-leaf);font-weight:900}

/* verificarea: graficele din întrebări sunt destul de mari ca să poată fi citite */
.qcard .qgrid:has(.pd-pl){grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}
.qcard .qgrid:has(.pd-pl) h2{font-size:1.3em}
.qcard .qgrid .pd-pl{padding:6px}
html.flow .qcard .qgrid:has(.pd-pl){grid-template-columns:minmax(0,1fr)}
html.flow .qgrid:has(.pd-pl) .plate{max-width:none}

/* ---------- laboratoarele au loc mai mult: planșa se îngustează ---------- */
html:not(.flow) .view:has(.pd-lab) .lesson,html:not(.flow) .view:has(.an) .lesson{grid-template-columns:minmax(0,1.8fr) minmax(0,.2fr)}
html:not(.flow) .view:has(.pd-lab) .notes,html:not(.flow) .view:has(.an) .notes{gap:8px}
html:not(.flow) .view:has(.pd-lab) .work .emoji-plansa,html:not(.flow) .view:has(.an) .work .emoji-plansa{font-size:2.6em}
html:not(.flow) .view:has(.pd-lab) .work .cap,html:not(.flow) .view:has(.an) .work .cap{font-size:calc(12px * var(--fs))}

/* ---------- laboratoare: părți comune ---------- */
.pdl-top{display:flex;align-items:center;gap:6px 12px;flex-wrap:wrap;font-weight:800;color:var(--ink);font-size:calc(15px * var(--fs))}
.pdl-step{color:var(--muted);font-size:calc(13px * var(--fs));text-transform:uppercase;letter-spacing:.04em}
.pdl-tag{background:var(--sun-tint);color:var(--sun-ink);border-radius:999px;padding:2px 12px}
.pdl-msg{flex:1 1 10em;text-align:right;min-height:1.3em;margin:0}
.pdl-msg.bine{color:var(--leaf-deep)}
.pdl-main{display:flex;align-items:flex-start;gap:14px;margin-top:6px}
.pdl-graf{flex:1 1 auto;min-width:0;display:flex;justify-content:center;background:var(--card);border:2px solid var(--line);border-radius:12px;padding:4px 8px}
.pdl-graf .pd{width:auto;max-width:100%;height:calc(270px * var(--fs))}
.pd-rigla .pdl-graf .pd{cursor:ns-resize;touch-action:none}
.pdl-side{flex:0 0 18em;min-width:0;display:flex;flex-direction:column;gap:8px}
.pdl-lab{margin:0;font-weight:900;color:var(--muted);font-size:calc(14px * var(--fs))}
.pdl-lab b{color:var(--berry)}
.pdl-mut{display:flex;gap:10px}
.pdl-mut .btn{flex:1 1 0;min-height:calc(44px * var(--fs));font-size:calc(17px * var(--fs))}
/* rigla din laborator: linia lungă, eticheta pe axă, o zonă invizibilă mai lată de prins cu degetul */
.pd-rg{transition:transform .12s ease-out}
.pd-rg-l{stroke:var(--berry);stroke-width:3;stroke-dasharray:8 5}
.pd-rg-tag{fill:var(--berry);stroke:var(--card);stroke-width:2}
.pd .pd-rg-v{fill:var(--card);font-size:17px;font-weight:900}
.pd-rg-prinde{fill:transparent}
.pd-rigla.gata .pd-rg{display:none}
.pd-rg.atinge .pd-rg-l{stroke:var(--leaf-deep);stroke-dasharray:none}
.pd-rg.atinge .pd-rg-tag{fill:var(--leaf-deep)}
/* plăcuțele cu numere: mari, la fel, cu starea „ales” clară */
.pd-var{display:flex;gap:10px;flex-wrap:wrap}
.pd-lab .chip.pd-ch{min-width:calc(56px * var(--fs));padding:4px 10px;min-height:calc(46px * var(--fs));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}
.pd-lab .chip.pd-ch:hover{transform:translateY(-2px)}
.pd-lab .chip.pd-ch.ales{background:var(--berry);border-color:var(--berry);color:var(--card);box-shadow:0 5px 0 var(--ink);transform:translateY(-3px)}
.pd-lab .chip.pd-ch:disabled{cursor:default;transform:none;opacity:.55}
/* tabelul valorilor citite: căsuțe de aceeași înălțime, eticheta deasupra numărului */
.pd-tab{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}
.pd-tab span{display:flex;flex-direction:column;align-items:center;justify-content:center;border:2px solid var(--line);border-radius:10px;padding:2px 4px;background:var(--card)}
.pd-tab small{font-weight:800;color:var(--muted);font-size:calc(12px * var(--fs))}
.pd-tab b{font-size:calc(17px * var(--fs));color:var(--ink)}
.pd-tab span.acum{border-color:var(--berry);background:var(--berry-tint)}
/* rândul de jos: butoanele separate de opțiuni, la dreapta */
.pdl-act{display:flex;gap:10px 14px;justify-content:flex-end;align-items:center;flex-wrap:wrap;margin-top:4px;padding-top:8px;border-top:2px dashed var(--line)}
.pdl-act:empty{display:none}
.pdl-act .btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* laboratorul 2: problema și cei trei pași */
.pd-asc .pdl-side{flex:1 1 0}
.pd-asc .pdl-graf{flex:0 0 auto}
.pd-asc .pdl-graf .pd{height:calc(250px * var(--fs))}
.pd-prob{margin:0;font-weight:900;font-size:calc(17px * var(--fs));line-height:1.3;color:var(--ink);background:var(--sun-tint);border-radius:12px;padding:8px 12px}
.pd-pas{display:flex;align-items:flex-start;gap:10px;opacity:.5}
.pd-pas.acum,.pd-pas.gata{opacity:1}
.pd-pas .pd-nr{width:calc(30px * var(--fs));height:calc(30px * var(--fs));background:var(--line);color:var(--ink)}
.pd-pas.acum .pd-nr{background:var(--berry);color:var(--card)}
.pd-pas.gata .pd-nr{background:var(--leaf);color:var(--on-leaf)}
.pd-pas-c{flex:1 1 auto;min-width:0}
.pd-pas-t{margin:4px 0 4px;font-weight:900;color:var(--muted);font-size:calc(14px * var(--fs))}
.pd-pas.acum .pd-pas-t{color:var(--berry)}
.pd-rasp{margin:0;font-weight:800;font-size:calc(15px * var(--fs));color:var(--ink)}
.pd-rasp b{color:var(--leaf-deep);font-size:1.15em}
.pd-rasp small{display:block;color:var(--muted);font-weight:800}
.pd-opt{display:flex;flex-direction:column;gap:6px}
.pd-lab .chip.pd-h{justify-content:flex-start;text-align:left;white-space:normal;line-height:1.25;min-height:calc(40px * var(--fs));padding:5px 12px;font-size:calc(14px * var(--fs));font-weight:800}
.pd-nums{display:flex;gap:10px}
.pd-lab .chip.pd-n1,.pd-lab .chip.pd-n2{min-width:calc(60px * var(--fs));min-height:calc(44px * var(--fs));justify-content:center;font-size:calc(18px * var(--fs));font-weight:800}
.pd-lab .chip.bad{border-color:var(--berry);background:var(--berry-tint);animation:pdScut .45s;opacity:.6}

/* ---------- laboratorul 3: 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:pdPop .4s ease-out}
.an-main{display:flex;align-items:center;gap:16px;margin-top:8px}
.an-graf{flex:0 0 auto;display:flex;justify-content:center;background:var(--card);border:2px solid var(--line);border-radius:12px;padding:4px 8px}
.an-graf .pd{width:auto;height:calc(250px * var(--fs))}
.an-dr{flex:1 1 0;min-width:0}
.an-q{font-size:calc(19px * var(--fs));font-weight:800;margin:0 0 10px;color:var(--ink);line-height:1.35}
.an-var{display:flex;gap:10px;flex-wrap:wrap}
.an-var .chip{font-size:calc(18px * var(--fs));min-width:4.2em;min-height:calc(46px * var(--fs));justify-content:center}
.an-var .chip.bad{border-color:var(--berry);background:var(--berry-tint);animation:pdScut .45s}
.an-msg{min-height:1.5em;margin:10px 0 0;font-weight:800;font-size:calc(15px * var(--fs))}
.an-msg.bine{color:var(--leaf-deep)} .an-msg.rau{color:var(--berry)}
.an-final{text-align:center}
.an-final .an-q{text-align:center}
.an-scor{font-family:var(--f-display);font-size:calc(54px * var(--fs));color:var(--leaf-deep);animation:pdPop .5s}

/* telefon: laboratoarele se așază pe verticală */
html.flow .pdl-main,html.flow .an-main{flex-direction:column;align-items:stretch}
html.flow .pdl-graf .pd,html.flow .an-graf .pd{width:100%;height:auto}
html.flow .pdl-side{flex:1 1 auto}

/* exercițiile cu bifat (stația 8): starea „ales” clară, „Verifică” separat de opțiuni */
.task .ex-zona:has(> .chips + .grp) > .chips .chip{min-height:calc(46px * var(--fs));padding:4px 16px;font-size:calc(17px * var(--fs))}
.task .ex-zona:has(> .chips + .grp) > .chips .chip.ales:not(.good):not(.bad){background:var(--berry);border-color:var(--berry);color:var(--card);transform:translateY(-3px)}
.task .ex-zona > .chips + .grp{display:flex;justify-content:flex-end;margin-top:12px;padding-top:10px;border-top:2px dashed var(--line)}

/* mișcare redusă (sistem): totul apare direct în starea finală, linia de citire nu mai glisează */
@media (prefers-reduced-motion: reduce){
  .pd-bar,.pd-rl,.pd-rl-l,.pd-cit-l,.pd-cit-d,.pd-cit-t,.pd-ev,.pd-st,.pd-st-t,.pd-st-l,.pd-st-ac,.pd-st-d,.pd-rg,.an-serie,.an-scor,.an-var .chip,.pd-lab .chip{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}