/* aplicatie.css — stiluri proprii lecției „Lectură: știință și natură” (doar variabile de culoare).
   Clasele proprii au prefixul „sn-” (știință și natură), ca să nu se lovească de cele din edulogia.css. */

/* ---------- texte în planșe ---------- */
.plate .sn-txt,.plate .sn-duo,.plate .sn-schema,.plate .sn-luna,.plate .sn-cuv,.plate .sn-ce,.plate .sn-cov{background:var(--card);color:var(--ink);border-radius:12px}
.sn-txt{padding:12px 16px 8px}
.sn-txt h4,.sn-duo h4,.sn-cuv h4{margin:0 0 6px;font-family:var(--f-display);font-size:calc(19px * var(--fs));line-height:1.15;color:var(--leaf-deep)}
.sn-txt p{margin:0 0 6px;font-weight:600;font-size:calc(15px * var(--fs));line-height:1.42;color:var(--ink)}
.sn-t{color:var(--sky);font-weight:900}
.sn-txt-mic{padding-bottom:4px;margin-bottom:8px}
.sn-txt-mic p{font-size:calc(14.5px * var(--fs))}
.sn-conect{display:flex;flex-direction:column;gap:2px;background:var(--sun-tint);border-radius:10px;padding:6px 10px;margin:8px 0 4px!important;font-size:calc(14px * var(--fs))!important}
.sn-conect b{color:var(--sun-ink)}
.sn-conect u{text-decoration-color:var(--berry);text-decoration-thickness:2px}

/* două texte, unul lângă altul */
.sn-duo{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:10px}
.sn-duo-c{border-radius:10px;padding:8px 12px;background:var(--sky-tint)}
.sn-duo-c+.sn-duo-c{background:var(--leaf-tint)}
.sn-duo p{margin:0;font-weight:600;font-size:calc(14px * var(--fs));line-height:1.4;color:var(--ink)}

/* ---------- desene SVG: culori doar din variabile ---------- */
.sn-svg{display:block;width:100%;height:auto;overflow:visible}
.sn-svg text{font-family:var(--f-body);font-weight:800}
.f-sky{fill:var(--sky-tint)}
.f-sun{fill:var(--sun)}
.s-sun{stroke:var(--sun);stroke-width:4;stroke-linecap:round}
.f-hill{fill:var(--leaf)}
.f-ground{fill:var(--leaf-deep);opacity:.45}
.f-sea{fill:var(--sky)}
.s-wave{fill:none;stroke:var(--card);stroke-width:2;opacity:.7}
.f-cloud,.f-cloud-in{fill:var(--card)}
.f-cloud{stroke:var(--muted);stroke-width:2}
.s-arr{fill:none;stroke:var(--ink);stroke-width:3;stroke-linecap:round}
.s-dash{stroke-dasharray:6 5}
.f-arr{fill:var(--ink)}
.f-vap{fill:var(--card);stroke:var(--sky);stroke-width:1.5}
.s-rain{stroke:var(--sky);stroke-width:3;stroke-linecap:round}
.f-drop{fill:var(--sky)}
.sn-lb{font-size:13px;fill:var(--ink);paint-order:stroke;stroke:var(--card);stroke-width:4px;stroke-linejoin:round}
.sn-st .s-arr,.sn-st .sn-lb{transition:stroke .3s,fill .3s,stroke-width .3s}
.sn-st.on .s-arr{stroke:var(--berry);stroke-width:5}
.sn-st.on .sn-lb{fill:var(--berry);font-size:15px}
.sn-schema{padding:10px}
.sn-cap{margin:8px 2px 0;min-height:2.7em;font-weight:700;font-size:calc(15px * var(--fs));line-height:1.35;color:var(--ink)}
.sn-cap b{color:var(--berry)}
.sn-schema.static .sn-cap b{color:var(--leaf-deep)}

/* metamorfoza */
.s-ring-bg{fill:none;stroke:var(--leaf-tint);stroke-width:14}
.s-ring{fill:none;stroke:var(--leaf);stroke-width:4}
.f-nod{fill:var(--card);stroke:var(--leaf);stroke-width:3;transition:fill .3s,stroke .3s}
.sn-nod.on .f-nod{fill:var(--sun-tint);stroke:var(--sun);stroke-width:5}
.sn-nod.on .sn-lb{fill:var(--berry);font-size:15px}
.sn-ico{font-size:28px}
.f-pupa{fill:var(--leaf);stroke:var(--leaf-deep);stroke-width:2}
.s-pupa{stroke:var(--leaf-deep);stroke-width:2}
.sn-mid{font-size:16px;fill:var(--leaf-deep)}
.sn-mid2{font-size:13px;fill:var(--muted)}

/* fazele Lunii */
.sn-luna{padding:8px 12px 10px}
.f-moon-dark{fill:var(--line);stroke:var(--muted);stroke-width:1.5}
.f-moon{fill:var(--sun)}
.sn-faz circle{transition:stroke .3s}
.sn-faz.on circle{stroke:var(--berry);stroke-width:4}
.sn-lb-faz{font-size:12.5px}
.sn-lb-faz.on{fill:var(--berry)}
.s-arr2{fill:none;stroke:var(--muted);stroke-width:2}
.sn-mini{font-size:12px;fill:var(--muted)}
.sn-luna-jos{display:flex;align-items:center;gap:14px;margin-top:6px}
.sn-luna-mare{width:calc(78px * var(--fs));flex:0 0 auto}
.sn-luna-cap{margin:0;display:flex;flex-direction:column;gap:2px;min-height:3.2em;justify-content:center;font-weight:700;font-size:calc(15px * var(--fs));line-height:1.3;color:var(--ink)}
.sn-luna-n{font-family:var(--f-display);font-size:1.2em;color:var(--berry)}
.sn-luna.static .sn-luna-n{color:var(--leaf-deep)}

/* vulcanul și frunza */
.f-earth{fill:var(--sun-tint);stroke:var(--line);stroke-width:2}
.f-rock{fill:var(--muted);opacity:.6}
.f-magma{fill:var(--berry)}
.f-lava{fill:var(--sun);stroke:var(--berry);stroke-width:2}
.f-bubble{fill:var(--sun)}
.f-ash{fill:var(--line);stroke:var(--muted);stroke-width:1.5}
.f-leafy{fill:var(--leaf);stroke:var(--leaf-deep);stroke-width:3}
.s-vein{fill:none;stroke:var(--leaf-tint);stroke-width:2}
.s-stem{stroke:var(--leaf-deep);stroke-width:7;stroke-linecap:round}
.s-root{fill:none;stroke:var(--leaf-deep);stroke-width:3;stroke-linecap:round}
.s-light{stroke:var(--sun);stroke-width:5;stroke-dasharray:10 6}
.s-water{stroke:var(--sky);stroke-width:5}
.s-co2{stroke:var(--muted);stroke-width:5}
.s-o2{stroke:var(--sky);stroke-width:5}
.s-lead{stroke:var(--ink);stroke-width:1.5;stroke-dasharray:4 3}
.f-lead{fill:var(--card);stroke:var(--ink);stroke-width:2}

/* animații (oprite în modul „fără animații” de edulogia.css și la mișcare redusă) */
.f-vap{animation:sn-urca 2.6s linear infinite}
.f-vap.v2{animation-delay:.9s}
.f-vap.v3{animation-delay:1.7s}
.f-drop{animation:sn-cade 1.3s linear infinite}
.f-drop.d2{animation-delay:.6s}
.f-bubble{animation:sn-bula 2.4s linear infinite}
.f-bubble.b2{animation-delay:.8s}
.f-bubble.b3{animation-delay:1.6s}
@keyframes sn-urca{0%{transform:translateY(20px);opacity:0}30%{opacity:1}100%{transform:translateY(-38px);opacity:0}}
@keyframes sn-cade{0%{transform:translateY(-8px);opacity:0}30%{opacity:1}100%{transform:translateY(20px);opacity:0}}
@keyframes sn-bula{0%{transform:translateY(20px);opacity:0}25%{opacity:1}100%{transform:translateY(-30px);opacity:0}}
@keyframes sn-shake{0%,100%{transform:none}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
@keyframes sn-pop{0%{transform:scale(.6)}70%{transform:scale(1.15)}100%{transform:none}}
@keyframes sn-puls{0%,100%{opacity:.45}50%{opacity:1}}

/* copertă */
.sn-cov{padding:10px}
.sn-cov-tags{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:8px}
.sn-cov-tags span{background:var(--sky-tint);color:var(--ink);border-radius:999px;padding:3px 12px;font-weight:800;font-size:calc(14px * var(--fs))}

/* stația 3: cum explică textul un cuvânt */
.sn-cuv{padding:12px 14px}
.sn-cuv-r{display:grid;grid-template-columns:calc(150px * var(--fs)) minmax(0,1fr);gap:10px;align-items:center;margin:0 0 8px;font-weight:700;font-size:calc(15.5px * var(--fs));line-height:1.35;color:var(--ink)}
.sn-tip{background:var(--sun-tint);color:var(--sun-ink);border-radius:10px;padding:6px 8px;text-align:center;font-weight:900;font-size:.88em}
.sn-cuv u{text-decoration-color:var(--berry);text-decoration-thickness:3px}

/* stația 8: cauza duce la efect */
.sn-ce{padding:14px}
.sn-ce-rand{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:12px}
.sn-ce-box{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:calc(150px * var(--fs));min-height:calc(74px * var(--fs));border-radius:14px;border:3px solid;font-family:var(--f-display);font-weight:800;font-size:calc(21px * var(--fs))}
.sn-ce-box small{font-family:var(--f-body);font-size:.62em;color:var(--muted)}
.sn-ce-box.c{border-color:var(--sun);background:var(--sun-tint);color:var(--sun-ink)}
.sn-ce-box.e{border-color:var(--leaf);background:var(--leaf-tint);color:var(--leaf-deep)}
.sn-ce-sag{font-size:calc(30px * var(--fs));color:var(--muted)}
.sn-ce-ex{margin:0 0 8px;text-align:center;font-weight:700;font-size:calc(15px * var(--fs));color:var(--ink)}
.sn-ce-ex b{background:var(--sky-tint);border-radius:8px;padding:2px 8px}
.sn-ce-leg{margin:10px 0 0;text-align:center;font-weight:800;font-size:calc(14.5px * var(--fs));color:var(--muted)}
.sn-ce-leg i{font-style:normal;color:var(--berry)}

/* ---------- laboratoare: plăcuțe, căsuțe și butoane ---------- */
.sn-tiles{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:10px;min-height:calc(44px * var(--fs))}
.sn-tiles .chip.sn-tile{display:inline-flex;align-items:center;justify-content:center;min-height:calc(44px * var(--fs));padding:4px 14px;font:inherit;font-weight:800;font-size:calc(15px * 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}
.sn-tiles .chip.sn-tile:hover{transform:translateY(-2px)}
.sn-tiles .chip.sn-tile.ales{background:var(--berry);border-color:var(--berry);color:var(--card);box-shadow:0 5px 0 var(--ink);transform:translateY(-3px)}
.sn-tiles .chip.sn-tile:disabled{opacity:.5;transform:none;cursor:default}
.sn-slot{position:absolute;translate:-50% -50%;display:flex;align-items:center;gap:6px;max-width:38%;min-height:calc(38px * var(--fs));padding:3px 10px 3px 4px;border:3px dashed var(--sky);border-radius:12px;background:var(--card);color:var(--muted);font:inherit;font-weight:800;font-size:calc(13.5px * var(--fs));line-height:1.15;text-align:left;cursor:pointer;box-shadow:0 3px 0 var(--line);z-index:1}
.sn-slot .sn-nr{flex:0 0 auto;display:grid;place-items:center;width:calc(24px * var(--fs));height:calc(24px * var(--fs));border-radius:50%;background:var(--sky);color:var(--card);font-size:.85em}
.sn-slot.plin{border-style:solid;background:var(--sky-tint);color:var(--ink)}
.sn-slot.bun{border-style:solid;border-color:var(--leaf);background:var(--leaf-tint);color:var(--leaf-deep);cursor:default}
.sn-slot.bun .sn-nr{background:var(--leaf)}
.sn-slot.rau{border-color:var(--berry);background:var(--berry-tint);animation:sn-shake .45s}
.sn-slot:disabled{opacity:1}
.sn-slot:not(.plin) .sn-v{min-width:calc(56px * var(--fs));text-align:center}
.sn-sc.gata .sn-tiles,.sn-cc.gata .sn-tiles{display:none}
.sn-act{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-top:10px;padding-top:8px;border-top:2px dashed var(--line)}
.sn-act .verif{margin-left:auto}
.sn-act .verif:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.sn-nrp{font-weight:800;color:var(--muted);font-size:calc(14px * var(--fs))}

/* laborator: textul și schema */
.sn-sc-fig{position:relative;border-radius:12px}
.sn-sc-fig .sn-svg{border-radius:12px}

/* laborator: ciclul în ordine (cerc) */
.sn-cc-ring{position:relative;height:calc(186px * var(--fs))}
.sn-cc-svg{position:absolute;left:12%;right:12%;top:18px;bottom:18px;width:76%;height:calc(100% - 36px)}
.sn-cc-sag{position:absolute;font-size:calc(22px * var(--fs));line-height:1;color:var(--leaf);font-weight:900}
.sn-cc-sag.s0{left:73%;top:11%;rotate:32deg}
.sn-cc-sag.s1{left:73%;top:76%;rotate:148deg}
.sn-cc-sag.s2{left:23%;top:76%;rotate:-148deg}
.sn-cc-sag.s3{left:23%;top:11%;rotate:-32deg}
.sn-cc-mid{position:absolute;left:50%;top:50%;translate:-50% -50%;width:24%;display:flex;flex-direction:column;align-items:center;text-align:center;line-height:1.1;color:var(--ink)}
.sn-cc-mid span{font-size:calc(26px * var(--fs))}
.sn-cc-mid b{font-size:calc(14px * var(--fs))}
.sn-cc-mid small{font-weight:800;color:var(--muted);font-size:calc(12px * var(--fs))}
.sn-cc-slot{max-width:36%}
.sn-cc-slot.sus{left:50%;top:0;translate:-50% 0}
.sn-cc-slot.jos{left:50%;bottom:0;top:auto;translate:-50% 0}
.sn-cc-slot.dreapta{right:0;left:auto;top:50%;translate:0 -50%}
.sn-cc-slot.stanga{left:0;top:50%;translate:0 -50%}
.sn-cc-slot.fix{border-style:solid;border-color:var(--sun);background:var(--sun-tint);color:var(--sun-ink);cursor:default}
.sn-cc-slot.fix .sn-nr{background:var(--sun-edge)}
.sn-cc.gata .sn-cc-sag{animation:sn-puls 1.6s ease-in-out infinite}
.sn-cc.gata .sn-cc-sag.s1{animation-delay:.4s}
.sn-cc.gata .sn-cc-sag.s2{animation-delay:.8s}
.sn-cc.gata .sn-cc-sag.s3{animation-delay:1.2s}

/* laborator: cauză și efect (detectivul de text) */
.sn-det-tit{margin:0;font-family:var(--f-display);font-weight:800;font-size:calc(18px * var(--fs));color:var(--ink)}
.det-pas{margin:4px 0 8px;font-weight:800;font-size:calc(16px * var(--fs));color:var(--ink)}
.det-text{display:flex;flex-direction:column;gap:8px}
.det-seg{text-align:left;border:3px solid var(--line);background:var(--card);color:var(--ink);border-radius:14px;padding:9px 14px;font:inherit;font-weight:700;font-size:calc(15.5px * var(--fs));line-height:1.3;cursor:pointer}
.det-seg:hover{border-color:var(--sky)}
.det-seg:disabled{cursor:default}
.det-seg.cauza{border-color:var(--sun);background:var(--sun-tint)}
.det-seg.cauza::before{content:"Cauza → ";font-weight:900;color:var(--sun-ink)}
.det-seg.efect{border-color:var(--leaf);background:var(--leaf-tint)}
.det-seg.efect::before{content:"Efectul → ";font-weight:900;color:var(--leaf-deep)}
.sn-leg{color:var(--berry)}

/* 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:sn-pop .4s ease-out}
.an-tip{margin:8px 0 0;font-weight:900;font-size:calc(13px * var(--fs));letter-spacing:.04em;text-transform:uppercase;color:var(--sky)}
.an-prop{margin:6px 0 0;padding:6px 12px;border-radius:10px;background:var(--sun-tint);color:var(--ink);font-weight:800;font-size:calc(16px * var(--fs))}
.an-q{margin:8px 0 10px;font-family:var(--f-display);font-weight:800;font-size:calc(20px * var(--fs));line-height:1.2;color:var(--ink)}
.an-var{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.an-var .chip{justify-content:center;text-align:center;width:100%;min-height:calc(46px * var(--fs));font-size:calc(15px * var(--fs));line-height:1.2}
.an-msg{min-height:1.4em;margin:8px 0 0;font-weight:800;font-size:calc(14.5px * var(--fs))}
.an-msg.bine{color:var(--leaf-deep)}
.an-msg.rau{color:var(--berry)}
.an-final{text-align:center}
.an-final .an-q{font-size:calc(24px * var(--fs))}
.an-final .grp{justify-content:center}
.an-scor{font-family:var(--f-display);font-size:calc(54px * var(--fs));color:var(--leaf-deep);animation:sn-pop .5s}

/* stația 9: trei coșuri (doar A · amândoi · doar B) pe același rând */
.sort:has(> .bin:nth-child(3)){grid-template-columns:repeat(3,minmax(0,1fr))}
.sort:has(> .bin:nth-child(3)) .bin{min-height:64px}
.sort:has(> .bin:nth-child(3)) .bin h4{font-size:.92em}

/* ---------- telefon ---------- */
html.flow .sn-duo{grid-template-columns:minmax(0,1fr)}
html.flow .sn-cuv-r{grid-template-columns:minmax(0,1fr);gap:4px}
html.flow .sn-tip{justify-self:start}
html.flow .an-var{grid-template-columns:minmax(0,1fr)}
html.flow .sn-slot{font-size:12px;padding:2px 6px 2px 3px;min-height:32px}
html.flow .sn-slot .sn-nr{width:20px;height:20px}
html.flow .sn-cc-ring{height:220px}

/* mișcare redusă (sistem): animațiile se opresc; schemele cu text sunt oprite din js/aplicatie.js pe starea completă */
@media (prefers-reduced-motion: reduce){
  .f-vap,.f-drop,.f-bubble,.sn-cc-sag,.sn-slot,.an-serie,.an-scor{animation:none!important}
  .sn-st .s-arr,.sn-st .sn-lb,.f-nod,.sn-faz circle{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}