/* Scolacek – společné styly
   Barvy předmětů se nastavují přes --c (hlavní) a --c-dark (stín tlačítek). */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --ink:#1a1040;--ink-soft:#6b6390;--cream:#fffdf5;--paper:#ffffff;--line:#ece8f6;
  --gold:#f5c842;--gold-dark:#c9a020;--good:#26c46f;--good-dark:#1a9a54;--bad:#ff6b6b;--bad-dark:#c94848;
  --en:#3d8bfd;--en-dark:#1f63c9;   /* Angličtina */
  --ma:#fd9644;--ma-dark:#c96f2a;   /* Matematika */
  --cj:#9b8cff;--cj-dark:#6c5ce7;   /* Český jazyk */
  --r:22px;
  --display:'Grandstander','Baloo 2',system-ui,sans-serif;
  --body:'Baloo 2',system-ui,-apple-system,'Segoe UI',sans-serif;
  color-scheme:light;
}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--body);background:var(--cream);color:var(--ink);min-height:100vh;overflow-x:hidden;font-size:16px;line-height:1.45}
button{font-family:inherit;color:inherit}
button:focus-visible,a:focus-visible{outline:4px solid var(--gold);outline-offset:3px}
a{color:inherit}

/* ── Hlavička ── */
.header{background:var(--ink);padding:12px 16px;position:relative;overflow:hidden}
.header::before{content:'';position:absolute;inset:0;background:repeating-linear-gradient(-45deg,transparent 0 8px,rgba(255,255,255,.03) 8px 16px)}
.header-inner{position:relative;max-width:900px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:10px}
.logo{font-family:var(--display);font-weight:900;font-size:clamp(1.3rem,4.5vw,1.8rem);color:var(--gold);text-decoration:none;letter-spacing:-.5px;white-space:nowrap}
.stars-pill{display:flex;align-items:center;gap:6px;background:rgba(255,255,255,.12);color:#fff;border-radius:50px;padding:4px 14px;font-family:var(--display);font-weight:900;font-size:1.05rem}
.stars-pill.bump{animation:bump .5s}
@keyframes bump{40%{transform:scale(1.25)}}

/* ── Záložky předmětů ── */
.nav-wrap{background:var(--paper);box-shadow:0 2px 0 rgba(26,16,64,.06);position:sticky;top:env(safe-area-inset-top,0px);z-index:20}
.nav{display:flex;max-width:900px;margin:0 auto;overflow-x:auto;scrollbar-width:none;padding:0 8px}
.nav::-webkit-scrollbar{display:none}
.tab{flex-shrink:0;display:flex;align-items:center;gap:6px;padding:12px 14px 10px;border:none;background:none;cursor:pointer;
  font-weight:800;font-size:.95rem;color:#9a95b0;border-bottom:4px solid transparent;white-space:nowrap;text-decoration:none}
.tab .ti{font-size:1.25rem}
.tab:hover{color:var(--ink)}
.tab.active{color:var(--ink);border-color:var(--c,var(--gold))}

/* ── Obsah ── */
main{max-width:900px;margin:0 auto;padding:18px 16px 70px}
.view{animation:slideUp .28s ease}
@keyframes slideUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

.hero{border-radius:var(--r);padding:24px 20px;margin-bottom:16px;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--c,var(--ink)),var(--c-dark,#2d1f7a))}
.hero h1{font-family:var(--display);font-weight:900;font-size:clamp(1.6rem,6vw,2.3rem);line-height:1.1;text-wrap:balance}
.hero p{opacity:.88;font-size:1rem;margin-top:4px;max-width:52ch}
.hero .hero-ico{position:absolute;right:10px;bottom:-14px;font-size:5.5rem;opacity:.18;pointer-events:none}
.hero.home{background:linear-gradient(135deg,var(--ink),#2d1f7a)}
.hero.home h1 span{color:var(--gold)}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.tile{display:flex;align-items:center;gap:14px;text-align:left;border:none;cursor:pointer;border-radius:var(--r);padding:16px;
  background:var(--c);color:#fff;box-shadow:0 6px 0 var(--c-dark);transition:transform .18s cubic-bezier(.34,1.56,.64,1);text-decoration:none}
.tile:hover{transform:translateY(-4px)}
.tile:active{transform:translateY(3px);box-shadow:0 3px 0 var(--c-dark)}
.tile .t-ico{font-size:2.6rem;line-height:1;flex-shrink:0;width:56px;text-align:center}
.tile .t-name{font-family:var(--display);font-weight:900;font-size:1.25rem;line-height:1.1;display:block}
.tile .t-desc{font-size:.85rem;opacity:.9;font-weight:600;display:block;margin-top:3px}
.tile.big{padding:22px 18px}
.tile.big .t-ico{font-size:3.2rem;width:66px}
.tile.big .t-name{font-size:1.5rem}

.section-label{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;font-weight:800;color:var(--ink-soft);margin:22px 0 8px}
.note{background:var(--paper);border-radius:16px;padding:14px 16px;font-size:.92rem;color:var(--ink-soft);max-width:70ch;box-shadow:0 2px 0 var(--line)}
.note b{color:var(--ink)}

/* ── Aktivita ── */
.act-head{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.back{display:inline-flex;align-items:center;gap:4px;text-decoration:none;font-weight:800;font-size:.9rem;color:var(--c-dark);
  background:var(--paper);border:3px solid var(--line);border-radius:50px;padding:5px 14px 5px 10px}
.act-title{font-family:var(--display);font-weight:900;font-size:clamp(1.3rem,5vw,1.7rem);flex:1;min-width:0;color:var(--ink)}
.help-btn{border:none;cursor:pointer;width:52px;height:52px;border-radius:50%;background:var(--c);box-shadow:0 4px 0 var(--c-dark);font-size:1.5rem;flex-shrink:0}
.help-btn:active{transform:translateY(3px);box-shadow:0 1px 0 var(--c-dark)}
.card{background:var(--paper);border-radius:var(--r);padding:18px;box-shadow:0 4px 14px rgba(26,16,64,.08)}

/* přepínače (lekce, režimy) */
.switch{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-bottom:14px}
.switch .lbl{font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;font-weight:800;color:var(--ink-soft);margin-right:2px}
.chip{border:3px solid var(--line);background:var(--paper);border-radius:50px;padding:5px 14px;min-width:42px;height:42px;cursor:pointer;
  font-weight:800;font-size:.95rem;color:var(--ink-soft)}
.chip.num{font-family:var(--display);font-size:1.1rem;padding:0 10px}
.chip[aria-pressed="true"]{background:var(--c);border-color:var(--c);color:#fff}

/* postup */
.dots{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin:6px 0 14px}
.dots i{width:12px;height:12px;border-radius:50%;background:#e4e0ef;transition:all .3s}
.dots i.on{background:var(--good);transform:scale(1.2)}
.dots i.miss{background:#ffc1c1}

.q{font-family:var(--display);font-weight:900;font-size:clamp(1.25rem,4.5vw,1.6rem);text-align:center;margin-bottom:12px;color:var(--c-dark)}
.feedback{text-align:center;font-family:var(--display);font-weight:900;font-size:1.3rem;min-height:2rem;margin-top:10px}
.feedback.ok{color:var(--good)}
.feedback.no{color:var(--bad)}

/* velká volba (čísla, písmena) */
.choices{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.choice{font-family:var(--display);font-weight:900;font-size:2rem;min-width:70px;height:70px;padding:0 12px;border-radius:18px;border:3px solid var(--line);
  background:var(--paper);cursor:pointer;box-shadow:0 5px 0 #e2ddef;transition:transform .15s}
.choice:hover{transform:translateY(-3px);border-color:var(--c)}
.ok-state{background:var(--good)!important;border-color:var(--good)!important;color:#fff!important;box-shadow:0 5px 0 var(--good-dark)!important;animation:wiggle .4s}
.no-state{background:var(--bad)!important;border-color:var(--bad)!important;color:#fff!important;box-shadow:0 5px 0 var(--bad-dark)!important;animation:shake .4s}
@keyframes wiggle{25%{transform:rotate(-8deg)}75%{transform:rotate(8deg)}}
@keyframes shake{25%{transform:translateX(-9px)}75%{transform:translateX(9px)}}
@keyframes pop{40%{transform:scale(1.08) rotate(-2deg)}100%{transform:none}}

/* kulatá tlačítka */
.round{border:none;cursor:pointer;width:88px;height:88px;border-radius:50%;display:inline-grid;place-items:center;font-size:2.4rem;
  background:var(--c);box-shadow:0 6px 0 var(--c-dark);transition:transform .1s;color:#fff}
.round:active{transform:translateY(4px);box-shadow:0 2px 0 var(--c-dark)}
.round.green{background:var(--good);box-shadow:0 6px 0 var(--good-dark)}
.round.sm{width:70px;height:70px;font-size:1.9rem}
.round svg{width:56%;height:56%}
.row-center{display:flex;justify-content:center;align-items:center;gap:24px;flex-wrap:wrap}

.btn{border:none;cursor:pointer;border-radius:50px;padding:10px 20px;font-weight:800;font-size:.95rem;display:inline-flex;align-items:center;gap:6px;
  background:var(--c);color:#fff;box-shadow:0 4px 0 var(--c-dark)}
.btn.ghost{background:var(--paper);color:var(--ink);border:3px solid var(--line);box-shadow:0 4px 0 #e2ddef}
.btn:active{transform:translateY(3px);box-shadow:0 1px 0 var(--c-dark)}

/* obrázkové kartičky */
.pics{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px}
.pic{border:3px solid var(--line);background:var(--cream);border-radius:20px;padding:8px 6px 6px;cursor:pointer;display:flex;flex-direction:column;align-items:center;transition:transform .15s,border-color .15s}
.pic svg{width:100%;max-width:120px;aspect-ratio:1}
.pic .en{font-family:var(--display);font-weight:900;font-size:1.2rem;line-height:1.1}
.pic .cz{font-size:.78rem;color:var(--ink-soft)}
.pic.talk{border-color:var(--c);animation:pop .45s}
.opts{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;max-width:460px;margin:0 auto}
.opt{border:4px solid var(--line);background:var(--cream);border-radius:22px;padding:6px;cursor:pointer;transition:transform .15s,opacity .2s}
.opt svg{width:100%;aspect-ratio:1;display:block}
.opt.right{border-color:var(--good);background:#e4f8ec;animation:pop .45s}
.opt.wrong{border-color:var(--bad);animation:shake .4s;opacity:.45}
.bigpic{max-width:260px;margin:0 auto;border:4px solid var(--line);border-radius:26px;background:var(--cream);padding:8px}
.bigpic svg{width:100%;aspect-ratio:1;display:block}
.bigpic.right{border-color:var(--good);background:#e4f8ec;animation:pop .45s}
.emoji-big{font-size:clamp(4rem,18vw,6rem);line-height:1.1;text-align:center;display:block}

/* pexeso */
.mem{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;max-width:520px;margin:0 auto}
@media (max-width:480px){.mem{grid-template-columns:repeat(3,1fr)}}
.mc{border:none;padding:0;background:none;cursor:pointer;aspect-ratio:1;perspective:600px}
.mc .in{position:relative;width:100%;height:100%;transition:transform .4s;transform-style:preserve-3d}
.mc.up .in,.mc.done .in{transform:rotateY(180deg)}
.mc .face{position:absolute;inset:0;border-radius:16px;backface-visibility:hidden;-webkit-backface-visibility:hidden;display:grid;place-items:center}
.mc .back{background:var(--c);background-image:radial-gradient(circle,rgba(255,255,255,.3) 3px,transparent 4px);background-size:18px 18px;box-shadow:0 4px 0 var(--c-dark);
  font-family:var(--display);font-weight:900;color:#fff;font-size:2rem}
.mc .front{background:var(--cream);border:3px solid var(--line);transform:rotateY(180deg);font-family:var(--display);font-weight:900;font-size:clamp(1.8rem,7vw,2.6rem)}
.mc .front svg{width:88%;height:88%}
.mc .front .em{font-size:clamp(2rem,8vw,2.8rem)}
.mc.done .front{border-color:var(--good);background:#e4f8ec}

/* konec kola */
.win{text-align:center;padding:16px 0 6px}
.win .star{font-size:6.5rem;line-height:1;display:block;animation:spin 1s ease-out}
@keyframes spin{from{transform:scale(.2) rotate(-180deg)}to{transform:none}}
.win .score{font-family:var(--display);font-weight:900;font-size:2rem;margin:4px 0 12px}

/* konfety */
#confetti{position:fixed;inset:0;pointer-events:none;z-index:9999;overflow:hidden}
.cp{position:absolute;top:-20px;animation:fall linear forwards;border-radius:2px}
@keyframes fall{to{opacity:0;transform:translateY(110vh) rotate(540deg)}}

/* patička + cookies */
footer{max-width:900px;margin:0 auto;padding:0 16px 40px;font-size:.82rem;color:var(--ink-soft);display:flex;gap:14px;flex-wrap:wrap}
footer button{background:none;border:none;text-decoration:underline;cursor:pointer;font-size:inherit;color:inherit}
#cookie-banner{position:fixed;left:0;right:0;bottom:0;z-index:99999;background:var(--ink);color:#fff;padding:14px 16px calc(14px + env(safe-area-inset-bottom,0px));box-shadow:0 -4px 20px rgba(0,0,0,.3)}
#cookie-banner .in{max-width:900px;margin:0 auto;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
#cookie-banner .txt{flex:1;min-width:220px;font-size:.85rem;line-height:1.4;opacity:.9}
#cookie-banner .txt b{display:block;font-size:.95rem;opacity:1}
#cookie-banner .txt button{background:none;border:none;color:var(--gold);cursor:pointer;font-size:inherit;padding:0}
.cb{padding:9px 18px;border-radius:50px;font-weight:800;cursor:pointer;font-size:.9rem}
.cb.no{background:transparent;border:2px solid rgba(255,255,255,.3);color:#fff}
.cb.yes{background:var(--gold);border:none;color:var(--ink)}
#cookie-modal{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:99998;display:flex;align-items:center;justify-content:center;padding:20px}
#cookie-modal .box{background:#fff;border-radius:20px;padding:24px;max-width:440px;width:100%}
#cookie-modal h3{font-family:var(--display);margin-bottom:10px}
#cookie-modal p{font-size:.9rem;margin-bottom:10px}
#cookie-modal .acts{display:flex;gap:8px;justify-content:flex-end;margin-top:14px}
#cookie-modal .cb.no{color:var(--ink);border-color:var(--line)}

.warn{background:#ffe8e8;border-radius:14px;padding:10px 14px;font-size:.9rem;margin-bottom:12px}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* Na telefonu se záložky vejdou vedle sebe: ikona nad textem */
@media (max-width:520px){
  .nav{padding:0}
  .tab{flex:1 1 0;flex-direction:column;gap:0;padding:8px 2px 6px;font-size:.78rem;min-width:0}
  .tab .ti{font-size:1.35rem}
}