/* Kuželko – testnavodicak.sk  (mobile-first, no external assets) */
:root{
  --orange:#FF6A00;--orange-dark:#E85D00;--orange-soft:#FFF1E6;
  --ink:#111827;--muted:#5B6372;--bg:#FAFAF7;--surface:#FFFFFF;--line:#E6E4DE;
  --green:#15803D;--green-soft:#DCFCE7;--red:#DC2626;--red-soft:#FEE2E2;
  --radius:18px;--radius-s:12px;--shadow:0 8px 30px rgba(17,24,39,.08);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root{--ink:#F3F4F6;--muted:#A3A9B5;--bg:#0F1115;--surface:#181B22;--line:#2B303B;
    --orange-soft:#2A1A0E;--green-soft:#102A1A;--red-soft:#33161A;--shadow:0 8px 30px rgba(0,0,0,.4)}
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:1.0625rem;line-height:1.55;color:var(--ink);background:var(--bg)}
img,svg{display:block;max-width:100%}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,5.5vw,3rem);font-weight:800}
h2{font-size:clamp(1.45rem,4vw,2.1rem);font-weight:800}
h3{font-size:1.15rem;font-weight:700}
p{margin:0 0 1em}
a{color:var(--orange-dark);text-underline-offset:.15em}
a:hover{color:var(--orange)}
button{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:12px;top:-60px;background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:10px;z-index:100;font-weight:700}
.skip-link:focus{top:12px}
.container{width:min(100% - 40px,1040px);margin-inline:auto}
.narrow{width:min(100% - 40px,760px);margin-inline:auto}
section{padding:56px 0}
@media (min-width:760px){section{padding:84px 0}}
.lead{font-size:1.15rem;color:var(--muted);max-width:60ch}
.muted{color:var(--muted)}
.center{text-align:center}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;min-height:48px;padding:.7em 1.4em;border-radius:999px;border:2px solid transparent;font-weight:700;font-size:1.0625rem;text-decoration:none;cursor:pointer;transition:transform .12s,background .15s,color .15s,border-color .15s;background:none}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-dark);color:#fff}
.btn-secondary{border-color:var(--ink);color:var(--ink)}
.btn-secondary:hover{background:var(--ink);color:var(--bg)}
.btn-ghost{color:var(--ink);border-color:var(--line);background:var(--surface)}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink)}
.btn-lg{font-size:1.15rem;padding:.85em 1.8em}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem;color:var(--ink);text-decoration:none}
.brand img{width:32px;height:32px;border-radius:8px}
.nav{display:flex;align-items:center;gap:4px 18px}
.nav a{color:var(--ink);text-decoration:none;font-weight:600;padding:8px 0}
.nav a:hover{color:var(--orange)}
.nav .btn{min-height:42px;padding:.45em 1.1em}
@media (max-width:640px){.nav a:not(.btn){display:none}}

/* Hero */
.hero{padding:48px 0 56px;overflow:hidden}
.hero .container{display:grid;gap:32px;align-items:center}
@media (min-width:760px){.hero{padding:88px 0}.hero .container{grid-template-columns:1.3fr .7fr}}
.hero h1{margin-bottom:.4em}
.hero .lead{font-size:1.2rem;margin-bottom:1.4em}
.hero .mascot{width:min(240px,60%);margin-inline:auto}
.hero .mascot img{width:100%;height:auto;aspect-ratio:1;border-radius:22%;box-shadow:0 20px 50px rgba(255,106,0,.3)}
.trust{font-size:.95rem;color:var(--muted);margin-top:18px}
.last-result{margin-top:22px;padding:14px 18px;border-radius:var(--radius-s);background:var(--surface);border:1px solid var(--line);display:none;max-width:460px}
.last-result.is-visible{display:block}
.last-result strong{font-size:1.1rem}
.last-result .pass{color:var(--green)}.last-result .fail{color:var(--red)}
@media (prefers-reduced-motion:no-preference){.hero .mascot{animation:bob 4s ease-in-out infinite}}
@keyframes bob{50%{transform:translateY(-6px)}}

/* Stats + table */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:28px 0}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 10px;text-align:center}
.stat b{display:block;font-size:clamp(1.5rem,5vw,2.2rem);font-weight:800;color:var(--orange)}
.stat span{font-size:.9rem;color:var(--muted)}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
table{width:100%;border-collapse:collapse;font-size:1rem}
th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line)}
th{font-size:.85rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
tbody tr:last-child td{border-bottom:0}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
tfoot td{font-weight:800}

/* Cards */
.cards{display:grid;gap:16px;margin-top:28px}
@media (min-width:600px){.cards{grid-template-columns:repeat(2,1fr)}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card .icon{width:44px;height:44px;border-radius:12px;background:var(--orange-soft);display:grid;place-items:center;margin-bottom:14px;color:var(--orange)}
.card p{margin:0;color:var(--muted)}

/* App section */
.app{background:var(--ink);color:#FAFAF7}
@media (prefers-color-scheme:dark){.app{background:#1F2430}}
.app .container{display:grid;gap:32px;align-items:center}
@media (min-width:760px){.app .container{grid-template-columns:1fr auto}}
.app ul{margin:0 0 24px;padding:0;list-style:none;display:grid;gap:10px}
.app li{padding-left:30px;position:relative}
.app li::before{content:"";position:absolute;left:0;top:.45em;width:18px;height:18px;border-radius:50%;background:var(--orange) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10l3.5 3.5L15 7' fill='none' stroke='%23fff' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat}
.app .app-icon{width:160px;margin-inline:auto}
.app .app-icon img{width:160px;height:160px;border-radius:36px;box-shadow:0 16px 40px rgba(0,0,0,.35)}
.soon{display:inline-block;padding:10px 16px;border-radius:999px;background:rgba(255,106,0,.15);color:var(--orange);font-weight:700;margin:0}
.store{display:flex;flex-wrap:wrap;gap:12px}
.store a{display:inline-flex;align-items:center;gap:10px;min-height:52px;padding:8px 18px 8px 14px;border-radius:12px;background:#000;color:#fff;text-decoration:none;border:1px solid #333;line-height:1.1}
.store a:hover{border-color:#777;color:#fff}
.store svg{width:26px;height:26px;flex:none}
.store small{display:block;font-size:.68rem;opacity:.8}
.store b{font-size:1.05rem}

/* FAQ */
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-s);margin-bottom:10px}
.faq summary{cursor:pointer;padding:16px 48px 16px 20px;font-weight:700;list-style:none;position:relative;min-height:48px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:20px;top:50%;width:10px;height:10px;border-right:2.5px solid var(--orange);border-bottom:2.5px solid var(--orange);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.faq details p{padding:0 20px 18px;margin:0;color:var(--muted)}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:36px 0;font-size:.95rem;color:var(--muted)}
.site-footer .container{display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center;justify-content:space-between}
.site-footer ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 20px}
.site-footer a{color:var(--muted);text-decoration:none}
.site-footer a:hover{color:var(--orange)}
.social{display:flex;gap:8px}
.social a{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;border:1px solid var(--line)}
.social svg{width:18px;height:18px}

/* ===== Test runner ===== */
.intro{padding:40px 0 32px}
.hidden{display:none!important}
.note{background:var(--orange-soft);border:1px solid color-mix(in srgb,var(--orange) 35%,transparent);color:var(--ink);border-radius:var(--radius-s);padding:10px 14px;font-size:.95rem;margin:0 0 16px}
.runner{padding:20px 0 48px}
.runner-top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.counter{font-weight:800;font-size:1.05rem}
.counter small{display:block;font-weight:500;color:var(--muted);font-size:.85rem}
.timer{font-variant-numeric:tabular-nums;font-weight:800;font-size:1.35rem;padding:6px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--line);min-width:96px;text-align:center}
.timer.is-low{color:var(--red);border-color:var(--red)}
.progress{height:8px;border-radius:999px;background:var(--line);overflow:hidden;margin-bottom:22px}
.progress > div{height:100%;background:var(--orange);width:0;transition:width .25s}
.question{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.question h2{font-size:clamp(1.15rem,3.4vw,1.5rem);font-weight:700;margin:0 0 16px}
.q-img{display:flex;justify-content:center;background:#fff;border-radius:var(--radius-s);padding:10px;margin-bottom:18px;border:1px solid var(--line)}
.q-img img{width:auto;height:auto;max-width:100%;max-height:320px}
.answers{display:grid;gap:10px;margin:0;padding:0;list-style:none}
.answer{display:flex;align-items:flex-start;gap:14px;width:100%;text-align:left;min-height:56px;padding:14px 16px;border-radius:14px;border:2px solid var(--line);background:var(--bg);cursor:pointer;transition:border-color .15s,background .15s;line-height:1.4}
.answer:hover{border-color:var(--orange)}
.answer[aria-pressed="true"]{border-color:var(--orange);background:var(--orange-soft)}
.answer .letter{flex:none;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--surface);border:2px solid var(--line);font-weight:800;font-size:.9rem}
.answer[aria-pressed="true"] .letter{background:var(--orange);border-color:var(--orange);color:#fff}
.runner-nav{display:flex;gap:10px;justify-content:space-between;align-items:center;margin-top:18px;flex-wrap:wrap}
.runner-nav .btn{flex:1 1 140px}
.overview{margin-top:26px}
.overview h3{font-size:1rem;color:var(--muted);margin-bottom:10px}
.grid{display:grid;grid-template-columns:repeat(8,1fr);gap:6px;padding:0;margin:0;list-style:none}
@media (min-width:600px){.grid{grid-template-columns:repeat(10,1fr)}}
.grid button{width:100%;aspect-ratio:1;min-height:40px;border-radius:10px;border:2px solid var(--line);background:var(--surface);font-weight:700;font-size:.9rem;cursor:pointer;padding:0}
.grid button.is-answered{background:var(--orange-soft);border-color:var(--orange)}
.grid button.is-current{border-color:var(--ink);box-shadow:inset 0 0 0 2px var(--ink)}
.legend{display:flex;gap:16px;font-size:.85rem;color:var(--muted);margin-top:10px}
.legend i{display:inline-block;width:14px;height:14px;border-radius:4px;border:2px solid var(--line);vertical-align:-2px;margin-right:5px;background:var(--surface)}
.legend i.a{background:var(--orange-soft);border-color:var(--orange)}
.finish-row{margin-top:26px;text-align:center}
dialog{border:0;border-radius:var(--radius);padding:26px;max-width:min(92vw,420px);background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}
dialog::backdrop{background:rgba(0,0,0,.5)}
dialog h2{font-size:1.3rem}
dialog .btn-row{justify-content:flex-end;margin-top:18px}

/* Result */
.result{padding:28px 0 56px}
.score-card{text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px 22px;box-shadow:var(--shadow)}
.score-card .badge{display:inline-block;padding:6px 16px;border-radius:999px;font-weight:800;margin-bottom:14px}
.badge.pass{background:var(--green-soft);color:var(--green)}
.badge.fail{background:var(--red-soft);color:var(--red)}
.score{font-size:clamp(3rem,12vw,4.5rem);font-weight:900;line-height:1;letter-spacing:-.03em}
.score small{font-size:.35em;font-weight:700;color:var(--muted)}
.score-meta{display:flex;justify-content:center;gap:20px 28px;flex-wrap:wrap;margin-top:16px;color:var(--muted)}
.score-meta b{color:var(--ink)}
.result h2{margin-top:44px}
.breakdown td .bar{height:6px;border-radius:999px;background:var(--line);overflow:hidden;min-width:60px}
.breakdown td .bar div{height:100%;background:var(--green)}
.breakdown td .bar div.bad{background:var(--red)}
.cta-box{margin-top:36px;padding:28px 22px;border-radius:var(--radius);background:var(--orange-soft);border:1px solid color-mix(in srgb,var(--orange) 35%,transparent);display:grid;gap:18px;align-items:center}
@media (min-width:700px){.cta-box{grid-template-columns:auto 1fr;padding:28px}}
.cta-box .mascot{width:96px;height:96px;border-radius:22%}
.cta-box h2{margin:0 0 .3em;font-size:1.4rem}
.cta-box p{margin:0 0 14px;color:var(--muted)}
.review{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.review li{background:var(--surface);border:1px solid var(--line);border-left:5px solid var(--red);border-radius:var(--radius-s);padding:18px}
.review li.ok{border-left-color:var(--green)}
.review .meta{font-size:.85rem;color:var(--muted);margin-bottom:6px}
.review h3{font-size:1.05rem;margin-bottom:12px}
.review ul{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.review ul li{border:1px solid var(--line);border-left-width:1px;padding:8px 12px;border-radius:8px;background:var(--bg);display:flex;gap:10px;align-items:flex-start;font-size:.97rem}
.review ul li.correct{border-color:var(--green);background:var(--green-soft)}
.review ul li.wrong{border-color:var(--red);background:var(--red-soft)}
.review ul li .tag{flex:none;font-size:.75rem;font-weight:800;padding:2px 8px;border-radius:999px;background:var(--surface);margin-top:2px}
.review .explain{margin:12px 0 0;font-size:.95rem;color:var(--muted)}
.review .q-img{margin:0 0 12px}
.review .q-img img{max-height:220px}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}
@media print{.site-header,.site-footer,.runner-nav,.overview,.finish-row,.cta-box,.store{display:none}}