/* =====================================================================
   Rátadlo – vizuálny štýl
   Motív: počítadlo. Indigový rám s prechodom a bodkovým vzorom, farebné guľôčky podľa skupiny,
   výsledok na „displeji“ so šafranovým číslom. Písma sú uložené lokálne.
   ===================================================================== */

@font-face{font-family:"Gabarito";font-weight:700;font-style:normal;font-display:swap;src:url(fonts/gabarito-latin-ext-700-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Gabarito";font-weight:700;font-style:normal;font-display:swap;src:url(fonts/gabarito-latin-700-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Gabarito";font-weight:800;font-style:normal;font-display:swap;src:url(fonts/gabarito-latin-ext-800-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Gabarito";font-weight:800;font-style:normal;font-display:swap;src:url(fonts/gabarito-latin-800-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Onest";font-weight:400;font-style:normal;font-display:swap;src:url(fonts/onest-latin-ext-400-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Onest";font-weight:400;font-style:normal;font-display:swap;src:url(fonts/onest-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Onest";font-weight:500;font-style:normal;font-display:swap;src:url(fonts/onest-latin-ext-500-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Onest";font-weight:500;font-style:normal;font-display:swap;src:url(fonts/onest-latin-500-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Onest";font-weight:600;font-style:normal;font-display:swap;src:url(fonts/onest-latin-ext-600-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Onest";font-weight:600;font-style:normal;font-display:swap;src:url(fonts/onest-latin-600-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  /* plocha a text */
  --bg:#F2F4FA; --surface:#FFFFFF; --ink:#161D38; --muted:#596381; --line:#DCE1EE;
  /* rám počítadla: úvodný pruh a výsledkový displej (prechod z indigovej do fialovomodrej) */
  --hero:#1A2360; --hero-2:#28348A; --hero-3:#3F2F9C; --hero-ink:#FFFFFF; --hero-muted:#BCC4EE; --hero-line:rgba(255,255,255,.16);
  --glow:rgba(122,145,255,.38); --glow-2:rgba(255,178,30,.14); --dots:rgba(255,255,255,.085);
  /* ovládanie */
  --accent:#3150E6; --accent-ink:#FFFFFF; --accent-soft:#E5E9FD;
  /* guľôčky = skupiny kalkulačiek */
  --bead:#FFB21E; --g-zam:#3150E6; --g-pod:#FFB21E; --g-rod:#F2634F; --g-kaz:#1FA67E;
  /* grafy */
  --bar1:#3150E6; --bar2:#A9B5EE; --bar3:#F2634F;
  /* písma */
  --display:"Gabarito","Segoe UI",system-ui,-apple-system,Roboto,sans-serif;
  --body:"Onest","Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Mono",Menlo,Consolas,monospace;
  --radius:14px; --gutter:max(16px, env(safe-area-inset-left, 0px));
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#0D1124; --surface:#151A35; --ink:#E8EBF7; --muted:#9BA3C4; --line:#283058;
  --hero:#12184A; --hero-2:#1D2766; --hero-3:#2E2479; --hero-ink:#FFFFFF; --hero-muted:#AEB7E6; --hero-line:rgba(255,255,255,.14);
  --glow:rgba(110,130,255,.28); --glow-2:rgba(255,194,71,.10); --dots:rgba(255,255,255,.07);
  --accent:#8096FF; --accent-ink:#0D1124; --accent-soft:#232B5C;
  --bead:#FFC247; --g-zam:#8096FF; --g-pod:#FFC247; --g-rod:#FF7E6B; --g-kaz:#3CC99B;
  --bar1:#8096FF; --bar2:#46519A; --bar3:#FF7E6B;
  color-scheme:dark }}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16.5px/1.6 var(--body);font-feature-settings:"tnum" 0}
a{color:var(--accent);text-underline-offset:3px}
img,svg{max-width:100%}
[hidden]{display:none!important}
button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--bead);outline-offset:2px;border-radius:6px}
.in{max-width:1080px;margin:0 auto;padding-inline:var(--gutter)}

/* ---------- hlavička ---------- */
.site{color:var(--hero-ink);
  background:radial-gradient(circle at 11px 11px,var(--dots) 1.3px,transparent 1.8px) 0 0/22px 22px,var(--hero);
  border-bottom:1px solid var(--hero-line)}
.site-in{display:flex;align-items:center;justify-content:space-between;gap:12px 24px;padding-block:14px;flex-wrap:wrap}
.logo{display:inline-flex;align-items:center;gap:10px;font:800 26px/1 var(--display);letter-spacing:-.01em;color:inherit;text-decoration:none}
.logo .mark{width:34px;height:34px;flex:none}
.site .logo .mark{color:var(--hero-ink)}
.menu{display:flex;gap:4px;font-size:15px;overflow-x:auto;scrollbar-width:none;max-width:100%}
.menu::-webkit-scrollbar{display:none}
.menu a{color:var(--hero-muted);text-decoration:none;padding:7px 12px;border-radius:999px;white-space:nowrap}
.menu a:hover{color:var(--hero-ink);background:var(--hero-line)}
.menu a[aria-current="page"]{color:var(--hero-ink);background:var(--hero-2)}
.menu .all{color:var(--hero);background:var(--bead);font-weight:600}
.menu .all:hover{color:var(--hero);background:var(--bead);filter:brightness(1.05)}
@media (max-width:640px){.site-in{padding-block:12px}.menu{flex-basis:100%;margin-inline:calc(-1 * var(--gutter));padding-inline:var(--gutter)}}

/* ---------- úvodný pruh s počítadlom ---------- */
.hero{color:var(--hero-ink);position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 88% 8%,var(--glow),transparent 62%),
    radial-gradient(700px 360px at 6% 112%,var(--glow-2),transparent 60%),
    radial-gradient(circle at 11px 11px,var(--dots) 1.3px,transparent 1.8px) 0 0/22px 22px,
    linear-gradient(180deg,var(--hero) 0%,var(--hero-2) 55%,var(--hero-3) 100%)}
/* jemné „tyče“ počítadla cez pozadie pruhu */
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(180deg,transparent 0 43px,rgba(255,255,255,.045) 43px 45px);
  -webkit-mask:linear-gradient(90deg,transparent 0%,#000 55%,#000 100%);mask:linear-gradient(90deg,transparent 0%,#000 55%,#000 100%)}
.hero > .in{position:relative}
.hero-in{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:center;padding-block:40px 56px}
.hero.calc-hero .hero-in{padding-block:30px 96px}
.hero-text{display:flex;flex-direction:column;gap:12px;min-width:0}
.crumbs{font-size:14px;color:var(--hero-muted)}
.crumbs a{color:var(--hero-muted)}
h1{font:800 clamp(32px,5.6vw,54px)/1.05 var(--display);letter-spacing:-.02em;margin:0;text-wrap:balance}
.lead{margin:0;color:var(--hero-muted);max-width:58ch;font-size:clamp(16.5px,2vw,19px);line-height:1.5}
.quick{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.quick a{color:var(--hero-ink);text-decoration:none;border:1px solid var(--hero-line);background:var(--hero-2);padding:9px 14px;border-radius:999px;font-weight:500;font-size:15px}
.quick a:hover{border-color:var(--bead)}
.abacus{width:100%;height:auto;display:block}
.abacus .frame{fill:none;stroke:var(--hero-muted);stroke-opacity:.55;stroke-width:5}
.abacus .rod{stroke:var(--hero-muted);stroke-opacity:.35;stroke-width:3}
.abacus .b{transform-box:fill-box;transform-origin:center}
@media (prefers-reduced-motion: no-preference){
  .abacus .b{animation:bead .9s cubic-bezier(.2,.9,.25,1.15) both;animation-delay:calc(var(--i) * 70ms)}
  @keyframes bead{from{transform:translateX(var(--from))}to{transform:none}}
}
@media (max-width:760px){
  .hero-in{grid-template-columns:1fr;padding-block:26px 40px}
  .hero.calc-hero .hero-in{padding-block:22px 76px}
  .hero .abacus{display:none}
}

/* ---------- obsah ---------- */
main{display:block}
.content{display:flex;flex-direction:column;gap:40px;padding-block:0 56px}
.hero.calc-hero + .content{margin-top:-64px;position:relative}
.hero:not(.calc-hero) + .content{padding-top:36px}
h2{font:700 clamp(22px,3vw,28px)/1.2 var(--display);margin:0;text-wrap:balance;letter-spacing:-.01em}
h3{font:600 17px/1.3 var(--body);margin:0}

/* ---------- kalkulačka ---------- */
.panel{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);background:var(--surface);border-radius:var(--radius);box-shadow:0 18px 40px -24px rgba(20,28,80,.45),0 0 0 1px var(--line);overflow:hidden}
@media (max-width:820px){.panel{grid-template-columns:1fr}}
.calc{display:flex;flex-direction:column;gap:16px;min-width:0;padding:24px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
label,.lbl{font-weight:600;font-size:14.5px}
.hint{font-size:13.5px;color:var(--muted);line-height:1.45}
input,select{font:500 17px var(--body);color:var(--ink);background:var(--bg);border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;width:100%;min-height:48px;font-variant-numeric:tabular-nums}
input:hover,select:hover{border-color:var(--bar2)}
input:focus,select:focus{border-color:var(--accent);background:var(--surface);outline:none;box-shadow:0 0 0 3px var(--accent-soft)}
.unit{position:relative}.unit input{padding-right:70px}
.unit span{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:14px;pointer-events:none}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:420px){.row{grid-template-columns:1fr}}
.seg{display:flex;background:var(--bg);border:1.5px solid var(--line);border-radius:10px;padding:3px;gap:3px}
.seg button{flex:1;font:600 14.5px var(--body);padding:10px 8px;border:0;border-radius:8px;background:none;color:var(--muted);cursor:pointer;min-height:42px}
.seg button[aria-pressed="true"]{background:var(--surface);color:var(--ink);box-shadow:0 1px 3px rgba(20,28,80,.18),0 0 0 1px var(--line)}

/* výsledok = displej počítadla */
.result{--bar1:#8FA2FF;--bar2:rgba(255,255,255,.28);--bar3:var(--bead);
  background:
    radial-gradient(520px 260px at 100% 0%,var(--glow),transparent 65%),
    radial-gradient(circle at 11px 11px,var(--dots) 1.3px,transparent 1.8px) 0 0/22px 22px,
    linear-gradient(160deg,var(--hero-3),var(--hero-2) 45%,var(--hero));
  color:var(--hero-ink);display:flex;flex-direction:column;gap:18px;min-width:0;padding:26px}
.big{display:flex;flex-direction:column;gap:2px}
.big .k{font-size:15px;color:var(--hero-muted);font-weight:500}
.big .v{font:800 clamp(40px,8vw,60px)/1.02 var(--display);color:var(--bead);font-variant-numeric:tabular-nums;letter-spacing:-.02em;overflow-wrap:anywhere}
.big .s{font-size:14.5px;color:var(--hero-muted);margin-top:4px}
.bar{display:flex;height:12px;border-radius:999px;overflow:hidden;background:var(--hero-line)}
.bar i{display:block;height:100%;transition:width .35s ease}
.legend{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13.5px;color:var(--hero-muted);margin-top:10px}
.legend b{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px;vertical-align:0}
.result table{width:100%;border-collapse:collapse;font-size:15px}
.result td{padding:8px 0;border-bottom:1px solid var(--hero-line);vertical-align:top}
.result td:first-child{color:var(--hero-muted)}
.result td:last-child{text-align:right;font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap;padding-left:12px}
.result tr.sum td{border-bottom:0;color:var(--hero-ink);font-weight:700;font-size:16px}
.result tr.sum td:last-child{color:var(--bead)}
.result .note{color:var(--hero-muted)}
.note{font-size:13.5px;color:var(--muted);margin:0;line-height:1.45}
@media (max-width:420px){.result td:last-child{white-space:normal}}

/* zdieľanie výsledku */
.share{display:flex;flex-direction:column;gap:6px;border-top:1px solid var(--hero-line);padding-top:14px}
.sharebtn{align-self:flex-start;font:600 14.5px var(--body);color:var(--hero);background:var(--bead);border:0;border-radius:999px;padding:10px 16px;cursor:pointer;min-height:42px}
.sharebtn:hover{filter:brightness(1.06)}
.share-msg{font-size:13.5px;color:var(--hero-muted)}
.share-url{font:400 13px var(--mono)}

/* percentá: viac malých kalkulačiek */
.panel-wide{display:flex;flex-direction:column;gap:14px}
.minis{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
.mini{background:var(--surface);border-radius:var(--radius);box-shadow:0 18px 40px -26px rgba(20,28,80,.45),0 0 0 1px var(--line);padding:20px;display:flex;flex-direction:column;gap:12px;min-width:0}
.mini h2{font-size:20px}
.mini .ans{font:800 34px/1.1 var(--display);color:var(--accent);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.panel-wide > .share{background:linear-gradient(120deg,var(--hero),var(--hero-3));border-radius:var(--radius);padding:16px 20px;border:0}

/* ---------- článok a bočný panel ---------- */
.article{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:start}
@media (max-width:900px){.article{grid-template-columns:1fr}}
.prose{max-width:68ch;display:flex;flex-direction:column;gap:14px;min-width:0}
.prose p,.prose ul,.prose ol{margin:0}
.prose ul,.prose ol{padding-left:1.2em}
.prose li+li{margin-top:6px}
.prose li::marker{color:var(--accent)}
.prose h2{margin-top:14px}
details{border-bottom:1px solid var(--line);padding-block:14px}
summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font:700 22px/1 var(--display);color:var(--accent);flex:none}
details[open] summary::after{content:"–"}
details p{margin:8px 0 0;color:var(--ink)}
.updated{font-size:14px;color:var(--muted)}

aside.side{display:flex;flex-direction:column;gap:18px;position:sticky;top:16px}
@media (max-width:900px){aside.side{position:static}}
.box{background:var(--surface);border-radius:var(--radius);box-shadow:0 0 0 1px var(--line);padding:18px 20px;display:flex;flex-direction:column;gap:10px}
.box h3{font:700 18px/1.25 var(--display)}
.facts{margin:0;display:flex;flex-direction:column}
.facts div{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:2px 12px;padding-block:9px;border-bottom:1px solid var(--line)}
.facts div:last-child{border-bottom:0;padding-bottom:0}
.facts dt{color:var(--muted);font-size:14.5px;flex:1 1 140px;min-width:0}
.facts dd{margin:0;font-weight:600;font-size:15px;font-variant-numeric:tabular-nums;text-align:right;margin-left:auto}
.related{display:flex;flex-direction:column}
.related a{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none;font-weight:500}
.related a:last-child{border-bottom:0}
.related a:hover{color:var(--accent)}

/* guľôčka = farba skupiny */
.dot{width:12px;height:12px;border-radius:50%;flex:none;background:var(--g,var(--accent));box-shadow:inset -2px -2px 0 rgba(0,0,0,.14)}
[data-g="zam"]{--g:var(--g-zam)} [data-g="pod"]{--g:var(--g-pod)} [data-g="rod"]{--g:var(--g-rod)} [data-g="kaz"]{--g:var(--g-kaz)}

/* ---------- úvodná stránka ---------- */
.group{display:flex;flex-direction:column;gap:14px}
.group-head{display:flex;align-items:center;gap:12px}
.group-head .beads{display:flex;gap:4px}
.group-head .beads .dot{width:14px;height:14px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.tile{position:relative;display:flex;flex-direction:column;gap:6px;background:var(--surface);border-radius:var(--radius);box-shadow:0 0 0 1px var(--line);padding:20px 20px 20px 22px;text-decoration:none;color:var(--ink);min-width:0;overflow:hidden}
.tile::before{content:"";position:absolute;inset:0 auto 0 0;width:5px;background:var(--g)}
.tile:hover{box-shadow:0 0 0 2px var(--g),0 14px 30px -20px rgba(20,28,80,.5)}
.tile strong{font:700 21px/1.2 var(--display)}
.tile span{color:var(--muted);font-size:15px;line-height:1.45}
.why{background:var(--surface);border-radius:var(--radius);box-shadow:0 0 0 1px var(--line);padding:24px}

/* ---------- pätička ---------- */
.site-foot{background:var(--surface);border-top:1px solid var(--line);color:var(--muted);font-size:14.5px}
.site-foot .in{display:flex;flex-direction:column;gap:10px;padding-block:26px 34px}
.site-foot p{margin:0;max-width:80ch}
.site-foot nav{display:flex;flex-wrap:wrap;gap:6px 18px}
.site-foot a{color:var(--ink)}

/* ---------- administrácia (zdieľa farby) ---------- */
.top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 24px;padding-block:18px;border-bottom:1px solid var(--line)}
.top .logo .mark{color:var(--ink)}

/* ---------- lišta so súhlasom (cookies) ---------- */
.cookies{position:fixed;left:0;right:0;bottom:0;z-index:50;padding:12px var(--gutter) calc(12px + env(safe-area-inset-bottom, 0px));pointer-events:none}
.cookies-in{pointer-events:auto;max-width:1080px;margin:0 auto;background:var(--surface);color:var(--ink);border-radius:var(--radius);
  box-shadow:0 0 0 1px var(--line),0 22px 50px -18px rgba(20,28,80,.55);padding:16px 18px;display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px}
.cookies-in p{margin:0;flex:1 1 420px;font-size:14.5px;line-height:1.5;min-width:0}
.cookies-in strong{display:block;font:700 17px/1.3 var(--display);margin-bottom:2px}
.cookies-btns{display:flex;gap:10px;flex:1 1 auto;justify-content:flex-end}
.cookies-btns button{flex:1 1 0;min-width:120px;max-width:200px;min-height:46px;font:600 15px var(--body);border-radius:10px;cursor:pointer;padding:10px 16px}
.c-no{background:var(--surface);color:var(--ink);border:1.5px solid var(--ink)}
.c-yes{background:var(--accent);color:var(--accent-ink);border:1.5px solid var(--accent)}
@media (max-width:520px){.cookies-btns{flex-basis:100%}.cookies-btns button{max-width:none}}
.linkbtn{background:none;border:0;padding:0;font:inherit;color:var(--ink);text-decoration:underline;text-underline-offset:3px;cursor:pointer}