/* kolikjeto.cz — „Sešit a účtenka“
   Layout: čtverečkovaný papír jako podklad, výsledek vždy jako tištěná účtenka,
   seznamy kalkulaček jako ceník s tečkovanými vodítky. */
:root{
  --paper:#ECEEE8;      /* šedozelený sešitový papír */
  --slip:#FCFCF8;       /* papír účtenky */
  --ink:#141618;        /* tuš */
  --muted:#596059;      /* tužka */
  --line:#C5CBC1;       /* linky sešitu */
  --marker:#FFE04A;     /* zvýrazňovač */
  --pen:#C8202A;        /* červená propiska – „podtrženo“ */
  --grid:rgba(20,22,24,.045);
  --display:"Archivo","Arial Black","Helvetica Neue",Arial,sans-serif;
  --body:"Archivo",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --wrap:1180px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#15171A;--slip:#1F2226;--ink:#E8EBE4;--muted:#9BA39A;--line:#343A36;
    --marker:#E9C930;--pen:#FF5B5F;--grid:rgba(232,235,228,.035);color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#15171A;--slip:#1F2226;--ink:#E8EBE4;--muted:#9BA39A;--line:#343A36;
  --marker:#E9C930;--pen:#FF5B5F;--grid:rgba(232,235,228,.035);color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background-color:var(--paper);color:var(--ink);
  font-family:var(--body);font-size:17px;line-height:1.55;
  background-image:
    linear-gradient(var(--grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:24px 24px;
}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{text-decoration-color:var(--pen)}
:focus-visible{outline:3px solid var(--marker);outline-offset:2px;box-shadow:0 0 0 5px var(--ink)}
img{max-width:100%}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.num,.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.hl{background:linear-gradient(176deg,transparent 52%,var(--marker) 52%,var(--marker) 88%,transparent 88%);padding:0 .08em;color:inherit}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:var(--marker);color:#141618;padding:8px 12px;z-index:10}

/* ---------- hlavička ---------- */
.top{border-bottom:2px solid var(--ink);background:var(--paper)}
.top .wrap{display:flex;align-items:center;gap:24px;min-height:68px;flex-wrap:wrap}
.logo{font-family:var(--display);font-stretch:125%;font-weight:850;font-size:22px;letter-spacing:-.01em;text-decoration:none;display:flex;align-items:baseline;gap:2px;white-space:nowrap}
.logo .q{display:inline-block;background:var(--marker);color:#141618;padding:0 .18em;margin-left:2px;transform:rotate(-4deg)}
.logo .tld{font-family:var(--mono);font-size:13px;font-weight:500;color:var(--muted);margin-left:4px}
.nav{display:flex;gap:18px;flex-wrap:wrap;font-size:15px;margin-left:auto}
.nav a{text-decoration:none;color:var(--muted)}
.nav a:hover,.nav a[aria-current]{color:var(--ink);text-decoration:underline;text-decoration-color:var(--pen)}

/* ---------- hledání ---------- */
.search{position:relative;max-width:640px}
.search label{display:block;font-family:var(--mono);font-size:13px;color:var(--muted);margin-bottom:6px}
.search input{
  width:100%;font:inherit;font-size:21px;padding:14px 16px;border:2px solid var(--ink);
  background:var(--slip);color:var(--ink);border-radius:0;box-shadow:5px 5px 0 var(--ink);
}
.search input::placeholder{color:var(--muted)}
.results{position:absolute;left:0;right:0;top:100%;margin:10px 0 0;padding:0;list-style:none;background:var(--slip);border:2px solid var(--ink);z-index:5;display:none}
.results.open{display:block}
.results a,.results span{display:flex;justify-content:space-between;gap:12px;padding:10px 16px;text-decoration:none;border-top:1px dashed var(--line)}
.results li:first-child a,.results li:first-child span{border-top:0}
.results a:hover,.results a.active{background:var(--marker);color:#141618}
.results small{font-family:var(--mono);color:inherit;opacity:.7}

/* ---------- úvod homepage ---------- */
.hero{padding:56px 0 40px;display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:end}
.hero h1{font-family:var(--display);font-stretch:125%;font-weight:900;font-size:clamp(46px,8vw,104px);line-height:.92;letter-spacing:-.03em;margin:0 0 22px;text-wrap:balance}
.hero p.lead{font-size:20px;max-width:34ch;margin:0 0 28px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.chip{font-family:var(--mono);font-size:14px;border:1.5px solid var(--ink);padding:5px 10px;text-decoration:none;background:transparent;color:var(--ink);cursor:pointer}
.chip:hover,.chip[aria-pressed="true"]{background:var(--ink);color:var(--paper)}

/* ukázková účtenka v hero */
.hero .slip{transform:rotate(1.6deg)}

/* ---------- účtenka ---------- */
.slip{
  position:relative;background:var(--slip);font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:15px;padding:22px 22px 26px;box-shadow:0 1px 0 var(--line),0 14px 30px -18px rgba(0,0,0,.45);
  margin-bottom:14px;
}
.slip::after{
  content:"";position:absolute;left:0;right:0;bottom:-11px;height:12px;
  background:linear-gradient(135deg,var(--slip) 50%,transparent 50%) 0 0/14px 12px repeat-x,
             linear-gradient(-135deg,var(--slip) 50%,transparent 50%) 0 0/14px 12px repeat-x;
}
.slip-head{text-align:center;border-bottom:1px dashed var(--muted);padding-bottom:12px;margin-bottom:12px;line-height:1.35}
.slip-head b{font-family:var(--display);font-stretch:125%;font-size:17px;letter-spacing:.02em}
.slip-head span{display:block;font-size:12px;color:var(--muted)}
.row{display:flex;align-items:baseline;gap:8px;padding:3px 0}
.row .l{flex:0 1 auto;min-width:0}
.row .dots{flex:1 0 12px;border-bottom:1.5px dotted var(--muted);transform:translateY(-4px);min-width:12px}
.row .v{white-space:nowrap}
.row.minus .v{color:var(--muted)}
.row.sub{font-size:13px;color:var(--muted)}
.row.gap{margin-top:8px}
.total{margin-top:12px;padding-top:12px;border-top:1px dashed var(--muted)}
.total .lab{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.total .big{display:inline-block;font-family:var(--display);font-stretch:112%;font-weight:850;font-size:clamp(34px,5vw,46px);line-height:1.1;
  border-bottom:4px double var(--pen);padding-bottom:2px;margin-top:2px;letter-spacing:-.01em}
.slip-foot{margin-top:16px;font-size:12px;color:var(--muted);text-align:center;line-height:1.5}
.slip-actions{display:flex;gap:8px;justify-content:center;margin-top:12px}
.btn{font-family:var(--mono);font-size:13px;border:1.5px solid var(--ink);background:transparent;color:var(--ink);padding:6px 12px;cursor:pointer}
.btn:hover{background:var(--ink);color:var(--paper)}

/* ---------- stránka kalkulačky ---------- */
.crumbs{font-family:var(--mono);font-size:13px;color:var(--muted);padding:18px 0 0;display:flex;gap:8px;flex-wrap:wrap;list-style:none;margin:0}
.crumbs li+li::before{content:"/";margin-right:8px}
.crumbs a{text-decoration:none}
.calc-head{padding:18px 0 26px;border-bottom:2px solid var(--ink);margin-bottom:30px}
.calc-head h1{font-family:var(--display);font-stretch:118%;font-weight:900;font-size:clamp(34px,5.4vw,64px);line-height:.98;letter-spacing:-.025em;margin:0 0 16px;max-width:18ch;text-wrap:balance}
.answer{font-size:19px;max-width:62ch;margin:0}
.meta{display:flex;flex-wrap:wrap;gap:6px 18px;font-family:var(--mono);font-size:13px;color:var(--muted);margin-top:14px}
.meta b{color:var(--ink);font-weight:500}
.stamp{display:inline-block;border:1.5px solid var(--pen);color:var(--pen);padding:1px 8px;transform:rotate(-2deg);font-weight:600}

.calc{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:44px;align-items:start}
.form{display:grid;gap:26px;min-width:0}
.field{min-width:0}
.field>label,.field>.lab{display:block;font-weight:650;font-size:16px;margin-bottom:8px}
.field .hint{font-size:14px;color:var(--muted);margin-top:6px}
.inp{display:flex;align-items:baseline;border-bottom:2.5px solid var(--ink);max-width:420px}
.inp input{flex:1;min-width:0;width:100%;border:0;background:transparent;color:var(--ink);font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:34px;font-weight:500;padding:4px 0;outline:none}
.inp:focus-within{border-color:var(--pen);background:linear-gradient(transparent 70%,color-mix(in srgb,var(--marker) 45%,transparent) 70%)}
.inp .unit{font-family:var(--mono);font-size:18px;color:var(--muted);padding-left:8px}
.seg{display:inline-flex;flex-wrap:wrap;border:2px solid var(--ink)}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg label{font-family:var(--mono);font-size:15px;padding:8px 14px;cursor:pointer;border-left:2px solid var(--ink);margin:0;font-weight:500}
.seg label:first-of-type{border-left:0}
.seg input:checked+label{background:var(--ink);color:var(--paper)}
.seg input:focus-visible+label{outline:3px solid var(--marker);outline-offset:-3px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:26px}

.side{position:sticky;top:20px;display:grid;gap:18px}
.ad{min-height:250px;border:1.5px dashed var(--line);display:grid;place-items:center;font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.1em;text-transform:uppercase;background:color-mix(in srgb,var(--slip) 40%,transparent)}
.ad.wide{min-height:120px;margin:40px 0}

.section{margin-top:56px;max-width:760px}
.section h2{font-family:var(--display);font-stretch:112%;font-weight:850;font-size:28px;letter-spacing:-.01em;margin:0 0 16px;text-wrap:balance}
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:0}
.steps li{counter-increment:s;display:grid;grid-template-columns:44px 1fr;gap:12px;padding:14px 0;border-top:1px solid var(--line)}
.steps li::before{content:counter(s,decimal-leading-zero);font-family:var(--mono);color:var(--pen);font-weight:600}
.steps .f{font-family:var(--mono);font-size:15px;color:var(--muted);display:block;margin-top:2px}
.params{width:100%;border-collapse:collapse;font-size:15px}
.params td,.params th{padding:9px 0;border-top:1px solid var(--line);text-align:left;vertical-align:top}
.params td:last-child{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums;white-space:nowrap;padding-left:16px}
.faq details{border-top:1px solid var(--line);padding:14px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:650;font-size:18px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--pen);font-size:22px;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq p{margin:10px 0 0;max-width:65ch}
.prose p{max-width:65ch}

/* pruh poměru (hypotéka, BMI) */
.bar{display:flex;height:14px;border:1.5px solid var(--ink);margin:10px 0 6px}
.bar i{display:block;height:100%}
.bar .a{background:var(--ink)}
.bar .b{background:repeating-linear-gradient(45deg,var(--pen) 0 4px,transparent 4px 8px)}
.legend{display:flex;gap:14px;font-size:12px;color:var(--muted);flex-wrap:wrap}
.legend span::before{content:"";display:inline-block;width:10px;height:10px;margin-right:5px;vertical-align:-1px;border:1px solid var(--ink)}
.legend .la::before{background:var(--ink)}
.legend .lb::before{background:repeating-linear-gradient(45deg,var(--pen) 0 2px,transparent 2px 4px)}
.scale{position:relative;margin:14px 0 22px}
.scale .track{display:grid;grid-template-columns:2.5fr 6.5fr 5fr 5fr 5fr;height:12px;border:1.5px solid var(--ink)}
.scale .track i:nth-child(odd){background:color-mix(in srgb,var(--ink) 14%,transparent)}
.scale .pin{position:absolute;top:-7px;width:3px;height:26px;background:var(--pen);transform:translateX(-1px)}
.scale .ticks{display:grid;grid-template-columns:2.5fr 6.5fr 5fr 5fr 5fr;font-size:11px;color:var(--muted);margin-top:4px}
details.table summary{cursor:pointer;font-family:var(--mono);font-size:13px;margin-top:10px}
.amort{width:100%;font-size:12px;border-collapse:collapse;margin-top:8px}
.amort td,.amort th{padding:3px 0;text-align:right;border-top:1px dotted var(--line)}
.amort th{font-weight:500;color:var(--muted)}
.amort td:first-child,.amort th:first-child{text-align:left}

/* ---------- ceník kalkulaček ---------- */
.board{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px 56px;padding:20px 0 30px}
.cat{border-top:3px solid var(--ink);padding-top:12px}
.cat h2{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin:0 0 10px;font-family:var(--display);font-stretch:125%;font-weight:850;font-size:20px;text-transform:uppercase;letter-spacing:.02em}
.cat h2 small{font-family:var(--mono);font-size:13px;font-weight:500;color:var(--muted);text-transform:none;letter-spacing:0}
.cat ul{list-style:none;margin:0;padding:0}
.cat li a,.cat li span.soon{display:flex;align-items:baseline;gap:8px;padding:7px 0;text-decoration:none}
.cat li .n{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cat li .dots{flex:1;border-bottom:1.5px dotted var(--muted);transform:translateY(-4px);min-width:16px}
.cat li .h{font-family:var(--mono);font-size:13px;color:var(--muted);white-space:nowrap}
.cat li a .n{font-weight:650}
.cat li a:hover .n{background:var(--marker);color:#141618}
.cat li a .h::after{content:" →";color:var(--pen)}
.cat li span.soon{color:var(--muted)}
.tag{font-family:var(--mono);font-size:11px;border:1px solid var(--muted);padding:0 5px;color:var(--muted);white-space:nowrap}
.related{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:0 32px}

.why{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;padding:34px 0 10px;border-top:2px solid var(--ink);margin-top:20px}
.why h3{font-family:var(--display);font-stretch:112%;font-size:19px;margin:0 0 6px}
.why p{margin:0;color:var(--muted);font-size:16px}
.why .k{font-family:var(--mono);color:var(--pen);font-size:13px;display:block;margin-bottom:8px}

/* ---------- patička ---------- */
.foot{border-top:2px solid var(--ink);margin-top:70px;padding:28px 0 40px;font-size:14px;color:var(--muted)}
.foot .wrap{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}
.foot b{color:var(--ink);display:block;margin-bottom:6px;font-family:var(--display);font-stretch:112%}
.foot ul{list-style:none;padding:0;margin:0;display:grid;gap:4px}
.foot a{text-decoration:none}
.foot a:hover{text-decoration:underline}

@media (max-width:960px){
  .hero{grid-template-columns:1fr;gap:34px;padding-top:36px}
  .hero .slip{transform:none;max-width:440px}
  .calc{grid-template-columns:1fr}
  .side{position:static}
  .board{grid-template-columns:1fr}
  .why{grid-template-columns:1fr}
  .foot .wrap{grid-template-columns:1fr}
}
@media (max-width:520px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .two{grid-template-columns:1fr}
  .inp input{font-size:28px}
  .nav{margin-left:0}
  .search input{font-size:18px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* platové tabulky a select */
.sel{flex:1;min-width:0;width:100%;border:0;background:transparent;color:var(--ink);font-family:var(--mono);font-size:26px;padding:6px 0;outline:none;appearance:none;cursor:pointer}
.sel option{background:var(--slip);color:var(--ink)}
.tab-wrap{overflow-x:auto;border-top:2px solid var(--ink);margin-top:12px}
.ptab{border-collapse:collapse;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:13px;min-width:100%}
.ptab th,.ptab td{padding:6px 8px;border-bottom:1px dotted var(--line);text-align:right;white-space:nowrap}
.ptab thead th{position:sticky;top:0;background:var(--paper);font-weight:600}
.ptab tbody th{text-align:left;font-weight:600}
.ptab tbody th small{font-weight:400;color:var(--muted)}
.ptab tbody tr:hover td{background:color-mix(in srgb,var(--marker) 35%,transparent)}
.hint{font-size:14px;color:var(--muted)}

/* zalamování dlouhých položek na úzkých displejích */
.row .l{white-space:normal}
.row .v{white-space:normal;text-align:right;overflow-wrap:anywhere;max-width:62%}
.cat li .n{white-space:normal}
.cat li .h{white-space:normal;text-align:right}
.seg label{white-space:normal}
.params td:last-child{white-space:normal;text-align:right;max-width:55%}
.params{table-layout:fixed}
.params td:first-child{width:50%}