:root {
  --ink: #0f1d33; --ink2: #3d4a5f; --mute: #6b7689; --line: #dfe3ea; --bg: #f5f6f8; --card: #fff;
  --brand: #0b5cad; --brand-d: #084a8c; --ok: #0a7a4b; --ok-bg: #e7f6ee; --bad: #b42318; --bad-bg: #fdecea;
  --warn: #8a5a00; --warn-bg: #fff4dc; --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 16px/1.55 var(--font); color: var(--ink); background: var(--bg); }
a { color: var(--brand); }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.7rem, 4.2vw, 2.6rem); margin: 0 0 .6rem; }
h2 { font-size: clamp(1.3rem, 3vw, 1.75rem); margin: 2.4rem 0 .8rem; }
h3 { font-size: 1.08rem; margin: 1.2rem 0 .4rem; }
.obal { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
header.horni { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
header.horni .obal { display: flex; align-items: center; gap: 16px; min-height: 58px; flex-wrap: wrap; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 750; font-size: 1.15rem; color: var(--ink); text-decoration: none; }
.logo svg { flex: none; }
nav.menu { display: flex; gap: 4px 18px; margin-left: auto; flex-wrap: wrap; font-size: .95rem; }
nav.menu a { color: var(--ink2); text-decoration: none; padding: 4px 0; }
nav.menu a:hover, nav.menu a[aria-current] { color: var(--brand); }
.hero { padding: 40px 0 8px; }
.hero p.podtitul { font-size: 1.12rem; color: var(--ink2); max-width: 760px; margin: 0 0 1rem; }
.slib { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 0 0 18px; padding: 0; list-style: none; color: var(--ink2); font-size: .95rem; }
.slib li::before { content: "✓ "; color: var(--ok); font-weight: 700; }
.soukromi { display: flex; gap: 12px; align-items: flex-start; background: var(--ok-bg); border: 1px solid #b9e3cc; color: #0b4f33; border-radius: var(--radius); padding: 12px 14px; margin: 0 0 18px; font-size: .95rem; }
.soukromi strong { display: block; }
.karta { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.zona { border: 2px dashed #9fb3cc; border-radius: 14px; background: #fbfcfe; text-align: center; padding: 34px 16px; cursor: pointer; transition: background .15s, border-color .15s; }
.zona:hover, .zona.nad { background: #eef4fb; border-color: var(--brand); }
.zona .velky { font-size: 1.15rem; font-weight: 650; margin: 8px 0 4px; }
.zona .maly { color: var(--mute); font-size: .9rem; margin: 0; }
.tl { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: inherit; font-weight: 600; border-radius: 8px; border: 1px solid var(--brand); background: var(--brand); color: #fff; padding: 10px 16px; cursor: pointer; text-decoration: none; min-height: 44px; }
.tl:hover { background: var(--brand-d); }
.tl.druhe { background: #fff; color: var(--brand); }
.tl.druhe:hover { background: #eef4fb; }
.tl.maly { padding: 6px 12px; min-height: 36px; font-size: .92rem; }
.tl:disabled { opacity: .5; cursor: not-allowed; }
.radek { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.ukazky { margin-top: 12px; font-size: .9rem; color: var(--mute); }
.ukazky button { font: inherit; background: none; border: none; color: var(--brand); text-decoration: underline; cursor: pointer; padding: 2px 4px; }
#vysledky { display: grid; gap: 16px; margin-top: 18px; }
.vypis { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.vypis .hlava { padding: 14px 16px; display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: baseline; border-bottom: 1px solid var(--line); }
.vypis .hlava h3 { margin: 0; font-size: 1.05rem; }
.stitek { display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; border-radius: 99px; padding: 2px 9px; }
.stitek.overeno { background: var(--ok-bg); color: var(--ok); }
.stitek.beta { background: var(--warn-bg); color: var(--warn); }
.meta { color: var(--mute); font-size: .9rem; }
.kontrola { margin: 14px 16px; border-radius: 8px; padding: 12px 14px; font-size: .95rem; }
.kontrola.ok { background: var(--ok-bg); color: #0b4f33; border: 1px solid #b9e3cc; }
.kontrola.chyba { background: var(--bad-bg); color: var(--bad); border: 2px solid var(--bad); font-weight: 600; }
.kontrola.nelze { background: var(--warn-bg); color: var(--warn); border: 1px solid #f0d49a; }
.kontrola ul { margin: 6px 0 0; padding-left: 18px; font-weight: 400; }
.cisla { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; margin: 0 16px 12px; }
.cisla div { background: var(--bg); border-radius: 8px; padding: 8px 10px; }
.cisla b { display: block; font-variant-numeric: tabular-nums; }
.cisla span { font-size: .8rem; color: var(--mute); }
.tabulka { overflow-x: auto; border-top: 1px solid var(--line); max-height: 420px; }
table { border-collapse: collapse; width: 100%; font-size: .88rem; }
th, td { padding: 7px 10px; border-bottom: 1px solid #eef0f4; text-align: left; vertical-align: top; }
th { position: sticky; top: 0; background: #f9fafb; font-weight: 650; color: var(--ink2); white-space: nowrap; }
td.c { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
td.c.minus { color: var(--bad); }
td.c.plus { color: var(--ok); }
td.z { max-width: 320px; color: var(--ink2); }
.exporty { padding: 14px 16px; display: flex; flex-wrap: wrap; gap: 8px; border-top: 1px solid var(--line); background: #fafbfc; }
.hromadne { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.nastaveni { margin-top: 14px; }
.nastaveni summary { cursor: pointer; color: var(--ink2); font-weight: 600; }
.nastaveni .pole { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 10px; margin-top: 10px; }
label { display: block; font-size: .88rem; color: var(--ink2); }
input, select { font: inherit; width: 100%; padding: 9px 10px; border: 1px solid #c8cfda; border-radius: 8px; background: #fff; margin-top: 4px; min-height: 42px; }
.chyba-txt { color: var(--bad); font-weight: 600; }
.mrizka { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.mrizka .karta h3 { margin-top: 0; }
.banky { width: 100%; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.banky td, .banky th { padding: 9px 12px; }
.ceny { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.cena { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px; display: flex; flex-direction: column; }
.cena.hlavni { border: 2px solid var(--brand); }
.cena .castka { font-size: 2rem; font-weight: 750; margin: 6px 0 2px; }
.cena .castka small { font-size: .95rem; font-weight: 500; color: var(--mute); }
.cena ul { padding-left: 18px; margin: 12px 0 18px; flex: 1; }
.cena .tl { width: 100%; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; margin-bottom: 8px; }
.faq summary { cursor: pointer; font-weight: 600; }
.text { max-width: 780px; }
.text p, .text li { color: var(--ink2); }
footer.dolni { margin-top: 56px; background: #0f1d33; color: #c8d1df; font-size: .9rem; }
footer.dolni .obal { padding: 28px 16px; display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
footer.dolni a { color: #fff; }
footer.dolni p { margin: 0 0 6px; }
.okno-pozadi { position: fixed; inset: 0; background: rgba(15, 29, 51, .55); display: flex; align-items: center; justify-content: center; padding: 16px; z-index: 50; }
.okno { background: #fff; border-radius: 14px; max-width: 460px; width: 100%; padding: 22px; box-shadow: 0 20px 50px rgba(0,0,0,.25); }
.okno h3 { margin-top: 0; }
.zaskrt { display: flex; gap: 8px; align-items: flex-start; margin: 10px 0; font-size: .9rem; }
.zaskrt input { width: auto; min-height: 0; margin-top: 3px; }
.hlaska { padding: 10px 12px; border-radius: 8px; background: var(--warn-bg); color: var(--warn); margin-top: 10px; font-size: .92rem; }
.hlaska.ok { background: var(--ok-bg); color: #0b4f33; }
.licence-pruh { font-size: .88rem; color: var(--ink2); margin: 8px 0 0; }
.kroky { counter-reset: k; list-style: none; padding: 0; }
.kroky li { counter-increment: k; position: relative; padding-left: 38px; margin-bottom: 12px; }
.kroky li::before { content: counter(k); position: absolute; left: 0; top: 0; width: 26px; height: 26px; border-radius: 50%; background: var(--brand); color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center; font-size: .85rem; }
code { font-family: var(--mono); font-size: .9em; background: #eef1f5; padding: 1px 5px; border-radius: 4px; }
.skryte { display: none !important; }
@media (max-width: 560px) {
  header.horni { position: static; }
  td:first-child { white-space: nowrap; }
  header.horni .obal { padding-top: 8px; padding-bottom: 8px; }
  nav.menu { margin-left: 0; width: 100%; gap: 2px 14px; font-size: .9rem; }
  .vypis .hlava { flex-direction: column; }
  .exporty .tl { flex: 1 1 calc(50% - 8px); }
  th, td { padding: 6px 8px; }
}