/* ==========================================================================
   Fotka na doklady

   Swiss modernism: striktná mriežka, vlasové linky namiesto tieňov, jediný
   akcent, žiadna dekorácia. Sedí to na produkt o úradnej presnosti a zároveň
   to nevyzerá ako každá druhá stránka.

   Bez externých fontov a bez CDN - nič neblokuje vykreslenie a nič sa
   nenačítava z cudzieho servera. Sedí to k sľubu, že stránka o teba nezbiera
   dáta.
   ========================================================================== */

:root {
  /* Papier a atrament */
  --paper: #fdfdfb;
  --surface: #ffffff;
  --surface-2: #f4f3ef;
  --ink: #16160f;
  --ink-2: #45443c;
  --ink-3: #6b6a60;

  /* Vlasové linky - základný stavebný prvok namiesto tieňov */
  --rule: #e0ded6;
  --rule-strong: #16160f;

  /* Jediný akcent */
  --accent: #145239;
  --accent-ink: #ffffff;
  --accent-soft: #e9f0ec;
  --accent-line: #a8c5b8;

  --ok: #145239;
  --ok-soft: #e9f0ec;
  --warn: #7d4f0c;
  --warn-soft: #fbf1de;
  --bad: #8c2b1b;
  --bad-soft: #fbeae7;

  /* 8px mriežka */
  --s1: 8px; --s2: 16px; --s3: 24px; --s4: 32px; --s5: 48px; --s6: 64px; --s7: 96px;

  --r: 3px;
  --wrap: 1120px;
  --wrap-narrow: 660px;

  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #14140f;
    --surface: #1b1b16;
    --surface-2: #201f1a;
    --ink: #f2f1e9;
    --ink-2: #b8b6aa;
    --ink-3: #8d8b7f;

    --rule: #33322a;
    --rule-strong: #f2f1e9;

    --accent: #6fbf9c;
    --accent-ink: #0d1a14;
    --accent-soft: #16281f;
    --accent-line: #2c4a3a;

    --ok: #6fbf9c;
    --ok-soft: #16281f;
    --warn: #d9a75e;
    --warn-soft: #2b2417;
    --bad: #e08d7d;
    --bad-soft: #2f1e1a;
  }
}

*, *::before, *::after { box-sizing: border-box; }

/* Vlastné `display` v pravidlách nižšie by inak prebilo atribút hidden. */
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-synthesis-weight: none;
  overflow-x: hidden;
}

/* --- typografická škála ------------------------------------------------- */

h1, h2, h3 { margin: 0 0 var(--s2); font-weight: 620; letter-spacing: -.022em; }
h1 { font-size: clamp(2.1rem, 5.6vw, 3.25rem); line-height: 1.06; }
h2 { font-size: clamp(1.45rem, 3.2vw, 1.9rem); line-height: 1.15; }
h3 { font-size: 1.05rem; line-height: 1.3; letter-spacing: -.012em; }
p { margin: 0 0 var(--s2); }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }

/* Miery, rozmery a ceny majú byť čitateľné ako čísla, nie ako text. */
.doc-dim, .guide-dim, .preview-meta, .spec-table td, .price { font-variant-numeric: tabular-nums; }

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--s3); }
.wrap.narrow { max-width: var(--wrap-narrow); }

.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 {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ink); color: var(--paper); padding: var(--s1) var(--s2);
}
.skip:focus { left: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* --- hlavička ----------------------------------------------------------- */

.site-head {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky; top: 0; z-index: 20;
}
.head-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s2); min-height: 62px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 620; color: var(--ink); text-decoration: none;
  letter-spacing: -.02em; font-size: 1.02rem;
}
.brand-mark {
  width: 17px; height: 21px; flex: none;
  color: var(--accent);
  display: block;
}
.site-head nav { display: flex; align-items: center; gap: 2px; font-size: .9rem; }
.site-head nav a {
  color: var(--ink-2); text-decoration: none;
  display: inline-flex; align-items: center;
  min-height: 44px; padding-inline: 10px;
}
.site-head nav a:hover { color: var(--ink); text-decoration: underline; }

/* Prepínač jazyka - oddelený, aby nesplynul s navigáciou. */
.site-head nav .lang {
  margin-left: var(--s1); padding-inline: 10px;
  border: 1px solid var(--rule); color: var(--ink-2);
  font-variant: small-caps; letter-spacing: .04em;
}
.site-head nav .lang:hover { border-color: var(--ink); text-decoration: none; }

/* --- hero --------------------------------------------------------------- */

.hero { padding: var(--s7) 0 var(--s5); border-bottom: 1px solid var(--rule); }
.hero h1 { max-width: 15ch; }
.lede { font-size: clamp(1.05rem, 2vw, 1.2rem); color: var(--ink-2); max-width: 58ch; }
.hero-cta { display: flex; gap: var(--s1); flex-wrap: wrap; margin: var(--s4) 0 0; }

.trust-bar {
  list-style: none; display: flex; flex-wrap: wrap; gap: var(--s1) var(--s4);
  margin: var(--s4) 0 0; padding: var(--s2) 0 0; border-top: 1px solid var(--rule);
  font-size: .84rem; color: var(--ink-3);
}
.trust-bar li { display: flex; align-items: baseline; gap: 8px; }
.trust-bar li::before { content: "/"; color: var(--accent); font-weight: 700; }

/* --- tlačidlá ----------------------------------------------------------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font: inherit; font-size: .93rem; font-weight: 550;
  min-height: 44px; padding: 10px var(--s3);
  border: 1px solid var(--ink); border-radius: var(--r);
  background: transparent; color: var(--ink);
  cursor: pointer; text-decoration: none;
  transition: background .15s, color .15s;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn.primary { background: var(--ink); color: var(--paper); }
.btn.primary:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.lg { min-height: 52px; padding-inline: var(--s4); font-size: 1rem; }
.btn.ghost {
  border-color: var(--rule); color: var(--ink-3); font-size: .85rem;
  min-height: 38px; padding: 6px var(--s2); margin-top: var(--s2);
}
.btn.ghost:hover { background: transparent; color: var(--ink); border-color: var(--ink); }

/* --- pásy --------------------------------------------------------------- */

.band { padding: var(--s7) 0; border-bottom: 1px solid var(--rule); }
.band.alt { background: var(--surface-2); }
.section-lede { color: var(--ink-2); max-width: 60ch; }
.answer-block { max-width: 66ch; }

/* --- ako to funguje ----------------------------------------------------- */

.how-grid {
  list-style: none; padding: 0; margin: var(--s5) 0 0;
  display: grid; gap: 0; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  border-top: 1px solid var(--rule-strong);
}
.how-grid li { padding: var(--s3) var(--s3) var(--s3) 0; border-right: 1px solid var(--rule); }
.how-grid li:last-child { border-right: 0; }
.how-grid li + li { padding-left: var(--s3); }
.how-num {
  display: block; font-family: var(--mono); font-size: .78rem;
  color: var(--accent); margin-bottom: var(--s2); letter-spacing: .08em;
}
.how-grid h3 { margin-bottom: 6px; }
.how-grid p { color: var(--ink-2); font-size: .93rem; margin: 0; }

@media (max-width: 640px) {
  .how-grid li { border-right: 0; border-bottom: 1px solid var(--rule); padding-left: 0 !important; }
  .how-grid li:last-child { border-bottom: 0; }
}

/* --- zoznam návodov ----------------------------------------------------- */

.guide-list { margin-top: var(--s4); border-top: 1px solid var(--rule-strong); }
.guide-row {
  display: flex; align-items: baseline; justify-content: space-between; gap: var(--s3);
  padding: var(--s3) 0; text-decoration: none; color: inherit;
  border-bottom: 1px solid var(--rule);
}
.guide-row:hover .guide-main strong { text-decoration: underline; }
.guide-main { display: grid; gap: 4px; min-width: 0; overflow-wrap: anywhere; }
.guide-main strong { font-weight: 600; font-size: 1.02rem; }
.guide-topics { font-size: .84rem; color: var(--ink-3); }
.guide-dim { flex: none; font-family: var(--mono); font-size: .82rem; color: var(--accent); }
.guide-link { font-size: .87rem; font-weight: 550; }

@media (max-width: 560px) { .guide-row { flex-direction: column; gap: 6px; } }

/* --- karty dokladov (súvisiace) ----------------------------------------- */

.doc-grid {
  display: grid; gap: 0; margin-top: var(--s3);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  border-top: 1px solid var(--rule-strong);
}
.doc-card {
  display: block; text-decoration: none; color: inherit;
  padding: var(--s3) var(--s3) var(--s3) 0; border-bottom: 1px solid var(--rule);
}
.doc-card:hover h3 { text-decoration: underline; }
.doc-card h3 { margin-bottom: 4px; }
.doc-dim { font-family: var(--mono); font-size: .82rem; color: var(--accent); margin: 0; }

/* --- cena --------------------------------------------------------------- */

/* Obe karty majú rovnaké odsadenie, inak sa nezarovnajú. Platená verzia sa
   odlišuje silnou hornou linkou a štítkom, nie výplňou. */
.price-grid {
  display: grid; gap: 0 var(--s5); margin-top: var(--s4);
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  align-items: start;
}
.price-card { padding: var(--s3) 0; border-top: 1px solid var(--rule); }
.price-card.featured { border-top: 3px solid var(--accent); }
.price-card h3 {
  font-size: .78rem; text-transform: uppercase; letter-spacing: .1em;
  color: var(--ink-3); font-weight: 620; margin-bottom: var(--s2);
}
.price-card.featured h3 { color: var(--accent); }
.price-card .price {
  font-size: 2.4rem; font-weight: 620; letter-spacing: -.035em;
  margin: 0 0 var(--s3); line-height: 1;
}
.price-card ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; font-size: .9rem; color: var(--ink-2); }
.price-card li { padding-left: var(--s2); position: relative; }
.price-card li::before { content: "/"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

.price-note { margin-top: var(--s4); }

/* --- nástroj ------------------------------------------------------------ */

.tool {
  border: 1px solid var(--rule-strong);
  border-radius: var(--r);
  background: var(--surface);
  margin: var(--s5) 0;
  scroll-margin-top: 78px;
}
.tool-step { padding: var(--s3); border-top: 1px solid var(--rule); }
.tool-step:first-child { border-top: 0; }
.tool-h {
  display: flex; align-items: center; gap: 10px;
  font-size: .78rem; font-weight: 620; text-transform: uppercase;
  letter-spacing: .1em; color: var(--ink-3); margin: 0 0 var(--s3);
}
.num {
  flex: none; font-family: var(--mono); font-size: .78rem;
  color: var(--accent); letter-spacing: 0;
}
.num::after { content: ""; }

.format-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  /* Tlačidlá majú záporný okraj, aby sa rámiky nezdvojili. Bez overflow
     by ten 1 px presahoval mriežku a na mobile spôsobil vodorovné rolovanie. */
  overflow: hidden;
}
.format-btn {
  text-align: left; padding: 12px var(--s2); background: transparent;
  border: 1px solid var(--rule); margin: 0 -1px -1px 0;
  color: inherit; font: inherit; cursor: pointer;
  min-height: 74px; display: flex; flex-direction: column; justify-content: center; gap: 3px;
  transition: background .12s;
}
.format-btn:hover { background: var(--surface-2); }
.format-btn[aria-pressed="true"] {
  background: var(--ink); border-color: var(--ink); color: var(--paper); position: relative; z-index: 1;
}
/* Zdedená farba stlmená priehľadnosťou - natvrdo zadaná biela by v tmavej téme
   sedela na svetlom pozadí a zmizla by. */
.format-btn[aria-pressed="true"] span { color: inherit; opacity: .72; }
.format-btn b { font-size: .92rem; font-weight: 600; line-height: 1.25; }
.format-btn span { color: var(--ink-3); font-size: .77rem; line-height: 1.3; }

.custom-size { margin-top: var(--s3); padding: var(--s2); border-left: 3px solid var(--warn); background: var(--warn-soft); }
.custom-note { font-size: .84rem; color: var(--warn); margin: 0 0 10px; max-width: 56ch; }
.custom-fields { display: flex; gap: var(--s3); flex-wrap: wrap; margin: 0; }
.custom-size label { font-size: .85rem; color: var(--ink-2); }
.custom-size input, .options select {
  padding: 7px 10px; border: 1px solid var(--ink-3); border-radius: var(--r);
  background: var(--surface); color: var(--ink); font: inherit; font-size: .9rem;
  font-variant-numeric: tabular-nums;
}
.custom-size input { width: 5rem; }

/* --- karta špecifikácie ------------------------------------------------- */

.spec-card { margin-top: var(--s3); padding-top: var(--s3); border-top: 1px solid var(--rule); }
.spec-block .spec-card { margin: var(--s4) 0 0; padding-top: 0; border-top: 0; }

.spec-table {
  width: 100%; border-collapse: collapse; font-size: .93rem;
  /* Bez fixed layoutu si tabuľka pri dlhom obsahu vezme viac než 100 %
     a roztiahne celú stránku - `width: 100%` je pri auto layoute len návrh. */
  table-layout: fixed;
}
.spec-table th, .spec-table td { overflow-wrap: anywhere; }
.spec-table tr { border-bottom: 1px solid var(--rule); }
.spec-table tr:first-child { border-top: 1px solid var(--rule-strong); }
.spec-table th, .spec-table td { text-align: left; padding: 10px 0; vertical-align: top; }
.spec-table th {
  color: var(--ink-3); font-weight: 450; width: 40%;
  font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; padding-top: 12px;
}
.spec-table td { font-weight: 550; }

.rule-list { padding-left: var(--s2); color: var(--ink-2); display: grid; gap: 6px; margin: var(--s2) 0; }
.rule-list.small { font-size: .88rem; }

.rules-toggle { margin-top: var(--s2); }
.rules-toggle summary {
  cursor: pointer; font-size: .86rem; color: var(--accent); font-weight: 550;
  padding: 6px 0;
}
.rules-toggle summary::marker { color: var(--ink-3); }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 100px;
  font-size: .71rem; font-weight: 600; margin-right: 6px;
  text-transform: uppercase; letter-spacing: .05em;
}
.badge.verified { background: var(--ok-soft); color: var(--ok); }
.badge.secondary, .badge.varies { background: var(--warn-soft); color: var(--warn); }
.src { font-size: .81rem; color: var(--ink-3); margin: var(--s2) 0 0; overflow-wrap: anywhere; }

/* --- nahrávanie --------------------------------------------------------- */

.drop {
  display: grid; place-items: center; gap: 4px; padding: var(--s5) var(--s2);
  border: 1px dashed var(--ink-3); border-radius: var(--r); cursor: pointer;
  text-align: center; transition: background .12s, border-color .12s;
}
.drop:hover, .drop.over { border-color: var(--accent); border-style: solid; background: var(--accent-soft); }
.drop-icon { width: 26px; height: 20px; border: 1.5px solid var(--ink-3); margin-bottom: 6px; position: relative; }
.drop-icon::after {
  content: ""; position: absolute; inset: 3px 3px auto 3px; height: 6px;
  border-radius: 50%; background: var(--ink-3);
}
.drop-main { font-weight: 600; }
.drop-sub { font-size: .84rem; color: var(--ink-3); }
.tip { font-size: .85rem; color: var(--ink-3); margin: var(--s2) 0 0; max-width: 60ch; }

.legend { display: flex; align-items: center; gap: 4px; font-size: .79rem; color: var(--ink-3); margin: 0 0 var(--s2); flex-wrap: wrap; }
.dot { width: 9px; height: 9px; display: inline-block; margin-left: var(--s2); }
.legend .dot:first-child { margin-left: 0; }
.dot.eye { background: #2f6fd0; }
.dot.chin { background: #d1571f; }
.dot.crown { background: #7c3fc4; }

.editor { position: relative; }
#editor { width: 100%; height: auto; display: block; touch-action: none; background: #0f0f0c; border-radius: var(--r); }

/* --- výsledok ----------------------------------------------------------- */

.result-wrap { display: flex; gap: var(--s4); flex-wrap: wrap; align-items: flex-start; min-width: 0; }
.preview-frame { padding: 6px; background: #fff; border: 1px solid var(--rule-strong); display: inline-block; }
#preview { display: block; max-width: 180px; height: auto; }
.preview-meta { font-size: .77rem; color: var(--ink-3); margin: 10px 0 0; }

.checks { flex: 1 1 260px; min-width: 0; display: grid; gap: 2px; font-size: .87rem; }
.check { display: flex; gap: 10px; align-items: baseline; padding: 10px 12px; }
.check.ok { background: var(--ok-soft); color: var(--ok); }
.check.warn { background: var(--warn-soft); color: var(--warn); }
.check.bad { background: var(--bad-soft); color: var(--bad); }
.check .mark { font-family: var(--mono); font-weight: 700; }

/* --- okno s platbou ----------------------------------------------------- */

.pay-backdrop {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(20, 20, 15, .55);
  display: grid; place-items: center; padding: var(--s2);
  overscroll-behavior: contain;
}
.pay-modal {
  background: var(--surface); border: 1px solid var(--rule-strong); border-radius: var(--r);
  width: min(520px, 100%); max-height: min(92vh, 780px);
  display: flex; flex-direction: column;
}
.pay-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--s2) var(--s3); border-bottom: 1px solid var(--rule);
  font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-3);
}
.pay-close {
  border: 0; background: transparent; color: var(--ink-2);
  font-size: 1.5rem; line-height: 1; cursor: pointer;
  min-width: 44px; min-height: 44px;
}
.pay-close:hover { color: var(--ink); }
.pay-body { overflow-y: auto; padding: var(--s2); -webkit-overflow-scrolling: touch; }
.pay-mount { min-height: 320px; }
.pay-error { color: var(--bad); background: var(--bad-soft); padding: var(--s2); margin: 0; font-size: .9rem; }

.locked-note {
  margin-top: var(--s3); padding: 10px 12px;
  background: var(--accent-soft); border-left: 3px solid var(--accent);
  color: var(--ink-2); max-width: none;
}

.consent { margin-top: var(--s2); font-size: .85rem; color: var(--ink-2); max-width: 66ch; }
.consent label { display: flex; gap: 10px; align-items: flex-start; cursor: pointer; }
.consent input { margin-top: 3px; width: 18px; height: 18px; flex: none; accent-color: var(--accent); }
.consent.needed { color: var(--bad); }
.consent.needed input { outline: 2px solid var(--bad); outline-offset: 2px; }

.options { margin-top: var(--s3); }
.options label { font-size: .85rem; color: var(--ink-2); display: inline-flex; gap: 10px; align-items: center; }
.actions { display: flex; gap: var(--s1); flex-wrap: wrap; margin-top: var(--s3); }

/* --- stránka dokladu ---------------------------------------------------- */

.crumbs { font-size: .82rem; color: var(--ink-3); padding-top: var(--s3); display: flex; gap: 6px; }
.crumbs a { color: var(--ink-3); }
.page-doc h1, .page-about h1 { margin-top: var(--s2); }

.prose section { margin-bottom: var(--s5); }
.prose h2 { margin-top: 0; }
.prose p { color: var(--ink-2); }

blockquote {
  margin: var(--s3) 0; padding: var(--s2) 0 var(--s2) var(--s3);
  border-left: 3px solid var(--accent);
}
blockquote p { margin: 0 0 10px; color: var(--ink); font-size: .95rem; }
blockquote cite { font-size: .81rem; color: var(--ink-3); font-style: normal; }

/* --- päta -------------------------------------------------------------- */

.site-foot { padding: var(--s5) 0; background: var(--surface-2); border-top: 1px solid var(--rule); }
.foot-note { font-size: .85rem; color: var(--ink-3); max-width: 60ch; }
.foot-meta { font-size: .83rem; color: var(--ink-3); margin: 0; overflow-wrap: anywhere; }

/* --- široký obsah nesmie roztiahnuť stránku ----------------------------- */

.spec-block, .prose { overflow-x: auto; }

@media (max-width: 560px) {
  body { font-size: 16px; }
  :root { --s7: 56px; --s6: 40px; --s5: 32px; }
  /* Na 375 px je 24 px z každej strany veľa - obsahu ostane len 327 px. */
  .wrap { padding-inline: var(--s2); }

  /* Hlavička je lepkavá, takže na telefóne kradne výšku obrazovky. Odkazy
     sa skryjú - sú aj v päte a v obsahu stránky - a ostane názov a jazyk.
     Hamburger by na tri odkazy bol prehnaný. */
  .site-head nav a:not(.lang) { display: none; }
  .brand { white-space: nowrap; font-size: .98rem; }
  .head-inner { min-height: 54px; }
  .pay-backdrop { padding: var(--s1); }
  .prose, .spec-block { overflow-x: visible; }
  .tool-step { padding: var(--s2); }
  .hero-cta .btn { flex: 1 1 100%; }
  .spec-table th { width: 45%; }
  .doc-card, .price-card { padding-right: 0; }
}