/* Letecky.net — layout a stránkové komponenty. Staví na design tokenech ze styles.css. */

/* ---------- layout base ---------- */
.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 var(--space-4); }
.container-wide { max-width: 1280px; }
.skip-link { position:absolute; left:-9999px; top:0; background:var(--color-accent); color:#fff; padding:8px 14px; z-index:100; }
.skip-link:focus { left:8px; top:8px; }
body { display:flex; flex-direction:column; min-height:100vh; }
main { flex:1 0 auto; }
img { height:auto; }

/* ---------- header ---------- */
.site-header { position:sticky; top:0; z-index:50; background:var(--color-bg); }
.site-header .nav { max-width:1280px; margin:0 auto; }
.nav-brand { display:inline-flex; align-items:center; gap:8px; text-decoration:none; color:inherit; }
.nav-brand .dot { width:12px; height:12px; background:var(--color-accent); display:inline-block; }
.nav-links { display:flex; align-items:center; gap:var(--space-4); flex-wrap:wrap; }
.nav-search { margin-left:var(--space-3); }
.nav-toggle { display:none; }
.nav-search-input { min-height:34px; width:160px; }

/* ---------- footer ---------- */
.site-footer { background:var(--color-neutral-900); color:var(--color-neutral-200); margin-top:var(--space-8); }
.site-footer a { color:var(--color-neutral-200); text-decoration:none; }
.site-footer a:hover { color:#fff; text-decoration:underline; }
.footer-grid { display:grid; grid-template-columns:1.4fr repeat(3,1fr); gap:var(--space-6); padding:var(--space-8) var(--space-4); max-width:1280px; margin:0 auto; }
.footer-brand .nav-brand { color:#fff; font-size:20px; }
.footer-col h3 { color:#fff; font-size:12px; letter-spacing:.08em; text-transform:uppercase; margin-bottom:var(--space-3); }
.footer-col ul { list-style:none; margin:0; padding:0; }
.footer-col li { margin:6px 0; font-size:14px; }
.footer-bottom { border-top:1px solid var(--color-neutral-700); padding:var(--space-4); text-align:center; font-size:13px; color:var(--color-neutral-400); }

/* ---------- red band (kicker strip) ---------- */
.band { background:var(--color-accent); color:#fff; }
.band a { color:#fff; }
.band-inner { max-width:1280px; margin:0 auto; padding:var(--space-4); display:flex; align-items:center; justify-content:space-between; gap:var(--space-4); flex-wrap:wrap; }
.band h2 { font-size:22px; margin:0; }
.band p { margin:0; opacity:.92; font-size:14px; }

/* ---------- hero ---------- */
.hero { padding:var(--space-8) 0 var(--space-6); }
.hero-grid { display:grid; grid-template-columns:1.1fr .9fr; gap:var(--space-6); align-items:center; }
.hero h1 { font-size:clamp(30px,5vw,52px); letter-spacing:-.02em; }
.hero .lead { font-size:18px; max-width:52ch; }
.hero-media img { width:100%; aspect-ratio:4/3; object-fit:cover; }
.eyebrow { font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--color-accent); font-weight:800; font-family:var(--font-heading); }

/* ---------- section head ---------- */
.section { padding:var(--space-6) 0; }
.section-head { display:flex; align-items:baseline; justify-content:space-between; gap:var(--space-4); margin-bottom:var(--space-4); border-bottom:2px solid var(--color-divider); padding-bottom:var(--space-2); }
.section-head h2 { font-size:26px; }
.section-head a { font-size:14px; font-family:var(--font-heading); font-weight:600; }

/* ---------- card grid ---------- */
.grid { display:grid; gap:var(--space-4); }
.grid-3 { grid-template-columns:repeat(3,1fr); }
.grid-4 { grid-template-columns:repeat(4,1fr); }
.grid-2 { grid-template-columns:repeat(2,1fr); }
.card-link { text-decoration:none; color:inherit; display:flex; flex-direction:column; }
.card-media { aspect-ratio:16/10; overflow:hidden; margin-bottom:var(--space-2); background:var(--color-neutral-200); }
.card-media img { width:100%; height:100%; object-fit:cover; transition:transform .3s ease; }
.card-link:hover .card-media img { transform:scale(1.04); }
.card-link:hover .card-title { color:var(--color-accent); }
.card-title { font-size:17px; line-height:1.2; margin:0; }
.card-title.lg { font-size:22px; }
.card-body { margin:4px 0 0; font-size:13px; opacity:.8; }
.card-meta { margin-top:auto; padding-top:var(--space-2); }

/* rubrika tiles */
.rubriky-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:var(--space-3); }
.rubrika-tile { display:block; padding:var(--space-4); background:var(--color-surface); text-decoration:none; color:inherit; border-left:3px solid var(--color-accent); transition:background .2s; }
.rubrika-tile:hover { background:var(--color-neutral-200); }
.rubrika-tile h3 { font-size:19px; margin:0 0 4px; }
.rubrika-tile p { font-size:13px; margin:0; opacity:.75; }
.rubrika-tile .count { font-size:12px; color:var(--color-accent); font-weight:600; }

/* ---------- breadcrumb ---------- */
.breadcrumb { font-size:12px; padding:var(--space-3) 0; color:var(--text-muted,inherit); opacity:.85; }
.breadcrumb ol { list-style:none; display:flex; flex-wrap:wrap; gap:6px; margin:0; padding:0; }
.breadcrumb li::after { content:"›"; margin-left:6px; opacity:.5; }
.breadcrumb li:last-child::after { content:""; }
.breadcrumb a { text-decoration:none; }

/* ---------- article ---------- */
.article-head { padding:var(--space-4) 0 var(--space-2); }
.article-head h1 { font-size:clamp(28px,4vw,42px); max-width:22ch; }
.article-meta-row { display:flex; flex-wrap:wrap; gap:var(--space-3); font-size:13px; opacity:.75; margin:var(--space-2) 0; align-items:center; }
.article-hero { margin:var(--space-3) 0 var(--space-4); }
.article-hero img { width:100%; aspect-ratio:21/9; object-fit:cover; }
.fig-credit { font-size:11px; opacity:.6; margin-top:4px; text-align:right; }
.fig-credit a { color:inherit; }
.card-media { position:relative; }
.article-layout { display:grid; grid-template-columns:1fr 260px; gap:var(--space-8); align-items:start; }
.article-body { min-width:0; font-size:16.5px; line-height:1.62; }
.article-body h2 { font-size:26px; margin:var(--space-6) 0 var(--space-3); scroll-margin-top:80px; }
.article-body h3 { font-size:20px; margin:var(--space-4) 0 var(--space-2); scroll-margin-top:80px; }
.article-body p { margin:0 0 var(--space-3); }
.article-body .list { margin:0 0 var(--space-3) 1.2em; }
.article-body .list li { margin:4px 0; }
.article-body .fig { margin:var(--space-4) 0; }
.article-body .fig figcaption { font-size:12px; opacity:.6; margin-top:4px; }
.perex { font-size:19px; line-height:1.5; font-weight:600; margin:0 0 var(--space-4); }

/* box V kostce */
.vkostce { background:var(--color-surface); border-left:4px solid var(--color-accent); padding:var(--space-4); margin:0 0 var(--space-6); }
.vkostce h2 { font-size:13px; letter-spacing:.08em; text-transform:uppercase; color:var(--color-accent); margin:0 0 var(--space-2); }
.vkostce ul { margin:0; padding-left:1.1em; }
.vkostce li { margin:6px 0; font-size:15px; }

/* callouts */
.callout { padding:var(--space-3) var(--space-4); margin:var(--space-4) 0; background:var(--color-accent-100); border-left:3px solid var(--color-accent); }
.callout-warn { background:#fff6f4; border-left-color:var(--color-accent-700); }
.callout-tip { background:var(--color-neutral-100); border-left-color:var(--color-neutral-600); }
.callout-title { font-family:var(--font-heading); font-weight:800; font-size:14px; margin-bottom:4px; }
.callout-body { font-size:14.5px; }
.callout-body p:last-child { margin-bottom:0; }

blockquote.quote { border-left:3px solid var(--color-accent); margin:var(--space-4) 0; padding:var(--space-2) var(--space-4); font-size:18px; font-style:italic; }
.table-wrap { overflow-x:auto; margin:var(--space-4) 0; }
.table caption { text-align:left; font-size:12px; opacity:.6; padding-bottom:6px; caption-side:top; }

/* sticky TOC */
.toc { position:sticky; top:80px; font-size:13px; }
.toc h2 { font-size:11px; letter-spacing:.08em; text-transform:uppercase; opacity:.6; margin-bottom:var(--space-2); }
.toc ol { list-style:none; margin:0; padding:0; border-left:2px solid var(--color-divider); }
.toc li { margin:0; }
.toc li.h3 a { padding-left:22px; font-size:12.5px; opacity:.8; }
.toc a { display:block; padding:5px 0 5px 12px; margin-left:-2px; text-decoration:none; color:inherit; border-left:2px solid transparent; }
.toc a:hover, .toc a.active { color:var(--color-accent); border-left-color:var(--color-accent); }
.toc .aside-box { margin-top:var(--space-6); }

/* FAQ */
.faq { margin:var(--space-6) 0; }
.faq h2 { border-bottom:2px solid var(--color-divider); padding-bottom:var(--space-2); }
.faq details { border-bottom:1px solid var(--color-divider); padding:var(--space-3) 0; }
.faq summary { font-family:var(--font-heading); font-weight:600; font-size:17px; cursor:pointer; list-style:none; display:flex; justify-content:space-between; gap:var(--space-3); }
.faq summary::-webkit-details-marker { display:none; }
.faq summary::after { content:"+"; color:var(--color-accent); font-size:22px; line-height:1; }
.faq details[open] summary::after { content:"–"; }
.faq details p { margin:var(--space-2) 0 0; font-size:15px; }

/* related + tags */
.tags-row { display:flex; flex-wrap:wrap; gap:6px; margin:var(--space-4) 0; }
.tags-row a { text-decoration:none; }
.related { margin:var(--space-6) 0; }
.updated-note { font-size:12px; opacity:.6; margin-top:var(--space-6); }

/* ---------- filter bar (rubrika) ---------- */
.filter-bar { background:var(--color-surface); padding:var(--space-4); margin-bottom:var(--space-4); }
.filter-group { margin-bottom:var(--space-3); }
.filter-group:last-child { margin-bottom:0; }
.filter-group h3 { font-size:11px; letter-spacing:.08em; text-transform:uppercase; opacity:.6; margin-bottom:var(--space-2); }
.chips { display:flex; flex-wrap:wrap; gap:8px; }
.chip-btn { font-family:var(--font-body); font-size:13px; padding:5px 12px; border:1px solid var(--color-divider); background:transparent; color:inherit; cursor:pointer; text-decoration:none; display:inline-block; }
.chip-btn[aria-pressed="true"], .chip-btn.active { background:var(--color-accent); color:#fff; border-color:var(--color-accent); }
.filter-meta { display:flex; justify-content:space-between; align-items:center; margin-bottom:var(--space-3); font-size:13px; }
.empty-state { text-align:center; padding:var(--space-8); opacity:.7; }
.is-hidden { display:none !important; }

/* pagination */
.pagination { display:flex; gap:8px; justify-content:center; margin:var(--space-6) 0; }
.pagination a, .pagination span { padding:6px 12px; border:1px solid var(--color-divider); text-decoration:none; color:inherit; font-size:14px; }
.pagination .current { background:var(--color-accent); color:#fff; border-color:var(--color-accent); }

/* aside box */
.aside-box { background:var(--color-surface); padding:var(--space-4); }
.aside-box h3 { font-size:13px; letter-spacing:.06em; text-transform:uppercase; color:var(--color-accent); margin-bottom:var(--space-2); }
.aside-box ul { list-style:none; margin:0; padding:0; }
.aside-box li { margin:8px 0; font-size:14px; }
.aside-box a { text-decoration:none; }

/* ---------- interaktivní nástroje ---------- */
.tool { background:var(--color-surface); padding:var(--space-4); margin:var(--space-4) 0; }
.tool-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(160px,1fr)); gap:var(--space-3); }
.tool-out { margin-top:var(--space-4); }
.tool-out:empty { display:none; }
.tool-letter { margin-top:var(--space-4); }
.tool-letter textarea { width:100%; font-size:13px; font-family:ui-monospace,Menlo,Consolas,monospace; margin-bottom:var(--space-2); }
.tool .callout { margin:0 0 var(--space-3); }
[data-sortable] th[data-sort]:hover { color:var(--color-accent); }

/* search */
.search-result { padding:var(--space-3) 0; border-bottom:1px solid var(--color-divider); }
.search-result a { text-decoration:none; font-family:var(--font-heading); font-weight:600; font-size:18px; }
.search-result .path { font-size:12px; color:var(--color-accent); }

/* entity/profile header */
.entity-head { background:var(--color-surface); padding:var(--space-6) 0; margin-bottom:var(--space-6); }
.facts-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:var(--space-3); margin:var(--space-4) 0; }
.fact { background:var(--color-bg); padding:var(--space-3); border-top:3px solid var(--color-accent); }
.fact .k { font-size:11px; text-transform:uppercase; letter-spacing:.06em; opacity:.6; }
.fact .v { font-family:var(--font-heading); font-weight:800; font-size:22px; }

/* ---------- responsive ---------- */
@media (max-width:900px) {
  .hero-grid { grid-template-columns:1fr; }
  .article-layout { grid-template-columns:1fr; }
  .toc { position:static; display:none; }
  .grid-4 { grid-template-columns:repeat(2,1fr); }
  .grid-3 { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .rubriky-grid { grid-template-columns:repeat(2,1fr); }
}
@media (max-width:560px) {
  .nav-links { display:none; position:absolute; top:100%; left:0; right:0; flex-direction:column; align-items:flex-start; background:var(--color-bg); padding:var(--space-4); box-shadow:var(--shadow-md); }
  .nav-links.open { display:flex; }
  .nav-toggle { display:inline-flex; }
  .nav-search-input { width:100%; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns:1fr; }
  .footer-grid, .rubriky-grid { grid-template-columns:1fr; }
  .band-inner { flex-direction:column; align-items:flex-start; }
  h1 { font-size:30px; }
}

/* ---------- dark mode ---------- */
@media (prefers-color-scheme:dark) {
  :root:not([data-theme="light"]) {
    --color-bg:#161413; --color-surface:#211e1d; --color-text:#ece8e6;
    --color-divider:color-mix(in srgb,#ece8e6 22%,transparent);
    --color-neutral-100:#211e1d; --color-neutral-200:#2b2827; --color-accent-100:#2a1712;
  }
  :root:not([data-theme="light"]) .site-footer { background:#000; }
  :root:not([data-theme="light"]) .callout-warn { background:#241412; }
  :root:not([data-theme="light"]) .grayscale { filter:grayscale(1) contrast(1.05) brightness(.9); }
}