/* Kaleta – the built-in page frame (the former layout "zakladni"; Kaleta is themeless since 1.6). Colours, fonts and scales come from the design system (tokens --ka-*, Builder\DesignSystem).
 * The whole template is in the layer "sablona": builder elements, classes and their style (later layers) override it regardless of specificity.
 * Navigation on a phone via the Popover API, smooth transitions between pages (View Transitions) – no JavaScript. */

@layer tokeny, spolecne, sablona, stavitel, tridy, prvky;
@layer sablona.zaklad, sablona.rozvrzeni, sablona.prvky;

@view-transition { navigation: auto; }

@layer sablona.zaklad {
	:root {
		color-scheme: light;
		/* short names for the template; values from the design system. Colours are not here: an alias resolved on :root
		   would not follow a band that overrides a token (--ka-barva-primarni in a dark footer) – they are read where they are used */
		--pismo: var(--ka-pismo-text, system-ui, sans-serif);
		--pismo-titulky: var(--ka-pismo-titulky, var(--pismo));
		--sirka: var(--ka-sirka, 72rem);
		--sirka-textu: var(--ka-sirka-textu, 44rem);
		--mezera: var(--ka-mezera-l, 1.5rem);
		--mezera-velka: var(--ka-mezera-2xl, 4rem);
		--zaobleni: var(--ka-zaobleni, 0.75rem);
		--krok-0: var(--ka-krok-0, 1rem);
		--krok-1: var(--ka-krok-1, 1.25rem);
		--krok-2: var(--ka-krok-2, 1.5rem);
		--krok-3: var(--ka-krok-3, 2rem);
	}
	:root[data-tmavy] { color-scheme: light dark; }
	:root[data-tmavy][data-tema="tmavy"] { color-scheme: dark; }
	:root[data-tmavy][data-tema="svetly"] { color-scheme: light; }
	*, *::before, *::after { box-sizing: border-box; }
	html { -webkit-text-size-adjust: 100%; scroll-padding-top: 5rem; }
	body { margin: 0; background: var(--ka-barva-pozadi, #ffffff); color: var(--ka-barva-text, #16181d); font: var(--krok-0) / 1.6 var(--pismo); text-rendering: optimizeLegibility; }
	h1, h2, h3, h4 { margin: 0 0 0.5em; font-family: var(--pismo-titulky); line-height: 1.15; letter-spacing: -0.015em; text-wrap: balance; }
	h1 { font-size: var(--krok-3); }
	h2 { font-size: var(--krok-2); }
	h3 { font-size: var(--krok-1); }
	p, ul, ol, figure, table, blockquote { margin: 0 0 1.1em; }
	p { text-wrap: pretty; }
	a { color: var(--ka-barva-primarni, #2b5be3); text-underline-offset: 0.18em; }
	img { max-width: 100%; height: auto; }
	@media (prefers-reduced-motion: reduce) { @view-transition { navigation: none; } }
}

@layer sablona.rozvrzeni {
	.obal { width: min(100% - 2 * var(--mezera), var(--sirka)); margin-inline: auto; }
	.preskocit { position: absolute; inset-inline-start: -999px; }
	.preskocit:focus { inset-inline-start: var(--mezera); top: 0.5rem; z-index: 100; padding: 0.5rem 1rem; background: var(--ka-barva-pozadi, #ffffff); }
	#obsah:focus { outline: none; } /* the skip link's target (tabindex="-1"): it takes focus so the next Tab starts in the content; it is no control */
	/* exceptions to the opening hours (2.10, Core\Hours): a quiet bar above the header, a few days ahead until they end */
	.ka-oznameni-hodiny { background: var(--ka-barva-primarni-jemna, #eef2fd); color: var(--ka-barva-text, #16181d); border-bottom: 1px solid var(--ka-barva-linka, #dfe1e5); font-size: 0.9375rem; text-align: center; }
	.ka-oznameni-hodiny p { margin: 0 auto; padding: 0.5rem var(--mezera); max-width: var(--sirka); }

	.hlavicka { position: sticky; top: 0; z-index: 50; background: color-mix(in oklch, var(--ka-barva-pozadi, #ffffff) 88%, transparent); backdrop-filter: blur(12px); border-bottom: 1px solid var(--ka-barva-linka, #dfe1e5); }
	.hlavicka-obal { display: flex; align-items: center; justify-content: space-between; gap: var(--mezera); min-height: 4.25rem; }
	.logo { color: var(--ka-barva-text, #16181d); font: 700 var(--krok-1) / 1 var(--pismo-titulky); text-decoration: none; }
	.logo img { display: block; max-height: 2.75rem; width: auto; }
	.navigace ul { display: flex; flex-wrap: wrap; gap: 0.25rem; margin: 0; padding: 0; list-style: none; }
	.navigace a { display: block; padding: 0.5rem 0.8rem; border-radius: 999px; color: var(--ka-barva-text, #16181d); font-weight: 600; text-decoration: none; }
	.navigace a:hover { background: var(--ka-barva-plocha, #f5f6f8); }
	.navigace a[aria-current] { background: var(--ka-barva-primarni-jemna, #eef2fd); color: var(--ka-barva-primarni, #2b5be3); }
	.menu-tl { display: none; }
	/* submenu: on a computer it opens on mouse hover and on keyboard focus, on a phone it is shown indented under its item */
	.navigace li { position: relative; }
	.navigace li > .menu-skupina { display: block; border: 0; background: none; color: inherit; font: inherit; text-align: start; padding: 0.5rem 0.8rem; font-weight: 600; cursor: default; }
	/* 3.6: a submenu parent is a disclosure (Core\Menu::html) – a group is its own toggle button, a linked item has a toggle
	   next to its link; image/web.js adds aria-expanded and opens it by click, Enter or Space */
	.navigace li.podmenu { display: flex; flex-wrap: wrap; align-items: center; }
	.navigace .podmenu > .menu-skupina { border-radius: 999px; cursor: pointer; }
	.navigace .menu-rozbalit { display: grid; place-items: center; min-width: 1.75rem; min-height: 1.75rem; margin-inline-start: -0.225rem; padding: 0; border: 0; border-radius: 999px; background: none; color: inherit; font: inherit; cursor: pointer; }
	.navigace .podmenu > .menu-skupina::after, .navigace .menu-rozbalit::after { content: ""; display: inline-block; width: 0.4em; height: 0.4em; margin-inline-start: 0.45em; border: solid currentColor; border-width: 0 2px 2px 0; transform: translateY(-0.2em) rotate(45deg); }
	.navigace .menu-rozbalit::after { margin: 0; transform: translateY(-0.1em) rotate(45deg); }
	.navigace .podmenu > [aria-expanded="true"]::after { transform: translateY(0.1em) rotate(-135deg); }
	.navigace .podmenu > button:hover { background: var(--ka-barva-plocha, #f5f6f8); }
	.navigace .podmenu.aktivni > a, .navigace .podmenu.aktivni > .menu-skupina { color: var(--ka-barva-primarni, #2b5be3); }
	.navigace .podmenu > ul { display: none; position: absolute; top: 100%; inset-inline-start: 0; z-index: 60; flex-direction: column; flex-wrap: nowrap; min-width: 14rem; padding: 0.4rem; border: 1px solid var(--ka-barva-linka, #dfe1e5); border-radius: var(--zaobleni); background: var(--ka-barva-pozadi, #ffffff); box-shadow: 0 16px 40px rgb(0 0 0 / 0.14); }
	.navigace .podmenu > ul a { border-radius: calc(var(--zaobleni) / 1.5); font-weight: 500; }
	/* open: without the script on hover and keyboard focus; with it by the toggle, and on hover only for a real pointer */
	.navigace .podmenu:not(:has(> [aria-expanded])):is(:hover, :focus-within) > ul, .navigace .podmenu > [aria-expanded="true"] + ul { display: flex; }
	@media (hover: hover) { .navigace .podmenu:hover > ul { display: flex; } }
	.navigace li.podmenu.zavreno > ul { display: none; } /* Esc closed a submenu opened by the mouse (web.js) */
	/* icon before the label; a group inside a submenu = a heading with its items under it (Core\Menu::html) */
	.navigace .menu-ikona { display: inline-block; width: 1.1em; height: 1.1em; margin-inline-end: 0.45em; vertical-align: -0.2em; }
	.navigace .menu-sloupec > ul { flex-direction: column; flex-wrap: nowrap; }
	.navigace .menu-nadpis { display: block; padding: 0.5rem 0.8rem 0.2rem; color: var(--ka-barva-tlumeny, #5b5f68); font-size: 0.8em; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }

	/* phone: the navigation is a popover – the button opens it, Esc or a tap outside closes it; no script */
	@media (max-width: 767px) {
		.menu-tl { display: grid; place-items: center; width: 2.75rem; height: 2.75rem; border: 1px solid var(--ka-barva-linka, #dfe1e5); border-radius: 50%; background: var(--ka-barva-pozadi, #ffffff); color: var(--ka-barva-text, #16181d); cursor: pointer; }
		.menu-tl span, .menu-tl span::before, .menu-tl span::after { display: block; width: 1.1rem; height: 2px; background: currentColor; }
		.menu-tl span { position: relative; }
		.menu-tl span::before, .menu-tl span::after { content: ""; position: absolute; inset-inline-start: 0; }
		.menu-tl span::before { top: -6px; }
		.menu-tl span::after { top: 6px; }
		.navigace[popover] { inset: 4.5rem var(--mezera) auto; width: auto; margin: 0; padding: 0.75rem; border: 1px solid var(--ka-barva-linka, #dfe1e5); border-radius: var(--zaobleni); background: var(--ka-barva-pozadi, #ffffff); color: var(--ka-barva-text, #16181d); box-shadow: 0 20px 50px rgb(0 0 0 / 0.18); }
		.navigace[popover] ul { flex-direction: column; }
		.navigace[popover] a { padding: 0.8rem 1rem; border-radius: calc(var(--zaobleni) / 1.5); }
		.navigace[popover] .podmenu > ul { display: flex; flex-basis: 100%; position: static; min-width: 0; padding: 0; padding-inline-start: 1rem; border: 0; box-shadow: none; }
		/* 3.6: the groups are an accordion – closed, the one with the current page opened by image/web.js when the menu opens;
		   without the script every submenu stays expanded and the toggles are hidden */
		.navigace[popover] .podmenu > [aria-expanded="false"] + ul { display: none; }
		.navigace[popover] .podmenu > a, .navigace[popover] .podmenu > .menu-skupina { flex: 1; }
		.navigace[popover] .podmenu > .menu-skupina { display: flex; justify-content: space-between; align-items: center; padding: 0.8rem 0; padding-inline-start: 1rem; border-radius: calc(var(--zaobleni) / 1.5); }
		.navigace[popover] .podmenu > .menu-skupina::after { margin-inline: 0 calc(1.375rem - 0.2em); } /* 3.9.1: the arrow where a group with a page has its toggle */
		.navigace[popover] .menu-rozbalit { min-width: 2.75rem; min-height: 2.75rem; margin: 0; border-radius: calc(var(--zaobleni) / 1.5); }
		.navigace[popover] .menu-rozbalit:not([aria-expanded]), .navigace[popover] .podmenu > .menu-skupina:not([aria-expanded])::after { display: none; }
		/* keyboard: Tab past the last item – the open menu hides so it does not cover the focused element (WCAG 2.4.11), and comes back
		   when focus returns to the button or into the menu; Esc or a tap outside closes it completely */
		:root:has(:focus-visible):not(:has(.menu-tl:focus-visible, .navigace :focus-visible)) .navigace[popover]:popover-open { display: none; }
	}
	@media (min-width: 768px) {
		.navigace[popover] { display: flex; position: static; align-items: center; gap: 0.5rem; margin: 0; padding: 0; border: 0; background: none; color: inherit; overflow: visible; }
	}

	.obsah { padding-block: var(--mezera-velka); min-height: 60vh; }
	.stavba { min-height: 60vh; }
	.paticka { padding-block: var(--mezera-velka) var(--mezera); background: var(--ka-barva-plocha, #f5f6f8); border-top: 1px solid var(--ka-barva-linka, #dfe1e5); font-size: 0.95em; }
	.paticka-obal { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); gap: var(--mezera); }
	.paticka p { margin: 0.4em 0 0; color: var(--ka-barva-tlumeny, #5b5f68); }
	.paticka ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 0.3rem; }
	.paticka a { color: inherit; }
	.paticka-copy { grid-column: 1 / -1; padding-top: var(--mezera); border-top: 1px solid var(--ka-barva-linka, #dfe1e5); font-size: 0.875em; }
}

@layer sablona.prvky {
	/* page and news item: text at a comfortable line width */
	.stranka, .novinka { max-width: var(--sirka-textu); margin-inline: auto; }
	.stranka-uvod { max-width: none; }
	.stranka-uvod .text > h1:first-child { max-width: 18ch; font-size: clamp(2.5rem, 1.6rem + 4.5vw, 4.5rem); }
	.stranka-uvod .text > :where(p, ul) { max-width: var(--sirka-textu); font-size: var(--krok-1); color: var(--ka-barva-tlumeny, #5b5f68); }
	.perex { font-size: var(--krok-1); line-height: 1.5; color: var(--ka-barva-tlumeny, #5b5f68); }
	.text blockquote { margin-inline: 0; padding-inline-start: 1.2em; border-inline-start: 3px solid var(--ka-barva-primarni, #2b5be3); }
	.novinka-obrazek { margin: 0 0 1.5em; }
	.novinka-obrazek img { width: 100%; border-radius: var(--zaobleni); }
	.novinka-aktualizovano { font-size: 0.875em; color: var(--ka-barva-tlumeny, #5b5f68); }
	.novinka-stitky { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 2em; }
	.novinka-stitky a { padding: 0.25rem 0.75rem; border-radius: 999px; background: var(--ka-barva-plocha, #f5f6f8); font-size: 0.875em; text-decoration: none; }
	.souvisejici { margin-top: var(--mezera-velka); padding-top: var(--mezera); border-top: 1px solid var(--ka-barva-linka, #dfe1e5); }
	.souvisejici ul { padding-inline-start: 1.1em; }

	/* news list: cards that adapt to the width of the container (container queries), not the window */
	.vypis-hlavicka { max-width: var(--sirka-textu); margin-bottom: var(--mezera); }
	.novinky-mrizka { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 20rem), 1fr)); gap: var(--mezera); }
	.novinka-karta { container-type: inline-size; display: flex; flex-direction: column; padding: 0 0 1rem; border-radius: var(--zaobleni); background: var(--ka-barva-pozadi, #ffffff); border: 1px solid var(--ka-barva-linka, #dfe1e5); overflow: hidden; }
	.novinka-karta > :not(.novinka-karta-obrazek) { padding-inline: 1.1rem; }
	.novinka-karta-obrazek img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
	.novinka-info { margin: 1rem 0 0.4rem; font-size: 0.85em; color: var(--ka-barva-tlumeny, #5b5f68); }
	.novinka-info a { color: inherit; }
	.novinka-karta h2 { font-size: var(--krok-1); }
	.novinka-karta h2 a { color: var(--ka-barva-text, #16181d); text-decoration: none; }
	.novinka-karta h2 a:hover { color: var(--ka-barva-primarni, #2b5be3); }
	.novinka-karta .perex { font-size: 1em; }
	.novinka-karta .perex p:last-child { margin-bottom: 0; }
	@container (min-width: 34rem) {
		.novinka-karta h2 { font-size: var(--krok-2); }
	}
	.vypis-stranky { margin-bottom: var(--mezera); }
	.vypis-stranky p { margin: 0.2em 0 0.9em; color: var(--ka-barva-tlumeny, #5b5f68); font-size: 0.92em; }

	.hledani { display: flex; gap: 0.5rem; max-width: 30rem; margin: 1em 0; }
	.hledani input { flex: 1; min-width: 0; padding: 0.65rem 0.9rem; border: 1px solid var(--ka-barva-linka, #dfe1e5); border-radius: 999px; background: var(--ka-barva-pozadi, #ffffff); color: inherit; font: inherit; }
	.hledani button { padding: 0.65rem 1.2rem; border: 0; border-radius: 999px; background: var(--ka-barva-primarni, #2b5be3); color: var(--ka-barva-na-primarni, #fff); font: 600 1em var(--pismo); cursor: pointer; }
	.strankovani { display: flex; justify-content: center; align-items: center; gap: 1rem; margin-top: var(--mezera-velka); }
}