/* Reset a základní styly */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Opava brand colors */
    --color-opava-red: #A31621;
    --color-opava-dark-red: #8B1219;
    --color-opava-grey: #3E3E3E;

    --color-primary: #A31621;
    --color-primary-dark: #8B1219;
    --color-secondary: #f3f2f1;
    --color-text: #0b0c0c;
    --color-text-secondary: #505a5f;
    --color-link: #0b0c0c;
    --color-link-hover: #0b0c0c;
    --color-link-visited: #0b0c0c;
    --color-focus: #ffdd00;
    --color-error: #d4351c;
    --color-success: #00703c;
    --color-border: #b1b4b6;
    --color-white: #ffffff;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --max-width: 960px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 1.1875rem;
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-white);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-focus);
    color: var(--color-text);
    padding: var(--spacing-sm);
    z-index: 1000;
}

.skip-link:focus {
    top: 0;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.header {
    background-color: var(--color-opava-red);
    padding: var(--spacing-sm) 0;
    position: relative;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.logo {
    color: var(--color-white);
    text-decoration: none;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-img {
    height: 45px;
}

.logo-text-wrapper {
    display: none;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.logo-subtitle {
    font-size: 0.875rem;
    opacity: 0.8;
}

.main-nav {
    display: none;
}

.main-nav.is-open {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-opava-dark-red);
    padding: var(--spacing-sm);
    z-index: 100;
}

.main-nav.is-open .nav-list {
    flex-direction: column;
    gap: 0;
}

.main-nav.is-open .nav-list a {
    display: block;
    padding: var(--spacing-sm);
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

@media (min-width: 768px) {
    .main-nav {
        display: block;
    }

    .main-nav.is-open {
        position: static;
        background: none;
        padding: 0;
    }

    .main-nav.is-open .nav-list,
    .nav-list {
        flex-direction: row;
        gap: var(--spacing-md);
    }

    .main-nav.is-open .nav-list a {
        border-bottom: none;
        padding: var(--spacing-xs);
    }

    .menu-toggle {
        display: none;
    }
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-list a {
    color: var(--color-white);
    text-decoration: none;
    font-size: 1rem;
    padding: var(--spacing-xs);
}

.nav-list a:visited {
    color: var(--color-white);
}

.nav-list a:hover {
    text-decoration: underline;
    text-underline-offset: 0.25em;
    color: var(--color-white);
}

.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-white);
}

/* Breadcrumbs */
.breadcrumbs {
    background-color: var(--color-secondary);
    padding: var(--spacing-sm) 0;
    font-size: 1rem;
}

.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    gap: var(--spacing-xs);
}

.breadcrumb-list li:not(:last-child)::after {
    content: "›";
    margin-left: var(--spacing-xs);
    color: var(--color-text-secondary);
}

.breadcrumb-list a {
    color: var(--color-link);
}

.breadcrumb-list a:hover {
    text-decoration: none;
}

/* Main */
.main {
    flex: 1;
    padding: var(--spacing-lg) 0 var(--spacing-xl);
}

/* Typography */
h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-link);
}

a:hover {
    color: var(--color-link-hover);
}

a:visited {
    color: var(--color-link-visited);
}

a:focus {
    outline: 3px solid var(--color-focus);
    outline-offset: 0;
    background-color: var(--color-focus);
}

/* Lists */
ul, ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

li {
    margin-bottom: var(--spacing-xs);
}

/* Lead text */
.lead {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    padding: var(--spacing-md);
    text-decoration: none;
    color: var(--color-text);
    display: block;
    transition: border-color 0.2s;
}

.card:hover {
    border-color: var(--color-primary);
}

.card:hover .card-title {
    text-decoration: underline;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-link);
    margin-bottom: var(--spacing-xs);
}

.card-description {
    color: var(--color-text-secondary);
    font-size: 1rem;
    margin: 0;
}

/* Section cards (homepage) */
.section-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

@media (max-width: 768px) {
    .section-cards {
        grid-template-columns: 1fr;
    }
}

.section-card {
    background: var(--color-secondary);
    padding: var(--spacing-lg);
    overflow: hidden;
    min-width: 100%;
}

.section-card h2 {
    margin-top: 0;
}

.section-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.section-card li {
    margin-bottom: var(--spacing-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Content page */
.content-page {
    max-width: 720px;
}

.content-page h1 {
    margin-bottom: var(--spacing-md);
}

.page-meta {
    color: var(--color-text-secondary);
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.page-content {
    font-size: 1.1875rem;
}

.page-content h2 {
    font-size: 1.5rem;
    margin-top: var(--spacing-xl);
}

.page-content h3 {
    font-size: 1.25rem;
    margin-top: var(--spacing-lg);
}

/* Related pages */
.related-pages {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.related-pages h2 {
    margin-top: 0;
}

.related-list {
    list-style: none;
    padding: 0;
}

.related-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.related-list li:last-child {
    border-bottom: none;
}

/* Index page (section listing) */
.index-list {
    list-style: none;
    padding: 0;
}

.index-list li {
    border-bottom: 1px solid var(--color-border);
}

.index-list a {
    display: block;
    padding: var(--spacing-md) 0;
    text-decoration: none;
}

.index-list a:hover .item-title {
    text-decoration: underline;
}

.item-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-link);
}

.item-description {
    color: var(--color-text-secondary);
    font-size: 1rem;
    margin-top: var(--spacing-xs);
}

/* Footer */
.footer {
    background-color: var(--color-opava-grey);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    margin-top: auto;
    color: var(--color-white);
}

.footer a {
    color: var(--color-white);
}

.footer a:visited {
    color: var(--color-white);
}

.footer a:hover {
    color: #b1b4b6;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    margin-top: 0;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    font-size: 1rem;
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.demo-note {
    margin-top: var(--spacing-xs);
    font-style: italic;
}

/* Search */
.search-box {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.search-input {
    width: 100%;
    padding: var(--spacing-sm);
    font-size: 1.1875rem;
    border: 2px solid var(--color-text);
}

.search-input:focus {
    outline: 3px solid var(--color-focus);
    outline-offset: 0;
}

/* Search suggestions dropdown */
.search-suggestions {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    border: 2px solid var(--color-text);
    border-top: none;
    max-height: 400px;
    overflow-y: auto;
    z-index: 100;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.search-suggestions.active {
    display: block;
}

.search-suggestions-header {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    background: var(--color-secondary);
    font-weight: 600;
}

.search-suggestion {
    display: block;
    padding: var(--spacing-sm);
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 1px solid var(--color-border);
}

.search-suggestion:hover,
.search-suggestion:focus {
    background: var(--color-secondary);
    color: var(--color-text);
}

.search-suggestion:visited {
    color: var(--color-text);
}

.search-suggestion-title {
    font-weight: 600;
    color: var(--color-link);
}

.search-suggestion-desc {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-top: 0.25rem;
}

/* Quick links - subtle highlight */
.section-card--quick {
    background: #e8f0f8;
    grid-column: 1 / -1;
}

.link-desc {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-left: 0.25rem;
}

.link-desc::before {
    content: "– ";
}

.button {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
    font-weight: 700;
}

.button:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
}

.button:visited {
    color: var(--color-white);
}

/* Mobile responsive */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    h1 {
        font-size: 2rem;
    }

    .header-content {
        flex-wrap: wrap;
    }
}

/* Sitemap */
.sitemap-list {
    list-style: none;
    padding: 0;
}

.sitemap-list > li {
    margin-bottom: var(--spacing-md);
}

.sitemap-list > li > a {
    font-size: 1.25rem;
    font-weight: 700;
}

.sitemap-list ul {
    list-style: none;
    padding-left: var(--spacing-lg);
    margin-top: var(--spacing-xs);
}

.sitemap-list ul li {
    margin-bottom: var(--spacing-xs);
}

/* 2. úroveň - podsekce */
.sitemap-list > li > ul > li > a {
    font-weight: 600;
}

/* 3. úroveň - stránky */
.sitemap-list > li > ul > li > ul {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.sitemap-list > li > ul > li > ul a {
    font-weight: 400;
}

/* Print styles */
@media print {
    .header, .footer, .breadcrumbs, .skip-link {
        display: none;
    }

    .main {
        padding: 0;
    }

    a {
        color: var(--color-text);
        text-decoration: underline;
    }

    a[href^="http"]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
    }
}