/* ===== PTCZ V4 ARTICLE — Layout + Typography =====
   Závislosti: design-system-v1.css (komponenty), custom.css (global overrides)
   Obsah:
     1. Reading progress bar
     2. Container + dvousloupcový layout
     3. Article header (bannerpodstrany)
     4. Content typography
     5. CTA blok
     6. Quick Facts / FAQ
     7. TOC sidebar
     8. Obrázky
     9. Itinerář + karty
    10. Tabulka wrapper
    11. Mobile sticky CTA
    12. Responsive breakpoints
   Přidáno: 2026-04-23 | Aktualizováno: 2026-04-27
   ================================================ */

/* ============================================================
   1. READING PROGRESS BAR
   ============================================================ */

#ptcz-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: var(--ptcz-navy, #1c1c2e);
    z-index: 9999;
    transition: width 0.08s linear;
    pointer-events: none;
}

/* ============================================================
   2. CONTAINER + DVOUSLOUPCOVÝ LAYOUT
   ============================================================ */

/* Sjednoceno na 1140px jako zbytek webu */
.ptcz-v4 .blog-body > .container {
    max-width: 1140px;
}

.ptcz-v4-wrap {
    display: flex;
    gap: 48px;
    align-items: flex-start;
}

/* Přebít custom.css !important centering (.blog-content { max-width:780px; margin:auto !important }) */
.ptcz-v4 .blog-content {
    flex: 1 1 0;
    min-width: 0;
    max-width: 780px;
    margin-left: 0 !important;
    margin-right: 0 !important;
}

/* ============================================================
   3. ARTICLE HEADER (bannerpodstrany)
   ============================================================ */

/* padding-top záměrně bez override — 100px z custom.css kryje fixní navigaci (~80px) */
.ptcz-v4 .bannerpodstrany {
    padding-bottom: 28px !important;
    border-bottom: 1px solid var(--ptcz-border, #E5E7EB);
}

/* Sjednotit šířku s blog-body containerem */
.ptcz-v4 .bannerpodstrany .container {
    max-width: 1140px;
}

/* Přebít custom.css !important centering na .col-12.text-left */
.ptcz-v4 .bannerpodstrany .col-12.text-left {
    max-width: none !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
}

/* Breadcrumbs */
.ptcz-v4 .ptcz-breadcrumbs ol {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0;
    list-style: none;
    padding: 0;
    margin: 0 0 10px;
    font-size: 0.8125rem;
    color: var(--ptcz-text-muted, #6b7280);
}

.ptcz-v4 .ptcz-breadcrumbs li {
    display: flex;
    align-items: center;
}

.ptcz-v4 .ptcz-breadcrumbs li:not(:last-child)::after {
    content: '/';
    opacity: 0.35;
    margin: 0 7px;
}

.ptcz-v4 .ptcz-breadcrumbs a {
    color: var(--ptcz-text-muted, #6b7280);
    text-decoration: none;
    transition: color 0.14s;
}

.ptcz-v4 .ptcz-breadcrumbs a:hover {
    color: var(--ptcz-navy, #1c1c2e);
    text-decoration: underline;
}

.ptcz-v4 .ptcz-breadcrumbs [aria-current="page"] {
    color: var(--ptcz-text-light, #9ca3af);
}

/* Blog meta — datum, kategorie, reading time */
.ptcz-v4 .blog-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 16px;
    font-size: 0.8125rem;
    color: var(--ptcz-text-muted, #6b7280);
    margin-bottom: 14px;
}

.ptcz-v4 .blog-meta .blog-cat {
    font-weight: 600;
    color: var(--ptcz-navy, #1c1c2e);
    letter-spacing: 0.02em;
}

/* H1 — !important nutné kvůli typography.css s CSS vars + !important na mobile breakpointech */
.ptcz-v4 .bannerpodstrany h1 {
    font-size: clamp(1.75rem, 3.5vw, 2.625rem) !important;
    font-weight: 800 !important;
    line-height: 1.18 !important;
    color: var(--ptcz-text, #1a1a1a) !important;
    margin: 0 !important;
    max-width: 100% !important;
    letter-spacing: -0.02em !important;
    text-transform: none !important;
}

/* ============================================================
   4. CONTENT TYPOGRAPHY
   ============================================================ */

.ptcz-v4 .blog-content {
    font-size: 1.0625rem;   /* 17px */
    line-height: 1.78;
    color: var(--ptcz-text, #1a1a1a);
}

.ptcz-v4 .blog-content h2 {
    font-size: clamp(1.25rem, 2.5vw, 1.5625rem);
    font-weight: 700;
    line-height: 1.28;
    color: var(--ptcz-text, #1a1a1a);
    margin: 2.75rem 0 0.875rem;
    letter-spacing: -0.015em;
}

.ptcz-v4 .blog-content h2:first-child {
    margin-top: 0.5rem;
}

.ptcz-v4 .blog-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.35;
    color: var(--ptcz-text, #1a1a1a);
    margin: 2rem 0 0.625rem;
    letter-spacing: -0.01em;
}

.ptcz-v4 .blog-content p {
    margin: 0 0 1.25rem;
}

.ptcz-v4 .blog-content ul,
.ptcz-v4 .blog-content ol {
    margin: 0 0 1.375rem;
    padding-left: 1.5rem;
}

.ptcz-v4 .blog-content li {
    margin-bottom: 0.5rem;
    line-height: 1.68;
}

/* Inline linky */
.ptcz-v4 .blog-content a:not(.ptcz-btn) {
    color: var(--ptcz-navy, #1c1c2e);
    text-decoration: underline;
    text-decoration-color: rgba(28, 28, 46, 0.28);
    text-underline-offset: 3px;
    transition: text-decoration-color 0.14s;
}

.ptcz-v4 .blog-content a:not(.ptcz-btn):hover {
    text-decoration-color: var(--ptcz-navy, #1c1c2e);
}

.ptcz-v4 .blog-content strong,
.ptcz-v4 .blog-content b {
    font-weight: 700;
    color: var(--ptcz-text, #1a1a1a);
}

.ptcz-v4 .blog-content hr {
    border: none;
    border-top: 1px solid var(--ptcz-border, #E5E7EB);
    margin: 2.5rem 0;
}

.ptcz-v4 .blog-content blockquote {
    border-left: 3px solid var(--ptcz-navy, #1c1c2e);
    margin: 1.75rem 0;
    padding: 0.75rem 1.25rem;
    background: var(--ptcz-bg-light, #F7F8FA);
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: var(--ptcz-text-muted, #555);
}

/* Tabulky v obsahu (bez .pt-table-scroll wrapperu) */
.ptcz-v4 .blog-content table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
    margin: 1.75rem 0;
}

.ptcz-v4 .blog-content th {
    background: var(--ptcz-navy, #1c1c2e);
    color: #fff;
    font-weight: 600;
    padding: 10px 14px;
    text-align: left;
    font-size: 0.8125rem;
    letter-spacing: 0.02em;
}

.ptcz-v4 .blog-content td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--ptcz-border, #E5E7EB);
    vertical-align: top;
}

.ptcz-v4 .blog-content tr:last-child td {
    border-bottom: none;
}

.ptcz-v4 .blog-content tr:nth-child(even) td {
    background: var(--ptcz-bg-light, #F7F8FA);
}

/* ============================================================
   5. CTA BLOK
   !important nutné — design-system + custom.css přidávají border-left
   ============================================================ */

.ptcz-v4 .blog-content .ptcz-cta-block {
    border-left: none !important;
    border: 1px solid var(--ptcz-border, #E5E7EB) !important;
    border-radius: 12px !important;
    background: var(--ptcz-bg-light, #F7F8FA) !important;
    padding: 2rem !important;
    margin: 2.5rem 0 !important;
    text-align: center !important;
}

/* ============================================================
   6. QUICK FACTS + FAQ
   ============================================================ */

.ptcz-v4 .blog-content .ptcz-quick-facts {
    border-radius: 12px;
    margin: 0 0 2rem;
}

/* V4: Quick Facts — 1 sloupec, menší padding aby položky seděly s nadpisem */
.ptcz-v4 .blog-content .ptcz-quick-facts {
    padding: 1.25rem 1.25rem 1rem;
}

.ptcz-v4 .blog-content .ptcz-quick-facts ul {
    grid-template-columns: 1fr !important;
    gap: 0.15rem;
    padding: 0;
    margin: 0 !important;
}

.ptcz-v4 .blog-content .ptcz-quick-facts ul li {
    padding: 0.2rem 0;
    border-bottom: none;
    font-size: 0.9375rem;
    align-items: baseline;
}

.ptcz-v4 .blog-content .ptcz-quick-facts ul li strong {
    min-width: 150px;
    flex-shrink: 0;
}

.ptcz-v4 .blog-content .ptcz-faq details {
    border-bottom: 1px solid var(--ptcz-border, #E5E7EB);
}

.ptcz-v4 .blog-content .ptcz-faq details:first-of-type {
    border-top: 1px solid var(--ptcz-border, #E5E7EB);
}

.ptcz-v4 .blog-content .ptcz-faq summary {
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 9px 0;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    color: var(--ptcz-text, #1a1a1a);
}

.ptcz-v4 .blog-content .ptcz-faq summary::-webkit-details-marker {
    display: none;
}

.ptcz-v4 .blog-content .ptcz-faq summary::after {
    content: '+';
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--ptcz-text-muted, #6b7280);
    flex-shrink: 0;
}

.ptcz-v4 .blog-content .ptcz-faq details[open] summary::after {
    content: '−';
}

.ptcz-v4 .blog-content .ptcz-faq details p {
    padding-bottom: 14px;
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--ptcz-text-muted, #555);
}

/* ============================================================
   7. TOC SIDEBAR
   CSS position:sticky záměrně NENÍ — html{overflow-x:hidden} ho blokuje.
   Sticky řídí JS initTocSticky() ve v4-article.js.
   ============================================================ */

.ptcz-v4-wrap .ptcz-toc {
    flex: 0 0 240px;
    width: 240px;
    margin: 0;
    margin-left: auto; /* přilepí TOC k pravé hraně wrapperu */
    align-self: flex-start;
    /* Vizuální styl */
    background: #fff;
    border: 1px solid var(--ptcz-border, #E5E7EB);
    border-radius: 10px;
    padding: 0;
    overflow: hidden;
}

.ptcz-v4-wrap .ptcz-toc-title {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ptcz-text-muted, #555);
    padding: 14px 18px 11px;
    margin: 0;
    border-bottom: 1px solid var(--ptcz-border, #E5E7EB);
}

.ptcz-v4-wrap .ptcz-toc ul,
.ptcz-v4-wrap .ptcz-toc ol {
    list-style: none;
    padding: 8px 0;
    margin: 0;
}

.ptcz-v4-wrap .ptcz-toc li {
    margin: 0;
    line-height: 1.4;
}

.ptcz-v4-wrap .ptcz-toc li a {
    display: block;
    padding: 6px 18px;
    font-size: 0.8125rem;
    color: var(--ptcz-text-muted, #6b7280);
    text-decoration: none;
    border-left: 2px solid transparent;
    transition: background 0.14s, color 0.14s, border-color 0.14s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ptcz-v4-wrap .ptcz-toc li a:hover {
    background: rgba(28, 28, 46, 0.045);
    color: var(--ptcz-navy, #1c1c2e);
    text-decoration: none;
    border-left-color: var(--ptcz-border, #E5E7EB);
}

/* H3 položky — odsazené, menší */
.ptcz-v4-wrap .ptcz-toc li.ptcz-toc-h3 a {
    padding-left: 30px;
    font-size: 0.75rem;
    color: var(--ptcz-text-light, #9ca3af);
}

.ptcz-v4-wrap .ptcz-toc li.ptcz-toc-h3 a:hover {
    color: var(--ptcz-navy, #1c1c2e);
}

/* Active stav — background highlight */
.ptcz-v4-wrap .ptcz-toc a.active {
    background: rgba(28, 28, 46, 0.07);
    color: var(--ptcz-navy, #1c1c2e) !important;
    font-weight: 600;
    border-left: 2px solid var(--ptcz-navy, #1c1c2e) !important;
    padding-left: 16px !important;
    margin-left: 0 !important;
}

.ptcz-v4-wrap .ptcz-toc li.ptcz-toc-h3 a.active {
    padding-left: 28px !important;
}

/* ============================================================
   ARTICLE HERO IMAGE — single.php, V4 i klasické články
   ============================================================ */

.ptcz-article-hero {
    background: #fff;
    margin-bottom: 0;
}

.ptcz-article-hero .container {
    max-width: 1140px;
    padding-top: 0;
    padding-bottom: 0;
}

.ptcz-article-hero__img {
    width: 100%;
    max-height: 480px;
    object-fit: cover;
    display: block;
    border-radius: 0;
}

@media (min-width: 768px) {
    .ptcz-article-hero {
        padding: 0 0 4px;
    }
    .ptcz-article-hero__img {
        max-height: 520px;
        border-radius: 8px;
    }
}

/* Pokud je hero foto přítomno, bannerpodstrany nemá border-bottom */
article:has(.ptcz-article-hero) .bannerpodstrany {
    border-bottom: none !important;
    padding-bottom: 16px !important;
}

/* ============================================================
   8. OBRÁZKY
   ============================================================ */

.ptcz-v4 .blog-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
}

.ptcz-v4 .blog-content figure {
    margin: 1.75rem 0;
}

.ptcz-v4 .blog-content figcaption {
    font-size: 0.8125rem;
    color: var(--ptcz-text-muted, #6b7280);
    margin-top: 8px;
    text-align: center;
    font-style: italic;
}

/* Asymmetric figure breakout — pouze LEFT */
@media (min-width: 900px) {
    .ptcz-v4 .blog-content .ptcz-article-figure.breakout-left {
        margin-left: -80px;
        max-width: calc(100% + 80px);
    }
}

/* ============================================================
   9. ITINERÁŘ + KARTY (.ptcz-itinerary, .ptcz-card)
   ============================================================ */

/* Itinerary wrap — mezera mezi kartami */
.ptcz-v4 .blog-content .ptcz-itinerary {
    margin-bottom: 1rem;
}

.ptcz-v4 .blog-content .ptcz-itinerary:last-child {
    margin-bottom: 0;
}

/* Nadpisy uvnitř itinerary karet — bez margin-top */
.ptcz-v4 .blog-content .ptcz-itinerary h3,
.ptcz-v4 .blog-content .ptcz-itinerary-wrap h3 {
    margin-top: 0 !important;
    margin-bottom: 0.5rem !important;
}

/* Poslední odstavec v boxech nemá bottom margin — box se jinak zbytečně natahuje */
.ptcz-v4 .blog-content .ptcz-itinerary p:last-child,
.ptcz-v4 .blog-content .ptcz-itinerary-wrap p:last-child,
.ptcz-v4 .blog-content .ptcz-card p:last-child,
.ptcz-v4 .blog-content .ptcz-cta-block p:last-child,
.ptcz-v4 .blog-content .ptcz-quick-facts p:last-child {
    margin-bottom: 0 !important;
}

/* Prázdné odstavce kdekoliv v obsahu článku — wpautop artefakty */
.ptcz-v4 .blog-content p:empty {
    display: none;
    margin: 0;
}

/* Poslední odstavec v jakémkoliv bloku nemá bottom margin (obecné pravidlo) */
.ptcz-v4 .blog-content [class*="ptcz-"] p:last-child,
.ptcz-v4 .blog-content [class*="ptcz-"] > p:last-child {
    margin-bottom: 0 !important;
}

/* Karty obecně (.ptcz-card) — kompaktnější než design-system default */
.ptcz-v4 .blog-content .ptcz-card {
    border: 1px solid var(--ptcz-border, #E5E7EB);
    border-radius: 10px;
    box-shadow: none;
    margin-bottom: 1rem;
    transition: box-shadow 0.2s, border-color 0.2s;
}

.ptcz-v4 .blog-content .ptcz-card:hover {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
    border-color: #d1d5db;
    transform: none;
}

.ptcz-v4 .blog-content .ptcz-card__body {
    padding: 1.25rem 1.5rem;
}

.ptcz-v4 .blog-content .ptcz-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    color: var(--ptcz-text, #1a1a1a);
}

.ptcz-v4 .blog-content .ptcz-card p {
    font-size: 0.9375rem;
    line-height: 1.65;
    color: var(--ptcz-text-muted, #555);
    margin: 0;
}

/* ============================================================
   10. TABULKA WRAPPER (.pt-table-scroll)
   Design-system přidává border + border-radius na wrapper.
   V V4 kontextu border odstraňujeme — tabulka má vlastní border.
   ============================================================ */

.ptcz-v4 .blog-content .pt-table-scroll {
    border: none !important;
    border-radius: 0 !important;
    margin: 1.75rem 0 !important;
}

.ptcz-v4 .blog-content .pt-table-scroll table {
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--ptcz-border, #E5E7EB);
}

/* ============================================================
   11. MOBILE STICKY CTA BAR
   ============================================================ */

.ptcz-sticky-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 500;
    background: var(--ptcz-navy, #1c1c2e);
    padding: 12px 20px;
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.18);
    justify-content: center;
    align-items: center;
    gap: 12px;
}

.ptcz-sticky-cta.is-visible {
    display: flex;
}

.ptcz-sticky-cta .ptcz-btn {
    font-size: 0.875rem;
    padding: 10px 22px;
    min-height: 44px;   /* WCAG touch target */
}

/* ============================================================
   12. RESPONSIVE BREAKPOINTS
   ============================================================ */

/* ≤1100px — TOC skrýt, obsah na plnou šířku */
@media (max-width: 1100px) {
    .ptcz-v4-wrap .ptcz-toc {
        display: none;
    }

    .ptcz-v4 .blog-content {
        max-width: none;
    }

    .ptcz-v4-wrap {
        display: block;
    }
}

/* ≤900px — menší font a méně mezer */
@media (max-width: 900px) {
    .ptcz-v4 .blog-content {
        font-size: 1rem;
        line-height: 1.72;
    }

    .ptcz-v4 .blog-content h2 {
        margin-top: 2rem;
    }

    .ptcz-v4 .blog-content h3 {
        margin-top: 1.5rem;
    }

    .ptcz-v4 .blog-content .ptcz-cta-block {
        padding: 1.5rem !important;
    }
}

/* ≤768px — mobile layout */
@media (max-width: 768px) {
    .ptcz-v4 .blog-body > .container {
        padding-left: 16px;
        padding-right: 16px;
    }

    .ptcz-v4 .bannerpodstrany h1 {
        font-size: 1.625rem !important;
        letter-spacing: -0.015em !important;
    }

    .ptcz-v4 .blog-content {
        font-size: 1rem;
    }

    .ptcz-v4 .blog-content h2 {
        font-size: 1.25rem;
        margin-top: 1.75rem;
    }

    .ptcz-v4 .blog-content h3 {
        font-size: 1.0625rem;
    }

    .ptcz-v4 .blog-content .ptcz-cta-block {
        padding: 1.25rem 1rem !important;
        margin: 2rem 0 !important;
        border-radius: 10px !important;
    }

    /* CTA tlačítka — přirozená šířka, vycentrovaná rodičem (text-align:center na bloku)
       Přebíjí design-system rule: .ptcz-cta-block .ptcz-btn { width: 100% } */
    .ptcz-v4 .blog-content .ptcz-cta-block .ptcz-btn {
        width: auto !important;
        max-width: 90%;
        display: inline-block !important;
    }

    .ptcz-sticky-cta.is-visible {
        display: flex;
    }
}

/* ≤720px — tabulky jako stacked cards */
@media (max-width: 720px) {
    .ptcz-v4 .blog-content table.ptcz-comparison-table {
        display: block;
        border: none;
    }

    .ptcz-v4 .blog-content table.ptcz-comparison-table thead {
        display: none;
    }

    .ptcz-v4 .blog-content table.ptcz-comparison-table tbody,
    .ptcz-v4 .blog-content table.ptcz-comparison-table tr,
    .ptcz-v4 .blog-content table.ptcz-comparison-table td {
        display: block;
        width: 100%;
    }

    .ptcz-v4 .blog-content table.ptcz-comparison-table tr {
        background: #fff;
        border: 1px solid var(--ptcz-border, #E5E7EB);
        border-radius: 8px;
        margin-bottom: 12px;
        padding: 8px 0;
    }

    .ptcz-v4 .blog-content table.ptcz-comparison-table td {
        border: none;
        padding: 6px 16px;
        font-size: 0.875rem;
    }

    .ptcz-v4 .blog-content table.ptcz-comparison-table td[data-label]::before {
        content: attr(data-label) ': ';
        font-weight: 700;
        color: var(--ptcz-navy, #1c1c2e);
    }
}

/* ≤400px — velmi malé mobily */
@media (max-width: 400px) {
    .ptcz-v4 .bannerpodstrany h1 {
        font-size: 1.4375rem !important;
    }
}