/**
 * Žluté Stránky — veřejný blog
 *
 * Read-only outlet: listing, article, related. No comment or reaction styles,
 * because there are none — the absence is the design.
 */

/* ==================== HERO ==================== */

.blog-hero {
    padding-top: calc(var(--header-height, 72px) + 2.5rem);
    padding-bottom: 2.5rem;
    background: var(--color-yellow-light);
    border-bottom: 1px solid var(--color-gray-200);
}

.blog-hero-inner { max-width: 42rem; }

.blog-hero-eyebrow {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    margin-bottom: 0.875rem;
    border-radius: var(--radius-full);
    background: var(--color-black);
    color: var(--color-yellow);
    font-size: 0.75rem;
    font-weight: 800;
}

.blog-hero-title {
    font-size: clamp(1.75rem, 4.5vw, 2.75rem);
    font-weight: 900;
    line-height: 1.12;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
}

.blog-hero-title .highlight {
    background: linear-gradient(180deg, transparent 62%, var(--color-yellow) 62%);
}

.blog-hero-lead {
    font-size: 1.0625rem;
    line-height: 1.65;
    color: var(--color-gray-700);
}

.blog-search {
    display: flex;
    gap: 0.5rem;
    margin-top: 1.5rem;
    max-width: 30rem;
}

.blog-search input {
    flex: 1;
    min-width: 0;
    padding: 0.6875rem 0.875rem;
    border: 1.5px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.9375rem;
    background: var(--color-white);
}

.blog-search input:focus {
    outline: none;
    border-color: var(--color-yellow);
    box-shadow: 0 0 0 3px rgba(255, 217, 0, 0.3);
}

/* ==================== CATEGORY BAR ==================== */

.blog-cats {
    position: sticky;
    top: var(--header-height, 72px);
    z-index: 10;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-gray-200);
}

/* Scrolls horizontally on narrow screens rather than wrapping to three rows and
   pushing the articles off the first screen. */
.blog-cats-row {
    display: flex;
    gap: 0.375rem;
    padding: 0.75rem 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.blog-cats-row::-webkit-scrollbar { display: none; }

.blog-cat {
    display: inline-flex;
    align-items: center;
    gap: 0.3125rem;
    padding: 0.4375rem 0.875rem;
    border-radius: var(--radius-full);
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
    text-decoration: none;
}

.blog-cat:hover { background: var(--color-gray-200); color: var(--color-black); }
.blog-cat.is-active { background: var(--color-black); color: var(--color-white); }

.blog-cat-count {
    padding: 0 0.3125rem;
    border-radius: var(--radius-full);
    background: rgba(0, 0, 0, 0.08);
    font-size: 0.6875rem;
    font-weight: 800;
}

.blog-cat.is-active .blog-cat-count { background: rgba(255, 255, 255, 0.2); }

/* ==================== FILTER NOTE ==================== */

.blog-filter-note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin: 1.5rem 0 0;
    padding: 0.625rem 0.875rem;
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--color-gray-700);
}

.blog-filter-clear { margin-left: auto; font-weight: 700; text-decoration: underline; }

/* ==================== LEAD ==================== */

.blog-lead {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 1.75rem;
    align-items: center;
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    color: var(--color-gray-900);
    text-decoration: none;
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.blog-lead:hover { border-color: var(--color-black); transform: translateY(-2px); }

@media (max-width: 768px) {
    .blog-lead { grid-template-columns: 1fr; gap: 1rem; }
}

.blog-lead-media {
    display: block;
    aspect-ratio: 16 / 10;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-gray-100);
}

.blog-lead-media img { width: 100%; height: 100%; object-fit: cover; display: block; }

.blog-lead-body { display: flex; flex-direction: column; gap: 0.5rem; min-width: 0; }

.blog-lead-title {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.blog-lead-excerpt {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-gray-600);
}

.blog-lead-more { font-size: 0.875rem; font-weight: 700; color: var(--color-gray-900); }

/* ==================== GRID ==================== */

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
    margin: 1.5rem 0 2.5rem;
}

.blog-card {
    display: flex;
    flex-direction: column;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    color: var(--color-gray-900);
    text-decoration: none;
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.blog-card:hover { border-color: var(--color-black); transform: translateY(-2px); }

@media (prefers-reduced-motion: reduce) {
    .blog-card:hover, .blog-lead:hover { transform: none; }
}

.blog-card-media {
    position: relative;
    display: block;
    aspect-ratio: 16 / 9;
    background: var(--color-yellow-light);
    overflow: hidden;
}

.blog-card-media img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* An article without a cover gets its category icon on the brand tint. A grey
   placeholder box would read as a broken image. */
.blog-card-media-fallback {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    font-size: 2.5rem;
    opacity: 0.55;
}

.blog-card-pin {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    padding: 0.125rem 0.4375rem;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.92);
    font-size: 0.75rem;
}

.blog-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.4375rem;
    padding: 1rem 1.125rem 1.25rem;
    flex: 1;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

.blog-card-cat {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.0625rem 0.4375rem;
    border-radius: var(--radius-full);
    background: var(--color-yellow-light);
    color: #92700E;
    font-weight: 700;
}

.blog-card-title {
    font-size: 1.0625rem;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.blog-card-excerpt {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--color-gray-600);
    /* Three lines, then clipped — cards stay the same height without truncating
       mid-word in the markup. */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-foot {
    margin-top: auto;
    padding-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

/* ==================== PAGINATION ==================== */

.blog-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0 3rem;
}

.blog-page {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    background: var(--color-gray-100);
    color: var(--color-gray-800);
    font-size: 0.875rem;
    font-weight: 700;
    text-decoration: none;
}

.blog-page:hover { background: var(--color-black); color: var(--color-white); }
.blog-page-info { font-size: 0.8125rem; color: var(--color-gray-500); }

/* ==================== EMPTY ==================== */

.blog-empty { padding: 3.5rem 1.5rem; text-align: center; }
.blog-empty-icon { font-size: 2.5rem; display: block; margin-bottom: 0.75rem; opacity: 0.6; }
.blog-empty h1, .blog-empty h2 { font-size: 1.375rem; font-weight: 800; margin-bottom: 0.5rem; }
.blog-empty p { color: var(--color-gray-600); max-width: 34rem; margin: 0 auto 1.25rem; line-height: 1.6; }
.blog-empty--404 { padding-top: calc(var(--header-height, 72px) + 2.5rem); }

/* ==================== ARTICLE ==================== */

.blog-article-head {
    padding-top: calc(var(--header-height, 72px) + 2rem);
    padding-bottom: 1.5rem;
}

.blog-crumbs {
    display: flex;
    gap: 0.375rem;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-bottom: 0.875rem;
}

.blog-crumbs a { color: var(--color-gray-600); }
.blog-crumbs a:hover { color: var(--color-black); }

.blog-article-title {
    font-size: clamp(1.75rem, 4.5vw, 2.75rem);
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.03em;
    max-width: 44rem;
}

.blog-article-subtitle {
    margin-top: 0.625rem;
    font-size: 1.125rem;
    line-height: 1.55;
    color: var(--color-gray-600);
    max-width: 44rem;
}

.blog-article-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 1rem;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

.blog-article-cover {
    margin: 0 0 2rem;
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.blog-article-cover img { width: 100%; height: auto; display: block; }

/* ---- Body typography ----
   Measure capped around 68 characters: the single biggest factor in whether a
   long article gets read to the end. */
.blog-article-body {
    max-width: 42rem;
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--color-gray-800);
}

.blog-article-body > * + * { margin-top: 1.125rem; }

.blog-article-body h2 {
    margin-top: 2.25rem;
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--color-gray-900);
}

.blog-article-body h3 {
    margin-top: 1.75rem;
    font-size: 1.1875rem;
    font-weight: 800;
    color: var(--color-gray-900);
}

.blog-article-body a { color: var(--color-gray-900); text-decoration: underline; text-underline-offset: 2px; }
.blog-article-body a:hover { background: var(--color-yellow-light); }

.blog-article-body ul,
.blog-article-body ol { padding-left: 1.25rem; }
.blog-article-body li + li { margin-top: 0.375rem; }

.blog-article-body blockquote {
    margin-left: 0;
    padding: 0.875rem 1.125rem;
    background: var(--color-yellow-light);
    border-left: 4px solid var(--color-yellow);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: 1.0625rem;
}

.blog-article-body img { max-width: 100%; height: auto; border-radius: var(--radius-lg); }

.blog-article-body figure { margin: 1.75rem 0; }

.blog-article-body figcaption {
    margin-top: 0.5rem;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    text-align: center;
}

.blog-article-body hr {
    border: none;
    border-top: 1px solid var(--color-gray-200);
    margin: 2rem 0;
}

.blog-article-body code {
    padding: 0.125rem 0.3125rem;
    border-radius: 4px;
    background: var(--color-gray-100);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.9375em;
}

/* ==================== WIDGETS ==================== */

.blog-widget {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin: 1.75rem 0;
    padding: 1.125rem 1.25rem;
    border-radius: var(--radius-lg);
}

.blog-widget--callout {
    background: var(--color-yellow-light);
    border: 1px solid #FCE8A6;
}

.blog-widget--cta {
    flex-wrap: wrap;
    align-items: center;
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
}

.blog-widget--cta .btn { margin-left: auto; }

.blog-widget--link {
    display: block;
    margin: 1.25rem 0;
    padding: 0.75rem 1rem;
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
}

.blog-widget-icon { font-size: 1.375rem; flex-shrink: 0; line-height: 1.3; }
.blog-widget-text { min-width: 0; }
.blog-widget-text strong { display: block; margin-bottom: 0.25rem; font-size: 1rem; }
.blog-widget-text p { font-size: 0.9375rem; line-height: 1.6; color: var(--color-gray-700); }

.blog-widget-figure { margin: 1.75rem 0; }
.blog-widget-figure img { width: 100%; height: auto; border-radius: var(--radius-lg); display: block; }
.blog-widget-figure figcaption {
    margin-top: 0.5rem;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    text-align: center;
}

/* ==================== TAGS / SHARE ==================== */

.blog-article-tags,
.blog-share {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    max-width: 42rem;
    margin-top: 2rem;
}

.blog-article-tags-label,
.blog-share-label { font-size: 0.8125rem; color: var(--color-gray-500); font-weight: 600; }

.blog-tag {
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-full);
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    font-size: 0.8125rem;
    text-decoration: none;
}

.blog-tag:hover { background: var(--color-yellow); color: var(--color-black); }

.blog-share { margin-top: 1rem; padding-bottom: 2.5rem; }

.blog-share-btn {
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-gray-700);
    text-decoration: none;
}

.blog-share-btn:hover { border-color: var(--color-black); color: var(--color-black); }

/* ==================== RELATED / CTA ==================== */

.blog-related { padding: 2.5rem 0; background: var(--color-gray-50); }

.blog-related-title {
    font-size: 1.375rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.blog-cta {
    padding: 3rem 0;
    background: var(--color-yellow);
    color: var(--color-black);
    text-align: center;
}

.blog-cta h2 {
    font-size: clamp(1.375rem, 3vw, 2rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.blog-cta p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-800, #262626);
    max-width: 34rem;
    margin: 0 auto 1.25rem;
}

/* Inverted, as elsewhere: a yellow primary button would vanish on yellow. */
.blog-cta .btn-primary {
    background: var(--color-black);
    color: var(--color-yellow);
    border-color: var(--color-black);
}

.blog-cta .btn-primary:hover { background: var(--color-gray-900, #171717); }

/* ==================== KNIHOVNA KOMPONENT ====================
   The reusable blocks the AI assistant emits (see admin/includes/content-ai.php)
   and that editors can insert by hand. Distilled from the existing guide pages.

   These MUST be styled here as well as in the admin preview: the assistant
   produces this markup, and without matching CSS on the public site a generated
   article renders as a stack of unstyled divs — which looks like the article is
   broken rather than like the stylesheet is missing.
   ============================================================ */

.blog-article-body .article-lead {
    font-size: 1.1875rem;
    line-height: 1.65;
    color: var(--color-gray-700);
}

/* ---- Warning / tip ---- */

.blog-article-body .warning-box,
.blog-article-body .tip-box {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin: 1.75rem 0;
    padding: 1rem 1.125rem;
    border-radius: var(--radius-lg);
}

.blog-article-body .warning-box {
    background: #FEF3C7;
    border-left: 4px solid #F59E0B;
}

.blog-article-body .tip-box {
    background: #EFF6FF;
    border-left: 4px solid #3B82F6;
}

.blog-article-body .warning-box-icon,
.blog-article-body .tip-box-icon { font-size: 1.375rem; flex-shrink: 0; line-height: 1.3; }

.blog-article-body .warning-box-content,
.blog-article-body .tip-box-content { font-size: 0.9375rem; line-height: 1.6; }

.blog-article-body .warning-box-content { color: #92400E; }
.blog-article-body .tip-box-content { color: #1E40AF; }

/* ---- Checklist ---- */

.blog-article-body .checklist-fancy-items {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    margin: 1.5rem 0;
}

.blog-article-body .checklist-fancy-item {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    padding: 0.75rem 0.875rem;
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
}

.blog-article-body .checklist-fancy-item-icon {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--color-success, #10B981);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 800;
}

.blog-article-body .checklist-fancy-item-text { font-size: 0.9375rem; line-height: 1.6; }

/* ---- Steps ---- */

.blog-article-body .step {
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
    margin: 1.25rem 0;
}

.blog-article-body .step-number {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--color-yellow);
    color: var(--color-black);
    font-weight: 800;
    font-size: 0.9375rem;
}

.blog-article-body .step-content { min-width: 0; }

.blog-article-body .step-title { font-weight: 800; margin-bottom: 0.1875rem; }
.blog-article-body .step-text { font-size: 0.9375rem; line-height: 1.6; color: var(--color-gray-700); }

/* ---- Results / numbers ---- */

.blog-article-body .case-study-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.75rem;
    margin: 1.75rem 0;
}

.blog-article-body .case-study-result {
    padding: 1rem 0.75rem;
    background: var(--color-yellow-light);
    border-radius: var(--radius-lg);
    text-align: center;
}

.blog-article-body .case-study-result-value {
    font-size: 1.5rem;
    font-weight: 900;
    line-height: 1.1;
    color: var(--color-black);
}

.blog-article-body .case-study-result-label {
    font-size: 0.75rem;
    color: var(--color-gray-600);
    margin-top: 0.125rem;
}

/* ---- Type cards ---- */

.blog-article-body .type-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.875rem;
    margin: 1.75rem 0;
}

.blog-article-body .type-card {
    padding: 1.125rem;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
}

.blog-article-body .type-card-icon { font-size: 1.5rem; display: block; margin-bottom: 0.375rem; }
.blog-article-body .type-card-title { font-weight: 800; margin-bottom: 0.25rem; }
.blog-article-body .type-card-desc { font-size: 0.875rem; line-height: 1.55; color: var(--color-gray-600); }

/* ---- CTA ---- */

.blog-article-body .article-cta {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 2rem 0;
    padding: 1.25rem 1.375rem;
    background: var(--color-black);
    border-radius: var(--radius-xl);
    color: var(--color-white);
}

.blog-article-body .article-cta-text { display: flex; flex-direction: column; gap: 0.1875rem; min-width: 0; flex: 1; }
.blog-article-body .article-cta-text strong { font-size: 1.0625rem; }
.blog-article-body .article-cta-text span { font-size: 0.875rem; color: rgba(255,255,255,0.7); }

.blog-article-body .article-cta-btn {
    padding: 0.625rem 1.125rem;
    border-radius: var(--radius-md);
    background: var(--color-yellow);
    color: var(--color-black);
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
}

.blog-article-body .article-cta-btn:hover { background: var(--color-yellow-dark, #E6C200); }

/* An unfilled placeholder the assistant left behind. Visible on purpose — it
   must be impossible to publish one without noticing. */
.blog-article-body p:has(> code:only-child) { margin: 0; }