/**
 * Teklano Blog — front office styles.
 *
 * Every color/spacing/radius is a CSS custom property with a neutral
 * fallback, so any theme (any industry) can restyle the blog by overriding
 * these variables instead of touching this file.
 */
:root {
  --tkb-accent: var(--primary, #2c3e50);
  --tkb-accent-contrast: #ffffff;
  --tkb-text: var(--text-color, #222222);
  --tkb-muted: #6b7280;
  --tkb-border: #e5e7eb;
  --tkb-surface: #ffffff;
  --tkb-surface-muted: #f7f7f8;
  --tkb-radius: 8px;
  --tkb-gap: 24px;
  --tkb-font: inherit;
}

.tkb-blog-home, .tkb-blog-category, .tkb-blog-tag, .tkb-blog-author, .tkb-post {
  color: var(--tkb-text);
  font-family: var(--tkb-font);
}

.tkb-section { margin-bottom: calc(var(--tkb-gap) * 1.5); }
.tkb-section-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 16px; gap: 12px; flex-wrap: wrap; }
.tkb-section-title, .tkb-widget-title { font-size: 1.5rem; font-weight: 700; margin: 0; }
.tkb-section-see-all, .tkb-widget-see-all { color: var(--tkb-accent); text-decoration: none; font-weight: 600; white-space: nowrap; }
.tkb-section-see-all:hover, .tkb-widget-see-all:hover { text-decoration: underline; }

/* Grids */
.tkb-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--tkb-gap); }
.tkb-hero-grid { display: grid; grid-template-columns: 2fr 1fr; gap: var(--tkb-gap); }
.tkb-hero-grid .tkb-card-sm:nth-child(2), .tkb-hero-grid .tkb-card-sm:nth-child(3) { grid-column: 2; }
@media (max-width: 991px) {
  .tkb-grid { grid-template-columns: repeat(2, 1fr); }
  .tkb-hero-grid { grid-template-columns: 1fr; }
}
@media (max-width: 575px) {
  .tkb-grid { grid-template-columns: 1fr; }
}

/* Card */
.tkb-card { display: flex; flex-direction: column; background: var(--tkb-surface); border: 1px solid var(--tkb-border); border-radius: var(--tkb-radius); overflow: hidden; text-decoration: none; }
.tkb-card-media { display: block; aspect-ratio: 16 / 9; overflow: hidden; background: var(--tkb-surface-muted); }
.tkb-card-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tkb-card-media-placeholder { display: block; width: 100%; height: 100%; }
.tkb-card-body { padding: 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.tkb-card-title { margin: 0; font-size: 1.1rem; line-height: 1.3; }
.tkb-card-title a { color: var(--tkb-text); text-decoration: none; }
.tkb-card-title a:hover { color: var(--tkb-accent); }
.tkb-card-excerpt { margin: 0; color: var(--tkb-muted); font-size: 0.92rem; line-height: 1.5; }
.tkb-card-meta { margin-top: auto; display: flex; gap: 12px; font-size: 0.8rem; color: var(--tkb-muted); }
.tkb-card-lg .tkb-card-title { font-size: 1.6rem; }
.tkb-card-sm .tkb-card-body { padding: 10px 14px; }

/* Post page */
.tkb-post-header { margin-bottom: 24px; }
.tkb-post-title { font-size: 2rem; line-height: 1.2; margin: 0 0 12px; }
.tkb-post-excerpt { color: var(--tkb-muted); font-size: 1.05rem; margin: 0 0 12px; }
.tkb-post-meta { display: flex; align-items: center; gap: 16px; color: var(--tkb-muted); font-size: 0.9rem; margin-bottom: 16px; }
.tkb-post-author { display: inline-flex; align-items: center; gap: 8px; color: inherit; text-decoration: none; }
.tkb-post-author-avatar { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; }
.tkb-post-cover img { width: 100%; border-radius: var(--tkb-radius); display: block; }

.tkb-post-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: var(--tkb-gap); align-items: start; }
.tkb-post-layout:has(.tkb-toc:empty), .tkb-post-layout > .tkb-post-content:only-child { grid-template-columns: 1fr; }
@media (max-width: 900px) { .tkb-post-layout { grid-template-columns: 1fr; } }

.tkb-toc { position: sticky; top: 16px; border: 1px solid var(--tkb-border); border-radius: var(--tkb-radius); padding: 14px 16px; font-size: 0.9rem; }
.tkb-toc-title { font-weight: 700; margin: 0 0 8px; }
.tkb-toc ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.tkb-toc a { color: var(--tkb-muted); text-decoration: none; }
.tkb-toc a:hover { color: var(--tkb-accent); }
.tkb-toc-level-3 { padding-left: 12px; }

.tkb-post-content { line-height: 1.75; font-size: 1.05rem; }
.tkb-post-content > .tkb-block { margin-bottom: 22px; }
.tkb-post-content img { max-width: 100%; height: auto; border-radius: var(--tkb-radius); }
.tkb-block-heading { scroll-margin-top: 90px; }
.tkb-block-quote { border-left: 4px solid var(--tkb-accent); padding: 4px 0 4px 18px; font-style: italic; color: var(--tkb-muted); }
.tkb-block-quote cite { display: block; margin-top: 6px; font-style: normal; font-weight: 600; }
.tkb-block-gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 8px; }
.tkb-block-gallery img { width: 100%; border-radius: var(--tkb-radius); }
.tkb-video-embed { position: relative; padding-top: 56.25%; }
.tkb-video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; border-radius: var(--tkb-radius); }
.tkb-block-cta { background: var(--tkb-surface-muted); border-radius: var(--tkb-radius); padding: 20px; text-align: center; }
.tkb-cta-button, .tkb-product-card-cta { display: inline-block; margin-top: 10px; padding: 10px 20px; background: var(--tkb-accent); color: var(--tkb-accent-contrast); border-radius: var(--tkb-radius); text-decoration: none; font-weight: 600; }
.tkb-block-table table { width: 100%; border-collapse: collapse; }
.tkb-block-table th, .tkb-block-table td { border: 1px solid var(--tkb-border); padding: 8px 10px; text-align: left; }
.tkb-block-code { background: #1f2430; color: #e5e7eb; padding: 16px; border-radius: var(--tkb-radius); overflow-x: auto; }
.tkb-faq-item { border-bottom: 1px solid var(--tkb-border); padding: 12px 0; }
.tkb-faq-item summary { cursor: pointer; font-weight: 600; }
.tkb-faq-answer { margin-top: 8px; color: var(--tkb-muted); }
.tkb-block-separator { border: none; border-top: 1px solid var(--tkb-border); margin: 30px 0; }
.tkb-block-banner { position: relative; display: block; border-radius: var(--tkb-radius); overflow: hidden; text-decoration: none; color: inherit; }
.tkb-block-banner img { width: 100%; display: block; }
.tkb-banner-copy { padding: 14px 0; }
.tkb-block-product-link { font-weight: 600; }

/* Product cards used both in content blocks and related-products section */
.tkb-product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; }
.tkb-product-carousel { display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 6px; }
.tkb-product-carousel .tkb-product-card { flex: 0 0 200px; scroll-snap-align: start; }
.tkb-product-card { border: 1px solid var(--tkb-border); border-radius: var(--tkb-radius); overflow: hidden; background: var(--tkb-surface); }
.tkb-product-card-media { display: block; position: relative; aspect-ratio: 1; background: var(--tkb-surface-muted); }
.tkb-product-card-media img { width: 100%; height: 100%; object-fit: cover; }
.tkb-product-unavailable { position: absolute; top: 6px; left: 6px; background: var(--tkb-muted); color: #fff; font-size: 0.7rem; padding: 2px 6px; border-radius: 4px; }
.tkb-product-card-body { padding: 12px; }
.tkb-product-card-name { display: block; font-weight: 600; color: var(--tkb-text); text-decoration: none; margin-bottom: 6px; }
.tkb-product-card-desc { font-size: 0.85rem; color: var(--tkb-muted); }
.tkb-product-card-price { font-weight: 700; }
.tkb-product-price-old { text-decoration: line-through; color: var(--tkb-muted); font-weight: 400; margin-right: 6px; }
.tkb-product-card-large .tkb-product-card-media { aspect-ratio: 4/3; }

.tkb-post-related-products, .tkb-post-related { margin-top: 40px; }
.tkb-post-nav { display: flex; justify-content: space-between; gap: 16px; margin: 32px 0; font-weight: 600; flex-wrap: wrap; }
.tkb-post-nav a { color: var(--tkb-text); text-decoration: none; }
.tkb-post-nav a:hover { color: var(--tkb-accent); }

/* Newsletter */
.tkb-newsletter { background: var(--tkb-surface-muted); border-radius: var(--tkb-radius); padding: 24px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin: 32px 0; }
.tkb-newsletter-title { margin: 0 0 4px; font-size: 1.2rem; }
.tkb-newsletter-text { margin: 0; color: var(--tkb-muted); }
.tkb-newsletter-form { display: flex; gap: 8px; flex-wrap: wrap; }
.tkb-newsletter-form input[type=email] { padding: 10px 14px; border: 1px solid var(--tkb-border); border-radius: var(--tkb-radius); min-width: 220px; }
.tkb-newsletter-form button { padding: 10px 18px; background: var(--tkb-accent); color: var(--tkb-accent-contrast); border: none; border-radius: var(--tkb-radius); font-weight: 600; cursor: pointer; }
.tkb-newsletter-feedback { flex-basis: 100%; margin: 8px 0 0; font-size: 0.9rem; }
.tkb-visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* Author page */
.tkb-author-header { display: flex; gap: 20px; align-items: flex-start; margin-bottom: 32px; }
.tkb-author-avatar { width: 88px; height: 88px; border-radius: 50%; object-fit: cover; }
.tkb-author-name { margin: 0 0 4px; }
.tkb-author-job { color: var(--tkb-muted); margin: 0 0 8px; }
.tkb-author-social a { margin-right: 12px; color: var(--tkb-accent); text-decoration: none; font-size: 0.85rem; font-weight: 600; }

/* Pagination */
.tkb-pagination { display: flex; gap: 6px; justify-content: center; margin: 32px 0; }
.tkb-page-link { padding: 8px 14px; border: 1px solid var(--tkb-border); border-radius: var(--tkb-radius); text-decoration: none; color: var(--tkb-text); }
.tkb-page-current { background: var(--tkb-accent); color: var(--tkb-accent-contrast); border-color: var(--tkb-accent); }

.tkb-empty { color: var(--tkb-muted); padding: 24px 0; }

/* Widgets embedded on shop pages (home/product/category) */
.tkb-widget { margin: 40px 0; }
.tkb-widget-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 16px; }