/* Lessons section styles — consistent with the existing "Read Only" HTML5 UP theme */

/* Navigation bar for lessons pages */
.lessons-nav {
  background: #8ba3cb;
  color: #fff;
  padding: 0.75em 1.5em;
  font-family: "Lato", sans-serif;
  font-size: 0.9em;
}

.lessons-nav a {
  color: #fff;
  border-bottom: none;
}

.lessons-nav a:hover {
  color: #d2f2e9 !important;
  border-bottom: none;
}

/* Lessons list page */
.lessons-intro {
  font-style: italic;
  color: #aaa;
  margin-bottom: 2.25em;
}

.post-preview {
  margin-bottom: 2.25em;
  padding-bottom: 1.5em;
  border-bottom: solid 2px #f4f4f4;
}

.post-preview:last-child {
  border-bottom: none;
}

.post-preview h2 {
  margin: 0 0 0.25em;
  font-size: 1.35em;
}

.post-preview h2 a {
  border-bottom: none;
  color: #777;
}

.post-preview h2 a:hover {
  color: #8ba3cb !important;
}

.post-meta {
  color: #aaa;
  font-size: 0.85em;
  margin-bottom: 0.5em;
}

.post-excerpt {
  color: #888;
  margin-bottom: 0.5em;
}

.post-tags {
  font-size: 0.85em;
  color: #aaa;
}

.tag {
  display: inline-block;
  background: #f0f4fa;
  color: #8ba3cb;
  padding: 0.15em 0.6em;
  border-radius: 3px;
  font-size: 0.9em;
  margin-right: 0.3em;
}

/* Individual post page */
.post-page header h1 {
  color: #777;
  font-size: 2em;
  margin-bottom: 0.25em;
}

.post-page .post-meta {
  margin-bottom: 1.5em;
}

/* Reading time estimate */
.reading-time {
  color: #aaa;
  font-size: 0.85em;
  margin-bottom: 1.5em;
}

/* Post body content */
.post-body {
  line-height: 1.75em;
  color: #888;
}

.post-body hr {
  border: 0;
  border-top: 1px solid #e9e9e9;
  margin: 2.25em 0;
  position: relative;
}

.post-body hr::after {
  content: "━";
  position: absolute;
  left: 50%;
  top: -0.75em;
  transform: translateX(-50%);
  background: #fff;
  color: #c9c9c9;
  padding: 0 0.5em;
  font-size: 0.85em;
}

.post-body h2 {
  font-size: 1.5em;
  margin: 1.5em 0 0.5em;
  color: #777;
}

.post-body h2#deep-dive {
  border-left: 3px solid #e4e4e4;
  padding-left: 0.75em;
  margin-left: -0.75em;
  padding-top: 0.1em;
}

.post-body h2#deep-dive,
.post-body h2#deep-dive ~ * {
  position: relative;
}

.deep-dive-jump {
  text-align: right;
  margin: 0 0 0.75em;
  font-size: 0.82em;
}

.deep-dive-jump a,
.back-link a {
  color: #aaa;
}

.deep-dive-jump a:hover,
.back-link a:hover {
  color: #8ba3cb !important;
}

.post-body h3 {
  font-size: 1.25em;
  margin: 1.25em 0 0.5em;
  color: #777;
}

.post-body p {
  margin-bottom: 1.125em;
}

.post-body ul, .post-body ol {
  margin-bottom: 1.125em;
}

.post-body blockquote {
  font-style: italic;
  color: #999;
}

.post-body pre {
  margin-bottom: 1.5em;
}

.post-body img {
  max-width: 100%;
  border-radius: 5px;
  margin: 1em 0;
}

.post-body table {
  width: 100%;
  margin-bottom: 1.5em;
}

.post-body table th {
  color: #777;
  font-weight: 700;
  text-align: left;
  padding: 0.5em;
  border-bottom: solid 2px #e4e4e4;
}

.post-body table td {
  padding: 0.5em;
  border-bottom: solid 1px #f4f4f4;
}

/* Back link */
.back-link {
  margin-top: 3em;
  font-size: 0.9em;
}

.back-separator {
  color: #ddd;
  padding: 0 0.4em;
}

.back-link a {
  border-bottom: none;
}

/* Social share buttons */
.share-buttons {
  display: flex;
  align-items: center;
  gap: 0.5em;
  margin: 2em 0 0;
  padding-top: 1em;
}

.share-label {
  font-size: 0.85em;
  color: #aaa;
  margin-right: 0.25em;
}

.share-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2em;
  height: 2em;
  border-radius: 3px;
  font-size: 0.95em;
  font-weight: 700;
  text-decoration: none;
  border: none;
  transition: opacity 0.2s;
}

.share-button:hover {
  opacity: 0.8;
  border: none;
}

.share-button.twitter {
  background: #000;
  color: #fff !important;
}

.share-button.linkedin {
  background: #0077b5;
  color: #fff !important;
}

/* Post navigation (prev/next) */
.post-navigation {
  display: flex;
  justify-content: space-between;
  margin-top: 3em;
  padding-top: 1.5em;
  border-top: solid 2px #f4f4f4;
  font-size: 0.9em;
}

.post-navigation a {
  border-bottom: none;
}

.post-navigation .prev {
  text-align: left;
}

.post-navigation .next {
  text-align: right;
}

/* RSS link */
.rss-link {
  margin-top: 2em;
  font-size: 0.85em;
}

.rss-link a {
  border-bottom: none;
  color: #aaa;
}

.rss-link a:hover {
  color: #8ba3cb !important;
}

/* Responsive */
@media screen and (max-width: 736px) {
  .lessons-nav {
    padding: 0.5em 1em;
    font-size: 0.85em;
  }

  .post-page header h1 {
    font-size: 1.5em;
  }

  .post-preview h2 {
    font-size: 1.15em;
  }

  .post-body {
    font-size: 0.95em;
  }

  .post-body h2 {
    font-size: 1.3em;
  }

  .post-body h3 {
    font-size: 1.1em;
  }

  .post-navigation {
    flex-direction: column;
    gap: 0.5em;
  }

  .post-navigation .next {
    text-align: left;
  }
}