/* Modern Series Styles */
.series-list {
    margin-top: var(--gap-lg);
}

.series-topic {
    margin-bottom: var(--gap-xl);
    padding: var(--gap-lg);
    border-radius: var(--radius-md);
    background: var(--entry);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    transition: all var(--transition-normal);
}

.series-topic:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-hover);
}

.series-topic h2 {
    margin-top: 0;
    margin-bottom: var(--gap-md);
    font-weight: var(--font-weight-semibold);
    color: var(--primary);
    font-size: 1.5rem;
}

.series-description {
    margin-bottom: var(--gap);
    color: var(--secondary);
    line-height: 1.6;
    font-size: 1rem;
}

.series-posts {
    list-style: none;
    padding: 0;
    margin: 0;
}

.series-posts li {
    display: flex;
    align-items: center;
    padding: var(--gap-md) 0;
    border-bottom: 1px solid var(--border);
    transition: all var(--transition-normal);
}

.series-posts li:hover {
    background: var(--theme-accent);
    margin: 0 calc(-1 * var(--gap-lg));
    padding-left: var(--gap-lg);
    padding-right: var(--gap-lg);
    border-radius: var(--radius-sm);
}

.series-posts li:last-child {
    border-bottom: none;
}

.series-post-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    font-weight: var(--font-weight-semibold);
    font-size: 14px;
    margin-right: var(--gap);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.series-posts li:hover .series-post-number {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.series-more {
    padding-top: var(--gap);
    margin-top: var(--gap-sm);
}

.series-more a {
    display: inline-block;
    padding: var(--gap-sm) var(--gap);
    border-radius: var(--radius);
    background: var(--primary);
    color: var(--entry);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.series-more a:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.post-date {
    font-size: 0.9rem;
    color: var(--secondary);
    margin-left: var(--gap-md);
    font-weight: var(--font-weight-medium);
}

.series-topic-content {
    margin-top: var(--gap-lg);
}

.series-topic-posts {
    list-style: none;
    padding: 0;
    counter-reset: series-counter;
}

.series-topic-posts .series-post-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--gap);
    padding: var(--gap);
    border-radius: var(--radius);
    background: var(--entry);
    transition: all var(--transition-normal);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.series-topic-posts .series-post-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-hover);
    background: var(--entry-hover);
}

.series-topic-posts .series-post-item.current {
    border-left: 4px solid var(--accent-blue);
    background: var(--theme-accent);
}

.series-post-link {
    font-weight: var(--font-weight-medium);
    font-size: 1.1rem;
    color: var(--primary);
    transition: color var(--transition-normal);
}

.series-post-link:hover {
    color: var(--accent-blue);
}

.series-post-link.current {
  font-weight: bold;
}

/* Series Post Navigation */
.series-post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 30px 0;
}

.series-prev,
.series-next {
  display: flex;
  flex-direction: column;
  padding: 15px;
  border-radius: 5px;
  background-color: var(--entry);
  transition: transform 0.2s, box-shadow 0.2s;
}

.series-prev:hover,
.series-next:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.series-next {
  text-align: right;
}

.series-nav-label {
  font-size: 0.85em;
  color: var(--secondary);
  margin-bottom: 5px;
}

.series-post-navigation a {
  font-weight: 500;
}

@media (max-width: 600px) {
  .series-post-navigation {
    grid-template-columns: 1fr;
  }

  .series-next {
    text-align: left;
  }
}

.series-topic,
.series-topic-posts {
  a {
    box-shadow: 0px 0px 0px 0px;
  }

  .post-entry {
    margin-bottom: 10px;
  }

  .entry-hint-parent {
    display: flex;
    align-items: center;

    .badge {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: var(--primary);
      color: var(--entry);
      font-weight: bold;
      margin-right: 15px;
      flex-shrink: 0;
      font-size: 1rem;
    }
  }
}

.series-banner {
  margin: 30px 0;
  padding: 15px 20px;
  border-radius: 5px;
  background-color: var(--code-bg);
  border-left: 5px solid var(--primary);
  display: flex;
  align-items: center;
}

.series-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.series-badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 12px;
  background-color: var(--primary);
  color: white;
  font-size: 0.8em;
  font-weight: 600;
  margin-bottom: 3px;
}

.series-banner p {
  margin: 0;
  font-weight: 500;
}

.series-navigation {
  margin-top: 40px;
  margin-bottom: 30px;

  border-radius: 5px;
  background-color: var(--code-bg);

  h3 {
    margin-top: 0;
    margin-bottom: 15px;
    padding: 20px;
    border-bottom: 1px solid var(--border);
  }

  .series-posts-nav {
    list-style: none;
    padding: 20px;
    margin: 0;
  }
}

.series-post-item {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
  padding: 8px;
  border-radius: 4px;
}

.series-post-item.current {
  background-color: rgba(125, 125, 125, 0.1);
}

.series-post-number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary);
  color: var(--entry);
  font-weight: bold;
  margin-right: 15px;
  flex-shrink: 0;
}

.current-post {
  font-weight: bold;
}

.series-post-content {
  flex-grow: 1;
}

.series-post-meta {
  font-size: 0.9em;
  color: var(--secondary);
}

.post-description {
  margin-top: 5px;
}

.progress-track {
  width: 100%;
  height: 8px;
  background: var(--tertiary);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.progress-fill {
  height: 100%;
  background: var(--content);
  border-radius: 999px;
  transition: width 0.3s ease;
}

.progress-text {
  font-size: 0.875rem;
  font-weight: 600;
  text-align: right;
  color: var(--secondary);
}

.series-topic-posts {
  .entry-header h2 {
    margin: 0px auto 24px;
  }
}