body {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Post list styling */
.post-list {
  list-style: none;
  padding: 0;
  margin-bottom: 2rem;
}

.post-item {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color-01, #e5e5e5);
}

.post-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.post-item h2 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.post-item .post-link {
  text-decoration: none;
}

.post-item .post-link:hover {
  text-decoration: underline;
}

.post-item .post-meta {
  font-size: 0.85rem;
  color: var(--post-meta-color, #666);
  display: block;
  margin-bottom: 0.5rem;
}

.post-excerpt {
  margin: 0.5rem 0;
  color: var(--post-excerpt-color, #666);
  line-height: 1.6;
}

.post-summary {
  margin: 0.5rem 0;
  color: var(--post-excerpt-color, #666);
  line-height: 1.6;
  font-weight: 500;
  padding: 0.75rem;
  background-color: var(--summary-bg, #f9f9f9);
  border-left: 4px solid var(--link-color, #0969da);
  border-radius: 4px;
}

/* Pagination styling */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 3rem 0 2rem 0;
  padding: 1.5rem;
  border-top: 1px solid var(--border-color-01, #e5e5e5);
}

.pagination .page-link {
  display: inline-block;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-color-01, #e5e5e5);
  border-radius: 4px;
  text-decoration: none;
  color: var(--link-color, #0969da);
  transition: all 0.2s ease;
  min-width: 2.5rem;
  text-align: center;
}

.pagination .page-link:hover:not(.disabled):not(.current) {
  background-color: var(--code-bg-color, #f6f8fa);
  border-color: var(--link-color, #0969da);
}

.pagination .page-link.current {
  background-color: var(--link-color, #0969da);
  color: white;
  border-color: var(--link-color, #0969da);
  cursor: default;
  font-weight: bold;
}

.pagination .page-link.disabled {
  color: var(--post-meta-color, #999);
  border-color: var(--border-color-01, #e5e5e5);
  cursor: not-allowed;
  opacity: 0.5;
}

.pagination .page-numbers {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

/* Dark mode pagination */
:root[data-theme="dark"] .pagination .page-link {
  border-color: var(--border-color, #333);
  color: var(--link-color, #58a6ff);
}

:root[data-theme="dark"] .pagination .page-link:hover:not(.disabled):not(.current) {
  background-color: var(--code-bg, #0d1117);
}

:root[data-theme="dark"] .pagination .page-link.current {
  background-color: var(--link-color, #58a6ff);
  color: #000;
  border-color: var(--link-color, #58a6ff);
  cursor: default;
  font-weight: bold;
}

:root[data-theme="dark"] .pagination .page-link.disabled {
  color: #999;
  border-color: var(--border-color, #333);
}

:root[data-theme="dark"] .post-meta,
:root[data-theme="dark"] .post-excerpt {
  color: #b0b0b0;
}

:root[data-theme="dark"] .post-summary {
  background-color: #222;
  border-left-color: var(--link-color, #58a6ff);
  color: #b0b0b0;
}

:root[data-theme="dark"] .post-item {
  border-bottom-color: var(--border-color, #333);
}

:root[data-theme="dark"] .pagination {
  border-top-color: var(--border-color, #333);
}

hr {
  margin-top: 30px;
  margin-bottom: 20px;
}

/* Post navigation links */
.post_navi {
  display: flex;
}

.post_navi-label {
  font-size: 0.8em;
  opacity: 0.5;
}

.post_navi .post_navi-item {
  padding: 0 2.2em;
  width: 50%;
  position: relative;
  color: inherit !important;
}

.post_navi .nav_prev {
  text-align: left;
}

.post_navi .nav_next {
  text-align: right;
}

.post_navi .nav_prev .post_navi-arrow {
  left: 0;
}

.post_navi .nav_next .post_navi-arrow {
  right: 0;
}

.post_navi .post_navi-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2.5em;
  opacity: 0.3;
}

/* Post filter styling */
.post-filter-container {
  margin-bottom: 2rem;
  display: flex;
  gap: 1rem;
  align-items: center;
}

.post-filter-input {
  flex: 1;
  max-width: 600px;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 2px solid var(--border-color-01, #e5e5e5);
  border-radius: 4px;
  background-color: var(--background-color, #fff);
  color: var(--text-color, #333);
  transition: border-color 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}

.post-filter-input:focus {
  outline: none;
  border-color: var(--brand-color, #2a7ae2);
  box-shadow: 0 0 0 3px rgba(42, 122, 226, 0.1);
}

.post-filter-input::placeholder {
  color: var(--post-meta-color, #999);
  opacity: 0.7;
}

.filter-result-count {
  font-size: 0.9rem;
  color: var(--post-meta-color, #666);
  white-space: nowrap;
}

.post-item.hidden {
  display: none;
}

.no-results-message {
  text-align: center;
  padding: 2rem;
  color: var(--post-meta-color, #666);
  font-size: 1.1rem;
}