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;
}

.puzzle-archive {
  list-style: none;
  padding: 0;
}

.puzzle-archive li {
  margin-bottom: 0.5em;
  padding: 0.3em;
  border-bottom: 1px solid #eee;
  display: flex;
  align-items: center;
  gap: 0.5em;
}

.puzzle-date {
  color: #666;
  min-width: 120px;
}

@media screen and (max-width: 760px) {
  .puzzle-date {
    display: none;
  }
  
  .puzzle-archive li {
    padding: 0.2em;
    gap: 0.3em;
  }
}

.puzzle-status {
  padding: 0.25em 0.5em;
  border-radius: 3px;
  font-size: 0.9em;
  margin-left: auto;
}

.puzzle-status.completed {
  background-color: #e6ffe6;
  color: #006600;
  border: 1px solid #00cc00;
}

.puzzle-status.attempted {
  background-color: #fff3e6;
  color: #cc6600;
  border: 1px solid #ff9933;
}