/* List pages only - no scroll */
body:has(.content) {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

body:has(.content) > header {
  flex: 0 0 auto;
}

body:has(.content) > .main {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  align-items: center;
}

body:has(.content) > footer {
  flex: 0 0 auto;
}

.content {
  width: 100%;
  height: 100%;
  padding: 40px;
  box-sizing: border-box;
  display: flex;
  gap: 80px;
  align-items: center;
  justify-content: space-between;
}

.topics {
  font-size: clamp(1.5em, 4vw, 3em);
  max-height: 80vh;
  column-width: 300px;
  column-gap: clamp(20px, 4vw, 60px);
  column-fill: auto;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-y: auto;
  overflow-x: hidden;
}

.topics li:first-child {
  margin-top: 0;
}

.topics li:last-child {
  margin-bottom: 0;
}

.posts {
  font-size: clamp(1.2em, 3vw, 2.2em);
  text-align: right;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 0;
}

.posts:empty {
  display: none;
}

a {
  text-decoration: none;
}

.post {
  margin-bottom: 25px;
}

ul {
  list-style: none;
  margin: 0;
}

.topic a {
  position: relative;
  display: inline-block;
  color: inherit;
  text-decoration: none;
  margin-bottom: 25px;
  transition: color 0.5s ease;
}

.topic a::after {
  content: "";
  height: 2px;
  display: block;
  margin-top: 4px;
  background: currentColor;
  width: 0;
  right: 100%;
  position: absolute;
  transition:
    width 0.5s ease,
    right 0.5s ease;
}

.topic a:hover::after,
.topic a.active::after {
  width: 100%;
  right: 0;
}

body:has(#repo-list) .content,
body:has(.topics:only-child) .content {
  justify-content: flex-start;
  display: block;
}

body:has(#repo-list) .topics,
body:has(.topics:only-child) .topics {
  column-width: 350px;
  column-fill: auto;
  height: calc(100vh - 200px);
  overflow-y: hidden;
  overflow-x: auto;
  max-height: calc(100vh - 200px);
  width: 100%;
}

body:has(#repo-list) .posts {
  display: none;
}

@media (max-width: 768px) {
  body:has(.content) {
    height: auto;
    min-height: 100vh;
  }

  body:has(.content) > .main {
    display: block;
    min-height: calc(100vh - 200px);
  }

  .content {
    display: block;
    padding: 20px;
    height: auto;
  }

  .topics {
    font-size: 1.8em;
    column-count: 1;
    max-height: none;
  }

  .posts {
    font-size: 1.4em;
    margin-top: 30px;
  }

  .topic a {
    display: block;
    margin-bottom: 15px;
  }
}