:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #555555;
  --line: #cfcfcf;
  --link: #0000ee;
  --visited: #551a8b;
  --hover: #f3f3f3;
  --panel: #ffffff;
  --date-col: 170px;
  --size-col: 70px;
  --desc-col: 140px;
}

html[data-theme="dark"] {
  --bg: #0f1115;
  --text: #eceff4;
  --muted: #b7bcc8;
  --line: #3a3f48;
  --link: #8cb4ff;
  --visited: #b79bff;
  --hover: #1a1f28;
  --panel: #11151d;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Courier New", Courier, monospace;
  line-height: 1.4;
}

.container {
  width: min(980px, 96%);
  margin: 0 auto;
  padding: 16px 0 44px;
}

.site-header {
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  background: transparent;
  border: 0;
  padding: 0;
}

.nav a {
  color: var(--link);
  text-decoration: none;
  font-size: 16px;
  padding: 0;
}

.nav a:visited {
  color: var(--visited);
}

.nav a:hover {
  color: var(--text);
}

.nav a.active {
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.theme-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  color: var(--muted);
}

.theme-switch::before {
  content: "[";
}

.theme-switch::after {
  content: "]";
}

.theme-btn {
  border: 0;
  background: transparent;
  color: var(--link);
  padding: 0;
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
}

.theme-btn + .theme-btn::before {
  content: "| ";
  color: var(--muted);
}

.theme-btn:hover {
  color: var(--text);
  text-decoration: underline;
}

.theme-btn.active {
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.section {
  padding: 2px 0 10px;
  margin-bottom: 22px;
}

.section-title {
  margin: 0 0 8px;
  font-size: 32px;
  font-weight: 700;
}

.list-header {
  display: grid;
  grid-template-columns: minmax(300px, 1fr) var(--date-col) var(--size-col) var(--desc-col);
  gap: 8px;
  padding: 2px 0 6px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 4px;
}

.year-group {
  margin: 0;
}

.year-title {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
  font-weight: 700;
  display: none;
}

.item {
  display: grid;
  grid-template-columns: minmax(300px, 1fr) var(--date-col) var(--size-col) var(--desc-col);
  gap: 8px;
  align-items: start;
  border: 0;
  background: transparent;
  border-radius: 0;
  padding: 4px 0;
  margin: 0 0 3px 0;
}

.item-link {
  color: var(--link);
  text-decoration: none;
  font-size: 16px;
  font-weight: 400;
  overflow-wrap: anywhere;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.item-link:visited {
  color: var(--visited);
}

.item-link:hover {
  color: var(--text);
}

.arrow {
  display: none;
}

.item-date {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  text-align: left;
  white-space: nowrap;
  align-self: start;
}

.item-size,
.item-desc {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
}

.item-link::before {
  content: "";
  width: 20px;
  height: 22px;
  flex: 0 0 20px;
  background-image: url("https://odlinfo2.bfs.de/icons/folder.gif");
  background-repeat: no-repeat;
  background-size: 20px 22px;
}

.about-text {
  margin: 8px 0 10px;
  color: var(--muted);
  font-size: 15px;
}

.connect {
  display: block;
}

.connect a {
  display: block;
  color: var(--link);
  text-decoration: none;
  font-weight: 400;
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 3px 0;
}

.connect a:visited {
  color: var(--visited);
}

.connect a:hover {
  color: var(--text);
}

.server-footer {
  margin-top: 14px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 760px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .list-header,
  .item {
    grid-template-columns: 1fr 130px;
  }

  .list-header span:nth-child(3),
  .list-header span:nth-child(4),
  .item-size,
  .item-desc {
    display: none;
  }

  .item-date {
    text-align: left;
    font-size: 13px;
  }
}