:root {
  --link: #060;
  --link-hover: #080;
  --background: #fff;
  --background-highlight: #ddd;
  --text: #000;
  --text-dim: #666;
}

@media (prefers-color-scheme: dark) {
  :root {
    --link: #0b0;
    --link-hover: #0f0;
    --background: #212529;
    --background-highlight: #4d5053;
    --text: #dee2e6;
    --text-dim: #aaa;
  }
}

body {
  font: 14pt Calibri, Verdana, Geneva, sans-serif;
  color: var(--text);
  background-color: var(--background);
}

a {
  color: var(--link);

  &:hover {
    color: var(--link-hover);
  }
}

table {
  margin: 0 auto;
  border-collapse: collapse;
  table-layout: fixed;
  overflow-wrap: break-word;
  border: 1px solid var(--text);

  td,
  th {
    text-align: center;
    padding: 3px 6px;
    border: 1px solid var(--text);
  }

  time {
    display: block;
  }
}

table.lectures {
  width: 100%;
  th:nth-of-type(1) {
    width: 4em;
  }
}

table.practicals {
  width: 100%;
  th:nth-of-type(1) {
    width: 4em;
  }
}

td:has(.today) {
  background-color: var(--background-highlight);
}

.container {
  box-sizing: border-box;
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1rem;
}