/* Shared presentation for the CS439 topic pages. */

body {
  margin: 0;
  padding: 2rem 1rem;
  color: #1f2933;
  line-height: 1.55;
}

.course-nav,
body > nav {
  box-sizing: border-box;
  display: flex;
  gap: 1.5rem;
  width: min(100%, 68rem);
  margin: 0 auto;
  padding: 0.85rem clamp(1.25rem, 4vw, 3.5rem);
  background: #ffffff;
  border-bottom: 1px solid #d8dee4;
}

.course-nav a,
body > nav a {
  font-weight: 700;
}

.class-page {
  box-sizing: border-box;
  width: min(100%, 68rem);
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 3.5rem);
  background: #ffffff;
  border: 1px solid #d8dee4;
  box-shadow: 0 0.5rem 1.5rem rgb(0 0 0 / 18%);
}

.class-page h1 {
  margin: 0 0 2rem;
  color: #111827;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  text-align: center;
}

.class-page h2 {
  margin: 2.25rem 0 0.75rem;
  padding-bottom: 0.35rem;
  color: #1f2933;
  font-size: 1.45rem;
  border-bottom: 2px solid #bf5700;
}

.class-page p,
.class-page li {
  font-size: 1rem;
}

.class-page li + li {
  margin-top: 0.35rem;
}

.class-page img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto 0.5rem;
  border: 0;
}

.hero {
  margin-bottom: 1.5rem;
  color: #5f6b76;
  font-size: 0.9rem;
}

.hero p,
.hero span,
.hero em {
  color: inherit;
  font-size: inherit;
}

.table-scroll {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid #aeb7c2;
}

.rubric {
  width: 100%;
  min-width: 52rem;
  border-collapse: collapse;
  background: #ffffff;
}

.rubric th,
.rubric td {
  padding: 0.75rem;
  vertical-align: top;
  border: 1px solid #aeb7c2;
  font-size: 0.9rem;
}

.rubric thead th {
  background: #f1f3f5;
  text-align: center;
}

.rubric th[scope="row"] {
  width: 10rem;
  background: #f8f9fa;
  text-align: left;
}

@media (max-width: 42rem) {
  body {
    padding: 0;
  }

  .class-page {
    border-right: 0;
    border-left: 0;
    box-shadow: none;
  }
}