:root { color-scheme: light; --ink: #202124; --muted: #626870; --link: #1756a9; --rule: #d9dee5; --paper: #fff; }
* { box-sizing: border-box; }
html { scroll-padding-top: 24px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.65 Georgia, 'Times New Roman', serif; }
main { max-width: 820px; margin: 64px auto 36px; padding: 0 28px; }
h1, h2 { line-height: 1.25; font-weight: 600; }
h1 { font-size: clamp(27px, 5vw, 36px); margin: 0 0 8px; }
h2 { font-size: 24px; margin: 0 0 18px; }
p { margin: 16px 0; }
.semester { font-size: 21px; margin-top: 0; color: var(--muted); }
a { color: var(--link); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 2px solid var(--link); outline-offset: 5px; }
nav { display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 24px 0 0; }
h3 { font-size: 19px; margin: 28px 0 12px; }
details { margin-top: 24px; }
summary { cursor: pointer; color: var(--link); text-underline-offset: 3px; text-decoration: underline; }
summary:focus-visible { outline: 2px solid var(--link); outline-offset: 5px; }
.semester-plan { padding-left: 28px; }
.semester-plan li { padding: 4px 0 4px 6px; }
section { border-top: 1px solid var(--rule); margin-top: 32px; padding-top: 28px; }
.schedule-note, .calendar-note { color: var(--muted); font-size: 14px; line-height: 1.6; }
.materials a { display: block; white-space: nowrap; }
.materials a + a { margin-top: 4px; }
.recess { color: var(--muted); }
table { width: 100%; border-collapse: collapse; text-align: left; font-size: 16px; }
th, td { padding: 15px 12px; vertical-align: top; border-bottom: 1px solid var(--rule); }
th:first-child, td:first-child { padding-left: 0; }
th:last-child, td:last-child { padding-right: 0; }
thead th { padding-top: 0; }
tbody th { font-weight: normal; }
td:nth-child(2) { white-space: nowrap; }
td:nth-child(3) { width: 58%; }
.detail { display: block; margin-top: 5px; color: var(--muted); font-size: 14px; line-height: 1.5; }
.muted { color: var(--muted); }
footer { border-top: 1px solid var(--rule); margin-top: 32px; padding-top: 20px; display: flex; justify-content: space-between; color: var(--muted); font-size: 14px; }
.sr-only, .skip:not(:focus) { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip:focus { display: block; padding: 10px 28px; }
@media (max-width: 520px) {
  body { font-size: 16px; }
  main { margin-top: 32px; padding: 0 18px; }
  table { font-size: 14px; }
  th, td { padding: 12px 6px; }
  .detail { font-size: 13px; }
  td:nth-child(3) { width: auto; }
}