:root {
  color-scheme: dark;
  --bg: #11110f;
  --surface: #151512;
  --raised: #1b1b17;
  --rule: #37372e;
  --accent: #ffad32;
  --text: #f4f1e8;
  --muted: #b7b2a5;
  --onaccent: #16130d;
  --mono: ui-monospace, SFMono-Regular, Consolas, monospace;
  --serif: Charter, "Bitstream Charter", Georgia, serif;
}
html[data-theme="light"] {
  color-scheme: light;
  --bg: #f6f2e8;
  --surface: #efeadc;
  --raised: #e8e1d1;
  --rule: #c6bdab;
  --accent: #895414;
  --text: #252219;
  --muted: #62594a;
  --onaccent: #fff8ed;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 18px/1.65 var(--serif);
}
a {
  color: var(--accent);
  text-underline-offset: 4px;
}
button,
input,
textarea,
select {
  font: 14px/1.5 var(--mono);
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 3px;
}
button,
.button {
  padding: 11px 18px;
  min-height: 44px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font: 14px/1.5 var(--mono);
  color: var(--text);
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--surface);
}
button:hover,
.button:hover {
  background: var(--raised);
  border-color: var(--accent);
}
.primary {
  background: var(--accent);
  color: var(--onaccent);
  border-color: var(--accent);
}
.primary:hover {
  background: var(--accent);
  filter: brightness(1.08);
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
header {
  min-height: 64px;
  display: flex;
  align-items: center;
  padding: 0 28px;
  border-bottom: 1px solid var(--rule);
  gap: 32px;
  font: 14px/1.5 var(--mono);
}
header a {
  text-decoration: none;
  color: var(--muted);
}
.brand {
  font-size: 21px;
  color: var(--text);
  white-space: nowrap;
}
header nav {
  display: flex;
  align-self: stretch;
  gap: 24px;
}
header nav a {
  display: flex;
  align-items: center;
  border-bottom: 3px solid transparent;
}
header nav a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 14px;
}
.header-actions button {
  border: 0;
  background: none;
  padding: 8px;
}
.columns {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr) 270px;
  min-height: calc(100vh - 64px);
}
main {
  padding: 32px;
  min-width: 0;
}
main.wide {
  max-width: 1200px;
  margin: 0 auto;
}
main.reading {
  max-width: 900px;
  margin: 0 auto;
}
.rail {
  padding: 28px 0;
  border-right: 1px solid var(--rule);
  background: var(--surface);
}
.rail h2,
.rail > p {
  padding: 0 24px;
}
.rail h2,
.summary h2 {
  font-size: 17px;
}
.rail nav a {
  display: flex;
  gap: 16px;
  padding: 12px 24px;
  color: var(--muted);
  text-decoration: none;
  font: 13px/1.5 var(--mono);
  border-left: 3px solid transparent;
}
.rail nav a.active {
  color: var(--accent);
  background: var(--raised);
  border-left-color: var(--accent);
}
.rail nav a:hover {
  color: var(--text);
  background: var(--raised);
}
.summary {
  padding: 28px;
  border-left: 1px solid var(--rule);
  font-size: 16px;
}
.summary section {
  margin: 0 0 26px;
  padding: 0 0 24px;
}
.summary section:last-child {
  border-bottom: 0;
}
.summary p {
  margin: 12px 0;
}
h1,
h2,
h3,
summary {
  font-family: var(--mono);
  font-weight: 400;
  line-height: 1.3;
  overflow-wrap: anywhere;
}
h1 {
  font-size: 42px;
  letter-spacing: -1.5px;
  margin: 14px 0 20px;
}
h2 {
  font-size: 23px;
  margin: 0 0 18px;
}
h3 {
  font-size: 20px;
  margin: 8px 0 14px;
}
.lede {
  font-size: 23px;
  line-height: 1.5;
  margin: 0 0 30px;
}
.eyebrow,
.meta,
.muted {
  color: var(--muted);
}
.eyebrow,
.meta {
  font: 13px/1.6 var(--mono);
}
.eyebrow {
  margin: 0;
}
.tabs {
  display: flex;
  gap: 24px;
  border-bottom: 1px solid var(--rule);
  margin: 28px 0 32px;
  overflow: auto;
  font: 15px/1.5 var(--mono);
}
.tabs a {
  white-space: nowrap;
  color: var(--muted);
  text-decoration: none;
  padding: 14px 3px;
  border-bottom: 3px solid transparent;
}
.tabs .active {
  color: var(--accent);
  border-color: var(--accent);
}
.tabs small {
  font-size: 12px;
  margin-left: 7px;
}
section {
  border-bottom: 1px solid var(--rule);
  padding-bottom: 26px;
  margin-bottom: 28px;
}
p {
  overflow-wrap: anywhere;
}
.activity-preview {
  border: 1px solid var(--rule);
  padding: 22px;
  margin: 20px 0;
  background: var(--surface);
  border-radius: 3px;
}
.activity-preview p {
  margin: 10px 0 18px;
}
.actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin: 20px 0;
}
.actions a:not(.button) {
  font: 13px/1.6 var(--mono);
}
label {
  display: block;
  margin: 14px 0;
  font-family: var(--mono);
  font-size: 14px;
}
label.check {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font: 18px/1.6 var(--serif);
  padding: 14px 0;
  margin: 0;
  border-bottom: 1px solid var(--rule);
}
input[type="checkbox"],
input[type="radio"] {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 5px;
  accent-color: var(--accent);
}
input:not([type="checkbox"]):not([type="radio"]),
textarea,
select {
  width: 100%;
  display: block;
  padding: 12px;
  margin-top: 8px;
  min-height: 44px;
}
textarea {
  min-height: 170px;
  resize: vertical;
}
.notes {
  margin: 26px 0;
}
details {
  margin: 24px 0;
  border-top: 1px solid var(--rule);
  padding-top: 20px;
}
summary {
  font-size: 14px;
  cursor: pointer;
  min-height: 32px;
}
fieldset {
  border: 1px solid var(--rule);
  padding: 20px;
  min-width: 0;
}
legend {
  font: 20px/1.6 var(--serif);
  padding: 0 8px;
}
.date-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.timer {
  display: block;
  font: 42px/1.4 var(--mono);
  margin: 18px 0;
}
.list-row {
  border-bottom: 1px solid var(--rule);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}
.list-row h2,
.list-row h3 {
  margin: 4px 0;
}
.list-row .meta {
  margin: 4px 0;
}
.signals {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font: 13px/1.7 var(--mono);
}
.objective {
  padding: 24px 0;
}
.objective.selected {
  border-left: 3px solid var(--accent);
  padding-left: 20px;
}
.section-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  border-bottom: 1px solid var(--rule);
  padding: 16px 0 24px;
  font: 13px/1.6 var(--mono);
}
.reference-content {
  max-width: 85ch;
  margin: 36px auto;
}
.reference-content h1 {
  font-size: 30px;
}
.reference-content h2 {
  margin-top: 40px;
}
.reference-content h3 {
  margin-top: 28px;
}
.reference-content table {
  display: block;
  overflow: auto;
  border-collapse: collapse;
  max-width: 100%;
  font-size: 16px;
}
.reference-content td,
.reference-content th {
  padding: 12px;
  border: 1px solid var(--rule);
}
pre {
  overflow: auto;
  background: var(--surface);
  padding: 20px;
  font: 13px/1.6 var(--mono);
  max-width: 100%;
}
code {
  font: 13px/1.6 var(--mono);
  overflow-wrap: anywhere;
}
blockquote {
  margin: 20px 0;
  padding: 0 20px;
  border-left: 3px solid var(--accent);
}
.preserve {
  white-space: pre-wrap;
}
progress {
  width: 100%;
  height: 12px;
  accent-color: var(--accent);
}
#notice {
  margin: 0;
  padding: 14px 28px;
  background: var(--raised);
  border-bottom: 1px solid var(--accent);
  font: 13px/1.7 var(--mono);
}
.skip {
  position: absolute;
  left: 20px;
  top: -100px;
  background: var(--bg);
  padding: 12px;
  z-index: 10;
}
.skip:focus {
  top: 10px;
}
.mobile-day {
  display: none;
}
.focus .rail,
.focus .summary {
  display: none;
}
.focus .columns {
  display: block;
}
.focus main {
  max-width: 1000px;
  margin: auto;
}
.focus header nav {
  display: none;
}
@media (min-width: 1450px) {
  main {
    padding: 40px;
  }
  .columns {
    grid-template-columns: 265px minmax(0, 1fr) 290px;
  }
}
@media (max-width: 1150px) {
  header {
    gap: 20px;
    flex-wrap: wrap;
    padding: 12px 20px;
  }
  header nav {
    gap: 20px;
  }
  .header-actions {
    gap: 10px;
  }
  .columns {
    grid-template-columns: 220px minmax(0, 1fr);
  }
  .summary {
    grid-column: 2;
    border-left: 0;
    border-top: 1px solid var(--rule);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .summary section {
    margin: 0;
  }
  .rail {
    grid-row: span 2;
  }
  h1 {
    font-size: 36px;
  }
}
@media (max-width: 760px) {
  header {
    gap: 10px 20px;
  }
  .brand {
    font-size: 20px;
  }
  .header-actions {
    margin-left: auto;
    font-size: 12px;
    gap: 8px;
  }
  .header-actions > a:first-child {
    display: none;
  }
  .header-actions button {
    font-size: 12px;
    padding: 5px;
  }
  header nav {
    order: 3;
    width: 100%;
    gap: 24px;
    min-height: 42px;
  }
  header nav a {
    font-size: 14px;
  }
  .columns {
    display: block;
  }
  .rail {
    display: none;
  }
  main {
    padding: 24px 20px;
  }
  .summary {
    display: block;
    border-left: 0;
    padding: 24px 20px;
  }
  .summary section {
    margin-bottom: 24px;
  }
  .mobile-day {
    display: block;
    margin: 0 0 26px;
  }
  h1 {
    font-size: 30px;
    letter-spacing: -0.7px;
  }
  .lede {
    font-size: 20px;
  }
  .tabs {
    gap: 20px;
  }
  .tabs small {
    display: none;
  }
  .activity-preview {
    padding: 18px;
  }
  .list-row {
    display: block;
  }
  .date-grid {
    grid-template-columns: 1fr;
  }
  .actions {
    gap: 10px;
  }
  .actions .button {
    width: 100%;
  }
  .reference-content h1 {
    font-size: 26px;
  }
  .reference-content {
    font-size: 17px;
  }
  .header-actions a {
    font-size: 11px;
  }
  .focus header nav {
    display: flex;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}