:root {
  --type-compact: 0.6875rem;
  --type-label: 0.75rem;
  --type-small: 0.8125rem;
  --type-support: 0.875rem;
  --type-reading: 0.9375rem;
  --type-body: 1rem;
  --type-lead: 1.125rem;
  --type-headline: 1.25rem;
  --type-section: 1.5rem;
  --type-subdisplay: 1.875rem;
  --type-metric: 2.75rem;
  --type-display: clamp(1.85rem, 3.3vw, 2.8rem);
  --type-display-compact: clamp(1.65rem, 7vw, 2.15rem);
  --type-display-fluid-section: clamp(1.25rem, 2vw, 1.55rem);
  --type-display-metric: clamp(2rem, 3.5vw, 2.9rem);
  color-scheme: light;
  --canvas: #e8edf0;
  --paper: #ffffff;
  --field: #f5f8fa;
  --ink: #20364d;
  --body: #33495c;
  --muted: #566b7b;
  --line: #d4dde4;
  --line-strong: #91a2af;
  --red: #b93b48;
  --red-wash: #fcf3f2;
  --purple: #654b72;
  --focus: #28628f;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--canvas);
  color: var(--body);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: var(--type-body);
  line-height: 1.5;
  font-variant-numeric: tabular-nums lining-nums;
}

body {
  display: flow-root;
  min-width: 320px;
  margin: 0;
  background: var(--canvas);
}

a {
  color: inherit;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 0.22em;
}

a:hover {
  color: var(--red);
  text-decoration-color: currentColor;
}

a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

::selection {
  color: var(--paper);
  background: var(--ink);
}

.site-shell {
  width: min(calc(100% - 2rem), 92rem);
  min-height: calc(100vh - 2rem);
  margin: 1rem auto;
  background: var(--paper);
  border-inline: 1px solid var(--line);
}

.site-header {
  min-height: 4.75rem;
  padding: 0 max(2rem, calc((100% - 78rem) / 2));
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.site-mark {
  color: var(--ink);
  font-size: var(--type-lead);
  font-weight: 760;
  letter-spacing: -0.025em;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: stretch;
  gap: 1.75rem;
  min-height: 4.75rem;
  color: var(--muted);
  font-size: var(--type-reading);
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  border-bottom: 2px solid transparent;
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  color: var(--red);
  border-bottom-color: var(--red);
  font-weight: 700;
}

.page-content {
  width: min(100% - 4rem, 68rem);
  margin: 0 auto;
  padding: 2.2rem 0 2.75rem;
}

.page-heading,
.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.page-heading {
  margin-bottom: 1.1rem;
}

.page-heading h1 {
  margin: 0;
  color: var(--ink);
  font-size: var(--type-subdisplay);
  font-weight: 760;
  letter-spacing: -0.035em;
  line-height: 1.2;
}

.page-heading time {
  color: var(--muted);
  font-size: var(--type-reading);
}

.today-summary {
  min-height: 7.5rem;
  padding: 1.15rem 1.4rem;
  background: var(--red-wash);
  box-shadow: inset 2px 0 0 var(--red);
  border-block: 1px solid var(--line-strong);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.5rem;
}

.today-copy h2 {
  margin: 0 0 0.32rem;
  color: var(--ink);
  font-size: var(--type-headline);
  font-weight: 720;
  letter-spacing: -0.018em;
}

.today-copy p {
  max-width: 68ch;
  margin: 0;
  color: var(--muted);
  font-size: var(--type-reading);
}

.today-actions {
  display: grid;
  justify-items: end;
  gap: 0.25rem;
  text-align: right;
}

.today-status {
  color: var(--red);
  font-size: var(--type-label);
  font-weight: 700;
}

.today-actions a {
  color: var(--ink);
  font-size: var(--type-support);
  font-weight: 700;
}

.agenda-section,
.trips-section {
  margin-top: 2rem;
}

.section-heading {
  margin-bottom: 0.55rem;
}

.section-heading h2 {
  margin: 0;
  color: var(--ink);
  font-size: var(--type-lead);
  font-weight: 720;
  letter-spacing: -0.015em;
}

.section-heading p,
.section-heading a {
  margin: 0;
  color: var(--muted);
  font-size: var(--type-label);
}

.agenda-list,
.trip-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.agenda-item,
.trip-item {
  border-bottom: 1px solid var(--line);
}

.agenda-link {
  min-height: 2.75rem;
  padding: 0.45rem 0.75rem;
  display: grid;
  grid-template-columns: 6.2rem 5.3rem minmax(0, 1fr) 7rem;
  align-items: center;
  column-gap: 0.8rem;
  color: var(--body);
  text-decoration: none;
  transition: background-color 160ms ease-out, color 160ms ease-out;
}

.agenda-link:hover {
  background: var(--field);
  color: var(--ink);
}

.agenda-link[aria-current="date"] {
  background: var(--red-wash);
  box-shadow: inset 2px 0 0 var(--red);
}

.agenda-date {
  color: var(--ink);
  font-size: var(--type-support);
  font-weight: 700;
}

.agenda-weekday {
  color: var(--muted);
  font-size: var(--type-support);
}

.agenda-session {
  min-width: 0;
  font-size: var(--type-support);
  font-weight: 620;
  overflow-wrap: anywhere;
}

.agenda-status {
  color: var(--muted);
  font-size: var(--type-label);
  text-align: right;
}

.agenda-status--today {
  color: var(--red);
  font-weight: 700;
}

.agenda-empty,
.trip-empty {
  padding: 0.9rem 0.75rem;
  color: var(--muted);
  font-size: var(--type-support);
}

.trip-link {
  min-height: 3.1rem;
  padding: 0.5rem 0.75rem;
  display: grid;
  grid-template-columns: 10rem minmax(0, 1fr) 15rem 6rem;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.trip-name {
  color: var(--ink);
  font-size: var(--type-reading);
  font-weight: 700;
}

.trip-meta,
.trip-date,
.trip-state {
  color: var(--muted);
  font-size: var(--type-label);
}

.trip-date {
  font-variant-numeric: tabular-nums lining-nums;
}

.trip-state {
  justify-self: end;
  color: var(--purple);
  font-weight: 650;
}

.site-note {
  margin: 1.4rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: var(--type-label);
}

@media (max-width: 720px) {
  .site-header {
    min-height: auto;
    padding: 1rem 1.1rem 0;
    display: block;
  }

  .site-mark {
    display: inline-block;
    margin-bottom: 0.55rem;
  }

  .site-nav {
    min-height: 2.8rem;
    gap: 1.3rem;
    overflow-x: auto;
    white-space: nowrap;
  }

  .site-nav a {
    min-height: 2.8rem;
  }

  .page-content {
    width: calc(100% - 2rem);
    padding: 1.5rem 0 2rem;
  }

  .page-heading h1 {
    font-size: var(--type-section);
  }

  .today-summary {
    padding: 1rem 1.05rem;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.8rem;
  }

  .today-copy h2 {
    font-size: var(--type-lead);
  }

  .today-copy p {
    font-size: var(--type-support);
  }

  .agenda-link {
    grid-template-columns: 4.6rem minmax(0, 1fr) 4.3rem;
    column-gap: 0.55rem;
    padding-inline: 0.55rem;
  }

  .agenda-date {
    grid-row: span 2;
  }

  .agenda-weekday {
    display: none;
  }

  .agenda-session {
    grid-column: 2;
  }

  .agenda-status {
    grid-column: 3;
    grid-row: 1;
  }

  .trip-link {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.2rem 0.75rem;
  }

  .trip-name {
    grid-column: 1;
  }

  .trip-meta {
    grid-column: 1;
  }

  .trip-date {
    grid-column: 1;
    grid-row: 2;
  }

  .trip-state {
    grid-column: 2;
    grid-row: 1 / span 2;
  }
}

@media (max-width: 380px) {
  .page-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.2rem;
  }

  .today-summary {
    grid-template-columns: minmax(0, 1fr);
  }

  .today-actions {
    justify-items: start;
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}