:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --text: #1f2328;
  --muted: #5d646d;
  --border: #e3e0d8;
  --accent: #1d5c4d;
  --accent-soft: #e4efe9;
  --danger: #a4322c;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a;
    --surface: #1d2024;
    --text: #e8e6e1;
    --muted: #a1a7ae;
    --border: #30343a;
    --accent: #7cc4ad;
    --accent-soft: #1f3530;
    --danger: #f08a82;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0 auto;
  max-width: 56rem;
  padding: 1.5rem 1rem 4rem;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

a { color: var(--accent); }
a:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.page-header h1 { margin: 0; font-size: 1.75rem; }
.page-header__subtitle { margin: 0.25rem 0 1.25rem; color: var(--muted); }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: flex-end;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
}
.topics { flex: 1 1 100%; margin: 0; padding: 0; border: 0; }
.topics legend { padding: 0; margin-bottom: 0.375rem; font-size: 0.875rem; color: var(--muted); }
.topics__tiles { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.topic-tile {
  display: inline-flex;
  gap: 0.5rem;
  align-items: baseline;
  padding: 0.5rem 0.875rem;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
}
.topic-tile__count { font-size: 0.8125rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.topic-tile[aria-pressed="true"] { color: var(--accent); background: var(--accent-soft); border-color: var(--accent); font-weight: 600; }
.topic-tile[aria-pressed="true"] .topic-tile__count { color: inherit; }
.topic-tile:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.filters__field { display: flex; flex-direction: column; gap: 0.25rem; min-width: 8rem; }
.filters__field--grow { flex: 1 1 16rem; }
.filters label { font-size: 0.875rem; color: var(--muted); }
.filters input[type="search"], .filters input[inputmode], .filters select {
  padding: 0.5rem 0.625rem;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0.375rem;
}
.filters__checks { display: flex; gap: 1rem; padding-bottom: 0.5rem; }
.filters__checks label { color: var(--text); font-size: 0.9375rem; }

.result-count { color: var(--muted); margin: 1rem 0 0.5rem; }

.day { margin-top: 1.5rem; }
.day__heading {
  position: sticky;
  top: 0;
  margin: 0;
  padding: 0.5rem 0;
  font-size: 1.0625rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.day__events { list-style: none; margin: 0; padding: 0; }

.event {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 1rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--border);
}
.event__time { color: var(--muted); font-variant-numeric: tabular-nums; }
.event__title { margin: 0; font-size: 1rem; }
.event__where, .event__description, .event__meta { margin: 0.25rem 0 0; }
.event__where { color: var(--muted); }
.event__description { font-size: 0.9375rem; }
.event__meta { font-size: 0.8125rem; color: var(--muted); }
.event--canceled .event__title a { text-decoration: line-through; }
.badge {
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0 0.375rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 0.25rem;
  background: var(--accent-soft);
  color: var(--accent);
  vertical-align: middle;
}
.badge--danger { color: var(--danger); background: transparent; border: 1px solid currentColor; }

.empty { padding: 2rem 0; color: var(--muted); }

@media (max-width: 32rem) {
  .event { grid-template-columns: 1fr; gap: 0.25rem; }
}