:root {
  color-scheme: light dark;
  --fg: #111;
  --bg: #f7f7f8;
  --muted: #6b7280;
  --card: #ffffff;
  --border: rgba(0, 0, 0, 0.08);
  --accent: #2563eb;
  --low: #cbd5e1;
  --mid: #f59e0b;
  --hot: #10b981;
  --sold: #16a34a;
  --danger: #dc2626;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #ececef;
    --bg: #0b0b0d;
    --muted: #9aa0aa;
    --card: #16171a;
    --border: rgba(255, 255, 255, 0.08);
    --accent: #60a5fa;
    --low: #3a3f48;
    --mid: #d97706;
    --hot: #10b981;
    --sold: #15803d;
    --danger: #f87171;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  font-size: 16px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

header {
  border-bottom: 1px solid var(--border);
  background: var(--card);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(180%) blur(8px);
}
.header-inner {
  max-width: 64rem;
  margin: 0 auto;
  padding: 1rem 1.25rem;
}
header h1 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
header p {
  margin: 0.1rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

main {
  max-width: 64rem;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 4rem;
}

.loading,
.empty {
  color: var(--muted);
  padding: 3rem 0;
  text-align: center;
}
.error {
  color: var(--danger);
  padding: 1rem;
  border: 1px solid var(--danger);
  border-radius: 0.5rem;
  background: color-mix(in srgb, var(--danger) 8%, transparent);
}

.count {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0 0 1.25rem;
}

/* Day groups */
.day {
  margin-bottom: 2rem;
}
.day h2 {
  margin: 0 0 0.6rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Sessions */
.sessions {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.session {
  display: grid;
  grid-template-columns: 56px 1fr minmax(180px, auto);
  gap: 1rem;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  padding: 0.75rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.session:hover {
  border-color: color-mix(in srgb, var(--fg) 20%, var(--border));
}

.poster {
  width: 56px;
  height: 80px;
  object-fit: cover;
  border-radius: 0.35rem;
  background: var(--bg);
  display: block;
}
.poster.placeholder {
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 700;
  font-size: 1.25rem;
  background: linear-gradient(135deg, #4b5563, #1f2937);
  text-transform: uppercase;
}

.meta { min-width: 0; }
.meta .time {
  font-weight: 700;
  font-size: 1.05rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.meta .time .end {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.9rem;
}
.meta .title {
  font-weight: 500;
  margin-top: 0.05rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.meta .sub {
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 0.15rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.badge {
  display: inline-block;
  font-size: 0.7rem;
  padding: 0.05rem 0.4rem;
  border-radius: 0.25rem;
  border: 1px solid var(--border);
  margin-left: 0.15rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  color: var(--muted);
}
.badge.private { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.badge.sold { color: var(--sold); border-color: color-mix(in srgb, var(--sold) 40%, var(--border)); }
.badge.status-open { color: var(--hot); border-color: color-mix(in srgb, var(--hot) 40%, var(--border)); }
.badge.status-planned { color: var(--mid); border-color: color-mix(in srgb, var(--mid) 40%, var(--border)); }
.badge.status-closed { color: var(--muted); }
.badge.offweb { color: var(--muted); border-style: dashed; }

.session.offweb { opacity: 0.6; }
.session.offweb:hover,
.session.offweb:focus-within { opacity: 1; }

/* Occupancy bar */
.occupancy {
  text-align: right;
  min-width: 0;
}
.occupancy .bar {
  height: 6px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--fg) 8%, transparent);
  overflow: hidden;
  margin-bottom: 0.4rem;
}
.occupancy .bar span {
  display: block;
  height: 100%;
  background: var(--mid);
  transition: width 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  border-radius: inherit;
}
.occupancy.low .bar span { background: var(--low); }
.occupancy.mid .bar span { background: var(--mid); }
.occupancy.hot .bar span { background: var(--hot); }
.occupancy.soldout .bar span { background: var(--sold); }

.occupancy .numbers {
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
}
.occupancy .numbers strong { font-weight: 700; }
.occupancy .numbers .of { color: var(--muted); }
.occupancy .numbers .pct {
  color: var(--muted);
  margin-left: 0.5rem;
  font-size: 0.85rem;
}
.occupancy .held {
  margin-top: 0.15rem;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}

@media (max-width: 540px) {
  .session {
    grid-template-columns: 48px 1fr;
    grid-template-rows: auto auto;
    column-gap: 0.75rem;
    row-gap: 0.5rem;
  }
  .poster { width: 48px; height: 70px; }
  .session .occupancy {
    grid-column: 1 / -1;
    text-align: left;
  }
}