:root {
  --bg: #0f1115;
  --panel: #171a21;
  --border: #2a2e38;
  --text: #e6e8ec;
  --muted: #8b909c;
  --accent: #d9a441;
  --past: #565b66;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 2rem 1rem 4rem;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

main { max-width: 780px; margin: 0 auto; }

header h1 { margin: 0 0 0.25rem; font-size: 1.6rem; }
.subtitle { margin: 0; color: var(--muted); }
.sync-status { margin: 0.5rem 0 0; font-size: 0.85rem; color: var(--muted); }

.caveat {
  margin: 1.5rem 0;
  padding: 0.85rem 1rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
}

.instrument {
  margin-top: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  overflow: hidden;
}

.instrument summary {
  list-style: none;
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.instrument summary::-webkit-details-marker { display: none; }

.instrument summary::after {
  content: "▸";
  color: var(--muted);
  font-size: 0.8rem;
  transition: transform 0.15s ease;
}

.instrument[open] summary::after { transform: rotate(90deg); }
.instrument[open] summary { border-bottom: 1px solid var(--border); }
.instrument summary:hover { background: rgba(255, 255, 255, 0.04); }

.instrument-body { padding: 0.25rem 1rem 1rem; }

.event-group h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin: 1rem 0 0.5rem;
}

.event-list { list-style: none; margin: 0; padding: 0; }

.event-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0.75rem;
  border-radius: 6px;
  background: var(--panel);
  border: 1px solid var(--border);
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}

.event-row.is-past { opacity: 0.55; }

.event-type { color: var(--accent); font-weight: 600; }
.event-dates { color: var(--text); }
.event-tolerance { color: var(--muted); font-size: 0.8rem; }

.price-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0.75rem;
  border-radius: 6px;
  background: var(--panel);
  border: 1px solid var(--border);
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}

.price-label { color: var(--muted); }
.price-value { color: var(--text); font-weight: 600; }

.empty { color: var(--muted); font-size: 0.85rem; padding: 0.5rem 0.75rem; }

.error {
  color: #e07a7a;
  background: #2a1414;
  border: 1px solid #4a2020;
  border-radius: 6px;
  padding: 0.75rem 1rem;
}