/*
 * Service alerts, on the home page and every stop page.
 *
 * Two states in the markup, one visible at a time: a flat box reading zero,
 * and a disclosure listing however many there are. /js/alerts.js swaps them.
 */

.alerts-box {
  margin-bottom: 1rem;
  overflow: hidden;
}

.alerts-empty,
.alerts-summary {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 1rem;
}

.alerts-summary {
  cursor: pointer;
  list-style: none;
  user-select: none;
}

/* Hide the native disclosure triangle in favour of our own chevron */
.alerts-summary::-webkit-details-marker {
  display: none;
}

.alerts-summary:hover {
  background-color: var(--surface-2);
}

.alerts-title {
  font-weight: 600;
}

.alerts-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.5rem;
  height: 1.5rem;
  padding-inline: 0.5rem;
  border-radius: var(--r-pill);
  font-size: 0.8125rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;

  color: var(--badge-color);
  background-color: color-mix(in srgb, var(--badge-color) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--badge-color) 40%, transparent);
}

.alerts-badge[data-tone="ok"] {
  --badge-color: var(--status-ok);
}

.alerts-badge[data-tone="warn"] {
  --badge-color: var(--status-warn);
}

.alerts-summary svg {
  margin-left: auto;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.alerts-full[open] .alerts-summary svg {
  transform: rotate(180deg);
}

.alerts-list {
  list-style: none;
  margin: 0;
  padding: 0 1rem 0.5rem;
}

.alerts-alert {
  padding: 0.75rem 0;
  border-top: 1px solid var(--border);
}

.alerts-alert-header {
  font-weight: 600;
  line-height: 1.4;
}

.alerts-alert-body {
  margin-top: 0.25rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
}