.uca-ics-calendar {
  --uca-ics-border: #e5e7eb;
  --uca-ics-bg: #fff;
  --uca-ics-error: #b91c1c;
  --uca-ics-muted: #6b7280;
  --uca-ics-item-border: #f3f4f6;
  --uca-ics-location: #374151;
  --uca-ics-desc: #4b5563;
  --uca-ics-badge-bg: #f9fafb;
  --uca-ics-badge-border: #e5e7eb;
  --uca-ics-link: inherit;
  --uca-ics-scale: 1;

  border: var(--uca-ics-card-border-width, 1px) solid var(--uca-ics-border);
  border-radius: var(--uca-ics-card-radius, 10px);
  padding: var(--uca-ics-card-padding, 16px);
  margin: var(--uca-ics-card-margin, 0);
  background: var(--uca-ics-bg);
}
.uca-ics-title {
  margin: 0 0 12px;
  font-size: calc(var(--uca-ics-title-size, 1.25rem) * var(--uca-ics-scale, 1));
  font-weight: var(--uca-ics-title-weight, inherit);
  color: var(--uca-ics-title, inherit);
  text-align: var(--uca-ics-title-align, inherit);
}
.uca-ics-error {
  color: var(--uca-ics-error);
  margin-bottom: 10px;
}
.uca-ics-empty {
  color: var(--uca-ics-muted);
}
.uca-ics-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: calc(var(--uca-ics-list-gap, 12px) * var(--uca-ics-scale, 1));
  grid-template-columns: repeat(var(--uca-ics-cols, 1), minmax(0, 1fr));
}
.uca-ics-item {
  padding: var(--uca-ics-item-padding, 12px);
  border: var(--uca-ics-item-border-width, 1px) solid var(--uca-ics-item-border);
  border-radius: var(--uca-ics-item-radius, 8px);
  background: var(--uca-ics-item-bg, transparent);
  margin: var(--uca-ics-item-margin, 0);
}
.uca-ics-when {
  font-weight: var(--uca-ics-when-weight, 600);
  margin: var(--uca-ics-when-margin, 0 0 4px);
  padding: var(--uca-ics-when-padding, 0);
  color: var(--uca-ics-when-color, inherit);
  font-size: calc(var(--uca-ics-when-size, 1em) * var(--uca-ics-scale, 1));
  text-align: var(--uca-ics-when-align, inherit);
  border: var(--uca-ics-when-border-width, 0) solid var(--uca-ics-when-border-color, transparent);
  border-radius: var(--uca-ics-when-radius, 0);
}
.uca-ics-when .uca-ics-day { color: var(--uca-ics-day-color, inherit); font-size: var(--uca-ics-day-size, inherit); font-weight: var(--uca-ics-day-weight, inherit); display: inline-block; margin-right: 4px; }
.uca-ics-when .uca-ics-month { color: var(--uca-ics-month-color, inherit); font-size: var(--uca-ics-month-size, inherit); font-weight: var(--uca-ics-month-weight, inherit); display: inline-block; margin-right: 4px; }
.uca-ics-when .uca-ics-year { color: var(--uca-ics-year-color, inherit); font-size: var(--uca-ics-year-size, inherit); font-weight: var(--uca-ics-year-weight, inherit); display: inline-block; margin-right: 6px; }
.uca-ics-when .uca-ics-time { display: inline-block; }
.uca-ics-calendar .uca-ics-summary a {
  text-decoration: none;
  color: var(--uca-ics-link);
  font-weight: var(--uca-ics-link-weight, inherit);
  text-decoration: var(--uca-ics-link-decoration, none);
  font-size: var(--uca-ics-link-size, inherit);
  font-style: var(--uca-ics-link-style, inherit);
  text-transform: var(--uca-ics-link-transform, none);
  letter-spacing: var(--uca-ics-link-letterspacing, normal);
}
.uca-ics-summary { text-align: var(--uca-ics-link-align, inherit); }
.uca-ics-location {
  color: var(--uca-ics-location);
  font-size: calc(var(--uca-ics-location-size, 0.95rem) * var(--uca-ics-scale, 1));
  margin: var(--uca-ics-location-margin, 2px 0 0);
  padding: var(--uca-ics-location-padding, 0);
  text-align: var(--uca-ics-location-align, inherit);
  border: var(--uca-ics-location-border-width, 0) solid var(--uca-ics-location-border-color, transparent);
  border-radius: var(--uca-ics-location-radius, 0);
}
.uca-ics-desc {
  color: var(--uca-ics-desc);
  font-size: calc(var(--uca-ics-desc-size, 0.92rem) * var(--uca-ics-scale, 1));
  margin: var(--uca-ics-desc-margin, 6px 0 0);
  padding: var(--uca-ics-desc-padding, 0);
  text-align: var(--uca-ics-desc-align, inherit);
  border: var(--uca-ics-desc-border-width, 0) solid var(--uca-ics-desc-border-color, transparent);
  border-radius: var(--uca-ics-desc-radius, 0);
}
.uca-ics--multi .uca-ics-badge {
  display: inline-block;
  margin: var(--uca-ics-badge-margin, 0 0 0 0.5rem);
  padding: var(--uca-ics-badge-padding, 2px 8px);
  font-size: calc(var(--uca-ics-badge-size, 0.75rem) * var(--uca-ics-scale, 1));
  border-radius: var(--uca-ics-badge-radius, 999px);
  border: var(--uca-ics-badge-border-width, 1px) solid var(--uca-ics-badge-border);
  background: var(--uca-ics-badge-bg);
  color: var(--uca-ics-badge-color, inherit);
}

/* Responsive overrides for tablet and mobile */
@media (max-width: 1024px) {
  .uca-ics-calendar { --uca-ics-scale: var(--uca-ics-scale-tablet, 1); }
  .uca-ics-list { grid-template-columns: repeat(var(--uca-ics-cols-tablet, var(--uca-ics-cols, 1)), minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .uca-ics-calendar { --uca-ics-scale: var(--uca-ics-scale-mobile, 1); }
  .uca-ics-list { grid-template-columns: repeat(var(--uca-ics-cols-mobile, 1), minmax(0, 1fr)); }
}

.uca-ics--compact {
  padding: 10px;
}
.uca-ics--compact .uca-ics-list { gap: 8px; }
.uca-ics--compact .uca-ics-item { padding: 8px; }

/* Split preset: date left, summary+button right */
.uca-ics--preset-split .uca-ics-item .uca-ics-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 12px;
  align-items: center;
}
@media (max-width: 640px) {
  .uca-ics--preset-split .uca-ics-item .uca-ics-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}
.uca-ics-btn {
  display: inline-block;
  margin-top: 8px;
  padding: var(--uca-ics-btn-padding, 6px 12px);
  border-radius: var(--uca-ics-btn-radius, 6px);
  border: var(--uca-ics-btn-border-width, 1px) solid var(--uca-ics-btn-border-color, var(--uca-ics-item-border));
  background: var(--uca-ics-btn-bg, var(--uca-ics-badge-bg));
  color: var(--uca-ics-btn-color, inherit);
  text-decoration: none;
  font-size: var(--uca-ics-btn-size, 0.9rem);
  font-weight: var(--uca-ics-btn-weight, inherit);
}
.uca-ics-btn:hover { filter: brightness(0.97); }