:root {
  --oc-bg: #ffffff;
  --oc-surface: #f6f7f9;
  --oc-text: #1a1d23;
  --oc-muted: #5c6570;
  --oc-border: #d7dde5;
  --oc-accent: #2563eb;
  --oc-danger: #b42318;
  --oc-radius: 10px;
  --oc-shadow: 0 10px 30px rgba(16, 24, 40, 0.12);
  --oc-font: "IBM Plex Sans", "Segoe UI", sans-serif;
}

.opencalendar.oc-root {
  color: var(--oc-text);
  background: var(--oc-bg);
  font-family: var(--oc-font);
  border: 1px solid var(--oc-border);
  border-radius: var(--oc-radius);
  padding: 1rem;
}

.opencalendar.oc-root[data-theme="dark"] {
  --oc-bg: #12151a;
  --oc-surface: #1b2028;
  --oc-text: #e8edf5;
  --oc-muted: #9aa6b2;
  --oc-border: #2c3440;
  --oc-accent: #6ea8fe;
  --oc-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

@media (prefers-color-scheme: dark) {
  .opencalendar.oc-root[data-theme="auto"] {
    --oc-bg: #12151a;
    --oc-surface: #1b2028;
    --oc-text: #e8edf5;
    --oc-muted: #9aa6b2;
    --oc-border: #2c3440;
    --oc-accent: #6ea8fe;
    --oc-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  }
}

.oc-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.oc-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
  align-items: end;
}

.oc-filters label {
  display: grid;
  gap: 0.25rem;
  font-size: 0.85rem;
  color: var(--oc-muted);
}

.oc-filters input,
.oc-filters select {
  min-width: 10rem;
  border: 1px solid var(--oc-border);
  background: var(--oc-surface);
  color: var(--oc-text);
  border-radius: 8px;
  padding: 0.5rem 0.65rem;
}

.oc-calendar {
  min-height: 420px;
}

.oc-list__group {
  margin: 1.25rem 0 0.5rem;
  font-size: 1rem;
  color: var(--oc-muted);
}

.oc-list__items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.oc-list__item {
  border-left: 4px solid var(--oc-event-color, var(--oc-accent));
  background: var(--oc-surface);
  border-radius: 8px;
}

.opencalendar .oc-list__button {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  color: inherit;
  padding: 0.75rem 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.opencalendar .oc-list__button:focus-visible {
  outline: 2px solid var(--oc-accent);
  outline-offset: 2px;
}

.opencalendar .oc-list__icon {
  flex: 0 0 auto;
  font-size: 1.35rem;
  line-height: 1;
  margin-top: 0.1rem;
}

.opencalendar .oc-list__body {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
}

.opencalendar .oc-list__when,
.opencalendar .oc-list__title,
.opencalendar .oc-list__location {
  display: block;
  width: 100%;
}

.opencalendar .oc-list__when {
  font-size: 0.8rem;
  line-height: 1.35;
  color: var(--oc-muted);
}

.opencalendar .oc-list__title {
  font-weight: 600;
  line-height: 1.35;
  color: var(--oc-text);
}

.opencalendar .oc-list__location {
  font-size: 0.9rem;
  line-height: 1.35;
  color: var(--oc-muted);
}

.opencalendar .oc-list__empty {
  color: var(--oc-muted);
  margin-top: 1rem;
}

.opencalendar .oc-pagination {
  display: flex;
  justify-content: center;
  margin-top: 1.25rem;
}

.opencalendar ul.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

.opencalendar ul.pagination li {
  margin: 0;
}

.opencalendar ul.pagination a,
.opencalendar ul.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  min-height: 2.25rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--oc-border);
  border-radius: 999px;
  background: var(--oc-bg);
  color: var(--oc-text);
  text-decoration: none;
  font-weight: 600;
  line-height: 1;
}

.opencalendar ul.pagination a:hover,
.opencalendar ul.pagination a:focus-visible {
  border-color: var(--oc-accent);
  color: var(--oc-accent);
  outline: none;
}

.opencalendar ul.pagination span.active {
  background: var(--oc-accent);
  border-color: var(--oc-accent);
  color: #fff;
}

.opencalendar ul.pagination li.gap span,
.opencalendar ul.pagination li span[aria-hidden] {
  border-color: transparent;
  background: transparent;
  color: var(--oc-muted);
  cursor: default;
}

.opencalendar.oc-root.oc-loading {
  opacity: 0.72;
  pointer-events: none;
}

.oc-modal[hidden] {
  display: none !important;
}

.oc-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
}

.oc-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 14, 20, 0.55);
}

.oc-modal__dialog {
  position: relative;
  z-index: 1;
  width: min(560px, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  overflow: auto;
  background: var(--oc-bg);
  color: var(--oc-text);
  border-radius: 12px;
  box-shadow: var(--oc-shadow);
  padding: 1.25rem 1.25rem 1.5rem;
}

.oc-modal__close {
  position: absolute;
  top: 0.6rem;
  right: 0.7rem;
  border: 0;
  background: transparent;
  color: var(--oc-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.oc-modal__title {
  margin: 0 1.5rem 0.75rem 0;
  font-size: 1.35rem;
}

.oc-modal__meta {
  display: grid;
  gap: 0.5rem;
  margin: 0 0 1rem;
}

.oc-modal__meta > div {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 0.5rem;
}

.oc-modal__meta dt {
  color: var(--oc-muted);
  margin: 0;
}

.oc-modal__meta dd {
  margin: 0;
}

.oc-modal__description {
  white-space: pre-wrap;
  line-height: 1.5;
}

.oc-modal__attachments {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
}

.oc-modal__attachments a {
  color: var(--oc-accent);
}

.oc-subscribe {
  margin: 1rem 0 0;
  padding: 0.85rem 1rem;
  border-top: 1px solid var(--oc-border, #ddd);
  font-size: 0.92rem;
}

.oc-subscribe__help {
  margin: 0 0 0.5rem;
  color: var(--oc-muted, #666);
}

.oc-subscribe__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.oc-subscribe__link,
.oc-subscribe__copy {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.75rem;
  border-radius: 4px;
  border: 1px solid var(--oc-border, #ccc);
  background: var(--oc-surface, #f7f7f7);
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  font: inherit;
}

.oc-subscribe__link:hover,
.oc-subscribe__copy:hover {
  border-color: var(--oc-accent, #3788d8);
}

.oc-subscribe__url {
  display: block;
  overflow-wrap: anywhere;
  font-size: 0.8rem;
  color: var(--oc-muted, #666);
}

@media (max-width: 640px) {
  .oc-filters {
    flex-direction: column;
    align-items: stretch;
  }

  .oc-filters input,
  .oc-filters select {
    min-width: 0;
    width: 100%;
  }

  .oc-modal__meta > div {
    grid-template-columns: 1fr;
  }
}