/* Design rationale: docs/claude_context/event_calendar.md */
.union-calendar-nav {
  display: grid;
  grid-template-columns: 1.5rem 19rem 1.5rem;
  width: fit-content;
  margin: 0.5rem auto 1rem;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
  text-align: center;
}

.union-calendar-nav a {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-text);
  text-decoration: none;
  justify-self: center;
}

.union-calendar-nav a:hover,
.union-calendar-nav a:focus-visible {
  color: var(--color-accent-hover);
}

.union-calendar-section .event-calendar {
  --ec-hour-height: 2.75rem;
}

.event-calendar {
  width: 100%;
  margin-top: 1.5rem;
  text-align: left;
  background-color: #e5e5e5;
  --ec-bg: #e5e5e5;
  --ec-hour-height: 3.75rem;
}

.event-calendar-header,
.event-calendar-body {
  display: flex;
}

.event-calendar-header-spacer {
  flex: 0 0 3.5rem;
}

.event-calendar-header-day {
  flex: 1;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--color-border);
  font-size: 0.85rem;
  font-weight: bold;
  text-align: center;
}

.event-calendar-hours {
  position: relative;
  flex: 0 0 3.5rem;
  height: calc(var(--ec-hours) * var(--ec-hour-height));
}

.event-calendar-hour-label {
  position: absolute;
  left: 0;
  right: 0.5rem;
  transform: translateY(-0.5em);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: right;
}

.event-calendar-days {
  flex: 1;
  display: flex;
}

.event-calendar-day {
  position: relative;
  flex: 1;
  height: calc(var(--ec-hours) * var(--ec-hour-height));
  border-left: 1px solid var(--color-border);
  background-image: repeating-linear-gradient(
    to bottom,
    var(--color-border) 0,
    var(--color-border) 1px,
    transparent 1px,
    transparent var(--ec-hour-height)
  );
}

.event-calendar-day:last-child {
  border-right: 1px solid var(--color-border);
}

.event-calendar-block {
  position: absolute;
  text-decoration: none;
}

.event-calendar-block-inner {
  position: absolute;
  inset: 3px;
  box-sizing: border-box;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.25rem 0.45rem;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  color: var(--color-event-text);
  background-color: var(--color-text-muted);
  line-height: 1.25;
  box-shadow: 0 1px 4px var(--color-shadow);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.event-calendar-block:hover .event-calendar-block-inner,
.event-calendar-block:focus-visible .event-calendar-block-inner {
  box-shadow: 0 4px 14px var(--color-shadow);
  transform: translateY(-2px);
}

.event-calendar-block:hover,
.event-calendar-block:focus-visible {
  z-index: 2;
}

.event-calendar-block--blue {
  background-color: var(--color-event-blue);
}

.event-calendar-block--yellow {
  background-color: var(--color-event-yellow);
}

.event-calendar-block--orange {
  background-color: var(--color-event-orange);
}

.event-calendar-block--pink {
  background-color: var(--color-event-pink);
}

.event-calendar-block--green {
  background-color: var(--color-event-green);
}

.event-calendar-block--purple {
  background-color: var(--color-event-purple);
}

.event-calendar-block-title {
  font-size: 0.85rem;
  font-weight: bold;
}

.event-calendar-block-time {
  font-size: 0.78rem;
  opacity: 0.75;
}

.event-list--untimed {
  margin-top: 1.5rem;
}

.event-calendar-controls {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}

.event-calendar-pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.event-calendar-pager--bottom {
  display: none;
}

.event-calendar-pager-prev,
.event-calendar-pager-next {
  background: none;
  border: none;
  font-size: 1.5rem;
  font-family: inherit;
  line-height: 1;
  color: var(--color-text);
  cursor: pointer;
}

.event-calendar-pager-prev:hover,
.event-calendar-pager-prev:focus-visible,
.event-calendar-pager-next:hover,
.event-calendar-pager-next:focus-visible {
  color: var(--color-accent-hover);
}

.event-calendar-pager-prev:disabled,
.event-calendar-pager-next:disabled {
  color: var(--color-text-muted);
  opacity: 0.4;
  cursor: default;
}

.event-calendar-view-whole-week {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.3rem 0.9rem;
  font: inherit;
  font-size: 0.8rem;
  font-weight: bold;
  color: var(--color-text);
  cursor: pointer;
}

.event-calendar-view-whole-week:hover,
.event-calendar-view-whole-week:focus-visible {
  color: var(--color-bg);
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.event-calendar-block.is-selected {
  z-index: 3;
}

.event-calendar-block.is-selected .event-calendar-block-inner {
  overflow: visible;
  height: auto;
  bottom: auto;
  min-height: 100%;
  white-space: normal;
  box-shadow: 0 4px 14px var(--color-shadow);
  transform: translateY(-2px);
}

.event-calendar-block-hint {
  display: none;
  margin-top: 0.15rem;
  font-size: 0.7rem;
  font-style: italic;
  opacity: 0.85;
}

.event-calendar-block.is-selected .event-calendar-block-hint {
  display: block;
}

.event-calendar-modal {
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.event-calendar-modal:not([hidden]) {
  display: flex;
}

.event-calendar-modal-panel {
  position: relative;
  width: 100%;
  max-width: 60rem;
  max-height: 85vh;
  max-height: 85dvh;
  background-color: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: 12px;
  box-shadow: 0 8px 24px var(--color-shadow);
  padding: 0.35rem;
  overflow: hidden;
}

.event-calendar-modal-close {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  z-index: 2;
  width: 2.4rem;
  height: 2.4rem;
  border: none;
  border-radius: 999px;
  background-color: color-mix(in srgb, var(--color-text) 12%, transparent);
  color: var(--color-text);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

.event-calendar-modal-scroll {
  max-height: calc(85vh - 0.7rem);
  max-height: calc(85dvh - 0.7rem);
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  padding: 2.5rem 0.5rem 0.9rem;
  scrollbar-width: auto;
  scrollbar-color: var(--color-text) transparent;
}

.event-calendar-modal-scroll::-webkit-scrollbar {
  height: 8px;
}

.event-calendar-modal-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.event-calendar-modal-scroll::-webkit-scrollbar-thumb {
  background-color: var(--color-text);
  border-radius: 999px;
}

.event-calendar-modal-scroll .event-calendar {
  width: max-content;
  min-width: 100%;
}

.event-calendar-modal-fade-left,
.event-calendar-modal-fade-right {
  display: none;
  position: absolute;
  top: 0.35rem;
  bottom: 0.35rem;
  width: 2.5rem;
  pointer-events: none;
}

.event-calendar-modal-fade-left {
  left: 0.35rem;
  background: linear-gradient(to right, color-mix(in srgb, var(--color-text) 35%, transparent), transparent);
}

.event-calendar-modal-fade-right {
  right: 0.35rem;
  background: linear-gradient(to left, color-mix(in srgb, var(--color-text) 35%, transparent), transparent);
}

.event-calendar-modal-fade-left.is-visible,
.event-calendar-modal-fade-right.is-visible {
  display: block;
}

@media (max-width: 45rem) {
  .event-calendar {
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    --ec-hour-height: 2.25rem;
  }

  .event-calendar-header-day,
  .event-calendar-day {
    flex: 0 0 8rem;
  }

  .union-calendar-nav {
    grid-template-columns: 1.5rem 13rem 1.5rem;
    font-size: 0.8rem;
  }

  .event-calendar-header-day {
    font-size: 0.7rem;
  }

  .event-calendar-hours,
  .event-calendar-header-spacer {
    position: sticky;
    left: 0;
    z-index: 1;
    background-color: var(--ec-bg);
  }

  .event-calendar-hours {
    flex-basis: 2.25rem;
  }

  .event-calendar-header-spacer {
    flex-basis: 2.25rem;
  }

  .event-calendar-hour-label {
    font-size: 0.7rem;
    right: 0.25rem;
  }

  .event-calendar-block-title {
    font-size: 0.72rem;
  }

  .event-calendar-block-time {
    font-size: 0.68rem;
  }

  .event-calendar-controls {
    display: flex;
    margin-top: 1rem;
  }

  .event-calendar-pager--bottom {
    display: flex;
    margin-top: 1rem;
  }

  .event-calendar--paged {
    overflow-x: hidden;
  }

  .event-calendar--paged .event-calendar-header-day:not(.event-calendar-header-day--current),
  .event-calendar--paged .event-calendar-day:not(.event-calendar-day--current) {
    display: none;
  }

  .event-calendar--paged .event-calendar-header-day--current,
  .event-calendar--paged .event-calendar-day--current {
    flex: 1 1 100%;
  }

  .event-calendar-modal {
    padding: 0;
  }

  .event-calendar-modal-panel {
    max-width: none;
    width: 100%;
    height: 100%;
    max-height: 100dvh;
    max-height: 100vh;
    border-radius: 0;
    border: none;
    background-color: color-mix(in srgb, var(--color-text) 60%, transparent);
  }

  .event-calendar-modal-scroll {
    max-height: calc(100dvh - 0.7rem);
    max-height: calc(100vh - 0.7rem);
  }

  .event-calendar-modal-scroll .event-calendar {
    --ec-bg: var(--color-bg-dark);
  }

  .event-calendar-modal-scroll .event-calendar-header-day,
  .event-calendar-modal-scroll .event-calendar-hour-label {
    color: var(--color-bg);
  }

  .event-calendar-modal-scroll .event-calendar-header-day {
    border-bottom-color: var(--color-bg);
  }

  .event-calendar-modal-scroll .event-calendar-day {
    border-left-color: color-mix(in srgb, var(--color-bg) 40%, transparent);
    background-image: repeating-linear-gradient(
      to bottom,
      color-mix(in srgb, var(--color-bg) 40%, transparent) 0,
      color-mix(in srgb, var(--color-bg) 40%, transparent) 1px,
      transparent 1px,
      transparent var(--ec-hour-height)
    );
  }

  .event-calendar-modal-scroll .event-calendar-day:last-child {
    border-right-color: color-mix(in srgb, var(--color-bg) 40%, transparent);
  }

  .event-calendar-modal-close {
    background-color: color-mix(in srgb, var(--color-bg) 20%, transparent);
    color: var(--color-bg);
  }
}