/* Tour schedule shortcode: one column of cards per day, a day picker on narrow screens. */

.schedule {
  --schedule-line: color-mix(in oklch, var(--color-text) 20%, transparent);
  --schedule-card-bg: color-mix(in oklch, var(--color-text) 4%, transparent);
  --schedule-accent: var(--color-link);

  container-type: inline-size;
  margin-block: var(--spacing-l);
}

.schedule__days {
  display: grid;
  gap: var(--spacing-l);
}

/* Hour lines are only drawn in the aligned grid below. */
.schedule__hour {
  display: none;
}

/* One column per day; the shortcode puts each card in the row of its start time
   (--schedule-row), and the subgrids line those rows up across the days. */
@container (width >= 48rem) {
  .schedule__days {
    grid-template-columns: repeat(var(--schedule-days), minmax(0, 1fr));
    grid-template-rows: auto repeat(var(--schedule-rows), auto);
    gap: 0.5rem 1rem;
  }

  /* Placed explicitly: auto-placement would move the days out of the way of the hour lines. */
  .schedule__day {
    display: grid;
    grid-column: var(--schedule-column);
    grid-row: 1 / -1;
    grid-template-rows: subgrid;
  }

  .schedule__list {
    grid-row: 2 / -1;
    grid-template-rows: subgrid;
  }

  .schedule__card {
    grid-row: var(--schedule-row);
  }

  /* Titles always take two lines, so all cards in the grid are the same size; longer
     titles get an ellipsis. */
  .schedule__title {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    overflow: hidden;
    min-height: calc(2 * 1.3em);
  }

  /* Line above each hour, drawn in the middle of the row gap. Spans all days, so it must
     not catch clicks meant for the cards. */
  .schedule__hour {
    display: block;
    grid-column: 1 / -1;
    grid-row: var(--schedule-row);
    margin-block-start: -0.25rem;
    border-block-start: 1px solid var(--schedule-line);
    pointer-events: none;
  }
}

/* Lined up with the time on the cards. */
.schedule__hour-label {
  display: block;
  padding: calc(0.5rem + 0.25rem) 0.75rem 0.5rem calc(0.75rem + 3px);
  font-family: var(--ff-alt);
  font-size: var(--fs-s);
  font-weight: bold;
  font-variant-numeric: tabular-nums;
  color: var(--color-text-meta);
  opacity: 0.45;
}

.schedule__day-title {
  margin: 0 0 0.75rem;
  padding-block-end: 0.35rem;
  border-block-end: 2px solid var(--schedule-accent);
  font-size: var(--fs-l);
}

.schedule__date {
  font-family: var(--ff-alt);
  font-size: var(--fs-s);
  font-weight: normal;
  color: var(--color-text-meta);
  white-space: nowrap;
}

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

.schedule__card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.15rem 0.5rem;
  margin: 0;
  padding: 0.5rem 0.75rem 0.6rem;
  border: 1px solid var(--schedule-line);
  border-inline-start: 3px solid var(--schedule-accent);
  border-radius: var(--radius-m);
  background: var(--schedule-card-bg);
  transition: border-color 0.15s;

  &:hover {
    border-color: var(--schedule-accent);
  }

  &:has(a:focus-visible) {
    outline: 2px solid var(--schedule-accent);
    outline-offset: 2px;
  }
}

.schedule__when {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 0.5rem;
}

.schedule__status {
  font-family: var(--ff-alt);
  font-size: var(--fs-xs);
  font-weight: bold;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text-meta);
}

/* Fully booked: still listed and linked, but muted. */
.schedule__card--soldout {
  border-inline-start-color: var(--schedule-line);

  & .schedule__title {
    color: var(--color-text-meta);
  }
}

.schedule__time {
  font-family: var(--ff-alt);
  font-size: var(--fs-s);
  font-weight: bold;
  font-variant-numeric: tabular-nums;
  color: var(--color-text-meta);
}

.schedule__langs {
  /* Above the card-wide link, so the badge tooltip still works. */
  position: relative;
  z-index: 1;
  display: flex;
  gap: 0.25rem;
}

.schedule__lang {
  padding: 0 0.4rem;
  border: 1px solid var(--schedule-line);
  border-radius: 999px;
  font-family: var(--ff-alt);
  font-size: var(--fs-xs);
  letter-spacing: 0.03em;
  text-decoration: none;
  color: var(--color-text-meta);
  cursor: help;
}

.schedule__title {
  grid-column: 1 / -1;
  font-family: var(--ff-headings);
  font-weight: 600;
  line-height: 1.3;
  text-decoration: none;

  /* Make the whole card clickable. Being absolutely positioned against the card, it is not
     clipped by the overflow set in the grid view. */
  &::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
  }
}

/* The picker only exists with JavaScript and is only used on narrow screens. */
.schedule__picker {
  display: none;
}

@container (width < 48rem) {
  .schedule__picker:not([hidden]) {
    position: sticky;
    inset-block-start: 0;
    z-index: 2;
    display: flex;
    gap: 0.25rem;
    margin-block-end: 1rem;
    padding: 0.25rem;
    border-radius: var(--radius-l);
    background: var(--color-body-bg);
    box-shadow: inset 0 0 0 1px var(--schedule-line);
  }

  .schedule__pick {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.35rem 0.25rem;
    border: 0;
    border-radius: var(--radius-m);
    background: transparent;
    color: var(--color-text);
    font-family: var(--ff-alt);
    font-size: var(--fs-s);
    font-weight: bold;
    cursor: pointer;

    &[aria-pressed="true"] {
      background: var(--schedule-accent);
      color: var(--color-body-bg);

      .schedule__pick-date {
        color: inherit;
      }
    }
  }

  .schedule__pick-date {
    font-size: var(--fs-xs);
    font-weight: normal;
    color: var(--color-text-meta);
  }

  .schedule--picker {
    .schedule__day:not(.schedule__day--selected) {
      display: none;
    }

    /* The picker already names the day. */
    .schedule__day-title {
      position: absolute;
      width: 1px;
      height: 1px;
      overflow: hidden;
      clip-path: inset(50%);
      white-space: nowrap;
    }
  }
}