@layer components {
  .calendar {
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    width: 100%;
    min-width: 0;
  }

  .calendar__toolbar {
    position: sticky;
    top: 0;
    left: 0;
    z-index: 5;
    align-self: stretch;
    align-items: center;
    box-sizing: border-box;
    width: 100%;
    max-width: none;
    border-bottom: 1px solid var(--color-ink-lightest);
    border-top: 0;
    margin: 0 0 1rem;
    padding-left: 1rem;
    padding-right: 1rem;
    background-color: var(--color-canvas);
  }

  .calendar__toolbar_start,
  .calendar__toolbar_end {
    display: flex;
    flex-direction: row;
    align-items: center;
  }

  .calendar__toolbar_start {
    gap: 0.75rem;
  }

  .calendar__toolbar_end {
    gap: 0.65rem;
  }

  .calendar__year_current {
    color: var(--color-ink);
    font-size: var(--text-small);
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1;
    font-variant-numeric: tabular-nums;
  }

  .calendar__home_link,
  .calendar__year_link {
    color: var(--color-ink);
    font-size: var(--text-small);
    font-weight: 600;
    letter-spacing: 0.02em;
    line-height: 1;
    text-decoration: none;
  }

  .calendar__home_link:hover,
  .calendar__year_link:hover {
    color: var(--color-ink-darker);
  }

  .calendar__today_btn {
    --btn-background: oklch(var(--lch-blue-medium));
    --btn-border-color: oklch(var(--lch-blue-medium));
    --btn-padding: 0.35rem 0.9rem;
    --btn-hover-brightness: 0.92;

    align-items: center;
    color: var(--color-canvas);
    font-size: var(--text-small);
    font-weight: 600;
    letter-spacing: 0.02em;
    line-height: 1;
    text-decoration: none;
  }

  .calendar__weeks {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    min-width: 0;
  }

  .calendar__sentinel {
    height: 1px;
    width: 100%;
    pointer-events: none;
  }

  .calendar_week__gutter {
    display: flex;
    flex-direction: column;
    flex: 0 0 2rem;
    width: 2rem;
    min-width: 2rem;
    border-right: 2px solid var(--color-ink);
  }

  .calendar_week__gutter_segment {
    display: flex;
    flex: 1 1 0;
    align-items: flex-start;
    justify-content: center;
    min-height: 0;
    overflow: hidden;
  }

  .calendar_week__gutter_segment + .calendar_week__gutter_segment {
    border-top: 1px solid var(--color-ink);
  }

  .calendar_week__gutter_segment--ink {
    background: var(--color-ink);
    color: var(--color-canvas);
  }

  .calendar_week__gutter_segment--canvas {
    background: var(--color-canvas);
    color: var(--color-ink);
  }

  .calendar_week__gutter_label {
    box-sizing: border-box;
    font-size: var(--text-x-small);
    font-weight: 600;
    letter-spacing: 0.08em;
    line-height: 1;
    padding: 0.45rem 0;
    text-transform: uppercase;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
  }

  @media (max-width: 48rem) {
    .calendar__toolbar {
      margin-bottom: 0.5rem;
      padding: 0.3rem 0.5rem;
    }

    .calendar__home_link {
      display: none;
    }

    .calendar__toolbar_start {
      gap: 0.5rem;
    }

    .calendar__toolbar_end {
      gap: 0.45rem;
    }

    .calendar__year_current,
    .calendar__home_link,
    .calendar__year_link {
      font-size: var(--text-x-small);
    }

    .calendar__today_btn {
      --btn-padding: 0.25rem 0.65rem;
      font-size: var(--text-x-small);
    }

    .calendar__weeks {
      gap: 0.45rem;
    }

    .calendar_week__gutter {
      flex-basis: 0.9rem;
      width: 0.9rem;
      min-width: 0.9rem;
    }

    .calendar_week__gutter_label {
      font-size: var(--text-xx-small);
      letter-spacing: 0.04em;
      padding: 0.25rem 0;
    }
  }
}

@layer modules {
  body.calendar-page {
    height: 100dvh;
    overflow: hidden;
    max-inline-size: 100vw;
    grid-template-columns: minmax(0, 1fr);
  }

  body.calendar-page main {
    max-width: 100%;
    min-width: 0;
    min-height: 0;
    overflow: auto;
  }
}