@layer components {
  /* ── Exam calendar (#1355): month and week grid, agenda list ── */
  .exam-calendar {
    --subject-colour: oklch(0.62 0.13 var(--subject-hue, 220));

    margin-block-end: 2rem;
  }

  .exam-calendar-toolbar {
    align-items: end;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.5rem;
    justify-content: space-between;
    margin-block-end: 0.75rem;
  }
  .exam-calendar-title { margin: 0; }
  .exam-calendar-period { color: var(--color-text-secondary); margin: 0; }
  .exam-calendar-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;

    & a[aria-current="page"] { background: var(--color-primary-tint); font-weight: 600; }
  }

  .exam-calendar-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-block-end: 0.75rem;

    & a {
      border: 1px solid var(--color-border);
      border-radius: 999px;
      color: var(--color-text);
      font-size: 0.8125rem;
      padding: 0.125rem 0.75rem;
      text-decoration: none;
    }
    & a[aria-current="page"] { background: var(--color-primary); color: var(--color-text-on-primary); }
  }

  .exam-calendar-weekdays,
  .exam-calendar-grid {
    display: grid;
    gap: 1px;
    grid-template-columns: repeat(7, minmax(0, 1fr));
  }
  .exam-calendar-weekdays {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    padding-block-end: 0.25rem;
    text-align: center;
  }
  .exam-calendar-grid {
    background: var(--color-border);
    border: 1px solid var(--color-border);
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .exam-calendar-day {
    background: var(--color-surface);
    min-block-size: 6rem;
    padding: 0.25rem;

    &.is-outside { background: var(--color-surface-sunken); color: var(--color-text-muted); }
    &.is-today .exam-calendar-day-number {
      background: var(--color-primary);
      border-radius: 999px;
      color: var(--color-text-on-primary);
      padding-inline: 0.375rem;
    }
  }
  .exam-calendar-day-number { font-size: 0.75rem; font-weight: 600; }

  .exam-calendar-entries {
    display: grid;
    gap: 0.25rem;
    list-style: none;
    margin: 0.25rem 0 0;
    padding: 0;
  }
  .exam-calendar-entry {
    background: color-mix(in oklch, var(--subject-colour) 14%, var(--color-surface));
    border: 1px solid color-mix(in oklch, var(--subject-colour) 45%, var(--color-surface));
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    line-height: 1.3;
    padding: 0.25rem 0.375rem;

    & a { color: inherit; display: block; }
    & del { color: var(--color-text-muted); }
  }
  .exam-calendar-entry-kind {
    border: 1px solid currentcolor;
    border-radius: 0.25rem;
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 0 0.25rem;
    text-transform: uppercase;
  }
  .exam-calendar-entry-time,
  .exam-calendar-entry-name,
  .exam-calendar-entry-subject { display: block; }
  .exam-calendar-entry-time { font-variant-numeric: tabular-nums; }
  .exam-calendar-entry-name { font-weight: 600; overflow-wrap: anywhere; }
  .exam-calendar-entry-subject { color: var(--color-text-secondary); }

  .exam-calendar-agenda {
    display: grid;
    gap: 1rem;
    list-style: none;
    margin: 0;
    padding: 0;

    & .exam-calendar-entry { font-size: 0.875rem; padding: 0.5rem 0.75rem; }
  }
  .exam-calendar-agenda-date { font-size: 1rem; margin: 0 0 0.25rem; }
  .exam-calendar-empty { color: var(--color-text-muted); }
}