/* =============================================================================
   COMPONENT: calendar — "What's coming up" (FEA-0020): week strip, appointment
   cards, sync row, and add-appointment sheet aligned to the Calendar prototype.
   ========================================================================== */
@layer components {
  .calendar-page__header { margin-block-end: var(--space-sm); }
  .calendar-page__month {
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-caps);
    text-transform: uppercase;
  }
  .calendar-page__title {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: var(--weight-bold);
    letter-spacing: -0.02em;
  }
  .calendar-page__section { margin-block: var(--space-lg) var(--space-md); }
  .calendar-page__section-title {
    margin: 0 0 var(--space-sm);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-caps);
    text-transform: uppercase;
    color: var(--color-text-muted);
  }
  .calendar-page__add {
    inline-size: calc(100% - var(--space-2xs));
    justify-content: center;
    margin-block: var(--space-md) var(--space-sm);
    padding-block: var(--space-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
  }
  .calendar-page__hint {
    margin: var(--space-2xs) var(--space-2xs) 0;
    font-size: var(--text-xs);
    font-style: italic;
    text-align: center;
    color: var(--color-text-muted);
  }

  /* Week strip (prototype .weekcard / .wk-labels / .wk-nums).
     Day cells keep a 44×44 tap target; the grid scrolls horizontally when
     nav arrows + seven days can't fit (phone / large font / side-nav). */
  .week-strip {
    padding: var(--space-md) var(--space-sm) var(--space-sm);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-xl);
  }
  .week-strip__row {
    display: flex;
    align-items: center;
    gap: var(--space-2xs);
  }
  .week-strip__nav {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    inline-size: var(--touch-target);
    block-size: var(--touch-target);
    flex: none;
    color: var(--color-text-muted);
    border-radius: var(--radius-md);
    &:hover { background: var(--surface-sunken); }
    &:focus-visible { outline: none; box-shadow: var(--focus-ring); }
  }
  .week-strip__grid {
    flex: 1;
    min-inline-size: 0;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .week-strip__grid::-webkit-scrollbar { display: none; }
  .week-strip__labels,
  .week-strip__nums {
    display: grid;
    grid-template-columns: repeat(7, minmax(var(--touch-target), 1fr));
    min-inline-size: calc(7 * var(--touch-target));
    text-align: center;
  }
  .week-strip__labels span {
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    color: var(--color-text-muted);
  }
  .week-strip__nums {
    list-style: none;
    margin: var(--space-xs) 0 0;
    padding: 0;
  }
  .week-strip__day { position: relative; }
  .week-strip__link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    min-inline-size: var(--touch-target);
    min-block-size: var(--touch-target);
    padding: 0;
    color: inherit;
    text-decoration: none;
    &:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--radius-md); }
  }
  .week-strip__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    inline-size: var(--touch-target);
    block-size: var(--touch-target);
    margin-inline: auto;
    border-radius: var(--radius-pill);
    font-size: var(--text-md);
    font-weight: var(--weight-semibold);
  }
  .week-strip__day--today-selected .week-strip__num {
    background: var(--accent);
    color: var(--accent-contrast);
  }
  .week-strip__day--selected .week-strip__num {
    background: var(--accent-tint);
    color: var(--accent);
    box-shadow: inset 0 0 0 2px var(--accent);
  }
  .week-strip__dot {
    position: absolute;
    inset-block-end: var(--space-3xs);
    inset-inline-start: 50%;
    translate: -50% 0;
    inline-size: var(--space-2xs);
    block-size: var(--space-2xs);
    border-radius: var(--radius-pill);
    background: var(--accent);
  }

  /* Shared ⋯ menu (event cards + day detail appointments) */
  .appointment-menu {
    position: absolute;
    inset-block-start: var(--space-sm);
    inset-inline-end: var(--space-sm);
    z-index: 3;
  }
  .appointment-menu__kebab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    inline-size: 2rem;
    block-size: 2rem;
    padding: 0;
    border: 0;
    border-radius: var(--radius-pill);
    background: transparent;
    color: var(--color-text-muted);
    font-size: var(--text-xl);
    line-height: 1;
    cursor: pointer;
    &:hover { background: var(--surface-sunken); }
    &:focus-visible { outline: none; box-shadow: var(--focus-ring); }
  }
  .appointment-menu__panel {
    position: absolute;
    inset-inline-end: 0;
    inset-block-start: calc(100% + var(--space-2xs));
    z-index: 4;
    min-inline-size: 9.5rem;
    padding: var(--space-2xs);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    overflow: hidden;
  }
  .appointment-menu__item {
    display: block;
    inline-size: 100%;
    padding: var(--space-sm) var(--space-md);
    text-align: start;
    background: none;
    border: 0;
    cursor: pointer;
    color: inherit;
    font-size: var(--text-md);
    text-decoration: none;
    &:hover { background: var(--surface-sunken); }
  }
  .appointment-menu__item--danger {
    color: var(--danger);
    border-block-start: var(--border-width) solid var(--color-border);
  }

  /* Calendar sync row (menu-list row on the calendar page) */
  .calendar-sync-row {
    margin-block: var(--space-md);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-lg);
  }

  /* Add / edit appointment sheet */
  .appointment-form-sheet__title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
  }
  .appointment-form__field label {
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-caps);
    text-transform: uppercase;
    color: var(--color-text-muted);
  }
  .appointment-form__save { margin-block-start: var(--space-sm); }

  /* Conflict panel — "On this day already" */
  .appointment-conflict { margin-block: var(--space-sm); }
  .appointment-onday {
    padding: var(--space-md);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--surface-raised);
  }
  .appointment-onday__title {
    margin: 0 0 var(--space-sm);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-caps);
    text-transform: uppercase;
    color: var(--color-text-muted);
  }
  .appointment-onday__list { list-style: none; margin: 0; padding: 0; }
  .appointment-onday__row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-sm);
    padding-block: var(--space-xs);
    border-block-end: var(--border-width) solid var(--color-border);
    font-size: var(--text-md);
    color: var(--color-text-muted);
    &:last-child { border-block-end: 0; }
  }
  .appointment-onday__row--muted { opacity: 0.85; }
  .appointment-onday__time { font-weight: var(--weight-semibold); color: var(--color-text); }
  .appointment-onday__kind { color: var(--accent); font-weight: var(--weight-bold); font-style: normal; }

  .calendar-day-detail { margin-block: var(--space-lg) var(--space-md); }
  .calendar-day-detail__title {
    margin: var(--space-md) var(--space-2xs) var(--space-sm);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-caps);
    text-transform: uppercase;
    color: var(--color-text-muted);
  }
  .calendar-day-detail__empty { font-size: var(--text-md); margin-inline: var(--space-2xs); }

  /* Daypart headers (prototype .daypart) */
  .calendar-daypart {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin: var(--space-lg) var(--space-2xs) var(--space-xs);
    list-style: none;
  }
  .calendar-daypart__icon {
    display: inline-flex;
    flex: none;
    color: color-mix(in srgb, var(--accent) 72%, var(--color-text));
  }
  .calendar-daypart__label {
    font-size: var(--text-sm);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-caps);
    text-transform: uppercase;
    color: var(--color-text-muted);
  }
  .calendar-daypart__line {
    flex: 1;
    block-size: var(--border-width);
    background: var(--color-border);
  }

  /* Day-detail timeline (prototype .tl-item) */
  .calendar-timeline {
    list-style: none;
    margin: 0 0 var(--space-lg);
    padding: 0;
  }
  .calendar-timeline__item {
    display: flex;
    gap: var(--space-sm);
    align-items: flex-start;
    padding: var(--space-md);
    margin: var(--space-xs) var(--space-2xs);
    border-radius: var(--radius-lg);
    list-style: none;
  }

  .calendar-timeline__time {
    flex: none;
    inline-size: 4.125rem;
    text-align: end;
    padding-block-start: var(--space-3xs);
    font-size: var(--text-sm);
    font-weight: var(--weight-bold);
    color: var(--color-text-muted);
    line-height: var(--leading-tight);
  }
  .calendar-timeline__time--anytime {
    font-style: italic;
    font-weight: var(--weight-semibold);
    font-size: var(--text-xs);
  }
  .calendar-timeline__clock { display: block; }
  .calendar-timeline__duration {
    display: block;
    margin-block-start: var(--space-3xs);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    color: var(--color-text-muted);
  }
  .calendar-timeline__body { flex: 1; min-inline-size: 0; }
  .calendar-timeline__title {
    margin: 0;
    font-size: var(--text-md);
    font-weight: var(--weight-bold);
    line-height: 1.3;
  }
  .calendar-timeline__sub {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2xs);
    margin: var(--space-3xs) 0 0;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    & svg { flex: none; margin-block-start: var(--space-3xs); }
  }

  /* Muted care plan (prototype .tl-item.muted) */
  .calendar-timeline__item--muted {
    background: color-mix(in srgb, var(--accent) 3%, var(--surface-sunken));
    border: var(--border-width) dashed var(--color-border);
    box-shadow: none;
  }
  .calendar-timeline__item--muted .calendar-timeline__time,
  .calendar-timeline__item--muted .calendar-timeline__title {
    color: var(--color-text-muted);
    font-weight: var(--weight-semibold);
  }
  .calendar-timeline__item--muted .calendar-timeline__sub {
    color: var(--color-text-muted);
    opacity: 0.85;
  }

  /* Appointment in day detail (prototype .tl-item.appt) */
  .calendar-timeline__item--appt {
    position: relative;
    border-inline-start: 4px solid var(--accent);
    background: linear-gradient(
      90deg,
      color-mix(in srgb, var(--accent) 14%, var(--surface)),
      var(--surface) 60%
    );
    box-shadow: var(--shadow-sm);
  }
  .calendar-timeline__item--appt .calendar-timeline__body {
    padding-inline-end: var(--space-xl);
  }
  .calendar-timeline__item--appt .calendar-timeline__title {
    color: color-mix(in srgb, var(--accent) 72%, var(--color-text));
  }
  .calendar-timeline__item--appt .calendar-timeline__title--tagged {
    color: color-mix(in srgb, var(--accent) 72%, var(--color-text));
  }
  .calendar-timeline__tag { color: var(--accent); }
  .calendar-timeline__appt-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2xs);
    margin-block-end: var(--space-xs);
    padding: var(--space-3xs) var(--space-xs);
    border-radius: var(--radius-pill);
    background: var(--accent-tint);
    color: var(--accent);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-caps);
    text-transform: uppercase;
  }
  .calendar-timeline__addcal {
    display: inline-block;
    margin-block-start: var(--space-sm);
    padding: 0;
    border: 0;
    background: none;
    color: var(--accent);
    font-size: var(--text-sm);
    font-weight: var(--weight-bold);
    text-decoration: underline;
    cursor: pointer;
    &:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--radius-sm); }
  }
  .calendar-timeline__item--appt .appointment-menu {
    inset-block-start: var(--space-sm);
    inset-inline-end: var(--space-sm);
  }
}