/*
 * calendar.css — M9b kalender (publieke maand-grid + agenda + bars).
 *
 * Alle waarden via design tokens in `tokens.css`. Mobile-first: agenda
 * tot 768px, daarna desktop-grid. Cell-hoogte vast (visuele rust);
 * overflow trunceert content + +N-meer-link blijft zichtbaar.
 */

/* --- Container + heading ------------------------------------------------- */

.calendar {
  margin-block-end: var(--space-2xl);
}

.calendar__heading {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-block-end: var(--space-md);
  font-family: var(--font-heading);
}

.calendar__month-name {
  font-size: clamp(2rem, 4vw + 0.5rem, var(--size-headline-lg));
  font-weight: 700;
}

.calendar__year {
  font-size: var(--size-headline-md);
  color: var(--color-text-muted);
}

/* --- Nav (prev/today/next) — chevron-style, matched aan .featured__chevron */

.calendar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-block-end: var(--space-md);
}

.calendar-nav__prev,
.calendar-nav__next {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  border: var(--border-light);
  background: var(--color-surface-lowest);
  color: var(--color-text-muted);
  text-decoration: none;
  transition:
    color var(--transition-default),
    background-color var(--transition-default),
    border-color var(--transition-default);
}

.calendar-nav__prev:hover,
.calendar-nav__next:hover,
.calendar-nav__prev:focus-visible,
.calendar-nav__next:focus-visible {
  color: var(--color-surface-lowest);
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  outline: none;
}

.calendar-nav__today {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-block-size: 40px;
  padding-inline: var(--space-md);
  border: var(--border-light);
  border-radius: var(--radius-pill);
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--size-button);
  font-weight: 500;
  background: var(--color-surface-lowest);
  transition:
    color var(--transition-default),
    background-color var(--transition-default),
    border-color var(--transition-default);
}

.calendar-nav__today:hover,
.calendar-nav__today:focus-visible {
  color: var(--color-surface-lowest);
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  outline: none;
}

/* --- Desktop / mobile switch -------------------------------------------- */

.calendar__desktop {
  display: none;
}

.calendar__mobile {
  display: block;
}

@media (min-width: 768px) {
  .calendar__desktop {
    display: block;
  }

  .calendar__mobile {
    display: none;
  }
}

/* --- Desktop grid — uniforme cell-dimensies ----------------------------- */

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  /* Rij 1 = weekdag-header (2.5rem, matcht .calendar-grid__weekday).
   * Zonder deze expliciete track kreeg rij 1 de grid-auto-rows-hoogte
   * (8rem), waardoor er een grote lege ruimte onder de MA/DI/WO-koprij
   * en boven de eerste datarij ontstond (#3). Datarijen blijven 8rem. */
  grid-template-rows: 2.5rem;
  grid-auto-rows: 8rem; /* vaste cell-hoogte; geeft visuele rust */
  border-block-start: 1px solid var(--color-border);
  border-inline-start: 1px solid var(--color-border);
}

.calendar-grid__weekdays {
  display: contents;
}

.calendar-grid__weekday {
  padding: var(--space-xs);
  font-size: var(--size-label-md);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  background: var(--color-surface-low);
  border-block-end: 1px solid var(--color-border);
  border-inline-end: 1px solid var(--color-border);
  text-align: center;
  /* weekday-header eigen hoogte, niet de cell-row-hoogte */
  grid-row: 1;
  block-size: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.calendar-grid__cells {
  display: contents;
}

/* Week-rij (role="row") — layout-transparant zodat de 7 dag-cellen
   direct in de 7-koloms-grid vallen, terwijl de ARIA-rij-hiërarchie
   (grid > row > gridcell) intact blijft. */
.calendar-grid__week {
  display: contents;
}

.calendar-cell {
  display: flex;
  flex-direction: column;
  padding: var(--space-xs);
  border-block-end: 1px solid var(--color-border);
  border-inline-end: 1px solid var(--color-border);
  background: var(--color-surface-lowest);
  position: relative;
  overflow: hidden;
  min-inline-size: 0; /* fix voor truncation in grid-cells */
}

.calendar-cell--out {
  background: var(--color-surface-container);
  /* De-emphasis via gedempte achtergrond + tekstkleur, NIET via opacity:
     opacity vervaagt de datum-tekst richting de achtergrond en breekt zo
     het WCAG-AA-contrast (1.4.3). De gedempte kleuren houden spillover-
     dagen visueel rustiger terwijl de tekst leesbaar blijft. */
}

.calendar-cell--today {
  box-shadow: inset 0 0 0 2px var(--color-accent);
}

.calendar-cell__date {
  align-self: flex-start;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  padding: 2px 6px;
  border-radius: var(--radius-card);
  font-size: var(--size-label-md);
}

.calendar-cell--out .calendar-cell__date {
  color: var(--color-text-muted);
}

.calendar-cell__date:hover,
.calendar-cell__date:focus-visible {
  background: var(--color-surface-low);
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

/* --- Multi-day bars ----------------------------------------------------- */

.calendar-cell__bars {
  list-style: none;
  margin: var(--space-xs) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.calendar-bar {
  block-size: 18px;
  background: var(--color-accent);
  color: var(--color-surface-lowest);
  font-size: var(--size-meta);
  line-height: 18px;
  border-radius: 3px;
  overflow: hidden;
  white-space: nowrap;
}

.calendar-bar--row-1 {
  background: var(--color-secondary);
}

.calendar-bar--row-2 {
  background: var(--color-on-tertiary-fixed-variant);
}

.calendar-bar__link {
  display: block;
  padding-inline: 6px;
  color: inherit;
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* --- Single-day badges -------------------------------------------------- */

.calendar-cell__badges {
  list-style: none;
  margin: var(--space-xs) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-block-size: 0;
}

.calendar-badge {
  display: block;
  padding: 2px 6px;
  background: var(--color-surface-low);
  border-inline-start: 3px solid var(--color-accent);
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--size-meta);
  border-radius: 2px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.calendar-badge:hover,
.calendar-badge:focus-visible {
  background: var(--color-surface-container);
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.calendar-cell__more {
  margin-block-start: auto;
  font-size: var(--size-meta);
  color: var(--color-text-muted);
  text-decoration: none;
}

.calendar-cell__more:hover,
.calendar-cell__more:focus-visible {
  text-decoration: underline;
  color: var(--color-text);
}

/* --- Mobile agenda ------------------------------------------------------ */

.calendar-agenda {
  list-style: none;
  margin: 0;
  padding: 0;
}

.calendar-agenda__day {
  padding-block: var(--space-sm);
  border-block-end: 1px solid var(--color-border);
}

.calendar-agenda__day--today {
  background: var(--color-surface-low);
}

.calendar-agenda__date {
  position: sticky;
  inset-block-start: 0;
  margin: 0 0 var(--space-xs);
  padding-block: var(--space-xs);
  font-size: var(--size-body-md);
  font-weight: 500;
  background: var(--color-surface);
  color: var(--color-text);
}

.calendar-agenda__events {
  list-style: none;
  margin: 0;
  padding-inline-start: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.calendar-agenda__events a {
  display: block;
  color: var(--color-text);
  text-decoration: none;
}

.calendar-agenda__events a:hover,
.calendar-agenda__events a:focus-visible {
  text-decoration: underline;
}

.calendar-agenda__more {
  display: inline-block;
  margin-block-start: var(--space-xs);
  margin-inline-start: var(--space-sm);
  font-size: var(--size-meta);
  color: var(--color-text-muted);
}

/* --- Day-view ----------------------------------------------------------- */

.calendar-day {
  margin-block-end: var(--space-2xl);
}

.calendar-day__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  font-size: var(--size-label-md);
  color: var(--color-text-muted);
  margin-block-end: var(--space-sm);
}

.calendar-day__breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.calendar-day__breadcrumb a:hover,
.calendar-day__breadcrumb a:focus-visible {
  text-decoration: underline;
  color: var(--color-text);
}

.calendar-day__heading {
  font-size: clamp(2rem, 4vw + 0.5rem, var(--size-headline-lg));
  font-family: var(--font-heading);
  margin-block-end: var(--space-md);
}

.calendar-day__count {
  color: var(--color-text-muted);
  margin-block-end: var(--space-md);
}

.calendar-day__empty {
  padding: var(--space-md) 0;
  color: var(--color-text-muted);
}

/* --- Desktop tooltip (≥1024px via JS) ---------------------------------- */

.calendar-tooltip {
  position: absolute;
  display: none;
  inset-block-start: 0;
  inset-inline-start: 0;
  max-inline-size: 240px;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-text);
  color: var(--color-surface);
  font-size: var(--size-meta);
  border-radius: var(--radius-card);
  pointer-events: none;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}