/* ============================================
   PROGRAMME — filtres, grille des jours, event-card
   ============================================ */

/* --- FILTERS (barre sticky, thème inversé) --- */
.filters {
  --color-bg: #000;
  --color-text: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px var(--gutter);
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  position: sticky;
  top: var(--header-actual-height, 52px);
  z-index: 90;
  background: var(--color-bg);
  color: var(--color-text);
}

.filters__title {
  font-size: var(--text-md);
  white-space: nowrap;
  flex-shrink: 0;
  margin-right: 8px;
}

.filters__group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.filters__label {
  font-size: var(--text-sm);
  line-height: var(--leading-sm);
  letter-spacing: var(--tracking);
  opacity: 0.5;
  white-space: nowrap;
}

.filters__btn {
  font-size: var(--text-md);
  line-height: var(--leading-md);
  letter-spacing: var(--tracking);
  padding: 4px 10px;
  white-space: nowrap;
  color: var(--color-text);
  background: none;
  border-radius: 2px;
  transition: color 0.2s ease, background 0.2s ease;
}

.filters__btn:hover,
.filters__btn--venue.is-active {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --- EVENTS — grille jour / cards ---
   (.events : pas de padding, les rangées vont bord à bord) */
.events__row {
  display: grid;
  grid-template-columns: var(--date-col) 1fr;
  border-bottom: 1px solid var(--color-text);
  position: relative;
}

.events__date {
  grid-column: 1;
  font-family: var(--font-display);
  background: var(--color-bg);
  color: var(--color-text);
}

.events__date__inner {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 0.35em;
  width: 100%;
  padding: 8px var(--gutter);
  position: sticky;
  top: calc(var(--header-actual-height, 52px) + var(--filters-actual-height, 40px));
}

/* font-weight / letter-spacing : via .text-display (posée dans le template) */
.events__day-name {
  font-size: var(--text-date);
  line-height: var(--leading-date);
  margin-right: 0.25em;
}

.events__day-number {
  font-size: var(--text-date);
  line-height: var(--leading-date);
}

.events__day-link {
  flex-basis: 100%;
  font-size: var(--text-sm);
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-top: 4px;
}

.events__track {
  grid-column: 2;
  grid-row: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-content: start;
  gap: 0;
  background: var(--color-bg);
}

/* Séparateurs noirs et insets entre cards (ne touchent pas les bords).
   Cellules vides : aucun pseudo → restent blanches. */
@media (min-width: 769px) {
  .events__track > .event-card {
    position: relative;
  }

  /* séparateur vertical (entre colonnes) */
  .events__track > .event-card::after {
    content: '';
    position: absolute;
    top: var(--gutter);
    bottom: var(--gutter);
    right: 0;
    width: 1px;
    background: #000;
  }

  /* pas de séparateur à droite de la 3e colonne */
  .events__track > .event-card:nth-child(3n)::after {
    content: none;
  }

  /* séparateur horizontal (bas) — uniquement quand le jour est déployé
     (sinon une seule rangée visible). Toutes les cards visibles → nth-child fiable. */
  .events__row.is-day-open .events__track > .event-card::before {
    content: '';
    position: absolute;
    left: var(--gutter);
    right: var(--gutter);
    bottom: 0;
    height: 1px;
    background: #000;
  }

  /* pas de trait sous les cards de la DERNIÈRE rangée (grille 3 colonnes) */
  .events__row.is-day-open .events__track > .event-card:last-child:nth-child(3n+1)::before,
  .events__row.is-day-open .events__track > .event-card:last-child:nth-child(3n+2)::before,
  .events__row.is-day-open .events__track > .event-card:nth-last-child(2):nth-child(3n+1)::before,
  .events__row.is-day-open .events__track > .event-card:last-child:nth-child(3n)::before,
  .events__row.is-day-open .events__track > .event-card:nth-last-child(2):nth-child(3n+2)::before,
  .events__row.is-day-open .events__track > .event-card:nth-last-child(3):nth-child(3n+1)::before {
    content: none;
  }

  .event-card.is-hidden-desktop {
    display: none;
  }
}

/* Hidden on desktop, injected + shown on mobile via JS */
.events__day-toggle {
  display: none;
}

/* --- EVENT CARD --- */
.event-card {
  padding: var(--gutter);
  display: grid;
  grid-template-columns: 1fr auto;
  column-gap: 12px;
  row-gap: 6px;
  align-content: start;
  background: var(--color-bg);
}

.event-card__tags {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
  cursor: pointer;
}

.event-card__title {
  grid-column: 1 / -1;
  grid-row: 2;
  font-family: var(--font-display);
  font-size: var(--text-md);
  line-height: 1.1;
  align-self: start;
  cursor: pointer;
}

.event-card__desc {
  grid-column: 1 / -1;
  grid-row: 3;
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.45;
}

.event-card__cta {
  display: none;
  grid-column: 1 / -1;
  grid-row: 5;
  align-self: start;
  width: fit-content;
}

.event-card.is-open .event-card__cta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: var(--text-md);
  line-height: var(--leading-md);
  letter-spacing: var(--tracking);
  padding: 3px 8px;
  border: 1px solid var(--color-border);
  transition: all 0.2s ease;
}

.event-card__cta::after {
  content: '→';
}

.event-card__cta:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

.event-card__more {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  align-self: start;
  font-size: var(--text-md);
}

/* --- SESSIONS (card dépliée) --- */
.event-card__sessions {
  grid-column: 1 / -1;
  grid-row: 4 / 5;
  display: none;
  flex-direction: column;
  margin-top: 4px;
  border-top: 1px solid var(--color-border);
}

.event-card.is-open .event-card__sessions {
  display: flex;
  flex-direction: column;
}

.event-card__session {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}

.event-card__session-time {
  flex: 0 0 auto;
  font-size: var(--text-sm);
  color: var(--color-text);
  white-space: nowrap;
  margin-right: 8px;
}

.event-card__session-type {
  flex: 1;
  font-size: var(--text-sm);
  text-align: right;
  white-space: nowrap;
}

.event-card__session-title {
  flex: 0 0 100%;
  font-size: var(--text-sm);
  margin-top: 2px;
}

/* --- MOBILE --- */
@media (max-width: 768px) {
  .filters {
    top: var(--header-actual-height, 120px);
    gap: 16px;
    flex-wrap: nowrap;
  }

  /* Vertical programme layout */
  .events__row {
    display: flex;
    flex-direction: column;
    min-height: auto;
  }

  .events__date__inner {
    flex-direction: row;
    align-items: center;
  }

  .events__day-link {
    display: none;
  }

  /* Sticky date header per day */
  .events__date {
    position: sticky;
    top: calc(var(--header-actual-height, 120px) + var(--filters-actual-height, 52px));
    z-index: 80;
    background: var(--color-bg);
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
    flex: none;
    width: 100%;
    min-width: 100%;
    max-width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 6px;
    padding: 8px 0;
    cursor: pointer;
  }

  /* Vertical card stack */
  .events__track {
    display: flex;
    flex-direction: column;
    gap: 0;
    background: none;
    overflow-x: visible;
    overflow-y: visible;
    cursor: default;
  }

  .events__row.is-collapsed .events__track {
    display: none;
  }

  /* Jour déployé : pas de stroke grise directement sous l'en-tête du jour */
  .events__row:not(.is-collapsed) .events__date {
    border-bottom: none;
  }

  .events__row:not(.is-collapsed) .events__track .event-card:first-child {
    border-top: none;
  }

  /* Toggle button — mobile only */
  .events__day-toggle {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin-left: auto;
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    font-size: 1.5rem;
    line-height: 1;
    color: inherit;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
  }

  .event-card {
    flex: none;
    width: 100%;
    padding: var(--gutter);
    border-left: none;
    position: relative;
  }

  /* séparateur noir inset entre cards empilées (pas au-dessus de la 1re) */
  .events__track > .event-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: var(--gutter);
    right: var(--gutter);
    height: 1px;
    background: #000;
  }

  .events__track > .event-card:first-child::before {
    content: none;
  }
}