/* ========================================
   FILE: modals.css
   DESCRIZIONE: Questo file gestisce lo stile dei popup interattivi (modali)
   usati per filtrare i post (Topic e Year) e per ordinarli (New/Old).
   Include i posizionamenti assoluti, gli stati attivi e gli adattamenti mobile.
   ======================================== */

/* --- FILTER MODAL --- */
/* Contenitore invisibile a tutto schermo per bloccare i click esterni */
.filter-modal {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  pointer-events: none;
}

/* Stato attivo applicato dal JS per mostrare il modale */
.filter-modal.active {
  display: block;
  pointer-events: auto;
}

/* Il vero riquadro del popup */
.filter-modal-content {
  position: absolute;
  top: 155px;
  right: 100px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  width: 420px;
  max-height: 350px;
}

/* Layout a griglia per dividere Topic e Year in due colonne */
.filter-sections {
  padding: 0;
  overflow: hidden;
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  max-height: 340px;
}

.filter-section {
  margin-bottom: 0;
  padding: 1rem 1.2rem;
  overflow-y: auto;
  border-right: 1px solid var(--border-light);
}

.filter-section:last-child {
  border-right: none;
}

.filter-section h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.filter-options {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Singola opzione del filtro con hover state */
.filter-option {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  padding: 0.4rem 0.5rem;
  border-radius: 4px;
  transition: background 0.2s;
}

.filter-option:hover {
  background: var(--hover-bg);
}

.filter-option input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--checkbox-accent);
}

.filter-option label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  flex: 1;
}

/* Barra inferiore del modale per il bottone di uscita */
.filter-modal-footer {
  display: flex;
  justify-content: flex-end;
  padding: 0.75rem 1.2rem;
  border-top: 1px solid var(--border-color);
  gap: 0.5rem;
}

.filter-clear {
  background: transparent;
  color: var(--text-muted);
  border: none;
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  font-size: 0.85rem;
  cursor: pointer;
}

.filter-clear:hover {
  background: var(--hover-bg);
}


/* --- SORT MODAL --- */
/* Contenitore invisibile per l'ordinamento */
.sort-modal {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  pointer-events: none;
}

.sort-modal.active {
  display: block;
  pointer-events: auto;
}

/* Riquadro del popup di ordinamento */
.sort-modal-content {
  position: absolute;
  top: 155px;
  right: 40px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  width: 200px;
}

.sort-options {
  display: flex;
  flex-direction: column;
  padding: 0.5rem 0;
}

/* Singola opzione (radio button) */
.sort-option {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  cursor: pointer;
  padding: 0.6rem 1.2rem;
  transition: background 0.2s;
}

.sort-option:hover {
  background: var(--hover-bg);
}

.sort-option input[type="radio"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--checkbox-accent);
}

.sort-option label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  flex: 1;
}

/* ========================================
   RESPONSIVE (MOBILE)
   Adattamenti per schermi più piccoli (sotto i 768px)
   ======================================== */
@media (max-width: 768px) {
  
  /* Adattamento del popup dei filtri */
  .filter-modal-content {
    top: 140px;
    right: 20px;
    left: 20px;
    width: auto; /* Prende tutto lo spazio disponibile con margine */
    max-height: 280px;
  }

  .filter-sections {
    max-height: 220px;
  }

  .filter-section {
    padding: 0.8rem 1rem;
  }

  .filter-section h4 {
    font-size: 0.8rem;
    margin-bottom: 0.6rem;
  }

  .filter-option {
    padding: 0.3rem 0.4rem;
    gap: 0.5rem;
  }

  .filter-option input[type="checkbox"] {
    width: 14px;
    height: 14px;
  }

  .filter-option label {
    font-size: 0.85rem;
  }

  .filter-modal-footer {
    padding: 0.6rem 1rem;
  }

  .filter-clear {
    padding: 0.35rem 0.7rem;
    font-size: 0.8rem;
  }

  /* Adattamento del popup di ordinamento */
  .sort-modal-content {
    top: 140px;
    right: 20px;
    width: 180px;
  }

  .sort-option {
    padding: 0.5rem 1rem;
  }

  .sort-option input[type="radio"] {
    width: 14px;
    height: 14px;
  }

  .sort-option label {
    font-size: 0.85rem;
  }
}