/* Estilos para o componente de modal
 * Implementa: overlay, animações de entrada/saída e botões de ação
 * Utiliza z-index para garantir que o modal apareça sobre outros elementos
 */
.modal-button {
  display: block;
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--secondary);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition-normal);
  margin: 0 auto;
  font-weight: 500;
  font-size: var(--font-size-base);
}

.modal-button:hover {
  background-color: var(--accent);
}

/* Container principal do modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-modal);
}

.modal.active {
  display: block;
}

/* Overlay semi-transparente */
.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-overlay);
}

/* Conteúdo do modal */
.modal-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background-color: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--radius);
  max-width: 500px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  z-index: var(--z-modal);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.modal.active .modal-content {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}

/* Cabeçalho do modal */
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
  font-size: var(--font-size-xl);
  color: var(--gray-800);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  cursor: pointer;
  color: var(--gray-500);
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  color: var(--secondary);
}

/* Corpo do modal */
.modal-body {
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-base);
}

/* Rodapé do modal com botões de ação */
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
}

.modal-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  min-width: 120px;
  text-align: center;
  flex: 1;
  font-size: var(--font-size-base);
  border: none;
}

.modal-btn-secondary {
  background-color: var(--gray-200);
  color: var(--gray-700);
}

.modal-btn-secondary:hover {
  background-color: var(--gray-300);
}

.modal-btn-primary {
  background-color: var(--secondary);
  color: var(--white);
}

.modal-btn-primary:hover {
  background-color: var(--accent);
}

/* Responsividade */
@media (max-width: 768px) {
  .modal-footer {
    flex-wrap: wrap;
  }
}