body {
  font-family: Arial, sans-serif;
  padding: 20px;
  margin: 0;
  background-color: #f0f4f0;
  color: #333;
}

h1 {
  text-align: center;
  color: #2c5e2d;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(50px, 1fr));
  gap: 10px;
  margin: 20px auto;
  max-width: 600px;
}

.number {
  background-color: #4CAF50;
  color: white;
  padding: 15px;
  text-align: center;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.2s;
  font-weight: bold;
}

.number:hover {
  background-color: #45a049;
  transform: scale(1.05);
}

.number.marcado {
  background-color: #a5a5a5;
  cursor: default;
  transform: scale(0.95);
  color: #555;
}

.controles {
  text-align: center;
  margin: 20px 0;
}

#sortearBtn {
  background-color: #3498db;
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 1em;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.2s;
}

#sortearBtn:hover {
  background-color: #2980b9;
}

/* --- ESTILOS DO MODAL DE PERGUNTA --- */

/* Esconde o modal por padrão */
.modal-oculto {
  display: none !important;
}

#pergunta-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.75); /* Fundo escuro semi-transparente */
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  box-sizing: border-box;
  /* Animação de surgimento */
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* Classe para mostrar o modal */
#pergunta-modal.visivel {
    opacity: 1;
    visibility: visible;
}

.modal-conteudo {
  background-color: #ffffff;
  padding: 50px 30px 30px 30px; /* Mais espaço no topo para o botão de fechar */
  border-radius: 10px;
  max-width: 600px;
  width: 100%;
  text-align: center;
  position: relative;
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  /* Animação de entrada */
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

#pergunta-modal.visivel .modal-conteudo {
    transform: scale(1);
}

.fechar-btn {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 2.5rem;
  line-height: 1;
  font-weight: bold;
  color: #777;
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.2s;
}

.fechar-btn:hover {
  color: #000;
}

#texto-pergunta-modal {
  font-size: 1.5em; /* Fonte maior para destaque */
  font-weight: bold;
  color: #2c5e2d;
  min-height: 50px;
  margin: 0 0 20px 0;
}

#texto-resposta-modal {
  display: none;
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid #e0e0e0;
  font-style: italic;
  font-size: 1.1em;
  color: #333;
  text-align: left;
}

#mostrarRespostaBtnModal {
  background-color: #f39c12;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  cursor: pointer;
  margin-top: 15px;
  transition: background-color 0.2s;
  font-size: 1em;
}

#mostrarRespostaBtnModal:hover {
  background-color: #e67e22;
}