@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

:root {
  --fundo-principal: #0F172A;
  --fundo-card: #1E293B;
  --cor-destaque: #38BDF8;
  --cor-secundaria: #22D3EE;
  --texto-principal: #F1F5F9;
  --texto-secundario: #94A3B8;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--fundo-principal);
  color: var(--texto-principal);
  min-height: 100vh;

  display: flex;
  justify-content: center;
  align-items: center;
}

section {
  background-color: var(--fundo-card);
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  text-align: center;
  padding: 30px 20px;

  width: 90%;
  max-width: 600px;
  height: 500px;

  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 25px;
}

.texto p {
  font-size: 1.2rem;
}

.texto h1 {
  font-size: 2rem;
}

.color-span {
  color: var(--texto-secundario);
}

.opcoes-secao {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.opcoes label {
  font-size: 1rem;
}

#categoria {
  background-color: var(--texto-principal);
  color: var(--fundo-principal);
  border: none;
  border-radius: 5px;
  padding: 8px;
  font-weight: bold;
  font-family: 'Poppins', sans-serif;
  margin-left: 10px;
}

#categoria option {
  font-weight: bold;
}

#mostrar {
  background-color: var(--cor-destaque);
  color: var(--fundo-principal);
  border: none;
  border-radius: 5px;
  padding: 10px 30px;
  font-weight: bold;
  font-family: 'Poppins', sans-serif;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

#mostrar:hover {
  background-color: #43d7ee;
  transform: scale(1.05);
}

#resultado {
  font-size: 1.1rem;
  margin-top: 1rem;
}

@media (max-width: 480px) {
  .texto h1 {
    font-size: 1.5rem;
  }

  .texto p {
    font-size: 1rem;
  }

  #mostrar {
    width: 100%;
  }

  section {
    padding: 20px 15px;
  }
}

footer {
  text-align: center;
  padding: 20px;
  background-color: #1E293B;
  font-size: 0.9rem;
  color: var(--texto-principal);
}