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

body {
  font-family: Arial, sans-serif;
  background-color: #f3f0ff;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  text-align: center;
  background-color: #fff;
  padding: 40px 50px;
  border-radius: 14px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

h1 {
  color: #5b21b6;
  margin-bottom: 20px;
}

#valor-contador {
  font-size: 4rem;
  font-weight: bold;
  color: #333;
  margin-bottom: 25px;
}

#valor-contador.positivo {
  color: #16a34a;
}

#valor-contador.negativo {
  color: #dc2626;
}

.botoes {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.botoes button {
  padding: 12px 20px;
  font-size: 1.1rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  background-color: #5b21b6;
  color: #fff;
  transition: background-color 0.2s;
}

.botoes button:hover {
  background-color: #4c1d95;
}

#botao-resetar {
  background-color: #9ca3af;
}

#botao-resetar:hover {
  background-color: #6b7280;
}