body {
  background-color: #faf3f0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
}

.minha-calculadora {
  background: #fff0f6;
  border-radius: 20px;
  box-shadow: 0 8px 15px rgba(230, 150, 180, 0.4);
  width: 320px;
  padding: 25px;
}

.tela {
  background-color: #ffd6e8;
  border-radius: 15px;
  height: 70px;
  font-size: 36px;
  color: #d6336c;
  text-align: right;
  padding: 10px 20px;
  margin-bottom: 20px;
  user-select: none;
  box-shadow: inset 0 3px 5px rgba(255, 255, 255, 0.6);
}

.botoes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
}

.botao {
  background: #ffe3ec;
  border: none;
  border-radius: 15px;
  font-size: 22px;
  color: #9e2a56;
  font-weight: 600;
  padding: 15px 0;
  cursor: pointer;
  box-shadow: 0 6px 8px rgba(206, 91, 132, 0.4);
  transition: background 0.3s ease, box-shadow 0.2s ease;
  user-select: none;
}

.botao:hover {
  background: #ffadd2;
  box-shadow: 0 8px 12px rgba(206, 91, 132, 0.6);
}

.operador {
  background: #f6c1d6;
  color: #7b1f3f;
  font-weight: 700;
  box-shadow: 0 6px 8px rgba(180, 70, 110, 0.5);
}

.operador:hover {
  background: #e78eb5;
  box-shadow: 0 8px 12px rgba(180, 70, 110, 0.7);
}

.limpar {
  background: #fcc2d7;
  color: #671a32;
  font-weight: 700;
  box-shadow: 0 6px 8px rgba(183, 48, 80, 0.5);
}

.limpar:hover {
  background: #e794a6;
  box-shadow: 0 8px 12px rgba(183, 48, 80, 0.7);
}

.igual {
  grid-column: span 4;
  background: #d6336c;
  color: white;
  font-weight: 700;
  font-size: 26px;
  box-shadow: 0 6px 12px rgba(214, 51, 108, 0.8);
}

.igual:hover {
  background: #a1244f;
  box-shadow: 0 8px 16px rgba(214, 51, 108, 1);
}

@media (max-width: 400px) {
  .minha-calculadora {
    width: 95vw; /* 95% da largura da tela */
    padding: 15px;
  }

  .tela {
    font-size: 28px;
    height: 60px;
    padding: 8px 15px;
  }

  .botao {
    font-size: 18px;
    padding: 12px 0;
  }

  .igual {
    font-size: 22px;
  }
}