sistema de doação com valores múltiplos

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HTML

<!DOCTYPE html>
<html lang="fr">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
  <title>Faites un Don</title>
  <style>
    body {
      margin: 0;
      font-family: 'Segoe UI', sans-serif;
      background: linear-gradient(to right, #f0f4f8, #dbefff);
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
    }

.don-container {
      background-color: #fff;
      padding: 40px;
      border-radius: 16px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
      text-align: center;
      animation: slideFade 1s ease;
      max-width: 400px;
      width: 100%;
    }

@keyframes slideFade {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

.don-container h1 {
      color: #2c3e50;
      margin-bottom: 15px;
    }

.don-container p {
      color: #555;
      margin-bottom: 25px;
    }

.amount-options {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      justify-content: center;
      margin-bottom: 20px;
    }

.amount-btn {
      background-color: #ecf0f1;
      color: #2c3e50;
      border: none;
      padding: 12px 20px;
      border-radius: 8px;
      cursor: pointer;
      transition: 0.3s;
      font-weight: bold;
    }

.amount-btn:hover,
    .amount-btn.active {
      background-color: #3498db;
      color: white;
    }

.custom-amount {
      margin-top: 10px;
    }

.custom-amount input {
      padding: 10px;
      border-radius: 6px;
      border: 1px solid #ccc;
      width: 100px;
      text-align: center;
    }

.don-btn {
      margin-top: 25px;
      background: #2ecc71;
      color: white;
      padding: 14px 28px;
      border: none;
      border-radius: 8px;
      font-size: 1rem;
      cursor: pointer;
      transition: 0.3s ease;
    }

.don-btn:hover {
      background: #27ae60;
    }

@media (max-width: 500px) {
      .amount-options {
        flex-direction: column;
        align-items: center;
      }

.custom-amount input {
        width: 80%;
      }
    }
  </style>
</head>
<body>
  <div class="don-container">
    <h1>Faites un Don ❤️</h1>
    <p>Merci de soutenir notre projet. Choisissez un montant :</p>

<button class="don-btn" onclick="processDonation()">Faire un don</button>
  </div>

amountButtons.forEach(btn => {
      btn.addEventListener('click', () => {
        amountButtons.forEach(b => b.classList.remove('active'));
        btn.classList.add('active');
        customAmountInput.value = '';
      });
    });

customAmountInput.addEventListener('input', () => {
      amountButtons.forEach(b => b.classList.remove('active'));
    });

function processDonation() {
      let selectedAmount = document.querySelector('.amount-btn.active');
      let customAmount = customAmountInput.value;

let amount = selectedAmount ? selectedAmount.dataset.amount : customAmount;

if (!amount || amount <= 0) {
        alert("Veuillez sélectionner ou entrer un montant valide.");
        return;
      }

// Redirige vers PayPal avec le montant
      let paypalLink = `https://www.paypal.com/donate?business=VOTRE_EMAIL_PAYPAL&amount=${amount}¤cy_code=EUR`;
      window.open(paypalLink, "_blank");
    }
  </script>
</body>
</html>

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