body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  margin: 0;
  padding: 0;
  background: #fddc02;
}

.container {
  max-width: 700px;
  margin: 0 auto;
  padding: 24px 16px 40px;
}

h1,
h2 {
  text-align: center;
}

form {
  background: #fff;
  padding: 16px 20px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  margin-top: 16px;
}

.form-group {
  margin-bottom: 14px;
}

label {
  display: block;
  font-weight: 500;
  margin-bottom: 4px;
}

input[type="text"],
input[type="email"],
input[type="number"],
textarea {
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 14px;
  box-sizing: border-box;
  font-family: inherit;
}

textarea {
  resize: vertical;
}

input[type="checkbox"] {
  margin-right: 6px;
}

a {
  color: #2563eb;
  text-decoration: underline;
}

button[type="submit"] {
  background: #f59e0b;
  color: #222;
  border: none;
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  margin-top: 8px;
}

button[type="submit"]:disabled {
  opacity: 0.7;
  cursor: default;
}

.summary {
  margin-top: 10px;
  padding: 8px 10px;
  background: #fef3c7;
  border-radius: 8px;
  font-size: 14px;
}

.error {
  margin-top: 10px;
  color: #b91c1c;
  background: #fee2e2;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 14px;
}

#result {
  margin-top: 24px;
  background: #fff;
  padding: 16px 20px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

#qr-container {
  text-align: center;
  margin: 16px 0;
}

#qr-container img {
  max-width: 260px;
  width: 100%;
  height: auto;
}

.payment-details p {
  margin: 4px 0;
}
.support-note {
  margin-top: 14px;
  font-size: 14px;
  opacity: 0.9;
}

.support-note a {
  font-weight: 600;
  text-decoration: underline;
}