* {
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  margin: 0;
  background: #f2f2f2;
}

.top {
  background: #7b2cbf;
  color: #fff;
  padding: 14px;
  text-align: center;
  font-weight: bold;
}

.container {
  padding: 20px;
  max-width: 420px;
  margin: auto;
}

.card {
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  margin-bottom: 20px;
  box-shadow: 0 8px 20px rgba(0,0,0,.08);
}

h2 {
  text-align: center;
  margin-bottom: 15px;
}

input, textarea {
  width: 100%;
  padding: 12px;
  margin-bottom: 12px;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 14px;
}

textarea {
  height: 120px;
  resize: none;
}

button {
  width: 100%;
  padding: 14px;
  background: #7b2cbf;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
}

button:hover {
  opacity: 0.9;
}

.qr {
  width: 220px;
  display: block;
  margin: 0 auto 15px;
}

.valor {
  text-align: center;
  margin-bottom: 10px;
  font-size: 16px;
}