body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  background-color: #0f1116;
  color: #e0e0e0;
}

.container {
  max-width: 600px;
  margin: 40px auto;
  background-color: #1b1e25;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 0 20px #00e1ff;
  text-align: center;
}

.logo {
  width: 150px;
  height: auto;
  margin-bottom: 10px;
  border-radius: 50%;
}

h1 {
  color: #00e1ff;
}

.subtitulo {
  color: #aaa;
  font-size: 0.9em;
  margin-bottom: 25px;
}

.download-button {
  display: inline-block;
  margin: 20px auto;
  padding: 14px 24px;
  background: linear-gradient(135deg, #00e1ff, #00c0c0);
  color: #000;
  font-weight: bold;
  font-size: 16px;
  border: none;
  border-radius: 10px;
  text-decoration: none;
  box-shadow: 0 0 10px #00e1ff88;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.3s ease;
  animation: pulseEffect 2s infinite;
}

.download-button:hover {
  transform: scale(1.05);
  background: linear-gradient(135deg, #00c0c0, #00a0a0);
}

@keyframes pulseEffect {
  0% { box-shadow: 0 0 10px #00e1ff88; }
  50% { box-shadow: 0 0 20px #00e1ffcc; }
  100% { box-shadow: 0 0 10px #00e1ff88; }
}

.premium-box {
  border: 1px solid #00e1ff;
  border-radius: 10px;
  padding: 15px;
  background-color: #21252b;
  margin: 30px 0;
  text-align: left;
}

.qr-code {
  margin: 10px auto;
  width: 200px;
  display: block;
}

.nubank-button {
  display: inline-block;
  margin-top: 20px;
  padding: 14px 26px;
  background: linear-gradient(135deg, #8715d3, #aa42ff);
  color: #fff;
  font-weight: bold;
  font-size: 16px;
  border: none;
  border-radius: 10px;
  text-decoration: none;
  box-shadow: 0 0 15px #b65dff88;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.3s ease;
  animation: pulseNubank 2s infinite;
}

.nubank-button:hover {
  transform: scale(1.05);
  background: linear-gradient(135deg, #ac47ff, #8a17d6);
  box-shadow: 0 0 20px #ae4affaa;
}

@keyframes pulseNubank {
  0% { box-shadow: 0 0 10px #a437ff55; }
  50% { box-shadow: 0 0 20px #a437ffcc; }
  100% { box-shadow: 0 0 10px #a437ff55; }
}

.pix-key {
  color: #00e1ff;
  font-size: 1.1em;
  margin-bottom: 25px;
}

.field {
  margin-bottom: 15px;
  text-align: left;
}

.field label {
  font-size: 14px;
  color: #bbb;
  display: block;
  margin-bottom: 5px;
}

.field input {
  padding: 10px;
  border-radius: 6px;
  border: 1px solid #444;
  background-color: #2a2e38;
  color: #fff;
  font-size: 14px;
  width: 100%;
}

button[type="submit"] {
  padding: 12px;
  background-color: #00e1ff;
  color: #000;
  font-weight: bold;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  width: 100%;
  transition: background 0.3s;
}

button[type="submit"]:hover {
  background-color: #00c0c0;
}

.loading {
  display: none;
  margin: 20px auto;
  width: 50px;
  height: 50px;
  border: 5px solid #00e1ff;
  border-radius: 50%;
  border-top: 5px solid transparent;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.mensagem-status {
  text-align: center;
  margin-top: 15px;
  font-weight: bold;
}

footer {
  margin-top: 40px;
  text-align: center;
  font-size: 0.8em;
  color: #666;
}