body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #000;
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.step {
  display: none;
  animation: fade 0.4s ease;
}

.step.active {
  display: block;
}

.logo {
  font-size: 60px;
  margin-bottom: 20px;
}

h1 {
  font-size: 28px;
  letter-spacing: 2px;
}

h2 {
  margin-bottom: 20px;
}

input {
  width: 90%;
  padding: 12px;
  border-radius: 8px;
  border: none;
  margin-bottom: 15px;
  font-size: 16px;
}

button {
  background: #ffd500;
  color: black;
  border: none;
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: bold;
  cursor: pointer;
  width: 95%;
}

button:hover {
  opacity: 0.9;
}

.loader {
  border: 6px solid #333;
  border-top: 6px solid #ffd500;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  margin: 20px auto;
  animation: spin 1s linear infinite;
}

.small {
  font-size: 14px;
  opacity: 0.7;
}

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

@keyframes fade {
  from { opacity: 0; }
  to { opacity: 1; }
}