body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #1f2937, #10b981);
}
.auth-container {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 40px 30px;
  width: 100%;
  max-width: 400px;
  color: white;
  box-shadow: 0 0 20px rgba(0,0,0,0.3);
}
.auth-container h2 {
  text-align: center;
  margin-bottom: 20px;
  color: #fff;
}
.auth-container input {
  width: 100%;
  padding: 10px;
  margin: 8px 0;
  border: none;
  border-radius: 6px;
  font-size: 16px;
}
.auth-container button {
  width: 100%;
  padding: 12px;
  background: #10b981;
  border: none;
  border-radius: 6px;
  color: white;
  font-size: 16px;
  cursor: pointer;
  margin-top: 10px;
}
.auth-container button:hover {
  background: #059669;
}
.auth-container a {
  color: #d1fae5;
  text-decoration: none;
  display: block;
  text-align: center;
  margin-top: 15px;
  font-size: 14px;
}
.auth-container .msg {
  text-align: center;
  font-size: 14px;
  color: #fbbf24;
}