body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0f0f0f;
  display: flex;
  justify-content: center;
  padding: 40px 0;
  color: white;
}

.settings-card {
  width: 450px;
  padding: 30px;
  border-radius: 20px;
  background: rgba(0,255,200,0.05);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(0,255,200,0.3);
  box-shadow: 0 0 30px rgba(0,255,200,0.2);
}

h2 {
  text-align: center;
  margin-bottom: 20px;
}

.section {
  margin-bottom: 25px;
  padding: 15px;
  background: rgba(255,255,255,0.05);
  border-radius: 12px;
}

.section h3 {
  margin-top: 0;
}

input {
  width: 100%;
  margin-bottom: 10px;
  padding: 10px;
  border-radius: 8px;
  border: none;
  outline: none;
  background: rgba(255,255,255,0.08);
  color: white;
}

button {
  padding: 10px 15px;
  border: none;
  border-radius: 8px;
  background: linear-gradient(45deg,#00ffc8,#0077ff);
  color: black;
  font-weight: bold;
  cursor: pointer;
  margin-top: 5px;
}

.danger {
  background: crimson;
  color: white;
}

.logout {
  width: 100%;
  background: #ff4444;
  color: white;
}