body {
  font-family: Arial;
  background: linear-gradient(135deg, #1e1e2f, #3a0ca3);
  color: white;
  text-align: center;
  transition: 0.3s;
}

.container {
  width: 320px;
  margin: auto;
  padding-top: 30px;
}

.card {
  background: rgba(255,255,255,0.1);
  padding: 20px;
  margin: 15px 0;
  border-radius: 15px;
}

input {
  width: 90%;
  margin: 8px;
  padding: 10px;
  border-radius: 8px;
  border: none;
}

button {
  padding: 10px;
  margin-top: 10px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, #ff006e, #ffbe0b);
  color: white;
  cursor: pointer;
}

button:hover {
  transform: scale(1.05);
}

.hidden {
  display: none;
}

/* Message styling */
#rmessage {
  margin-top: 10px;
  font-weight: bold;
  color: #ffbe0b;
}

/* Light mode */
.light {
  background: #f5f5f5;
  color: black;
}

.light .card {
  background: white;
}