body {
  font-family: Arial, sans-serif;
  background: #f4f4f4;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  background: white;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  width: 100%;
  max-width: 400px;
}

input[type="text"],
input[type="password"],
input[type="email"] {
  width: 100%;
  padding: 0.5rem;
  margin-bottom: 0.7rem;
  border: 1px solid #ccc;
  border-radius: 5px;
}

label {
  font-size: 0.85rem;
}

button {
  width: 100%;
  padding: 0.75rem;
  background: #007bff;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background: #0056b3;
}

#error-msg, #login-error-msg {
  color: red;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

#strength-meter, #login-strength-meter {
  height: 10px;
  background: #ddd;
  margin-bottom: 0.7rem;
  border-radius: 5px;
  overflow: hidden;
}

#strength-bar, #login-strength-bar {
  height: 100%;
  width: 0;
  background: red;
  transition: width 0.3s ease;
}