/* Center the login box */
.auth-box {
  max-width: 320px;
  margin: 10vh auto;
  padding: 2rem;
  text-align: center;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

/* Title & subtitle */
.auth-title {
  margin-bottom: 0.5rem;
  font-size: 1.5rem;
  color: #333;
}

.auth-subtitle {
  margin-bottom: 1.5rem;
  color: #666;
  font-size: 0.9rem;
}

/* Input field */
.auth-input {
  width: 100%;
  padding: 0.6rem;
  margin-bottom: 1rem;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}
.auth-input:focus {
  border-color: #0078ff;
}

/* Button */
.auth-btn {
  width: 100%;
  padding: 0.7rem;
  background: #0078ff;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
}
.auth-btn:hover {
  background: #005fcc;
}

/* Error message */
.auth-error {
  margin-top: 1rem;
  color: red;
  display: none;
  font-size: 0.9rem;
}