/* Authentication Container Styles */
#auth-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#auth-box {
  background: white;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  width: 100%;
  max-width: 420px;
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

#auth-box h2 {
  margin: 0 0 30px 0;
  color: #333;
  text-align: center;
  font-size: 28px;
  font-weight: 600;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: #555;
  font-weight: 500;
  font-size: 14px;
}

.form-group input {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  font-size: 15px;
  transition: border-color 0.3s;
  box-sizing: border-box;
}

.form-group input:focus {
  outline: none;
  border-color: #667eea;
}

.btn {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  margin-bottom: 12px;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-google {
  background: white;
  color: #444;
  border: 2px solid #e0e0e0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-google:hover {
  background: #f8f8f8;
  border-color: #d0d0d0;
}

.btn-google::before {
  content: "G";
  display: inline-block;
  width: 20px;
  height: 20px;
  background: linear-gradient(135deg, #4285f4, #34a853, #fbbc05, #ea4335);
  border-radius: 3px;
  text-align: center;
  line-height: 20px;
  color: white;
  font-weight: bold;
  font-size: 14px;
}

.divider {
  text-align: center;
  margin: 25px 0;
  position: relative;
  color: #999;
  font-size: 14px;
}

.divider::before,
.divider::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 40%;
  height: 1px;
  background: #e0e0e0;
}

.divider::before { left: 0; }
.divider::after { right: 0; }

.toggle-form {
  text-align: center;
  margin-top: 25px;
  color: #666;
  font-size: 14px;
}

.toggle-form a {
  color: #667eea;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
}

.toggle-form a:hover {
  text-decoration: underline;
}

.error-message {
  background: #fee;
  color: #c33;
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 14px;
  display: none;
}

.loading-message {
  background: #e3f2fd;
  color: #1976d2;
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 14px;
  display: none;
}

/* Hide Unity container initially */
#unity-container {
  display: none;
}

#unity-container.visible {
  display: block;
}

/* Responsive design */
@media (max-width: 480px) {
  #auth-box {
    padding: 30px 20px;
    margin: 20px;
  }
}