position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-medium);
  transition: .4s;
  border-radius: 34px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--primary);
}

input:focus + .slider {
  box-shadow: 0 0 1px var(--primary);
}

input:checked + .slider:before {
  transform: translateX(24px);
}

.settings-buttons {
  margin-top: var(--space-lg);
}

.settings-form small {
  color: var(--text-secondary);
  font-size: 0.8rem;
  display: block;
  margin-top: var(--space-xs);
}

.success-message {
  color: var(--success);
  font-size: 0.9rem;
  margin-top: var(--space-sm);
  display: none;
}

.success-message.active {
  display: block;
  animation: fadeIn 0.3s ease forwards;
}

/* Danger zone */
.danger-zone {
  background-color: rgba(255, 118, 117, 0.1);
  border: 1px solid var(--danger);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-top: var(--space-xl);
}

.danger-zone h3 {
  color: var(--danger);
  margin-bottom: var(--space-md);
}

.btn-danger {
  background-color: var(--danger);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.btn-danger:hover {
  background-color: #ff5252;
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
  z-index: 1000;
  justify-content: center;
  align-items: center;
}

.modal.active {
  display: flex;
  animation: fadeIn 0.3s ease forwards;
}

.modal-content {
  background-color: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  width: 90%;
  max-width: 500px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  animation: scaleIn 0.3s ease forwards;
}

.modal-content h2 {
  margin-bottom: var(--space-md);
}

.modal-buttons {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  justify-content: flex-end;
}

.modal-content p {
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
}

/* Avatar upload */
.avatar-upload {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  margin: var(--space-lg) 0;
}

.avatar-upload-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  border: 2px dashed var(--bg-medium);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  width: 100%;
}

.avatar-upload-label:hover {
  border-color: var(--primary);
  background-color: rgba(108, 92, 231, 0.05);
}

.avatar-upload-label i {
  font-size: 2rem;
  color: var(--primary);
}

#avatar-input {
  display: none;
}

.avatar-preview {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  background-color: var(--bg-medium);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.avatar-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-preview-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 3rem;
  color: var(--text-secondary);
}

/* Animations */
@keyframes scaleIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* No data message */
.no-data {
  text-align: center;
  padding: var(--space-xl);
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
  .profile-info-wrapper {
    flex-direction: column;
    text-align: center;
  }
  
  .profile-stats {
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
  }
  
  .profile-tabs {
    overflow-x: auto;
    padding-bottom: var(--space-md);
  }
  
  .tab-btn {
    white-space: nowrap;
  }
  
  .modal-content {
    padding: var(--space-lg);
    width: 95%;
  }
  
  .modal-buttons {
    flex-direction: column;
  }
  
  .high-scores-table {
    display: block;
    overflow-x: auto;
  }
}