# Profile Management Guide

## Updating Your Profile

Your profile contains your account information and preferences.

### How to Update

1. Click on your **username** (top-right)
2. Select **Profile** from the dropdown
3. Edit any fields in the "Account Information" section
4. Click **Update Profile**
5. Changes take effect immediately

### Fields You Can Update

- **Username** - Your login name (must be unique)
- **Email** - Your email address (must be unique)
- **First Name** - Optional display name
- **Last Name** - Optional display name
- **Theme** - Your preferred color scheme

## Changing Your Password

Regular password changes are recommended for account security.

### How to Change

1. Go to **Profile** page
2. Scroll to "Change Password" section
3. Enter your **current password**
4. Enter your **new password**
5. **Confirm** your new password
6. Click **Update Password**

### Password Requirements

- Minimum 8 characters
- Must contain uppercase, lowercase, number, and special character
- Must match confirmation field
- Current password must be correct

## Deleting Your Account

**⚠️ WARNING:** This action cannot be undone.

### What Gets Deleted

When you delete your account:

- Your profile information
- Reading progress and history
- Device connections
- Collection preferences
- All personal data

### What Stays

- Library books (media belongs to the library, not you)
- System settings
- Other users' accounts

### How to Delete

1. Go to **Profile** page
2. Scroll to "Danger Zone" (bottom of page)
3. Click **Remove My Account**
4. Confirm by clicking "OK" in the popup

**Note:** If you're the last admin, you cannot delete your account for security reasons.

## Theme Options

Personalize your reading experience with different color themes.

### Quick Theme Switch

1. Click the **paintbrush icon** (top-right, next to your username)
2. Select a theme from the dropdown
3. Changes apply instantly

### Available Themes

- **Tokyo Night** (default) - Blue/purple accents
- **Dracula** - Purple/pink tones
- **Nord** - Arctic, bluish-gray
- **Solarized Dark** - Warm, precise contrast
- **Monokai** - Classic vibrant colors
- **One Dark Pro** - Atom editor inspired
- **Material Dark** - Google Material Design
- **Wood Light** - Light wood texture
- **Wood Dark** - Dark wood texture
- **Wood Mahogany** - Reddish-brown wood

## For Admin Users

If you're an administrator, you can also manage other users' profiles from the admin panel.

See [Admin User Management](admin-guide.md) for details.