New Features

Sleep Timer: Added customizable fade-out and pause intervals (15 to 90 minutes) for the active session.
Settings Export & Import: Added validated JSON configuration backup and restore with confirmation checks.
Audio Settings Sections: Added collapsible containers for audio toggles and effects.
Background Customization: Added a background artwork opacity slider in Miscellaneous settings.
Activity Toast: Added status toasts for anti-nag confirmations.

Improvements & Fixes

"Still Watching?" Auto-Confirm: Re-engineered detection with continuous polling, tab visibility checks, pointer event dispatch, and playback fallbacks.
Settings Safeguard: Added a confirmation prompt before resetting settings to prevent accidental data loss.
Keybinding Conflicts: Added collision warnings for duplicate keyboard shortcut bindings.
Overlay Performance: Fixed overlay drag and resize operations to batch frame updates properly via requestAnimationFrame.
Artwork Detection: Optimized visualizer album art extraction to prioritize the mini-player before falling back to full-page elements.

Visualizers

Bloom: Integrated the vinyl center disc styling with an expanded footprint and refined rim.
Title: Reworked the wave effect using source-in letterform compositing; added album art background support.
Scope & Bars: Added shared album art background rendering.

UI & Maintenance

Unified inconsistent teal brand accent colors across the UI.
Standardized button color roles, reserving red strictly for destructive actions.
Cleaned up unused legacy scripts and experimental modules.