v0.4.0

Changed

• Updated spine dependency to v0.11.0+ for improved hovertext support
• Updated Dash dependency to v4.1.0+
• Modernized the application layout with a responsive control rail and event display shell
• Updated visual styling to follow the SPINE black, gray, and orange palette
• Added a dark mode toggle
• Propagated dark mode to SPINE drawing
• Configured Plotly PNG export for event displays
• Hide the event display plot until an entry is loaded
• Enable camera synchronization by default in split-scene view

Fixed

• Keep dropdown menus and virtualized dropdown options in the active dark theme
• Apply dark theme styling to Dash 4 dropdown menus
• Keep entry/run input layout stable when switching input modes
• Replace native number widgets with numeric text inputs to avoid browser rendering artifacts in dark mode

Full Changelog: v0.3.5...v0.4.0