Loading State Animations Apply Disney's 12 principles to communicate system activity. Principle Application Squash & Stretch : Progress indicators can pulse/breathe to show life. Slight scale oscillation (0.98-1.02). Anticipation : Show loading state immediately on action. Don't wait for slow response to show spinner. Staging : Loading indicators appear where content will be. Skeleton screens match final layout. Straight Ahead vs Pose-to-Pose : Design loading as a sequence: instant indicator → progress → completion → content. Follow Through & Overlapping : Loading fades as content enters. Ove…