- responsive nav: compact sticky topbar + bottom tab bar on mobile (SVG icons, safe-area insets), inline top nav on desktop; no more horizontal overflow
- previews show full aspect ratio (object-fit contain) on subtle checker bg for transparency (library, studio, queue)
- 16px inputs on mobile (no iOS zoom), tactile :active feedback, larger touch targets
- keeps Klarbild identity (Space Grotesk/Mono, blue, paper, regmark), no glows/gradients