Login split

Form column plus a muted column (no raster image). Brand at the top of the form column, card with email and password, then Apple + Google outline buttons with visible labels. Composes Card, Field, and Button. Frame classes: login-split, login-split-main, login-split-body, login-split-panel. Visual reference: shadcn-svelte login-02. Full file: src/components/blocks/LoginSplit.svelte.