Initial commit: Second Brain Platform

Complete platform with unified design system and real API integration.

Apps: Dashboard, Fitness, Budget, Inventory, Trips, Reader, Media, Settings
Infrastructure: SvelteKit + Python gateway + Docker Compose

services/fitness/frontend-legacy/src/app.css

@@ -0,0 +1,25 @@
+@import 'tailwindcss';
+@plugin 'daisyui' {
+	themes: night, dim, light;
+}
+
+:root {
+	--header-height: 4rem;
+}
+
+* {
+	transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
+}
+
+::-webkit-scrollbar { width: 8px; }
+::-webkit-scrollbar-track { background: oklch(0.2 0.02 260); }
+::-webkit-scrollbar-thumb { background: oklch(0.4 0.02 260); border-radius: 4px; }
+::-webkit-scrollbar-thumb:hover { background: oklch(0.5 0.02 260); }
+
+/* Card hover elevation */
+.card-hover {
+	transition: box-shadow 0.3s ease, border-color 0.3s ease;
+}
+.card-hover:hover {
+	box-shadow: 0 10px 25px -5px rgb(0 0 0 / 0.15), 0 8px 10px -6px rgb(0 0 0 / 0.1);
+}