Implement Option C logo cropped with minimal borders

Convert logo to SVG vector format for infinite 4K resolution and LFS-free deployment

Recolor Option B logo to match theme and optimize to high-definition 256x256 size

Recolor Option B logo to match the website royal blue and purple theme colors

Update logo to Option B (geometric cross/stethoscope) cropped tightly with minimal border

Optimize logo by cropping to inner glowing stethoscope frame

Implement new 3D glossy logo (Variant 1) across the entire application and favicon

Update browser tab favicon to custom glowing stethoscope SVG

Fix UI responsiveness for mobile and tablet devices

Redesign UI: improved welcome screen and login/register page

Redesign welcome screen with animated orbs, feature strip and polished suggestion cards

Allow VITE_API_BASE_URL to configure production backend URL

Initial commit