:root{--bg-color:#fff;--text-color:#333;--navbar-bg:linear-gradient(to right, #e0f7ff, #b3e5fc);--card-bg:#f9f9f9;--border-color:#ccc;--link-color:#333;--shadow:#0000001a}[data-theme=dark]{--bg-color:#121212;--text-color:#fff;--navbar-bg:linear-gradient(to right, #1e3a5f, #2c5aa0);--card-bg:#1e1e1e;--border-color:#444;--link-color:#fff;--shadow:#ffffff1a}*{box-sizing:border-box}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-color);color:var(--text-color);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;transition:background-color .3s,color .3s}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}@media (width<=768px){.navbar{flex-direction:column;padding:1rem}.navbar-links{margin-top:1rem}.project-grid{grid-template-columns:1fr}}@media (width>=769px){.project-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}}