:root{--surface:#fff;--text-secondary:#374151;--accent:#16a34a;--hover-bg:#f1f5f9}.dark{--surface:#18181b;--text-secondary:#d1d5db;--accent:#a3e635;--hover-bg:#27272a}.nav-link:hover{background-color:var(--hover-bg);color:var(--accent)}.nav-link-active{color:var(--accent)!important}.mode-toggle{border-radius:9999px;padding:.5rem;transition:background-color .2s,transform .2s}.mode-toggle:hover{background-color:var(--hover-bg);transform:scale(1.05)}.logo-text{font-family:Poppins,sans-serif;font-weight:700}.nav-link{font-family:Times New Roman,Times,serif;font-weight:400}@media (max-width:768px){body{padding-top:100px}}