:root{--bg-primary:#0d1117;--bg-secondary:#161b22;--bg-card:#21262d;--text-primary:#f0f6fc;--text-secondary:#8b949e;--border-color:#30363d;--accent-color:#58a6ff;--success-color:#238636;--error-color:#f85149;--warning-color:#d29922}[data-theme=dark]{--bg-primary:#0d1117;--bg-secondary:#161b22;--bg-card:#21262d;--text-primary:#f0f6fc;--text-secondary:#c9d1d9;--text-muted:#8b949e;--border-color:#30363d;--accent-color:#58a6ff;--success-color:#3fb950;--error-color:#f85149;--warning-color:#f9c23c;--hover-bg:#30363d;--shadow-color:rgba(0,0,0,0.3)}[data-theme=light]{--bg-primary:#ffffff;--bg-secondary:#f6f8fa;--bg-card:#ffffff;--text-primary:#24292f;--text-secondary:#57606a;--text-muted:#656d76;--border-color:#d0d7de;--accent-color:#0969da;--success-color:#1a7f37;--error-color:#cf222e;--warning-color:#bf8700;--hover-bg:#f3f4f6;--shadow-color:rgba(0,0,0,0.1)}body,html{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;background:var(--bg-primary);color:var(--text-primary);transition:background .3s ease,color .3s ease}*,body,html{padding:0;margin:0}*{box-sizing:border-box}body,html{max-width:100vw;overflow-x:hidden}a{color:inherit;text-decoration:none}h1{font-size:clamp(2.5rem,5vw,4rem)}h2{font-size:clamp(2rem,4vw,3rem)}h3{font-size:clamp(1.5rem,3vw,2.5rem)}a,div,li,p,span{font-size:clamp(1rem,2vw,1.2rem)}@media (prefers-color-scheme:dark){html{color-scheme:dark}}