:root{color-scheme:dark;--bg:#101213;--panel:#191c1e;--text:#f0f2ef;--muted:#858c8d;--accent:#b8e7c9;--border:#2a2e30}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;min-height:100vh}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.site-header{max-width:1280px;margin:auto;padding:30px 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