:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;--bg-primary: #1a1a1a;--bg-secondary: #2d2d2d;--text-primary: #ffffff;--text-secondary: #e0e0e0;--border-color: #404040;--button-bg: #333333;--button-hover: #444444;--accent-color: #d3372f;--accent-hover: #ae1412;color:var(--text-primary);background-color:var(--bg-primary);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media(prefers-color-scheme:light){:root{--bg-primary: #ffffff;--bg-secondary: #f5f5f5;--text-primary: #213547;--text-secondary: #555555;--border-color: #e0e0e0;--button-bg: #f0f0f0;--button-hover: #e8e8e8;--accent-color: #d3372f;--accent-hover: #ae1412}}a{font-weight:500;color:var(--accent-color);text-decoration:inherit}a:hover{color:var(--accent-hover)}body{margin:0;min-width:320px;min-height:100vh}h1{font-size:2em;line-height:1.1;margin:1rem 0}h2{font-size:1.5em;margin:.8rem 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