*{margin:0;padding:0;box-sizing:border-box}:root{--background: #0f0f0f;--background-alt: #1a1a1a;--primary: #64b5f6;--primary-hover: #90caf9;--secondary: #202020;--text: #e0e0e0;--text-secondary: #9e9e9e;--border: #303030;--error: #f44336;--success: #66bb6a;--accent: #81d4fa;--card-shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--input-shadow: 0 1px 2px 0 rgb(0 0 0 / .05);--ring: rgba(100, 181, 246, .4);--radius: .5rem}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;line-height:1.6;background-color:var(--background);color:var(--text);min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column}.header{background-color:var(--background);border-bottom:1px solid var(--border);padding:1rem 0;position:sticky;top:0;z-index:100}.nav-container{max-width:1200px;margin:0 auto;padding:0 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