:root{--bg-dark:#0f111a;--bg-panel:#1a1c29;--bg-card:#252839;--text-main:#e2e8f0;--text-muted:#94a3b8;--accent-cyan:#00f0ff;--accent-blue:#3b82f6;--accent-green:#39ff14;--accent-amber:#f90;--accent-red:#f33;--accent-purple:#f0f;--border-color:#ffffff1a;--glow-cyan:0 0 10px #00f0ff80;--font-main:"Inter", system-ui, -apple-system, sans-serif;--font-mono:"Roboto Mono", monospace}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-dark);color:var(--text-main);font-family:var(--font-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app-container{min-height:100vh;display:flex}.sidebar{background-color:var(--bg-panel);border-right:1px solid var(--border-color);flex-direction:column;width:250px;padding:20px 0;display:flex}.sidebar-header{color:var(--text-main);border-bottom:1px solid var(--border-color);align-items:center;gap:10px;margin-bottom:20px;padding:0 20px 20px;font-size:1.25rem;font-weight:700;display:flex}.sidebar-header 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