:root{--primary: #6366f1;--primary-hover: #4f46e5;--bg: #0f172a;--bg-card: #1e293b;--bg-input: #334155;--text: #f1f5f9;--text-muted: #94a3b8;--border: #334155;--danger: #ef4444;--success: #22c55e}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}#root{min-height:100vh}