:root{--primary: #6366F1;--primary-light: #818CF8;--primary-dark: #4F46E5;--accent: #F59E0B;--bg-dark: #0F172A;--bg-card: #1E293B;--bg-hover: #334155;--bg-input: #1E293B;--text-primary: #F8FAFC;--text-secondary: #94A3B8;--text-muted: #64748B;--success: #22C55E;--warning: #F59E0B;--error: #EF4444;--info: #3B82F6;--online: #22C55E;--border: #334155;--border-light: #475569;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg-dark);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased}input,button,textarea{font-family:inherit}a{color:var(--primary);text-decoration:none}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-dark)}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}