body, html { height: 100%; margin: 0; font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; }
        ::-webkit-scrollbar { width: 8px; }
        ::-webkit-scrollbar-track { background: transparent; }
        ::-webkit-scrollbar-thumb { background: #888; border-radius: 4px; }
        ::-webkit-scrollbar-thumb:hover { background: #555; }
        .dark ::-webkit-scrollbar-thumb { background: #433B30; }
        .no-scrollbar::-webkit-scrollbar { display: none; }
        .no-scrollbar { -ms-overflow-style: none;  scrollbar-width: none; }
        @media (max-width: 1024px) { 
            .mobile-bottom-padding { padding-bottom: 6rem; }
        }
        .font-mono-editor { font-family: 'Menlo', 'Monaco', 'Courier New', monospace; }
        .tool-menu-item { transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275); }