body {
            background-color: #06080d;
            color: #e2e8f0;
            font-family: 'Plus Jakarta Sans', sans-serif;
            overflow: hidden;
        }
        .bg-grid {
            background-image: radial-gradient(circle at 1.5px 1.5px, rgba(255, 255, 255, 0.05) 1.5px, transparent 0);
            background-size: 40px 40px;
        }
        .active-tab { background: rgba(255,255,255,0.1); color: #fff; }
        .fade-in { animation: fadeIn 0.4s cubic-bezier(0.2, 0, 0.3, 1) forwards; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
        .progress-fill { transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1); }
        ::-webkit-scrollbar { width: 5px; }
        ::-webkit-scrollbar-thumb { background: #333; border-radius: 10px; }
        ::-webkit-scrollbar-thumb:hover { background: #ff3f3f; }