body { font-family: 'Inter', sans-serif; background-color: #f8fafc; }

/* Custom Range Sliders */
input[type=range] { -webkit-appearance: none; background: transparent; }
input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none; height: 18px; width: 18px; border-radius: 50%;
    background: #4f46e5; cursor: pointer; margin-top: -7px; box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
input[type=range]::-webkit-slider-runnable-track {
    width: 100%; height: 4px; cursor: pointer; background: #e2e8f0; border-radius: 2px;
}

/* Animations */
.tab-panel { display: none; animation: fadeIn 0.3s ease-in-out; }
.tab-panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

/* Scrollbars */
.sidebar-scroll::-webkit-scrollbar { width: 4px; height: 4px; }
.sidebar-scroll::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }