body {
            font-family: 'Inter', sans-serif;
            background-color: #f8fafc;
            color: #1e293b;
        }

        .brand-gradient {
            background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .insight-card {
            transition: all 0.3s ease;
            cursor: pointer;
            border: 1px solid #e2e8f0;
            background: white;
            border-radius: 1.5rem;
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .insight-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 25px -5px rgba(0, 0, 0, 0.08);
            border-color: #cbd5e1;
        }

        .map-container {
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid #e2e8f0;
            position: relative;
            z-index: 1;
        }

        .chart-box {
            background: #f8fafc;
            border: 1px solid #e2e8f0;
            border-radius: 2rem;
            position: relative;
            padding: 1.25rem;
            min-height: 250px;
        }

        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 10px;
        }

        .filter-select {
            @apply w-full bg-slate-50 border border-slate-200 text-[11px] font-black uppercase tracking-wider rounded-xl p-3 outline-none hover:border-indigo-400 transition-colors cursor-pointer appearance-none;
        }

        input[type=range] {
            -webkit-appearance: none;
            background: transparent;
        }

        input[type=range]::-webkit-slider-runnable-track {
            width: 100%;
            height: 6px;
            background: #e2e8f0;
            border-radius: 3px;
        }

        input[type=range]::-webkit-slider-thumb {
            height: 20px;
            width: 20px;
            border-radius: 50%;
            background: #6366f1;
            cursor: pointer;
            -webkit-appearance: none;
            margin-top: -7px;
            border: 2px solid white;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        .nav-btn {
            @apply p-2 hover:bg-slate-100 rounded-xl transition-all active:scale-95 disabled:opacity-20 disabled:cursor-not-allowed;
        }