/* Apple-style premium styling */
        body {
            background-color: #030304;
            -webkit-tap-highlight-color: transparent;
            /* Remove mobile click blue overlay */
        }

        .apple-glass {
            background: rgba(10, 10, 12, 0.7);
            backdrop-filter: saturate(180%) blur(24px);
            -webkit-backdrop-filter: saturate(180%) blur(24px);
            border: 1px solid rgba(34, 211, 238, 0.08);
        }

        .apple-card {
            background: linear-gradient(180deg, rgba(34, 211, 238, 0.04) 0%, rgba(34, 211, 238, 0.01) 100%);
            border: 1px solid rgba(34, 211, 238, 0.05);
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .apple-card:hover {
            border-color: rgba(34, 211, 238, 0.15);
            background: linear-gradient(180deg, rgba(34, 211, 238, 0.06) 0%, rgba(34, 211, 238, 0.02) 100%);
        }

        .text-glow-cyan {
            text-shadow: 0 0 35px rgba(6, 182, 212, 0.4);
        }

        .bg-subtle-grid-cyan {
            background-size: 60px 60px;
            background-image:
                linear-gradient(to right, rgba(6, 182, 212, 0.01) 1px, transparent 1px),
                linear-gradient(to bottom, rgba(6, 182, 212, 0.01) 1px, transparent 1px);
        }

        /* Optimized sliders & switches for touch interfaces */
        input[type="range"] {
            -webkit-appearance: none;
            appearance: none;
            width: 100%;
            height: 6px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 9999px;
            outline: none;
        }

        input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: #ffffff;
            border: 2px solid #06b6d4;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
            transition: transform 0.1s;
        }

        input[type="range"]::-webkit-slider-thumb:active {
            transform: scale(1.25);
        }

        /* Mobile Scrollbar Tuning */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }

        ::-webkit-scrollbar-track {
            background: #030304;
        }

        ::-webkit-scrollbar-thumb {
            background: rgba(6, 182, 212, 0.15);
            border-radius: 9999px;
        }