@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@500;700&display=swap');

        :root {
            /* Neon Highlights */
            --primary: #CCFF00;
            --secondary: #00E5FF;
            --accent: #FF3366;

            /* Glassmorphism 2.0 Core Values */
            --glass-bg: rgba(18, 18, 24, 0.45);
            --glass-bg-hover: rgba(28, 28, 36, 0.6);
            --glass-border: rgba(255, 255, 255, 0.08);
            --glass-border-light: rgba(255, 255, 255, 0.15);
            --glass-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
            --glass-shadow-inner: inset 0 1px 1px rgba(255, 255, 255, 0.1);

            /* Typography */
            --font-sans: 'Inter', sans-serif;
            --font-display: 'Space Grotesk', sans-serif;
        }

        body {
            font-family: var(--font-sans);
            background-color: #050505;
            color: #E2E8F0;
            overflow-x: hidden;
            /* Modern dark mesh gradient background */
            background-image:
                radial-gradient(at 0% 0%, rgba(20, 20, 40, 0.8) 0px, transparent 50%),
                radial-gradient(at 100% 0%, rgba(0, 40, 40, 0.6) 0px, transparent 50%),
                radial-gradient(at 100% 100%, rgba(40, 0, 40, 0.6) 0px, transparent 50%),
                radial-gradient(at 0% 100%, rgba(0, 20, 60, 0.8) 0px, transparent 50%);
            background-attachment: fixed;
            min-height: 100vh;
        }

        /* Utility classes for Glassmorphism 2.0 */
        .glass-panel {
            background: var(--glass-bg);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid var(--glass-border);
            border-top: 1px solid var(--glass-border-light);
            border-left: 1px solid var(--glass-border-light);
            box-shadow: var(--glass-shadow), var(--glass-shadow-inner);
            border-radius: 20px;
            transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            position: relative;
            overflow: hidden;
        }

        /* Subtle noise texture overlay for premium feel */
        .glass-panel::before {
            content: "";
            position: absolute;
            inset: 0;
            opacity: 0.2;
            mix-blend-mode: overlay;
            pointer-events: none;
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
            z-index: -1;
        }

        .glass-card {
            background: rgba(30, 30, 40, 0.4);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            backdrop-filter: blur(12px);
            transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
            cursor: pointer;
        }

        .glass-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
            border-color: rgba(255, 255, 255, 0.15);
            background: rgba(40, 40, 55, 0.5);
        }

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

        ::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.02);
            border-radius: 10px;
        }

        ::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 10px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.25);
        }

        /* Gradient Text */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* Badges */
        .badge {
            padding: 2px 8px;
            border-radius: 20px;
            font-size: 0.65rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .badge-hot {
            background: rgba(255, 51, 102, 0.15);
            color: #FF4D79;
            border: 1px solid rgba(255, 51, 102, 0.3);
        }

        .badge-warm {
            background: rgba(255, 170, 0, 0.15);
            color: #FFB833;
            border: 1px solid rgba(255, 170, 0, 0.3);
        }

        .badge-cold {
            background: rgba(0, 229, 255, 0.15);
            color: #33EBFF;
            border: 1px solid rgba(0, 229, 255, 0.3);
        }

        .badge-wa {
            background: rgba(37, 211, 102, 0.15);
            color: #25D366;
        }

        .badge-fb {
            background: rgba(24, 119, 242, 0.15);
            color: #1877F2;
        }

        .badge-web {
            background: rgba(204, 255, 0, 0.15);
            color: var(--primary);
        }

        /* Sortable Ghost Element (Drag and Drop preview) */
        .sortable-ghost {
            opacity: 0.4;
            background: rgba(255, 255, 255, 0.05);
            border: 1px dashed rgba(255, 255, 255, 0.3);
        }

        /* Ambient floating orbs in background */
        .orb {
            position: fixed;
            border-radius: 50%;
            filter: blur(80px);
            z-index: -2;
            opacity: 0.5;
            animation: float 20s infinite ease-in-out alternate;
        }

        .orb-1 {
            top: -10%;
            left: -10%;
            width: 40vw;
            height: 40vw;
            background: rgba(204, 255, 0, 0.15);
            animation-delay: 0s;
        }

        .orb-2 {
            bottom: -10%;
            right: -10%;
            width: 50vw;
            height: 50vw;
            background: rgba(0, 229, 255, 0.1);
            animation-delay: -5s;
        }

        .orb-3 {
            top: 40%;
            left: 60%;
            width: 30vw;
            height: 30vw;
            background: rgba(255, 51, 102, 0.1);
            animation-delay: -10s;
        }

        @keyframes float {
            0% {
                transform: translate(0, 0) scale(1);
            }

            100% {
                transform: translate(50px, 30px) scale(1.1);
            }
        }

        /* Timeline / Interaction History Line */
        .timeline-line {
            position: absolute;
            left: 23px;
            top: 40px;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, rgba(255, 255, 255, 0.1) 0%, rgba(204, 255, 0, 0.5) 50%, transparent 100%);
        }