:root {
            --bg: #030712;
            --primary: #3b82f6; /* Biru */
            --secondary: #d946ef; /* Pink/Purple */
            --glass: rgba(255, 255, 255, 0.03);
            --border: rgba(255, 255, 255, 0.1);
        }

        * { margin: 0; padding: 0; box-sizing: border-box; cursor: default; }

        body {
            background: radial-gradient(circle at top right, #1e1b4b, #030712);
            color: white;
            font-family: 'Inter', sans-serif;
            min-height: 100vh;
            display: flex;
            justify-content: center;
            overflow: hidden; /* Lock saat loading */
        }

        #preloader {
            position: fixed;
            inset: 0;
            background: #030712;
            z-index: 9999;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            transition: transform 0.8s cubic-bezier(0.87, 0, 0.13, 1);
        }

        .loader {
            width: 60px;
            aspect-ratio: 1;
            display: grid;
            color: #3b82f6; 
            background: radial-gradient(farthest-side, currentColor calc(100% - 6px),#fff calc(100% - 5px) 0); 
            -webkit-mask: radial-gradient(farthest-side,#0000 calc(100% - 13px),#000 calc(100% - 12px));
            border-radius: 50%;
            animation: l19 1.5s infinite linear;
            margin-bottom: 20px;
        }
        .loader::before, .loader::after {    
            content: "";
            grid-area: 1/1;
            background: linear-gradient(currentColor 0 0) center, linear-gradient(#fff 0 0) center;
            background-size: 100% 10px,10px 100%;
            background-repeat: no-repeat;
        }
        .loader::after { transform: rotate(45deg); }
        @keyframes l19 { 100%{transform: rotate(1turn)} }

        /* Sinergy Bar */
        .load-track { width: 200px; height: 3px; background: rgba(255,255,255,0.1); border-radius: 10px; overflow: hidden; }
        .load-bar { 
            width: 0; height: 100%; 
            background: linear-gradient(90deg, transparent, #3b82f6, #60a5fa); 
            animation: barFill 5s forwards cubic-bezier(0.65, 0, 0.35, 1); 
        }
        @keyframes barFill { 100% { width: 100%; } }

        #main-content {
            width: 100%;
            max-width: 450px;
            padding: 40px 20px;
            opacity: 0;
            transform: translateY(100px);
            transition: all 1s cubic-bezier(0.22, 1, 0.36, 1);
            overflow-y: auto;
        }
        
        .profile-wrapper { text-align: center; margin-bottom: 40px; }
        .profile-img {
            width: 110px; height: 110px;
            border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
            border: 2px solid var(--primary);
            animation: morphing 8s infinite alternate ease-in-out;
            box-shadow: 0 0 30px rgba(59, 130, 246, 0.3);
        }
        @keyframes morphing {
            0% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
            100% { border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%; }
        }

        .section-label {
            font-size: 0.7rem; font-weight: 800; text-transform: uppercase;
            letter-spacing: 2px; color: var(--secondary);
            margin: 25px 0 15px 10px; opacity: 0.8;
        }

        .nav-card {
            background: var(--glass);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border);
            padding: 18px;
            border-radius: 16px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            text-decoration: none;
            color: white;
            position: relative;
            transition: all 0.4s;
            overflow: hidden;
        }
        .nav-card:hover {
            border-color: var(--primary);
            transform: scale(1.02) translateX(5px);
            background: rgba(59, 130, 246, 0.05);
        }
        .nav-card i { font-size: 1.2rem; width: 40px; color: var(--primary); }
        .nav-card span { font-weight: 500; font-size: 0.95rem; }

        #alert-box {
            position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0);
            background: rgba(15, 23, 42, 0.95); border: 1px solid var(--secondary);
            padding: 30px; border-radius: 20px; z-index: 10000; text-align: center;
            transition: 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
            backdrop-filter: blur(15px); width: 85%; max-width: 320px;
        }
        #alert-box.active { transform: translate(-50%, -50%) scale(1); }
        .close-alert { position: absolute; top: 15px; right: 20px; color: var(--secondary); font-size: 1.5rem; transition: 0.3s; }
        .close-alert:hover { transform: rotate(90deg); color: white; }