#openModalBtn {
            padding: 14px 28px;
            cursor: pointer;
            border-radius: 12px;
            border: none;
            background: linear-gradient(45deg, #a855f7, #6366f1);
            color: white;
            font-weight: 600;
            font-size: 16px;
            transition: transform 0.2s, box-shadow 0.2s;
            box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
        }

        #openModalBtn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
        }

        /* --- MODAL OVERLAY --- */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.85);
            backdrop-filter: blur(8px);
            display: none; /* Sembunyi secara default */
            justify-content: center;
            align-items: center;
            z-index: 1000;
            padding: 20px;
        }

        .modal-overlay.active {
            display: flex;
        }

        /* --- MODAL CARD --- */
        .modal-card {
            background-color: #161616;
            width: 100%;
            max-width: 400px;
            padding: 40px 24px 30px 24px;
            border-radius: 28px;
            position: relative;
            color: white;
            box-shadow: 0 20px 50px rgba(0,0,0,0.5);
            border: 1px solid #252525;
            animation: slideUp 0.3s ease-out forwards;
        }

        @keyframes slideUp {
            from { transform: translateY(30px); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }

        .close-btn {
            position: absolute;
            top: 15px;
            right: 20px;
            background: none;
            border: none;
            color: #555;
            font-size: 28px;
            cursor: pointer;
            transition: color 0.2s;
        }

        .close-btn:hover {
            color: white;
        }

        /* --- HEADER --- */
        .header {
            text-align: center;
            margin-bottom: 25px;
        }

        .logo-box {
            width: 64px;
            height: 64px;
            background: #000000;
            margin: 0 auto 20px auto;
            border-radius: 16px;
            display: flex;
            justify-content: center;
            align-items: center;
            border: 1px solid #000000;
        }

        /* SVG Simpel XOXNO Clone */
        .logo-box img {
            width: 64px;
            height: 64px;
        }

        .header h1 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .header p {
            font-size: 14px;
            color: #94a3b8;
            line-height: 1.5;
            max-width: 280px;
            margin: 0 auto;
        }

        /* --- OPTIONS --- */
        .login-options {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .divider {
            display: flex;
            align-items: center;
            text-align: center;
            color: #444;
            font-size: 12px;
            margin: 5px 0;
        }

        .divider::before, .divider::after {
            content: '';
            flex: 1;
            border-bottom: 1px solid #2a2a2a;
        }

        .divider:not(:empty)::before { margin-right: 15px; }
        .divider:not(:empty)::after { margin-left: 15px; }

        .group {
            background-color: #1e1e1e;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid #2a2a2a;
        }

        .option-btn {
            width: 100%;
            background: none;
            border: none;
            border-bottom: 1px solid #2a2a2a;
            display: flex;
            align-items: center;
            padding: 16px;
            color: #e2e8f0;
            cursor: pointer;
            transition: background 0.2s;
            text-align: left;
        }

        .option-btn:last-child {
            border-bottom: none;
        }

        .option-btn:hover {
            background-color: #262626;
        }

        .icon {
            width: 24px;
            height: 24px;
            margin-right: 12px;
            object-fit: contain;
        }

        .btn-content {
            flex-grow: 1;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .badge {
            color: #64748b;
            font-size: 12px;
        }

        .chevron {
            color: #444;
            font-size: 14px;
            margin-left: 8px;
        }