body {
            font-family: 'Share Tech Mono', monospace;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
            color: #2c3e50;
        }
        .cyber-card {
            background: rgba(255, 255, 255, 0.98);
            border: 2px solid #3498db;
            border-radius: 20px;
            backdrop-filter: blur(10px);
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
            padding: 40px;
            margin: 20px 0;
        }
        .cyber-input {
            background: #f8f9fa;
            border: 1px solid #dee2e6;
            color: #2c3e50;
            border-radius: 10px;
            transition: all 0.3s;
        }
        .cyber-input:focus {
            background: #ffffff;
            border-color: #3498db;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
            color: #2c3e50;
            outline: none;
        }
        .cyber-btn {
            background: linear-gradient(135deg, #3498db, #2980b9);
            border: none;
            color: white;
            padding: 12px 30px;
            font-family: 'Orbitron', sans-serif;
            border-radius: 10px;
            transition: all 0.3s;
            font-weight: bold;
        }
        .cyber-btn:hover {
            background: linear-gradient(135deg, #2980b9, #1c638e);
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
        }
        .package-card {
            border: 2px solid #e0e0e0;
            border-radius: 15px;
            padding: 20px;
            margin-bottom: 15px;
            cursor: pointer;
            transition: all 0.3s;
            background: #f8f9fa;
        }
        .package-card.selected {
            background: linear-gradient(135deg, #e8f4fd, #d1ecf9);
            border-color: #3498db;
            box-shadow: 0 5px 20px rgba(52, 152, 219, 0.2);
        }
        .package-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        .payment-detail-card {
            background: #f8f9fa;
            border: 1px solid #e0e0e0;
            border-radius: 15px;
            padding: 25px;
            margin-top: 20px;
            animation: fadeIn 0.5s ease;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .bank-logo {
            text-align: center;
            margin-bottom: 20px;
        }
        .bank-logo img {
            max-height: 60px;
            object-fit: contain;
        }
        .info-row {
            display: flex;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid #e0e0e0;
        }
        .info-label {
            font-weight: bold;
            color: #2c3e50;
        }
        .info-value {
            color: #34495e;
            font-weight: 500;
        }
        .nominal-amount {
            font-size: 1.5rem;
            font-weight: bold;
            color: #e74c3c;
        }
        .petunjuk-list {
            margin-top: 15px;
            padding-left: 20px;
        }
        .petunjuk-list li {
            margin-bottom: 10px;
            color: #2c3e50;
        }
        .alert-custom {
            background: #d1ecf9;
            border: 1px solid #3498db;
            color: #2c3e50;
            border-radius: 10px;
        }
        .form-label {
            font-weight: 600;
            color: #2c3e50;
            margin-bottom: 8px;
        }
        .text-muted {
            color: #7f8c8d !important;
        }
        a {
            color: #3498db;
            text-decoration: none;
            transition: all 0.3s;
        }
        a:hover {
            color: #2980b9;
            text-decoration: underline;
        }
        select.cyber-input option {
            background: #ffffff;
            color: #2c3e50;
        }