.notification-container {
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 9999;
            max-width: 350px;
            width: calc(100% - 40px);
        }

        .notification {
            background: white;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
            padding: 18px 20px;
            margin-bottom: 15px;
            display: flex;
            align-items: flex-start;
            animation: slideIn 0.3s ease forwards;
            transform: translateX(100%);
            opacity: 0;
            position: relative;
            overflow: hidden;
        }

        .notification.success {
            border-left: 5px solid #4CAF50;
        }

        .notification.error {
            border-left: 5px solid #F44336;
        }

        .notification.warning {
            border-left: 5px solid #FF9800;
        }

        .notification.info {
            border-left: 5px solid #2196F3;
        }

        .notification-icon {
            margin-right: 15px;
            font-size: 24px;
            flex-shrink: 0;
        }

        .success .notification-icon {
            color: #4CAF50;
        }

        .error .notification-icon {
            color: #F44336;
        }

        .warning .notification-icon {
            color: #FF9800;
        }

        .info .notification-icon {
            color: #2196F3;
        }

        .notification-content {
            flex: 1;
        }

        .notification-title {
            font-weight: 600;
            margin-bottom: 5px;
            font-size: 16px;
        }

        .notification-message {
            color: #555;
            font-size: 14px;
            line-height: 1.5;
        }

        .notification-close {
            background: none;
            border: none;
            font-size: 18px;
            color: #999;
            cursor: pointer;
            margin-left: 10px;
            flex-shrink: 0;
            transition: color 0.2s;
        }

        .notification-close:hover {
            color: #333;
        }

        .notification-progress {
            position: absolute;
            bottom: 0;
            left: 0;
            height: 4px;
            width: 100%;
            background: rgba(0, 0, 0, 0.1);
        }

        .notification-progress-bar {
            height: 100%;
            width: 100%;
            animation: progressBar 5s linear forwards;
        }

        .success .notification-progress-bar {
            background: #4CAF50;
        }

        .error .notification-progress-bar {
            background: #F44336;
        }

        .warning .notification-progress-bar {
            background: #FF9800;
        }

        .info .notification-progress-bar {
            background: #2196F3;
        }

        @keyframes slideIn {
            to {
                transform: translateX(0);
                opacity: 1;
            }
        }

        @keyframes progressBar {
            from { width: 100%; }
            to { width: 0%; }
        }




        .btn:active {
            transform: translateY(2px);
        }



        @media (max-width: 576px) {
            .notification-container {
                top: 10px;
                right: 10px;
                left: 10px;
                width: auto;
                max-width: none;
            }

            .button-group {
                flex-direction: column;
            }

            .btn {
                width: 100%;
            }
        }