/* Toast Container */
        #toast-container {
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 9999;
            display: flex;
            flex-direction: column;
            gap: 12px;
            pointer-events: none;
        }

        /* Individual Toast */
        .toast {
            display: flex;
            align-items: center;
            min-width: 300px;
            max-width: 360px;
            padding: 15px 20px;
            border-radius: 12px;
            box-shadow: 0 4px 14px rgba(0,0,0,0.1);
            background-color: #fff;
            color: #333;
            font-family: 'Roboto', sans-serif;
            font-size: 14px;
            font-weight: 400;
            pointer-events: auto;
            opacity: 0;
            transform: translateX(100%);
            animation: slideIn 0.5s forwards, fadeOut 0.5s 3.5s forwards;
            position: relative;
            border-left: 6px solid transparent;
            overflow: hidden; /* ensures pseudo-element stays inside */
        }

        /* Progress Bar Using ::before */
        .toast::before {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            height: 4px;
            width: 100%;
            background-color: rgba(0,0,0,0.15);
            animation: progressBar 4s linear forwards; /* adjust duration as needed */
        }

        /* Toast Icon */
        .toast-icon {
            position: absolute;
            left: 15px;  /* distance from left edge */
            top: 50%;
            transform: translateY(-50%);
            font-size: 20px; /* adjust icon size */
            pointer-events: none;
        }

        /* Add left padding for toast content so text doesn't overlap icon */
        .toast {
            padding-left: 50px; /* space for icon */
        }

        /* Toast Types */
        .toast-success {
            border-left-color: #4CAF50;
        }

        .toast-error {
            border-left-color: #F44336;
        }

        .toast-info {
            border-left-color: #2196F3;
        }

        .toast-warning {
            border-left-color: #FF9800;
        }

        /* Toast Icon Colors */
        .toast-success .toast-icon {
            color: #4CAF50;
        }

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

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

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

        /* Toast Content */
        .toast-content {
            flex: 1;
        }

        /* Title */
        .toast-title {
            font-weight: 600;
            margin-bottom: 2px;
        }

        /* Message */
        .toast-message {
            line-height: 1.4;
        }

        /* Close Button */
        .toast-close-button {
            background: transparent;
            border: none;
            font-size: 18px;
            font-weight: bold;
            color: #888;
            margin-left: 12px;
            cursor: pointer;
            opacity: 0.8;
            transition: opacity 0.2s;
        }
        .toast-close-button:hover {
            opacity: 1;
        }

        /* Animations */
        @keyframes slideIn {
            0% { transform: translateX(100%); opacity: 0; }
            100% { transform: translateX(0); opacity: 1; }
        }
        @keyframes fadeOut {
            0% { opacity: 1; }
            100% { opacity: 0; transform: translateX(100%); }
        }
        @keyframes progressBar {
            0% { width: 100%; }
            100% { width: 0; }
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .button-grid {
                grid-template-columns: 1fr;
            }
            
            .features {
                grid-template-columns: 1fr;
            }
            
            h1 {
                font-size: 2.2rem;
            }
            
            .toast {
                min-width: 280px;
                max-width: 320px;
            }
        }