/* Notification Styles */
        :root {
            --success-bg: #d4edda;
            --success-text: #155724;
            --success-border: #28a745;
            --error-bg: #f8d7da;
            --error-text: #721c24;
            --error-border: #dc3545;
            --warning-bg: #fff3cd;
            --warning-text: #856404;
            --warning-border: #ffc107;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            --transition: all 0.3s ease-in-out;
        }
        .usb-notification {
            top: 20px;
            right: 20px;
            padding: 15px;
            border-radius: 10px;
            box-shadow: var(--shadow);
            max-width: 300px;
            z-index: 1100;
            position: absolute;  /*fixed;  або  */
            opacity: 0;
            transform: translateX(100%);
            transition: var(--transition);
        }

        .notification-success {
            background-color: var(--success-bg);
            color: var(--success-text);
            border-left: 5px solid var(--success-border);
        }

        .notification-error {
            background-color: var(--error-bg);
            color: var(--error-text);
            border-left: 5px solid var(--error-border);
        }

        .notification-warning {
            background-color: var(--warning-bg);
            color: var(--warning-text);
            border-left: 5px solid var(--warning-border);
        }

        .usb-notification.show {
            opacity: 1;
            transform: translateX(0);
        }

        .usb-notification h3 {
            margin-top: 0;
            font-size: 14px;
        }

        .notification-success h3 {
            color: var(--success-border);
        }

        .notification-error h3 {
            color: var(--error-border);
        }

        .notification-warning h3 {
            color: var(--warning-border);
        }

        .usb-notification p {
            margin-bottom: 5px;
            line-height: 5.0;
        }

        .usb-notification .close-btn {
            position: absolute;
            top: 0px; /*5 px*/
            right: 0px;/*10px;*/
            background: none;
            border: none;
            font-size: 16px;
            cursor: pointer;
            padding: 0;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
        /*    justify-content: center;*/
            border-radius: 50%;
        }

        .notification-success .close-btn {
            color: var(--success-text);
        }

        .notification-error .close-btn {
            color: var(--error-text);
        }

        .notification-warning .close-btn {
            color: var(--warning-text);
        }

        .usb-notification .close-btn:hover {
            background-color: rgba(0,0,0,0.1);
        }

        /* Стилі для кнопки копіювання */
        .usb-notification .copy-btn {
            position: absolute;
            top: 5px;
            right: 35px;
            background: none;
            border: none;
            font-size: 18px;
            cursor: pointer;
            padding: 0;
            width: 20px;
            height: 20px;
            display: flex;
            border-radius: 90%;
        }

        .notification-error .copy-btn {
            color: var(--error-text);
        }

        .usb-notification .copy-btn:hover {
           background-color: rgba(0, 0, 0, 0.0);
        }

        .usb-notification .copy-btn::after {
            content: "📋";
            font-size: 18px;
           /* top: 0px; 5 px*/
           /* right: 0px;10px;*/
        }

        .usb-notification .copy-btn.copied::after {
            content: "✓";
            font-size: 18px;
            color: var(--success-border);
        }


        /****************************************************/
        /* USB Notification Styles */
.usb-notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 300px;
    height: fit-content;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1100;
    transform: translateX(150%);
    transition: transform 0.3s ease-in-out;
    display: flex;
    flex-direction: column;
}

.usb-notification.show {
    transform: translateX(0);
}

.notification-success {
    background-color: #d4edda;
    color: #155724;
    border-left: 5px solid #28a745;
}

.notification-error {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 5px solid #dc3545;
}

.notification-warning {
    background-color: #fff3cd;
    color: #856404;
    border-left: 5px solid #ffc107;
}

.copy-btn {
    align-self: flex-end;
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
    font-size: 12px;
}

.copy-btn.copied::after {
    content: 'Copied!';
    margin-left: 5px;
    color: green;
}