/* Toast css */
    .toast-message {
        position: fixed;
        top: 20px;
        left: 50%;
        transform: translateX(-50%) translateY(-30px);
        background: #dc3545; /* red for error */
        color: #fff;
        padding: 12px 20px;
        border-radius: 6px;
        font-size: 15px;
        font-weight: 500;
        display: flex;
        align-items: center;
        gap: 8px;
        box-shadow: 0px 3px 10px rgba(0,0,0,0.2);
        opacity: 0;
        transition: all 0.4s ease;
        z-index: 9999;
    }
    .toast-message.show {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    .toast-message.success { background: #28a745; }
    .toast-message.error { background: #dc3545; }
    .toast-message i {
        font-size: 16px;
    }