#flash-toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    min-width: 260px;
    max-width: 90vw;
    padding: 13px 20px 13px 16px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 6px 24px rgba(0,0,0,0.18);
    display: none;
    align-items: center;
    gap: 10px;
    pointer-events: none;
}
#flash-toast.toast-error   { 
    background: #c0392b; 
    color: #fff; 
}
#flash-toast.toast-success { 
    background: #27ae60; 
    color: #fff; 
}
#flash-toast.toast-info { 
    background: #2980b9; 
    color: #fff; 
}
#flash-toast.toast-warning { 
    background: #e67e22; 
    color: #fff; 
}
#flash-toast .toast-icon { 
    font-size: 18px; 
    flex-shrink: 0; 
}
#flash-toast .toast-msg { 
    flex: 1; 
    line-height: 1.4; 
}
@keyframes toast-in {
    from { 
        opacity: 0; 
        transform: translateX(-50%) translateY(18px); 
    }
    to { 
        opacity: 1; 
        transform: translateX(-50%) translateY(0); 
    }
}
@keyframes toast-out {
    from { 
        opacity: 1; 
        transform: translateX(-50%) translateY(0); 
    }
    to   { 
        opacity: 0; 
        transform: translateX(-50%) translateY(18px); 
    }
}