.app-toast {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 9999;
    min-width: 280px;
    max-width: 380px;
    padding: 16px 20px;
    border-radius: 16px;
    background: #111827;
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.5;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.28);
    opacity: 0;
    transform: translateY(-12px);
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.app-toast.app-toast-show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.app-toast.app-toast-success {
    background: #111827;
    border-left: 4px solid #22c55e;
}

.app-toast.app-toast-error {
    background: #111827;
    border-left: 4px solid #f04f23;
}

@media (max-width: 575px) {
    .app-toast {
        top: 12px;
        right: 12px;
        left: 12px;
        min-width: 0;
        max-width: none;
    }
}