.toast-stack {
    position: fixed;
    right: 16px;
    bottom: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 100;
}

.toast {
    min-width: 220px;
    max-width: 360px;
    padding: 12px 16px;
    border-radius: 8px;
    background: var(--inverse-surface, #2e3039);
    color: var(--inverse-on-surface, #f0f0fb);
    box-shadow: 0 6px 18px rgba(16, 24, 40, 0.18);
    font-size: 14px;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast--error {
    background: var(--error, #ba1a1a);
    color: var(--on-error, #fff);
}

.toast--success {
    background: var(--secondary, #006c49);
    color: #fff;
}