.aria-notification-region {
    position: fixed;
    top: 4.5rem;
    right: 1.25rem;
    z-index: 2000;
    display: flex;
    width: min(24rem, calc(100vw - 2rem));
    max-height: calc(100vh - 5.5rem);
    flex-direction: column;
    gap: 0.75rem;
    pointer-events: none;
}

.aria-notification {
    --notification-accent: #0d6efd;
    --notification-icon-bg: #e8f1ff;
    --notification-icon-color: #0d6efd;
    display: grid;
    grid-template-columns: 2.25rem minmax(0, 1fr) 2rem;
    gap: 0.75rem;
    align-items: start;
    padding: 0.9rem 0.75rem 0.9rem 0.9rem;
    overflow: hidden;
    color: #1f2937;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-left: 4px solid var(--notification-accent);
    border-radius: 0.65rem;
    box-shadow: 0 0.75rem 2rem rgba(15, 23, 42, 0.18);
    opacity: 0;
    transform: translateX(1.25rem);
    transition: opacity 180ms ease, transform 180ms ease;
    pointer-events: auto;
}

.aria-notification.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.aria-notification.is-leaving {
    opacity: 0;
    transform: translateX(1.25rem);
}

.aria-notification--success {
    --notification-accent: #198754;
    --notification-icon-bg: #e7f6ee;
    --notification-icon-color: #146c43;
}

.aria-notification--error {
    --notification-accent: #dc3545;
    --notification-icon-bg: #fcebed;
    --notification-icon-color: #b02a37;
}

.aria-notification--warning {
    --notification-accent: #b58105;
    --notification-icon-bg: #fff5d6;
    --notification-icon-color: #7a5700;
}

.aria-notification__icon {
    display: inline-flex;
    width: 2.25rem;
    height: 2.25rem;
    align-items: center;
    justify-content: center;
    color: var(--notification-icon-color);
    background: var(--notification-icon-bg);
    border-radius: 50%;
    font-size: 1rem;
}

.aria-notification__content {
    min-width: 0;
    padding-top: 0.05rem;
}

.aria-notification__title {
    margin: 0 0 0.2rem;
    color: #111827;
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1.3;
}

.aria-notification__message {
    margin: 0;
    color: #4b5563;
    font-size: 0.875rem;
    line-height: 1.45;
    overflow-wrap: anywhere;
}

.aria-notification__close {
    display: inline-flex;
    width: 2rem;
    height: 2rem;
    padding: 0;
    align-items: center;
    justify-content: center;
    color: #6b7280;
    background: transparent;
    border: 0;
    border-radius: 0.375rem;
}

.aria-notification__close:hover {
    color: #111827;
    background: #f3f4f6;
}

.aria-notification__close:focus-visible {
    outline: 3px solid rgba(13, 110, 253, 0.3);
    outline-offset: 1px;
}

@media (max-width: 575.98px) {
    .aria-notification-region {
        top: 4rem;
        right: 0.75rem;
        left: 0.75rem;
        width: auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    .aria-notification {
        transition: none;
    }
}