.loader {
    border-color: var(--sidebar-border);
    border-top-color: var(--sidebar-text);
}

#loader-overlay {
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s;
}

.is-submitting #loader-overlay {
    opacity: 1;
    pointer-events: all;
}