/* A quiet content placeholder; readiness is owned by each workspace request. */
.workspace-loading {
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 16px;
    padding: 24px;
    color: var(--text-secondary);
    font: 400 var(--font-size-100)/var(--line-height-control) var(--site-font-body);
}
.workspace-loading__indicator {
    width: 28px;
    height: 28px;
    border: 2px solid var(--border-muted);
    border-top-color: var(--text-secondary);
    border-radius: 50%;
    animation: workspace-loading-turn 900ms linear infinite;
}
.student-notes__workspace[data-loading] > :not(.workspace-loading) { visibility: hidden; }
.student-notes__workspace > .workspace-loading {
    position: absolute;
    inset: 0;
}
.workspace-loading[hidden] { display: none; }
@keyframes workspace-loading-turn { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
    .workspace-loading__indicator { animation: none; }
}