.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

body.post-bridge {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
}

.post-bridge-spinner {
    width: 2.75rem;
    height: 2.75rem;
    border: 3px solid #dee2e6;
    border-top-color: #0d6efd;
    border-radius: 50%;
    animation: post-bridge-spin 0.7s linear infinite;
}

@keyframes post-bridge-spin {
    to {
        transform: rotate(360deg);
    }
}