.post-loading-overlay {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 2147483647;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.58);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.15s ease, visibility 0.15s ease;
}

.post-loading-overlay.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

.post-loading-overlay__panel {
    min-width: 150px;
    padding: 22px 26px;
    border-radius: 6px;
    background: #ffffff;
    box-shadow: 0 14px 40px rgba(15, 23, 42, 0.28);
    color: #274366;
    font-family: 'Poppins', 'Open Sans', sans-serif;
    font-size: 13px;
    font-weight: 600;
    text-align: center;
}

.post-loading-overlay__spinner {
    display: block;
    width: 34px;
    height: 34px;
    margin: 0 auto 12px;
    border: 4px solid #dce6f0;
    border-top-color: #274366;
    border-radius: 50%;
    box-sizing: border-box;
    animation: post-loading-rotation 0.75s linear infinite;
}

@keyframes post-loading-rotation {
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .post-loading-overlay {
        transition: none;
    }

    .post-loading-overlay__spinner {
        animation-duration: 1.5s;
    }
}