/* Filter bar & infinite loader */
.filter-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-label {
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.filter-control {
    min-width: 200px;
    padding: 0.65rem 1rem;
    border: 1px solid var(--color-border);
    background: var(--color-bg-elevated);
    color: var(--color-text);
    border-radius: var(--radius);
    font-size: 0.95rem;
}

.filter-control:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.posts-container.is-loading {
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.infinite-loader {
    display: none;
    justify-content: center;
    padding: var(--spacing-md) 0 var(--spacing-lg);
}

.posts-container.is-loading + .infinite-loader {
    display: flex;
}

.infinite-loader::after {
    content: '';
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 3px solid var(--color-border-light);
    border-top-color: var(--color-accent);
    animation: cs-spin 0.9s linear infinite;
}

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

.filter-bar-inline {
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.filter-buttons-inline {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.filter-button {
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
    padding: 0.5rem 1rem;
    cursor: pointer;
}

.filter-button.active {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}