/**
 * block_header 顯隱動畫樣式。
 *
 * 原本內嵌於 templates/block/block_header.html.twig 的 <style>，
 * 為移除 CSP style-src 'unsafe-inline'，改由 omia/omiaBlockHeader library
 * 以外部 CSS（style-src-elem 'self'）供應。JS 透過 .show / .hide class 切換。
 */
.user-block,
.Master-block {
	display: none;
	transition: visibility 0s, opacity 0.5s linear;
}

.user-block.show,
.Master-block.show {
	display: block;
	visibility: visible;
	opacity: 1;
}

.user-block.hide,
.Master-block.hide {
	visibility: hidden;
	opacity: 0;
	transition: visibility 0s 0.5s, opacity 0.5s linear;
}