/* Symbol picker — click-to-copy grid. Loaded only on pages using
 * [ldh_ferramenta slug="simbolos-para-nick"] (see Symbols_For_Nick::enqueue_assets
 * and Shortcode::maybe_enqueue_assets). */

.ldh-symbol-tool {
	position: relative;
}

.ldh-symbol-tool__nav {
	position: sticky;
	top: 0;
	z-index: 2;
	display: flex;
	flex-wrap: wrap;
	gap: var(--ldh-space-xs);
	background: var(--ldh-color-bg);
	padding-block: var(--ldh-space-sm);
}

.ldh-symbol-tool__nav-item {
	font-size: 13px;
	font-weight: 600;
	color: var(--ldh-color-text);
	background: var(--ldh-color-surface);
	border: 1px solid var(--ldh-color-border);
	border-radius: var(--ldh-radius-sm);
	padding: var(--ldh-space-xs) var(--ldh-space-sm);
	text-decoration: none;
	white-space: nowrap;
}

.ldh-symbol-tool__nav-item:hover {
	background: var(--ldh-color-bg);
	border-color: var(--ldh-color-accent);
}

.ldh-symbol-tool__toast {
	position: sticky;
	top: 52px;
	z-index: 3;
	display: inline-block;
	margin-block: 0;
	padding: var(--ldh-space-xs) var(--ldh-space-md);
	font-size: 14px;
	font-weight: 600;
	color: #fff;
	background: var(--ldh-color-success);
	border-radius: var(--ldh-radius-sm);
	opacity: 0;
	transform: translateY(-4px);
	transition: opacity 0.15s ease, transform 0.15s ease;
	pointer-events: none;
}

.ldh-symbol-tool__toast.is-visible {
	opacity: 1;
	transform: translateY(0);
}

.ldh-symbol-tool__group {
	margin-top: var(--ldh-space-lg);
	/* Same content-visibility trick as emoji-copy.css: skips layout/paint
	 * for groups scrolled out of view across ~900 symbols total. */
	content-visibility: auto;
	contain-intrinsic-size: 400px;
}

.ldh-symbol-tool__group:target {
	scroll-margin-top: 96px;
}

.ldh-symbol-tool__group-title {
	margin: 0 0 var(--ldh-space-sm);
	font-size: 18px;
	font-weight: 600;
	color: var(--ldh-color-text);
}

.ldh-symbol-tool__grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
	gap: var(--ldh-space-xs);
}

.ldh-symbol-tool__item {
	display: flex;
	align-items: center;
	justify-content: center;
	aspect-ratio: 1;
	font-family: var(--ldh-font-mono);
	font-size: 20px;
	line-height: 1;
	color: var(--ldh-color-text);
	background: var(--ldh-color-surface);
	border: 1px solid var(--ldh-color-border);
	border-radius: var(--ldh-radius-sm);
	cursor: pointer;
	transition: transform 0.1s ease, background 0.1s ease;
}

.ldh-symbol-tool__item:hover {
	background: var(--ldh-color-bg);
}

.ldh-symbol-tool__item:active,
.ldh-symbol-tool__item.is-copied {
	transform: scale(0.9);
	background: var(--ldh-color-accent);
	color: #fff;
}

@media (min-width: 641px) {
	.ldh-symbol-tool__item {
		font-size: 22px;
	}
}