/**
 * OpenStation — Posts app styles.
 *
 * The list layout (toolbar, body, pager, tabs, the phone rules) is the
 * framework's `.os-app-list*` family in `assets/css/app-runtime.css`;
 * this sheet owns what is the Posts window's alone: the term canvas —
 * one chrome (`.os-term-canvas*`) the Categories mind map and the Tags
 * cloud both wear, each with a modifier for its own background — and
 * its phone fold. Cell-content styles are inlined in `parts/cells/`,
 * since <os-table> paints into its own shadow root.
 */

.os-posts__terms-host {
	display: flex;
	flex-direction: column;
	flex: 1 1 auto;
	min-height: 0;
	min-width: 0;
}

/* ---------------------------------------------------------------
 * The term canvas: a toolbar across the top, the Pixi stage on the
 * left, a fixed-width sidebar editor on the right. The Pixi side
 * paints the terms, the post satellites and the pager into the
 * canvas; this sheet owns the chrome around it. */
.os-term-canvas {
	flex: 1 1 auto;
	min-height: 0;
	min-width: 0;
	display: flex;
	flex-direction: column;
	background: var( --os-ui-surface, #fff );
}

/* The mind map's surface: a dot grid — the "infinite thinking
 * surface" texture — under two theme-tinted vignettes for depth. */
.os-term-canvas.os-mindmap {
	background:
		radial-gradient(
			circle,
			var( --os-ui-border, rgba( 0, 0, 0, 0.06 ) ) 1px,
			transparent 1.5px
		) 0 0 / 24px 24px,
		radial-gradient(
			ellipse at 28% 22%,
			color-mix(
				in srgb,
				var( --wp-admin-theme-color, #2271b1 ) 8%,
				transparent
			),
			transparent 60%
		),
		radial-gradient(
			ellipse at 78% 80%,
			color-mix(
				in srgb,
				var( --wp-admin-theme-color, #2271b1 ) 5%,
				transparent
			),
			transparent 58%
		),
		var( --os-ui-surface, #fff );
}

/* The tag cloud's surface: faint diagonal pinstripes — a sticker wall. */
.os-term-canvas.os-tagcloud {
	background:
		repeating-linear-gradient(
			135deg,
			transparent 0,
			transparent 22px,
			color-mix( in srgb, var( --wp-admin-theme-color, #2271b1 ) 4%, transparent ) 22px,
			color-mix( in srgb, var( --wp-admin-theme-color, #2271b1 ) 4%, transparent ) 23px
		),
		radial-gradient(
			circle at 30% 20%,
			color-mix(
				in srgb,
				var( --wp-admin-theme-color, #2271b1 ) 6%,
				transparent
			),
			transparent 65%
		),
		var( --os-ui-surface, #fff );
}

.os-term-canvas__toolbar {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 10px 14px;
	border-bottom: 1px solid var( --os-ui-border, rgba( 0, 0, 0, 0.08 ) );
	background: var( --os-ui-surface, rgba( 255, 255, 255, 0.6 ) );
	backdrop-filter: blur( 8px );
	/* A stacking context, so the search dropdown paints above the
	 * pixi canvas in the layout sibling below. Without it the canvas
	 * (later in the DOM, no z-index) wins the paint order and the
	 * dropdown renders BEHIND the chips — clicks land on the canvas. */
	position: relative;
	z-index: 2;
}

.os-term-canvas__btn {
	appearance: none;
	display: inline-flex;
	align-items: center;
	gap: 4px;
	padding: 6px 10px;
	font: inherit;
	font-size: 12px;
	font-weight: 500;
	border: 1px solid var( --os-ui-border, #c3c4c7 );
	border-radius: 6px;
	background: transparent;
	color: var( --os-ui-fg, #1d2327 );
	cursor: pointer;
	transition: background-color 0.12s ease, border-color 0.12s ease,
		color 0.12s ease;
}

.os-term-canvas__btn:hover {
	background: var( --os-ui-hover, rgba( 0, 0, 0, 0.04 ) );
	border-color: var( --wp-admin-theme-color, #2271b1 );
}

.os-term-canvas__btn--primary {
	background: var( --wp-admin-theme-color, #2271b1 );
	color: var( --os-ui-accent-ink, var( --os-ui-fg-on-accent, #fff ) );
	border-color: transparent;
}

.os-term-canvas__btn--primary:hover {
	filter: brightness( 1.05 );
	background: var( --wp-admin-theme-color, #2271b1 );
	color: var( --os-ui-accent-ink, var( --os-ui-fg-on-accent, #fff ) );
}

.os-term-canvas__btn--secondary {
	background: var( --os-ui-hover, rgba( 0, 0, 0, 0.04 ) );
}

.os-term-canvas__btn--danger {
	color: var( --os-ui-danger, #d63638 );
	border-color: transparent;
}

.os-term-canvas__btn--danger:hover {
	background: color-mix( in srgb, var( --os-ui-danger, #d63638 ) 10%, transparent );
	border-color: color-mix( in srgb, var( --os-ui-danger, #d63638 ) 35%, transparent );
}

.os-term-canvas__btn--danger.is-armed {
	background: var( --os-ui-danger, #d63638 );
	color: var( --os-ui-fg-on-accent, #fff );
	border-color: transparent;
}

.os-term-canvas__hint {
	flex: 1 1 auto;
	font-size: 12px;
	font-style: italic;
	color: var( --os-ui-fg-muted, #50575e );
	text-align: end;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.os-term-canvas__search {
	position: relative;
	flex: 0 1 280px;
	min-width: 180px;
}

.os-term-canvas__search-input {
	width: 100%;
	padding: 6px 10px;
	border: 1px solid var( --os-ui-border, #d8dde4 );
	border-radius: 6px;
	background: var( --os-ui-surface, #fff );
	color: inherit;
	font: inherit;
	font-size: 13px;
}

.os-term-canvas__search-input:focus {
	outline: none;
	border-color: var( --os-ui-accent, var( --wp-admin-theme-color, #2271b1 ) );
	box-shadow: 0 0 0 3px
		var( --os-ui-accent-soft, rgba( 34, 113, 177, 0.18 ) );
}

.os-term-canvas__search-results {
	position: absolute;
	top: calc( 100% + 4px );
	inset-inline-start: 0;
	inset-inline-end: 0;
	margin: 0;
	padding: 4px;
	list-style: none;
	background: var( --os-ui-surface-elevated, #fff );
	border: 1px solid var( --os-ui-border, #d8dde4 );
	border-radius: 8px;
	box-shadow: 0 6px 18px rgba( 17, 24, 39, 0.08 );
	z-index: 100;
	max-height: 300px;
	overflow-y: auto;
}

.os-term-canvas__search-result {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 8px;
	width: 100%;
	padding: 6px 10px;
	background: transparent;
	border: 0;
	border-radius: 6px;
	color: inherit;
	cursor: pointer;
	text-align: start;
	font: inherit;
	font-size: 13px;
}

.os-term-canvas__search-result:hover,
.os-term-canvas__search-result.is-active {
	background: var( --os-ui-hover, rgba( 79, 139, 243, 0.08 ) );
}

.os-term-canvas__search-title {
	flex: 1;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.os-term-canvas__search-meta {
	font-size: 11px;
	color: var( --os-ui-fg-muted, #6b7280 );
	white-space: nowrap;
}

/* Two columns: the Pixi stage on the left, the sidebar on the right.
 * The sidebar always renders — the empty-state copy when nothing is
 * focused, the editor form otherwise — so the editing surface never
 * covers the terms. */
.os-term-canvas__layout {
	display: flex;
	flex: 1 1 auto;
	min-height: 0;
	min-width: 0;
}

.os-term-canvas__stage {
	position: relative;
	flex: 1 1 auto;
	min-height: 0;
	min-width: 0;
	overflow: hidden;
	/* Fades in once the first fit-to-view has run: without it the
	 * canvas paints its unfitted transform on the frame between mount
	 * and the first rAF, which reads as a flash. */
	transition: opacity 200ms ease;
}

.os-term-canvas__stage.is-loading {
	opacity: 0;
}

.os-term-canvas__sidebar {
	flex: 0 0 320px;
	display: flex;
	flex-direction: column;
	gap: 12px;
	padding: 16px;
	border-inline-start: 1px solid var( --os-ui-border, rgba( 0, 0, 0, 0.08 ) );
	background: var( --os-ui-surface, #fff );
	color: var( --os-ui-fg, #1d2327 );
	overflow-y: auto;
	min-height: 0;
}

.os-term-canvas__sidebar-empty {
	flex: 1 1 auto;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 6px;
	color: var( --os-ui-fg-muted, #50575e );
	text-align: center;
	padding: 24px 8px;
}

.os-term-canvas__sidebar-empty .dashicons {
	font-size: 36px;
	width: 36px;
	height: 36px;
	opacity: 0.5;
}

.os-term-canvas__sidebar-empty-title {
	font-size: 13px;
	font-weight: 600;
	color: var( --os-ui-fg, #1d2327 );
	margin: 0;
}

.os-term-canvas__sidebar-empty-hint {
	font-size: 12px;
	font-style: italic;
	max-width: 220px;
	margin: 0;
}

/* The cloud's hint runs a line longer. */
.os-tagcloud .os-term-canvas__sidebar-empty-hint {
	max-width: 240px;
}

.os-term-canvas__sidebar-header {
	display: flex;
	align-items: center;
	gap: 8px;
	font-size: 11px;
	font-weight: 600;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: var( --os-ui-fg-muted, #50575e );
}

.os-term-canvas__sidebar-dot {
	width: 10px;
	height: 10px;
	border-radius: 50%;
	flex: 0 0 10px;
}

.os-term-canvas__sidebar-slug {
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.os-term-canvas__sidebar-label {
	font-size: 11px;
	font-weight: 500;
	color: var( --os-ui-fg-muted, #50575e );
	margin-block-start: 4px;
}

.os-term-canvas__sidebar-meta {
	font-size: 12px;
	color: var( --os-ui-fg-muted, #50575e );
	padding-block: 4px;
}

.os-term-canvas__canvas {
	display: block;
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	touch-action: none;
}

.os-term-canvas__editor-name {
	appearance: none;
	font: inherit;
	font-size: 14px;
	font-weight: 600;
	padding: 6px 8px;
	border: 1px solid var( --os-ui-border, #c3c4c7 );
	border-radius: 6px;
	background: var( --os-ui-surface, #fff );
	color: inherit;
}

.os-term-canvas__editor-name:focus,
.os-term-canvas__editor-desc:focus {
	outline: none;
	border-color: var( --wp-admin-theme-color, #2271b1 );
	box-shadow: 0 0 0 2px
		color-mix(
			in srgb,
			var( --wp-admin-theme-color, #2271b1 ) 25%,
			transparent
		);
}

.os-term-canvas__editor-desc {
	appearance: none;
	font: inherit;
	font-size: 12px;
	padding: 6px 8px;
	border: 1px solid var( --os-ui-border, #c3c4c7 );
	border-radius: 6px;
	background: var( --os-ui-surface, #fff );
	color: inherit;
	resize: vertical;
	min-height: 46px;
}

.os-term-canvas__editor-actions {
	display: flex;
	gap: 6px;
	flex-wrap: wrap;
}

.os-term-canvas__editor-actions .os-term-canvas__btn {
	flex: 1 1 auto;
	justify-content: center;
}

.os-term-canvas__empty {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	pointer-events: none;
	color: var( --os-ui-fg-muted, #50575e );
	font-size: 13px;
	font-style: italic;
	text-align: center;
	padding: 0 24px;
}

/*
 * The canvas keeps a 320px editor beside the stage on a desk. A phone
 * has no beside: the editor folds UNDER the stage as a sheet — at
 * most half the height, its own scroll, clearing the home indicator —
 * and only while a term is focused; while it would only say "select
 * a term" it is not there, and the stage has the whole screen. The
 * same fold under a narrow container, for a desk window pulled in.
 */
html[data-os-mode="mobile"] .os-term-canvas__layout {
	flex-direction: column;
}
html[data-os-mode="mobile"] .os-term-canvas__sidebar {
	flex: 0 0 auto;
	max-block-size: 50%;
	border-inline-start: 0;
	border-block-start: 1px solid var( --os-ui-border, rgba( 0, 0, 0, 0.08 ) );
	padding: 12px 16px calc( 12px + env( safe-area-inset-bottom, 0px ) );
	box-shadow: 0 -6px 18px rgba( 0, 0, 0, 0.06 );
}
html[data-os-mode="mobile"] .os-term-canvas__sidebar:has( > .os-term-canvas__sidebar-empty ) {
	display: none;
}
@container ( max-width: 640px ) {
	.os-term-canvas__layout {
		flex-direction: column;
	}
	.os-term-canvas__sidebar {
		flex: 0 0 auto;
		max-block-size: 50%;
		border-inline-start: 0;
		border-block-start: 1px solid var( --os-ui-border, rgba( 0, 0, 0, 0.08 ) );
	}
	.os-term-canvas__sidebar:has( > .os-term-canvas__sidebar-empty ) {
		display: none;
	}
}