/*
 * Native Comments window — two-pane conversation view.
 *
 * Thread rail (left) + nested conversation (right) + composer.
 * Variables come from `variables.css`; this file just maps them onto
 * the comments-specific markup so the window picks up theme +
 * color-scheme changes for free. Controls that have a `<os-*>`
 * component are styled through that component's documented custom
 * properties rather than re-implemented here.
 */

.os-comments {
	display: flex;
	flex-direction: column;
	/*
	 * `block-size` (not `min-block-size`) — pins the container to the
	 * window body's exact height so the inner flex column has a fixed
	 * frame to distribute against. With `min-block-size` the scrolling
	 * panes grew past the frame and pushed the composer off the bottom
	 * edge of the window. `box-sizing: border-box` keeps any padding
	 * inside the 100% box.
	 */
	box-sizing: border-box;
	block-size: 100%;
	inline-size: 100%;
	overflow: hidden;
	position: relative;
	color: var( --os-ui-fg, #1d2327 );
}

/*
 * Any element inside the comments window that opts into HTML's
 * `hidden` attribute is hidden — full stop. Without this rule the
 * `display: flex` on `__msg-actions` would win against the UA
 * stylesheet's bare `[hidden]` selector (class beats element), and
 * the action row would stay on screen underneath the inline comment
 * editor that just replaced it. Authoritative single override.
 */
.os-comments [hidden] {
	display: none !important;
}

/*
 * Local fallback for core's visually-hidden helper. wp-admin defines
 * `.screen-reader-text` and the shell renders inside wp-admin, but the
 * status dots and link hints below are meaningless without it — worth
 * not depending on load order for.
 */
.os-comments .screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip-path: inset( 50% );
	white-space: nowrap;
	border: 0;
}

/* ── Tab strip ───────────────────────────────────────────────── */
/*
 * `<os-tabs>` brings its own chrome, roving tabindex and focus ring.
 * All that's needed here is the strip's place in the column and the
 * count chip slotted into each `<os-tab>` (light DOM, so a plain
 * descendant selector reaches it).
 */
.os-comments__tabrow {
	flex: 0 0 auto;
	padding-inline: 12px;
	border-block-end: 1px solid var( --os-ui-border, #dcdcde );
}

/* `<os-badge no-dot>` owns the pill — this is spacing only. */
.os-comments__tab-count {
	--os-ui-badge-padding: 1px 6px;
	--os-ui-badge-font: 500 11px/1.4 var( --os-font, system-ui );
	margin-inline-start: 6px;
	font-variant-numeric: tabular-nums;
}

/* ── Split ───────────────────────────────────────────────────── */
.os-comments__split {
	flex: 1 1 auto;
	min-block-size: 0;
	display: grid;
	grid-template-columns: 306px 1fr;
	overflow: hidden;
}

/* ── Left rail ───────────────────────────────────────────────── */
.os-comments__rail {
	border-inline-end: 1px solid var( --os-ui-border, #dcdcde );
	display: flex;
	flex-direction: column;
	min-block-size: 0;
	background: var( --os-ui-surface-sunken, #fbfbfc );
}

.os-comments__search {
	padding: 12px;
	flex: 0 0 auto;
}

.os-comments__search os-text-field {
	display: block;
	width: 100%;
}

.os-comments__list {
	overflow-y: auto;
	flex: 1 1 auto;
	min-block-size: 0;
}

/* "Scoped to one post" banner at the top of the rail. */
.os-comments__rail-filter {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 8px;
	padding: 8px 14px;
	font-size: 12px;
	background: color-mix( in srgb, var( --os-ui-accent, #2271b1 ) 8%, transparent );
	border-block-end: 1px solid var( --os-ui-border, #dcdcde );
}
.os-comments__rail-filter-label {
	color: var( --os-ui-fg, #1d2327 );
	font-weight: 600;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}
.os-comments__rail-filter-clear {
	flex: 0 0 auto;
	--os-ui-button-padding: 0;
	font-size: 12px;
}

/* `role="listitem"` wrapper — the row itself has to stay a button. */
.os-comments__thread-slot {
	display: block;
}

.os-comments__thread {
	display: grid;
	grid-template-columns: 36px 1fr auto;
	gap: 10px;
	padding: 12px 14px;
	cursor: pointer;
	border-block-end: 1px solid color-mix( in srgb, currentColor 6%, transparent );
	position: relative;
	text-align: start;
	appearance: none;
	background: transparent;
	border-inline: 0;
	border-block-start: 0;
	font: inherit;
	color: inherit;
	width: 100%;
}

.os-comments__thread:hover {
	background: var( --os-ui-hover, rgba( 0, 0, 0, 0.045 ) );
}

.os-comments__thread:focus-visible {
	outline: 2px solid var( --os-ui-accent, #2271b1 );
	outline-offset: -2px;
}

.os-comments__thread.is-selected {
	background: color-mix( in srgb, var( --os-ui-accent, #2271b1 ) 8%, transparent );
}

.os-comments__thread.is-selected::before {
	content: "";
	position: absolute;
	inset-inline-start: 0;
	inset-block: 0;
	width: 3px;
	background: var( --os-ui-accent, #2271b1 );
}

/* In-flight moderation on this conversation. */
.os-comments__thread.is-busy {
	opacity: 0.5;
	pointer-events: none;
}

/*
 * Avatar. `<os-avatar>` owns the circle, the hue, the initials
 * fallback and its own sizing (via the `size` attribute) — anything
 * set here would be a light-DOM author style overriding the
 * component's `:host` rules, so this stays to layout only.
 */
.os-comments__disc {
	flex: 0 0 auto;
}

.os-comments__thread-main {
	min-width: 0;
}

.os-comments__thread-name {
	font-size: 13.5px;
	font-weight: 600;
	color: var( --os-ui-fg, #1d2327 );
	display: flex;
	align-items: center;
	gap: 6px;
}

.os-comments__thread-snip {
	font-size: 12.5px;
	color: var( --os-ui-fg-muted, #50575e );
	margin-block-start: 2px;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.os-comments__thread-post {
	font-size: 11.5px;
	color: var( --os-ui-fg-faint, #787c82 );
	margin-block-start: 3px;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.os-comments__thread-meta {
	display: flex;
	flex-direction: column;
	align-items: flex-end;
	gap: 6px;
	flex: 0 0 auto;
}

.os-comments__thread-time {
	font-size: 11px;
	color: var( --os-ui-fg-faint, #787c82 );
	font-variant-numeric: tabular-nums;
	white-space: nowrap;
}

/*
 * Rail status: a `<os-badge>` with no room for its label, so the pill
 * collapses to the tone dot the component already paints. Driven
 * through the badge's own variable surface rather than by overriding
 * its `:host` rules from the light DOM — the tone palette still owns
 * the colour. The label rides along as slotted screen-reader text, so
 * the hue is never the only carrier of the meaning.
 */
.os-comments__status {
	--os-ui-badge-padding: 0;
	--os-ui-badge-bg: transparent;
	--os-ui-badge-border: 0;
	--os-ui-badge-gap: 0;
	flex: 0 0 auto;
	position: relative;
}

.os-comments__reply-count {
	--os-ui-badge-padding: 1px 6px;
	--os-ui-badge-font: 500 10.5px/1.4 var( --os-font, system-ui );
	font-variant-numeric: tabular-nums;
	white-space: nowrap;
	position: relative;
}

.os-comments__list-loading {
	display: flex;
	justify-content: center;
	padding: 28px 16px;
}

.os-comments__load-more {
	display: flex;
	justify-content: center;
	padding: 12px;
}

/* ── Right pane: conversation ────────────────────────────────── */
.os-comments__convo {
	display: flex;
	flex-direction: column;
	min-width: 0;
	min-block-size: 0;
	background: var( --os-ui-surface, #fff );
}

/* `<os-empty-state>` owns the icon + copy; this is placement only. */
.os-comments__placeholder {
	margin: auto;
	padding: 40px 24px;
	display: block;
}

.os-comments__convo-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	padding: 14px 18px;
	border-block-end: 1px solid var( --os-ui-border, #dcdcde );
	flex: 0 0 auto;
}
.os-comments__convo-context {
	min-width: 0;
}
.os-comments__convo-kicker {
	font-size: 11px;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var( --os-ui-fg-faint, #787c82 );
	font-weight: 600;
}
.os-comments__convo-post {
	font-size: 15px;
	font-weight: 600;
	color: var( --os-ui-fg, #1d2327 );
	margin-block-start: 2px;
	display: block;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

/*
 * The post title doubles as the "edit this post" affordance. The
 * pencil sits at 55% opacity so the title reads as interactive at
 * rest — a hover-only hint would be invisible to anyone who never
 * hovers, and invisible on touch entirely.
 */
a.os-comments__convo-post--editable {
	text-decoration: none;
	color: var( --os-ui-fg, #1d2327 );
}
.os-comments__convo-post-pencil {
	margin-inline-start: 6px;
	vertical-align: -2px;
	opacity: 0.55;
	color: var( --os-ui-fg-muted, #50575e );
}
a.os-comments__convo-post--editable:hover,
a.os-comments__convo-post--editable:focus-visible {
	color: var( --os-ui-accent, #2271b1 );
	text-decoration: underline;
}
a.os-comments__convo-post--editable:hover .os-comments__convo-post-pencil,
a.os-comments__convo-post--editable:focus-visible .os-comments__convo-post-pencil {
	opacity: 1;
	color: inherit;
}
a.os-comments__convo-post--editable:focus-visible {
	outline: 2px solid var( --os-ui-accent, #2271b1 );
	outline-offset: 2px;
	border-radius: 3px;
}

.os-comments__convo-head-actions {
	display: flex;
	align-items: center;
	gap: 8px;
	flex: 0 0 auto;
}
.os-comments__convo-link {
	color: var( --os-ui-accent, #2271b1 );
	font-size: 12.5px;
	text-decoration: none;
	white-space: nowrap;
	display: inline-flex;
	align-items: center;
	gap: 4px;
}
.os-comments__convo-link:hover { text-decoration: underline; }
.os-comments__convo-link:focus-visible {
	outline: 2px solid var( --os-ui-accent, #2271b1 );
	outline-offset: 2px;
	border-radius: 3px;
}

/* The block editor's `external` glyph — inherits the link colour. */
.os-comments__ext-icon {
	width: 18px;
	height: 18px;
	fill: currentColor;
	flex: 0 0 auto;
}

.os-comments__thread-scroll {
	padding: 18px 18px 6px;
	overflow-y: auto;
	flex: 1 1 auto;
	min-block-size: 0;
}

/* A message + its nested children */
.os-comments__msg {
	display: grid;
	grid-template-columns: 34px 1fr;
	gap: 12px;
}
.os-comments__msg-rail {
	display: flex;
	flex-direction: column;
	align-items: center;
}
.os-comments__msg-line {
	flex: 1 1 auto;
	width: 2px;
	background: var( --os-ui-border, #dcdcde );
	margin-block-start: 6px;
	border-radius: 2px;
}
.os-comments__msg-body {
	min-width: 0;
	padding-block-end: 12px;
}
.os-comments__msg-head {
	display: flex;
	align-items: baseline;
	gap: 8px;
	flex-wrap: wrap;
}
.os-comments__msg-name {
	font-weight: 600;
	font-size: 13.5px;
	color: var( --os-ui-fg, #1d2327 );
}
.os-comments__msg-you {
	--os-ui-badge-padding: 0 5px;
	--os-ui-badge-font: 600 10.5px/1.4 var( --os-font, system-ui );
}
.os-comments__msg-time {
	font-size: 11.5px;
	color: var( --os-ui-fg-faint, #787c82 );
	font-variant-numeric: tabular-nums;
}

/*
 * Status chip on any message that isn't approved. A pending reply
 * buried in an approved thread is exactly what a moderator is
 * looking for — the tint alone doesn't carry that.
 */
/* Tone + pill come from `<os-badge>`; only the metrics are ours. */
.os-comments__msg-status {
	--os-ui-badge-padding: 0 5px;
	--os-ui-badge-font: 600 10.5px/1.4 var( --os-font, system-ui );
}

.os-comments__msg[ data-status="spam" ] .os-comments__msg-text,
.os-comments__msg[ data-status="trash" ] .os-comments__msg-text {
	opacity: 0.65;
}

.os-comments__msg-text {
	font-size: 13.5px;
	line-height: 1.5;
	color: var( --os-ui-fg, #2c3338 );
	margin-block-start: 4px;
	overflow-wrap: anywhere;
}

/*
 * Per-message inline actions — always visible, the whole point.
 *
 * Styled as wp-admin's own comment row actions: chrome-less links
 * separated by pipes (`Approve | Reply | Edit | Spam | Trash`) rather
 * than a row of buttons. The pipe is a CSS separator on every action
 * but the first, so it never lands on a hidden-by-capability action
 * and never needs a DOM node of its own.
 */
.os-comments__msg-actions {
	display: flex;
	align-items: center;
	gap: 8px;
	margin-block-start: 8px;
	flex-wrap: wrap;
	font-size: 12.5px;
}

.os-comments__act {
	--os-ui-button-padding: 0;
	--os-ui-button-fg: var( --os-ui-accent, #2271b1 );
	font-size: 12.5px;
	line-height: 1.4;
}

/*
 * The separator belongs to the row, not to either link — so it stays
 * out of the underline, out of both hit targets, and (via
 * `aria-hidden`) out of the accessibility tree.
 */
.os-comments__act-sep {
	color: var( --os-ui-fg-faint, #c3c4c7 );
	user-select: none;
	pointer-events: none;
}

.os-comments__act.is-danger {
	--os-ui-button-fg: var( --os-ui-danger, #b32d2e );
}

.os-comments__nested {
	margin-block-start: 12px;
}

/* ── Composer ────────────────────────────────────────────────── */
.os-comments__composer {
	border-block-start: 1px solid var( --os-ui-border, #dcdcde );
	background: var( --os-ui-surface-elevated, #f6f7f7 );
	padding: 12px 18px 16px;
	flex: 0 0 auto;
}
.os-comments__composer.is-empty {
	display: none;
}
.os-comments__composer-to {
	font-size: 12px;
	color: var( --os-ui-fg-muted, #50575e );
	margin-block-end: 8px;
}
.os-comments__composer-to b {
	color: var( --os-ui-fg, #1d2327 );
}
.os-comments__composer-row {
	display: flex;
	align-items: center;
	justify-content: flex-end;
	gap: 8px;
	margin-block-start: 10px;
}
.os-comments__composer-hint {
	font-size: 11.5px;
	color: var( --os-ui-fg-faint, #787c82 );
	margin-inline-end: auto;
}

.os-comments__reply-input {
	display: block;
	width: 100%;
}

.os-comments__fatal {
	padding: 24px;
	color: var( --os-ui-fg-faint, #787c82 );
}

/* Cursor override: the shell forces `cursor: default !important`. */
body.os-active .os-comments__thread,
body.os-active .os-comments__convo-link,
body.os-active a.os-comments__convo-post--editable {
	cursor: pointer !important;
}

@media ( max-width: 720px ) {
	.os-comments__split { grid-template-columns: 1fr; }
	.os-comments__rail { display: none; }
}