/*
 * MDS App Header — full-width bar above the left sidebar
 * Uses shell tokens from mds-sidebar.css (:root --mds-sidebar-*)
 */

.mds-app-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	height: var(--mds-app-header-h, 56px);
	z-index: calc(var(--mds-sidebar-z, 9990) + 1);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	padding: 0 16px;
	box-sizing: border-box;
	background: var(--mds-sidebar-bg);
	border-bottom: 1px solid var(--mds-sidebar-bd);
	color: var(--mds-sidebar-text);
}

.mds-app-header__left,
.mds-app-header__right {
	display: flex;
	align-items: center;
	gap: 8px;
	flex-shrink: 0;
	min-width: 0;
}

.mds-app-header__right {
	margin-left: auto;
	justify-content: flex-end;
	gap: 10px;
}

.mds-app-header__center {
	position: absolute;
	left: 50%;
	transform: translateX(-50%);
	max-width: calc(100% - 180px);
	pointer-events: none;
	display: none;
}

.mds-app-header__mobile-only {
	display: none;
}

.mds-app-header__desktop-only {
	display: flex;
}

.mds-app-header__title {
	font-size: 15px;
	font-weight: 600;
	color: var(--mds-sidebar-text-act);
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.mds-app-header__menu {
	flex-shrink: 0;
	width: 40px;
	height: 40px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: transparent;
	border: none;
	border-radius: 8px;
	color: var(--mds-sidebar-text);
	cursor: pointer;
	transition: background var(--mds-sidebar-transition), color var(--mds-sidebar-transition);
}

.mds-app-header__menu:hover,
.mds-app-header__menu[aria-expanded="true"] {
	background: var(--mds-sidebar-hover-bg);
	color: var(--mds-sidebar-text-act);
}

.mds-app-header__menu-icon {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 20px;
	height: 20px;
}

.mds-app-header__menu-icon svg {
	width: 20px;
	height: 20px;
	display: block;
}

.mds-app-header__brand {
	display: flex;
	align-items: center;
	min-width: 0;
	max-width: min(180px, 36vw);
	text-decoration: none;
	color: var(--mds-sidebar-text-act);
}

.mds-app-header__brand-text {
	font-size: 15px;
	font-weight: 600;
	letter-spacing: .02em;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.mds-app-header__brand .mds-sidebar__logo {
	height: var(--mds-sidebar-logo-h);
	width: auto;
	max-width: 100%;
	object-fit: contain;
}

/* Tokens — default: subtle chip (light theme); dark pill override below */
.mds-app-header__tokens {
	display: inline-flex;
	align-items: center;
	box-sizing: border-box;
	height: 36px;
	min-height: 36px;
	max-height: 36px;
	padding: 0 12px;
	gap: 6px;
	border-radius: 999px;
	background: color-mix(in srgb, var(--mds-sidebar-text-act) 5%, transparent);
	border: 1px solid var(--mds-sidebar-bd);
	color: var(--mds-sidebar-text-act);
	font-weight: 700;
	font-size: 14px;
	text-decoration: none;
	white-space: nowrap;
	transition: background var(--mds-sidebar-transition), border-color var(--mds-sidebar-transition), color var(--mds-sidebar-transition);
}

.mds-app-header__tokens:hover,
.mds-app-header__tokens:focus-visible {
	background: var(--mds-sidebar-hover-bg);
	border-color: var(--mds-sidebar-bd);
	color: var(--mds-sidebar-text-act);
	text-decoration: none;
}

/* Profile / Sign In — ghost by default, pill BG on hover only */
.mds-app-header__profile {
	display: inline-flex;
	align-items: center;
	box-sizing: border-box;
	height: 36px;
	min-height: 36px;
	max-height: 36px;
	padding: 0 8px 0 4px;
	gap: 8px;
	min-width: 0;
	max-width: min(240px, 32vw);
	border-radius: 999px;
	background: transparent;
	border: 1px solid transparent;
	color: var(--mds-sidebar-text-act);
	text-decoration: none;
	white-space: nowrap;
	transition: background var(--mds-sidebar-transition), border-color var(--mds-sidebar-transition);
}

.mds-app-header__profile:hover,
.mds-app-header__profile:focus-visible {
	background: var(--mds-sidebar-hover-bg);
	border-color: transparent;
	text-decoration: none;
}

.mds-app-header__tokens-icon {
	display: flex;
	align-items: center;
	line-height: 0;
}

.mds-app-header__tokens .mds-ai-star {
	color: var(--theme-color-text_link, var(--mds-sidebar-accent));
}

.mds-app-header__tokens-val {
	color: var(--mds-sidebar-text-act);
	line-height: 1;
}

/* Filled accent pill — both themes (light: dark icon for contrast on purple) */
html body.mds-theme-page .mds-app-header__tokens,
body.mds-theme-page .mds-app-header__tokens {
	background: var(--theme-color-text_link, var(--mds-sidebar-accent));
	border-color: transparent;
	color: var(--mds-on-accent, #fff);
}

html body.mds-theme-page .mds-app-header__tokens:hover,
html body.mds-theme-page .mds-app-header__tokens:focus-visible,
body.mds-theme-page .mds-app-header__tokens:hover,
body.mds-theme-page .mds-app-header__tokens:focus-visible {
	background: var(--theme-color-text_hover, var(--theme-color-text_link, var(--mds-sidebar-accent)));
	border-color: transparent;
	color: var(--mds-on-accent, #fff);
}

html body.mds-theme-page .mds-app-header__tokens-val,
body.mds-theme-page .mds-app-header__tokens-val {
	color: inherit;
}

html body.mds-theme-page .mds-app-header__tokens .mds-ai-star,
body.mds-theme-page .mds-app-header__tokens .mds-ai-star {
	color: inherit;
}

.mds-app-header__avatar {
	width: 28px;
	height: 28px;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
	overflow: hidden;
	color: var(--mds-sidebar-text);
	flex-shrink: 0;
}

.mds-app-header__avatar-img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	border-radius: 50%;
}

.mds-app-header__avatar svg {
	width: 18px;
	height: 18px;
}

.mds-app-header__name {
	font-size: 14px;
	font-weight: 700;
	line-height: 1;
	color: var(--mds-sidebar-text-act);
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	min-width: 0;
	padding-right: 2px;
}

@media (min-width: 768px) {
	.admin-bar .mds-app-header {
		top: 32px;
	}
}

@media (min-width: 768px) and (max-width: 782px) {
	.admin-bar .mds-app-header {
		top: 46px;
	}
}

@media (max-width: 767px) {
	.admin-bar .mds-app-header {
		top: 46px;
	}

	.mds-app-header {
		padding-left: var(--theme-var-page_extra, var(--mds-content-gutter, 16px));
		padding-right: var(--theme-var-page_extra, var(--mds-content-gutter, 16px));
		gap: 10px;
	}

	.mds-app-header__desktop-only {
		display: none !important;
	}

	.mds-app-header__mobile-only {
		display: block;
		flex: 1 1 auto;
		min-width: 0;
	}

	.mds-app-header__center {
		position: static;
		left: auto;
		transform: none;
		max-width: none;
		pointer-events: auto;
	}

	.mds-app-header__title {
		display: block;
		font-size: 16px;
	}

	.mds-app-header__right {
		flex-shrink: 0;
		gap: 10px;
	}
}