/*
 * 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-offset, var(--mds-app-header-h, 56px));
	z-index: calc(var(--mds-sidebar-z, 9990) + 1);
	overflow: visible;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	padding: var(--mds-safe-top, 0px) max(16px, env(safe-area-inset-right, 0px)) 0 max(16px, env(safe-area-inset-left, 0px));
	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;
}

/* Push notifications bell — left of token chip */
.mds-app-header__notifications {
	position: relative;
	flex-shrink: 0;
	box-sizing: border-box;
	width: 36px;
	height: 36px;
	min-width: 36px;
	min-height: 36px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0;
	border: none;
	border-radius: 999px;
	background: transparent;
	color: var(--mds-sidebar-text-act);
	cursor: pointer;
	transition: background var(--mds-sidebar-transition), color var(--mds-sidebar-transition);
}

.mds-app-header__notifications:hover,
.mds-app-header__notifications:focus-visible {
	background: var(--mds-sidebar-hover-bg);
	color: var(--mds-sidebar-text-act);
	outline: none;
}

.mds-app-header__notifications-icon {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 20px;
	height: 20px;
	line-height: 0;
}

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

.mds-app-header__notifications-icon svg path {
	fill: currentColor;
}

.mds-app-header__notifications-dot {
	position: absolute;
	top: 7px;
	right: 7px;
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--mds-danger, #f04c49);
	pointer-events: none;
}

.mds-app-header__notifications--granted:not(.mds-app-header__notifications--unread) .mds-app-header__notifications-dot {
	display: none;
}

.mds-app-header__notifications--need {
	color: var(--theme-color-text_link, var(--mds-sidebar-accent));
}

.mds-app-header__notifications--need:hover,
.mds-app-header__notifications--need:focus-visible {
	color: var(--theme-color-text_hover, var(--theme-color-text_link, var(--mds-sidebar-accent)));
}

.mds-app-header__notifications--need .mds-app-header__notifications-dot {
	animation: mds-bell-dot-pulse 1.8s ease-in-out infinite;
}

.mds-app-header__notifications--need-quiet .mds-app-header__notifications-dot {
	animation: none;
}

.mds-app-header__notifications--denied {
	color: var(--mds-sidebar-text);
	opacity: 0.55;
}

.mds-app-header__notifications.is-nudge .mds-app-header__notifications-icon {
	transform-origin: top center;
	animation: mds-bell-shake 0.75s ease-in-out;
}

@keyframes mds-bell-dot-pulse {
	0%,
	100% {
		transform: scale(1);
		opacity: 1;
	}
	50% {
		transform: scale(1.35);
		opacity: 0.55;
	}
}

@keyframes mds-bell-shake {
	0%,
	100% { transform: rotate(0deg); }
	15% { transform: rotate(14deg); }
	30% { transform: rotate(-12deg); }
	45% { transform: rotate(10deg); }
	60% { transform: rotate(-8deg); }
	75% { transform: rotate(4deg); }
}

.mds-app-header__push-prompt {
	position: absolute;
	top: calc(100% + 8px);
	right: 0;
	z-index: 4;
	width: min(300px, calc(100vw - 24px));
	box-sizing: border-box;
	padding: 14px 16px 16px;
	background: var(--theme-color-alter_bg_color, var(--mds-sidebar-bg));
	color: var(--theme-color-text, var(--mds-sidebar-text));
	border: 1px solid var(--theme-color-bd_color, var(--mds-sidebar-bd));
	border-radius: 14px;
	box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
	opacity: 0;
	transform: translateY(-6px);
	transition: opacity 0.18s ease, transform 0.18s ease;
}

.mds-app-header__push-prompt[hidden] {
	display: none;
}

.mds-app-header__push-prompt.is-open {
	opacity: 1;
	transform: translateY(0);
}

.mds-app-header__push-prompt-title {
	margin: 0 0 6px;
	font-size: 15px;
	font-weight: 700;
	line-height: 1.3;
	color: var(--theme-color-text_dark, var(--mds-sidebar-text-act));
}

.mds-app-header__push-prompt-body {
	margin: 0 0 14px;
	font-size: 13px;
	line-height: 1.4;
	color: var(--theme-color-text, var(--mds-sidebar-text));
}

.mds-app-header__push-prompt-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	align-items: center;
}

.mds-app-header__push-prompt-actions .mds-btn {
	min-height: 36px;
}

@media (max-width: 767px) {
	.mds-app-header__push-prompt {
		position: fixed;
		left: 12px;
		right: 12px;
		width: auto;
		top: calc(var(--mds-app-header-offset, var(--mds-app-header-h, 56px)) + 8px);
		z-index: 6;
	}
}

@media (prefers-reduced-motion: reduce) {
	.mds-app-header__notifications--need .mds-app-header__notifications-dot,
	.mds-app-header__notifications.is-nudge .mds-app-header__notifications-icon,
	.mds-app-header__push-prompt {
		animation: none;
		transition: none;
	}
}

@media (min-width: 768px) {
	.mds-app-header__notify-backdrop {
		display: none !important;
	}
}

@media (pointer: coarse) {
	.mds-app-header__notifications {
		width: 44px;
		height: 44px;
		min-width: 44px;
		min-height: 44px;
	}

	.mds-app-header__push-prompt-actions .mds-btn {
		min-height: 44px;
	}
}

.mds-app-header__notify {
	position: relative;
	flex-shrink: 0;
	z-index: 2;
}

.mds-app-header__notify.is-asking {
	z-index: 5;
}

.mds-app-header__notify-backdrop {
	position: fixed;
	inset: 0;
	z-index: 0;
	background: rgba(0, 0, 0, 0.45);
	border: none;
	padding: 0;
	margin: 0;
	cursor: pointer;
}

.mds-app-header__notify-backdrop[hidden] {
	display: none;
}

.mds-app-header__notify-panel {
	position: absolute;
	top: calc(100% + 8px);
	right: 0;
	z-index: 2;
	width: min(360px, calc(100vw - 24px));
	max-height: min(70vh, 480px);
	display: flex;
	flex-direction: column;
	box-sizing: border-box;
	background: var(--theme-color-alter_bg_color, var(--mds-sidebar-bg));
	color: var(--theme-color-text, var(--mds-sidebar-text));
	border: 1px solid var(--theme-color-bd_color, var(--mds-sidebar-bd));
	border-radius: 14px;
	box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
	overflow: hidden;
}

.mds-app-header__notify-panel[hidden] {
	display: none;
}

.mds-app-header__notify-grab {
	display: none;
}

.mds-app-header__notify-head {
	flex-shrink: 0;
	padding: 12px 16px 10px;
	border-bottom: 1px solid var(--theme-color-bd_color, var(--mds-sidebar-bd));
}

.mds-app-header__notify-title {
	font-size: 15px;
	font-weight: 700;
	color: var(--theme-color-text_dark, var(--mds-sidebar-text-act));
}

.mds-app-header__notify-list {
	flex: 1;
	min-height: 0;
	overflow-y: auto;
	-webkit-overflow-scrolling: touch;
	overscroll-behavior: contain;
	padding: 6px 0;
}

.mds-app-header__notify-empty {
	margin: 0;
	padding: 28px 16px;
	text-align: center;
	font-size: 14px;
	color: var(--theme-color-text, var(--mds-sidebar-text));
}

.mds-app-header__notify-item {
	display: flex;
	flex-direction: column;
	gap: 4px;
	padding: 12px 16px;
	text-decoration: none;
	color: inherit;
	border-left: 3px solid transparent;
	box-sizing: border-box;
}

a.mds-app-header__notify-item:hover,
a.mds-app-header__notify-item:focus-visible {
	background: var(--theme-color-alter_bg_hover, var(--mds-sidebar-hover-bg));
	text-decoration: none;
	outline: none;
}

.mds-app-header__notify-item.is-unread {
	border-left-color: var(--theme-color-text_link, var(--mds-sidebar-accent));
}

.mds-app-header__notify-item-title {
	font-size: 14px;
	font-weight: 700;
	line-height: 1.3;
	color: var(--theme-color-text_dark, var(--mds-sidebar-text-act));
}

.mds-app-header__notify-item-body {
	font-size: 13px;
	line-height: 1.4;
	color: var(--theme-color-text, var(--mds-sidebar-text));
	display: -webkit-box;
	-webkit-line-clamp: 2;
	line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.mds-app-header__notify-item-time {
	font-size: 12px;
	color: var(--theme-color-text, var(--mds-sidebar-text));
	opacity: 0.7;
}

@media (max-width: 767px) {
	.mds-app-header__notify-backdrop {
		background: rgba(0, 0, 0, 0.55);
	}

	.mds-app-header__notify-panel {
		position: fixed;
		left: 0;
		right: 0;
		top: auto;
		bottom: 0;
		width: 100%;
		max-height: min(72vh, 520px);
		border-radius: 14px 14px 0 0;
		border-left: none;
		border-right: none;
		border-bottom: none;
		transform: translateY(100%);
		transition: transform 0.28s ease;
	}

	.mds-app-header__notify-panel.is-open {
		transform: translateY(0);
	}

	.mds-app-header__notify-grab {
		display: block;
		flex-shrink: 0;
		padding-top: 10px;
	}

	.mds-app-header__notify-handle {
		display: block;
		width: 36px;
		height: 4px;
		margin: 0 auto 4px;
		border-radius: 999px;
		background: color-mix(in srgb, var(--theme-color-bd_color, var(--mds-sidebar-bd)) 80%, transparent);
	}

	.mds-app-header__notify-head {
		padding: 4px 16px 12px;
		text-align: center;
	}

	.mds-app-header__notify-panel[hidden] {
		display: none;
	}
}

/* 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;
	}
}