:root {
	--nb-header-height-mobile: 60px;
	--nb-bottom-nav-height: 66px;
}

/* Patch 1.0.1: closed panels must never participate in layout. */
.nb-sheet-backdrop[hidden],
.nb-app-sheet[hidden],
.nb-cart-toast[hidden] { display: none !important; }
.nb-app-sheet { visibility: hidden; pointer-events: none; }
.nb-app-sheet.is-open { visibility: visible; pointer-events: auto; }

.nb-site-header,
.nb-checkout-header {
	position: sticky;
	z-index: var(--nb-layer-header);
	inset-block-start: 0;
	border-block-end: 1px solid var(--nb-color-border);
	background: color-mix(in srgb, var(--nb-color-bg) 92%, transparent);
	backdrop-filter: blur(14px);
}

.nb-is-standalone .nb-site-header,
.nb-is-standalone .nb-checkout-header { padding-block-start: var(--nb-safe-top); }

.nb-mobile-header,
.nb-checkout-header__inner {
	display: grid;
	min-height: 56px;
	align-items: center;
	gap: 6px;
}
.nb-mobile-header { grid-template-columns: 92px minmax(0, 1fr) 92px; }
.nb-checkout-header__inner { grid-template-columns: 44px minmax(0, 1fr) 44px; }
.nb-mobile-menu-trigger { justify-self: start; }
.nb-mobile-actions { justify-self: end; }

.nb-mobile-brand,
.nb-checkout-brand { display: flex; min-width: 0; align-items: center; justify-content: center; line-height: 0; }
.nb-mobile-brand .custom-logo-link,
.nb-mobile-brand .nb-brand-link,
.nb-checkout-brand .custom-logo-link,
.nb-checkout-brand .nb-brand-link { min-height: 36px; align-items: center; justify-content: center; line-height: 0; }
.nb-mobile-brand .custom-logo,
.nb-checkout-brand .custom-logo { width: auto; max-width: 128px; height: auto; max-height: 32px; object-fit: contain; }
.nb-mobile-actions,
.nb-desktop-actions { display: flex; align-items: center; gap: 4px; }

.nb-icon-button,
.nb-bottom-nav button,
.nb-header-search button {
	position: relative;
	display: inline-flex;
	width: 44px;
	min-width: 44px;
	height: 44px;
	align-items: center;
	justify-content: center;
	padding: 0;
	border: 0;
	border-radius: 14px;
	background: transparent;
	color: var(--nb-color-text);
	text-decoration: none;
	cursor: pointer;
}

.nb-icon-button:hover,
.nb-icon-button:focus-visible,
.nb-bottom-nav button:hover,
.nb-bottom-nav button:focus-visible { background: var(--nb-color-surface); }
.nb-icon-button svg,
.nb-bottom-nav svg,
.nb-header-search svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.nb-cart-count {
	position: absolute;
	inset-block-start: 2px;
	inset-inline-end: 1px;
	display: inline-flex;
	min-width: 18px;
	height: 18px;
	align-items: center;
	justify-content: center;
	padding-inline: 4px;
	border: 2px solid var(--nb-color-bg);
	border-radius: 999px;
	background: var(--nb-color-primary-dark);
	color: #fff;
	font-size: 10px;
	font-weight: 800;
	line-height: 1;
}
.nb-cart-count[hidden] { display: none; }
.nb-desktop-header { display: none; }

.nb-sheet-backdrop {
	position: fixed;
	z-index: var(--nb-layer-modal-backdrop);
	inset: 0;
	background: var(--nb-modal-backdrop);
	backdrop-filter: blur(2px);
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transition: opacity var(--nb-motion-fast) ease, visibility 0s linear var(--nb-motion-fast);
}
.nb-sheet-backdrop.is-visible {
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
	transition-delay: 0s;
}

.nb-app-sheet {
	position: fixed;
	z-index: var(--nb-layer-modal-panel);
	inset-inline: 0;
	inset-block-end: 0;
	max-height: min(88dvh, 760px);
	overflow: auto;
	padding: 16px max(16px, var(--nb-safe-right)) calc(24px + var(--nb-safe-bottom)) max(16px, var(--nb-safe-left));
	border-radius: var(--nb-modal-radius) var(--nb-modal-radius) 0 0;
	background: var(--nb-color-bg);
	box-shadow: 0 -18px 60px rgba(45, 38, 35, 0.2);
	transform: translateY(106%);
	transition: transform var(--nb-motion-panel) var(--nb-ease-panel), opacity var(--nb-motion-fast) ease;
}
.nb-app-sheet.is-open { transform: translateY(0); }
.nb-sheet-open { overflow: hidden; overscroll-behavior: none; padding-inline-end: var(--nb-scrollbar-compensation, 0px); }
.nb-sheet-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block-end: 12px; border-block-end: 1px solid var(--nb-color-border); }

.nb-mobile-menu-list,
.nb-mobile-menu-list ul { margin: 0; padding: 0; list-style: none; }
.nb-mobile-menu-list { padding-block: 12px; }
.nb-mobile-menu-list a { display: flex; min-height: 48px; align-items: center; padding: 10px 12px; border-radius: 12px; color: inherit; font-weight: 700; text-decoration: none; }
.nb-mobile-menu-list a:hover,
.nb-mobile-menu-list a:focus-visible { background: var(--nb-color-surface); }
.nb-mobile-menu-list ul { padding-inline-start: 18px; }
.nb-mobile-menu-list ul a { font-size: 0.94rem; font-weight: 500; }

.nb-mobile-search { padding-block: 20px; }
.nb-mobile-search label { display: block; margin-block-end: 8px; font-weight: 700; }
.nb-mobile-search__row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
.nb-mobile-search input { min-width: 0; }

.nb-bottom-nav {
	position: fixed;
	z-index: var(--nb-layer-bottom-nav);
	inset-inline: 0;
	inset-block-end: 0;
	display: grid;
	min-height: calc(var(--nb-bottom-nav-height) + var(--nb-safe-bottom));
	grid-template-columns: repeat(5, 1fr);
	padding: 6px max(6px, var(--nb-safe-right)) var(--nb-safe-bottom) max(6px, var(--nb-safe-left));
	border-block-start: 1px solid var(--nb-color-border);
	background: color-mix(in srgb, var(--nb-color-bg) 94%, transparent);
	box-shadow: 0 -8px 26px rgba(56, 45, 41, 0.08);
	backdrop-filter: blur(16px);
}
.nb-bottom-nav a,
.nb-bottom-nav button {
	position: relative;
	display: flex;
	width: auto;
	min-width: 44px;
	height: auto;
	min-height: 54px;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 3px;
	padding: 4px 2px;
	border-radius: 12px;
	background: transparent;
	color: var(--nb-color-muted);
	font: inherit;
	font-size: 0.69rem;
	font-weight: 700;
	text-decoration: none;
}
.nb-bottom-nav [aria-current="page"] { background: color-mix(in srgb, var(--nb-color-primary) 24%, transparent); color: var(--nb-color-text); }
.nb-bottom-nav .nb-cart-count { inset-block-start: 1px; inset-inline-end: calc(50% - 20px); }
.nb-app-shell { padding-block-end: calc(var(--nb-bottom-nav-height) + var(--nb-safe-bottom)); }
.nb-checkout-shell { padding-block-end: calc(var(--nb-bottom-nav-height) + var(--nb-safe-bottom)); }
.nb-checkout-secure { display: inline-flex; justify-content: flex-end; font-size: 18px; }
.nb-checkout-footer { padding: 18px 0 calc(18px + var(--nb-safe-bottom)); text-align: center; font-size: 0.84rem; color: var(--nb-color-muted); }

@media (min-width: 900px) {
	.nb-app-shell { padding-block-end: 0; }
	.nb-mobile-header,
	.nb-bottom-nav { display: none; }
	.nb-desktop-header { display: grid; min-height: 84px; grid-template-columns: auto minmax(260px, 1fr) minmax(240px, 420px) auto; align-items: center; gap: clamp(16px, 2vw, 32px); }
	.nb-desktop-header .custom-logo { width: auto; max-width: 160px; max-height: 48px; }
	.nb-primary-nav { min-width: 0; }
	.nb-menu { display: flex; flex-wrap: nowrap; align-items: center; gap: clamp(14px, 1.45vw, 24px); margin: 0; padding: 0; list-style: none; }
	.nb-menu a { color: inherit; font-weight: 700; text-decoration: none; }
	.nb-primary-nav .nb-menu > li > a { display: inline-flex; min-height: 44px; align-items: center; font-size: 15px; line-height: 1.5; white-space: nowrap; }
	.nb-menu .sub-menu { position: absolute; z-index: 20; min-width: 220px; margin: 12px 0 0; padding: 10px; border: 1px solid var(--nb-color-border); border-radius: 14px; background: var(--nb-color-bg); box-shadow: var(--nb-shadow-2); list-style: none; opacity: 0; visibility: hidden; transform: translateY(6px); transition: 160ms ease; }
	.nb-menu li { position: relative; }
	.nb-menu li:hover > .sub-menu,
	.nb-menu li:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
	.nb-menu .sub-menu a { display: block; padding: 9px 10px; border-radius: 9px; font-size: 14px; line-height: 1.65; font-weight: 600; white-space: nowrap; }
	.nb-menu .sub-menu a:hover { background: var(--nb-color-surface); }
	.nb-header-search { display: grid; grid-template-columns: minmax(0,1fr) 44px; align-items: center; border: 1px solid var(--nb-color-border); border-radius: 16px; background: #fff; }
	.nb-header-search input { min-height: 46px; border: 0; background: transparent; box-shadow: none; }
	.nb-header-search button { border-radius: 12px; }
	/* Physical direction is deliberate: categories always enter from the right. */
	.nb-app-sheet--menu { inset-block: 0; inset-inline: auto; right: 0; left: auto; width: min(390px, 90vw); max-height: none; border-radius: var(--nb-modal-radius) 0 0 var(--nb-modal-radius); transform: translateX(106%); }
	.nb-app-sheet--menu.is-open { transform: translateX(0); }
	.nb-app-sheet--search { inset-block-start: 96px; inset-block-end: auto; width: min(720px, calc(100vw - 32px)); max-height: 70vh; margin-inline: auto; border-radius: 24px; transform: translateY(-24px); opacity: 0; }
	.nb-app-sheet--search.is-open { transform: translateY(0); opacity: 1; }
}

@media (min-width: 1280px) {
	.nb-desktop-header { grid-template-columns: auto minmax(420px, 1fr) minmax(300px, 480px) auto; }
}

@media (prefers-reduced-motion: reduce) { .nb-app-sheet, .nb-sheet-backdrop { transition: none; } }

@media (min-width: 900px) {
	.nb-desktop-header .nb-primary-nav { display: block; }
}


/* Deterministic modal layer stack, backed by shared design tokens. */
body.nb-cart-open .nb-sheet-backdrop { z-index: var(--nb-layer-modal-backdrop); }
body.nb-cart-open #nb-cart-panel { z-index: var(--nb-layer-modal-panel); }
body.nb-search-open .nb-sheet-backdrop { z-index: var(--nb-layer-search-backdrop); }
body.nb-search-open #nb-search-sheet { z-index: var(--nb-layer-search-panel); }
body.nb-search-open #nb-search-sheet .nb-live-results { z-index: var(--nb-layer-search-results); }

body.nb-live-search-active .nb-site-header { z-index: calc(var(--nb-layer-search-backdrop) - 10); }

/* 2.9.3 — compact mobile app bars with a logo-only home header. */
@media (max-width:899px){
	.nb-front-app-shell .nb-announcement{display:none!important;}
	.nb-site-header{
		border-block-end:1px solid color-mix(in srgb,var(--nb-color-text) 7%,transparent);
		background:color-mix(in srgb,#fff 84%,var(--nb-color-bg));
		box-shadow:0 7px 22px rgba(58,43,38,.04);
	}
	.nb-mobile-header{
		min-height:56px;
		padding-block:2px;
	}
	.nb-mobile-header>.nb-mobile-brand{
		align-self:center;
	}
	.nb-mobile-header .custom-logo-link,
	.nb-mobile-header .nb-brand-link{
		margin:0;
		padding:0;
	}
	.nb-mobile-header .custom-logo{
		display:block;
		max-width:124px;
		max-height:32px;
	}
	.nb-site-header--home-app{
		background:color-mix(in srgb,#fff 88%,var(--nb-color-bg));
	}
	.nb-mobile-header--home{
		display:grid;
		min-height:60px;
		grid-template-columns:1fr;
		place-items:center;
		padding-block:3px;
	}
	.nb-mobile-brand--home{
		width:100%;
		justify-content:center;
	}
	.nb-mobile-brand--home .custom-logo-link,
	.nb-mobile-brand--home .nb-brand-link{
		min-height:42px;
		justify-content:center;
	}
	.nb-mobile-brand--home .custom-logo{
		max-width:148px;
		max-height:42px;
	}
	.nb-mobile-brand--home .nb-brand-link{
		gap:8px;
		font-size:1rem;
		font-weight:850;
	}
	.nb-mobile-brand--home .nb-brand-mark{
		width:38px;
		height:38px;
		font-size:1rem;
	}
	.nb-site-header.is-compact .nb-mobile-header{
		min-height:52px;
		padding-block:1px;
	}
	.nb-site-header--home-app.is-compact .nb-mobile-header--home{
		min-height:54px;
		padding-block:2px;
	}
	.nb-site-header--home-app.is-compact .nb-mobile-brand--home .custom-logo{
		max-height:36px;
	}
}
@media (min-width:900px){
	.nb-front-app-shell .nb-announcement{display:block;}
}