/**
 * PasionGift App — Shell Layout
 *
 * Mobile-first structural layout for the App Shell.
 * No branding, no components — layout only.
 *
 * @package PasionGift_App
 */

/* ── Document baseline ───────────────────────────────── */
html {
	height: 100%;
	overflow-x: clip;
}

body {
	margin: 0;
	height: 100%;
	font-family: var(--pg-font-family);
	color: var(--pg-color-text);
	-webkit-font-smoothing: antialiased;
	overflow-x: clip;
}

/* ── App Shell root ──────────────────────────────────── */
.pasiongift-app {
	display: grid;
	grid-template-areas:
		"header"
		"main"
		"bottom-nav";
	--pg-bottom-nav-track: var(--pg-bottom-nav-height);
	grid-template-rows: var(--pg-header-height) 1fr var(--pg-bottom-nav-track);
	width: 100%;
	max-width: var(--pg-max-width);
	min-width: 0;
	height: 100dvh;
	max-height: 100dvh;
	min-height: 100dvh;
	margin-inline: auto;
	position: relative;
	isolation: isolate;
	overflow-x: clip;
	overflow-y: hidden;
	transition: grid-template-rows var(--pg-transition-overlay) var(--pg-transition-ease);
}

.pasiongift-app.is-bottom-nav-collapsed {
	--pg-bottom-nav-track: 0px;
}

/* When nav track collapses, keep iOS home-indicator inset on main. */
.pasiongift-app.is-bottom-nav-collapsed .pasiongift-app__main {
	padding-bottom: var(--pg-safe-bottom);
}

/* ── Header ──────────────────────────────────────────── */
.pasiongift-app__header {
	grid-area: header;
	position: sticky;
	top: 0;
	z-index: var(--pg-z-header);
	height: var(--pg-header-height);
	padding-top: var(--pg-safe-top);
	box-sizing: border-box;
	background-color: var(--pg-header-bg, var(--pg-color-surface));
	border-bottom: var(--pg-header-border);
}

.pasiongift-app__header-container {
	display: flex;
	align-items: center;
	height: 100%;
	width: 100%;
	min-width: 0;
	padding-inline: calc(var(--pg-shell-padding-x) + var(--pg-safe-left))
		calc(var(--pg-shell-padding-x) + var(--pg-safe-right));
	box-sizing: border-box;
}

/* ── Main View ───────────────────────────────────────── */
.pasiongift-app__main {
	grid-area: main;
	z-index: var(--pg-z-main);
	min-height: 0;
	overflow-x: clip;
	overflow-y: auto;
	-webkit-overflow-scrolling: touch;
}

.pasiongift-app__main-container {
	min-width: 0;
	max-width: 100%;
	padding: var(--pg-main-padding-y) var(--pg-shell-padding-x);
	padding-inline: calc(var(--pg-shell-padding-x) + var(--pg-safe-left))
		calc(var(--pg-shell-padding-x) + var(--pg-safe-right));
	box-sizing: border-box;
}

/* ── Overlay Layer ───────────────────────────────────── */
.pasiongift-app__overlay {
	position: fixed;
	inset: 0;
	z-index: var(--pg-z-overlay);
	pointer-events: none;
}

/* ── Bottom Navigation ───────────────────────────────── */
.pasiongift-app__bottom-nav {
	grid-area: bottom-nav;
	position: sticky;
	bottom: 0;
	z-index: var(--pg-z-bottom-nav);
	height: var(--pg-bottom-nav-height);
	min-height: var(--pg-bottom-nav-height);
	padding-bottom: var(--pg-safe-bottom);
	box-sizing: border-box;
	overflow: hidden;
	transform: translateY(0);
	opacity: 1;
	transition:
		transform var(--pg-transition-overlay) var(--pg-transition-ease),
		opacity var(--pg-transition-overlay) var(--pg-transition-ease),
		height var(--pg-transition-overlay) var(--pg-transition-ease),
		min-height var(--pg-transition-overlay) var(--pg-transition-ease),
		padding-bottom var(--pg-transition-overlay) var(--pg-transition-ease);
}

.pasiongift-app__bottom-nav.is-auto-hidden {
	transform: translateY(100%);
	opacity: 0;
	pointer-events: none;
}

.pasiongift-app.is-bottom-nav-collapsed .pasiongift-app__bottom-nav {
	height: 0;
	min-height: 0;
	padding-bottom: 0;
}

@media (prefers-reduced-motion: reduce) {
	.pasiongift-app {
		transition: none;
	}

	.pasiongift-app__bottom-nav {
		transition: none;
	}
}

.pasiongift-app__bottom-nav-container {
	display: flex;
	align-items: center;
	width: 100%;
	min-width: 0;
	height: 100%;
	padding-inline: calc(var(--pg-shell-padding-x) + var(--pg-safe-left))
		calc(var(--pg-shell-padding-x) + var(--pg-safe-right));
	box-sizing: border-box;
}

/* ── Mobile: full viewport width chain ───────────────── */
@media (max-width: 767px) {
	.pasiongift-app {
		width: 100%;
		max-width: 100%;
	}

	.pasiongift-app__header,
	.pasiongift-app__main,
	.pasiongift-app__bottom-nav {
		width: 100%;
		max-width: 100%;
		min-width: 0;
	}

	.pasiongift-app__header-container,
	.pasiongift-app__main-container,
	.pasiongift-app__bottom-nav-container {
		width: 100%;
		max-width: 100%;
	}
}