/**
 * Puzzle Arcade shared styles: the icon grid, the full-screen game window and
 * the controls both games rely on.
 *
 * The palette, the shapes and the layout are original to this plugin. Nothing
 * here imitates the look of any existing game.
 */

.pzar-root,
.pzar-modal {
	--pzar-bg: #f5f3ef;
	--pzar-surface: #fffdfa;
	--pzar-surface-2: #eae6de;
	--pzar-surface-3: #ded8cd;
	--pzar-text: #232019;
	--pzar-muted: #6d675e;
	--pzar-line: #d5cec2;
	--pzar-accent: #2f6f6b;
	--pzar-accent-contrast: #ffffff;
	--pzar-accent-soft: #d7e8e6;
	--pzar-danger: #9d3f2c;
	--pzar-danger-soft: #f0d9d2;
	--pzar-warn: #9a6c14;
	--pzar-radius: 10px;
	--pzar-gap: 0.75rem;

	color: var(--pzar-text);
	font-family: inherit;
}

@media ( prefers-color-scheme: dark ) {

	.pzar-root,
	.pzar-modal {
		--pzar-bg: #16171a;
		--pzar-surface: #202226;
		--pzar-surface-2: #2a2d33;
		--pzar-surface-3: #363a41;
		--pzar-text: #ecebe7;
		--pzar-muted: #9c9992;
		--pzar-line: #3b3f46;
		--pzar-accent: #74b6ae;
		--pzar-accent-contrast: #10201f;
		--pzar-accent-soft: #23393a;
		--pzar-danger: #d98872;
		--pzar-danger-soft: #3d2620;
		--pzar-warn: #d8ab54;
	}
}

/* -------------------------------------------------------------------------
 * Shared primitives
 * ---------------------------------------------------------------------- */

.pzar-root button,
.pzar-modal button,
.pzar-modal select,
.pzar-modal input {
	appearance: none;
	-webkit-appearance: none;
	box-sizing: border-box;
	font: inherit;
	color: inherit;
	margin: 0;
}

.pzar-root button,
.pzar-modal button {
	background: none;
	border: 0;
	padding: 0;
	cursor: pointer;
	text-align: inherit;
}

.pzar-root :focus-visible,
.pzar-modal :focus-visible {
	outline: 2px solid var(--pzar-accent);
	outline-offset: 2px;
}

.pzar-visually-hidden {
	position: absolute !important;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip: rect( 0 0 0 0 );
	white-space: nowrap;
	border: 0;
}

.pzar-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 2.75rem;
	padding: 0 1.1rem;
	border-radius: var(--pzar-radius);
	background: var(--pzar-accent);
	color: var(--pzar-accent-contrast);
	font-weight: 600;
	line-height: 1.2;
}

.pzar-button--ghost {
	background: var(--pzar-surface-2);
	color: var(--pzar-text);
}

.pzar-icon-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2.5rem;
	height: 2.5rem;
	flex: 0 0 auto;
	border-radius: 50%;
	background: var(--pzar-surface-2);
	font-size: 1.4rem;
	line-height: 1;
}

.pzar-toggle-group {
	display: inline-flex;
	gap: 2px;
	padding: 2px;
	border-radius: var(--pzar-radius);
	background: var(--pzar-surface-2);
}

.pzar-toggle {
	min-height: 2.25rem;
	padding: 0 0.85rem;
	border-radius: calc( var(--pzar-radius) - 3px );
	font-size: 0.85rem;
	font-weight: 600;
	color: var(--pzar-muted);
}

.pzar-toggle[aria-pressed="true"] {
	background: var(--pzar-accent);
	color: var(--pzar-accent-contrast);
}

.pzar-select {
	min-height: 2.25rem;
	padding: 0 2rem 0 0.7rem;
	border: 1px solid var(--pzar-line);
	border-radius: var(--pzar-radius);
	background-color: var(--pzar-surface);
	background-image: linear-gradient( 45deg, transparent 50%, currentColor 50% ), linear-gradient( 135deg, currentColor 50%, transparent 50% );
	background-position: right 0.9rem center, right 0.55rem center;
	background-size: 0.35rem 0.35rem;
	background-repeat: no-repeat;
	font-size: 0.9rem;
}

.pzar-input {
	width: 100%;
	min-height: 2.75rem;
	padding: 0 0.8rem;
	border: 1px solid var(--pzar-line);
	border-radius: var(--pzar-radius);
	background: var(--pzar-surface);
	font-size: 1.1rem;
}

.pzar-chip {
	display: inline-flex;
	align-items: center;
	padding: 0.2rem 0.6rem;
	border-radius: 999px;
	background: var(--pzar-surface-2);
	color: var(--pzar-muted);
	font-size: 0.78rem;
	white-space: nowrap;
}

/* -------------------------------------------------------------------------
 * Icon grid
 * ---------------------------------------------------------------------- */

.pzar-grid-title {
	margin: 0 0 var(--pzar-gap);
	font-size: 1.1rem;
}

.pzar-grid {
	display: grid;
	gap: var(--pzar-gap);
	grid-template-columns: repeat( auto-fill, minmax( 8.5rem, 1fr ) );
}

@media ( min-width: 48em ) {

	.pzar-grid {
		grid-template-columns: repeat( auto-fill, minmax( 11rem, 1fr ) );
	}
}

/* Four columns is as wide as the icons stay readable. */
@media ( min-width: 64em ) {

	.pzar-grid {
		grid-template-columns: repeat( 4, 1fr );
	}
}

/* An explicit column count always wins over the automatic layout. */
.pzar-grid.pzar-grid--cols-1 { grid-template-columns: 1fr; }
.pzar-grid.pzar-grid--cols-2 { grid-template-columns: repeat( 2, 1fr ); }
.pzar-grid.pzar-grid--cols-3 { grid-template-columns: repeat( 3, 1fr ); }
.pzar-grid.pzar-grid--cols-4 { grid-template-columns: repeat( 4, 1fr ); }
.pzar-grid.pzar-grid--cols-5 { grid-template-columns: repeat( 5, 1fr ); }
.pzar-grid.pzar-grid--cols-6 { grid-template-columns: repeat( 6, 1fr ); }

.pzar-card {
	display: flex;
	flex-direction: column;
	gap: 0.4rem;
	padding: 1rem;
	border: 1px solid var(--pzar-line);
	border-radius: var(--pzar-radius);
	background: var(--pzar-surface);
	transition: transform 0.15s ease, border-color 0.15s ease;
}

.pzar-card:hover,
.pzar-card:focus-visible {
	border-color: var(--pzar-accent);
	transform: translateY( -2px );
}

.pzar-card__icon {
	display: block;
	width: 2.25rem;
	height: 2.25rem;
	color: var(--pzar-accent);
}

.pzar-card__icon svg {
	display: block;
	width: 100%;
	height: 100%;
}

.pzar-card__body {
	display: block;
}

.pzar-card__name {
	display: block;
	font-size: 1rem;
	font-weight: 700;
	line-height: 1.3;
}

.pzar-card__tagline {
	display: block;
	margin-top: 0.15rem;
	color: var(--pzar-muted);
	font-size: 0.78rem;
	line-height: 1.4;
}

.pzar-card__meta {
	display: flex;
	flex-wrap: wrap;
	gap: 0.3rem;
	margin-top: auto;
	padding-top: 0.35rem;
}

.pzar-badge {
	display: inline-flex;
	align-items: center;
	padding: 0.15rem 0.5rem;
	border-radius: 999px;
	font-size: 0.7rem;
	font-weight: 600;
	white-space: nowrap;
}

.pzar-badge--best {
	background: var(--pzar-accent-soft);
	color: var(--pzar-accent);
}

.pzar-badge--resume,
.pzar-badge--streak {
	background: var(--pzar-surface-2);
	color: var(--pzar-muted);
}

/* -------------------------------------------------------------------------
 * Full-screen game window
 * ---------------------------------------------------------------------- */

body.pzar-locked {
	position: fixed;
	left: 0;
	right: 0;
	width: 100%;
	overflow: hidden;
}

.pzar-modal {
	position: fixed;
	inset: 0;
	z-index: 100000;
	background: var(--pzar-bg);
	overscroll-behavior: contain;
}

.pzar-modal[hidden] {
	display: none;
}

.pzar-modal__panel {
	display: flex;
	flex-direction: column;
	box-sizing: border-box;
	width: 100%;
	height: 100vh;
	height: 100dvh;
	padding:
		env( safe-area-inset-top ) env( safe-area-inset-right )
		env( safe-area-inset-bottom ) env( safe-area-inset-left );
	outline: none;
}

.pzar-modal__header {
	display: flex;
	align-items: center;
	gap: 0.6rem;
	padding: 0.5rem 0.75rem;
}

.pzar-modal__title {
	flex: 1 1 auto;
	margin: 0;
	overflow: hidden;
	font-size: 1rem;
	font-weight: 700;
	line-height: 1.3;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.pzar-modal__timer {
	flex: 0 0 auto;
	font-size: 1.05rem;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
}

.pzar-modal__subheader {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.4rem;
	padding: 0 0.75rem 0.5rem;
}

.pzar-modal__subheader [hidden] {
	display: none;
}

.pzar-modal__toolbar:empty,
.pzar-modal__pad:empty {
	display: none;
}

.pzar-modal__toolbar {
	padding: 0 0.75rem 0.5rem;
}

.pzar-modal__stage {
	position: relative;
	flex: 1 1 auto;
	min-height: 0;
	padding: 0.25rem 0.5rem;
	overflow: auto;
	overscroll-behavior: contain;
}

/*
 * A full width flex line. The boards centre themselves with `margin: auto`
 * rather than `justify-content`, so a board wider than the screen scrolls
 * instead of having its left edge clipped.
 */
.pzar-modal__board {
	display: flex;
	box-sizing: border-box;
	width: 100%;
	min-height: 100%;
}

.pzar-modal__pad {
	padding: 0.5rem 0.75rem 0.75rem;
}

/* -------------------------------------------------------------------------
 * Overlay
 * ---------------------------------------------------------------------- */

.pzar-overlay {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 1rem;

	/* The opaque colour is the fallback where color-mix() is unsupported. */
	background: var(--pzar-bg);
	background: color-mix( in srgb, var(--pzar-bg) 88%, transparent );
}

.pzar-overlay[hidden] {
	display: none;
}

.pzar-overlay--pause {
	background: var(--pzar-bg);
	background: color-mix( in srgb, var(--pzar-bg) 70%, transparent );
	-webkit-backdrop-filter: blur( 10px );
	backdrop-filter: blur( 10px );
}

.pzar-overlay__box {
	display: flex;
	flex-direction: column;
	align-items: stretch;
	gap: 0.6rem;
	width: min( 100%, 20rem );
	padding: 1.25rem;
	border: 1px solid var(--pzar-line);
	border-radius: var(--pzar-radius);
	background: var(--pzar-surface);
	text-align: center;
}

.pzar-overlay__title {
	margin: 0;
	font-size: 1.2rem;
	font-weight: 700;
}

.pzar-overlay__text {
	margin: 0;
	color: var(--pzar-muted);
	font-size: 0.9rem;
	line-height: 1.5;
}

.pzar-overlay--win .pzar-overlay__title {
	color: var(--pzar-accent);
}

.pzar-overlay--lose .pzar-overlay__title {
	color: var(--pzar-danger);
}

/* -------------------------------------------------------------------------
 * Panels
 * ---------------------------------------------------------------------- */

.pzar-panel {
	position: absolute;
	inset: 0;
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
	box-sizing: border-box;
	padding: 1rem;
	padding-bottom: calc( 1rem + env( safe-area-inset-bottom ) );
	background: var(--pzar-bg);
	overflow-y: auto;
	overscroll-behavior: contain;
}

.pzar-panel[hidden] {
	display: none;
}

.pzar-panel__title {
	margin: 0 0 0.25rem;
	font-size: 1.1rem;
}

.pzar-panel__text {
	margin: 0;
	color: var(--pzar-muted);
	font-size: 0.9rem;
	line-height: 1.6;
}

.pzar-panel__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
}

.pzar-menu-item {
	display: block;
	width: 100%;
	min-height: 3rem;
	padding: 0 1rem;
	border: 1px solid var(--pzar-line);
	border-radius: var(--pzar-radius);
	background: var(--pzar-surface);
	font-weight: 600;
	line-height: 3rem;
}

.pzar-stats__block {
	padding: 0.75rem;
	border: 1px solid var(--pzar-line);
	border-radius: var(--pzar-radius);
	background: var(--pzar-surface);
}

.pzar-stats__heading {
	margin: 0 0 0.5rem;
	font-size: 0.95rem;
}

.pzar-stats__grid {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: 0.2rem 0.75rem;
	margin: 0;
	font-size: 0.85rem;
}

.pzar-stats__grid dt {
	color: var(--pzar-muted);
}

.pzar-stats__grid dd {
	margin: 0;
	font-variant-numeric: tabular-nums;
	font-weight: 600;
}

.pzar-stats__recent {
	margin: 0.5rem 0 0;
	color: var(--pzar-muted);
	font-size: 0.78rem;
	line-height: 1.6;
	word-break: break-word;
}

@media ( prefers-reduced-motion: reduce ) {

	.pzar-card,
	.pzar-card:hover,
	.pzar-card:focus-visible {
		transform: none;
		transition: none;
	}
}