/*
 * GM RPO Lookup — front-end styles.
 *
 * Visual reference is the Service Parts Identification label itself: cool grey
 * label stock, dense monospace print, codes set in a hairline grid. Everything
 * is scoped under .gmrpo so host themes stay out of it.
 */

.gmrpo {
	--gmrpo-stock: #eceee9;
	--gmrpo-stock-2: #f6f7f4;
	--gmrpo-ink: #1a1d1b;
	--gmrpo-ink-soft: #5a6059;
	--gmrpo-rule: #c3c7be;
	--gmrpo-accent: #178060;
	--gmrpo-brand: #39ce7d;
	--gmrpo-brand-hover: #2eb86a;
	--gmrpo-brand-ink: #0a0a0a;
	--gmrpo-flag: #8a3b18;
	--gmrpo-radius: 2px;

	/* One height for the input and the button so they cannot drift apart,
	   whatever font metrics the host theme imposes on each. */
	--gmrpo-control-h: calc(3.25rem * var(--gmrpo-scale, 1));

	/* Everything inside sizes in em, so this one declaration scales the whole
	   widget. Set --gmrpo-scale to move it without overriding each rule. */
	font-size: calc(1rem * var(--gmrpo-scale, 1));

	--gmrpo-mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", "Roboto Mono", Menlo, Consolas, monospace;
	--gmrpo-sans: "Helvetica Neue", Helvetica, Arial, sans-serif;

	max-width: var(--gmrpo-max-width, 46rem);
	margin: 0 auto;
	color: var(--gmrpo-ink);
	font-family: var(--gmrpo-sans);
	line-height: 1.5;
	text-align: left;
}

.gmrpo *,
.gmrpo *::before,
.gmrpo *::after {
	box-sizing: border-box;
}

/* ---------- Header ---------- */

.gmrpo__heading {
	margin: 0 0 0.35em;
	font-family: var(--gmrpo-sans);
	font-size: 1.35em;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--gmrpo-ink);
}

.gmrpo__intro {
	margin: 0 0 1.5em;
	max-width: 38ch;
	color: var(--gmrpo-ink-soft);
	font-size: 0.95em;
}

/* ---------- Form ---------- */

.gmrpo__label {
	display: block;
	margin-bottom: 0.5em;
	font-family: var(--gmrpo-mono);
	font-size: 0.7em;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--gmrpo-ink-soft);
}

.gmrpo__row {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	align-items: stretch;
}

.gmrpo__input {
	flex: 1 1 18rem;
	min-width: 0;
	height: var(--gmrpo-control-h);
	padding: 0 0.9rem;
	line-height: normal;
	border: 1px solid var(--gmrpo-rule);
	border-radius: var(--gmrpo-radius);
	background: #fff;
	color: var(--gmrpo-ink);
	font-family: var(--gmrpo-mono);
	font-size: 1.05em;
	letter-spacing: 0.16em;
	text-transform: uppercase;
}

.gmrpo__input::placeholder {
	color: #9aa196;
	letter-spacing: 0.08em;
	text-transform: none;
}

.gmrpo__input:focus-visible,
.gmrpo__submit:focus-visible {
	outline: 2px solid var(--gmrpo-accent);
	outline-offset: 2px;
}

.gmrpo__submit {
	flex: 0 0 auto;
	height: var(--gmrpo-control-h);
	min-height: var(--gmrpo-control-h);
	padding: 0 1.6rem;
	border: 1px solid var(--gmrpo-brand);
	border-radius: var(--gmrpo-radius);
	background: var(--gmrpo-brand);
	color: var(--gmrpo-brand-ink);
	font-family: var(--gmrpo-sans);
	font-size: 0.85em;
	font-weight: 700;
	line-height: 1;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	white-space: nowrap;
	cursor: pointer;
	/* Themes love to restyle bare buttons; pin the parts that matter. */
	align-self: stretch;
	box-shadow: none;
	text-shadow: none;
	appearance: none;
}

.gmrpo__submit:hover:not(:disabled),
.gmrpo__submit:focus:not(:disabled) {
	background: var(--gmrpo-brand-hover);
	border-color: var(--gmrpo-brand-hover);
	color: var(--gmrpo-brand-ink);
}

.gmrpo__submit:disabled {
	opacity: 0.55;
	cursor: progress;
}

.gmrpo__counter {
	margin: 0.6em 0 0;
	font-family: var(--gmrpo-mono);
	font-size: 0.95em;
	font-weight: 700;
	letter-spacing: 0.06em;
	color: var(--gmrpo-ink-soft);
}

.gmrpo__counter[data-complete="true"] {
	color: var(--gmrpo-accent);
}

/* Wider, but still inside whatever column the theme provides. */
.gmrpo--wide {
	--gmrpo-max-width: 72rem;
}

/* Full bleed: escape a constraining column without editing the theme.
   The negative margin cancels the parent's centering, so this works at any
   nesting depth as long as no ancestor sets overflow:hidden. */
.gmrpo--full {
	--gmrpo-max-width: none;
	width: 100vw;
	max-width: 100vw;
	margin-left: calc(50% - 50vw);
	margin-right: calc(50% - 50vw);
	padding-left: clamp(1rem, 4vw, 4rem);
	padding-right: clamp(1rem, 4vw, 4rem);
	box-sizing: border-box;
}

/* Block themes already handle alignfull; avoid doubling the breakout. */
.wp-site-blocks .gmrpo--full,
.is-layout-constrained > .gmrpo--full {
	margin-left: auto;
	margin-right: auto;
}

/* With room available, let the code grid actually use it. */
.gmrpo--wide .gmrpo__codes,
.gmrpo--full .gmrpo__codes {
	grid-template-columns: repeat(auto-fill, minmax(3.6em, 1fr));
}

.gmrpo--wide .gmrpo__options,
.gmrpo--full .gmrpo__options {
	grid-template-columns: repeat(auto-fill, minmax(18em, 1fr));
}

/* Visible to screen readers, absent from the page. */
.gmrpo__sr {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0 0 0 0);
	clip-path: inset(50%);
	white-space: nowrap;
	border: 0;
}

/* ---------- Status ---------- */

.gmrpo__status:not(:empty) {
	margin-top: 1.25rem;
	padding: 0.8rem 1rem;
	border-left: 3px solid var(--gmrpo-rule);
	background: var(--gmrpo-stock-2);
	font-size: 0.9em;
}

.gmrpo__status[data-state="error"] {
	border-left-color: var(--gmrpo-flag);
	color: var(--gmrpo-flag);
}

.gmrpo__status[data-state="working"] {
	border-left-color: var(--gmrpo-accent);
	color: var(--gmrpo-ink-soft);
}

/* ---------- The label ---------- */
/* Signature element: a die-cut service label. The notched edge is a repeating
   radial gradient mask, the same shape as the perforation on the real sticker. */

.gmrpo__label-card {
	position: relative;
	margin-top: 1.5rem;
	background: var(--gmrpo-stock);
	border: 1px solid var(--gmrpo-rule);
	border-radius: var(--gmrpo-radius);
	box-shadow: 0 1px 0 rgba(26, 29, 27, 0.06);
}

.gmrpo__label-card::after {
	content: "";
	position: absolute;
	inset-inline: 0;
	bottom: -1px;
	height: 6px;
	background: repeating-radial-gradient(
		circle at 5px 0,
		transparent 0 4px,
		var(--gmrpo-stock) 4px 100%
	);
	background-size: 10px 6px;
	pointer-events: none;
}

.gmrpo__label-head {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem 1.5rem;
	align-items: baseline;
	justify-content: space-between;
	padding: 0.9rem 1.1rem;
	border-bottom: 1px solid var(--gmrpo-rule);
}

.gmrpo__vin {
	margin: 0;
	font-family: var(--gmrpo-mono);
	font-size: 1em;
	font-weight: 700;
	letter-spacing: 0.14em;
	word-break: break-all;
}

.gmrpo__vehicle {
	margin: 0.15em 0 0;
	font-size: 0.8em;
	color: var(--gmrpo-ink-soft);
}

.gmrpo__tally {
	font-family: var(--gmrpo-mono);
	font-size: 0.72em;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--gmrpo-ink-soft);
	white-space: nowrap;
}

/* ---------- Code grid ---------- */

.gmrpo__grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(15em, 1fr));
	gap: 1px;
	padding: 1px;
	background: transparent;
	list-style: none;
	margin: 0;
}

/* Each cell carries its own hairline. Adjacent shadows meet inside the 1px
   gap, so joins stay a single line and the outer edge closes itself. */
.gmrpo__grid > .gmrpo__item {
	box-shadow: 0 0 0 1px var(--gmrpo-rule);
}

.gmrpo__item {
	display: flex;
	gap: 0.7rem;
	align-items: baseline;
	padding: 0.7rem 0.9rem;
	background: var(--gmrpo-stock-2);
	margin: 0;
}

.gmrpo__code {
	flex: 0 0 auto;
	font-family: var(--gmrpo-mono);
	font-size: 0.9em;
	font-weight: 700;
	letter-spacing: 0.06em;
	color: var(--gmrpo-accent);
}

.gmrpo__item[data-known="false"] .gmrpo__code {
	color: var(--gmrpo-ink);
}

.gmrpo__desc {
	flex: 1 1 auto;
	min-width: 0;
	font-size: 0.85em;
	line-height: 1.35;
}

.gmrpo__desc-empty {
	color: var(--gmrpo-ink-soft);
	font-style: italic;
}

.gmrpo__cat {
	display: block;
	margin-top: 0.2em;
	font-family: var(--gmrpo-mono);
	font-size: 0.62em;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--gmrpo-ink-soft);
}

.gmrpo__price {
	flex: 0 0 auto;
	font-family: var(--gmrpo-mono);
	font-size: 0.78em;
	color: var(--gmrpo-ink-soft);
}

/* ---------- Compact code grid ---------- */
/* Dense monospace, hairline separators: the printed SPID label, not a table. */

.gmrpo__chips {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(4.2em, 1fr));
	gap: 1px;
	padding: 1px;
	margin: 0;
	background: var(--gmrpo-rule);
	list-style: none;
}

.gmrpo__chip {
	padding: 0.5rem 0.25rem;
	background: var(--gmrpo-stock-2);
	color: var(--gmrpo-ink);
	font-family: var(--gmrpo-mono);
	font-size: 0.85em;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-align: center;
	margin: 0;
}

.gmrpo__chip[title] {
	color: var(--gmrpo-accent);
	cursor: help;
}

/* ---------- Footer ---------- */

.gmrpo__foot {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem 1.25rem;
	align-items: center;
	padding: 0.85rem 1.1rem 1.1rem;
	border-top: 1px solid var(--gmrpo-rule);
}

.gmrpo__action {
	padding: 0.4rem 0.8rem;
	border: 1px solid var(--gmrpo-rule);
	border-radius: var(--gmrpo-radius);
	background: transparent;
	color: var(--gmrpo-accent);
	font-family: var(--gmrpo-mono);
	font-size: 0.7em;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	text-decoration: none;
	cursor: pointer;
}

.gmrpo__action:hover {
	border-color: var(--gmrpo-accent);
}

.gmrpo__note {
	flex: 1 1 16rem;
	margin: 0;
	font-size: 0.75em;
	line-height: 1.45;
	color: var(--gmrpo-ink-soft);
}

/* ---------- Motion ---------- */

.gmrpo__label-card {
	animation: gmrpo-in 220ms ease-out both;
}

@keyframes gmrpo-in {
	from {
		opacity: 0;
		transform: translateY(4px);
	}
}

@media (prefers-reduced-motion: reduce) {
	.gmrpo__label-card {
		animation: none;
	}
}

/* ---------- Dark themes ---------- */

@media (prefers-color-scheme: dark) {
	.gmrpo {
		--gmrpo-stock: #1d201e;
		--gmrpo-brand: #39ce7d;
		--gmrpo-brand-hover: #4fd98d;
		--gmrpo-brand-ink: #0a0a0a;
		--gmrpo-stock-2: #242825;
		--gmrpo-ink: #e6e9e3;
		--gmrpo-ink-soft: #a0a69c;
		--gmrpo-rule: #3a3f3a;
		--gmrpo-accent: #5fd6a4;
		--gmrpo-flag: #d98a63;
	}

	.gmrpo__input {
		background: #151816;
	}

	.gmrpo__submit {
		color: #10151a;
	}
}

/* ---------- Narrow screens ---------- */

@media (max-width: 30rem) {
	.gmrpo__submit {
		flex: 1 1 100%;
	}

	.gmrpo__grid {
		grid-template-columns: 1fr;
	}
}