/**
 * Smoke & Pepper Allergens — frontend styles
 * All selectors prefixed with .spa- to avoid theme conflicts.
 */

.spa-wrap {
	--spa-bg: #1a1410;
	--spa-bg-elevated: #241b15;
	--spa-bg-card: #2d231b;
	--spa-ink: #f5ede1;
	--spa-ink-dim: #b8a896;
	--spa-ink-faint: #7a6b5c;
	--spa-ember: #ff6b35;
	--spa-ember-dim: #c44d20;
	--spa-amber: #f5a623;
	--spa-char: #0d0907;
	--spa-line: #3d2f23;
	--spa-safe: #6b8e4e;

	font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
	background: var(--spa-bg);
	color: var(--spa-ink);
	padding: 2.5rem 1.5rem;
	margin-top: 0 !important;
	line-height: 1.5;
	background-image:
		radial-gradient(ellipse at top, rgba(255, 107, 53, 0.08) 0%, transparent 50%),
		radial-gradient(ellipse at bottom right, rgba(245, 166, 35, 0.05) 0%, transparent 60%);
}

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

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

/* Disclaimer */
.spa-disclaimer {
	background: linear-gradient(135deg, rgba(196, 77, 32, 0.15), rgba(245, 166, 35, 0.08));
	border-left: 3px solid var(--spa-ember);
	padding: 1rem 1.25rem;
	border-radius: 0 4px 4px 0;
	font-size: 0.875rem;
	color: var(--spa-ink-dim);
	margin-bottom: 2rem;
}

.spa-disclaimer strong {
	color: var(--spa-ink);
	display: block;
	margin-bottom: 0.25rem;
	font-weight: 600;
}

/* Controls */
.spa-controls {
	margin-bottom: 2rem;
}

.spa-search-wrap {
	position: relative;
	margin-bottom: 1.5rem;
}

.spa-search-input {
	width: 100%;
	padding: 1rem 1rem 1rem 3rem;
	background: var(--spa-bg-elevated);
	border: 1px solid var(--spa-line);
	border-radius: 8px;
	color: var(--spa-ink);
	font-family: inherit;
	font-size: 1rem;
	line-height: 1.5;
	transition: border-color 0.2s ease, background 0.2s ease;
}

.spa-search-input:focus {
	outline: 2px solid var(--spa-ember);
	outline-offset: 2px;
	border-color: var(--spa-ember);
	background: var(--spa-bg-card);
}

.spa-search-input::placeholder {
	color: var(--spa-ink-faint);
	opacity: 1;
}

/*
 * Search icon as CSS background — more theme-resilient than inline SVG, which
 * can be hit by theme rules like `svg { width: 100% }` or `svg { display: block }`.
 * Colour is baked in (#7a6b5c = --spa-ink-faint) since CSS vars don't resolve
 * inside data: URLs without extra plumbing.
 */
.spa-search-icon {
	position: absolute;
	left: 1rem;
	top: 50%;
	width: 18px;
	height: 18px;
	transform: translateY(-50%);
	pointer-events: none;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%237a6b5c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: center;
	background-size: 18px 18px;
}

/* Mode radio group */
.spa-mode {
	display: flex;
	flex-wrap: wrap;
	gap: 0.625rem;
	margin: 0 0 1.5rem;
	padding: 0;
	border: 0;
}

.spa-mode-option {
	flex: 1 1 200px;
	display: flex;
	align-items: flex-start;
	gap: 0.625rem;
	padding: 0.875rem 1rem;
	background: var(--spa-bg-elevated);
	border: 1px solid var(--spa-line);
	border-radius: 8px;
	cursor: pointer;
	transition: border-color 0.15s ease, background 0.15s ease;
	font-family: inherit;
}

.spa-mode-option:hover {
	border-color: var(--spa-ember-dim);
}

.spa-mode-option input[type="radio"] {
	margin: 0;
	margin-top: 0.125rem;
	accent-color: var(--spa-ember);
	flex-shrink: 0;
	cursor: pointer;
}

.spa-mode-option:has(input:checked) {
	border-color: var(--spa-ember);
	background: var(--spa-bg-card);
}

.spa-mode-option:has(input:focus-visible) {
	outline: 2px solid var(--spa-ember);
	outline-offset: 2px;
}

.spa-mode-label {
	display: flex;
	flex-direction: column;
	gap: 0.125rem;
}

.spa-mode-title {
	font-size: 0.875rem;
	font-weight: 600;
	color: var(--spa-ink);
	letter-spacing: 0.01em;
}

.spa-mode-desc {
	font-size: 0.75rem;
	color: var(--spa-ink-faint);
}

/* Filter label row */
.spa-filter-label {
	font-size: 0.75rem;
	text-transform: uppercase;
	letter-spacing: 0.15em;
	color: var(--spa-ink-faint);
	margin-bottom: 0.75rem;
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 1rem;
}

.spa-clear-btn {
	background: none;
	border: none;
	color: var(--spa-ember);
	font-size: 0.75rem;
	text-transform: uppercase;
	letter-spacing: 0.1em;
	cursor: pointer;
	font-family: inherit;
	padding: 0.25rem 0.5rem;
	border-radius: 4px;
	transition: color 0.2s, background 0.2s;
	flex-shrink: 0;
}

.spa-clear-btn:hover:not(:disabled) {
	color: var(--spa-amber);
	background: rgba(245, 166, 35, 0.08);
}

.spa-clear-btn:focus-visible {
	outline: 2px solid var(--spa-ember);
	outline-offset: 2px;
}

.spa-clear-btn:disabled {
	color: var(--spa-ink-faint);
	cursor: default;
}

/*
 * Chips — explicit flex layout with !important on key properties.
 * Some themes apply `.wp-block-* > * { width: 100% }` or grid layouts
 * to inner block content; this defensively overrides them.
 */
.spa-chips {
	display: flex !important;
	flex-direction: row !important;
	flex-wrap: wrap !important;
	justify-content: flex-start;
	align-items: center;
	gap: 0.5rem;
	margin: 0 0 1.5rem;
	padding: 0;
	width: 100%;
}

.spa-chip {
	flex: 0 0 auto;
	width: auto !important;
	padding: 0.5rem 0.875rem;
	background: var(--spa-bg-elevated);
	border: 1px solid var(--spa-line);
	border-radius: 999px;
	color: var(--spa-ink-dim);
	font-size: 0.8125rem;
	font-weight: 500;
	line-height: 1.2;
	cursor: pointer;
	transition: all 0.15s ease;
	font-family: inherit;
	user-select: none;
	white-space: nowrap;
}

.spa-chip:hover {
	border-color: var(--spa-ember-dim);
	color: var(--spa-ink);
}

.spa-chip:focus-visible {
	outline: 2px solid var(--spa-ember);
	outline-offset: 2px;
}

.spa-chip[aria-pressed="true"] {
	background: var(--spa-ember);
	border-color: var(--spa-ember);
	color: var(--spa-char);
	font-weight: 600;
}

/* Results count */
.spa-results-count {
	font-family: 'Fraunces', Georgia, serif;
	font-size: 1rem;
	color: var(--spa-ink-faint);
	margin-bottom: 1.5rem;
	font-style: italic;
}

.spa-results-count strong {
	color: var(--spa-ink);
	font-weight: 600;
	font-style: normal;
}

/* Group */
.spa-group {
	margin-bottom: 3rem;
}

.spa-group[hidden] {
	display: none;
}

.spa-group-heading {
	font-family: 'Fraunces', Georgia, serif;
	font-weight: 600;
	font-size: 1.75rem;
	color: var(--spa-ink);
	margin: 0 0 1.25rem;
	padding-bottom: 0.5rem;
	border-bottom: 1px solid var(--spa-line);
	letter-spacing: -0.01em;
}

/* Card grid */
.spa-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
	gap: 1.25rem;
}

.spa-card {
	background: var(--spa-bg-card);
	border: 1px solid var(--spa-line);
	border-radius: 12px;
	padding: 1.5rem;
	position: relative;
	overflow: hidden;
	transition: opacity 0.2s ease, filter 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.spa-card[hidden] {
	display: none;
}

.spa-card::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 2px;
	background: linear-gradient(90deg, var(--spa-ember), var(--spa-amber), transparent);
	opacity: 0.6;
}

.spa-card:hover {
	border-color: var(--spa-ember-dim);
}

.spa-card-name {
	font-family: 'Fraunces', Georgia, serif;
	font-weight: 600;
	font-size: 1.375rem;
	line-height: 1.15;
	color: var(--spa-ink);
	margin: 0 0 0.875rem;
	letter-spacing: -0.01em;
}

.spa-card-tags {
	display: flex;
	gap: 0.375rem;
	margin-bottom: 1rem;
	flex-wrap: wrap;
}

.spa-tag {
	padding: 0.1875rem 0.5rem;
	background: rgba(107, 142, 78, 0.15);
	color: var(--spa-safe);
	border: 1px solid rgba(107, 142, 78, 0.3);
	border-radius: 4px;
	font-size: 0.6875rem;
	font-weight: 600;
	letter-spacing: 0.05em;
	text-transform: uppercase;
}

.spa-allergen-section {
	margin-top: 1rem;
}

.spa-allergen-heading {
	font-size: 0.6875rem;
	text-transform: uppercase;
	letter-spacing: 0.15em;
	color: var(--spa-ink-faint);
	margin-bottom: 0.5rem;
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.spa-allergen-heading::before {
	content: '';
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--spa-ember);
}

.spa-allergen-list {
	display: flex;
	flex-wrap: wrap;
	gap: 0.375rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.spa-allergen-item {
	padding: 0.3125rem 0.625rem;
	border-radius: 4px;
	font-size: 0.75rem;
	font-weight: 500;
	background: rgba(255, 107, 53, 0.12);
	color: var(--spa-ember);
	border: 1px solid rgba(255, 107, 53, 0.25);
}

.spa-none-message {
	font-size: 0.8125rem;
	color: var(--spa-safe);
	font-style: italic;
	margin: 0;
}

/* Empty state */
.spa-empty {
	text-align: center;
	padding: 4rem 1rem;
	color: var(--spa-ink-faint);
}

.spa-empty[hidden] {
	display: none;
}

.spa-empty h3 {
	font-family: 'Fraunces', Georgia, serif;
	font-size: 1.5rem;
	color: var(--spa-ink);
	margin: 0 0 0.5rem;
}

.spa-empty p {
	margin: 0;
}

/* Mobile */
@media (max-width: 600px) {
	.spa-wrap {
		padding: 1.5rem 1rem;
	}
	.spa-grid {
		grid-template-columns: 1fr;
	}
	.spa-chip {
		font-size: 0.75rem;
		padding: 0.4375rem 0.75rem;
	}
	.spa-group-heading {
		font-size: 1.5rem;
	}
	.spa-mode-option {
		flex-basis: 100%;
	}

	/*
	 * Sticky controls on mobile.
	 *
	 * Only the search input + chip row stick to the top — the disclaimer
	 * and mode radios scroll away naturally. The mobile sticky bar is
	 * a slim two-row strip with the chips becoming a horizontally-
	 * scrollable single row (rather than wrapping), keeping the bar tiny.
	 *
	 * Implementation note: the sticky element needs a non-transparent
	 * background, otherwise content scrolling underneath shows through.
	 * We use the same warm dark base as the wrap, with a subtle border
	 * to make the boundary visible when scrolled.
	 */
	.spa-sticky {
		position: sticky;
		top: 0;
		z-index: 20;
		margin: 0 -1rem 1rem; /* counter the wrap's horizontal padding */
		padding: 0.75rem 1rem;
		background: var(--spa-bg);
		border-bottom: 1px solid var(--spa-line);
		box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
	}

	.spa-sticky .spa-search-wrap {
		margin-bottom: 0.625rem;
	}

	.spa-sticky .spa-search-input {
		padding-top: 0.75rem;
		padding-bottom: 0.75rem;
		font-size: 0.9375rem;
	}

	/* Mode label row hidden when sticky — saves vertical space, mode rarely changes mid-browse */
	.spa-sticky .spa-filter-label {
		display: none;
	}

	/* Chips become a horizontally-scrollable single row */
	.spa-sticky .spa-chips {
		flex-wrap: nowrap !important;
		overflow-x: auto;
		overflow-y: hidden;
		margin-bottom: 0;
		padding-bottom: 0.25rem;
		/* Hide scrollbar visually — the horizontal swipe is the affordance */
		scrollbar-width: none;
		-webkit-overflow-scrolling: touch;
		/* Fade the right edge to hint at more content */
		mask-image: linear-gradient(to right, black calc(100% - 24px), transparent);
		-webkit-mask-image: linear-gradient(to right, black calc(100% - 24px), transparent);
	}

	.spa-sticky .spa-chips::-webkit-scrollbar {
		display: none;
	}

	.spa-sticky .spa-chip {
		flex: 0 0 auto;
	}
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
	.spa-card,
	.spa-search-input,
	.spa-chip,
	.spa-clear-btn,
	.spa-mode-option {
		transition: none;
	}
}