/* ==========================================================================
   ZWUtils design tokens
   Direction: a utility that's dormant until you need it, then unmistakably
   there - like a car horn, a warning light, a stamped document. Dark base
   (always-on dashboard feel) + one hot signal color reserved for "this is
   live / act now" moments. Mono type for anything that reads like data:
   areas, categories, phone numbers, timestamps - evokes an ID card / meter
   readout rather than a marketing page.
   ========================================================================== */

:root {
	--zwu-ink: #16181D;
	--zwu-ink-soft: #1E2128;
	--zwu-ink-softer: #262A33;
	--zwu-paper: #F6F4EE;
	--zwu-signal: #FF6B35;
	--zwu-signal-dim: #C9501F;
	--zwu-verified: #2FA37C;
	--zwu-text: #F1EFE8;
	--zwu-text-dim: #9098A8;
	--zwu-line: rgba(255, 255, 255, 0.09);
	--zwu-radius: 14px;
	--zwu-radius-sm: 8px;

	--font-display: 'Space Grotesk', system-ui, sans-serif;
	--font-body: 'Inter', system-ui, sans-serif;
	--font-mono: 'IBM Plex Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
	margin: 0;
	padding: 0;
	background: var(--zwu-ink);
	color: var(--zwu-text);
	font-family: var(--font-body);
	-webkit-font-smoothing: antialiased;
}

body {
	padding-bottom: 32px;
}

a { color: inherit; text-decoration: none; }

.container {
	max-width: 560px;
	margin: 0 auto;
	padding: 0 16px;
}

/* --------------------------------------------------------------------
   Header + signal strip (the signature element - present on every screen)
   -------------------------------------------------------------------- */

.zwu-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 18px 16px 12px;
}

.zwu-wordmark {
	font-family: var(--font-display);
	font-weight: 700;
	font-size: 1.25rem;
	letter-spacing: -0.02em;
}

.zwu-wordmark span { color: var(--zwu-signal); }

.zwu-wordmark-logo {
	height: 32px;
	width: auto;
	display: block;
}

.zwu-area-btn {
	font-family: var(--font-mono);
	font-size: 0.78rem;
	background: var(--zwu-ink-soft);
	border: 1px solid var(--zwu-line);
	color: var(--zwu-text);
	padding: 7px 12px;
	border-radius: 999px;
	cursor: pointer;
}

.zwu-signal-strip {
	display: flex;
	align-items: center;
	gap: 8px;
	margin: 0 16px 18px;
	padding: 10px 14px;
	background: var(--zwu-ink-soft);
	border: 1px solid var(--zwu-line);
	border-radius: 999px;
	font-family: var(--font-mono);
	font-size: 0.78rem;
	color: var(--zwu-text-dim);
}

.zwu-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--zwu-signal);
	flex-shrink: 0;
	animation: zwu-pulse 2.2s ease-in-out infinite;
}

@keyframes zwu-pulse {
	0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.45); }
	50% { opacity: 0.6; box-shadow: 0 0 0 6px rgba(255, 107, 53, 0); }
}

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

/* --------------------------------------------------------------------
   Home: subhead + pillar grid
   -------------------------------------------------------------------- */

.zwu-subhead {
	padding: 0 16px 20px;
	font-size: 0.95rem;
	color: var(--zwu-text-dim);
	line-height: 1.5;
}

.zwu-pillar-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 10px;
	padding: 0 16px 24px;
}

.zwu-pillar-card {
	background: var(--zwu-ink-soft);
	border: 1px solid var(--zwu-line);
	border-radius: var(--zwu-radius);
	padding: 16px 14px;
	display: flex;
	flex-direction: column;
	gap: 10px;
	min-height: 108px;
	transition: border-color 0.15s ease, transform 0.15s ease;
}

.zwu-pillar-card:active {
	transform: scale(0.98);
	border-color: var(--zwu-signal-dim);
}

.zwu-pillar-icon {
	width: 26px;
	height: 26px;
	color: var(--zwu-signal);
}

.zwu-pillar-name {
	font-family: var(--font-display);
	font-weight: 600;
	font-size: 0.98rem;
	line-height: 1.2;
}

.zwu-pillar-sub {
	font-family: var(--font-mono);
	font-size: 0.72rem;
	color: var(--zwu-text-dim);
}

/* --------------------------------------------------------------------
   Category page: sub-category chips + listing cards
   -------------------------------------------------------------------- */

.zwu-page-title {
	font-family: var(--font-display);
	font-weight: 700;
	font-size: 1.35rem;
	padding: 4px 16px 4px;
}

.zwu-breadcrumb {
	font-family: var(--font-mono);
	font-size: 0.75rem;
	color: var(--zwu-text-dim);
	padding: 0 16px 14px;
}

.zwu-chip-row {
	display: flex;
	gap: 8px;
	overflow-x: auto;
	padding: 0 16px 18px;
	scrollbar-width: none;
}
.zwu-chip-row::-webkit-scrollbar { display: none; }

.zwu-chip {
	flex-shrink: 0;
	font-family: var(--font-mono);
	font-size: 0.78rem;
	padding: 7px 13px;
	border-radius: 999px;
	border: 1px solid var(--zwu-line);
	background: var(--zwu-ink-soft);
	color: var(--zwu-text-dim);
	white-space: nowrap;
}

.zwu-chip.active {
	background: var(--zwu-signal);
	border-color: var(--zwu-signal);
	color: var(--zwu-ink);
	font-weight: 600;
}

.zwu-listing-list {
	display: flex;
	flex-direction: column;
	gap: 10px;
	padding: 0 16px;
}

.zwu-listing-card {
	background: var(--zwu-ink-soft);
	border: 1px solid var(--zwu-line);
	border-radius: var(--zwu-radius);
	padding: 14px 16px;
	display: block;
}

.zwu-listing-card.featured {
	border-color: var(--zwu-signal);
	background: linear-gradient(180deg, rgba(255, 107, 53, 0.08), var(--zwu-ink-soft) 40%);
}

.zwu-listing-top {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 8px;
}

.zwu-listing-name {
	font-family: var(--font-display);
	font-weight: 600;
	font-size: 1rem;
}

.zwu-featured-badge {
	font-family: var(--font-mono);
	font-size: 0.65rem;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	background: var(--zwu-signal);
	color: var(--zwu-ink);
	padding: 3px 7px;
	border-radius: 5px;
	flex-shrink: 0;
}

.zwu-listing-meta {
	font-family: var(--font-mono);
	font-size: 0.75rem;
	color: var(--zwu-text-dim);
	margin-top: 4px;
}

.zwu-listing-desc {
	font-size: 0.85rem;
	color: var(--zwu-text-dim);
	margin-top: 8px;
	line-height: 1.45;
}

.zwu-empty-state {
	padding: 40px 16px;
	text-align: center;
	color: var(--zwu-text-dim);
	font-size: 0.9rem;
}

/* --------------------------------------------------------------------
   Listing detail
   -------------------------------------------------------------------- */

.zwu-detail-card {
	margin: 0 16px;
	padding: 20px 18px;
	background: var(--zwu-ink-soft);
	border: 1px solid var(--zwu-line);
	border-radius: var(--zwu-radius);
}

.zwu-detail-name {
	font-family: var(--font-display);
	font-weight: 700;
	font-size: 1.3rem;
	margin-bottom: 6px;
}

.zwu-detail-tags {
	display: flex;
	gap: 8px;
	flex-wrap: wrap;
	margin-bottom: 16px;
}

.zwu-tag {
	font-family: var(--font-mono);
	font-size: 0.72rem;
	color: var(--zwu-text-dim);
	border: 1px solid var(--zwu-line);
	border-radius: 999px;
	padding: 4px 10px;
}

.zwu-call-btn {
	display: block;
	width: 100%;
	text-align: center;
	background: var(--zwu-signal);
	color: var(--zwu-ink);
	font-family: var(--font-display);
	font-weight: 700;
	font-size: 1rem;
	padding: 14px;
	border-radius: var(--zwu-radius-sm);
	border: none;
	margin-bottom: 14px;
}

.zwu-detail-row {
	display: flex;
	gap: 10px;
	padding: 10px 0;
	border-top: 1px solid var(--zwu-line);
	font-size: 0.88rem;
}

.zwu-detail-row-label {
	font-family: var(--font-mono);
	font-size: 0.72rem;
	color: var(--zwu-text-dim);
	min-width: 74px;
	padding-top: 2px;
}

.zwu-back-link {
	display: inline-block;
	margin: 16px 16px 0;
	font-family: var(--font-mono);
	font-size: 0.8rem;
	color: var(--zwu-text-dim);
}

/* --------------------------------------------------------------------
   Utility / loading states
   -------------------------------------------------------------------- */

.zwu-skeleton {
	background: var(--zwu-ink-soft);
	border-radius: var(--zwu-radius);
	height: 64px;
	animation: zwu-shimmer 1.4s ease-in-out infinite;
}

@keyframes zwu-shimmer {
	0%, 100% { opacity: 0.6; }
	50% { opacity: 1; }
}

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