/**
 * Frontend UI bundle.
 *
 * Tailwind-inspired compiled component layer, scoped to .nnt-lpcs-shell to avoid
 * loading Tailwind CDN or leaking utilities into the active theme.
 */

.nnt-lpcs-shell {
	--nnt-lpcs-bg: #ffffff;
	--nnt-lpcs-panel: #ffffff;
	--nnt-lpcs-panel-soft: #f8fafc;
	--nnt-lpcs-text: #0f172a;
	--nnt-lpcs-muted: #64748b;
	--nnt-lpcs-border: #e2e8f0;
	--nnt-lpcs-primary: #2563eb;
	--nnt-lpcs-primary-soft: #dbeafe;
	--nnt-lpcs-success: #047857;
	--nnt-lpcs-success-soft: #d1fae5;
	--nnt-lpcs-danger: #b91c1c;
	--nnt-lpcs-danger-soft: #fee2e2;
	--nnt-lpcs-ring: rgba(37, 99, 235, 0.28);
	--nnt-lpcs-shadow: 0 20px 45px rgba(15, 23, 42, 0.08);
	color: var(--nnt-lpcs-text);
	margin: 1.5rem 0;
}

.nnt-lpcs-shell *,
.nnt-lpcs-shell *::before,
.nnt-lpcs-shell *::after {
	box-sizing: border-box;
}

.nnt-lpcs-hero,
.nnt-lpcs-conversion-cta,
.nnt-lpcs-filter-bar,
.nnt-lpcs-card,
.nnt-lpcs-teacher-card,
.nnt-lpcs-empty,
.nnt-lpcs-loading {
	background: var(--nnt-lpcs-panel);
	border: 1px solid var(--nnt-lpcs-border);
	border-radius: 1.25rem;
	box-shadow: var(--nnt-lpcs-shadow);
}

.nnt-lpcs-conversion-cta {
	align-items: center;
	background:
		radial-gradient(circle at top left, rgba(37, 99, 235, 0.16), transparent 34%),
		var(--nnt-lpcs-panel);
	display: grid;
	gap: 1rem;
	margin-bottom: 1rem;
	padding: 1.25rem;
}

.nnt-lpcs-conversion-cta h2 {
	color: var(--nnt-lpcs-text);
	font-size: clamp(1.25rem, 3vw, 1.8rem);
	font-weight: 900;
	letter-spacing: -0.03em;
	line-height: 1.15;
	margin: 0.25rem 0;
}

.nnt-lpcs-conversion-cta p:not(.nnt-lpcs-eyebrow),
.nnt-lpcs-microcopy {
	color: var(--nnt-lpcs-muted);
	margin: 0;
}

.nnt-lpcs-microcopy {
	font-size: 0.82rem;
	margin-top: 0.4rem;
}

.nnt-lpcs-hero {
	display: grid;
	gap: 1rem;
	margin-bottom: 1rem;
	padding: 1.25rem;
}

.nnt-lpcs-hero h2,
.nnt-lpcs-teacher-card h2,
.nnt-lpcs-section-heading h3 {
	color: var(--nnt-lpcs-text);
	font-size: clamp(1.35rem, 3vw, 2rem);
	font-weight: 800;
	letter-spacing: -0.03em;
	line-height: 1.15;
	margin: 0.25rem 0;
}

.nnt-lpcs-hero p,
.nnt-lpcs-teacher-card p,
.nnt-lpcs-empty p {
	color: var(--nnt-lpcs-muted);
	margin: 0;
}

.nnt-lpcs-eyebrow {
	color: var(--nnt-lpcs-primary);
	font-size: 0.75rem;
	font-weight: 800;
	letter-spacing: 0.08em;
	margin: 0;
	text-transform: uppercase;
}

.nnt-lpcs-hero__stat {
	align-items: center;
	background: linear-gradient(135deg, var(--nnt-lpcs-primary), #7c3aed);
	border-radius: 1rem;
	color: #ffffff;
	display: flex;
	gap: 0.5rem;
	justify-content: center;
	min-height: 5rem;
	padding: 1rem;
}

.nnt-lpcs-hero__stat strong {
	font-size: 2rem;
	line-height: 1;
}

.nnt-lpcs-filter-bar {
	display: grid;
	gap: 0.75rem;
	margin-bottom: 1rem;
	padding: 1rem;
}

.nnt-lpcs-field label {
	color: var(--nnt-lpcs-muted);
	display: block;
	font-size: 0.8rem;
	font-weight: 700;
	margin-bottom: 0.35rem;
}

.nnt-lpcs-field select,
.nnt-lpcs-field input,
.nnt-lpcs-class-selector select {
	appearance: none;
	background: var(--nnt-lpcs-bg);
	border: 1px solid var(--nnt-lpcs-border);
	border-radius: 0.9rem;
	color: var(--nnt-lpcs-text);
	min-height: 2.75rem;
	padding: 0.65rem 0.85rem;
	width: 100%;
}

.nnt-lpcs-field select:focus,
.nnt-lpcs-field input:focus,
.nnt-lpcs-class-selector select:focus,
.nnt-lpcs-button:focus-visible {
	box-shadow: 0 0 0 4px var(--nnt-lpcs-ring);
	outline: 2px solid transparent;
	outline-offset: 2px;
}

.nnt-lpcs-schedule-list {
	display: grid;
	gap: 1rem;
	grid-template-columns: 1fr;
	transition: opacity 160ms ease;
}

.nnt-lpcs-schedule-list.is-loading {
	opacity: 0.45;
	pointer-events: none;
}

.nnt-lpcs-card {
	padding: 1rem;
	position: relative;
	transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.nnt-lpcs-class-card.is-open {
	border-color: rgba(4, 120, 87, 0.24);
}

.nnt-lpcs-class-card.is-low-seats,
.nnt-lpcs-class-card.is-starting-soon {
	border-color: rgba(217, 119, 6, 0.45);
}

.nnt-lpcs-class-card.is-full {
	background: linear-gradient(180deg, var(--nnt-lpcs-panel), var(--nnt-lpcs-panel-soft));
	opacity: 0.82;
}

.nnt-lpcs-card:hover {
	border-color: var(--nnt-lpcs-primary);
	transform: translateY(-1px);
}

.nnt-lpcs-card.is-selected {
	border-color: var(--nnt-lpcs-primary);
	box-shadow: 0 0 0 4px var(--nnt-lpcs-ring), var(--nnt-lpcs-shadow);
}

.nnt-lpcs-card__header {
	align-items: flex-start;
	display: flex;
	gap: 0.75rem;
	justify-content: space-between;
}

.nnt-lpcs-card__title {
	color: var(--nnt-lpcs-text);
	font-size: 1.1rem;
	font-weight: 800;
	line-height: 1.25;
	margin: 0.2rem 0 0;
}

.nnt-lpcs-badge {
	border-radius: 999px;
	display: inline-flex;
	font-size: 0.75rem;
	font-weight: 800;
	line-height: 1;
	padding: 0.45rem 0.65rem;
	white-space: nowrap;
}

.nnt-lpcs-badge--success {
	background: var(--nnt-lpcs-success-soft);
	color: var(--nnt-lpcs-success);
}

.nnt-lpcs-badge--danger {
	background: var(--nnt-lpcs-danger-soft);
	color: var(--nnt-lpcs-danger);
}

.nnt-lpcs-status-row {
	display: flex;
	flex-wrap: wrap;
	gap: 0.45rem;
	margin-top: 0.85rem;
}

.nnt-lpcs-status-pill {
	border-radius: 999px;
	font-size: 0.74rem;
	font-weight: 800;
	padding: 0.35rem 0.55rem;
}

.nnt-lpcs-status-pill--open {
	background: var(--nnt-lpcs-success-soft);
	color: var(--nnt-lpcs-success);
}

.nnt-lpcs-status-pill--soon,
.nnt-lpcs-status-pill--low {
	background: #fef3c7;
	color: #92400e;
}

.nnt-lpcs-status-pill--full {
	background: var(--nnt-lpcs-danger-soft);
	color: var(--nnt-lpcs-danger);
}

.nnt-lpcs-selection-summary {
	align-items: flex-start;
	background: var(--nnt-lpcs-panel-soft);
	border: 1px solid var(--nnt-lpcs-border);
	border-radius: 1rem;
	display: grid;
	gap: 0.25rem;
	margin-bottom: 1rem;
	padding: 0.9rem 1rem;
}

.nnt-lpcs-selection-summary span {
	color: var(--nnt-lpcs-muted);
	font-size: 0.8rem;
	font-weight: 700;
}

.nnt-lpcs-selection-summary strong {
	color: var(--nnt-lpcs-text);
	font-size: 0.95rem;
}

.nnt-lpcs-meta-grid {
	display: grid;
	gap: 0.75rem;
	grid-template-columns: 1fr;
	margin: 1rem 0;
}

.nnt-lpcs-meta-grid dt {
	color: var(--nnt-lpcs-muted);
	font-size: 0.75rem;
	font-weight: 700;
	margin: 0 0 0.15rem;
}

.nnt-lpcs-meta-grid dd {
	color: var(--nnt-lpcs-text);
	font-weight: 700;
	margin: 0;
}

.nnt-lpcs-button {
	align-items: center;
	border: 0;
	border-radius: 0.9rem;
	cursor: pointer;
	display: inline-flex;
	font-weight: 800;
	justify-content: center;
	min-height: 2.75rem;
	padding: 0.7rem 1rem;
	text-decoration: none;
	transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
	width: 100%;
}

.nnt-lpcs-button:hover {
	transform: translateY(-1px);
}

.nnt-lpcs-button:disabled {
	cursor: not-allowed;
	opacity: 0.55;
	transform: none;
}

.nnt-lpcs-button--soft {
	background: var(--nnt-lpcs-primary-soft);
	color: var(--nnt-lpcs-primary);
}

.nnt-lpcs-button--primary {
	background: linear-gradient(135deg, var(--nnt-lpcs-primary), #7c3aed);
	color: #ffffff;
}

.nnt-lpcs-button--ghost {
	background: var(--nnt-lpcs-panel-soft);
	border: 1px solid var(--nnt-lpcs-border);
	color: var(--nnt-lpcs-text);
}

.nnt-lpcs-mobile-sticky {
	align-items: center;
	backdrop-filter: blur(12px);
	background: rgba(255, 255, 255, 0.94);
	border: 1px solid var(--nnt-lpcs-border);
	border-radius: 1.1rem 1.1rem 0 0;
	bottom: 0;
	box-shadow: 0 -12px 30px rgba(15, 23, 42, 0.14);
	display: grid;
	gap: 0.75rem;
	grid-template-columns: 1fr auto;
	left: 0;
	padding: 0.75rem;
	position: fixed;
	right: 0;
	transform: translateY(110%);
	transition: transform 180ms ease;
	z-index: 999;
}

.nnt-lpcs-mobile-sticky.is-visible {
	transform: translateY(0);
}

.nnt-lpcs-mobile-sticky span {
	color: var(--nnt-lpcs-muted);
	display: block;
	font-size: 0.72rem;
	font-weight: 700;
}

.nnt-lpcs-mobile-sticky strong {
	color: var(--nnt-lpcs-text);
	display: block;
	font-size: 0.9rem;
	line-height: 1.2;
}

.nnt-lpcs-empty,
.nnt-lpcs-loading {
	padding: 1.25rem;
	text-align: center;
}

.nnt-lpcs-loading {
	align-items: center;
	color: var(--nnt-lpcs-muted);
	display: flex;
	gap: 0.5rem;
	justify-content: center;
	margin-bottom: 1rem;
}

.nnt-lpcs-loading[hidden] {
	display: none;
}

.nnt-lpcs-spinner {
	animation: nnt-lpcs-spin 800ms linear infinite;
	border: 2px solid var(--nnt-lpcs-border);
	border-radius: 999px;
	border-top-color: var(--nnt-lpcs-primary);
	display: inline-block;
	height: 1rem;
	width: 1rem;
}

.nnt-lpcs-teacher-card {
	align-items: center;
	display: flex;
	gap: 1rem;
	margin-bottom: 1rem;
	padding: 1.25rem;
}

.nnt-lpcs-teacher-card__avatar {
	border-radius: 1rem;
	flex: 0 0 auto;
	height: 5rem;
	object-fit: cover;
	width: 5rem;
}

.nnt-lpcs-section-heading {
	align-items: center;
	display: flex;
	justify-content: space-between;
	margin: 1.5rem 0 1rem;
}

.nnt-lpcs-section-heading span {
	color: var(--nnt-lpcs-muted);
	font-weight: 700;
}

@keyframes nnt-lpcs-spin {
	to {
		transform: rotate(360deg);
	}
}

@media (min-width: 640px) {
	.nnt-lpcs-conversion-cta {
		grid-template-columns: 1fr auto;
	}

	.nnt-lpcs-filter-bar {
		align-items: end;
		grid-template-columns: 1.4fr 1fr 1fr auto;
	}

	.nnt-lpcs-button {
		width: auto;
	}

	.nnt-lpcs-meta-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (min-width: 900px) {
	.nnt-lpcs-hero {
		align-items: center;
		grid-template-columns: 1fr minmax(9rem, 12rem);
	}

	.nnt-lpcs-schedule-list {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (min-width: 782px) {
	.nnt-lpcs-mobile-sticky {
		display: none;
	}
}

@media (prefers-color-scheme: dark) {
	.nnt-lpcs-shell {
		--nnt-lpcs-bg: #020617;
		--nnt-lpcs-panel: #0f172a;
		--nnt-lpcs-panel-soft: #111827;
		--nnt-lpcs-text: #e5e7eb;
		--nnt-lpcs-muted: #94a3b8;
		--nnt-lpcs-border: #1f2937;
		--nnt-lpcs-primary: #60a5fa;
		--nnt-lpcs-primary-soft: rgba(37, 99, 235, 0.18);
		--nnt-lpcs-success: #6ee7b7;
		--nnt-lpcs-success-soft: rgba(4, 120, 87, 0.22);
		--nnt-lpcs-danger: #fca5a5;
		--nnt-lpcs-danger-soft: rgba(185, 28, 28, 0.22);
		--nnt-lpcs-shadow: 0 20px 45px rgba(0, 0, 0, 0.28);
	}

	.nnt-lpcs-mobile-sticky {
		background: rgba(15, 23, 42, 0.94);
	}

	.nnt-lpcs-status-pill--soon,
	.nnt-lpcs-status-pill--low {
		background: rgba(217, 119, 6, 0.22);
		color: #fbbf24;
	}
}

@media (prefers-reduced-motion: reduce) {
	.nnt-lpcs-card,
	.nnt-lpcs-button,
	.nnt-lpcs-schedule-list,
	.nnt-lpcs-spinner {
		animation: none;
		transition: none;
	}
}