/**
 * NP Parts Assistant — floating chat widget.
 *
 * Tokens fall back to the Preterna theme presets so the widget inherits the
 * shop's palette, but it still renders correctly on any theme.
 */

.nppa {
	--nppa-bg:      var(--wp--preset--color--background, #141313);
	--nppa-surface: var(--wp--preset--color--surface, #1c1b1b);
	--nppa-raised:  var(--wp--preset--color--surface-low, #201f1f);
	--nppa-high:    var(--wp--preset--color--surface-high, #2b2a2a);
	--nppa-fg:      var(--wp--preset--color--foreground, #e5e2e1);
	--nppa-muted:   var(--wp--preset--color--foreground-muted, #c4c7c7);
	--nppa-line:    var(--wp--preset--color--outline-soft, #444748);
	--nppa-accent:  var(--wp--preset--color--accent, #8c1c2a);
	--nppa-glow:    var(--wp--preset--color--accent-glow, #b22c3e);
	--nppa-mono:    var(--wp--preset--font-family--mono, ui-monospace, "SFMono-Regular", Menlo, monospace);
	--nppa-text:    12px;
	--nppa-label:   9px;
	--nppa-radius:  14px;
	--nppa-ease:    cubic-bezier(0.22, 1, 0.36, 1);

	position: fixed;
	right: clamp(14px, 3vw, 28px);
	bottom: clamp(14px, 3vw, 28px);
	z-index: 80;
	display: flex;
	/* Reversed so the launcher stays pinned at the bottom and the panel grows
	   upwards from it. */
	flex-direction: column-reverse;
	align-items: flex-end;
	gap: 12px;
	font-family: inherit;
}

/* Step aside for the theme's own full-screen layers. */
body.searching .nppa,
body.cart-open .nppa,
body.rail-open .nppa {
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transition: opacity 160ms linear, visibility 160ms linear;
}

/* ---------- Launcher ---------------------------------------------------- */

.nppa-launcher {
	position: relative;
	display: grid;
	place-items: center;
	width: 56px;
	height: 56px;
	padding: 0;
	border: 1px solid color-mix(in srgb, var(--nppa-glow) 55%, transparent);
	border-radius: 50%;
	background:
		radial-gradient(120% 120% at 30% 20%, color-mix(in srgb, var(--nppa-glow) 85%, #000) 0%, var(--nppa-accent) 70%);
	color: #fff;
	cursor: pointer;
	box-shadow:
		0 10px 30px rgba(0, 0, 0, 0.45),
		0 0 0 0 color-mix(in srgb, var(--nppa-glow) 45%, transparent);
	transition:
		transform 260ms var(--nppa-ease),
		box-shadow 260ms var(--nppa-ease),
		border-color 260ms var(--nppa-ease);
	-webkit-tap-highlight-color: transparent;
}
.nppa-launcher:hover,
.nppa-launcher:focus-visible {
	transform: translateY(-2px) scale(1.04);
	border-color: var(--nppa-glow);
	box-shadow:
		0 14px 36px rgba(0, 0, 0, 0.5),
		0 0 26px color-mix(in srgb, var(--nppa-glow) 40%, transparent);
	outline: none;
}
.nppa-launcher:active { transform: translateY(0) scale(0.98); }

/* Attention pulse, once, so it reads as interactive without nagging. */
.nppa-launcher::after {
	content: "";
	position: absolute;
	inset: -4px;
	border-radius: 50%;
	border: 1px solid color-mix(in srgb, var(--nppa-glow) 60%, transparent);
	opacity: 0;
	animation: nppa-ping 2.8s var(--nppa-ease) 1.2s 3;
	pointer-events: none;
}
@keyframes nppa-ping {
	0%   { opacity: 0.7; transform: scale(0.9); }
	70%  { opacity: 0;   transform: scale(1.35); }
	100% { opacity: 0;   transform: scale(1.35); }
}

.nppa-launcher__icon {
	display: grid;
	place-items: center;
	transition: opacity 200ms var(--nppa-ease), transform 260ms var(--nppa-ease);
}
.nppa-launcher__icon--close {
	position: absolute;
	opacity: 0;
	transform: rotate(-45deg) scale(0.7);
}
.nppa.is-open .nppa-launcher__icon--open {
	opacity: 0;
	transform: rotate(45deg) scale(0.7);
}
.nppa.is-open .nppa-launcher__icon--close {
	opacity: 1;
	transform: rotate(0) scale(1);
}
.nppa.is-open .nppa-launcher::after { animation: none; }

/* ---------- Panel ------------------------------------------------------- */

.nppa-panel {
	display: flex;
	flex-direction: column;
	width: min(400px, calc(100vw - 28px));
	height: min(620px, calc(100vh - 140px));
	background: var(--nppa-surface);
	border: 1px solid var(--nppa-line);
	border-radius: var(--nppa-radius);
	box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
	overflow: hidden;
	isolation: isolate;
	transform-origin: bottom right;
	animation: nppa-in 280ms var(--nppa-ease) both;
}
.nppa-panel[hidden] { display: none; }

@keyframes nppa-in {
	from { opacity: 0; transform: translateY(12px) scale(0.96); }
	to   { opacity: 1; transform: translateY(0) scale(1); }
}
.nppa-panel.is-closing { animation: nppa-out 180ms ease-in both; }
@keyframes nppa-out {
	to { opacity: 0; transform: translateY(10px) scale(0.97); }
}

@media (prefers-reduced-motion: reduce) {
	.nppa-panel,
	.nppa-panel.is-closing { animation: none; }
	.nppa-launcher::after { animation: none; }
}

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

.nppa-head {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 13px 12px 13px 16px;
	background: linear-gradient(180deg, color-mix(in srgb, var(--nppa-accent) 22%, var(--nppa-surface)) 0%, var(--nppa-surface) 100%);
	border-bottom: 1px solid var(--nppa-line);
	flex: 0 0 auto;
}
.nppa-head__dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: #35c46a;
	box-shadow: 0 0 8px rgba(53, 196, 106, 0.8);
	flex: 0 0 auto;
}
.nppa-head__text {
	display: flex;
	flex-direction: column;
	gap: 2px;
	min-width: 0;
	flex: 1 1 auto;
}
.nppa-head__title {
	font-family: var(--nppa-mono);
	font-size: 10px;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--nppa-fg);
	font-weight: 600;
	line-height: 1;
}
.nppa-head__sub {
	font-size: 9.5px;
	color: var(--nppa-muted);
	opacity: 0.8;
	line-height: 1.3;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}
.nppa-head__btn {
	display: grid;
	place-items: center;
	width: 30px;
	height: 30px;
	padding: 0;
	background: transparent;
	border: 1px solid transparent;
	border-radius: 7px;
	color: var(--nppa-muted);
	cursor: pointer;
	flex: 0 0 auto;
	transition: color 160ms linear, border-color 160ms linear, background-color 160ms linear;
}
.nppa-head__btn:hover,
.nppa-head__btn:focus-visible {
	color: var(--nppa-fg);
	border-color: var(--nppa-line);
	background: var(--nppa-raised);
	outline: none;
}

/* ---------- Message log ------------------------------------------------- */

.nppa-log {
	flex: 1 1 auto;
	overflow-y: auto;
	overscroll-behavior: contain;
	padding: 16px;
	display: flex;
	flex-direction: column;
	gap: 14px;
	background:
		radial-gradient(120% 60% at 50% 0%, color-mix(in srgb, var(--nppa-accent) 10%, transparent) 0%, transparent 70%),
		var(--nppa-surface);
	scrollbar-width: thin;
	scrollbar-color: var(--nppa-high) transparent;
}
.nppa-log::-webkit-scrollbar { width: 8px; }
.nppa-log::-webkit-scrollbar-thumb {
	background: var(--nppa-high);
	border-radius: 99px;
}

.nppa-msg {
	display: flex;
	flex-direction: column;
	gap: 8px;
	max-width: 100%;
	animation: nppa-msg-in 240ms var(--nppa-ease) both;
}
@keyframes nppa-msg-in {
	from { opacity: 0; transform: translateY(6px); }
	to   { opacity: 1; transform: translateY(0); }
}
.nppa-msg__bubble {
	padding: 9px 11px;
	border-radius: 11px;
	font-size: var(--nppa-text);
	line-height: 1.5;
	word-wrap: break-word;
	overflow-wrap: anywhere;
}

/* The storefront styles paragraphs and lists globally, and a direct rule beats
   anything the bubble passes down by inheritance — so pin the children too. */
.nppa-msg__bubble p,
.nppa-msg__bubble ul,
.nppa-msg__bubble li,
.nppa-msg__bubble strong,
.nppa-msg__bubble em,
.nppa-msg__bubble a {
	font-size: var(--nppa-text);
	line-height: 1.5;
	letter-spacing: normal;
}
.nppa-msg--user { align-items: flex-end; }
.nppa-msg--user .nppa-msg__bubble {
	background: var(--nppa-accent);
	color: #fff;
	border-bottom-right-radius: 4px;
	max-width: 85%;
}
.nppa-msg--bot .nppa-msg__bubble {
	background: var(--nppa-raised);
	border: 1px solid var(--nppa-line);
	color: var(--nppa-fg);
	border-bottom-left-radius: 4px;
}
.nppa-msg--error .nppa-msg__bubble {
	background: color-mix(in srgb, var(--nppa-accent) 18%, var(--nppa-raised));
	border-color: color-mix(in srgb, var(--nppa-glow) 50%, transparent);
	color: var(--nppa-fg);
}
.nppa-msg__bubble p { margin: 0 0 7px; }
.nppa-msg__bubble p:last-child { margin-bottom: 0; }
.nppa-msg__bubble strong { color: #fff; font-weight: 600; }
.nppa-msg__bubble ul {
	margin: 5px 0;
	padding-left: 16px;
	list-style: disc;
}
.nppa-msg__bubble li { margin: 2px 0; }
.nppa-msg__bubble code {
	font-family: var(--nppa-mono);
	font-size: 11px;
	background: var(--nppa-high);
	padding: 1px 5px;
	border-radius: 4px;
}

/* ---------- Product cards ---------------------------------------------- */

.nppa-cards {
	display: flex;
	flex-direction: column;
	gap: 8px;
}
.nppa-card {
	display: flex;
	align-items: center;
	gap: 11px;
	padding: 8px;
	text-decoration: none;
	background: var(--nppa-surface);
	border: 1px solid var(--nppa-line);
	border-radius: 10px;
	transition: border-color 180ms linear, background-color 180ms linear, transform 180ms var(--nppa-ease);
}
.nppa-card:hover,
.nppa-card:focus-visible {
	border-color: var(--nppa-glow);
	background: var(--nppa-raised);
	transform: translateX(2px);
	outline: none;
}
.nppa-card__media {
	position: relative;
	width: 44px;
	height: 44px;
	flex: 0 0 auto;
	border-radius: 7px;
	overflow: hidden;
	background: var(--nppa-high);
}
.nppa-card__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}
.nppa-card__body {
	display: flex;
	flex-direction: column;
	gap: 3px;
	min-width: 0;
	flex: 1 1 auto;
}
.nppa-card__brand {
	font-family: var(--nppa-mono);
	font-size: 8px;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--nppa-muted);
	opacity: 0.75;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}
.nppa-card__name {
	font-size: 11px;
	line-height: 1.3;
	color: var(--nppa-fg);
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}
.nppa-card__meta {
	display: flex;
	align-items: baseline;
	gap: 8px;
}
.nppa-card__price {
	font-size: 11px;
	font-weight: 600;
	color: var(--nppa-glow);
}
.nppa-card__stock {
	font-family: var(--nppa-mono);
	font-size: 8px;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--nppa-muted);
	opacity: 0.7;
}
.nppa-card__go {
	flex: 0 0 auto;
	color: var(--nppa-muted);
	display: grid;
	place-items: center;
	transition: color 180ms linear, transform 180ms var(--nppa-ease);
}
.nppa-card:hover .nppa-card__go {
	color: var(--nppa-glow);
	transform: translateX(2px);
}

/* ---------- Typing indicator ------------------------------------------- */

.nppa-typing {
	display: flex;
	align-items: center;
	gap: 9px;
	padding: 11px 13px;
	background: var(--nppa-raised);
	border: 1px solid var(--nppa-line);
	border-radius: 12px;
	border-bottom-left-radius: 4px;
	align-self: flex-start;
	max-width: 85%;
}
.nppa-typing__dots {
	display: inline-flex;
	gap: 4px;
}
.nppa-typing__dots i {
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--nppa-glow);
	animation: nppa-bounce 1.2s var(--nppa-ease) infinite;
}
.nppa-typing__dots i:nth-child(2) { animation-delay: 0.15s; }
.nppa-typing__dots i:nth-child(3) { animation-delay: 0.3s; }
@keyframes nppa-bounce {
	0%, 60%, 100% { transform: translateY(0); opacity: 0.45; }
	30%           { transform: translateY(-4px); opacity: 1; }
}
.nppa-typing__label {
	font-family: var(--nppa-mono);
	font-size: 9px;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--nppa-muted);
}

/* ---------- Starter chips ---------------------------------------------- */

.nppa-chips {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	padding: 0 16px 12px;
	flex: 0 0 auto;
}
.nppa-chips:empty { display: none; }
.nppa-chip {
	font-family: var(--nppa-mono);
	font-size: var(--nppa-label);
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--nppa-muted);
	background: var(--nppa-raised);
	border: 1px solid var(--nppa-line);
	border-radius: 999px;
	padding: 6px 10px;
	cursor: pointer;
	transition: color 160ms linear, border-color 160ms linear, background-color 160ms linear;
}
.nppa-chip:hover,
.nppa-chip:focus-visible {
	color: var(--nppa-fg);
	border-color: var(--nppa-glow);
	background: var(--nppa-high);
	outline: none;
}

/* ---------- Composer ---------------------------------------------------- */

.nppa-form {
	display: flex;
	align-items: flex-end;
	gap: 8px;
	padding: 12px 12px 8px;
	border-top: 1px solid var(--nppa-line);
	background: var(--nppa-surface);
	flex: 0 0 auto;
}
.nppa-input {
	flex: 1 1 auto;
	min-width: 0;
	min-height: 38px;
	max-height: 110px;
	padding: 10px 12px;
	background: var(--nppa-bg);
	border: 1px solid var(--nppa-line);
	border-radius: 10px;
	color: var(--nppa-fg);
	font-family: inherit;
	font-size: var(--nppa-text);
	line-height: 1.4;
	resize: none;
	overflow-y: auto;
	-webkit-appearance: none;
	appearance: none;
	transition: border-color 160ms linear, box-shadow 160ms linear;
}
.nppa-input::placeholder { color: var(--nppa-muted); opacity: 0.6; }
.nppa-input:focus {
	outline: none;
	border-color: var(--nppa-accent);
	box-shadow: 0 0 0 1px color-mix(in srgb, var(--nppa-accent) 55%, transparent);
}
.nppa-send {
	display: grid;
	place-items: center;
	width: 38px;
	height: 38px;
	flex: 0 0 auto;
	padding: 0;
	background: var(--nppa-accent);
	border: 1px solid color-mix(in srgb, var(--nppa-glow) 60%, transparent);
	border-radius: 10px;
	color: #fff;
	cursor: pointer;
	transition: background-color 160ms linear, transform 160ms var(--nppa-ease), opacity 160ms linear;
}
.nppa-send:hover:not(:disabled) { background: var(--nppa-glow); transform: translateY(-1px); }
.nppa-send:disabled { opacity: 0.45; cursor: not-allowed; }

.nppa-disclaimer {
	margin: 0;
	padding: 0 16px 11px;
	font-family: var(--nppa-mono);
	font-size: 8px;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--nppa-muted);
	opacity: 0.55;
	text-align: center;
	line-height: 1.5;
	flex: 0 0 auto;
}

/* ---------- Mobile: bottom sheet --------------------------------------- */

@media (max-width: 600px) {
	.nppa {
		right: 12px;
		bottom: 12px;
		left: 12px;
		align-items: flex-end;
	}
	.nppa-panel {
		width: 100%;
		height: min(78vh, calc(100vh - 90px));
	}
	.nppa-launcher { width: 52px; height: 52px; }
}