/*
 * Alisa AI chat: floating button + dialog on articles and collections.
 *
 * Self-contained --ai-* tokens: collection pages are light (.esc-pb) and
 * do not expose the dark-theme --accent/--surface set this widget needs.
 * Selectors stay under .esc-ai so a page reset cannot leak in.
 */

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

.esc-ai {
	--ai-accent: #ff0004;
	--ai-accent-hover: #d40c10;
	--ai-accent-text: #ff6b6d;
	--ai-border: rgba(255, 255, 255, 0.08);
	--ai-border-strong: rgba(255, 255, 255, 0.16);
	--ai-bg: #1c1c1c;
	--ai-panel: #1f1f1f;
	--ai-surface: #242424;
	--ai-inset: #2b2b2b;
	--ai-text: #ffffff;
	--ai-heading: #f2f2f2;
	--ai-body: #b3b3b3;
	--ai-caption: #7d7d7d;
	--ai-online: #35c759;
	--ai-ease: ease-in-out;
}

.esc-ai button {
	font: inherit;
	color: inherit;
	appearance: none;
	-webkit-appearance: none;
}

.esc-ai :focus-visible {
	outline: 2px solid var(--ai-accent);
	outline-offset: 3px;
	border-radius: 6px;
}

.esc-ai .screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

html.esc-ai-open,
html.esc-ai-open body {
	overflow: hidden;
}

/* —— floating button ——
   Dark pill like the site's other floating controls: red icon tile with an
   "online" dot, white label. `.esc-ai .esc-ai-fab` beats `.esc-ai button`
   (color: inherit), which otherwise painted the label in the page's text
   colour on light collection pages. */

.esc-ai .esc-ai-fab {
	position: fixed;
	left: clamp(16px, 3vw, 28px);
	bottom: calc(clamp(16px, 3vw, 28px) + env(safe-area-inset-bottom, 0px));
	z-index: 890;
	display: inline-flex;
	align-items: center;
	gap: 10px;
	min-height: 48px;
	padding: 5px 18px 5px 5px;
	border: 1px solid var(--ai-border-strong);
	border-radius: 999px;
	background: rgba(28, 28, 28, 0.92);
	-webkit-backdrop-filter: blur(10px);
	backdrop-filter: blur(10px);
	color: var(--ai-text);
	font-family: 'Ubuntu', Arial, sans-serif;
	font-weight: 500;
	font-size: 15px;
	line-height: 1;
	white-space: nowrap;
	cursor: pointer;
	box-shadow: 0 16px 36px -14px rgba(0, 0, 0, 0.55);
	transition: transform 0.3s var(--ai-ease), border-color 0.2s var(--ai-ease), opacity 0.2s var(--ai-ease);
}

.esc-ai .esc-ai-fab:hover {
	border-color: rgba(255, 0, 4, 0.55);
	transform: translateY(-2px);
}

.esc-ai .esc-ai-fab:active {
	transform: scale(0.975);
}

.esc-ai-fab-tile {
	position: relative;
	display: grid;
	place-items: center;
	width: 36px;
	height: 36px;
	flex: 0 0 auto;
	border-radius: 50%;
	background: var(--ai-accent);
	color: #fff;
	transition: background-color 0.2s var(--ai-ease);
}

.esc-ai .esc-ai-fab:hover .esc-ai-fab-tile {
	background: var(--ai-accent-hover);
}

.esc-ai-fab-tile::after {
	content: "";
	position: absolute;
	right: -1px;
	bottom: -1px;
	width: 11px;
	height: 11px;
	border-radius: 50%;
	background: var(--ai-online);
	border: 2px solid #1c1c1c;
}

.esc-ai-fab-ic {
	width: 18px;
	height: 18px;
	flex: 0 0 auto;
}

.esc-ai[data-open="1"] .esc-ai-fab {
	opacity: 0;
	pointer-events: none;
	transform: translateY(6px);
}

/* —— invite tooltip: on hover (desktop) or once automatically (see JS) —— */

.esc-ai-hint {
	position: absolute;
	left: 0;
	bottom: calc(100% + 10px);
	width: max-content;
	max-width: 220px;
	padding: 10px 14px;
	border-radius: 12px;
	background: var(--ai-panel);
	border: 1px solid var(--ai-border-strong);
	color: var(--ai-heading);
	font-size: 13px;
	font-weight: 500;
	line-height: 1.35;
	text-align: left;
	white-space: normal;
	box-shadow: 0 12px 28px -10px rgba(0, 0, 0, 0.45);
	opacity: 0;
	transform: translateY(6px);
	pointer-events: none;
	transition: opacity 0.2s var(--ai-ease), transform 0.2s var(--ai-ease);
}

.esc-ai-hint::after {
	content: "";
	position: absolute;
	top: 100%;
	left: 22px;
	width: 10px;
	height: 10px;
	margin-top: -5px;
	background: var(--ai-panel);
	border-right: 1px solid var(--ai-border-strong);
	border-bottom: 1px solid var(--ai-border-strong);
	transform: rotate(45deg);
}

.esc-ai-hint.is-shown {
	opacity: 1;
	transform: none;
}

@media (hover: hover) {
	.esc-ai-fab:hover .esc-ai-hint,
	.esc-ai-fab:focus-visible .esc-ai-hint {
		opacity: 1;
		transform: none;
	}
}

/* —— overlay + dialog —— */

.esc-ai-modal {
	position: fixed;
	inset: 0;
	z-index: 9995;
	display: flex;
	align-items: flex-end;
	justify-content: flex-start;
	padding: clamp(16px, 3vw, 28px);
	font-family: 'Ubuntu', Arial, sans-serif;
}

.esc-ai-modal[hidden] {
	display: none;
}

.esc-ai-backdrop {
	position: fixed;
	inset: 0;
	background: rgba(10, 10, 10, 0.48);
	backdrop-filter: blur(2px);
}

.esc-ai-dialog {
	position: relative;
	z-index: 1;
	align-self: flex-end;
	width: min(400px, 100%);
	max-height: min(640px, calc(100dvh - 32px));
	display: flex;
	flex-direction: column;
	background: var(--ai-surface);
	color: var(--ai-body);
	border: 1px solid var(--ai-border-strong);
	border-radius: 24px;
	box-shadow: 0 28px 64px -20px rgba(0, 0, 0, 0.55);
	overflow: hidden;
	animation: escAiIn 0.3s var(--ai-ease);
}

@keyframes escAiIn {
	from { opacity: 0; transform: translateY(12px); }
	to { opacity: 1; transform: none; }
}

/* —— header —— */

.esc-ai-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	padding: 14px 14px 14px 16px;
	background: var(--ai-panel);
	border-bottom: 1px solid var(--ai-border);
	flex: 0 0 auto;
}

.esc-ai-head-info {
	display: flex;
	align-items: center;
	gap: 12px;
	min-width: 0;
}

.esc-ai-avatar {
	position: relative;
	width: 40px;
	height: 40px;
	flex: 0 0 auto;
	border-radius: 12px;
	display: grid;
	place-items: center;
	background: var(--ai-accent);
	color: #fff;
}

.esc-ai-avatar svg {
	width: 20px;
	height: 20px;
}

.esc-ai-avatar::after {
	content: "";
	position: absolute;
	right: -2px;
	bottom: -2px;
	width: 12px;
	height: 12px;
	border-radius: 50%;
	background: var(--ai-online);
	border: 2px solid var(--ai-panel);
}

.esc-ai-head-info h3 {
	margin: 0;
	font-size: 16px;
	font-weight: 700;
	line-height: 1.2;
	color: var(--ai-text);
}

.esc-ai-sub {
	margin: 4px 0 0;
	font-size: 12px;
	font-weight: 400;
	color: var(--ai-caption);
	line-height: 1.35;
}

.esc-ai-close {
	flex: 0 0 auto;
	width: 44px;
	height: 44px;
	border-radius: 10px;
	border: 1px solid var(--ai-border-strong);
	background: transparent;
	color: var(--ai-body);
	display: grid;
	place-items: center;
	cursor: pointer;
	transition: border-color 0.2s var(--ai-ease), color 0.2s var(--ai-ease), background-color 0.2s var(--ai-ease);
}

.esc-ai-close svg {
	width: 18px;
	height: 18px;
}

.esc-ai-close:hover {
	border-color: var(--ai-accent);
	color: var(--ai-accent-text);
	background: rgba(255, 0, 4, 0.08);
}

.esc-ai-close:active {
	transform: scale(0.975);
}

/* —— messages —— */

.esc-ai-body {
	flex: 1 1 auto;
	min-height: 80px;
	overflow-y: auto;
	padding: 16px;
	display: flex;
	flex-direction: column;
	gap: 12px;
	scrollbar-width: thin;
	scrollbar-color: var(--ai-border-strong) transparent;
}

.esc-ai-body::-webkit-scrollbar {
	width: 6px;
}

.esc-ai-body::-webkit-scrollbar-track {
	background: transparent;
}

.esc-ai-body::-webkit-scrollbar-thumb {
	background: var(--ai-border-strong);
	border-radius: 999px;
}

.esc-ai-msg {
	max-width: 88%;
	font-size: 15px;
	line-height: 1.5;
	color: var(--ai-heading);
}

.esc-ai-bubble {
	padding: 10px 14px;
	border-radius: 16px;
	overflow-wrap: anywhere;
}

.esc-ai-bubble > p,
.esc-ai-bubble > ul,
.esc-ai-bubble > ol {
	margin: 0 0 8px;
}

.esc-ai-bubble > :last-child {
	margin-bottom: 0;
}

.esc-ai-bubble p {
	white-space: pre-wrap;
}

.esc-ai-bubble ul,
.esc-ai-bubble ol {
	padding-left: 20px;
}

.esc-ai-bubble li + li {
	margin-top: 2px;
}

.esc-ai-msg--bot {
	align-self: flex-start;
}

.esc-ai-msg--bot .esc-ai-bubble {
	background: var(--ai-inset);
	border: 1px solid var(--ai-border);
	border-bottom-left-radius: 6px;
}

.esc-ai-msg--user {
	align-self: flex-end;
}

.esc-ai-msg--user .esc-ai-bubble {
	background: var(--ai-accent);
	color: #fff;
	border-bottom-right-radius: 6px;
}

.esc-ai-msg--error .esc-ai-bubble {
	background: rgba(255, 0, 4, 0.08);
	border: 1px dashed rgba(255, 0, 4, 0.35);
	color: var(--ai-accent-text);
	font-size: 14px;
}

.esc-ai-typing .esc-ai-bubble {
	display: inline-flex;
	gap: 5px;
	align-items: center;
	padding: 14px 16px;
}

.esc-ai-typing span {
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--ai-caption);
	animation: escAiBlink 1.1s infinite var(--ai-ease);
}

.esc-ai-typing span:nth-child(2) { animation-delay: 0.15s; }
.esc-ai-typing span:nth-child(3) { animation-delay: 0.3s; }

@keyframes escAiBlink {
	0%, 80%, 100% { opacity: 0.25; transform: scale(0.85); }
	40% { opacity: 1; transform: none; }
}

/* —— suggested questions ——
   Before the first question: a two-column grid. After it: one swipeable
   row above the input (they used to vanish, so the visitor could not get
   back to them); "Все вопросы" unfolds the grid again. */

.esc-ai-quick-wrap {
	flex: 0 0 auto;
	padding: 0 16px 14px;
}

.esc-ai-quick-bar {
	display: none;
	align-items: center;
	justify-content: space-between;
	gap: 8px;
	margin-bottom: 8px;
}

.esc-ai-quick-title {
	font-size: 12px;
	font-weight: 600;
	letter-spacing: 0.02em;
	color: var(--ai-caption);
}

.esc-ai .esc-ai-quick-toggle {
	min-height: 32px;
	padding: 0 12px;
	border: 1px solid var(--ai-border-strong);
	border-radius: 999px;
	background: transparent;
	color: var(--ai-heading);
	font-size: 12px;
	font-weight: 600;
	cursor: pointer;
}

.esc-ai .esc-ai-quick-toggle:hover {
	border-color: var(--ai-accent);
	color: var(--ai-accent-text);
}

.esc-ai .esc-ai-quick-toggle[hidden] {
	display: none;
}

.esc-ai-quick {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 8px;
}

.esc-ai.is-started .esc-ai-quick-wrap {
	padding: 10px 0 10px;
	border-top: 1px solid var(--ai-border);
}

.esc-ai.is-started .esc-ai-quick-bar {
	display: flex;
	padding: 0 16px;
}

.esc-ai.is-started .esc-ai-quick-wrap:not(.is-expanded) .esc-ai-quick {
	display: flex;
	gap: 8px;
	overflow-x: auto;
	padding: 0 16px 4px;
	scroll-snap-type: x proximity;
	scroll-padding-inline: 16px;
	scrollbar-width: none;
	-webkit-overflow-scrolling: touch;
}

.esc-ai.is-started .esc-ai-quick-wrap:not(.is-expanded) .esc-ai-quick::-webkit-scrollbar {
	display: none;
}

.esc-ai.is-started .esc-ai-quick-wrap:not(.is-expanded) .esc-ai-chip {
	flex: 0 0 auto;
	max-width: 78%;
	min-height: 36px;
	padding: 7px 12px;
	border-radius: 999px;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	scroll-snap-align: start;
}

.esc-ai.is-started .esc-ai-quick-wrap.is-expanded .esc-ai-quick {
	max-height: 40vh;
	overflow-y: auto;
	padding: 0 16px;
}

.esc-ai-chip--new {
	grid-column: 1 / -1;
	border-color: rgba(255, 0, 4, 0.45);
}

.esc-ai-chip--new::before {
	content: "Новое";
	display: inline-block;
	margin-right: 8px;
	padding: 1px 7px;
	border-radius: 999px;
	background: var(--ai-accent);
	color: #fff;
	font-size: 11px;
	font-weight: 600;
	vertical-align: 1px;
}

.esc-ai-chip.is-asked {
	opacity: 0.55;
}

.esc-ai-chip {
	min-height: 44px;
	padding: 10px 12px;
	border: 1px solid var(--ai-border-strong);
	background: var(--ai-inset);
	color: var(--ai-heading);
	border-radius: 10px;
	font-size: 13px;
	font-weight: 500;
	line-height: 1.35;
	text-align: left;
	cursor: pointer;
	transition: border-color 0.2s var(--ai-ease), color 0.2s var(--ai-ease), background-color 0.2s var(--ai-ease);
}

.esc-ai-chip:hover {
	border-color: var(--ai-accent);
	color: var(--ai-accent-text);
	background: rgba(255, 0, 4, 0.08);
}

.esc-ai-chip:active {
	transform: scale(0.975);
}

.esc-ai-chip:disabled {
	opacity: 0.45;
	cursor: not-allowed;
	transform: none;
}

/* —— sources, rating, "searching" note —— */

.esc-ai-sources {
	margin-top: 6px;
	padding: 8px 12px;
	border: 1px solid var(--ai-border);
	border-radius: 12px;
	font-size: 13px;
	line-height: 1.4;
}

.esc-ai-sources-cap {
	margin: 0 0 4px;
	font-size: 12px;
	font-weight: 600;
	color: var(--ai-caption);
}

.esc-ai-sources ul {
	margin: 0;
	padding: 0;
	list-style: none;
}

.esc-ai-sources li + li {
	margin-top: 4px;
}

.esc-ai-sources a {
	color: var(--ai-accent-text);
	text-decoration: underline;
	text-underline-offset: 2px;
	overflow-wrap: anywhere;
}

.esc-ai-sources-host {
	display: block;
	font-size: 11px;
	color: var(--ai-caption);
}

.esc-ai-rate {
	display: flex;
	align-items: center;
	gap: 6px;
	margin-top: 6px;
	font-size: 12px;
	color: var(--ai-caption);
}

.esc-ai .esc-ai-rate-btn {
	min-width: 36px;
	min-height: 32px;
	padding: 0 8px;
	border: 1px solid var(--ai-border-strong);
	border-radius: 999px;
	background: transparent;
	font-size: 15px;
	line-height: 1;
	cursor: pointer;
}

.esc-ai .esc-ai-rate-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	color: var(--ai-body);
}

.esc-ai .esc-ai-rate-btn svg {
	width: 16px;
	height: 16px;
}

.esc-ai .esc-ai-rate-btn:hover,
.esc-ai .esc-ai-rate-btn[aria-pressed="true"] {
	border-color: var(--ai-accent);
	background: rgba(255, 0, 4, 0.08);
	color: var(--ai-accent-text);
}

.esc-ai-rate.is-rated .esc-ai-rate-btn[aria-pressed="false"] {
	opacity: 0.4;
}

.esc-ai-typing .esc-ai-typing-note {
	margin: 6px 0 0;
	font-size: 12px;
	color: var(--ai-caption);
}

.esc-ai-typing {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
}

/* —— composer —— */

.esc-ai-foot {
	flex: 0 0 auto;
	background: var(--ai-panel);
	border-top: 1px solid var(--ai-border);
	padding: 12px 12px 14px;
}

.esc-ai-form {
	display: flex;
	align-items: flex-end;
	gap: 8px;
}

.esc-ai-form textarea {
	flex: 1 1 auto;
	resize: none;
	min-height: 44px;
	max-height: 100px;
	background: var(--ai-inset);
	border: 1px solid var(--ai-border-strong);
	border-radius: 10px;
	color: var(--ai-text);
	font-family: inherit;
	font-weight: 400;
	/* 16px, not 14px: iOS Safari zooms the page on focus below 16px. */
	font-size: 16px;
	padding: 11px 12px;
	line-height: 1.4;
}

.esc-ai-form textarea::placeholder {
	color: var(--ai-caption);
}

.esc-ai-form textarea:focus {
	outline: none;
	border-color: var(--ai-accent);
}

.esc-ai-form textarea:disabled {
	opacity: 0.55;
}

.esc-ai-send {
	flex: 0 0 auto;
	width: 44px;
	height: 44px;
	border-radius: 10px;
	border: none;
	background: var(--ai-accent);
	color: #fff;
	display: grid;
	place-items: center;
	cursor: pointer;
	transition: background-color 0.2s var(--ai-ease), transform 0.3s var(--ai-ease), opacity 0.2s var(--ai-ease);
}

.esc-ai-send svg {
	width: 18px;
	height: 18px;
}

.esc-ai-send:hover {
	background: var(--ai-accent-hover);
	transform: translateY(-2px);
}

.esc-ai-send:active {
	transform: scale(0.975);
}

.esc-ai-send:disabled {
	opacity: 0.45;
	cursor: not-allowed;
	transform: none;
}

.esc-ai-limit {
	margin: 8px 4px 0;
	font-size: 12px;
	line-height: 1.35;
	color: var(--ai-caption);
}

.esc-ai-limit.is-out {
	color: var(--ai-accent-text);
}

/* —— call / book instead of a dead end when the chat can't help right now —— */

.esc-ai-cta {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: 10px;
}

.esc-ai-cta[hidden] {
	display: none;
}

.esc-ai-cta-btn {
	flex: 1 1 auto;
	min-height: 40px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0 14px;
	border-radius: 999px;
	background: var(--ai-inset);
	border: 1px solid var(--ai-border-strong);
	color: var(--ai-heading);
	font-size: 13px;
	font-weight: 600;
	text-align: center;
	text-decoration: none;
	transition: border-color 0.2s var(--ai-ease), color 0.2s var(--ai-ease), background-color 0.2s var(--ai-ease);
}

.esc-ai-cta-btn:hover {
	border-color: var(--ai-accent);
	color: var(--ai-accent-text);
	background: rgba(255, 0, 4, 0.08);
}

.esc-ai-cta-btn--book {
	background: var(--ai-accent);
	border-color: var(--ai-accent);
	color: #fff;
}

.esc-ai-cta-btn--book:hover {
	background: var(--ai-accent-hover);
	color: #fff;
}

@media (max-width: 480px) {
	.esc-ai .esc-ai-fab {
		min-height: 44px;
		padding: 4px 16px 4px 4px;
		font-size: 14px;
	}

	.esc-ai-modal {
		align-items: stretch;
		padding: 0;
	}

	.esc-ai-dialog {
		width: 100%;
		max-height: none;
		height: 100%;
		height: 100dvh;
		border-radius: 0;
		border: 0;
	}

	.esc-ai-head {
		padding-top: calc(14px + env(safe-area-inset-top, 0px));
	}

	.esc-ai-foot {
		padding-bottom: calc(14px + env(safe-area-inset-bottom, 0px));
	}

	.esc-ai-quick {
		grid-template-columns: 1fr;
	}

	.esc-ai.is-started .esc-ai-quick-wrap.is-expanded .esc-ai-quick {
		max-height: 34vh;
	}
}

@media (prefers-reduced-motion: reduce) {
	.esc-ai .esc-ai-fab,
	.esc-ai .esc-ai-fab:hover,
	.esc-ai .esc-ai-fab:active,
	.esc-ai[data-open="1"] .esc-ai-fab,
	.esc-ai-close,
	.esc-ai-chip,
	.esc-ai-chip:active,
	.esc-ai-send,
	.esc-ai-send:hover,
	.esc-ai-send:active,
	.esc-ai-hint {
		transition: none;
		transform: none;
	}

	.esc-ai-dialog {
		animation: none;
	}

	.esc-ai-typing span {
		animation: none;
		opacity: 0.7;
	}
}