/* (Govintra) Chat
   Colours come from the theme's tokens, so dark mode follows the theme. The
   fallbacks only apply on a theme without them. */

.govintra-chat {
	--chat-text: var(--color-text, #0b0c0c);
	--chat-text-secondary: var(--color-text-secondary, #505a5f);
	--chat-surface: var(--color-surface, #ffffff);
	--chat-surface-alt: var(--color-surface-alt, #f3f2f1);
	--chat-border: var(--color-border, #b1b4b6);
	--chat-link: var(--color-link, #1d70b8);
	--chat-focus: var(--color-focus, #ffdd00);
	--chat-focus-text: var(--color-focus-text, #0b0c0c);

	display: flex;
	flex-direction: column;
	box-sizing: border-box;
	color: var(--chat-text);
	background: var(--chat-surface);
	border: 1px solid var(--chat-border);
	border-radius: 6px;
	overflow: hidden;
}

.govintra-chat *,
.govintra-chat *::before,
.govintra-chat *::after {
	box-sizing: border-box;
}

.govintra-chat__sr {
	position: absolute;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip: rect(0 0 0 0);
	white-space: nowrap;
	border: 0;
}

/* Header */

.govintra-chat__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	padding: 10px 14px;
	background: var(--chat-surface-alt);
	border-bottom: 1px solid var(--chat-border);
}

.govintra-chat .govintra-chat__title {
	margin: 0;
	font-size: 1.125rem;
	line-height: 1.3;
}

.govintra-chat__actions {
	display: flex;
	gap: 12px;
	flex-shrink: 0;
}

.govintra-chat__new,
.govintra-chat__close {
	padding: 2px 0;
	font: inherit;
	font-size: 0.9375rem;
	color: var(--chat-link);
	text-decoration: underline;
	background: none;
	border: 0;
	cursor: pointer;
}

/* Conversation */

.govintra-chat__log {
	flex: 1 1 auto;
	min-height: 220px;
	max-height: 60vh;
	padding: 14px;
	overflow-y: auto;
	overscroll-behavior: contain;
}

.govintra-chat-inline .govintra-chat__log {
	height: 55vh;
	min-height: 320px;
}

.govintra-chat__msg {
	max-width: 92%;
	margin: 0 0 14px;
}

.govintra-chat__msg--user {
	margin-left: auto;
}

.govintra-chat .govintra-chat__who {
	margin: 0 0 3px;
	font-size: 0.8125rem;
	font-weight: 700;
	color: var(--chat-text-secondary);
}

.govintra-chat__msg--user .govintra-chat__who {
	text-align: right;
}

.govintra-chat__bubble {
	padding: 10px 12px;
	background: var(--chat-surface-alt);
	border: 1px solid var(--chat-border);
	border-radius: 6px;
	overflow-wrap: anywhere;
}

.govintra-chat__msg--user .govintra-chat__bubble {
	background: var(--chat-surface);
	border-left: 4px solid var(--chat-link);
}

.govintra-chat__bubble > :first-child {
	margin-top: 0;
}

.govintra-chat__bubble > :last-child {
	margin-bottom: 0;
}

.govintra-chat__bubble p,
.govintra-chat__bubble ul,
.govintra-chat__bubble ol {
	margin: 0 0 0.6em;
	font-size: 1rem;
	line-height: 1.5;
}

.govintra-chat__bubble ul,
.govintra-chat__bubble ol {
	padding-left: 1.3em;
}

.govintra-chat__bubble h2,
.govintra-chat__bubble h3,
.govintra-chat__bubble h4 {
	margin: 0.6em 0 0.3em;
	font-size: 1.0625rem;
	line-height: 1.3;
}

.govintra-chat__bubble a,
.govintra-chat__sources a {
	color: var(--chat-link);
}

/* Sources */

.govintra-chat__sources {
	margin-top: 6px;
	padding: 0 2px;
	font-size: 0.9375rem;
}

.govintra-chat .govintra-chat__sources-title {
	margin: 0 0 2px;
	font-size: 0.8125rem;
	font-weight: 700;
	color: var(--chat-text-secondary);
}

.govintra-chat__sources ul {
	margin: 0;
	padding-left: 1.2em;
}

.govintra-chat__sources li {
	margin: 0 0 2px;
}

/* Feedback */

.govintra-chat__feedback {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px;
	margin-top: 6px;
	font-size: 0.8125rem;
	color: var(--chat-text-secondary);
}

.govintra-chat__thumb {
	padding: 2px 8px;
	font: inherit;
	color: var(--chat-text);
	background: var(--chat-surface);
	border: 1px solid var(--chat-border);
	border-radius: 4px;
	cursor: pointer;
}

.govintra-chat__thumb[aria-pressed="true"] {
	font-weight: 700;
	border-color: var(--chat-text);
	box-shadow: inset 0 0 0 1px var(--chat-text);
}

/* Waiting */

.govintra-chat__dots {
	display: inline-flex;
	gap: 4px;
	margin-top: 6px;
}

.govintra-chat__dots span {
	width: 6px;
	height: 6px;
	background: var(--chat-text-secondary);
	border-radius: 50%;
	animation: govintra-chat-dot 1.2s infinite ease-in-out;
}

.govintra-chat__dots span:nth-child(2) {
	animation-delay: 0.2s;
}

.govintra-chat__dots span:nth-child(3) {
	animation-delay: 0.4s;
}

@keyframes govintra-chat-dot {
	0%, 80%, 100% { opacity: 0.25; }
	40% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
	.govintra-chat__dots span {
		animation: none;
		opacity: 0.6;
	}
}

/* Example questions */

.govintra-chat__examples {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	padding: 0 14px 12px;
}

.govintra-chat__examples[hidden] {
	display: none;
}

.govintra-chat__example {
	padding: 6px 10px;
	font: inherit;
	font-size: 0.9375rem;
	text-align: left;
	color: var(--chat-link);
	background: var(--chat-surface);
	border: 1px solid var(--chat-border);
	border-radius: 4px;
	cursor: pointer;
}

.govintra-chat__example:hover {
	background: var(--chat-surface-alt);
}

/* Question box */

.govintra-chat__form {
	margin: 0;
	padding: 12px 14px 14px;
	border-top: 1px solid var(--chat-border);
}

.govintra-chat .govintra-chat__label {
	display: block;
	margin: 0 0 4px;
	font-size: 0.9375rem;
	font-weight: 700;
}

.govintra-chat__row {
	display: flex;
	align-items: flex-end;
	gap: 8px;
}

.govintra-chat .govintra-chat__input {
	flex: 1 1 auto;
	width: 100%;
	min-height: 2.75em;
	margin: 0;
	padding: 8px;
	font: inherit;
	font-size: 1rem;
	line-height: 1.4;
	color: var(--chat-text);
	background: var(--chat-surface);
	border: 2px solid var(--chat-text);
	border-radius: 0;
	resize: vertical;
}

.govintra-chat .govintra-chat__send {
	flex-shrink: 0;
	margin: 0;
}

.govintra-chat.is-busy .govintra-chat__send {
	opacity: 0.6;
	cursor: progress;
}

/* Focus: the GOV.UK pattern the theme uses */

.govintra-chat__input:focus,
.govintra-chat__log:focus-visible,
.govintra-chat__thumb:focus-visible,
.govintra-chat__example:focus-visible {
	outline: 3px solid var(--chat-focus);
	outline-offset: 0;
	box-shadow: inset 0 0 0 2px var(--chat-text);
}

.govintra-chat__new:focus-visible,
.govintra-chat__close:focus-visible,
.govintra-chat__bubble a:focus-visible,
.govintra-chat__sources a:focus-visible {
	color: var(--chat-focus-text);
	text-decoration: none;
	background: var(--chat-focus);
	outline: 3px solid transparent;
	box-shadow: 0 -2px var(--chat-focus), 0 4px var(--chat-focus-text);
}

/* Chat button and pop-up */

.govintra-chat-launcher {
	position: fixed;
	right: 16px;
	bottom: 16px;
	z-index: 9990;
	display: flex;
	flex-direction: column-reverse;
	align-items: flex-end;
	gap: 8px;
	max-width: calc(100vw - 32px);
}

.govintra-chat-launcher .govintra-chat-launcher__button {
	margin: 0;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.govintra-chat-launcher__popup {
	width: 400px;
	max-width: 100%;
}

.govintra-chat-launcher__popup[hidden] {
	display: none;
}

.govintra-chat-launcher__popup .govintra-chat {
	max-height: calc(100vh - 90px);
	box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.govintra-chat-launcher__popup .govintra-chat__log {
	max-height: none;
	height: 46vh;
}

@media (max-width: 480px) {
	.govintra-chat-launcher {
		right: 8px;
		bottom: 8px;
		max-width: calc(100vw - 16px);
	}

	.govintra-chat-launcher__popup {
		width: calc(100vw - 16px);
	}
}

@media print {
	.govintra-chat-launcher {
		display: none;
	}
}