/* ==========================================================================
   Ask AI chat. Depends on design-system.css for tokens.
   ========================================================================== */

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

/* --- Shell ---------------------------------------------------------------- */

.chat-scrim {
	position: fixed;
	inset: 0;
	z-index: 90;
	background: rgba(32, 33, 36, 0.32);
	backdrop-filter: blur(3px);
	opacity: 0;
	transition: opacity 240ms var(--ease);
}

.chat-root.is-open .chat-scrim {
	opacity: 1;
}

.chat-panel {
	position: fixed;
	z-index: 91;
	right: 24px;
	bottom: 24px;
	/* 20% larger than the original 420 x 640. The viewport clamps stay, so it
	   still shrinks rather than overflowing on a short window. */
	width: min(504px, calc(100vw - 48px));
	height: min(768px, calc(100vh - 48px));
	display: flex;
	flex-direction: column;
	background: #fff;
	border-radius: 24px;
	border: 1px solid var(--line);
	box-shadow: 0 24px 70px rgba(32, 33, 36, 0.26);
	overflow: hidden;
	transform: translateY(16px) scale(0.98);
	opacity: 0;
	transform-origin: 100% 100%;
	transition: opacity 260ms var(--ease), transform 260ms var(--ease);
}

.chat-root.is-open .chat-panel {
	opacity: 1;
	transform: none;
}

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

.chat-head {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 14px 12px 14px 18px;
	border-bottom: 1px solid var(--line-soft);
	flex: 0 0 auto;
}

.chat-head-title {
	flex: 1;
	min-width: 0;
}

.chat-head h2 {
	font-size: 16px;
	line-height: 1.2;
	letter-spacing: -0.01em;
}

.chat-head p {
	font-size: 12px;
	color: var(--ink-3);
	margin-top: 2px;
}

.chat-icon-btn {
	flex: 0 0 auto;
	width: 36px;
	height: 36px;
	display: grid;
	place-items: center;
	border: 0;
	border-radius: 50%;
	background: transparent;
	color: var(--ink-2);
	cursor: pointer;
	transition: background-color 180ms var(--ease), color 180ms var(--ease);
}

.chat-icon-btn:hover {
	background: var(--bg-sink);
	color: var(--ink);
}

.chat-icon-btn[disabled] {
	opacity: 0.4;
	cursor: default;
}

/* --- Message list --------------------------------------------------------- */

.chat-log {
	flex: 1 1 auto;
	overflow-y: auto;
	overscroll-behavior: contain;
	padding: 20px 18px 8px;
	scroll-behavior: smooth;
}

.chat-msg {
	display: flex;
	gap: 10px;
	margin-bottom: 18px;
	animation: chat-in 300ms var(--ease) both;
}

@keyframes chat-in {
	from {
		opacity: 0;
		transform: translateY(8px);
	}
}

.chat-msg.user {
	justify-content: flex-end;
}

.chat-avatar {
	flex: 0 0 auto;
	width: 28px;
	height: 28px;
	display: grid;
	place-items: center;
	margin-top: 2px;
}

.chat-bubble {
	max-width: 100%;
	font-size: 14.5px;
	line-height: 1.6;
	color: var(--ink);
	/* break-word, not anywhere: `anywhere` lets the browser shrink the bubble to
	   a single character column, which chopped short messages mid-word. */
	overflow-wrap: break-word;
}

.chat-msg.user .chat-bubble {
	background: var(--bg-sink);
	padding: 10px 15px;
	border-radius: 18px 18px 4px 18px;
}

.chat-msg.bot .chat-bubble {
	padding-top: 2px;
}

/* Markdown output inside a bot bubble. */
.chat-bubble p {
	margin: 0 0 10px;
}

.chat-bubble p:last-child {
	margin-bottom: 0;
}

.chat-bubble ul,
.chat-bubble ol {
	margin: 0 0 10px;
	padding-left: 20px;
	list-style: revert;
}

.chat-bubble li {
	margin-bottom: 4px;
}

.chat-bubble strong {
	font-weight: 600;
}

.chat-bubble code {
	font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
	font-size: 0.88em;
	background: var(--bg-sink);
	padding: 1px 5px;
	border-radius: 5px;
}

.chat-bubble pre {
	margin: 0 0 10px;
	max-width: 100%;
	padding: 12px 14px;
	background: var(--bg-sink);
	border-radius: 12px;
	overflow-x: auto;
}

.chat-bubble pre code {
	background: none;
	padding: 0;
}

.chat-bubble a {
	color: var(--blue-ink);
	text-decoration: underline;
}

/* Caret shown while text is still being revealed. */
.chat-bubble.is-typing::after {
	content: "";
	display: inline-block;
	width: 7px;
	height: 15px;
	margin-left: 2px;
	vertical-align: -2px;
	border-radius: 2px;
	background: var(--grad);
	animation: chat-caret 900ms steps(2) infinite;
}

@keyframes chat-caret {
	50% {
		opacity: 0;
	}
}

/* --- Per-message actions -------------------------------------------------- */

.chat-actions {
	display: flex;
	gap: 2px;
	margin-top: 6px;
	opacity: 0;
	transition: opacity 180ms var(--ease);
}

.chat-msg:hover .chat-actions,
.chat-msg:focus-within .chat-actions {
	opacity: 1;
}

.chat-mini {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	height: 26px;
	padding: 0 8px;
	border: 0;
	border-radius: var(--r-pill);
	background: transparent;
	color: var(--ink-3);
	font: inherit;
	font-size: 12px;
	cursor: pointer;
	transition: background-color 160ms var(--ease), color 160ms var(--ease);
}

.chat-mini:hover {
	background: var(--bg-sink);
	color: var(--ink);
}

/* --- Thinking indicator --------------------------------------------------- */

.chat-dots {
	display: inline-flex;
	gap: 5px;
	padding: 8px 2px;
}

.chat-dots i {
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: var(--grad);
	background-size: 300% 100%;
	animation: chat-bounce 1.2s var(--ease) infinite;
}

.chat-dots i:nth-child(2) {
	animation-delay: 0.16s;
}

.chat-dots i:nth-child(3) {
	animation-delay: 0.32s;
}

@keyframes chat-bounce {

	0%,
	60%,
	100% {
		transform: translateY(0);
		opacity: 0.45;
	}

	30% {
		transform: translateY(-5px);
		opacity: 1;
	}
}

/* --- Greeting and suggestions --------------------------------------------- */

.chat-greeting {
	padding: 8px 2px 4px;
}

.chat-greeting h3 {
	font-size: 22px;
	line-height: 1.25;
	margin-bottom: 8px;
}

.chat-greeting p {
	font-size: 14px;
	color: var(--ink-2);
	line-height: 1.6;
}

.chat-suggestions {
	display: flex;
	flex-direction: column;
	gap: 8px;
	margin-top: 18px;
}

.chat-chip {
	text-align: left;
	padding: 11px 14px;
	border: 1px solid var(--line);
	border-radius: 14px;
	background: #fff;
	color: var(--ink-2);
	font: inherit;
	font-size: 13.5px;
	line-height: 1.45;
	cursor: pointer;
	transition: border-color 180ms var(--ease), background-color 180ms var(--ease),
		transform 180ms var(--ease), color 180ms var(--ease);
}

.chat-chip:hover {
	border-color: transparent;
	background: var(--tint-blue);
	color: var(--ink);
	transform: translateX(3px);
}

/* --- Error ---------------------------------------------------------------- */

.chat-error {
	display: flex;
	align-items: flex-start;
	gap: 10px;
	margin: 0 0 18px;
	padding: 12px 14px;
	border-radius: 14px;
	background: var(--tint-red);
	color: var(--red-ink);
	font-size: 13.5px;
	line-height: 1.5;
}

.chat-error button {
	flex: 0 0 auto;
	border: 0;
	background: none;
	color: inherit;
	font: inherit;
	font-weight: 600;
	text-decoration: underline;
	cursor: pointer;
	padding: 0;
}

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

.chat-composer {
	flex: 0 0 auto;
	padding: 12px 16px 14px;
	border-top: 1px solid var(--line-soft);
	background: #fff;
}

.chat-field {
	display: flex;
	align-items: flex-end;
	gap: 8px;
	padding: 6px 6px 6px 16px;
	border: 1px solid var(--line);
	border-radius: 24px;
	transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.chat-field:focus-within {
	border-color: transparent;
	box-shadow: 0 0 0 2px rgba(66, 133, 244, 0.5);
}

.chat-field textarea {
	flex: 1;
	border: 0;
	outline: 0;
	resize: none;
	background: none;
	font: inherit;
	font-size: 14.5px;
	line-height: 1.5;
	color: var(--ink);
	max-height: 132px;
	padding: 9px 0;
}

.chat-field textarea::placeholder {
	color: var(--ink-3);
}

.chat-send {
	flex: 0 0 auto;
	width: 38px;
	height: 38px;
	display: grid;
	place-items: center;
	border: 0;
	border-radius: 50%;
	background: var(--grad);
	color: #fff;
	cursor: pointer;
	transition: opacity 180ms var(--ease), transform 180ms var(--ease);
}

.chat-send:hover {
	transform: scale(1.06);
}

.chat-send[disabled] {
	background: var(--bg-sink);
	color: var(--ink-3);
	cursor: default;
	transform: none;
}

.chat-send.is-stop {
	background: var(--ink);
}

.chat-foot {
	display: flex;
	justify-content: space-between;
	gap: 12px;
	margin-top: 8px;
	padding: 0 6px;
	font-size: 11.5px;
	color: var(--ink-3);
}

.chat-count.is-over {
	color: var(--red-ink);
	font-weight: 600;
}

/* --- Small screens -------------------------------------------------------- */

@media (max-width: 640px) {
	.chat-panel {
		inset: 0;
		width: 100%;
		height: 100%;
		max-height: none;
		border: 0;
		border-radius: 0;
		transform: translateY(20px);
	}

	.chat-msg > div:last-child {
		max-width: 88% !important;
	}
}

@media (prefers-reduced-motion: reduce) {

	.chat-log {
		scroll-behavior: auto;
	}

	.chat-msg {
		animation: none;
	}
}

/* --- Embedded provider chat ----------------------------------------------- */

/* Production loads BotDojo's own widget into this panel, so the panel keeps
   its shell and the iframe fills everything below the header. */
.chat-panel.is-embed .chat-frame {
	flex: 1 1 auto;
	width: 100%;
	border: 0;
	display: block;
}