.blu-ai {
	--blu-ai-border: #d9dee3;
	--blu-ai-bg: #ffffff;
	--blu-ai-accent: #2563eb;
	--blu-ai-text: #1f2933;
	--blu-ai-muted: #6b7280;
	--blu-ai-user-bg: #eef2ff;
	--blu-ai-assistant-bg: #f5f6f8;
	--blu-ai-error: #b42318;

	max-width: 640px;
	margin: 24px 0;
	border: 1px solid var(--blu-ai-border);
	border-radius: 10px;
	background: var(--blu-ai-bg);
	color: var(--blu-ai-text);
	font-size: 14px;
	line-height: 1.5;
	overflow: hidden;
}

.blu-ai-toolbar {
	display: flex;
	justify-content: flex-end;
	padding: 10px 14px;
	border-bottom: 1px solid var(--blu-ai-border);
	background: #fafbfc;
}

.blu-ai-summary-btn {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	border: 1px solid var(--blu-ai-border);
	background: #fff;
	color: var(--blu-ai-text);
	border-radius: 6px;
	padding: 6px 12px;
	font-size: 13px;
	cursor: pointer;
	transition: background 0.15s ease;
}

.blu-ai-summary-btn:hover:not(:disabled) {
	background: #f0f2f5;
}

.blu-ai-summary-btn:disabled,
.blu-ai-send:disabled,
.blu-ai-question:disabled {
	opacity: 0.6;
	cursor: not-allowed;
}

.blu-ai-messages {
	max-height: 420px;
	overflow-y: auto;
	padding: 14px;
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.blu-ai-message {
	position: relative;
	max-width: 90%;
	padding: 10px 12px;
	border-radius: 8px;
}

.blu-ai-message-user {
	align-self: flex-end;
	background: var(--blu-ai-user-bg);
}

.blu-ai-message-assistant {
	align-self: flex-start;
	background: var(--blu-ai-assistant-bg);
	padding-bottom: 28px;
}

.blu-ai-message-content p {
	margin: 0 0 8px;
}

.blu-ai-message-content p:last-child {
	margin-bottom: 0;
}

.blu-ai-message-content h1,
.blu-ai-message-content h2,
.blu-ai-message-content h3 {
	margin: 0 0 8px;
	font-size: 1.05em;
}

.blu-ai-message-content ul,
.blu-ai-message-content ol {
	margin: 0 0 8px 18px;
	padding: 0;
}

.blu-ai-message-content code {
	background: rgba(0, 0, 0, 0.06);
	padding: 1px 4px;
	border-radius: 4px;
	font-size: 0.9em;
}

.blu-ai-message-content pre {
	background: rgba(0, 0, 0, 0.06);
	padding: 10px;
	border-radius: 6px;
	overflow-x: auto;
}

.blu-ai-copy-btn {
	position: absolute;
	right: 8px;
	bottom: 6px;
	border: none;
	background: transparent;
	color: var(--blu-ai-muted);
	font-size: 12px;
	cursor: pointer;
	padding: 2px 6px;
}

.blu-ai-copy-btn:hover {
	color: var(--blu-ai-text);
	text-decoration: underline;
}

.blu-ai-loading {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 0 14px 10px;
	color: var(--blu-ai-muted);
	font-size: 13px;
}

.blu-ai-spinner {
	width: 14px;
	height: 14px;
	border: 2px solid var(--blu-ai-border);
	border-top-color: var(--blu-ai-accent);
	border-radius: 50%;
	animation: blu-ai-spin 0.7s linear infinite;
}

@keyframes blu-ai-spin {
	to {
		transform: rotate(360deg);
	}
}

.blu-ai-error {
	margin: 0 14px 10px;
	padding: 8px 10px;
	border-radius: 6px;
	background: #fef2f1;
	color: var(--blu-ai-error);
	font-size: 13px;
}

.blu-ai-form {
	display: flex;
	gap: 8px;
	padding: 12px 14px;
	border-top: 1px solid var(--blu-ai-border);
}

.blu-ai-question {
	flex: 1;
	resize: vertical;
	border: 1px solid var(--blu-ai-border);
	border-radius: 6px;
	padding: 8px 10px;
	font-family: inherit;
	font-size: 13px;
}

.blu-ai-question:focus {
	outline: none;
	border-color: var(--blu-ai-accent);
}

.blu-ai-send {
	align-self: flex-end;
	border: none;
	background: var(--blu-ai-accent);
	color: #fff;
	border-radius: 6px;
	padding: 8px 16px;
	font-size: 13px;
	cursor: pointer;
}

.blu-ai-send:hover:not(:disabled) {
	background: #1d4ed8;
}