/**
 * Site-Aware RAG Chatbot — frontend widget styles.
 */

.sarc-chat-root {
	--sarc-primary: #2563eb;
	--sarc-primary-dark: #1d4ed8;
	--sarc-bg: #ffffff;
	--sarc-border: #e5e7eb;
	--sarc-text: #111827;
	--sarc-muted: #6b7280;
	--sarc-bot-bg: #f3f4f6;
	--sarc-user-bg: #2563eb;
	--sarc-user-text: #ffffff;
	--sarc-radius: 12px;
	--sarc-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
	font-size: 14px;
	line-height: 1.5;
	color: var(--sarc-text);
}

/* Inline mode */
.sarc-chat-root[data-sarc-mode="inline"] .sarc-chat-panel {
	position: relative;
	width: 100%;
	max-width: 480px;
	border: 1px solid var(--sarc-border);
	border-radius: var(--sarc-radius);
	box-shadow: var(--sarc-shadow);
	background: var(--sarc-bg);
	overflow: hidden;
}

/* Floating mode */
.sarc-chat-root[data-sarc-mode="floating"] .sarc-chat-toggle {
	position: fixed;
	bottom: 24px;
	right: 24px;
	width: 56px;
	height: 56px;
	border-radius: 50%;
	background: var(--sarc-primary);
	color: #fff;
	border: none;
	cursor: pointer;
	box-shadow: var(--sarc-shadow);
	display: flex;
	align-items: center;
	justify-content: center;
	z-index: 99998;
	transition: background 0.2s, transform 0.2s;
}

.sarc-chat-root[data-sarc-mode="floating"] .sarc-chat-toggle:hover {
	background: var(--sarc-primary-dark);
	transform: scale(1.05);
}

.sarc-chat-root[data-sarc-mode="floating"] .sarc-chat-toggle svg {
	width: 24px;
	height: 24px;
	fill: currentColor;
}

.sarc-chat-root[data-sarc-mode="floating"] .sarc-chat-panel {
	position: fixed;
	bottom: 92px;
	right: 24px;
	width: 380px;
	max-width: calc(100vw - 48px);
	height: 520px;
	max-height: calc(100vh - 120px);
	border: 1px solid var(--sarc-border);
	border-radius: var(--sarc-radius);
	box-shadow: var(--sarc-shadow);
	background: var(--sarc-bg);
	display: none;
	flex-direction: column;
	overflow: hidden;
	z-index: 99999;
}

.sarc-chat-root[data-sarc-mode="floating"].sarc-open .sarc-chat-panel {
	display: flex;
}

.sarc-chat-header {
	padding: 14px 16px;
	background: var(--sarc-primary);
	color: #fff;
	font-weight: 600;
	font-size: 15px;
	flex-shrink: 0;
}

.sarc-chat-messages {
	flex: 1;
	overflow-y: auto;
	padding: 16px;
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.sarc-chat-message {
	max-width: 85%;
	padding: 10px 14px;
	border-radius: 16px;
	word-wrap: break-word;
}

.sarc-chat-message--bot {
	background: var(--sarc-bot-bg);
	align-self: flex-start;
	border-bottom-left-radius: 4px;
}

.sarc-chat-message--user {
	background: var(--sarc-user-bg);
	color: var(--sarc-user-text);
	align-self: flex-end;
	border-bottom-right-radius: 4px;
}

.sarc-chat-message--typing {
	color: var(--sarc-muted);
	font-style: italic;
}

.sarc-chat-sources {
	margin-top: 8px;
	font-size: 12px;
	color: var(--sarc-muted);
}

.sarc-chat-sources a {
	color: var(--sarc-primary);
	text-decoration: none;
}

.sarc-chat-sources a:hover {
	text-decoration: underline;
}

.sarc-chat-input-area {
	display: flex;
	gap: 8px;
	padding: 12px 16px;
	border-top: 1px solid var(--sarc-border);
	flex-shrink: 0;
	background: var(--sarc-bg);
}

.sarc-chat-input {
	flex: 1;
	padding: 10px 14px;
	border: 1px solid var(--sarc-border);
	border-radius: 24px;
	font-size: 14px;
	outline: none;
	resize: none;
	font-family: inherit;
	line-height: 1.4;
	max-height: 80px;
}

.sarc-chat-input:focus {
	border-color: var(--sarc-primary);
	box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

.sarc-chat-send {
	width: 40px;
	height: 40px;
	border-radius: 50%;
	background: var(--sarc-primary);
	color: #fff;
	border: none;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	transition: background 0.2s;
}

.sarc-chat-send:hover:not(:disabled) {
	background: var(--sarc-primary-dark);
}

.sarc-chat-send:disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

.sarc-chat-send svg {
	width: 18px;
	height: 18px;
	fill: currentColor;
}

@media (max-width: 480px) {
	.sarc-chat-root[data-sarc-mode="floating"] .sarc-chat-panel {
		bottom: 0;
		right: 0;
		left: 0;
		width: 100%;
		max-width: 100%;
		height: 100%;
		max-height: 100%;
		border-radius: 0;
	}

	.sarc-chat-root[data-sarc-mode="floating"] .sarc-chat-toggle {
		bottom: 16px;
		right: 16px;
	}
}