/**
 * Navchitra AI Chatbot — frontend styles.
 * All colours/spacing exposed as CSS custom properties for easy re-branding.
 */

#ncd-ai-chatbot-root {
	/* Matched from Navchitra Designs logo (blue + green hexagon mark). */
	--ncd-ai-primary: #1878b4;
	--ncd-ai-primary-dark: #0f5a8c;
	--ncd-ai-accent: #3ca455;
	--ncd-ai-bg: #ffffff;
	--ncd-ai-bg-soft: #f2f8fb;
	--ncd-ai-text: #1f2733;
	--ncd-ai-text-muted: #6b7280;
	--ncd-ai-border: #d9e8f2;
	--ncd-ai-user-bubble: #1878b4;
	--ncd-ai-user-text: #ffffff;
	--ncd-ai-bot-bubble: #e9f3f9;
	--ncd-ai-bot-text: #1f2733;
	--ncd-ai-radius: 16px;
	--ncd-ai-shadow: 0 12px 32px rgba(15, 90, 140, 0.2);
	--ncd-ai-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

	position: fixed;
	inset: auto 20px 20px auto;
	z-index: 999999;
	font-family: var(--ncd-ai-font);
	line-height: 1.45;
}

#ncd-ai-chatbot-root * {
	box-sizing: border-box;
}

/* Floating launcher button */
#ncd-ai-chatbot-root .ncd-ai-launcher {
	width: 60px !important;
	height: 60px !important;
	min-width: 60px !important;
	max-width: 60px !important;
	padding: 0 !important;
	margin: 0 !important;
	border-radius: 50% !important;
	background: linear-gradient(145deg, var(--ncd-ai-primary), var(--ncd-ai-primary-dark) 70%, var(--ncd-ai-accent) 140%) !important;
	color: #fff;
	border: none !important;
	box-shadow: var(--ncd-ai-shadow);
	cursor: pointer;
	display: flex !important;
	align-items: center !important;
	justify-content: center !important;
	transition: transform 0.15s ease;
	line-height: 1 !important;
	appearance: none !important;
	-webkit-appearance: none !important;
	flex-shrink: 0 !important;
}

.ncd-ai-launcher:hover {
	transform: scale(1.05);
}

.ncd-ai-launcher:focus-visible {
	outline: 3px solid var(--ncd-ai-accent);
	outline-offset: 2px;
}

#ncd-ai-chatbot-root .ncd-ai-launcher svg {
	width: 26px !important;
	height: 26px !important;
	min-width: 26px !important;
	min-height: 26px !important;
	display: block !important;
	flex-shrink: 0;
}

/* Chat panel */
.ncd-ai-panel {
	position: fixed;
	right: 20px;
	bottom: 92px;
	width: 380px;
	max-width: calc(100vw - 40px);
	height: 560px;
	max-height: calc(100vh - 120px);
	background: var(--ncd-ai-bg);
	border-radius: var(--ncd-ai-radius);
	box-shadow: var(--ncd-ai-shadow);
	display: flex;
	flex-direction: column;
	overflow: hidden;
	border: 1px solid var(--ncd-ai-border);
}

.ncd-ai-panel[hidden],
.ncd-ai-launcher[hidden] {
	display: none !important;
}

.ncd-ai-header {
	background: linear-gradient(120deg, var(--ncd-ai-primary-dark), var(--ncd-ai-primary) 60%, var(--ncd-ai-accent) 130%);
	color: #fff;
	padding: 16px 18px;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.ncd-ai-header-text .ncd-ai-title {
	font-weight: 700;
	font-size: 15px;
	margin: 0;
}

.ncd-ai-header-text .ncd-ai-subtitle {
	font-size: 12px;
	opacity: 0.85;
	margin: 2px 0 0;
}

#ncd-ai-chatbot-root .ncd-ai-close-btn {
	background: rgba(255, 255, 255, 0.15) !important;
	border: none !important;
	color: #fff;
	width: 30px !important;
	height: 30px !important;
	min-width: 30px !important;
	max-width: 30px !important;
	padding: 0 !important;
	margin: 0 !important;
	border-radius: 50% !important;
	cursor: pointer;
	display: flex !important;
	align-items: center !important;
	justify-content: center !important;
	font-size: 16px;
	line-height: 1 !important;
	appearance: none !important;
	-webkit-appearance: none !important;
	flex-shrink: 0 !important;
}

.ncd-ai-close-btn:hover {
	background: rgba(255, 255, 255, 0.28);
}

.ncd-ai-close-btn:focus-visible {
	outline: 2px solid #fff;
	outline-offset: 2px;
}

/* Messages */
.ncd-ai-messages {
	flex: 1;
	overflow-y: auto;
	padding: 16px;
	background: var(--ncd-ai-bg-soft);
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.ncd-ai-msg {
	max-width: 82%;
	padding: 10px 13px;
	border-radius: 14px;
	font-size: 13.5px;
	white-space: pre-wrap;
	word-wrap: break-word;
}

.ncd-ai-msg-bot {
	align-self: flex-start;
	background: var(--ncd-ai-bot-bubble);
	color: var(--ncd-ai-bot-text);
	border-bottom-left-radius: 4px;
}

.ncd-ai-msg-user {
	align-self: flex-end;
	background: var(--ncd-ai-user-bubble);
	color: var(--ncd-ai-user-text);
	border-bottom-right-radius: 4px;
}

.ncd-ai-msg-error {
	align-self: flex-start;
	background: #fbe1e1;
	color: #8a1f1f;
}

.ncd-ai-typing {
	align-self: flex-start;
	display: flex;
	gap: 4px;
	padding: 10px 13px;
	background: var(--ncd-ai-bot-bubble);
	border-radius: 14px;
	border-bottom-left-radius: 4px;
}

.ncd-ai-typing span {
	width: 6px;
	height: 6px;
	background: var(--ncd-ai-text-muted);
	border-radius: 50%;
	display: inline-block;
	animation: ncd-ai-bounce 1.2s infinite ease-in-out;
}

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

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

@keyframes ncd-ai-bounce {
	0%, 60%, 100% { transform: translateY(0); opacity: 0.6; }
	30% { transform: translateY(-4px); opacity: 1; }
}

/* Lead prompt / CTA */
.ncd-ai-cta-row {
	padding: 0 16px 10px;
	background: var(--ncd-ai-bg-soft);
}

.ncd-ai-cta-btn {
	width: 100%;
	background: var(--ncd-ai-bg);
	border: 1px solid var(--ncd-ai-primary);
	color: var(--ncd-ai-primary);
	padding: 9px 12px;
	border-radius: 10px;
	font-size: 13px;
	font-weight: 600;
	cursor: pointer;
}

.ncd-ai-cta-btn:hover {
	background: var(--ncd-ai-primary);
	color: #fff;
}

/* Input row */
#ncd-ai-chatbot-root .ncd-ai-input-row {
	display: flex !important;
	flex-wrap: nowrap !important;
	align-items: flex-end;
	gap: 8px;
	padding: 12px;
	border-top: 1px solid var(--ncd-ai-border);
	background: var(--ncd-ai-bg);
}

.ncd-ai-input-row textarea {
	flex: 1;
	resize: none;
	max-height: 90px;
	min-height: 38px;
	border: 1px solid var(--ncd-ai-border);
	border-radius: 12px;
	padding: 9px 12px;
	font-size: 13.5px;
	font-family: inherit;
	color: var(--ncd-ai-text);
}

.ncd-ai-input-row textarea:focus-visible {
	outline: 2px solid var(--ncd-ai-primary);
	outline-offset: 1px;
}

#ncd-ai-chatbot-root .ncd-ai-send-btn {
	background: var(--ncd-ai-primary) !important;
	color: #fff;
	border: none !important;
	width: 38px !important;
	height: 38px !important;
	min-width: 38px !important;
	max-width: 38px !important;
	padding: 0 !important;
	margin: 0 !important;
	border-radius: 50% !important;
	cursor: pointer;
	display: flex !important;
	align-items: center !important;
	justify-content: center !important;
	flex-shrink: 0 !important;
	flex-grow: 0 !important;
	line-height: 1 !important;
	appearance: none !important;
	-webkit-appearance: none !important;
	box-sizing: border-box !important;
}

#ncd-ai-chatbot-root .ncd-ai-send-btn svg {
	width: 18px !important;
	height: 18px !important;
	min-width: 18px !important;
	min-height: 18px !important;
	display: block !important;
	flex-shrink: 0;
	pointer-events: none;
}

.ncd-ai-send-btn:hover {
	background: var(--ncd-ai-primary-dark) !important;
}

.ncd-ai-send-btn:disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

.ncd-ai-send-btn:focus-visible {
	outline: 2px solid var(--ncd-ai-primary-dark);
	outline-offset: 2px;
}

/* Lead form */
.ncd-ai-lead-form {
	padding: 14px 16px;
	background: var(--ncd-ai-bg);
	border-top: 1px solid var(--ncd-ai-border);
	overflow-y: auto;
	max-height: 100%;
}

.ncd-ai-lead-form h3 {
	margin: 0 0 4px;
	font-size: 14px;
	color: var(--ncd-ai-text);
}

.ncd-ai-lead-form p.ncd-ai-lead-sub {
	margin: 0 0 12px;
	font-size: 12px;
	color: var(--ncd-ai-text-muted);
}

.ncd-ai-field {
	margin-bottom: 10px;
}

.ncd-ai-field label {
	display: block;
	font-size: 12px;
	font-weight: 600;
	margin-bottom: 4px;
	color: var(--ncd-ai-text);
}

.ncd-ai-field input,
.ncd-ai-field select,
.ncd-ai-field textarea {
	width: 100%;
	border: 1px solid var(--ncd-ai-border);
	border-radius: 8px;
	padding: 8px 10px;
	font-size: 13px;
	font-family: inherit;
	color: var(--ncd-ai-text);
}

.ncd-ai-field textarea {
	resize: vertical;
	min-height: 60px;
}

.ncd-ai-field input:focus-visible,
.ncd-ai-field select:focus-visible,
.ncd-ai-field textarea:focus-visible {
	outline: 2px solid var(--ncd-ai-primary);
	outline-offset: 1px;
}

.ncd-ai-lead-actions {
	display: flex;
	gap: 8px;
	margin-top: 12px;
}

.ncd-ai-lead-submit {
	flex: 1;
	background: var(--ncd-ai-primary);
	color: #fff;
	border: none;
	padding: 10px;
	border-radius: 10px;
	font-weight: 600;
	font-size: 13px;
	cursor: pointer;
}

.ncd-ai-lead-submit:hover {
	background: var(--ncd-ai-primary-dark);
}

.ncd-ai-lead-submit:disabled {
	opacity: 0.6;
	cursor: not-allowed;
}

.ncd-ai-lead-cancel {
	background: transparent;
	border: 1px solid var(--ncd-ai-border);
	color: var(--ncd-ai-text-muted);
	padding: 10px 14px;
	border-radius: 10px;
	font-size: 13px;
	cursor: pointer;
}

.ncd-ai-form-error {
	color: #a3242c;
	font-size: 12px;
	margin: 6px 0 0;
}

.ncd-ai-form-success {
	text-align: center;
	padding: 30px 16px;
}

.ncd-ai-form-success .ncd-ai-success-icon {
	font-size: 34px;
	margin-bottom: 10px;
}

.ncd-ai-sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

/* Mobile responsiveness */
@media (max-width: 480px) {
	#ncd-ai-chatbot-root {
		inset: auto 12px 12px auto;
	}

	.ncd-ai-panel {
		right: 0;
		left: 0;
		bottom: 0;
		width: 100vw;
		max-width: 100vw;
		height: 100vh;
		max-height: 100vh;
		border-radius: 0;
		border: none;
	}

	.ncd-ai-launcher {
		width: 56px;
		height: 56px;
	}
}