#nadia-chatbot-root {
	--nadia-brand: #1a5bd6;
	--nadia-brand-soft: #eef4ff;
	--nadia-bg: #ffffff;
	--nadia-muted: #64748b;
	--nadia-text: #0f172a;
	--nadia-border: #e2e8f0;
	--nadia-panel-bg: #f8fafc;
	--nadia-green: #22c55e;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
	line-height: 1.5;
}

#nadia-chatbot-root *,
#nadia-chatbot-root *::before,
#nadia-chatbot-root *::after {
	box-sizing: border-box;
}

/* ── Launcher (bottom-right) ── */
.nadia-launcher,
.nadia-chat-panel {
	position: fixed;
	right: 24px;
	z-index: 99999;
}

.nadia-launcher {
	bottom: 24px;
	display: flex;
	flex-direction: column;
	align-items: flex-end;
	gap: 12px;
	pointer-events: none;
}

.nadia-launcher.hidden {
	display: none;
}

.nadia-launcher-row {
	display: flex;
	align-items: center;
	gap: 12px;
	pointer-events: auto;
}

/* Hint bubble */
.nadia-hint {
	display: flex;
	align-items: center;
	gap: 8px;
	max-width: 280px;
	padding: 10px 14px;
	background: var(--nadia-bg);
	border: 1px solid var(--nadia-border);
	border-radius: 16px;
	border-bottom-right-radius: 4px;
	box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
	font-size: 13px;
	font-weight: 500;
	color: var(--nadia-text);
	pointer-events: auto;
	animation: nadia-fade-in 0.3s ease;
}

.nadia-hint.hidden {
	display: none;
}

.nadia-hint button {
	border: 0;
	background: none;
	color: var(--nadia-muted);
	cursor: pointer;
	padding: 0 0 0 4px;
	font-size: 14px;
	line-height: 1;
}

.nadia-sparkle {
	width: 14px;
	height: 14px;
	flex-shrink: 0;
	color: var(--nadia-brand);
	animation: nadia-pulse 2s ease infinite;
}

.nadia-sparkle-sm {
	width: 10px;
	height: 10px;
	color: var(--nadia-brand);
	vertical-align: -1px;
	margin-right: 2px;
}

/* Ask Nadia badge */
.nadia-ask-badge {
	display: none;
	padding: 6px 12px;
	border-radius: 999px;
	background: var(--nadia-brand);
	color: #fff;
	font-size: 11px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	box-shadow: 0 4px 14px rgba(26, 91, 214, 0.35);
}

@media (min-width: 640px) {
	.nadia-ask-badge {
		display: block;
	}
}

/* FAB — avatar + green dot */
.nadia-chat-fab {
	position: relative;
	width: 56px;
	height: 56px;
	border: 0;
	border-radius: 999px;
	background: transparent;
	cursor: pointer;
	padding: 0;
	transition: transform 0.2s ease;
}

@media (min-width: 640px) {
	.nadia-chat-fab {
		width: 64px;
		height: 64px;
	}
}

.nadia-chat-fab:hover {
	transform: scale(1.05) translateY(-2px);
}

.nadia-fab-ping {
	position: absolute;
	inset: 0;
	border-radius: 999px;
	background: rgba(26, 91, 214, 0.2);
	animation: nadia-ping 2s cubic-bezier(0, 0, 0.2, 1) infinite;
	pointer-events: none;
}

/* Avatar + online dot */
.nadia-avatar-wrap {
	position: relative;
	display: block;
	border-radius: 999px;
	overflow: visible;
	background: #fff;
	flex-shrink: 0;
}

.nadia-avatar-wrap img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	border-radius: 999px;
	display: block;
}

.nadia-avatar-lg {
	width: 56px;
	height: 56px;
	border: 2px solid var(--nadia-brand);
	box-shadow: 0 10px 40px rgba(26, 91, 214, 0.35);
}

@media (min-width: 640px) {
	.nadia-avatar-lg {
		width: 64px;
		height: 64px;
	}
}

.nadia-avatar-md {
	width: 40px;
	height: 40px;
}

.nadia-avatar-sm {
	width: 32px;
	height: 32px;
	margin-top: 2px;
}

.nadia-avatar-fallback {
	display: grid;
	place-items: center;
	background: linear-gradient(135deg, var(--nadia-brand), #2d7a5f);
	color: #fff;
	font-weight: 700;
}

.nadia-online-dot {
	position: absolute;
	bottom: 0;
	right: 0;
	width: 14px;
	height: 14px;
	border-radius: 999px;
	background: var(--nadia-green);
	border: 2px solid #fff;
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.nadia-online-dot-sm {
	width: 10px;
	height: 10px;
	border-width: 2px;
}

/* ── Chat panel ── */
.nadia-chat-panel {
	bottom: 24px;
	width: min(380px, calc(100vw - 48px));
	height: min(600px, calc(100vh - 100px));
	background: rgba(255, 255, 255, 0.97);
	border: 1px solid var(--nadia-border);
	border-radius: 16px;
	overflow: hidden;
	box-shadow: 0 20px 60px -15px rgba(0, 0, 0, 0.15);
	backdrop-filter: blur(12px);
	display: flex;
	flex-direction: column;
}

.nadia-chat-panel.hidden {
	display: none;
}

.nadia-chat-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 16px;
	border-bottom: 1px solid var(--nadia-border);
	background: var(--nadia-bg);
	flex-shrink: 0;
}

.nadia-header-left {
	display: flex;
	align-items: center;
	gap: 12px;
	min-width: 0;
}

.nadia-chat-header-text h3 {
	margin: 0;
	font-size: 15px;
	font-weight: 600;
	line-height: 1.2;
	color: var(--nadia-text);
}

.nadia-chat-header-text p {
	margin: 4px 0 0;
	display: flex;
	align-items: center;
	gap: 2px;
	font-size: 11px;
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: 0.1em;
	color: var(--nadia-muted);
}

.nadia-chat-close {
	border: 0;
	background: transparent;
	color: var(--nadia-muted);
	width: 32px;
	height: 32px;
	border-radius: 999px;
	cursor: pointer;
	font-size: 18px;
	line-height: 1;
	display: grid;
	place-items: center;
}

.nadia-chat-close:hover {
	background: var(--nadia-panel-bg);
	color: var(--nadia-text);
}

/* Messages */
.nadia-chat-messages {
	flex: 1;
	overflow-y: auto;
	padding: 16px;
	background: var(--nadia-panel-bg);
	scroll-behavior: smooth;
}

.nadia-chat-row {
	display: flex;
	gap: 12px;
	margin-bottom: 16px;
}

.nadia-chat-row.user {
	flex-direction: row-reverse;
}

.nadia-chat-msg {
	max-width: 85%;
	padding: 12px 14px;
	border-radius: 16px;
	font-size: 14px;
	line-height: 1.55;
	word-break: break-word;
}

.nadia-chat-msg.user {
	background: var(--nadia-brand);
	color: #fff;
	border-bottom-right-radius: 4px;
	white-space: pre-wrap;
}

.nadia-chat-msg.assistant {
	background: var(--nadia-bg);
	color: var(--nadia-text);
	border: 1px solid var(--nadia-border);
	border-bottom-left-radius: 4px;
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.nadia-welcome-msg {
	font-size: 14px;
}

.nadia-chat-msg.assistant p {
	margin: 0 0 8px;
}

.nadia-chat-msg.assistant p:last-child {
	margin-bottom: 0;
}

.nadia-chat-msg.assistant ul,
.nadia-chat-msg.assistant ol {
	margin: 0 0 8px;
	padding-left: 18px;
}

.nadia-chat-msg.assistant a {
	color: var(--nadia-brand);
	text-decoration: underline;
	text-underline-offset: 2px;
	font-weight: 500;
}

.nadia-section-label {
	margin: 12px 0 6px;
	font-size: 11px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--nadia-muted);
}

/* Suggested questions — vertical cards */
.nadia-chat-suggestions-label {
	margin: 8px 0 8px 4px;
	font-size: 11px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--nadia-muted);
}

.nadia-chat-suggestions {
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.nadia-suggestion-card {
	width: 100%;
	text-align: left;
	padding: 12px;
	border: 1px solid var(--nadia-border);
	border-radius: 12px;
	background: var(--nadia-bg);
	font-size: 13px;
	color: var(--nadia-text);
	cursor: pointer;
	transition: border-color 0.15s, background 0.15s;
}

.nadia-suggestion-card:hover {
	border-color: rgba(26, 91, 214, 0.4);
	background: var(--nadia-brand-soft);
}

/* Related pages */
.nadia-suggested-pages {
	margin-top: 10px;
	padding-top: 10px;
	border-top: 1px solid rgba(226, 232, 240, 0.8);
}

.nadia-suggested-pages-label {
	margin: 0 0 8px;
	font-size: 11px;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: var(--nadia-muted);
}

.nadia-suggested-page {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 8px;
	padding: 8px 10px;
	margin-bottom: 6px;
	border: 1px solid var(--nadia-border);
	border-radius: 8px;
	background: var(--nadia-brand-soft);
	font-size: 12px;
	font-weight: 500;
	color: var(--nadia-text);
	text-decoration: none;
	transition: border-color 0.15s;
}

.nadia-suggested-page:hover {
	border-color: var(--nadia-brand);
}

.nadia-suggested-page span:last-child {
	color: var(--nadia-brand);
	flex-shrink: 0;
}

/* Thinking indicator */
.nadia-thinking {
	display: flex;
	align-items: center;
	gap: 8px;
}

.nadia-thinking em {
	font-style: italic;
	color: var(--nadia-muted);
	font-size: 13px;
}

.nadia-spinner {
	width: 16px;
	height: 16px;
	border: 2px solid var(--nadia-brand);
	border-top-color: transparent;
	border-radius: 999px;
	animation: nadia-spin 0.8s linear infinite;
	flex-shrink: 0;
}

/* Composer */
.nadia-chat-composer {
	flex-shrink: 0;
	border-top: 1px solid var(--nadia-border);
	background: var(--nadia-bg);
	padding: 16px;
}

.nadia-chat-form {
	display: flex;
	align-items: flex-end;
	gap: 8px;
	padding: 8px 12px;
	border: 1px solid var(--nadia-border);
	border-radius: 16px;
	background: rgba(248, 250, 252, 0.8);
	transition: border-color 0.15s, box-shadow 0.15s;
}

.nadia-chat-form:focus-within {
	border-color: rgba(26, 91, 214, 0.5);
	box-shadow: 0 0 0 4px rgba(26, 91, 214, 0.05);
}

.nadia-chat-form textarea {
	flex: 1;
	resize: none;
	min-height: 40px;
	max-height: 120px;
	border: 0;
	padding: 8px 0;
	font: inherit;
	font-size: 14px;
	line-height: 1.45;
	outline: none;
	background: transparent;
	color: var(--nadia-text);
}

.nadia-chat-form textarea::placeholder {
	color: #94a3b8;
}

.nadia-chat-form button[type="submit"] {
	border: 0;
	border-radius: 12px;
	width: 40px;
	height: 40px;
	background: var(--nadia-muted);
	color: #fff;
	cursor: pointer;
	display: grid;
	place-items: center;
	flex-shrink: 0;
	transition: background 0.15s, opacity 0.15s;
}

.nadia-chat-form button[type="submit"]:not(:disabled) {
	background: var(--nadia-brand);
}

.nadia-chat-form button[type="submit"]:hover:not(:disabled) {
	opacity: 0.9;
}

.nadia-chat-form button[type="submit"]:disabled {
	cursor: not-allowed;
	opacity: 0.5;
}

.nadia-chat-form button svg {
	width: 18px;
	height: 18px;
}

.nadia-chat-footer {
	margin: 6px 0 0;
	text-align: center;
	font-size: 10px;
	color: var(--nadia-muted);
}

/* Animations */
@keyframes nadia-ping {
	0% { transform: scale(1); opacity: 0.8; }
	75%, 100% { transform: scale(1.4); opacity: 0; }
}

@keyframes nadia-pulse {
	0%, 100% { opacity: 1; }
	50% { opacity: 0.5; }
}

@keyframes nadia-fade-in {
	from { opacity: 0; transform: translateY(8px) scale(0.95); }
	to { opacity: 1; transform: translateY(0) scale(1); }
}

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

@media (max-width: 480px) {
	.nadia-launcher,
	.nadia-chat-panel {
		right: 12px;
	}

	.nadia-launcher {
		bottom: 12px;
	}

	.nadia-chat-panel {
		bottom: 12px;
		width: calc(100vw - 24px);
		height: calc(100vh - 80px);
	}
}