/**
 * AI Chat Bot Widget Styles
 *
 * Three-stage progressive disclosure: launcher → input bar → panel.
 * Exit-intent modal overlay. Dark mode support. Responsive.
 *
 * @package Malachy_Portfolio
 * @since 1.2.0
 */

/* ==========================================================================
   CSS Custom Properties — mapped to theme design system
   ========================================================================== */
.ai-chatbot {
	--cb-accent: var(--primary, #BD2222);
	--cb-accent-rgb: 189, 34, 34;
	--cb-surface: var(--card, #ffffff);
	--cb-bg: var(--background, #f5f0eb);
	--cb-text: var(--foreground, #1a1a1a);
	--cb-muted: var(--muted-foreground, #6b6b6b);
	--cb-border: var(--border, #e5e7eb);
	--cb-radius: var(--radius, 1rem);
	--cb-shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.08);
	--cb-shadow-md: 0 8px 32px rgba(0, 0, 0, 0.12);
	--cb-shadow-lg: 0 20px 60px -12px rgba(0, 0, 0, 0.35);
	--cb-glow: rgba(var(--cb-accent-rgb), 0.25);
	--cb-glow-strong: rgba(var(--cb-accent-rgb), 0.45);
}

/* Dark mode via .dark class or media query */
.dark .ai-chatbot,
@media (prefers-color-scheme: dark) {
	.ai-chatbot {
		--cb-surface: var(--card, #1a1b23);
		--cb-bg: var(--background, #0f0f12);
		--cb-text: var(--foreground, #e6edf3);
		--cb-muted: var(--muted-foreground, #9ca3af);
		--cb-border: var(--border, #2d2d3d);
	}
}

/* ==========================================================================
   Launcher Button (Stage 1)
   ========================================================================== */
.ai-chatbot-launcher {
	position: fixed;
	bottom: 24px;
	right: 24px;
	z-index: 9999;
	width: 52px;
	height: 52px;
	border-radius: 50%;
	border: none;
	cursor: pointer;
	background: var(--cb-surface);
	color: var(--cb-text);
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: 0 0 0 1px var(--cb-border), 0 8px 28px -6px rgba(0,0,0,0.2);
	transition: all 0.2s ease;
}

.ai-chatbot-launcher:hover {
	transform: scale(1.05);
	box-shadow: 0 0 0 1px var(--cb-accent), 0 12px 36px -6px rgba(0,0,0,0.25);
	color: var(--cb-accent);
}

.ai-chatbot-launcher-bg {
	position: absolute;
	inset: 0;
	border-radius: 50%;
	background: var(--cb-accent);
	opacity: 0.08;
	z-index: -1;
	animation: ai-chatbot-pulse 2s infinite;
}

.ai-chatbot-launcher svg {
	width: 20px;
	height: 20px;
	stroke: currentColor;
	stroke-width: 2.2;
	fill: none;
	stroke-linecap: round;
	stroke-linejoin: round;
	position: relative;
	z-index: 1;
}

@keyframes ai-chatbot-pulse {
	0%, 100% {
		transform: scale(1);
		opacity: 0.08;
	}
	50% {
		transform: scale(1.6);
		opacity: 0.04;
	}
}

/* ==========================================================================
   Input Bar (Stage 2)
   ========================================================================== */
.ai-chatbot-input-bar {
	position: fixed;
	bottom: 24px;
	right: 24px;
	z-index: 9998;
	max-width: calc(100vw - 48px);
	background: color-mix(in srgb, var(--cb-surface) 60%, transparent);
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
	border-radius: 9999px;
	padding: 6px 6px 6px 16px;
	display: flex;
	align-items: center;
	gap: 8px;
	box-shadow: 0 0 0 1px color-mix(in srgb, var(--cb-accent) 10%, var(--cb-border)), 0 8px 24px -8px rgba(0,0,0,0.4);
	transform: translateY(20px) scale(0.95);
	opacity: 0;
	pointer-events: none;
	transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
	width: 320px;
}

.ai-chatbot-input-bar.ai-chatbot-visible {
	transform: translateY(0) scale(1);
	opacity: 1;
	pointer-events: auto;
}

.ai-chatbot-input-bar input {
	flex: 1;
	border: none !important;
	outline: none !important;
	box-shadow: none !important;
	-webkit-appearance: none;
	appearance: none;
	background: transparent;
	color: var(--cb-text);
	font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
	font-size: 14px;
	padding: 6px 0;
	min-width: 0;
}

.ai-chatbot-input-bar input:focus,
.ai-chatbot-input-bar input:focus-visible,
.ai-chatbot-input-bar input:focus-within {
	border: none !important;
	outline: none !important;
	box-shadow: none !important;
}

.ai-chatbot-input-bar input::placeholder {
	color: color-mix(in srgb, var(--cb-muted) 70%, transparent);
}

.ai-chatbot-input-bar:focus-within {
	border-color: color-mix(in srgb, var(--cb-accent) 15%, var(--cb-border));
}

.ai-chatbot-input-bar button.ai-chatbot-send {
	width: 32px;
	height: 32px;
	border-radius: 50%;
	border: none;
	background: var(--cb-accent);
	color: #fff;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: opacity 0.2s ease, transform 0.15s ease;
	flex-shrink: 0;
}

.ai-chatbot-input-bar button.ai-chatbot-send.ai-chatbot-send-disabled {
	opacity: 0.3;
	cursor: default;
	pointer-events: none;
}

.ai-chatbot-input-bar button.ai-chatbot-send.ai-chatbot-send-loading {
	opacity: 0.5;
	cursor: wait;
	pointer-events: none;
	animation: ai-chatbot-send-pulse 1s ease-in-out infinite;
}

@keyframes ai-chatbot-send-pulse {
	0%, 100% { opacity: 0.5; }
	50% { opacity: 0.3; }
}

.ai-chatbot-input-bar button.ai-chatbot-send:not(.ai-chatbot-send-disabled):not(.ai-chatbot-send-loading):hover {
	opacity: 0.85;
	transform: scale(1.05);
}

.ai-chatbot-input-bar button.ai-chatbot-send svg {
	width: 16px;
	height: 16px;
	stroke: currentColor;
	stroke-width: 2.5;
	fill: none;
}

/* ==========================================================================
   Conversation Panel (Stage 3)
   ========================================================================== */
.ai-chatbot-panel {
	position: fixed;
	bottom: 24px;
	right: 24px;
	z-index: 9997;
	width: 380px;
	max-width: calc(100vw - 48px);
	max-height: 400px;
	height: 400px;
	display: flex;
	flex-direction: column;
	background: color-mix(in srgb, var(--cb-surface) 95%, transparent);
	backdrop-filter: blur(12px);
	-webkit-backdrop-filter: blur(12px);
	border: 1px solid var(--cb-border);
	border-radius: 16px;
	box-shadow: 0 20px 60px -12px rgba(0,0,0,0.5);
	transform: translateY(20px) scale(0.95);
	opacity: 0;
	pointer-events: none;
	transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
	overflow: hidden;
}

.ai-chatbot-panel.ai-chatbot-visible {
	transform: translateY(0) scale(1);
	opacity: 1;
	pointer-events: auto;
}

/* Header */
.ai-chatbot-header {
	display: flex;
	align-items: center;
	gap: 6px;
	padding: 6px 10px;
	border-bottom: 1px solid var(--cb-border);
	flex-shrink: 0;
}

.ai-chatbot-header-icon {
	width: 24px;
	height: 24px;
	border-radius: 6px;
	background: color-mix(in srgb, var(--cb-accent) 15%, transparent);
	color: var(--cb-accent);
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
}

.ai-chatbot-header-icon svg {
	width: 14px;
	height: 14px;
	stroke: currentColor;
	stroke-width: 2;
	fill: none;
}

.ai-chatbot-header-title {
	flex: 1;
	font-family: 'Fraunces', ui-serif, Georgia, serif;
	font-size: 15px;
	font-weight: 600;
	color: var(--cb-text);
	letter-spacing: -0.01em;
}

.ai-chatbot-header-new {
	width: 28px;
	height: 28px;
	border-radius: 6px;
	border: none;
	background: transparent;
	color: var(--cb-muted);
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: background 0.15s ease, color 0.15s ease;
	flex-shrink: 0;
	margin-left: auto;
	margin-right: 4px;
}

.ai-chatbot-header-new:hover {
	background: var(--cb-border);
	color: var(--cb-text);
}

.ai-chatbot-header-new svg {
	width: 14px;
	height: 14px;
}

.ai-chatbot-header-close {
	width: 28px;
	height: 28px;
	border-radius: 50%;
	border: none;
	background: transparent;
	color: var(--cb-muted);
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: background 0.15s ease, color 0.15s ease;
	flex-shrink: 0;
}

.ai-chatbot-header-close:hover {
	background: var(--cb-border);
	color: var(--cb-text);
}

.ai-chatbot-header-close svg {
	width: 14px;
	height: 14px;
	stroke: currentColor;
	stroke-width: 2;
	fill: none;
	stroke-linecap: round;
	stroke-linejoin: round;
}

/* Messages Area */
.ai-chatbot-messages {
	flex: 1;
	overflow-y: auto;
	padding: 8px;
	display: flex;
	flex-direction: column;
	gap: 6px;
	scrollbar-width: thin;
	scrollbar-color: var(--cb-border) transparent;
}

.ai-chatbot-messages::-webkit-scrollbar {
	width: 5px;
}

.ai-chatbot-messages::-webkit-scrollbar-thumb {
	background: var(--cb-border);
	border-radius: 10px;
}

/* Individual Messages */
.ai-chatbot-message {
	max-width: 85%;
	padding: 4px 8px;
	font-size: 13px;
	line-height: 1.5;
	word-wrap: break-word;
}

.ai-chatbot-message.ai-chatbot-user {
	align-self: flex-end;
	background: color-mix(in srgb, var(--cb-accent) 15%, transparent);
	color: var(--cb-text);
	border-radius: 12px;
	border-bottom-right-radius: 4px;
}

.ai-chatbot-message.ai-chatbot-bot {
	align-self: flex-start;
	color: var(--cb-text);
	border-radius: 12px;
	border-bottom-left-radius: 4px;
	padding: 6px 10px;
}

/* Markdown elements inside bot messages */
.ai-chatbot-message.ai-chatbot-bot p {
	margin: 0 0 4px 0;
}

.ai-chatbot-message.ai-chatbot-bot p:last-child {
	margin-bottom: 0;
}

.ai-chatbot-message.ai-chatbot-bot h3,
.ai-chatbot-message.ai-chatbot-bot h4 {
	font-family: 'Fraunces', ui-serif, Georgia, serif;
	font-weight: 600;
	color: var(--cb-text);
	margin: 6px 0 3px 0;
	letter-spacing: -0.01em;
}

.ai-chatbot-message.ai-chatbot-bot h3 {
	font-size: 13px;
}

.ai-chatbot-message.ai-chatbot-bot h4 {
	font-size: 12px;
}

.ai-chatbot-message.ai-chatbot-bot strong {
	font-weight: 600;
	color: var(--cb-text);
}

.ai-chatbot-message.ai-chatbot-bot em {
	font-style: italic;
	color: var(--cb-muted);
}

.ai-chatbot-message.ai-chatbot-bot ul {
	margin: 3px 0;
	padding-left: 14px;
}

.ai-chatbot-message.ai-chatbot-bot li {
	margin: 1px 0;
	line-height: 1.4;
}

.ai-chatbot-message.ai-chatbot-bot li::marker {
	color: var(--cb-accent);
}

/* Loading Indicator */
.ai-chatbot-loading {
	display: flex;
	gap: 4px;
	padding: 10px 14px;
	align-self: flex-start;
}

.ai-chatbot-loading .ai-chatbot-dot {
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: var(--cb-muted);
	animation: ai-chatbot-bounce 1.4s infinite ease-in-out both;
}

.ai-chatbot-loading .ai-chatbot-dot:nth-child(1) {
	animation-delay: -0.32s;
}

.ai-chatbot-loading .ai-chatbot-dot:nth-child(2) {
	animation-delay: -0.16s;
}

@keyframes ai-chatbot-bounce {
	0%, 80%, 100% {
		transform: scale(0);
	}
	40% {
		transform: scale(1);
	}
}

/* Empty State / Suggestion Chips */
.ai-chatbot-suggestions {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	padding: 0 16px 8px;
}

.ai-chatbot-suggestion-chip {
	padding: 6px 10px;
	border-radius: 9999px;
	border: 1px solid var(--cb-border);
	background: transparent;
	color: var(--cb-muted);
	font-size: 12px;
	cursor: pointer;
	transition: border-color 0.2s ease, color 0.2s ease;
	font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
}

.ai-chatbot-suggestion-chip:hover {
	border-color: color-mix(in srgb, var(--cb-accent) 40%, var(--cb-border));
	color: var(--cb-accent);
}

/* Panel Input Bar (embedded at bottom) */
.ai-chatbot-panel-input {
	padding: 6px 10px 6px 8px;
	border-top: 1px solid var(--cb-border);
	flex-shrink: 0;
	overflow: hidden;
}

.ai-chatbot-panel-input .ai-chatbot-input-bar {
	width: 100% !important;
	max-width: 100% !important;
	position: static;
	transform: none;
	opacity: 1;
	pointer-events: auto;
	background: color-mix(in srgb, var(--cb-surface) 90%, transparent);
	box-sizing: border-box;
}

/* ==========================================================================
   Exit-Intent Modal
   ========================================================================== */
.ai-chatbot-exit-modal {
	position: fixed;
	inset: 0;
	z-index: 10000;
	background: rgba(0, 0, 0, 0.5);
	backdrop-filter: blur(4px);
	-webkit-backdrop-filter: blur(4px);
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 20px;
	opacity: 0;
	pointer-events: none;
	transition: opacity 0.3s ease;
}

.ai-chatbot-exit-modal.ai-chatbot-visible {
	opacity: 1;
	pointer-events: auto;
}

.ai-chatbot-exit-modal .ai-chatbot-panel {
	position: static;
	width: 420px;
	max-width: 100%;
	max-height: 560px;
	height: auto;
	transform: scale(0.9);
	transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-chatbot-exit-modal.ai-chatbot-visible .ai-chatbot-panel {
	transform: scale(1);
}

/* ==========================================================================
   Lead Capture Inline Form
   ========================================================================== */
.ai-chatbot-lead-form {
	background: color-mix(in srgb, var(--cb-accent) 8%, transparent);
	border: 1px solid color-mix(in srgb, var(--cb-accent) 25%, transparent);
	border-radius: 12px;
	padding: 14px;
	margin-top: 8px;
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.ai-chatbot-lead-form input {
	padding: 10px 12px;
	border-radius: 8px;
	border: 1px solid var(--cb-border);
	background: var(--cb-surface);
	color: var(--cb-text);
	font-size: 14px;
	font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
	outline: none;
}

.ai-chatbot-lead-form input:focus {
	border-color: var(--cb-accent);
	box-shadow: 0 0 0 2px color-mix(in srgb, var(--cb-accent) 20%, transparent);
}

.ai-chatbot-lead-form button {
	padding: 10px 16px;
	border-radius: 8px;
	border: none;
	background: var(--cb-accent);
	color: #fff;
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	transition: opacity 0.2s ease;
	font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
}

.ai-chatbot-lead-form button:hover {
	opacity: 0.9;
}

.ai-chatbot-lead-form .ai-chatbot-lead-cancel {
	background: transparent;
	color: var(--cb-muted);
	border: 1px solid var(--cb-border);
}

.ai-chatbot-lead-form .ai-chatbot-lead-cancel:hover {
	color: var(--cb-text);
	border-color: var(--cb-muted);
}

/* ==========================================================================
   Credit Fallback — Contact prompt
   ========================================================================== */
.ai-chatbot-fallback {
	align-self: flex-start;
	padding: 14px 16px;
	border-radius: 14px;
	background: color-mix(in srgb, var(--cb-accent) 8%, transparent);
	border: 1px solid color-mix(in srgb, var(--cb-accent) 20%, transparent);
	margin-top: 4px;
}

.ai-chatbot-fallback a:hover {
	opacity: 0.9;
}

/* ==========================================================================
   Responsive — Mobile
   ========================================================================== */
@media (max-width: 480px) {
	.ai-chatbot-panel {
		width: 100%;
		max-width: 100vw;
		right: 0;
		left: 0;
		bottom: 0;
		border-radius: 16px 16px 0 0;
		max-height: 80vh;
		height: auto;
	}

	.ai-chatbot-input-bar {
		width: calc(100% - 48px);
	}

	.ai-chatbot-exit-modal .ai-chatbot-panel {
		width: 100%;
		max-height: 80vh;
	}
}

/* ==========================================================================
   Accessibility
   ========================================================================== */
.ai-chatbot-launcher:focus-visible,
.ai-chatbot-input-bar input:focus-visible,
.ai-chatbot-input-bar button:focus-visible,
.ai-chatbot-header-close:focus-visible,
.ai-chatbot-suggestion-chip:focus-visible,
.ai-chatbot-lead-form input:focus-visible,
.ai-chatbot-lead-form button:focus-visible {
	outline: 2px solid var(--cb-accent);
	outline-offset: 2px;
}

/* Reduce motion preference */
@media (prefers-reduced-motion: reduce) {
	.ai-chatbot-launcher,
	.ai-chatbot-input-bar,
	.ai-chatbot-panel,
	.ai-chatbot-exit-modal,
	.ai-chatbot-exit-modal .ai-chatbot-panel {
		animation: none;
		transition: none;
		transform: none;
	}

	.ai-chatbot-loading .ai-chatbot-dot {
		animation: none;
	}
}