/**
 * SmartAdvisor — Frontend Styles
 *
 * Modern chat-bubble UI with animated transitions,
 * progress bar, option cards, and product recommendation cards.
 *
 * CSS custom properties are overridden at runtime via JS
 * based on admin settings (primary colour, dark mode).
 */

/* ============================================================
   CSS Custom Properties
   ============================================================ */
:root {
	--sa-primary: #4F46E5;
	--sa-primary-hover: #4338CA;
	--sa-primary-light: #EEF2FF;
	--sa-bg: #ffffff;
	--sa-bg-secondary: #f9fafb;
	--sa-text: #111827;
	--sa-text-secondary: #6b7280;
	--sa-border: #e5e7eb;
	--sa-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
	--sa-radius: 16px;
	--sa-radius-sm: 10px;
	--sa-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
	--sa-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode */
.smart-advisor-dark {
	--sa-bg: #1f2937;
	--sa-bg-secondary: #374151;
	--sa-text: #f9fafb;
	--sa-text-secondary: #9ca3af;
	--sa-border: #4b5563;
	--sa-primary-light: #312e81;
	--sa-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}

/* ============================================================
   Floating Action Button (FAB)
   ============================================================ */
.smart-advisor-floating {
	position: fixed;
	bottom: 24px;
	right: 24px;
	z-index: 999999;
	font-family: var(--sa-font);
}

.smart-advisor-fab {
	width: 60px;
	height: 60px;
	border-radius: 50%;
	background: var(--sa-primary);
	color: #fff;
	border: none;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: 0 4px 20px rgba(79, 70, 229, 0.4);
	transition: transform var(--sa-transition), box-shadow var(--sa-transition);
}

.smart-advisor-fab:hover {
	transform: scale(1.08);
	box-shadow: 0 6px 28px rgba(79, 70, 229, 0.55);
}

.smart-advisor-fab:active {
	transform: scale(0.95);
}

.smart-advisor-fab svg {
	width: 26px;
	height: 26px;
}

.smart-advisor-fab-hidden {
	display: none;
}

/* ============================================================
   Panel Container
   ============================================================ */
.smart-advisor-panel {
	background: var(--sa-bg);
	border-radius: var(--sa-radius);
	box-shadow: var(--sa-shadow);
	display: flex;
	flex-direction: column;
	overflow: hidden;
	border: 1px solid var(--sa-border);
	font-family: var(--sa-font);
	color: var(--sa-text);
}

.smart-advisor-floating .smart-advisor-panel {
	position: fixed;
	bottom: 96px;
	right: 24px;
	width: 400px;
	max-height: 600px;
	animation: saSlideUp var(--sa-transition) forwards;
}

.smart-advisor-panel-hidden {
	display: none !important;
}

.smart-advisor-inline .smart-advisor-panel {
	width: 100%;
	max-width: 500px;
	margin: 20px auto;
	max-height: 700px;
}

/* Slide-up animation */
@keyframes saSlideUp {
	from {
		opacity: 0;
		transform: translateY(20px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* ============================================================
   Header
   ============================================================ */
.smart-advisor-header {
	background: var(--sa-primary);
	color: #fff;
	padding: 16px 20px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-shrink: 0;
}

.smart-advisor-title {
	margin: 0;
	font-size: 16px;
	font-weight: 600;
	line-height: 1.3;
}

.smart-advisor-close {
	background: none;
	border: none;
	color: #fff;
	font-size: 24px;
	cursor: pointer;
	padding: 0;
	line-height: 1;
	opacity: 0.8;
	transition: opacity var(--sa-transition);
}

.smart-advisor-close:hover {
	opacity: 1;
}

/* ============================================================
   Progress Bar
   ============================================================ */
.smart-advisor-progress {
	padding: 12px 20px 4px;
	flex-shrink: 0;
}

.smart-advisor-progress-bar {
	height: 6px;
	background: var(--sa-border);
	border-radius: 3px;
	overflow: hidden;
}

.smart-advisor-progress-fill {
	height: 100%;
	background: var(--sa-primary);
	border-radius: 3px;
	transition: width 0.5s ease;
}

.smart-advisor-progress-text {
	display: block;
	font-size: 12px;
	color: var(--sa-text-secondary);
	margin-top: 4px;
	text-align: right;
}

/* ============================================================
   Body / Messages
   ============================================================ */
.smart-advisor-body {
	flex: 1;
	overflow-y: auto;
	padding: 16px 20px;
	scroll-behavior: smooth;
}

.smart-advisor-body::-webkit-scrollbar {
	width: 5px;
}

.smart-advisor-body::-webkit-scrollbar-track {
	background: transparent;
}

.smart-advisor-body::-webkit-scrollbar-thumb {
	background: var(--sa-border);
	border-radius: 3px;
}

/* ============================================================
   Message Bubbles
   ============================================================ */
.sa-message {
	margin-bottom: 16px;
	animation: saFadeIn 0.4s ease forwards;
	opacity: 0;
}

@keyframes saFadeIn {
	to {
		opacity: 1;
	}
}

.sa-message-bot {
	display: flex;
	gap: 10px;
	align-items: flex-start;
}

.sa-message-avatar {
	width: 34px;
	height: 34px;
	border-radius: 50%;
	background: var(--sa-primary);
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	color: #fff;
	font-size: 14px;
	font-weight: 700;
}

.sa-message-bubble {
	background: var(--sa-bg-secondary);
	padding: 12px 16px;
	border-radius: 4px var(--sa-radius-sm) var(--sa-radius-sm) var(--sa-radius-sm);
	max-width: 85%;
	font-size: 14px;
	line-height: 1.5;
	border: 1px solid var(--sa-border);
	box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.sa-message-user {
	display: flex;
	justify-content: flex-end;
}

.sa-message-user .sa-message-bubble {
	background: var(--sa-primary);
	color: #fff;
	border: 1px solid var(--sa-primary-hover);
	border-radius: var(--sa-radius-sm) 4px var(--sa-radius-sm) var(--sa-radius-sm);
}

/* ============================================================
   Option Cards
   ============================================================ */
.sa-options {
	display: flex;
	flex-direction: column;
	gap: 8px;
	margin-top: 12px;
}

.sa-option-btn {
	display: block;
	width: 100%;
	padding: 12px 16px;
	background: var(--sa-bg);
	border: 2px solid var(--sa-border);
	border-radius: var(--sa-radius-sm);
	font-size: 14px;
	font-weight: 500;
	color: var(--sa-text);
	cursor: pointer;
	text-align: left;
	transition: border-color var(--sa-transition), background var(--sa-transition), transform 0.15s ease;
	font-family: var(--sa-font);
}

.sa-option-btn:hover {
	border-color: var(--sa-primary);
	background: var(--sa-primary-light);
	transform: translateX(4px);
}

.sa-option-btn:active {
	transform: scale(0.98);
}

.sa-option-btn-selected {
	border-color: var(--sa-primary);
	background: var(--sa-primary-light);
	pointer-events: none;
}

/* ============================================================
   Loading Spinner
   ============================================================ */
.sa-loading {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 12px;
	padding: 24px 0;
}

.sa-spinner {
	width: 36px;
	height: 36px;
	border: 3px solid var(--sa-border);
	border-top-color: var(--sa-primary);
	border-radius: 50%;
	animation: saSpin 0.7s linear infinite;
}

@keyframes saSpin {
	to {
		transform: rotate(360deg);
	}
}

.sa-loading-text {
	font-size: 14px;
	color: var(--sa-text-secondary);
}

/* ============================================================
   Product Recommendation Cards
   ============================================================ */
.sa-recommendations {
	margin-top: 12px;
}

.sa-rec-summary {
	font-size: 14px;
	line-height: 1.5;
	margin-bottom: 14px;
	color: var(--sa-text);
}

.sa-product-card {
	display: flex;
	gap: 12px;
	padding: 14px;
	background: var(--sa-bg);
	border: 1px solid var(--sa-border);
	border-radius: var(--sa-radius-sm);
	margin-bottom: 10px;
	transition: box-shadow var(--sa-transition), transform 0.2s ease;
	animation: saFadeIn 0.4s ease forwards;
	opacity: 0;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.sa-product-card:hover {
	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
	transform: translateY(-2px);
	border-color: var(--sa-primary);
}

.sa-product-image {
	width: 80px;
	height: 80px;
	border-radius: 8px;
	object-fit: cover;
	flex-shrink: 0;
	background: var(--sa-bg-secondary);
	border: 1px solid var(--sa-border);
}

.sa-product-image-placeholder {
	width: 80px;
	height: 80px;
	border-radius: 8px;
	background: var(--sa-bg-secondary);
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	color: var(--sa-text-secondary);
	font-size: 28px;
	border: 1px solid var(--sa-border);
}

.sa-product-info {
	flex: 1;
	min-width: 0;
}

.sa-product-title {
	font-size: 14px;
	font-weight: 600;
	margin: 0 0 4px;
	line-height: 1.3;
	color: var(--sa-text);
}

.sa-product-price {
	font-size: 15px;
	font-weight: 700;
	color: var(--sa-primary);
	margin-bottom: 4px;
}

.sa-product-reason {
	font-size: 12px;
	color: var(--sa-text-secondary);
	line-height: 1.4;
	margin-bottom: 8px;
}

.sa-product-buttons {
	display: flex;
	gap: 6px;
	flex-wrap: wrap;
}

.sa-product-link {
	display: inline-block;
	font-size: 12px;
	font-weight: 600;
	color: var(--sa-primary);
	text-decoration: none;
	padding: 5px 12px;
	border: 1px solid var(--sa-primary);
	border-radius: 6px;
	transition: all var(--sa-transition);
}

.sa-product-link:hover {
	background: var(--sa-primary);
	color: #fff;
	text-decoration: none;
}

.sa-product-cart-btn {
	display: inline-block;
	font-size: 12px;
	font-weight: 600;
	color: #fff;
	background: var(--sa-primary);
	text-decoration: none;
	padding: 5px 12px;
	border: 1px solid var(--sa-primary);
	border-radius: 6px;
	cursor: pointer;
	font-family: var(--sa-font);
	transition: all var(--sa-transition);
}

.sa-product-cart-btn:hover {
	background: var(--sa-primary-hover);
	border-color: var(--sa-primary-hover);
	color: #fff;
	text-decoration: none;
}

/* ============================================================
   Footer
   ============================================================ */
.smart-advisor-footer {
	padding: 10px 20px;
	border-top: 1px solid var(--sa-border);
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-shrink: 0;
}

.smart-advisor-restart {
	background: none;
	border: 1px solid var(--sa-border);
	border-radius: 6px;
	padding: 6px 14px;
	font-size: 13px;
	color: var(--sa-text-secondary);
	cursor: pointer;
	font-family: var(--sa-font);
	transition: border-color var(--sa-transition), color var(--sa-transition);
}

.smart-advisor-restart:hover {
	border-color: var(--sa-primary);
	color: var(--sa-primary);
}

.smart-advisor-powered {
	font-size: 11px;
	color: var(--sa-text-secondary);
	opacity: 0.6;
}

/* ============================================================
   Error
   ============================================================ */
.sa-error {
	padding: 12px 16px;
	background: #fef2f2;
	border: 1px solid #fecaca;
	border-radius: var(--sa-radius-sm);
	color: #991b1b;
	font-size: 13px;
	margin-top: 8px;
}

.smart-advisor-dark .sa-error {
	background: #451a1a;
	border-color: #7f1d1d;
	color: #fca5a5;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 480px) {
	.smart-advisor-floating .smart-advisor-panel {
		width: calc(100vw - 24px);
		right: 12px;
		bottom: 84px;
		max-height: calc(100vh - 120px);
	}

	.smart-advisor-floating {
		bottom: 16px;
		right: 16px;
	}

	.smart-advisor-fab {
		width: 52px;
		height: 52px;
	}
}