/* Book Viewer Styles - Custom Implementation */

* {
	box-sizing: border-box;
}

.book-viewer-wrapper {
	height: 100%;
	display: flex;
	flex-direction: column;
}

.book-viewer {
	display: flex;
	height: 100%;
	background: #fff;
}

.book-right-container {
	width: 100%;
	display: flex;
	min-width: 0;
}

.book-chatbot {
	flex-shrink: 0;
	display: flex;
	flex-direction: column;
}

.resize-handle {
	width: 3px;
	background: var(--border-color);
	cursor: col-resize;
	flex-shrink: 0;
	transition: background 0.2s;
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	align-self: stretch;
}

.resize-handle:hover {
	background: #93c5fd;
}

.resize-handle::before {
	content: '';
	position: absolute;
	left: -4px;
	right: -4px;
	top: 0;
	bottom: 0;
}

/* Sidebar Navigation */
.book-sidebar {
	width: 300px;
	background: #fafafa;
	border-right: 1px solid rgba(0, 0, 0, 0.07);
	overflow-y: auto;
	flex-shrink: 0;
}

.book-sidebar .summary {
	list-style: none;
	margin: 0;
	padding: 0;
}

.book-sidebar .summary li {
	list-style: none;
}

.book-sidebar .summary li.header {
	padding: 10px 15px;
	padding-top: 20px;
	text-transform: uppercase;
	color: #939da3;
	font-size: 0.85em;
	font-weight: 600;
}

.book-sidebar .summary li.divider {
	height: 1px;
	margin: 7px 0;
	overflow: hidden;
	background: rgba(0, 0, 0, 0.07);
}

.book-sidebar .summary li a {
	display: block;
	padding: 10px 15px;
	color: #364149;
	text-decoration: none;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	transition: background-color 0.2s ease;
	font-size: 0.9em;
}

.book-sidebar .summary li a:hover {
	background-color: rgba(0, 0, 0, 0.03);
}

.book-sidebar .summary li.active > a {
	color: #008cff;
	font-weight: 600;
	background-color: rgba(0, 140, 255, 0.05);
}

.book-sidebar .summary li ul {
	padding-left: 20px;
}

/* Search Box */
.book-search {
	padding: 10px;
	background: #fff;
	border-bottom: 1px solid rgba(0, 0, 0, 0.07);
	position: sticky;
	top: 0;
	z-index: 10;
}

.book-search input {
	width: 100%;
	padding: 8px 12px;
	border: 1px solid #ddd;
	border-radius: 4px;
	font-size: 14px;
	transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.book-search input:focus {
	outline: none;
	border-color: #008cff;
	box-shadow: 0 0 0 3px rgba(0, 140, 255, 0.1);
}

/* Main Content Area */
.book-main {
	flex: 1;
	overflow-y: auto;
	padding: 0;
	margin: 0;
	width: 100%;
	display: flex;
	flex-direction: column;
}

.book-content-wrapper {
	flex: 1;
	overflow-y: auto;
	width: 100%;
}

/* Markdown Content Styles */
.book-content {
	line-height: 1.7;
	color: #333;
	font-size: 16px;
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial,
		sans-serif;
	position: relative;
	max-width: 800px;
	margin: 0 auto;
	padding: 20px 15px 40px 15px;
	width: 100%;
}

.book-content h1,
.book-content h2,
.book-content h3,
.book-content h4,
.book-content h5,
.book-content h6 {
	margin-top: 1.5em;
	margin-bottom: 0.75em;
	font-weight: 600;
	line-height: 1.25;
	color: #1a1a1a;
}

.book-content h1:first-child,
.book-content h2:first-child,
.book-content h3:first-child {
	margin-top: 0;
}

.book-content h1 {
	font-size: 2.25em;
	padding-bottom: 0.3em;
	border-bottom: 2px solid #eaecef;
}

.book-content h2 {
	font-size: 1.75em;
	padding-bottom: 0.3em;
	border-bottom: 1px solid #eaecef;
}

.book-content h3 {
	font-size: 1.5em;
}

.book-content h4 {
	font-size: 1.25em;
}

.book-content h5 {
	font-size: 1em;
}

.book-content h6 {
	font-size: 0.875em;
	color: #6a737d;
}

.book-content p {
	margin-top: 0;
	margin-bottom: 1em;
}

.book-content a {
	color: #0366d6;
	text-decoration: none;
}

.book-content a:hover {
	text-decoration: underline;
}

/* Anchor links (internal page links) */
.book-content a[href^='#'] {
	color: #000;
	text-decoration: none;
	position: relative;
}

.book-content a[href^='#']:hover::after {
	content: ' #';
	color: #666;
}

.book-content a[href^='#']:hover {
	text-decoration: none;
}

.book-content ul,
.book-content ol {
	margin-top: 0;
	margin-bottom: 1em;
	padding-left: 2em;
}

.book-content li {
	margin-bottom: 0.25em;
}

.book-content li > p {
	margin-bottom: 0.5em;
}

.book-content code {
	padding: 0.2em 0.4em;
	margin: 0;
	font-size: 0.85em;
	background-color: rgba(27, 31, 35, 0.05);
	border-radius: 3px;
	font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
}

.book-content pre {
	padding: 16px;
	overflow: auto;
	font-size: 0.85em;
	line-height: 1.45;
	background-color: #f6f8fa;
	border-radius: 6px;
	margin-bottom: 1em;
}

.book-content pre code {
	display: inline;
	padding: 0;
	margin: 0;
	overflow: visible;
	line-height: inherit;
	background-color: transparent;
	border: 0;
	font-size: inherit;
}

.book-content blockquote {
	margin: 0 0 1em 0;
	padding: 0 1em;
	color: #6a737d;
	border-left: 4px solid #dfe2e5;
}

.book-content blockquote > :first-child {
	margin-top: 0;
}

.book-content blockquote > :last-child {
	margin-bottom: 0;
}

.book-content .table-wrapper {
	width: 100%;
	overflow-x: auto;
	margin-bottom: 1em;
}

.book-content table {
	display: table;
	width: auto;
	min-width: 100%;
	border-collapse: collapse;
	border-spacing: 0;
	margin-bottom: 0;
}

.book-content table th,
.book-content table td {
	padding: 6px 13px;
	border: 1px solid #dfe2e5;
}

.book-content table th {
	font-weight: 600;
	background-color: #f6f8fa;
}

.book-content table tr {
	background-color: #fff;
	border-top: 1px solid #c6cbd1;
}

.book-content table tr:nth-child(2n) {
	background-color: #f6f8fa;
}

.book-content img {
	max-width: 100%;
	height: auto;
	box-sizing: content-box;
	background-color: #fff;
	border-radius: 4px;
	margin: 1em 0;
}

.book-content hr {
	height: 0.25em;
	padding: 0;
	margin: 24px 0;
	background-color: #e1e4e8;
	border: 0;
}

/* Alert Boxes */
.book-content .alert {
	padding: 15px;
	margin-bottom: 20px;
	border-left: 4px solid #ddd;
	background: #f5f5f5;
	border-radius: 4px;
}

.book-content .alert-success {
	background: #dff0d8;
	border-color: #3c763d;
	color: #3c763d;
}

.book-content .alert-info {
	background: #d9edf7;
	border-color: #31708f;
	color: #31708f;
}

.book-content .alert-warning {
	background: #fcf8e3;
	border-color: #8a6d3b;
	color: #8a6d3b;
}

.book-content .alert-danger {
	background: #f2dede;
	border-color: #a94442;
	color: #a94442;
}

/* Search Results */
.search-results {
	padding: 10px;
}

.search-results-title {
	text-transform: uppercase;
	text-align: center;
	font-weight: 600;
	font-size: 0.75em;
	margin-bottom: 15px;
	color: #939da3;
	letter-spacing: 0.5px;
}

.search-results-item {
	padding: 10px 15px;
	margin-bottom: 5px;
	border-radius: 4px;
	transition: background-color 0.2s ease;
}

.search-results-item:hover {
	background-color: rgba(0, 0, 0, 0.03);
}

.search-results-item a {
	color: #364149;
	text-decoration: none;
	display: block;
	font-size: 0.9em;
}

.search-results-item a:hover {
	color: #008cff;
}

.chapter-info {
	font-size: 0.75em;
	color: #939da3;
	margin-top: 4px;
	padding-left: 0;
	white-space: normal;
	overflow: visible;
	text-overflow: clip;
	line-height: 1.3;
}

.no-results {
	padding: 40px 0;
	text-align: center;
	color: #999;
	font-size: 0.9em;
}

/* Search Highlighting */
.book-content mark.search-highlight {
	background-color: #ffeb3b;
	padding: 2px 0;
	border-radius: 2px;
	font-weight: 500;
}

.book-content mark.search-highlight-current {
	background-color: #ff9800;
	padding: 2px 0;
	border-radius: 2px;
	font-weight: 600;
}

/* Print Styles */
@media print {
	.book-sidebar,
	.book-search {
		display: none;
	}

	.book-main {
		max-width: 100%;
		padding: 0;
	}

	.book-content a {
		color: #000;
		text-decoration: underline;
	}

	.book-content pre {
		border: 1px solid #ccc;
	}
}

/* Syntax Highlighting (if using highlight.js or similar) */
.book-content pre code.hljs {
	background-color: transparent;
}

/* Smooth scrolling */
html {
	scroll-behavior: smooth;
}

/* Focus styles for accessibility */
.book-content a:focus,
.book-sidebar .summary li a:focus,
.book-search input:focus {
	outline: 2px solid #008cff;
	outline-offset: 2px;
}

/* Book Page Layout Styles */
body {
	margin: 0;
	padding: 0;
}

header {
	background: white;
	padding: 1rem 2rem;
	box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
	z-index: 100;
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 2rem;
	flex-shrink: 0;
	position: relative;
}

.hamburger {
	display: none;
	flex-direction: column;
	gap: 3px;
	background: none;
	border: none;
	cursor: pointer;
	padding: 4px;
}

.hamburger span {
	width: 18px;
	height: 2px;
	background: #333;
	border-radius: 1px;
	transition: all 0.3s;
}

.sidebar-overlay {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(0, 0, 0, 0.5);
	z-index: 90;
}

.header-content {
	flex: 1;
	min-width: 0;
}

.header-actions {
	flex-shrink: 0;
}

.back-link {
	display: inline-block;
	color: #4285f4;
	text-decoration: none;
	margin-bottom: 0.5rem;
	font-size: 0.9rem;
}

.back-link:hover {
	text-decoration: underline;
}

header h1 {
	margin: 0;
	font-size: 1.5rem;
	color: #333;
	text-transform: capitalize;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.book-viewer {
	flex: 1;
	overflow: hidden;
}

.search-navigation {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 1rem;
	padding: 10px;
	background: #f8f9fa;
	border-bottom: 1px solid #ddd;
	flex-shrink: 0;
}

.nav-button {
	padding: 8px 12px;
	background: #fff;
	border: 1px solid #ddd;
	border-radius: 4px;
	cursor: pointer;
	font-size: 14px;
	transition: all 0.2s ease;
}

.nav-button:hover:not(:disabled) {
	background: #008cff;
	color: white;
	border-color: #008cff;
}

.nav-button:disabled {
	opacity: 0.4;
	cursor: not-allowed;
}

.search-position {
	font-size: 0.9rem;
	color: #666;
	min-width: 80px;
	text-align: center;
}

@media (max-width: 1280px) {
	.book-viewer {
		display: flex;
		flex-direction: row;
	}

	.book-sidebar {
		width: 250px;
		flex-shrink: 0;
	}

	.book-right-container {
		flex: 1;
		display: flex;
		flex-direction: column;
		min-width: 0;
	}

	.book-main {
		flex: 1;
		display: flex;
		flex-direction: column;
		min-width: 0;
	}

	.book-content-wrapper {
		flex: 1;
		overflow-y: auto;
	}

	.book-chatbot {
		width: 100% !important;
		height: 300px;
		border-top: 2px solid var(--border-color);
		border-left: none;
		flex-shrink: 0;
	}

	.resize-handle {
		display: none;
	}
}

@media (max-width: 1024px) {
	.hamburger {
		display: flex;
	}

	.sidebar-overlay {
		display: block;
	}

	.book-sidebar {
		position: absolute;
		left: -300px;
		top: 0;
		bottom: 0;
		z-index: 100;
		transition: left 250ms ease;
		box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
		max-height: none;
		width: 300px;
		border-bottom: none;
	}

	.book-sidebar.open {
		left: 0;
	}

	.book-main {
		padding: 0;
	}

	.book-content {
		font-size: 15px;
		padding: 20px 15px;
	}

	.book-content h1 {
		font-size: 1.75em;
	}

	.book-content h2 {
		font-size: 1.5em;
	}

	.book-content h3 {
		font-size: 1.25em;
	}

	header {
		padding: 0.75rem 1rem;
	}

	header h1 {
		font-size: 1.1rem;
	}

	.back-link {
		font-size: 0.85rem;
	}
}