/*
Theme Name: Bookstore Lite
Theme URI: https://wp.mianka.xyz/?theme=bookstore-theme
Author: zhangsir
Author URI: https://wp.mianka.xyz
Description: A professional design for online bookstores. Features include book display, category browsing, search filtering, and more. Requires Bookstore Core plugin. Unlock VIP membership, eBook sales, pre-order management with Bookstore Pro Tools plugin.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: bookstore-lite
Tags: one-column, custom-logo, custom-menu, featured-images, translation-ready, rtl-language-support
*/

/* ===================================
   1. CSS Variables & Theme Config
   =================================== */
:root {
	/* Primary Colors - Warm Brown Palette */
	--bookstore-primary: #8B4513;
	--bookstore-primary-light: #A0522D;
	--bookstore-primary-dark: #6B3410;
	--bookstore-accent: #D2691E;

	/* Neutral Colors */
	--bookstore-white: #FFFFFF;
	--bookstore-bg-light: #FAF8F5;
	--bookstore-bg-warm: #F5F0E8;
	--bookstore-text: #2D2D2D;
	--bookstore-text-light: #6B6B6B;
	--bookstore-text-muted: #9B9B9B;
	--bookstore-border: #E8E4DE;

	/* Dark Theme Colors */
	--bookstore-dark-bg: #1A1412;
	--bookstore-dark-surface: #2C2420;
	--bookstore-dark-text: #F5E6D3;
	--bookstore-dark-accent: #D4A574;

	/* Shadows */
	--bookstore-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
	--bookstore-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
	--bookstore-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
	--bookstore-shadow-hover: 0 12px 40px rgba(139, 69, 19, 0.15);

	/* Spacing */
	--bookstore-spacing-xs: 0.25rem;
	--bookstore-spacing-sm: 0.5rem;
	--bookstore-spacing-md: 1rem;
	--bookstore-spacing-lg: 1.5rem;
	--bookstore-spacing-xl: 2rem;
	--bookstore-spacing-2xl: 3rem;

	/* Border Radius */
	--bookstore-radius-sm: 4px;
	--bookstore-radius-md: 8px;
	--bookstore-radius-lg: 12px;
	--bookstore-radius-xl: 20px;
	--bookstore-radius-full: 9999px;

	/* Transitions */
	--bookstore-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================
   2. CSS Reset & Base Styles
   =================================== */
*, *::before, *::after {
	box-sizing: border-box;
}

html {
	font-size: 16px;
	scroll-behavior: smooth;
}

body {
	margin: 0;
	padding: 0;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	font-size: 1rem;
	line-height: 1.7;
	color: var(--bookstore-text);
	background-color: var(--bookstore-bg-light);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

/* ===================================
   3. Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
	margin: 0 0 1rem;
	font-weight: 700;
	line-height: 1.3;
	color: var(--bookstore-text);
}

h1 { font-size: 2.75rem; letter-spacing: -0.02em; }
h2 { font-size: 2rem; letter-spacing: -0.01em; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
	margin: 0 0 1rem;
}

a {
	color: var(--bookstore-primary);
	text-decoration: none;
	transition: var(--bookstore-transition);
}

a:hover {
	color: var(--bookstore-primary-light);
}

/* ===================================
   4. Layout & Container
   =================================== */
.container {
	max-width: 1280px;
	margin: 0 auto;
	padding: 0 var(--bookstore-spacing-lg);
}

.site-content {
	padding: var(--bookstore-spacing-2xl) 0;
	min-height: 60vh;
}

/* ===================================
   5. Header Styles
   =================================== */
.site-header {
	background: linear-gradient(135deg, var(--bookstore-dark-bg) 0%, var(--bookstore-dark-surface) 100%);
	padding: var(--bookstore-spacing-lg) 0;
	position: sticky;
	top: 0;
	z-index: 1000;
	box-shadow: var(--bookstore-shadow-md);
}

.site-header::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
	pointer-events: none;
}

.site-header .container {
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
	gap: var(--bookstore-spacing-md);
	position: relative;
}

.site-branding {
	display: flex;
	align-items: center;
	gap: var(--bookstore-spacing-md);
}

.site-logo {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 48px;
	height: 48px;
	background: linear-gradient(135deg, var(--bookstore-accent) 0%, var(--bookstore-primary) 100%);
	border-radius: var(--bookstore-radius-md);
	color: var(--bookstore-white);
	font-size: 1.5rem;
	font-weight: 700;
}

.site-title {
	margin: 0;
	font-size: 1.5rem;
	font-weight: 700;
	letter-spacing: -0.02em;
}

.site-title a {
	color: var(--bookstore-dark-text);
	text-decoration: none;
	transition: var(--bookstore-transition);
}

.site-title a:hover {
	color: var(--bookstore-dark-accent);
}

.site-description {
	color: var(--bookstore-dark-accent);
	margin: 0;
	font-size: 0.875rem;
	opacity: 0.8;
}

/* ===================================
   6. Navigation
   =================================== */
.main-navigation {
	position: relative;
}

.main-navigation ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: var(--bookstore-spacing-xs);
}

.main-navigation li {
	position: relative;
}

.main-navigation a {
	color: var(--bookstore-dark-text);
	padding: var(--bookstore-spacing-sm) var(--bookstore-spacing-md);
	display: flex;
	align-items: center;
	gap: var(--bookstore-spacing-xs);
	border-radius: var(--bookstore-radius-md);
	font-weight: 500;
	font-size: 0.9375rem;
	transition: var(--bookstore-transition);
}

.main-navigation a:hover {
	background: rgba(255, 255, 255, 0.1);
	color: var(--bookstore-dark-accent);
}

.main-navigation .current-menu-item > a {
	background: rgba(255, 255, 255, 0.15);
	color: var(--bookstore-dark-accent);
}

/* Menu Toggle (Mobile) */
.menu-toggle {
	display: none;
	background: transparent;
	border: none;
	color: var(--bookstore-dark-text);
	font-size: 1.5rem;
	cursor: pointer;
	padding: var(--bookstore-spacing-sm);
}

/* Header User Actions */
.header-user-actions {
	display: flex;
	align-items: center;
	gap: var(--bookstore-spacing-md);
}

.header-user-actions a {
	display: flex;
	align-items: center;
	gap: var(--bookstore-spacing-xs);
	color: var(--bookstore-dark-text);
	text-decoration: none;
	font-size: 0.875rem;
	font-weight: 500;
	padding: var(--bookstore-spacing-sm) var(--bookstore-spacing-md);
	border-radius: var(--bookstore-radius-md);
	transition: var(--bookstore-transition);
}

.header-user-actions a:hover {
	background: rgba(255, 255, 255, 0.1);
	color: var(--bookstore-dark-accent);
}

.header-user-actions .vip-link {
	background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
	color: #fff;
}

.header-user-actions .vip-link:hover {
	background: linear-gradient(135deg, #e67e22 0%, #d35400 100%);
	color: #fff;
	transform: translateY(-1px);
}

.header-user-actions .vip-link svg {
	fill: none;
}

/* ===================================
   7. Page Header
   =================================== */
.page-header {
	text-align: center;
	padding: var(--bookstore-spacing-2xl) 0;
	margin-bottom: var(--bookstore-spacing-xl);
	background: var(--bookstore-bg-warm);
	border-radius: var(--bookstore-radius-lg);
	position: relative;
	overflow: hidden;
}

.page-header::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 4px;
	background: linear-gradient(90deg, var(--bookstore-primary) 0%, var(--bookstore-accent) 50%, var(--bookstore-primary-light) 100%);
}

.page-title {
	margin: 0;
	font-size: 2.5rem;
	color: var(--bookstore-text);
}

.archive-description {
	max-width: 600px;
	margin: var(--bookstore-spacing-md) auto 0;
	color: var(--bookstore-text-light);
}

/* ===================================
   8. Search Form
   =================================== */
.book-search-form {
	display: flex;
	max-width: 600px;
	margin: 0 auto var(--bookstore-spacing-xl);
	background: var(--bookstore-white);
	border-radius: var(--bookstore-radius-full);
	box-shadow: var(--bookstore-shadow-md);
	overflow: hidden;
	border: 2px solid transparent;
	transition: var(--bookstore-transition);
}

.book-search-form:focus-within {
	border-color: var(--bookstore-primary);
	box-shadow: var(--bookstore-shadow-lg);
}

.book-search-form input[type="search"] {
	flex: 1;
	padding: var(--bookstore-spacing-md) var(--bookstore-spacing-lg);
	border: none;
	background: transparent;
	font-size: 1rem;
	outline: none;
	color: var(--bookstore-text);
}

.book-search-form input[type="search"]::placeholder {
	color: var(--bookstore-text-muted);
}

.book-search-form button {
	padding: var(--bookstore-spacing-md) var(--bookstore-spacing-xl);
	background: linear-gradient(135deg, var(--bookstore-primary) 0%, var(--bookstore-primary-light) 100%);
	color: var(--bookstore-white);
	border: none;
	font-weight: 600;
	cursor: pointer;
	transition: var(--bookstore-transition);
	display: flex;
	align-items: center;
	gap: var(--bookstore-spacing-sm);
}

.book-search-form button:hover {
	background: linear-gradient(135deg, var(--bookstore-primary-light) 0%, var(--bookstore-accent) 100%);
}

/* ===================================
   9. Books Grid
   =================================== */
.books-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
	gap: var(--bookstore-spacing-xl);
	margin: var(--bookstore-spacing-xl) 0;
}

/* ===================================
   10. Book Card Styles
   =================================== */
.book-card {
	background: var(--bookstore-white);
	border-radius: var(--bookstore-radius-lg);
	overflow: hidden;
	box-shadow: var(--bookstore-shadow-sm);
	transition: var(--bookstore-transition);
	position: relative;
	display: flex;
	flex-direction: column;
}

.book-card:hover {
	transform: translateY(-8px);
	box-shadow: var(--bookstore-shadow-hover);
}

.book-card::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 4px;
	background: linear-gradient(90deg, var(--bookstore-primary) 0%, var(--bookstore-accent) 100%);
	opacity: 0;
	transition: var(--bookstore-transition);
	z-index: 1;
}

.book-card:hover::before {
	opacity: 1;
}

.book-cover {
	position: relative;
	padding-top: 140%;
	overflow: hidden;
	background: linear-gradient(145deg, #E8E0D5 0%, #D4C8B8 100%);
}

.book-cover img {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.5s ease;
}

.book-card:hover .book-cover img {
	transform: scale(1.05);
}

.book-cover-placeholder {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	background: linear-gradient(145deg, #E8E0D5 0%, #D4C8B8 100%);
	color: var(--bookstore-text-muted);
}

.book-cover-placeholder svg {
	width: 48px;
	height: 48px;
	opacity: 0.5;
	margin-bottom: var(--bookstore-spacing-sm);
}

.book-info {
	padding: var(--bookstore-spacing-lg);
	display: flex;
	flex-direction: column;
	flex: 1;
}

.book-title {
	margin: 0 0 var(--bookstore-spacing-sm);
	font-size: 1.0625rem;
	font-weight: 600;
	line-height: 1.4;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.book-title a {
	color: var(--bookstore-text);
}

.book-title a:hover {
	color: var(--bookstore-primary);
}

.book-author {
	margin: 0 0 var(--bookstore-spacing-sm);
	font-size: 0.875rem;
	color: var(--bookstore-text-light);
	display: flex;
	align-items: center;
	gap: var(--bookstore-spacing-xs);
}

.book-author svg {
	width: 14px;
	height: 14px;
	opacity: 0.7;
}

.book-meta-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-top: auto;
	padding-top: var(--bookstore-spacing-md);
}

.book-price {
	font-size: 1.25rem;
	font-weight: 700;
	color: var(--bookstore-primary);
}

.book-category {
	display: inline-flex;
	align-items: center;
	padding: var(--bookstore-spacing-xs) var(--bookstore-spacing-md);
	background: var(--bookstore-bg-warm);
	border-radius: var(--bookstore-radius-full);
	font-size: 0.75rem;
	color: var(--bookstore-text-light);
	font-weight: 500;
	transition: var(--bookstore-transition);
}

.book-category:hover {
	background: var(--bookstore-primary);
	color: var(--bookstore-white);
}

/* ===================================
   11. Single Book Page
   =================================== */
.single-book-container {
	display: grid;
	grid-template-columns: 320px 1fr;
	gap: var(--bookstore-spacing-2xl);
	margin: var(--bookstore-spacing-xl) 0;
	align-items: start;
}

.single-book-cover {
	position: sticky;
	top: 100px;
	background: var(--bookstore-white);
	border-radius: var(--bookstore-radius-lg);
	padding: var(--bookstore-spacing-lg);
	box-shadow: var(--bookstore-shadow-md);
}

.single-book-cover img {
	width: 100%;
	height: auto;
	border-radius: var(--bookstore-radius-md);
	box-shadow: var(--bookstore-shadow-sm);
}

.single-book-details {
	background: var(--bookstore-white);
	border-radius: var(--bookstore-radius-lg);
	padding: var(--bookstore-spacing-2xl);
	box-shadow: var(--bookstore-shadow-sm);
}

.single-book-details h1 {
	font-size: 2rem;
	margin-bottom: var(--bookstore-spacing-md);
	padding-bottom: var(--bookstore-spacing-lg);
	border-bottom: 2px solid var(--bookstore-border);
}

.book-meta {
	display: flex;
	flex-wrap: wrap;
	gap: var(--bookstore-spacing-lg);
	margin: var(--bookstore-spacing-lg) 0;
	padding: var(--bookstore-spacing-lg) 0;
	border-top: 1px solid var(--bookstore-border);
	border-bottom: 1px solid var(--bookstore-border);
}

.book-meta-item {
	display: flex;
	flex-direction: column;
	gap: var(--bookstore-spacing-xs);
}

.book-meta-label {
	font-size: 0.75rem;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--bookstore-text-muted);
	font-weight: 500;
}

.book-meta-value {
	font-size: 1rem;
	font-weight: 600;
	color: var(--bookstore-text);
}

.book-meta-value.book-price {
	font-size: 1.5rem;
	color: var(--bookstore-primary);
}

.book-description {
	margin: var(--bookstore-spacing-xl) 0;
	line-height: 1.9;
	color: var(--bookstore-text-light);
}

.book-description h3 {
	font-size: 1.125rem;
	color: var(--bookstore-text);
	margin-bottom: var(--bookstore-spacing-md);
}

.book-taxonomy {
	display: flex;
	flex-wrap: wrap;
	gap: var(--bookstore-spacing-sm);
	margin-top: var(--bookstore-spacing-lg);
}

.book-taxonomy-label {
	font-size: 0.875rem;
	color: var(--bookstore-text-muted);
	margin-right: var(--bookstore-spacing-sm);
}

/* ===================================
   12. Sidebar & Widgets
   =================================== */
.sidebar {
	display: flex;
	flex-direction: column;
	gap: var(--bookstore-spacing-lg);
}

.widget {
	background: var(--bookstore-white);
	border-radius: var(--bookstore-radius-lg);
	padding: var(--bookstore-spacing-lg);
	box-shadow: var(--bookstore-shadow-sm);
}

.widget-title {
	margin: 0 0 var(--bookstore-spacing-lg);
	padding-bottom: var(--bookstore-spacing-md);
	border-bottom: 2px solid var(--bookstore-primary);
	font-size: 1.125rem;
	position: relative;
}

.widget-title::after {
	content: '';
	position: absolute;
	bottom: -2px;
	left: 0;
	width: 40px;
	height: 2px;
	background: var(--bookstore-accent);
}

.widget ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

.widget li {
	padding: var(--bookstore-spacing-sm) 0;
	border-bottom: 1px solid var(--bookstore-border);
	transition: var(--bookstore-transition);
}

.widget li:last-child {
	border-bottom: none;
}

.widget li a {
	color: var(--bookstore-text);
	display: flex;
	align-items: center;
	gap: var(--bookstore-spacing-sm);
}

.widget li a:hover {
	color: var(--bookstore-primary);
	padding-left: var(--bookstore-spacing-sm);
}

.widget li::before {
	content: '📚';
	font-size: 0.75rem;
}

/* Categories Widget Special */
.widget_book_category li::before {
	content: '📖';
}

/* ===================================
   13. Pagination
   =================================== */
.pagination {
	display: flex;
	justify-content: center;
	gap: var(--bookstore-spacing-sm);
	margin: var(--bookstore-spacing-2xl) 0;
	flex-wrap: wrap;
}

.pagination a,
.pagination span {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 44px;
	height: 44px;
	padding: 0 var(--bookstore-spacing-md);
	background: var(--bookstore-white);
	border: 2px solid var(--bookstore-border);
	border-radius: var(--bookstore-radius-md);
	color: var(--bookstore-text);
	font-weight: 600;
	transition: var(--bookstore-transition);
}

.pagination a:hover {
	background: var(--bookstore-primary);
	color: var(--bookstore-white);
	border-color: var(--bookstore-primary);
	transform: translateY(-2px);
}

.pagination .current {
	background: linear-gradient(135deg, var(--bookstore-primary) 0%, var(--bookstore-primary-light) 100%);
	color: var(--bookstore-white);
	border-color: var(--bookstore-primary);
	box-shadow: var(--bookstore-shadow-sm);
}

.pagination .prev,
.pagination .next {
	min-width: auto;
	padding: 0 var(--bookstore-spacing-lg);
}

/* ===================================
   14. Footer
   =================================== */
.site-footer {
	background: var(--bookstore-dark-bg);
	color: var(--bookstore-dark-text);
	padding: var(--bookstore-spacing-2xl) 0 var(--bookstore-spacing-lg);
	margin-top: var(--bookstore-spacing-2xl);
	position: relative;
	overflow: hidden;
}

.site-footer::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 4px;
	background: linear-gradient(90deg, var(--bookstore-primary) 0%, var(--bookstore-accent) 50%, var(--bookstore-primary-light) 100%);
}

.site-footer a {
	color: var(--bookstore-dark-accent);
	transition: var(--bookstore-transition);
}

.site-footer a:hover {
	color: var(--bookstore-white);
}

.footer-widgets {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: var(--bookstore-spacing-2xl);
	margin-bottom: var(--bookstore-spacing-2xl);
}

.footer-widget-title {
	color: var(--bookstore-white);
	font-size: 1.125rem;
	margin-bottom: var(--bookstore-spacing-lg);
	padding-bottom: var(--bookstore-spacing-sm);
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom {
	text-align: center;
	padding-top: var(--bookstore-spacing-lg);
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	font-size: 0.875rem;
	opacity: 0.7;
}

/* Footer Navigation */
.footer-nav ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	justify-content: center;
	flex-wrap: wrap;
	gap: var(--bookstore-spacing-lg);
}

.footer-nav a {
	color: var(--bookstore-dark-accent);
}

/* ===================================
   15. No Results / Empty States
   =================================== */
.no-books-found {
	text-align: center;
	padding: var(--bookstore-spacing-2xl);
	background: var(--bookstore-white);
	border-radius: var(--bookstore-radius-lg);
	box-shadow: var(--bookstore-shadow-sm);
}

.no-books-found svg {
	width: 64px;
	height: 64px;
	color: var(--bookstore-text-muted);
	margin-bottom: var(--bookstore-spacing-lg);
	opacity: 0.5;
}

.no-books-found p {
	font-size: 1.125rem;
	color: var(--bookstore-text-light);
	margin: 0;
}

/* ===================================
   16. Post Navigation
   =================================== */
.post-navigation {
	display: flex;
	justify-content: space-between;
	margin-top: var(--bookstore-spacing-2xl);
	padding-top: var(--bookstore-spacing-xl);
	border-top: 1px solid var(--bookstore-border);
}

.nav-links {
	display: flex;
	justify-content: space-between;
	width: 100%;
}

.nav-previous,
.nav-next {
	flex: 1;
}

.nav-next {
	text-align: right;
}

.nav-previous a,
.nav-next a {
	display: inline-flex;
	align-items: center;
	gap: var(--bookstore-spacing-sm);
	padding: var(--bookstore-spacing-md) var(--bookstore-spacing-lg);
	background: var(--bookstore-bg-warm);
	border-radius: var(--bookstore-radius-md);
	color: var(--bookstore-text);
	font-weight: 500;
	transition: var(--bookstore-transition);
}

.nav-previous a:hover,
.nav-next a:hover {
	background: var(--bookstore-primary);
	color: var(--bookstore-white);
}

/* ===================================
   17. Buttons
   =================================== */
.button,
button,
input[type="button"],
input[type="reset"],
input[type="submit"] {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--bookstore-spacing-sm);
	padding: var(--bookstore-spacing-md) var(--bookstore-spacing-xl);
	background: linear-gradient(135deg, var(--bookstore-primary) 0%, var(--bookstore-primary-light) 100%);
	color: var(--bookstore-white);
	border: none;
	border-radius: var(--bookstore-radius-md);
	font-size: 1rem;
	font-weight: 600;
	cursor: pointer;
	transition: var(--bookstore-transition);
	text-decoration: none;
}

.button:hover,
button:hover,
input[type="button"]:hover,
input[type="reset"]:hover,
input[type="submit"]:hover {
	background: linear-gradient(135deg, var(--bookstore-primary-light) 0%, var(--bookstore-accent) 100%);
	color: var(--bookstore-white);
	transform: translateY(-2px);
	box-shadow: var(--bookstore-shadow-md);
}

/* ===================================
   18. Form Elements
   =================================== */
input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
input[type="search"],
input[type="number"],
input[type="tel"],
input[type="date"],
textarea,
select {
	width: 100%;
	padding: var(--bookstore-spacing-md);
	border: 2px solid var(--bookstore-border);
	border-radius: var(--bookstore-radius-md);
	font-size: 1rem;
	color: var(--bookstore-text);
	background: var(--bookstore-white);
	transition: var(--bookstore-transition);
}

input:focus,
textarea:focus,
select:focus {
	outline: none;
	border-color: var(--bookstore-primary);
	box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1);
}

/* ===================================
   19. Comments
   =================================== */
.comments-area {
	margin-top: var(--bookstore-spacing-2xl);
	background: var(--bookstore-white);
	border-radius: var(--bookstore-radius-lg);
	padding: var(--bookstore-spacing-2xl);
	box-shadow: var(--bookstore-shadow-sm);
}

.comments-title {
	font-size: 1.5rem;
	margin-bottom: var(--bookstore-spacing-xl);
	padding-bottom: var(--bookstore-spacing-md);
	border-bottom: 2px solid var(--bookstore-border);
}

.comment-list {
	list-style: none;
	margin: 0;
	padding: 0;
}

.comment {
	padding: var(--bookstore-spacing-lg) 0;
	border-bottom: 1px solid var(--bookstore-border);
}

.comment:last-child {
	border-bottom: none;
}

.comment-author {
	font-weight: 600;
	color: var(--bookstore-text);
}

.comment-meta {
	font-size: 0.875rem;
	color: var(--bookstore-text-muted);
	margin-top: var(--bookstore-spacing-xs);
}

/* ===================================
   20. Animations
   =================================== */
@keyframes fadeInUp {
	from {
		opacity: 0;
		transform: translateY(20px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

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

.book-card {
	animation: fadeInUp 0.5s ease forwards;
}

.book-card:nth-child(1) { animation-delay: 0.05s; }
.book-card:nth-child(2) { animation-delay: 0.1s; }
.book-card:nth-child(3) { animation-delay: 0.15s; }
.book-card:nth-child(4) { animation-delay: 0.2s; }
.book-card:nth-child(5) { animation-delay: 0.25s; }
.book-card:nth-child(6) { animation-delay: 0.3s; }
.book-card:nth-child(7) { animation-delay: 0.35s; }
.book-card:nth-child(8) { animation-delay: 0.4s; }
.book-card:nth-child(9) { animation-delay: 0.45s; }
.book-card:nth-child(10) { animation-delay: 0.5s; }
.book-card:nth-child(11) { animation-delay: 0.55s; }
.book-card:nth-child(12) { animation-delay: 0.6s; }

/* ===================================
   21. Utility Classes
   =================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--bookstore-spacing-sm); }
.mt-2 { margin-top: var(--bookstore-spacing-md); }
.mt-3 { margin-top: var(--bookstore-spacing-lg); }
.mt-4 { margin-top: var(--bookstore-spacing-xl); }

.mb-1 { margin-bottom: var(--bookstore-spacing-sm); }
.mb-2 { margin-bottom: var(--bookstore-spacing-md); }
.mb-3 { margin-bottom: var(--bookstore-spacing-lg); }
.mb-4 { margin-bottom: var(--bookstore-spacing-xl); }

/* ===================================
   22. Responsive Styles
   =================================== */
@media screen and (max-width: 1024px) {
	.books-grid {
		grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
	}

	.single-book-container {
		grid-template-columns: 280px 1fr;
		gap: var(--bookstore-spacing-xl);
	}
}

@media screen and (max-width: 768px) {
	:root {
		font-size: 15px;
	}

	h1 { font-size: 2rem; }
	h2 { font-size: 1.75rem; }
	h3 { font-size: 1.375rem; }

	.site-header .container {
		flex-direction: column;
		gap: var(--bookstore-spacing-md);
	}

	.site-branding {
		width: 100%;
		justify-content: center;
	}

	.menu-toggle {
		display: block;
		position: absolute;
		right: var(--bookstore-spacing-lg);
		top: 50%;
		transform: translateY(-50%);
	}

	.main-navigation {
		width: 100%;
		display: none;
	}

	.main-navigation.toggled {
		display: block;
	}

	.main-navigation ul {
		flex-direction: column;
		width: 100%;
		padding: var(--bookstore-spacing-md) 0;
	}

	.main-navigation li {
		width: 100%;
	}

	.main-navigation a {
		justify-content: center;
		padding: var(--bookstore-spacing-md);
	}

	.page-title {
		font-size: 1.75rem;
	}

	.book-search-form {
		flex-direction: column;
		border-radius: var(--bookstore-radius-lg);
	}

	.book-search-form input[type="search"] {
		padding: var(--bookstore-spacing-md);
		border-right: none;
		border-bottom: 1px solid var(--bookstore-border);
		border-radius: var(--bookstore-radius-lg) var(--bookstore-radius-lg) 0 0;
	}

	.book-search-form button {
		border-radius: 0 0 var(--bookstore-radius-lg) var(--bookstore-radius-lg);
		justify-content: center;
		padding: var(--bookstore-spacing-md);
	}

	.books-grid {
		grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
		gap: var(--bookstore-spacing-md);
	}

	.book-info {
		padding: var(--bookstore-spacing-md);
	}

	.single-book-container {
		grid-template-columns: 1fr;
	}

	.single-book-cover {
		position: static;
		max-width: 300px;
		margin: 0 auto;
	}

	.single-book-details {
		padding: var(--bookstore-spacing-lg);
	}

	.single-book-details h1 {
		font-size: 1.5rem;
	}

	.book-meta {
		gap: var(--bookstore-spacing-md);
	}

	.pagination {
		gap: var(--bookstore-spacing-xs);
	}

	.pagination a,
	.pagination span {
		min-width: 36px;
		height: 36px;
		padding: 0 var(--bookstore-spacing-sm);
		font-size: 0.875rem;
	}

	.footer-widgets {
		grid-template-columns: 1fr;
		gap: var(--bookstore-spacing-xl);
	}
}

@media screen and (max-width: 480px) {
	.container {
		padding: 0 var(--bookstore-spacing-md);
	}

	.site-content {
		padding: var(--bookstore-spacing-xl) 0;
	}

	.page-header {
		padding: var(--bookstore-spacing-xl) var(--bookstore-spacing-md);
	}

	.page-title {
		font-size: 1.5rem;
	}

	.books-grid {
		grid-template-columns: repeat(2, 1fr);
		gap: var(--bookstore-spacing-sm);
	}

	.book-title {
		font-size: 0.9375rem;
	}

	.book-price {
		font-size: 1rem;
	}

	.post-navigation {
		flex-direction: column;
		gap: var(--bookstore-spacing-md);
	}

	.nav-previous,
	.nav-next {
		text-align: center;
	}

	.nav-previous a,
	.nav-next a {
		justify-content: center;
	}
}

/* ===================================
   23. Ebook Section
   =================================== */
.book-ebook-section {
	margin: var(--bookstore-spacing-xl) 0;
	padding: var(--bookstore-spacing-lg);
	background: var(--bookstore-bg-warm);
	border-radius: var(--bookstore-radius-lg);
}

.book-ebook-section .bpt-ebook-buy-wrapper {
	margin: 0;
	box-shadow: none;
	background: transparent;
	padding: 0;
}

.book-ebook-section .bpt-ebook-price {
	margin-bottom: var(--bookstore-spacing-lg);
}

.book-ebook-section .bpt-price-value {
	color: var(--bookstore-primary);
}

.book-ebook-section .bpt-ebook-purchased {
	background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
	border-radius: var(--bookstore-radius-md);
}

/* ===================================
   24. Breadcrumbs
   =================================== */
.breadcrumbs {
	margin-bottom: var(--bookstore-spacing-xl);
	padding: var(--bookstore-spacing-md) var(--bookstore-spacing-lg);
	background: var(--bookstore-white);
	border-radius: var(--bookstore-radius-md);
	box-shadow: var(--bookstore-shadow-sm);
}

.breadcrumbs-list {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--bookstore-spacing-sm);
	list-style: none;
	margin: 0;
	padding: 0;
	font-size: 0.875rem;
}

.breadcrumbs-list li {
	display: flex;
	align-items: center;
}

.breadcrumbs-list a {
	color: var(--bookstore-text-light);
	text-decoration: none;
	transition: var(--bookstore-transition);
}

.breadcrumbs-list a:hover {
	color: var(--bookstore-primary);
}

.breadcrumbs-list .separator {
	color: var(--bookstore-text-muted);
	margin: 0 var(--bookstore-spacing-xs);
}

.breadcrumbs-list .current {
	color: var(--bookstore-primary);
	font-weight: 600;
}

/* ===================================
   25. SEO Optimizations
   =================================== */
img[loading="lazy"] {
	opacity: 1;
	transition: opacity 0.3s ease;
}

img[data-src] {
	opacity: 0;
}

/* Improve Core Web Vitals */
.site-header {
	position: sticky;
	top: 0;
	z-index: 1000;
}

.book-cover img,
.single-book-cover img {
	aspect-ratio: 2/3;
	object-fit: cover;
}

/* Preconnect for external resources */
@supports (content-visibility: auto) {
	.book-card {
		content-visibility: auto;
		contain-intrinsic-size: 300px;
	}
}