/*
Theme Name: NovelBook
Theme URI: https://novelbook.com
Author: NovelBook Team
Author URI: https://novelbook.com
Description: 一个功能完整的英文小说阅读网站WordPress主题，支持免费/付费小说、章节级评论、打赏功能、收藏功能、PayPal支付等。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: novelbook
Tags: e-commerce, entertainment, custom-menu, featured-images, theme-options, translation-ready
*/

/* ==========================================================================
   CSS Variables
   ========================================================================== */
:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #6366f1;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --transition: all 0.2s ease;
}

/* Dark Mode */
[data-theme="dark"] {
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-tertiary: #374151;
    --border-color: #374151;
}

[data-theme="dark"] body {
    background-color: var(--bg-secondary);
}

[data-theme="dark"] .site-header {
    background: var(--bg-primary);
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .search-form form {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

[data-theme="dark"] .user-dropdown-toggle {
    background: var(--bg-tertiary);
}

[data-theme="dark"] .user-dropdown-menu {
    background: var(--bg-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .novel-card {
    background: var(--bg-primary);
}

[data-theme="dark"] .genre-card {
    background: var(--bg-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .featured-card {
    background: var(--bg-primary);
}

[data-theme="dark"] .site-footer {
    background: var(--bg-primary);
    border-top-color: var(--border-color);
}

[data-theme="dark"] .mobile-menu {
    background: var(--bg-primary);
}

[data-theme="dark"] .hero-welcome {
    background: linear-gradient(135deg, #1e40af, #7c3aed) !important;
}

[data-theme="dark"] .empty-state {
    background: var(--bg-primary);
}

[data-theme="dark"] .chapters-list {
    background: var(--bg-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .chapter-item {
    border-color: var(--border-color);
}

[data-theme="dark"] .novel-header {
    background: var(--bg-primary);
}

[data-theme="dark"] .section {
    background: transparent;
}

[data-theme="dark"] .novel-tip {
    background: var(--bg-primary);
}

/* ==========================================================================
   Hero Welcome Section
   ========================================================================== */
.hero-welcome {
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    color: #ffffff;
    padding: 4rem 0;
    text-align: center;
}

.hero-welcome h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #ffffff;
}

.hero-welcome p {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 2rem;
    color: #ffffff;
}

.hero-welcome .btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
    text-decoration: none;
}

.hero-welcome .btn-primary {
    background: #ffffff;
    color: #3b82f6;
}

.hero-welcome .btn-primary:hover {
    background: #f3f4f6;
    color: #2563eb;
    text-decoration: none;
}

.hero-welcome .btn-outline {
    background: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
}

.hero-welcome .btn-outline:hover {
    background: #ffffff;
    color: #3b82f6;
}

.hero-welcome .hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==========================================================================
   Empty States
   ========================================================================== */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
}

.empty-state h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.empty-state .empty-icon {
    margin: 0 auto 1.5rem;
    color: var(--text-muted);
}

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

* {
    margin: 0;
    padding: 0;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    min-height: 100vh;
}

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

.site {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-content {
    flex: 1;
    padding-bottom: 2rem;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    height: 64px;
}

/* Logo */
.site-logo {
    flex-shrink: 0;
}

.site-title-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
    text-decoration: none;
}

.site-title-link:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.site-logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
}

.site-name {
    font-weight: 700;
}

/* Main Navigation */
.main-nav {
    flex: 1;
    display: none;
}

@media (min-width: 1024px) {
    .main-nav {
        display: block;
    }
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-menu li {
    position: relative;
}

.nav-menu li a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: var(--radius);
    transition: var(--transition);
}

.nav-menu li a:hover {
    color: var(--primary-color);
    background: var(--bg-tertiary);
    text-decoration: none;
}

/* Search Form */
.search-form {
    flex: 1;
    max-width: 320px;
    display: none;
}

@media (min-width: 768px) {
    .search-form {
        display: block;
    }
}

.search-form form {
    display: flex;
    align-items: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.search-form form:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.search-field {
    flex: 1;
    padding: 0.5rem 1rem;
    border: none;
    background: transparent;
    outline: none;
    color: var(--text-primary);
}

.search-field::placeholder {
    color: var(--text-muted);
}

.search-submit {
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.search-submit:hover {
    color: var(--primary-color);
}

/* User Menu */
.user-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-weight: 500;
    border-radius: var(--radius);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover {
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* User Dropdown */
.user-dropdown {
    position: relative;
}

.user-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
}

.user-dropdown-toggle:hover {
    background: var(--border-color);
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
}

.user-avatar-initials {
    width: 28px;
    height: 28px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}

.user-name {
    display: none;
}

@media (min-width: 640px) {
    .user-name {
        display: inline;
    }
}

.user-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 200px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    display: none;
    z-index: 1000;
}

.user-dropdown-menu.active {
    display: block;
}

.user-dropdown-menu li a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1rem;
    color: var(--text-secondary);
    border-radius: var(--radius);
    transition: var(--transition);
}

.user-dropdown-menu li a:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.user-dropdown-menu li a svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0.5rem 0;
}

/* Mobile Menu Toggle - Hidden on desktop by default */
.mobile-menu-toggle {
    display: none !important;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--text-primary);
    border-radius: var(--radius);
    transition: var(--transition);
}

.mobile-menu-toggle:hover {
    background: var(--bg-tertiary);
}

/* Show mobile menu toggle only on mobile */
@media (max-width: 1023px) {
    .mobile-menu-toggle {
        display: flex !important;
    }

    /* Hide desktop nav on mobile */
    .main-nav {
        display: none !important;
    }

    /* Hide search on mobile */
    .search-form {
        display: none !important;
    }
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--text-secondary);
    border-radius: var(--radius);
    transition: var(--transition);
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

[data-theme="dark"] .icon-sun {
    display: none;
}

[data-theme="dark"] .icon-moon {
    display: block !important;
}

/* ==========================================================================
   Mobile Menu
   ========================================================================== */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background: var(--bg-primary);
    z-index: 200;
    transition: right 0.3s ease;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.mobile-menu.active {
    right: 0;
}

/* Desktop: hide mobile menu completely */
@media (min-width: 1024px) {
    .mobile-menu {
        display: none;
    }
    .mobile-menu-overlay {
        display: none;
    }
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu-title {
    font-weight: 600;
    color: var(--text-primary);
}

.mobile-menu-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--text-secondary);
    border-radius: var(--radius);
    transition: var(--transition);
}

.mobile-menu-close:hover {
    background: var(--bg-tertiary);
}

.mobile-nav-menu {
    padding: 0.5rem;
}

.mobile-nav-menu li a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: var(--radius);
    transition: var(--transition);
}

.mobile-nav-menu li a:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.mobile-menu-auth {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 150;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ==========================================================================
   Homepage Hero/Carousel
   ========================================================================== */
.hero-carousel {
    position: relative;
    height: 400px;
    background: var(--bg-tertiary);
    overflow: hidden;
}

@media (min-width: 768px) {
    .hero-carousel {
        height: 500px;
    }
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 50%, rgba(0, 0, 0, 0) 100%);
    pointer-events: none;
}

.carousel-content {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}

.carousel-info {
    max-width: 600px;
    color: white;
    padding: 2rem 0;
}

.carousel-badge {
    margin-bottom: 1rem;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: var(--radius);
}

.badge-paid {
    background: var(--warning-color);
    color: #000;
}

.badge-free {
    background: var(--success-color);
    color: white;
}

.carousel-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .carousel-title {
        font-size: 2.5rem;
    }
}

.carousel-author {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.carousel-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    opacity: 0.9;
}

.carousel-meta span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.carousel-excerpt {
    font-size: 0.9375rem;
    opacity: 0.85;
    margin-bottom: 1.5rem;
    display: none;
}

@media (min-width: 768px) {
    .carousel-excerpt {
        display: block;
    }
}

.carousel-actions .btn {
    text-decoration: none;
}

/* Carousel Navigation */
.carousel-nav {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 10;
}

.carousel-prev,
.carousel-next {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
}

.carousel-prev:hover,
.carousel-next:hover {
    background: rgba(255, 255, 255, 0.3);
}

.carousel-dots {
    display: flex;
    gap: 0.5rem;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    transition: var(--transition);
}

.carousel-dot.active {
    background: white;
    transform: scale(1.2);
}

/* ==========================================================================
   Sections
   ========================================================================== */
.section {
    padding: 2.5rem 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-title i,
.section-title svg {
    color: var(--primary-color);
}

.section-title .icon-primary {
    color: var(--primary-color);
}

.section-title .icon-danger {
    color: var(--danger-color);
}

.section-title .icon-success {
    color: var(--success-color);
}

.section-title .icon-warning {
    color: var(--warning-color);
}

.section-more {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition);
}

.section-more:hover {
    color: var(--primary-color);
}

/* ==========================================================================
   Novel Grid
   ========================================================================== */
.novel-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

@media (min-width: 640px) {
    .novel-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .novel-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Novel Card */
.novel-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.novel-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.novel-card__image {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
}

.novel-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.novel-card:hover .novel-card__image img {
    transform: scale(1.05);
}

.novel-card__badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.25rem 0.5rem;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
}

.novel-card__badge--paid {
    background: var(--warning-color);
    color: #000;
}

.novel-card__badge--free {
    background: var(--success-color);
    color: white;
}

.novel-card__badge--status {
    left: auto;
    right: 0.75rem;
}

.novel-card__badge--completed {
    background: var(--success-color);
    color: white;
}

.novel-card__badge--ongoing {
    background: var(--primary-color);
    color: white;
}

.novel-card__content {
    padding: 1rem;
}

.novel-card__title {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 0.375rem;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.novel-card__title a {
    color: var(--text-primary);
}

.novel-card__title a:hover {
    color: var(--primary-color);
}

.novel-card__author {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.novel-card__meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.novel-card__meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.novel-card__meta .star-icon {
    color: var(--warning-color);
}

.novel-card__actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.novel-card__price {
    font-weight: 600;
    color: var(--primary-color);
}

.novel-card__free {
    font-weight: 600;
    color: var(--success-color);
}

/* ==========================================================================
   Genres Grid
   ========================================================================== */
.genres-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

@media (min-width: 640px) {
    .genres-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .genres-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.genre-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 1rem;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.genre-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
    text-decoration: none;
}

.genre-icon {
    width: 56px;
    height: 56px;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
    font-size: 1.5rem;
}

.genre-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.genre-count {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* ==========================================================================
   Featured Grid
   ========================================================================== */
.featured-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .featured-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.featured-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.featured-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.featured-card .card-image {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
}

.featured-card .card-body {
    padding: 1.25rem;
}

.featured-card .card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.featured-card .card-title a {
    color: var(--text-primary);
}

.featured-card .card-title a:hover {
    color: var(--primary-color);
}

.featured-card .card-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.featured-card .card-description {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ==========================================================================
   Page Templates
   ========================================================================== */
.page-header {
    padding: 2rem 0 1rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.page-description {
    color: var(--text-secondary);
}

.no-content {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (min-width: 640px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr repeat(3, 1fr);
    }
}

.footer-section h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.footer-section p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.footer-categories a {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius);
    font-size: 0.8125rem;
    transition: var(--transition);
}

.footer-categories a:hover {
    background: var(--primary-color);
    color: white;
}

.footer-bottom {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-copyright {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.footer-links-bottom {
    display: flex;
    gap: 1.5rem;
}

.footer-links-bottom a {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.footer-links-bottom a:hover {
    color: var(--primary-color);
}

/* ==========================================================================
   Pagination
   ========================================================================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.pagination__link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
}

.pagination__link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    text-decoration: none;
}

.pagination__link--active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* ==========================================================================
   Breadcrumbs
   ========================================================================== */
.breadcrumbs {
    padding: 1rem 0;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.breadcrumbs a {
    color: var(--text-secondary);
}

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

.breadcrumbs .separator {
    margin: 0 0.5rem;
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   Responsive - Mobile First Adjustments
   ========================================================================== */
@media (max-width: 639px) {
    .section {
        padding: 1.5rem 0;
    }

    .section-title {
        font-size: 1.25rem;
    }

    .novel-card__content {
        padding: 0.75rem;
    }

    .novel-card__title {
        font-size: 0.875rem;
    }
}

/* ==========================================================================
   Chapter Reader - Clean Reading Experience
   ========================================================================== */

/* 顶部导航栏 */
.reader-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.reader-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.reader-nav-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 0;
}

.reader-back-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: var(--text-primary);
    transition: background 0.2s;
    flex-shrink: 0;
}

.reader-back-btn:hover {
    background: var(--bg-secondary);
}

.reader-nav-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.reader-novel-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.reader-chapter-num {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.reader-nav-right {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-shrink: 0;
}

.reader-arrow-btn,
.reader-settings-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.reader-arrow-btn:hover,
.reader-settings-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* 阅读进度条 */
.reader-progress {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(0,0,0,0.1);
    z-index: 1000;
}

.reader-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    width: 0%;
    transition: width 0.1s ease-out;
}

/* 章节标题区 */
.reader-title-section {
    max-width: 720px;
    margin: 0 auto;
    padding: 3rem 1.5rem 1.5rem;
    text-align: center;
}

.reader-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.5rem;
    line-height: 1.3;
}

.reader-word-count {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* 章节内容 */
.reader-content {
    max-width: 720px;
    margin: 0 auto;
    padding: 1rem 1.5rem 4rem;
    font-size: 1.125rem;
    line-height: 1.9;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}

.reader-content p {
    margin: 0 0 1.5em;
    text-indent: 2em;
    text-align: justify;
}

.reader-content p:first-child {
    text-indent: 0;
}

.reader-content p:first-child::first-letter {
    font-size: 2.25em;
    font-weight: 700;
    float: left;
    line-height: 1;
    margin-right: 0.1em;
    margin-top: 0.1em;
    color: var(--primary-color);
}

.reader-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1.5em 0;
}

.reader-content blockquote {
    margin: 1.5em 0;
    padding: 1em 1.5em;
    border-left: 3px solid var(--primary-color);
    background: var(--bg-secondary);
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: var(--text-secondary);
}

.reader-content hr {
    border: none;
    height: 1px;
    background: var(--border-color);
    margin: 2em 0;
}

/* 底部导航 */
.reader-bottom-nav {
    border-top: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.reader-bottom-inner {
    max-width: 720px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.reader-bottom-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    background: var(--bg-secondary);
    text-decoration: none;
    transition: all 0.2s;
    white-space: nowrap;
}

.reader-bottom-btn:hover {
    background: var(--border-color);
}

.reader-bottom-btn.primary {
    background: var(--primary-color);
    color: white;
}

.reader-bottom-btn.primary:hover {
    background: var(--primary-hover);
}

.reader-bottom-btn.center {
    background: transparent;
    border: 1px solid var(--border-color);
}

.reader-bottom-btn.center:hover {
    background: var(--bg-secondary);
}

.reader-bottom-btn.disabled {
    opacity: 0.3;
    pointer-events: none;
}

/* 阅读设置面板 */
.reader-settings-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 200;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.reader-settings-panel.active {
    transform: translateY(0);
}

.reader-settings-inner {
    max-width: 720px;
    margin: 0 auto;
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
}

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

.setting-controls {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 0.25rem;
}

.setting-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 32px;
    padding: 0 0.5rem;
    border-radius: 6px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

.setting-btn:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.setting-btn.active {
    background: var(--primary-color);
    color: white;
}

.setting-value {
    min-width: 2rem;
    text-align: center;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* 付费章节 paywall */
.paywall {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    padding: 3rem 1.5rem;
}

.paywall-inner {
    max-width: 400px;
    text-align: center;
}

.paywall-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--bg-secondary);
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.paywall-inner h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.5rem;
}

.paywall-novel {
    font-size: 1rem;
    color: var(--primary-color);
    margin: 0 0 1rem;
}

.paywall-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin: 0 0 1rem;
}

.paywall-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

.paywall-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* 阅读页适配 - 内容宽度变体 */
.reader-content.width-narrow {
    max-width: 560px;
}

.reader-content.width-wide {
    max-width: 900px;
}

/* 阅读页主题变体 */
.chapter-reader[data-theme="dark"] {
    background: #1a1a2e;
    color: #e0e0e0;
}

.chapter-reader[data-theme="sepia"] {
    background: #f4ecd8;
    color: #5b4636;
}

/* 阅读内容过渡动画 */
.reader-content {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 阅读器底部导航优化 */
.reader-bottom-nav {
    position: sticky;
    bottom: 0;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
}

/* 响应式 */
@media (max-width: 639px) {
    .reader-header-inner {
        padding: 0.5rem 1rem;
    }

    .reader-novel-title {
        font-size: 0.8125rem;
        max-width: 150px;
    }

    .reader-title-section {
        padding: 2rem 1rem 1rem;
    }

    .reader-title {
        font-size: 1.375rem;
    }

    .reader-content {
        padding: 1rem 1rem 3rem;
        font-size: 1rem;
    }

    .reader-content p:first-child::first-letter {
        font-size: 2em;
    }

    .reader-bottom-inner {
        padding: 0.75rem 1rem;
    }

    .reader-bottom-btn {
        padding: 0.5rem 1rem;
        font-size: 0.8125rem;
    }

    .reader-settings-inner {
        padding: 1rem;
        gap: 1rem;
    }
}

/* WordPress Login Page */
body.login {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

#login {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    padding: 40px;
    max-width: 400px;
    width: 100%;
    margin: 40px auto;
}

body.login h1 { display: none; }

body.login #nav,
body.login #backtoblog {
    background: rgba(255,255,255,0.9);
    border: none;
    border-radius: 0 0 16px 16px;
    padding: 16px;
}

#loginform input[type="text"],
#loginform input[type="password"] {
    border-radius: 8px;
    padding: 12px 16px;
}

#loginform #wp-submit {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 8px;
    width: 100%;
    font-size: 16px;
}

#loginform #wp-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102,126,234,0.4);
}

/* Payment Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: white;
    border-radius: 16px;
    width: 90%;
    max-width: 450px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    padding: 0;
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-amount {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.paypal-button-container {
    min-height: 50px;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.modal-actions .btn {
    flex: 1;
}

.payment-processing {
    text-align: center;
    padding: 2rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

.payment-success,
.payment-error {
    text-align: center;
    padding: 1rem;
}

.payment-success {
    color: var(--success-color);
}

.payment-error {
    color: var(--danger-color);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Comments */
.comment-respond {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.comment-reply-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.comment-reply-title small a {
    color: var(--text-muted);
    font-size: 0.875rem;
    text-decoration: none;
}

.comment-reply-title small a:hover {
    color: var(--primary-color);
}

.comment-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9375rem;
    transition: border-color 0.2s ease;
}

.comment-form input[type="text"]:focus,
.comment-form input[type="email"]:focus,
.comment-form input[type="url"]:focus,
.comment-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.comment-form textarea {
    min-height: 120px;
    resize: vertical;
}

.comment-item {
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.comment-item .comment-avatar img {
    border-radius: 50%;
}

.comment-item .comment-reply a {
    color: var(--primary-color);
    font-size: 0.875rem;
    text-decoration: none;
}

.comment-item .comment-reply a:hover {
    text-decoration: underline;
}

.comment-item .comment-edit a {
    color: var(--text-muted);
    font-size: 0.875rem;
    text-decoration: none;
}

.comment-item .comment-edit a:hover {
    color: var(--primary-color);
}

.comment-awaiting {
    background: var(--warning-color);
    color: #000;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
}

.pagination {
    display: flex;
    justify-content: center;
}

.pagination .nav-links {
    display: flex;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.875rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.pagination .page-numbers:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pagination .page-numbers.current {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}