/*
 阅读界面样式
专为阅读体验优化的 CSS，包含所有阅读相关组件样式
此文件专注于阅读体验的精细化样式处理
*/

/* 全屏阅读界面动画 */
.reading-view {
position: fixed;
inset: 0;
background: var(--bg-primary);
z-index: 3000;
display: flex;
flex-direction: column;
opacity: 0;
visibility: hidden;
transform: scale(0.98);
transition: all var(--transition-slow);
overflow: hidden;
}

.reading-view.active {
opacity: 1;
visibility: visible;
transform: scale(1);
}

/* 阅读进度条 */
.reading-progress {
position: fixed;
top: 0;
left: 0;
right: 0;
height: 3px;
background: var(--border-light);
z-index: 3001;
transform-origin: left;
transform: scaleX(0);
transition: transform 100ms linear;
}

.reading-progress-bar {
height: 100%;
background: linear-gradient(90deg, var(--accent-primary), var(--accent-hover));
border-radius: 0 2px 2px 0;
width: 100%;
transform-origin: left;
}

/* 阅读顶部工具栏 - 透明镂空样式 */
.reading-header {
position: fixed;
top: 0;
left: 0;
right: 0;
height: 72px;
display: flex;
align-items: center;
justify-content: space-between;
padding: 0 24px;
z-index: 3002;
background: transparent;
backdrop-filter: none;
-webkit-backdrop-filter: none;
border: none;
transition: all var(--transition-normal);
}

.reading-header.scrolled {
background: transparent;
backdrop-filter: none;
-webkit-backdrop-filter: none;
border: none;
}

.reading-back {
display: flex;
align-items: center;
gap: 8px;
padding: 10px 16px;
border-radius: 12px;
background: rgba(255, 255, 255, 0.85);
border: 1px solid rgba(0, 0, 0, 0.1);
cursor: pointer;
transition: all var(--transition-fast);
font-weight: 500;
font-size: 0.9rem;
color: var(--text-secondary);
backdrop-filter: blur(10px);
-webkit-backdrop-filter: blur(10px);
}

.reading-back:hover {
background: rgba(255, 255, 255, 0.95);
color: var(--text-primary);
transform: translateX(-2px);
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.reading-back svg {
transition: transform var(--transition-fast);
}

.reading-back:hover svg {
transform: translateX(-2px);
}

.reading-title-preview {
font-size: 0.95rem;
font-weight: 500;
color: var(--text-primary);
max-width: 300px;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
display: none;
}

@media (min-width: 768px) {
.reading-title-preview {
display: block;
}
}

.reading-header-actions {
display: flex;
align-items: center;
gap: 8px;
}

/* 阅读内容区域 */
.reading-scroll {
flex: 1;
overflow-y: auto;
scroll-behavior: smooth;
padding-top: 100px;
padding-bottom: 60px;
}

.reading-article {
max-width: var(--content-max);
margin: 0 auto;
padding: 0 24px;
}

.reading-hero-image {
width: 100%;
aspect-ratio: 21/9;
border-radius: var(--radius-lg);
overflow: hidden;
margin-bottom: 32px;
box-shadow: var(--shadow-lg);
position: relative;
}

.reading-hero-image img {
width: 100%;
height: 100%;
object-fit: cover;
transition: transform 0.8s var(--ease-smooth);
}

.reading-article:hover .reading-hero-image img {
transform: scale(1.03);
}

.reading-title {
font-size: 2.25rem;
font-weight: 700;
line-height: 1.25;
margin-bottom: 16px;
letter-spacing: -0.02em;
}

.reading-subtitle {
font-size: 1.25rem;
color: var(--text-secondary);
font-weight: 400;
margin-bottom: 28px;
line-height: 1.5;
max-width: 600px;
}

.reading-meta {
display: flex;
align-items: center;
gap: 20px;
padding: 20px 0;
border-bottom: 1px solid var(--border-color);
margin-bottom: 36px;
flex-wrap: wrap;
}

.reading-author {
display: flex;
align-items: center;
gap: 12px;
}

.reading-author .avatar {
width: 40px;
height: 40px;
font-size: 0.9rem;
}

.reading-author-info .name {
font-weight: 600;
font-size: 1rem;
color: var(--text-primary);
}

.reading-author-info .role {
font-size: 0.85rem;
color: var(--text-tertiary);
}

.reading-meta-divider {
color: var(--border-color);
font-size: 0.9rem;
}

.reading-meta-item {
display: flex;
align-items: center;
gap: 6px;
font-size: 0.9rem;
color: var(--text-secondary);
}

/* 阅读正文排版 - 行业顶尖标准 */
.reading-content {
font-family: var(--font-serif);
font-size: var(--reading-font-size);
line-height: var(--reading-line-height);
color: var(--text-primary);
max-width: 680px;
}

.reading-content p {
margin-bottom: var(--reading-paragraph-margin);
text-align: justify;
text-justify: inter-character;
}

.reading-content p:first-child::first-letter {
float: left;
font-size: 3.5rem;
line-height: 0.85;
font-weight: 700;
padding: 0.1em 0.12em 0 0;
color: var(--accent-primary);
font-family: var(--font-sans);
}

.reading-content h2 {
font-family: var(--font-sans);
font-size: 1.5rem;
font-weight: 650;
margin: var(--reading-heading-margin);
color: var(--text-primary);
letter-spacing: -0.01em;
position: relative;
padding-left: 16px;
}

.reading-content h2::before {
content: '';
position: absolute;
left: 0;
top: 50%;
transform: translateY(-50%);
width: 4px;
height: 24px;
background: var(--accent-primary);
border-radius: 2px;
}

.reading-content h3 {
font-family: var(--font-sans);
font-size: 1.25rem;
font-weight: 600;
margin: 2em 0 1em;
color: var(--text-primary);
}

.reading-content blockquote {
border-left: 4px solid var(--accent-primary);
padding: 18px 24px;
margin: 2em 0;
background: var(--bg-secondary);
border-radius: 0 var(--radius-md) var(--radius-md) 0;
font-style: italic;
color: var(--text-secondary);
position: relative;
}

.reading-content blockquote::before {
content: '"';
position: absolute;
top: -10px;
left: 12px;
font-size: 3rem;
color: var(--accent-glow);
font-family: serif;
line-height: 1;
}

.reading-content ul,
.reading-content ol {
margin: 1.5em 0;
padding-left: 28px;
}

.reading-content li {
margin-bottom: 0.6em;
padding-left: 6px;
}

.reading-content a {
color: var(--accent-primary);
border-bottom: 1px dashed var(--accent-primary);
transition: all var(--transition-fast);
}

.reading-content a:hover {
border-bottom-style: solid;
background: var(--accent-glow);
}

.reading-content img {
margin: 2em auto;
max-width: 100%;
border-radius: var(--radius-lg);
box-shadow: var(--shadow-md);
cursor: zoom-in;
transition: transform var(--transition-fast);
}

.reading-content img:hover {
transform: scale(1.01);
}

.reading-content hr {
border: none;
height: 1px;
background: var(--border-color);
margin: 3em 0;
position: relative;
}

.reading-content hr::after {
content: '✦';
position: absolute;
left: 50%;
top: 50%;
transform: translate(-50%, -50%);
background: var(--bg-primary);
padding: 0 16px;
color: var(--text-tertiary);
font-size: 0.9rem;
}

/* 阅读侧边浮窗 - 目录/分享 */
.reading-float-panel {
position: fixed;
right: 24px;
top: 50%;
transform: translateY(-50%);
display: flex;
flex-direction: column;
gap: 10px;
z-index: 3001;
opacity: 0;
visibility: hidden;
transition: all var(--transition-normal);
}

.reading-view.active .reading-float-panel {
opacity: 1;
visibility: visible;
}

@media (max-width: 1024px) {
.reading-float-panel {
display: none;
}
}

.float-btn {
width: 44px;
height: 44px;
border-radius: 14px;
background: var(--bg-secondary);
border: 1px solid var(--border-color);
display: flex;
align-items: center;
justify-content: center;
cursor: pointer;
transition: all var(--transition-fast);
color: var(--text-secondary);
box-shadow: var(--shadow-sm);
}

.float-btn:hover {
background: var(--accent-primary);
color: var(--bg-primary);
border-color: var(--accent-primary);
transform: translateX(-3px);
box-shadow: var(--shadow-md);
}

/*  移除：.float-btn.badge 评论徽章样式已删除 */

/* 相关文章推荐 */
.reading-related {
margin-top: 60px;
padding-top: 40px;
border-top: 1px solid var(--border-color);
}

.related-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
gap: 20px;
margin-top: 24px;
}

.related-card {
padding: 16px;
border-radius: var(--radius-md);
background: var(--bg-secondary);
border: 1px solid var(--border-color);
cursor: pointer;
transition: all var(--transition-fast);
}

.related-card:hover {
border-color: var(--accent-primary);
transform: translateY(-2px);
box-shadow: var(--shadow-sm);
}

.related-card .card-title {
font-size: 1rem;
margin-bottom: 8px;
}

.related-card .card-meta {
padding-top: 0;
border-top: none;
font-size: 0.78rem;
}

/*  移除：评论区域入口样式 (.reading-comments-entry, .comments-icon, .comments-entry-title, .comments-entry-desc) */

/* ===============================
 移动端适配补充
=============================== */
@media (max-width: 480px) {
.navbar, .container {
padding: 0 16px;
}

.reading-scroll {
padding-top: 90px;
padding-bottom: 50px;
}

.reading-article {
padding: 0 18px;
}

.reading-title {
font-size: 1.875rem;
}

.reading-subtitle {
font-size: 1.1rem;
}

.reading-hero-image {
aspect-ratio: 16/9;
margin-bottom: 24px;
}

.reading-meta {
gap: 14px;
padding: 16px 0;
}

.reading-content {
font-size: 1rem;
--reading-line-height: 1.75;
}

.reading-content p:first-child::first-letter {
font-size: 3rem;
}
}

/* ===============================
 阅读界面样式 - 修复封面图片留空问题
=============================== */
.reading-hero-image {
width: 100%;
aspect-ratio: 21/9;
border-radius: var(--radius-lg);
overflow: hidden;
margin-bottom: 32px;
box-shadow: var(--shadow-lg);
position: relative;
background: var(--bg-secondary);
transition: all var(--transition-normal);
}

.reading-hero-image.no-image {
display: none !important;
visibility: hidden;
height: 0;
margin: 0;
padding: 0;
}

.reading-hero-image img {
width: 100%;
height: 100%;
object-fit: cover;
transition: transform 0.8s var(--ease-smooth);
}

.reading-article:hover .reading-hero-image img {
transform: scale(1.03);
}

/* ===============================
 移动端适配补充
=============================== */
@media (max-width: 480px) {
.reading-scroll {
padding-top: 90px;
padding-bottom: 50px;
}

.reading-article {
padding: 0 18px;
}

.reading-title {
font-size: 1.875rem;
}

.reading-subtitle {
font-size: 1.1rem;
}

.reading-hero-image.no-image {
display: none !important;
}

.reading-hero-image {
aspect-ratio: 16/9;
margin-bottom: 24px;
}

.reading-meta {
gap: 14px;
padding: 16px 0;
}

.reading-content {
font-size: 1rem;
--reading-line-height: 1.75;
}

.reading-content p:first-child::first-letter {
font-size: 3rem;
}
}

/* ===============================
 阅读界面元信息 - 确保期数和标签显示
=============================== */
.reading-meta {
display: flex;
align-items: center;
gap: 14px;
padding: 16px 0;
border-bottom: 1px solid var(--border-color);
margin-bottom: 36px;
flex-wrap: wrap;
}

.reading-author {
display: flex;
align-items: center;
gap: 12px;
}

.reading-author .avatar {
width: 40px;
height: 40px;
font-size: 0.9rem;
}

.reading-author-info .name {
font-weight: 600;
font-size: 1rem;
color: var(--text-primary);
}

.reading-author-info .role {
font-size: 0.85rem;
color: var(--text-tertiary);
}

.reading-meta-divider {
color: var(--border-color);
font-size: 0.85rem;
display: inline;
}

.reading-issue {
font-size: 0.85rem;
color: var(--text-tertiary);
font-weight: 500;
display: inline-block;
white-space: nowrap;
}

.reading-category-tag {
padding: 5px 14px;
background: var(--bg-tertiary);
border-radius: 14px;
font-size: 0.82rem;
color: var(--text-secondary);
font-weight: 500;
border: 1px solid var(--border-color);
transition: all var(--transition-fast);
display: inline-flex;
align-items: center;
white-space: nowrap;
height: auto;
}

.reading-category-tag:hover {
background: var(--accent-primary);
color: var(--bg-primary);
border-color: var(--accent-primary);
}




/* ===============================
 阅读界面 - 特别声明样式
=============================== */
.reading-disclaimer {
    margin-top: 60px;
    padding: 24px 0;
    border-top: 1px solid var(--border-light);
    text-align: left;
    animation: fadeInUp 0.6s ease forwards;
}



.disclaimer-text {
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-tertiary);
    margin-bottom: 8px;
    font-weight: 400;
    text-align: justify;
}



.disclaimer-meta {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    opacity: 0.7;
    margin-top: 8px;
    font-style: italic;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .reading-disclaimer {
        margin-top: 40px;
        padding: 20px 0;
    }
    
    .disclaimer-text {
        font-size: 0.8rem;
    }
    
    .disclaimer-line {
        width: 30px;
    }
}