/* yuedu.css - yuedu.html 独有样式 */

/* 暗色模式相关样式 */
body.dark-mode {
    background-color: var(--dark-bg);
    color: var(--dark-text);
}

/* 章节信息区域 */
.chapter-info {
    background-color: var(--light-bg);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin: 20px 0;
    transition: background-color 0.3s, color 0.3s;
}

.dark-mode .chapter-info {
    background-color: var(--card-bg-dark);
    color: var(--dark-text);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.chapter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.chapter-title {
    font-size: 1.8rem;
    color: var(--primary-color);
    line-height: 1.4;
    margin-bottom: 0;
}

.dark-mode .chapter-title {
    color: #3498db;
}

/* 阅读设置 - 移到章节标题右侧 */
.reading-settings {
    display: flex;
    align-items: center;
    gap: 20px;
    transition: background-color 0.3s, color 0.3s;
}

.font-size-controls, .theme-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
}

.font-btn, .theme-btn {
    background-color: #f0f0f0;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 8px 12px;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--light-text);
    font-size: 0.9rem;
}

.dark-mode .font-btn, .dark-mode .theme-btn {
    background-color: #3a3a3a;
    border: 1px solid var(--border-color-dark);
    color: var(--dark-text);
}

.font-btn:hover, .theme-btn:hover {
    background-color: var(--secondary-color);
    color: white;
}

.font-btn.active {
    background-color: var(--secondary-color);
    color: white;
}

.theme-btn.active {
    background-color: var(--secondary-color);
    color: white;
}

/* 章节内容区域 */
.chapter-content {
    background-color: var(--light-bg);
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 20px;
    transition: background-color 0.3s, color 0.3s;
}

.dark-mode .chapter-content {
    background-color: var(--card-bg-dark);
    color: var(--dark-text);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.chapter-text {
    font-size: 1.1rem;
    line-height: var(--line-height);
}

.chapter-text p {
    margin-bottom: 1.5rem;
    text-indent: 2em;
}

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

/* 章节导航 */
.chapter-nav {
    display: flex;
    justify-content: space-between;
    margin: 30px 0 40px;
    gap: 15px;
}

.nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    background-color: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.95rem;
    transition: all 0.2s;
    flex: 1;
    max-width: 400px;
    color: var(--light-text);
	width:33%;
}
.dark-mode .nav-btn {
    background-color: var(--card-bg-dark);
    border: 1px solid var(--border-color-dark);
    color: var(--dark-text);
}

.nav-btn:hover {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
    text-decoration: none;
}

.nav-btn.prev {
    text-align: left;
}

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

/* 返回按钮 */
.back-to-book {
    display: inline-block;
    margin: 20px 0;
    padding: 10px 20px;
    background-color: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: all 0.2s;
    color: var(--light-text);
}

.dark-mode .back-to-book {
    background-color: var(--card-bg-dark);
    border: 1px solid var(--border-color-dark);
    color: var(--dark-text);
}

.back-to-book:hover {
    background-color: var(--secondary-color);
    color: white;
    text-decoration: none;
    border-color: var(--secondary-color);
}

/* 字体大小类 */
.font-small .chapter-text {
    font-size: 0.95rem;
}

.font-medium .chapter-text {
    font-size: 1.1rem;
}

.font-large .chapter-text {
    font-size: 1.3rem;
}

/* yuedu.html 独有响应式设计 */
@media (max-width: 768px) {
    .chapter-info, .chapter-content {
        padding: 20px 15px;
    }
    
    .chapter-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .chapter-title {
        font-size: 1.5rem;
        width: 100%;
    }
    
    .reading-settings {
        width: 100%;
        justify-content: space-between;
    }
    
}