/**
 * comic.css - 韩漫风格漫画网站主样式
 * 迭代1-15: 基础样式、布局、导航、卡片、详情页
 */

/* ============ 迭代1: CSS变量和重置样式 ============ */
:root {
    --primary: #00d48a;
    --primary-dark: #00b876;
    --primary-light: rgba(0, 212, 138, 0.1);
    --bg: #f5f5f5;
    --bg-card: #ffffff;
    --text: #222222;
    --text-muted: #888888;
    --text-light: #aaaaaa;
    --border: #e8e8e8;
    --max-width: 720px;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.1);
    --bookshelf-bg: #f68585;
    --transition: all 0.3s ease;
}

/* ============ 夜间模式变量 ============ */
[data-theme="dark"] {
    --bg: #1a1a1a;
    --bg-card: #2d2d2d;
    --text: #e0e0e0;
    --text-muted: #999999;
    --text-light: #666666;
    --border: #404040;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.4);
}

/* 夜间模式图片亮度调节 */
[data-theme="dark"] .reader-image img {
    filter: brightness(0.85);
}

[data-theme="dark"] .book-cover img {
    filter: brightness(0.9);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 18px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

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

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

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

ul, ol {
    list-style: none;
}

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

/* ============ 迭代2: 容器和布局基础 ============ */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 5px;
}

.main {
    padding: 10px 0;
}

.page-wrapper {
    background-color: var(--bg);
    min-height: 100vh;
}

/* ============ 迭代3: 头部导航结构 ============ */
.header {
    background-color: var(--bg-card);
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.site-name {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    margin-right: 15px;
}

.site-name a {
    color: var(--primary);
}

/* ============ 迭代4: 导航项响应式 ============ */
.nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    flex: 1;
}

.nav-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 15px;
    color: var(--text);
    background-color: var(--bg);
    transition: var(--transition);
}

.nav-item:hover {
    background-color: var(--primary-light);
    color: var(--primary);
}

.nav-item.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-weight: 500;
}

/* 导航图标按钮 */
.nav-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--bg);
    color: var(--text-muted);
    transition: var(--transition);
}

.nav-icon:hover {
    background-color: var(--primary-light);
    color: var(--primary);
}

.nav-icon svg {
    width: 18px;
    height: 18px;
}

/* ============ 迭代5: 书架按钮特殊样式 ============ */
.nav-item.bookshelf {
    background-color: var(--bookshelf-bg);
    color: #fff;
}

.nav-item.bookshelf:hover {
    background-color: #e57575;
    color: #fff;
}

/* ============ 迭代6-7: 漫画网格布局 ============ */
.book-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

/* ============ 迭代8: 漫画卡片样式 ============ */
.book-card {
    background-color: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.book-card a {
    display: block;
}

/* ============ 迭代9: 封面图片优化 ============ */
.book-cover {
    position: relative;
    width: 100%;
    padding-top: 133.33%; /* 3:4 比例 */
    overflow: hidden;
    background-color: var(--bg);
}

.book-cover img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

/* 封面标签 */
.book-cover .tag {
    position: absolute;
    top: 8px;
    left: 8px;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.book-cover .tag.hot {
    background: linear-gradient(135deg, #ff6b6b, #ee5a5a);
}

.book-cover .tag.new {
    background: linear-gradient(135deg, #ffa502, #ff8c00);
}

.book-cover .tag.vip {
    background: linear-gradient(135deg, #9b59b6, #8e44ad);
}

.book-cover .tag.completed {
    background: linear-gradient(135deg, #3498db, #2980b9);
}

/* ============ 迭代10: 书名和标签样式 ============ */
.book-info {
    padding: 10px;
}

.book-title {
    font-size: 18px;
    font-weight: 500;
    color: var(--text);
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.book-meta {
    margin-top: 6px;
    font-size: 14px;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.book-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 6px;
}

.book-tags .tag {
    font-size: 14px;
    padding: 2px 6px;
    border-radius: 4px;
    background-color: var(--bg);
    color: var(--text-muted);
}

/* ============ 迭代11: 栏目标题和更多按钮 ============ */
.section {
    margin-bottom: 20px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding: 0 5px;
}

.section-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    position: relative;
    padding-left: 12px;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 18px;
    background-color: var(--primary);
    border-radius: 2px;
}

.section-more {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 14px;
    background-color: var(--primary);
    color: #fff;
    transition: var(--transition);
}

.section-more:hover {
    background-color: var(--primary-dark);
    color: #fff;
}

/* ============ 迭代12: 详情页整体布局 ============ */
.comic-detail {
    background-color: var(--bg-card);
    border-radius: var(--radius);
    padding: 15px;
    margin-bottom: 15px;
}

.comic-header {
    display: flex;
    gap: 15px;
}

.comic-cover {
    flex-shrink: 0;
    width: 160px;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.comic-cover img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
}

.comic-info {
    flex: 1;
    min-width: 0;
}

.comic-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 10px;
    line-height: 1.3;
}

/* ============ 迭代13: 详情页信息排列 ============ */
.comic-meta {
    font-size: 15px;
    color: var(--text-muted);
}

.comic-meta-item {
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.comic-meta-item .label {
    color: var(--text-light);
    flex-shrink: 0;
}

.comic-meta-item .value {
    color: var(--text);
}

.comic-meta-item .value a {
    color: var(--primary);
}

.comic-meta-row {
    display: flex;
    gap: 15px;
}

.comic-desc {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

.comic-desc.collapsed {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ============ 迭代14: 章节列表响应式 ============ */
.chapter-section {
    background-color: var(--bg-card);
    border-radius: var(--radius);
    padding: 15px;
    margin-bottom: 15px;
}

.chapter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.chapter-title {
    font-size: 16px;
    font-weight: 600;
}

.chapter-count {
    font-size: 14px;
    color: var(--text-muted);
}

.chapter-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.chapter-item {
    display: block;
    padding: 10px 12px;
    background-color: var(--bg);
    border-radius: var(--radius-sm);
    font-size: 15px;
    color: var(--text);
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: var(--transition);
}

.chapter-item:hover {
    background-color: var(--primary-light);
    color: var(--primary);
}

.chapter-item.current {
    background-color: var(--primary);
    color: #fff;
}

/* 已读章节样式 */
.chapter-item.read {
    color: var(--text-muted);
    background-color: var(--bg);
}

.chapter-item.read::after {
    content: '✓';
    margin-left: 4px;
    font-size: 12px;
    opacity: 0.6;
}

.chapter-item.last-read {
    position: relative;
    border: 1px solid var(--primary);
    overflow: visible;
}

.last-read-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    background-color: var(--primary);
    color: #fff;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 10px;
    z-index: 1;
}

/* ============ 迭代15: 操作按钮样式 ============ */
.comic-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    flex: 1;
    background-color: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: #fff;
}

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

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-secondary.active {
    background-color: var(--bookshelf-bg);
    border-color: var(--bookshelf-bg);
    color: #fff;
}

/* ============ 迭代16: 热门推荐区块 ============ */
.recommend-section {
    background-color: var(--bg-card);
    border-radius: var(--radius);
    padding: 15px;
    margin-bottom: 15px;
}

.recommend-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

/* ============ 手机端响应式 ============ */
@media (max-width: 640px) {
    /* 迭代4: 导航字体 */
    .nav-item {
        font-size: 16px;
        padding: 6px 10px;
    }

    /* 迭代7: 漫画网格3列 */
    .book-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }

    /* 迭代10: 书名字体 */
    .book-title {
        font-size: 16px;
    }

    .book-info {
        padding: 8px;
    }

    /* 迭代12: 详情页布局 */
    .comic-header {
        gap: 12px;
    }

    .comic-cover {
        width: 130px;
    }

    .comic-cover img {
        aspect-ratio: unset;
        height: auto;
        object-fit: contain;
    }

    .comic-title {
        font-size: 18px;
    }

    /* 迭代13: 状态和更新同行 */
    .comic-meta-row {
        flex-wrap: wrap;
        gap: 10px;
    }

    /* 迭代14: 章节列表单列 */
    .chapter-list {
        grid-template-columns: 1fr;
    }

    /* 迭代16: 推荐4列保持 */
    .recommend-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
    }

    .recommend-grid .book-title {
        font-size: 14px;
    }
}

/* 超小屏幕 */
@media (max-width: 380px) {
    .site-name {
        font-size: 20px;
    }

    .nav-item {
        font-size: 14px;
        padding: 5px 8px;
    }

    .comic-cover {
        width: 130px;
    }
}