/* 浅色模式颜色 */
[data-theme=light] {
    --card-title-color: #000000;
    --body-background-color: #f4f4f9;
    --random-container-title-color: #000000;
    --random-article-bg-color: white;
    --random-article-shadow-color: rgba(0, 0, 0, 0.1);
    --random-container-hover-color: #3498db;
    --random-author-color: gray;
    --random-title-color: #000000;
    --modal-bg-color: rgba(255, 255, 255, 0.5);
    --modal-bg-blur: 25px;
    --modal-content-bg-color: rgba(239, 250, 255, 0.7);
    --modal-content-border-color: #ccc;
    --modal-article-title-color: #000000;
    --modal-article-date-color: #313131;
    --load-more-btn-bg-color: white;
    --load-more-btn-border-color: #b5b5b5;
    --load-more-btn-hover-color: #0088ff;
    --card-bg-color: white;
    --card-border-color: #e3e8f7;
    --card-title-hover-color: #007bff;
    --card-author-color: #313131;
    --card-author-bg-color: white;
    --card-author-shadow-color: rgba(0, 0, 0, 0.1);
}

/* 深色模式颜色 */
[data-theme=dark] {
    --card-title-color: #ffffff;
    --body-background-color: #181818;
    --random-container-title-color: #ffffff;
    --random-article-bg-color: #2c2c2c;
    --random-article-shadow-color: rgba(255, 255, 255, 0.1);
    --random-container-hover-color: #3498db;
    --random-author-color: #b3b3b3;
    --random-title-color: #ffffff;
    --modal-bg-color: rgba(0, 0, 0, 0.3);
    --modal-bg-blur: 25px;
    --modal-content-bg-color: rgba(20, 20, 20, 0.5);
    --modal-content-border-color: #42444a;
    --modal-article-title-color: #ffffff;
    --modal-article-date-color: #b3b3b3;
    --load-more-btn-bg-color: #2c2c2c;
    --load-more-btn-border-color: #42444a;
    --load-more-btn-hover-color: #0088ff;
    --card-bg-color: #2c2c2c;
    --card-border-color: #42444a;
    --card-title-hover-color: #0088ff;
    --card-author-color: #dddddd;
    --card-author-bg-color: #2c2c2c;
    --card-author-shadow-color: rgba(255, 255, 255, 0.1);
}

/* 以下是原有样式，使用新定义的变量 */
body {
    font-family: Arial, sans-serif;
    background-color: var(--body-background-color);
    margin: 0px;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    min-height: 100vh;
}

/* 随机友链文章卡片 */
#random-article {
    display: flex;
    position: relative;
    width: 100%;
    margin: 10px 20px;
    background-color: var(--random-article-bg-color);
    border-radius: 10px;
    box-shadow: 0 4px 8px var(--random-article-shadow-color);
    height: 210px;
}

.random-container {
    position: relative;
    margin: 20px;
    width: 100%;
    height: 170px;
}

.random-container:hover .random-title {
    font-size: 32px;
}

.random-author {
    font-size: 14px;
    color: var(--random-author-color);
    margin-bottom: 10px;
}

.random-container-title {
    color: var(--random-container-title-color);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
}

.random-link-button {
    position: absolute;
    bottom: 20px;
    right: 20px;
    padding: 10px 20px;
    border: none;
    border-radius: 20px;
    background-color: var(--random-container-hover-color);
    color: #fff;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s ease-in-out;
}

.random-title {
    margin-bottom: 10px;
    font-size: 30px;
    color: var(--random-title-color);
    transition: font-size 0.3s ease-in-out;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 模态框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--modal-bg-color);
    backdrop-filter: blur(var(--modal-bg-blur));
    /* 应用高斯模糊效果，可以根据需要调整模糊程度 */
    -webkit-backdrop-filter: blur(var(--modal-bg-blur));
    /* 兼容性前缀，适用于一些旧版本的浏览器 */
    z-index: 999;
    opacity: 0;
    /* 初始透明度 */
    visibility: hidden;
    /* 初始不可见 */
    transition: opacity 0.3s;
    /* 过渡效果，持续时间为 0.3 秒 */
}

.modal-open {
    opacity: 1;
    /* 透明度变为完全不透明 */
    visibility: visible;
    /* 可见 */
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 320px;
    /* transform: translate(-50%, -50%); */
    background-color: var(--modal-content-bg-color);
    padding: 20px;
    border: 1px solid var(--modal-content-border-color);
    z-index: 1000;
    max-height: 90%;
    overflow-y: auto;
    border-radius: 20px;
    transition: opacity 0.3s;
    /* 过渡效果，持续时间为 0.3 秒 */
}

@media screen and (max-width: 400px) {
    .modal-content {
        width: 80%;
    }
}

#modal-author-avatar {
    display: block;
    margin: 0 auto 10px;
    /* 垂直方向上自动居中，底部留出间距 */
    border-radius: 50%;
    /* 圆形图标 */
    width: 80px;
    height: 80px;
}

#modal-author-name-link {
    display: block;
    text-align: center;
    font-size: 15px;
    margin: 25px 0;
    color: var(--random-container-hover-color);
    text-decoration: none;
}

#modal-author-name-link:hover {
    text-decoration: underline;
}

.modal-content hr {
    margin: 20px 0;
}

#modal-articles-container {
    border-top: var(--random-container-hover-color) double 2px;
    margin-top: 20px;
    padding-top: 10px;
}

.modal-article {
    display: flex;
    flex-wrap: wrap;
    /* This property allows the elements to wrap onto multiple lines */
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: var(--random-container-hover-color) dashed 1px;
}

.modal-article .modal-article-title {
    font-size: 18px;
    cursor: pointer;
    color: var(--modal-article-title-color);
    height: 2.5em; /* 两行高度 */
    width: 100%;
    margin-bottom: 5px;
    text-decoration: none;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.modal-article .modal-article-title:hover {
    color: var(--random-container-hover-color);
    text-decoration: underline;
}

.modal-article .modal-article-date {
    font-size: 12px;
    width: 100%;
    color: var(--modal-article-date-color);
    padding: 5px;
    cursor: default;
    text-align: right;
    /* Add this line to align the text to the right */
}

/* 其他样式... */

.articles-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 8px;
    width: 100%;
}

#load-more-btn {
    font-size: 15px;
    color: var(--modal-article-date-color);
    background-color: var(--load-more-btn-bg-color);
    margin-top: 20px;
    width: 200px;
    border-radius: 20px;
    padding: 3px;
    border: var(--load-more-btn-border-color) solid 1px;
    transition: all 0.3s;
}

#load-more-btn:hover {
    background-color: var(--load-more-btn-hover-color);
    width: 300px;
    color: white;
}

.card {
    background-color: var(--card-bg-color);
    border-radius: 10px;
    padding: 10px;
    border: 1px solid var(--card-border-color);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 120px;
}

.card-title {
    color: var(--card-title-color);
    z-index: 1;
    font-size: 17px;
    cursor: pointer;
    margin-bottom: 10px;
    line-height: 1.5;
    max-height: 4.5em;
    /* 三行高度 */
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    transition: color 0.3s;
    /* 添加过渡效果 */
}

.card-title:hover {
    /* 字体变成蓝色，下划线 */
    color: var(--card-title-hover-color);
    text-decoration: underline;
}

.card-author,
.card-date {
    font-size: 12px;
    color: var(--card-author-color);
    padding: 5px;
    /* 内边距 */
    transition: box-shadow 0.2s;
    /* 过渡效果 */
}

.card-author:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    /* 鼠标悬停时加深阴影 */
}

.card-author {
    cursor: pointer;
    background-color: var(--card-author-bg-color);
    /* 白色背景 */
    box-shadow: 0 2px 4px var(--card-author-shadow-color);
    /* 阴影 */
    border-radius: 15px;
    /* 圆角 */
    display: flex;
    padding-right: 10px;
    width: fit-content;
    align-items: center;
}

.card-author img {
    border-radius: 50%;
    width: 15px;
    height: 15px;
    margin-right: 5px;
}

.card-date {
    position: absolute;
    z-index: 1;
    bottom: 10px;
    cursor: default;
    right: 10px;
    display: flex;
    align-items: center;
}

.card-bg {
    z-index: 0;
    border-radius: 50%;
    position: absolute;
    bottom: -20px;
    right: -15px;
    width: 140px;
    height: 140px;
    opacity: 0.4;
}