/* 定义主题变量 */
:root {
    --background-color: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
    --text-color: #ffffff; /* 深色主题：白色 */
    --link-color: #ffffff;
    --link-hover-color: #a0b1c5;
    --container-bg: rgba(0, 0, 0, 0.3);
    --item-bg: rgba(0, 0, 0, 0.6); /* 提高对比度 */
    --search-bg: rgba(0, 0, 0, 0.5);
    --fav-bg: rgba(255, 255, 255, 0.7);
    --card-bg: rgba(0, 0, 0, 0.6); /* 提高对比度 */
    --logo-fill: #ffffff;
}

[data-theme="light"] {
    --background-color: linear-gradient(135deg, #f5f5f4 0%, #fff7ed 100%); /* 米白色 */
    --text-color: #1f2937; /* 黑灰色 */
    --link-color: #1f2937;
    --link-hover-color: #4b5563;
    --container-bg: rgba(255, 255, 255, 0.85);
    --item-bg: rgba(255, 255, 255, 0.95); /* 提高对比度 */
    --search-bg: rgba(255, 255, 255, 0.9);
    --fav-bg: rgba(0, 0, 0, 0.15);
    --card-bg: rgba(255, 255, 255, 0.95); /* 提高对比度 */
    --logo-fill: #1f2937;
}

body, html {
    height: 100%;
    margin: 0;
}

body {
    background: var(--background-color);
    color: var(--text-color);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
}

/* 容器 */
.container {
    width: 98%;
    max-width: 900px;
    margin: 0 auto;
    padding: 0.4% 0.4%;
    text-align: center;
    position: relative;
    z-index: 1;
}

/* 卡片容器 */
#card-container {
    width: 96%;
    max-width: 98%;
    margin: 0.4% auto;
    padding: 1.5% 1.5%;
    background: var(--card-bg);
    border-radius: 8px;
    border: 0px solid #1f2937; /* 调试边框 */
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    min-height: 300px;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s ease-in-out;
}

#card-container:not(.show) {
    opacity: 0;
    visibility: hidden;
}

#card-container::-webkit-scrollbar {
    display: none;
}

/* 顶部图标 */
.logo-image {
    width: 60px;
    height: 60px;
    display: block;
    margin: 0.3% auto;
}

/* 网站图标 */
.fav-image {
    width: 36px;
    height: 36px;
    margin: 0;
    background: var(--fav-bg);
    border-radius: 8px;
    display: block;
    opacity: 1;
    visibility: visible;
    border: 0px solid #1f2937; /* 调试边框 */
}

/* 隐藏模块 */
#hom-page, #next-page, #rss-page {
    display: none;
}

#hom {
    width: 100%;
    height: auto;
    margin: 0;
    padding: 0.4% 0.4%;
    text-align: center;
    background: transparent;
    border-radius: 0;
}

#next {
    width: 100%;
    height: auto;
    min-height: 200px;
    margin: 0;
    padding: 0.4% 0.4%;
    text-align: center;
    background: transparent;
    border-radius: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(48px, 1fr));
    grid-gap: 12px;
    justify-content: center;
    align-content: start;
    grid-auto-flow: row;
}

/* 标题 */
h1, h1 a {
    margin: 0.4% 0;
    font-size: 1.2rem;
    text-align: center;
    color: var(--text-color);
}

/* 副标题 */
p {
    margin: 0 0 0.4%;
    font-size: 1rem;
    color: var(--text-color);
    width: 100%;
    max-width: 100%;
    height: auto;
}

/* 菜单 */
.menu, #hom, #hot-search-nav {
    display: flex;
    justify-content: center;
    margin-bottom: 0.4%;
    font-size: 1.0rem;
}

.menu a, #hom a, #hot-search-nav a, h1 a {
    color: var(--link-color);
    text-decoration: none;
    margin: 0.2% 0.2%;
}

.menu a {
    font-size: 1.2rem;
}

#next a {
    color: var(--link-color);
    text-decoration: none;
    margin: 0 0.2%;
    display: block;
}

/* 热搜导航 */
#hot-search-nav {
    background: var(--item-bg);
    padding: 8px;
    border-radius: 4px;
    border: 0px solid #1f2937; /* 调试边框 */
}

/* 热搜列表 */
#hotSearchList {
    list-style: none;
    padding: 0;
    margin: 0.8% auto;
    width: 100%;
    font-size: 1rem;
    color: var(--text-color);
    opacity: 1;
    visibility: visible;
    border: 0px solid #1f2937; /* 调试边框 */
}

#hotSearchList::-webkit-scrollbar {
    display: none;
}

#hotSearchList li {
    background-color: var(--item-bg);
    color: var(--text-color);
    display: flex;
    align-items: center;
    margin: 4px 0;
    padding: 10px;
    border-radius: 6px;
    border: 0px solid #1f2937; /* 调试边框 */
    opacity: 1;
    visibility: visible;
}

#hotSearchList li a {
    color: var(--link-color);
    text-decoration: none;
    margin: auto 10px;
    font-size: 0.9rem;
    flex-grow: 1;
    opacity: 1;
    visibility: visible;
}

#hotSearchList li a:hover {
    color: var(--link-hover-color);
}

.num, .index-column {
    font-size: 0.9rem;
    margin: auto 10px;
    color: var(--text-color);
    opacity: 1;
    visibility: visible;
}

/* 搜索框 */
.search-container {
    display: flex;
    align-items: center;
    height: 40px;
    background-color: var(--search-bg);
    border-radius: 14px;
    overflow: hidden;
    position: relative;
    margin-bottom: 0.4%;
}

input[type="text"] {
    border: none;
    padding: 7px;
    color: var(--text-color);
    width: 85%;
    font-size: 13px;
    background-color: transparent;
    outline: none;
}

select {
    position: absolute;
    right: 1px;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    padding: 5px;
    height: 30px;
    width: 10%;
    background-color: var(--search-bg);
    color: var(--text-color);
    -webkit-appearance: none;
    appearance: none;
    background-repeat: no-repeat;
    background-position: right 7px center;
    background-size: 16px;
    text-indent: 110%;
    overflow: hidden;
}

select.default-icon {
    background-image: url('../images/search.svg');
}

/* RSS 页面 */
#rss-content {
    list-style: none;
    padding: 0;
    margin: 0.4% auto;
    width: 100%;
    max-height: 700px;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

#rss-content::-webkit-scrollbar {
    display: none;
}

#rss-content li.rss-item {
    background: var(--item-bg);
    color: var(--text-color);
    display: flex;
    margin: 0.4px;
    border-radius: 4px;
    justify-content: stretch;
    word-wrap: break-word;
    padding: 10px;
}

#rss-content li.rss-item a {
    color: var(--link-color);
    text-decoration: none;
    margin: auto 5px auto;
    text-align: center;
    padding: 0.4% 0.4%;
    font-size: 0.9rem;
    word-wrap: break-word;
}

#rss-content li.rss-item a:hover {
    color: var(--link-hover-color);
}

#rss-content li.rss-item p {
    margin: auto 5px;
    font-size: 0.9rem;
    color: var(--text-color);
    word-wrap: break-word;
}

#rss-content li.rss-item p a {
    color: var(--link-color);
    text-decoration: none;
    font-size: 0.8rem;
    word-wrap: break-word;
}

#rss-content li.rss-item p a:hover {
    color: var(--link-hover-color);
}

#rss-content li.rss-item .index-column {
    width: 5%;
    margin: auto 0 auto;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-color);
}

#rss-content li.rss-item .num {
    font-size: 0.65rem;
    margin: auto 5px 5px auto;
    color: var(--text-color);
}

/* 小屏幕适配 */
@media (max-width: 767px) {
    .container {
        padding: 0.4% 0.4%;
    }
    .logo-image {
        width: 52px;
        height: 52px;
        margin-bottom: 0.4%;
    }
    .menu a {
        font-size: 1rem;
    }
    h1 {
        margin: 0.4% 0;
        font-size: 1.5rem;
    }
    p {
        font-size: 0.85rem;
        margin-bottom: 0.4%;
    }
    .fav-image {
        width: 45px;
        height: 45px;
    }
    #next {
        grid-template-columns: repeat(auto-fit, minmax(48px, 1fr));
    }
    #card-container {
        padding: 1.5% 1.5%;
        min-height: 240px;
    }
    #hotSearchList li {
        font-size: 0.9rem;
        padding: 8px;
    }
}