/* Body Content and General Settings */
/* self-defined font */

@font-face {
    font-family: "BodyMainFont";
    src: url('./assets/newly-added/fonts/SourceSerif4Caption-Light.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: "CodeFont";
    src: url('./assets/newly-added/fonts/JetBrainsMono-Medium.ttf') format('truetype');
}


body {
    font-family: "BodyMainFont", sans-serif;  /* use self-defined font first */
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
    background: linear-gradient(to top, #fbc2eb 0%, #a6c1ee 100%);
}

/* code font */
code {
    font-family: "CodeFont", 'Courier New', Courier, monospace;
}

/* Header Content */
header {
    background-color: #a6c1ee;
    padding: 8px 0;
    text-align: center;
    /* position: fixed; */
    top: 0;
    width: 100%;
    /* z-index: 1000; */
}

.headerTitle {
    font-size: 28px;
    font-weight: 600;
}


h1 {
    font-size: 28px;
}

h2 {
    font-size: 24px;
}

p {
    font-size: 18px;
}


/* Main Content */
main {
    margin-top: 40px;
    padding-left: 20px;
    padding-right: 20px;
    margin-bottom: 60px;
}

main section {
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 20px;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.45);
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    font-size: 18px;
}


/* Footer */
footer {
    color: rgb(62, 62, 62);
    text-align: center;
    padding: 6px 0;
    /* position: fixed; */
    bottom: 0;
    width: 100%;
    background-color: #fbc2eb;
}

/* ==================================== */
/* Theme Toggle Button Styles      */
/* ==================================== */

#theme-toggle-button {
    position: absolute;
    top: 8px;
    right: 20px;
    background: rgba(255, 255, 255, 0.4);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 20px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.3s;
    display: flex;
    justify-content: center;
    align-items: center;
}

#theme-toggle-button:hover {
    transform: scale(1.1);
}


/* ==================================== */
/* Dark Mode Styles            */
/* ==================================== */

/* 核心技巧：当 body 标签拥有 .dark-mode 类时，应用以下所有样式 */
body.dark-mode {
    background: linear-gradient(to top, #09203f 0%, #537895 100%);
    color: #e0e0e0;
}

body.dark-mode header {
    background-color: #1a2c3a;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

body.dark-mode main section {
    background-color: rgba(0, 0, 0, 0.3);
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode footer {
    background-color: #09203f;
    color: #a0a0a0;
}

/* 暗色模式下的 KaTeX 数学公式颜色反转 */
body.dark-mode .katex {
    color: #e0e0e0;
}

/* 暗色模式下的 details/summary 标签样式 */
body.dark-mode details summary {
    color: #a6c1ee; /* A touch of color from the light theme */
}

/* 暗色模式下按钮的样式 */
body.dark-mode #theme-toggle-button {
    background: rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.2);
    color: #fff;
}

/* ==================================== */
/* GitHub Activity Feed Styles     */
/* ==================================== */

#github-activity-feed {
    max-height: 400px; /* 设置一个最大高度，超出则滚动 */
    overflow-y: auto;  /* 内容超出时显示垂直滚动条 */
    padding-right: 15px; /* 为滚动条留出空间 */
}

.activity-item {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #ddd;
    line-height: 1.6;
}

.activity-item:last-child {
    border-bottom: none; /* 最后一个条目不需要下边框 */
    margin-bottom: 0;
}

.activity-item .repo-link {
    font-weight: bold;
    color: #0366d6;
    text-decoration: none;
    font-family: "CodeFont", 'Courier New', Courier, monospace;
}

.activity-item .repo-link:hover {
    text-decoration: underline;
}

.activity-item .activity-time {
    display: block;
    font-size: 14px;
    color: #586069;
    margin-top: 4px;
}

/* 确保暗色模式下样式也适配 */
body.dark-mode .activity-item {
    border-bottom-color: #444;
}

body.dark-mode .activity-item .repo-link {
    color: #8ab4f8; /* 亮蓝色，在深色背景上很清晰 */
}

body.dark-mode .activity-item .activity-time {
    color: #8892b0;
}