/*
Theme Name: Coder Port
Description: A minimalist theme ported from Hugo Coder
Version: 1.2
Author: Gemini
*/

:root {
    --bg-color: #fafafa;
    --text-color: #212121;
    --accent-color: #3498db;
    --meta-color: #898989;
    --border-color: #e0e0e0;
    --code-bg: #f1f1f1;
    --font-base: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --header-height: 80px; /* 定义头部高度用于定位 */
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #212121;
        --text-color: #fafafa;
        --accent-color: #4db6ac;
        --meta-color: #9e9e9e;
        --border-color: #424242;
        --code-bg: #333;
    }
}

* { box-sizing: border-box; }

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-base);
    line-height: 1.8; /* 稍微增加行高提升阅读感 */
    margin: 0;
    padding: 0;
    transition: background-color 0.3s, color 0.3s;
}

a { color: var(--accent-color); text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.8; }

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* --- Header & Nav (Gentle Interaction) --- */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
    position: relative;
    z-index: 100;
}

.site-title {
    font-weight: bold;
    font-size: 1.4rem;
    color: var(--text-color);
    z-index: 102; 
}

/* 汉堡包按钮 */
.menu-toggle {
    display: none; 
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px; /* 增加点击区域 */
    z-index: 102;
    outline: none;
}
.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px; /* 变细一点更精致 */
    margin-bottom: 5px;
    background: var(--text-color);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}
.menu-toggle span:last-child { margin-bottom: 0; }

.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-menu {
    display: flex;
    gap: 25px;
}
.nav-menu a { font-size: 1rem; color: var(--text-color); }

/* 移动端菜单：柔和下拉模式 */
@media (max-width: 768px) {
    .menu-toggle { display: block; }
    
    .nav-menu {
        position: absolute;
        top: 100%; /* 在 Header 正下方 */
        right: 0;
        width: 200px; /* 不占满全屏，类似下拉菜单 */
        background: var(--bg-color);
        flex-direction: column;
        gap: 0;
        border: 1px solid var(--border-color);
        border-radius: 4px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        
        /* 隐藏状态 */
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    /* 激活状态 */
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .nav-menu a {
        display: block;
        padding: 15px 20px;
        border-bottom: 1px solid var(--border-color);
        font-size: 0.95rem;
    }
    .nav-menu a:last-child { border-bottom: none; }
}

/* --- Content & Post Styles (Overflow Fix) --- */
.main-content { flex: 1; display: flex; flex-direction: column; }
.home-centered { justify-content: center; align-items: center; text-align: center; }

/* 首页 Hero 样式维持不变... */
.hero { text-align: center; padding: 20px 0; }
.avatar { width: 140px; height: 140px; border-radius: 50%; object-fit: cover; margin-bottom: 25px; border: 3px solid var(--border-color); }
.hero-title { font-size: 2.2rem; margin: 10px 0; font-weight: 700; }
.hero-desc { color: var(--meta-color); font-size: 1.1rem; max-width: 600px; margin: 0 auto 30px; }
.social-links a { color: var(--text-color); font-size: 1.5rem; margin: 0 10px; }

/* --- Post Content Optimization --- */
.post-header { margin-bottom: 40px; text-align: center; }
.post-title { font-size: 2rem; margin-bottom: 10px; }
.post-meta { color: var(--meta-color); font-size: 0.9rem; }

/* 防止内容溢出 */
.post-content {
    font-size: 1.05rem;
    word-wrap: break-word; /* 强制长单词换行 */
}

/* 图片自适应 */
.post-content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
    border-radius: 4px;
}

/* 代码块防溢出 */
.post-content pre, .post-content code {
    font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
    background: var(--code-bg);
    font-size: 0.9rem;
}

.post-content pre {
    padding: 15px;
    overflow-x: auto; /* 关键：允许横向滚动 */
    border-radius: 4px;
    line-height: 1.45;
    margin: 20px 0;
    border: 1px solid var(--border-color);
}

/* 引用块样式 */
.post-content blockquote {
    margin: 20px 0;
    padding: 10px 20px;
    border-left: 4px solid var(--accent-color);
    background: rgba(0,0,0,0.02);
    color: var(--meta-color);
    font-style: italic;
}

/* --- Post Navigation (Previous/Next) --- */
.post-navigation {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}
.nav-link { max-width: 45%; }
.nav-link a { display: block; color: var(--text-color); }
.nav-link span { display: block; font-size: 0.8rem; color: var(--meta-color); margin-bottom: 5px; }
.nav-next { text-align: right; }


/* --- Archive Page Styles --- */
/* 复用上一版样式 */
.archive-year-header { font-size: 1.5rem; font-weight: bold; margin-top: 50px; margin-bottom: 20px; color: var(--text-color); }
.archive-year-count { font-size: 1rem; font-weight: normal; color: var(--meta-color); margin-left: 10px; }
.archive-month-block { margin-left: 20px; margin-bottom: 30px; }
.archive-month-label { font-size: 1.1rem; color: var(--accent-color); margin-bottom: 10px; font-weight: bold; }
.archive-list { list-style: none; padding: 0; margin: 0; }
.archive-list li { display: flex; justify-content: space-between; padding: 8px 0; }
.archive-title-link { color: var(--text-color); flex: 1; }
.archive-date { font-family: monospace; color: var(--meta-color); margin-left: 15px; white-space: nowrap; }

/* Footer */
.footer { text-align: center; margin-top: auto; padding: 40px 0 20px; font-size: 0.8rem; color: var(--meta-color); }