:root {
    --bg: #f7f8fa;
    --card-bg: #ffffff;
    --text: #2c3e50;
    --text-light: #8590a6;
    --accent: #ff6b35;
    --accent-dark: #e55a2b;
    --border: #eaecef;
    --radius: 10px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

a { color: var(--text); text-decoration: none; }
a:hover { color: var(--accent); }

/* 头部 */
.site-header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}
.header-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 56px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
}
.logo-img {
    height: 32px;
    width: auto;
}
.nav a {
    margin-left: 24px;
    font-size: 15px;
    color: var(--text);
}
.nav a:first-child { margin-left: 0; }
.header-search {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 8px;
}
.header-search .search-input {
    width: 220px;
    padding: 6px 12px;
}
.nav a:hover { color: var(--accent); }

.main { padding: 32px 20px 48px; min-height: calc(100vh - 170px); }

/* 首屏 */
.hero { text-align: center; margin-bottom: 32px; }
.hero h1 { font-size: 28px; margin-bottom: 8px; }
.hero-sub { color: var(--text-light); font-size: 14px; margin-bottom: 20px; }
.search-input {
    width: 100%;
    max-width: 420px;
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 14px;
    outline: none;
    background: var(--card-bg);
}
.search-input:focus { border-color: var(--accent); }
.htmx-indicator { display: none; color: var(--text-light); font-size: 13px; }
.htmx-request .htmx-indicator, .htmx-request.htmx-indicator { display: inline-block; margin-top: 8px; }

/* 文章卡片 */
.post-card {
    display: flex;
    gap: 20px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 22px;
    margin-bottom: 18px;
    transition: box-shadow .2s ease, transform .2s ease;
}
.post-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, .06);
    transform: translateY(-2px);
}
.post-thumb {
    flex-shrink: 0;
    width: 180px;
    height: 120px;
    border-radius: 8px;
    overflow: hidden;
}
.post-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .3s ease;
}
.post-card:hover .post-thumb img { transform: scale(1.06); }
.post-card-body { flex: 1; min-width: 0; }
.post-title { font-size: 20px; margin-bottom: 8px; }
.post-summary {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.post-summary > :first-child { margin-top: 0; }
.post-summary > :last-child { margin-bottom: 0; }
/* 摘要里的视频/图片：缩放到卡片内完整可见，又不至于过高 */
.post-summary video,
.post-summary img {
    max-width: 100%;
    max-height: 200px;
    width: auto;
    height: auto;
    display: block;
    border-radius: 6px;
    background: #000;
}
/* 摘要含视频时取消两行截断，保证视频完整可见 */
.post-summary:has(video) {
    display: block;
    -webkit-line-clamp: unset;
}
.post-meta { font-size: 13px; color: var(--text-light); }
.meta-item { margin-right: 14px; }
.category { color: var(--accent); }
.tag { color: var(--text-light); }
.tag:hover, .category:hover { color: var(--accent-dark); }

/* 加载更多 */
#load-more { text-align: center; margin-top: 8px; }
.btn-load-more {
    padding: 9px 28px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--card-bg);
    color: var(--text-light);
    font-size: 14px;
    cursor: pointer;
}
.btn-load-more:hover { color: var(--accent); border-color: var(--accent); }

/* 文章详情 */
.post-detail {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 40px;
}
.detail-title { font-size: 26px; margin-bottom: 12px; }
.detail-meta { margin-bottom: 28px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.post-content { font-size: 15px; }
.post-content h1, .post-content h2, .post-content h3 { margin: 24px 0 12px; }
.post-content p { margin-bottom: 14px; }
.post-content img { max-width: 100%; border-radius: 6px; }
.post-content code {
    background: #f0f2f5;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
    font-family: "JetBrains Mono", Consolas, monospace;
}
.post-content pre {
    background: #282c34;
    color: #abb2bf;
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: 16px;
}
.post-content pre code { background: none; color: inherit; padding: 0; }
.post-content blockquote {
    border-left: 3px solid var(--accent);
    padding-left: 14px;
    color: var(--text-light);
    margin: 14px 0;
}
.post-content ul, .post-content ol { padding-left: 24px; margin-bottom: 14px; }
.post-content table { border-collapse: collapse; margin-bottom: 16px; width: 100%; }
.post-content th, .post-content td { border: 1px solid var(--border); padding: 8px 12px; font-size: 14px; }

/* 点赞 */
.like-area { text-align: center; margin-top: 36px; }
.btn-like {
    padding: 10px 30px;
    border: 1px solid var(--accent);
    border-radius: 22px;
    background: transparent;
    color: var(--accent);
    font-size: 15px;
    cursor: pointer;
    transition: all .2s;
}
.btn-like:hover { background: var(--accent); color: #fff; }
.btn-like.htmx-request { opacity: .6; pointer-events: none; }

/* 归档 */
.page-title { font-size: 24px; margin-bottom: 24px; }
.archive-year { font-size: 18px; margin: 20px 0 10px; color: var(--accent); }
.archive-list { list-style: none; }
.archive-list li {
    padding: 8px 0;
    border-bottom: 1px dashed var(--border);
    font-size: 15px;
}
.archive-date { color: var(--text-light); font-size: 13px; margin-right: 12px; }

/* 分页 */
.pagination {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 8px;
    margin-top: 24px;
}
.page-link {
    padding: 2px 6px;
    font-size: 14px;
    color: var(--text-light);
}
.page-num::before { content: "【"; }
.page-num::after { content: "】"; }
a.page-link:hover { color: var(--accent); }
.page-num.current { color: var(--accent); font-weight: 700; }

/* 其他 */
.empty { text-align: center; color: var(--text-light); padding: 40px 0; }
.not-found { text-align: center; padding: 60px 0; }
.not-found h1 { font-size: 64px; color: var(--accent); }

/* 页脚 */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 20px 0;
    text-align: center;
    color: var(--text-light);
    font-size: 13px;
    background: var(--card-bg);
}

@media (max-width: 640px) {
    .post-detail { padding: 24px 20px; }
    .post-card { padding: 18px 20px; }
}

/* 视频嵌入 */
.post-content video {
    max-width: 100%;
    border-radius: 8px;
    margin: 14px 0;
    background: #000;
}

/* 代码高亮容器 */
.post-content .codehilite {
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: 16px;
}
.post-content .codehilite pre { margin-bottom: 0; }

/* 后台通用 */
.btn-primary {
    display: inline-block;
    padding: 8px 22px;
    border: none;
    border-radius: 6px;
    background: var(--accent);
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
}
.btn-primary:hover { background: var(--accent-dark); color: #fff; }
.btn-link { color: var(--text-light); font-size: 14px; margin-left: 16px; }
.btn-link:hover { color: var(--accent); }
.btn-danger {
    border: none;
    background: none;
    color: #d9534f;
    cursor: pointer;
    font-size: 14px;
    padding: 0;
}
.form-input {
    width: 100%;
    padding: 9px 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    outline: none;
    background: var(--card-bg);
}
.form-input:focus { border-color: var(--accent); }
.form-error { color: #d9534f; margin-bottom: 14px; }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 13px; color: var(--text-light); margin-bottom: 6px; }
.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 14px;
    margin-bottom: 16px;
}
.form-row-2 label { display: block; font-size: 13px; color: var(--text-light); margin-bottom: 6px; }
.form-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.checkbox { font-size: 14px; color: var(--text); }

/* 登录 */
.admin-login { max-width: 360px; margin: 60px auto; text-align: center; }
.admin-login form { display: flex; flex-direction: column; gap: 14px; }

/* 文章列表 */
.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}
.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    font-size: 14px;
}
.admin-table th, .admin-table td {
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.admin-table th { background: #fafbfc; color: var(--text-light); font-weight: 500; }
.admin-actions { display: flex; gap: 12px; align-items: center; }
.admin-actions form { margin: 0; }

/* 编辑器 */
.editor-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}
.btn-tool {
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--card-bg);
    font-size: 13px;
    cursor: pointer;
    color: var(--text);
}
.btn-tool:hover { border-color: var(--accent); color: var(--accent); }
#upload-status { font-size: 13px; color: var(--text-light); }
.editor-panes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 16px;
}
.editor-panes textarea {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 14px;
    line-height: 1.6;
    resize: vertical;
    outline: none;
    background: var(--card-bg);
}
.editor-panes textarea:focus { border-color: var(--accent); }
.preview-pane {
    border: 1px dashed var(--border);
    border-radius: 8px;
    padding: 14px;
    background: var(--card-bg);
    overflow-y: auto;
    max-height: 520px;
}
.preview-pane:empty::before {
    content: "预览区：输入内容后实时渲染";
    color: var(--text-light);
    font-size: 13px;
}

@media (max-width: 720px) {
    .editor-panes { grid-template-columns: 1fr; }
    .form-row-2 { grid-template-columns: 1fr; }
}

/* 双栏布局 */
.layout { display: flex; gap: 26px; align-items: flex-start; }
.layout-content { flex: 1; min-width: 0; }
.sidebar { width: 280px; flex-shrink: 0; }

/* 侧栏组件 */
.widget {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
    margin-bottom: 18px;
}
.widget-title { font-size: 15px; margin-bottom: 14px; }
.widget-list { list-style: none; }

/* 分类 */
.category-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 7px 0;
    border-bottom: 1px dashed var(--border);
    font-size: 14px;
}
.category-list li:last-child { border-bottom: none; }
.count {
    background: #f0f2f5;
    color: var(--text-light);
    font-size: 12px;
    border-radius: 10px;
    padding: 1px 8px;
}

/* 标签云 */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-item {
    font-size: 13px;
    color: var(--text);
    background: #f5f6f8;
    border-radius: 14px;
    padding: 3px 10px;
}
.tag-item:hover { background: var(--accent); color: #fff; }
.tag-item:hover .count { background: rgba(255,255,255,.25); color: #fff; }
.tag-item .count { margin-left: 4px; padding: 0 6px; }

/* 排行选项卡 */
.tab-header { display: flex; gap: 4px; margin-bottom: 12px; }
.tab-btn {
    flex: 1;
    border: none;
    background: none;
    font-size: 13px;
    color: var(--text-light);
    cursor: pointer;
    padding: 6px 0;
    border-bottom: 2px solid transparent;
}
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.rank-list { counter-reset: rank; padding-left: 0; }
.rank-list.hidden { display: none; }
.rank-list li {
    counter-increment: rank;
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding: 6px 0;
    font-size: 14px;
}
.rank-list li::before {
    content: counter(rank);
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    font-size: 11px;
    border-radius: 4px;
    background: #f0f2f5;
    color: var(--text-light);
}
.rank-list li:nth-child(-n+3)::before { background: var(--accent); color: #fff; }
.rank-list li a {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.rank-meta { flex-shrink: 0; font-size: 12px; color: var(--text-light); }

/* 站点统计 */
.site-stats { text-align: center; font-size: 13px; color: var(--text-light); }
.site-stats strong { color: var(--accent); font-size: 18px; }

@media (max-width: 860px) {
    .layout { flex-direction: column; }
    .sidebar { width: 100%; }
}

@media (max-width: 640px) {
    .post-card { flex-direction: column; padding: 16px 18px; }
    .post-thumb { width: 100%; height: 160px; }
}