/* ============================================================
   HH Blog 全局样式（响应式：电脑 + 手机）
   ============================================================ */
:root {
    --primary: #6c8ff7;
    --primary-dark: #4f6edb;
    --accent: #ff9ecb;
    --bg: #f7f8ff;
    --card-bg: #ffffff;
    --text: #333a4d;
    --text-light: #8a90a3;
    --border: #e6e9f5;
    --radius: 14px;
    --shadow: 0 2px 10px rgba(80, 100, 180, .08);
    --danger: #e85d6f;
    --success: #3fbf8f;
    --warning: #f0a83b;
    --purple: #9b7ced;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
    font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 15px;
}

a { color: var(--primary-dark); text-decoration: none; }
a:hover { opacity: .85; }

img { max-width: 100%; height: auto; }

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 16px;
}

/* ---------- 顶部导航 ---------- */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 1px 6px rgba(80,100,180,.05);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 60px;
    flex-wrap: wrap;
}
.brand { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-size: 19px; font-weight: 700; color: var(--text); }
.brand-slogan { font-size: 11px; color: var(--text-light); }

.site-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}
.site-nav > a {
    padding: 7px 12px;
    border-radius: 10px;
    color: var(--text);
    font-weight: 500;
}
.site-nav > a:hover { background: #eff2ff; }
.site-nav > a.active { background: var(--primary); color: #fff; }

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 20px;
    padding: 4px 10px;
    cursor: pointer;
}

.inline-form { display: inline-block; margin: 0; }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-block;
    padding: 9px 18px;
    border: none;
    border-radius: 12px;
    background: #eef1ff;
    color: var(--primary-dark);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: .15s;
    line-height: 1.4;
}
.btn:hover { filter: brightness(1.05); opacity: 1; transform: translateY(-1px); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-danger { background: #fdecef; color: var(--danger); }
.btn-outline { background: #fff; border: 1.5px solid var(--border); color: var(--text); }
.btn-sm { font-size: 12.5px; padding: 6px 12px; }
.btn-lg { font-size: 16px; padding: 12px 26px; border-radius: 14px; }
.btn-block { width: 100%; display: block; }
.btn-xs { font-size: 12px; padding: 3px 9px; border-radius: 8px; }

/* ---------- 主内容 ---------- */
.site-main { min-height: calc(100vh - 160px); padding-top: 24px; padding-bottom: 40px; }

/* ---------- 提示条 ---------- */
.alert {
    padding: 12px 16px;
    border-radius: 12px;
    margin-bottom: 14px;
    font-size: 14px;
    border: 1px solid;
}
.alert-success { background: #e9faf2; border-color: #bfe8d5; color: #21805c; }
.alert-error { background: #fdeeef; border-color: #f5c8cd; color: #c24858; }
.alert-warning { background: #fff7e6; border-color: #f4ddab; color: #b27b1e; }
.alert-info { background: #eaf2ff; border-color: #c9dcff; color: #3d66c4; }

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

/* ---------- Hero ---------- */
.hero {
    background: linear-gradient(135deg, #eef2ff 0%, #ffeef7 100%);
    border-radius: var(--radius);
    padding: 34px 26px;
    margin-bottom: 24px;
    text-align: center;
}
.hero h1 { font-size: 26px; margin-bottom: 6px; }
.hero p { color: var(--text-light); }
.small-hero { padding: 22px; }
.small-hero h1 { font-size: 22px; }

/* ---------- 布局网格 ---------- */
.layout-grid {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 24px;
    align-items: start;
}

/* ---------- 文章列表 ---------- */
.section-title { margin-bottom: 14px; }
.section-title h2 { font-size: 19px; }

.post-list { display: flex; flex-direction: column; gap: 14px; }
.post-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
    box-shadow: var(--shadow, 0 1px 4px rgba(0,0,0,.04));
}
.post-cat {
    display: inline-block;
    background: #eef2ff;
    color: var(--primary-dark);
    font-size: 11.5px;
    border-radius: 20px;
    padding: 1px 10px;
    margin-bottom: 6px;
}
.post-title { font-size: 18px; margin-bottom: 4px; }
.post-title a { color: var(--text); }
.post-excerpt { color: var(--text-light); font-size: 13.5px; margin-bottom: 8px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-meta { display: flex; gap: 12px; flex-wrap: wrap; font-size: 12.5px; color: var(--text-light); align-items: center; }

/* ---------- 分页 ---------- */
.pagination { display: flex; justify-content: center; align-items: center; gap: 14px; margin-top: 24px; }
.page-info { color: var(--text-light); font-size: 13px; }

/* ---------- 侧栏 ---------- */
.side-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 14px;
}
.side-card h3 { font-size: 14.5px; margin-bottom: 10px; color: var(--text); }
.side-list { list-style: none; }
.side-list li { padding: 5px 0; font-size: 13.5px; }
.side-list .count { color: var(--text-light); font-size: 12px; }
.more-link { margin-top: 8px; font-size: 13px; }

/* ---------- 标签 ---------- */
.tag-chip {
    display: inline-block;
    background: #f2f3fb;
    border-radius: 16px;
    padding: 2px 10px;
    font-size: 12px;
    color: #68708e;
    margin: 2px 3px 2px 0;
}
.tag-chip:hover { background: #e2e6ff; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 4px; }

/* ---------- 搜索表单 ---------- */
.search-form { display: flex; gap: 8px; }
.search-form input { flex: 1; }

/* ---------- 文章详情 ---------- */
.breadcrumb { font-size: 13px; color: var(--text-light); margin-bottom: 14px; }
.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--primary-dark); }
.post-detail {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 30px;
}
.detail-title { font-size: 26px; margin-bottom: 10px; }

/* Markdown 正文 */
.markdown-body { margin-top: 18px; font-size: 15.5px; }
.markdown-body h1 { font-size: 22px; margin: 26px 0 10px; }
.markdown-body h2 { font-size: 19px; margin: 24px 0 10px; }
.markdown-body h3 { font-size: 17px; margin: 20px 0 8px; }
.markdown-body p { margin: 10px 0; }
.markdown-body ul, .markdown-body ol { margin: 10px 0 10px 22px; }
.markdown-body li { margin: 4px 0; }
.markdown-body blockquote {
    border-left: 4px solid var(--accent);
    background: #fff4f8;
    padding: 8px 14px;
    border-radius: 0 10px 10px 0;
    margin: 12px 0;
    color: #5c6478;
}
.markdown-body code {
    background: #f1f2fa;
    border-radius: 6px;
    padding: 2px 6px;
    font-family: "Cascadia Code", Consolas, monospace;
    font-size: 13.5px;
}
.markdown-body pre.code-block {
    background: #262b3d;
    color: #e8ecff;
    border-radius: 12px;
    padding: 14px 16px;
    overflow-x: auto;
    margin: 14px 0;
}
.markdown-body pre.code-block code { background: transparent; color: inherit; padding: 0; }
.markdown-body img.md-img {
    border-radius: 12px;
    max-width: 100%;
    margin: 10px 0;
    box-shadow: 0 3px 12px rgba(0,0,0,.1);
}
.markdown-body hr { border: none; border-top: 1px dashed var(--border); margin: 20px 0; }

.post-nav {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    font-size: 13.5px;
}
.post-nav a { max-width: 48%; }
.post-nav-next { text-align: right; }

/* ---------- 归档 ---------- */
.archive-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.archive-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.archive-month { font-weight: 600; }
.archive-count { font-size: 12.5px; color: var(--text-light); }

/* ---------- 相册 ---------- */
.album-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.album-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: .15s;
    display: block;
}
.album-card:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(80,100,180,.12); }
.album-cover { height: 150px; background-size: cover; background-position: center; }
.album-cover-empty {
    display: flex; align-items: center; justify-content: center;
    font-size: 44px; background: linear-gradient(135deg, #eef2ff, #ffdff0);
}
.album-info { padding: 14px; }
.album-info h3 { font-size: 16px; margin-bottom: 4px; }
.album-meta { font-size: 12.5px; color: var(--text-light); }
.album-desc { font-size: 13px; margin-top: 6px; }

.album-head { margin-bottom: 16px; }
.album-head h1 { font-size: 24px; }

.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 10px;
}
.photo-item { border-radius: 12px; overflow: hidden; background: #fff; border: 1px solid var(--border); }
.photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 1;
    display: block;
    transition: .2s;
}
.photo-item:hover img { transform: scale(1.03); }

/* ---------- 心情 ---------- */
.mood-timeline { display: flex; flex-direction: column; gap: 12px; }
.mood-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
    display: flex;
    gap: 14px;
    align-items: flex-start;
    position: relative;
}
.mood-emoji { font-size: 30px; line-height: 1.2; }
.mood-body { flex: 1; }
.mood-meta { display: flex; gap: 10px; font-size: 12.5px; color: var(--text-light); margin-bottom: 4px; }
.mood-note { font-size: 14px; }
.mood-author { font-weight: 600; }

/* ---------- 登录 ---------- */
.auth-wrap { display: flex; justify-content: center; padding: 30px 0; }
.auth-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px 30px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 8px 30px rgba(80,100,180,.1);
}
.auth-logo { font-size: 48px; text-align: center; }
.auth-card h1 { text-align: center; font-size: 22px; margin: 8px 0 4px; }
.auth-sub { text-align: center; color: var(--text-light); font-size: 13px; margin-bottom: 20px; }
.auth-form { display: flex; flex-direction: column; gap: 14px; }
.auth-hint { margin-top: 16px; text-align: center; font-size: 12.5px; color: var(--text-light); }
.auth-back { margin-top: 6px; text-align: center; font-size: 13px; }

/* ---------- 表单 ---------- */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-weight: 600; font-size: 13.5px; margin-bottom: 6px; }
.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="date"],
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    font-size: 14.5px;
    background: #fff;
    color: var(--text);
}
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    font-size: 14.5px;
    background: #fff;
    resize: vertical;
    line-height: 1.6;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(111, 143, 247, .15);
}
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    font-size: 14.5px;
    background: #fff;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-hint { font-size: 12.5px; color: var(--text-light); margin-top: 5px; }
.form-actions { display: flex; gap: 10px; margin-top: 8px; }

.switch-row { margin-top: 18px; padding: 16px; background: #f7f9ff; border-radius: 12px; border: 1px solid var(--border); }
.switch-label { display: flex; gap: 12px; align-items: flex-start; cursor: pointer; }
.switch-label input { margin-top: 5px; width: 18px; height: 18px; accent-color: var(--primary); }
.switch-text strong { display: block; font-size: 14.5px; }
.switch-text small { font-size: 12.5px; color: var(--text-light); }

/* ---------- 后台框架 ---------- */
.admin-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}
.admin-head h1 { font-size: 22px; }
.admin-head p { color: var(--text-light); font-size: 13.5px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 24px; }
.stat-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    text-align: center;
}
.stat-num { font-size: 28px; font-weight: 700; color: var(--primary-dark); }
.stat-label { font-size: 13px; color: var(--text-light); margin-top: 4px; }

.admin-grid-2 { display: grid; grid-template-columns: 2fr 1fr; gap: 18px; align-items: start; }

.panel {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    margin-bottom: 18px;
}
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.panel h2 { font-size: 16px; }

.quick-links { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.quick-link {
    background: #f3f5ff;
    border-radius: 10px;
    padding: 14px 10px;
    text-align: center;
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 13.5px;
}
.quick-link:hover { background: #e5ebff; }

/* 表格 */
.table-scroll { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.data-table th {
    text-align: left;
    padding: 10px 10px;
    border-bottom: 2px solid var(--border);
    color: var(--text-light);
    font-weight: 600;
    white-space: nowrap;
}
.data-table td {
    padding: 11px 10px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.data-table tr:hover td { background: #fafbff; }
.td-title a { font-weight: 600; color: var(--text); }
.td-sub { margin-top: 3px; }
.td-actions { white-space: nowrap; }
.td-actions .btn { margin-right: 4px; }
.td-ip { font-family: monospace; font-size: 12px; color: var(--text-light); }

.badge { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-green { background: #e5f8ef; color: #1f8a5f; }
.badge-gray { background: #eef0f5; color: #7a8093; }
.badge-red { background: #fdecef; color: var(--danger); }
.badge-blue { background: #e7efff; color: #3d66c9; }
.badge-purple { background: #f1edff; color: var(--purple); }

/* 空状态 */
.empty-box {
    background: #fff;
    border: 1.5px dashed var(--border);
    border-radius: var(--radius);
    padding: 40px 20px;
    text-align: center;
    color: var(--text-light);
    font-size: 14px;
}

/* ---------- 写作 ---------- */
.mood-emotion-picker { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.mood-option { cursor: pointer; }
.mood-option input { display: none; }
.mood-option .mood-emoji {
    display: inline-block;
    font-size: 26px;
    padding: 8px 12px;
    background: #f4f6ff;
    border-radius: 14px;
    border: 2px solid transparent;
    transition: .15s;
}
.mood-option input:checked + .mood-emoji {
    border-color: var(--primary);
    background: #eaf0ff;
    transform: scale(1.08);
}
.mood-panel h2 { margin-bottom: 14px; }

/* ---------- 错误页 ---------- */
.error-wrap { text-align: center; padding: 60px 20px; }
.error-code { font-size: 68px; font-weight: 800; color: var(--primary); }
.error-wrap h1 { font-size: 24px; margin: 10px 0; }
.error-wrap p { color: var(--text-light); margin-bottom: 8px; }

/* ============ 响应式（手机/平板） ============ */
@media (max-width: 880px) {
    .layout-grid { grid-template-columns: 1fr; }
    .admin-grid-2 { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    body { font-size: 14.5px; }
    .container { padding: 0 12px; }

    .nav-toggle { display: block; }
    .site-nav {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        padding: 10px 0 14px;
        gap: 4px;
    }
    .site-nav.open { display: flex; }
    .site-nav > a { padding: 10px 12px; font-size: 15px; }
    .site-nav .btn { margin-top: 4px; }

    .hero { padding: 24px 16px; }
    .hero h1 { font-size: 22px; }

    .post-detail { padding: 18px 16px; }
    .detail-title { font-size: 21px; }

    .photo-grid { grid-template-columns: repeat(3, 1fr); gap: 6px; }
    .album-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .album-cover { height: 140px; }

    .auth-card { padding: 24px 18px; }

    .admin-head { display: block; }
    .admin-head .btn { margin-top: 10px; }

    .stat-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .stat-card { padding: 12px 6px; }
    .stat-num { font-size: 22px; }

    .data-table { font-size: 12.5px; }
    .data-table td, .data-table th { padding: 8px 6px; }

    .post-nav { flex-direction: column; }
}