/* ============================================================
   Parchment — 米格色主题（配色取自 pi.dev 浅色模式）
   parchment #dacbc2 / moonstone #ebe7e4 / warm-white #f4f2f0
   evening-blue #252f3d / driftwood #5c5752 / tidal-blue #4b607c
   terracotta #b86b52 / sunkissed #e1b06e / sage #a3a473
   ============================================================ */

:root {
  --parchment: #dacbc2;
  --moonstone: #ebe7e4;
  --panel: #f4f2f0;
  --panel-soft: #eef1f3;
  --line: #5c575233;
  --line-strong: #5c575259;
  --text: #252f3d;
  --copy: #384251;
  --muted: #5c5752;
  --faint: #8b847d;
  --accent: #4b607c;
  --accent-soft: #4b607c14;
  --accent-border: #4b607c38;
  --rust: #b86b52;
  --sunkissed: #e1b06e;
  --sage: #a3a473;
  --code-bg: #252f3d;
  --code-line: #49505966;
  --code-text: #ebe7e4;
  --code-muted: #9fa4ab;
  --grid-gap: 24px;
  --grid-minor: #252f3d08;
  --grid-major: #252f3d10;
  --serif: "Plantin MT Pro", "Noto Serif SC", "Source Han Serif SC",
    "Songti SC", Georgia, "Times New Roman", serif;
  --mono: "Commit Mono", "JetBrains Mono", "SF Mono", Consolas,
    "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html { font-size: 18px; }

body {
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  color: var(--copy);
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background-color: var(--moonstone);
  background-image:
    linear-gradient(var(--grid-minor) 0 1px, transparent 1px var(--grid-gap)),
    linear-gradient(to right, var(--grid-minor) 0 1px, transparent 1px var(--grid-gap)),
    linear-gradient(var(--grid-major) 0 1px, transparent 1px calc(var(--grid-gap) * 5)),
    linear-gradient(to right, var(--grid-major) 0 1px, transparent 1px calc(var(--grid-gap) * 5));
  background-size:
    var(--grid-gap) var(--grid-gap),
    var(--grid-gap) var(--grid-gap),
    calc(var(--grid-gap) * 5) calc(var(--grid-gap) * 5),
    calc(var(--grid-gap) * 5) calc(var(--grid-gap) * 5);
}

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 20px;
}

main.container {
  flex: 1 0 auto;
  width: 100%;
  padding-top: 32px;
  padding-bottom: 64px;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text);
  font-family: var(--serif);
  line-height: 1.4;
}

a {
  color: var(--accent);
  text-decoration: none;
  text-underline-offset: 3px;
}
a:hover { text-decoration: underline; }

::selection { background: #4b607c24; }

/* ---------------- 顶部导航 ---------------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, #f3f2f0f4, #ebe7e4ee),
    linear-gradient(90deg, #eacd7c20, #4b607c12);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 58px;
  flex-wrap: wrap;
  padding-top: 8px;
  padding-bottom: 8px;
}

.brand {
  color: var(--text);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.brand:hover { text-decoration: none; color: var(--accent); }

.menu {
  display: flex;
  gap: 4px;
  flex: 1;
  flex-wrap: wrap;
}

.menu-link {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  padding: 4px 10px;
  border-radius: 8px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.menu-link:hover {
  color: var(--text);
  background: var(--accent-soft);
  text-decoration: none;
}
.menu-link.active {
  color: var(--accent);
  border-color: var(--accent-border);
  background: var(--accent-soft);
}

.nav-search input {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text);
  background: #252f3d08;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 5px 12px;
  width: 150px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, width 0.2s;
}
.nav-search input:focus {
  border-color: var(--accent-border);
  box-shadow: 0 0 0 3px #4b607c1f;
  width: 190px;
}

/* ---------------- 通用面板与元素 ---------------- */

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 1px 2px #252f3d0a;
}

.section-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 28px 4px 14px;
}

.chip {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 12px;
  background: transparent;
  transition: all 0.2s;
}
.chip:hover {
  color: var(--accent);
  border-color: var(--accent-border);
  background: var(--accent-soft);
  text-decoration: none;
}

.meta {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--faint);
}
.meta-sep { margin: 0 6px; color: var(--line-strong); }
.meta-link { color: var(--muted); margin-right: 4px; }
.meta-link:hover { color: var(--accent); }
.meta-link.tag { color: var(--faint); }

/* ---------------- 个人资料卡 ---------------- */

.profile {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 26px 30px;
}

.profile-avatar {
  width: 88px;
  height: 88px;
  border-radius: 18px;
  border: 1px solid var(--line-strong);
  object-fit: cover;
  flex-shrink: 0;
}

.profile-name {
  color: var(--text);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
}

.profile-motto {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 4px;
}
.profile-motto::before { content: "· "; color: var(--sunkissed); }
.profile-motto::after { content: " ·"; color: var(--sunkissed); }

.profile-links { margin-top: 12px; display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------------- 文章列表 ---------------- */

.post-item { padding: 24px 30px 20px; margin-bottom: 18px; }

.post-item-title {
  margin: 0 0 6px;
  font-size: 1.3rem;
  font-weight: 700;
}
.post-item-title a { color: var(--text); }
.post-item-title a:hover { color: var(--accent); text-decoration: none; }

.excerpt { margin: 10px 0 12px; }

.read-more {
  font-family: var(--mono);
  font-size: 0.75rem;
}
.read-more:hover { text-decoration: none; border-bottom: 1px solid var(--accent-border); }

/* ---------------- 文章页 ---------------- */

.article { padding: 34px 38px 30px; }

.article-header {
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
  margin-bottom: 22px;
}

.article-title {
  margin: 0 0 8px;
  font-size: 1.65rem;
  font-weight: 700;
}

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
  margin: 1.6em 0 0.6em;
  font-weight: 700;
}
.article-content h1 { font-size: 1.4rem; }
.article-content h2 {
  font-size: 1.25rem;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
}
.article-content h3 { font-size: 1.1rem; }
.article-content p { margin: 0.9em 0; }
.article-content ul, .article-content ol { padding-left: 1.6em; }
.article-content li { margin: 0.3em 0; }
.article-content hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 2em 0;
}
.article-content img {
  max-width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line);
}

.article-content blockquote {
  margin: 1.2em 0;
  padding: 10px 18px;
  border-left: 3px solid var(--sunkissed);
  background: #e1b06e14;
  border-radius: 0 10px 10px 0;
  color: var(--muted);
}
.article-content blockquote p { margin: 0.4em 0; }

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.2em 0;
  font-size: 0.9rem;
}
.article-content th, .article-content td {
  border: 1px solid var(--line);
  padding: 8px 12px;
  text-align: left;
}
.article-content th {
  background: #252f3d0f;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.78rem;
}

/* 行内代码 */
code {
  font-family: var(--mono);
  font-size: 0.84em;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 0.12em 0.42em;
  border-radius: 6px;
  border: 1px solid #4b607c1f;
}

/* 代码块（hexo highlight.js 输出 <figure class="highlight">） */
figure.highlight,
.article-content pre {
  background: var(--code-bg);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  box-shadow: 0 6px 18px #252f3d2e, 0 1px 3px #252f3d1f;
  overflow-x: auto;
  margin: 1.4em 0;
  font-size: 0.8rem;
  line-height: 1.7;
}

.highlight { padding: 4px 0; }
.highlight table { border-collapse: collapse; width: 100%; }
.highlight td { border: none; padding: 0; }
.highlight .gutter {
  color: var(--code-muted);
  opacity: 0.55;
  text-align: right;
  padding: 12px 12px 12px 16px;
  border-right: 1px solid var(--code-line);
  user-select: none;
  white-space: pre;
  font-family: var(--mono);
  vertical-align: top;
}
.highlight .code {
  padding: 12px 16px 12px 14px;
  width: 100%;
  font-family: var(--mono);
}
.highlight pre {
  margin: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
  font-size: inherit;
}
.highlight .line { color: var(--code-text); white-space: pre; }
.highlight .line.marked { background: #ffffff0d; }

.highlight code {
  background: transparent;
  border: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

/* highlight.js token 配色（暖色系） */
.highlight .keyword,
.highlight .tag,
.highlight .meta { color: var(--sunkissed); }
.highlight .string,
.highlight .regexp,
.highlight .addition { color: var(--sage); }
.highlight .comment,
.highlight .quote,
.highlight .deletion { color: var(--code-muted); font-style: italic; }
.highlight .number,
.highlight .literal { color: #6a9fcc; }
.highlight .title,
.highlight .name,
.highlight .section { color: #6a9fcc; }
.highlight .built_in,
.highlight .attr,
.highlight .attribute,
.highlight .variable { color: #b86b52; }
.highlight .params,
.highlight .bullet { color: var(--code-text); }
.highlight .emphasis { font-style: italic; }
.highlight .strong { font-weight: 700; }

/* 文章上下篇导航 */
.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
}
.post-nav .chip { max-width: 46%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------------- 页面卡片（分类 / 归档 / 搜索 / 关于） ---------------- */

.page-card { padding: 30px 34px; }

.page-title {
  margin: 0 0 18px;
  font-size: 1.45rem;
  font-weight: 700;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

/* 分类索引 */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}
.cat-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-soft);
  transition: all 0.2s;
}
.cat-card:hover {
  border-color: var(--accent-border);
  background: var(--accent-soft);
  text-decoration: none;
  transform: translateY(-1px);
}
.cat-name { color: var(--text); font-weight: 600; }
.cat-count {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--faint);
}

/* 归档 */
.archive-year {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--rust);
  letter-spacing: 0.1em;
  margin: 20px 0 8px;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 4px;
}
.archive-year:first-of-type { margin-top: 8px; }
.archive-list { list-style: none; margin: 0; padding: 0; }
.archive-list li {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 5px 0;
}
.archive-list time {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--faint);
  flex-shrink: 0;
}
.archive-list a { color: var(--copy); }
.archive-list a:hover { color: var(--accent); }

/* ---------------- 搜索页 ---------------- */

.search-box {
  width: 100%;
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--text);
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 16px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.search-box:focus {
  border-color: var(--accent-border);
  box-shadow: 0 0 0 3px #4b607c1f;
}

.search-meta { margin: 12px 2px 0; min-height: 1.2em; }

.search-result {
  padding: 16px 4px;
  border-bottom: 1px dashed var(--line);
}
.search-result:last-child { border-bottom: none; }
.search-result-title { font-size: 1.05rem; font-weight: 700; }
.search-result-title a { color: var(--text); }
.search-result-title a:hover { color: var(--accent); text-decoration: none; }
.search-result-snippet {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 6px 0 0;
}
.search-result mark {
  background: #e1b06e55;
  color: var(--text);
  border-radius: 3px;
  padding: 0 2px;
}

/* ---------------- 分页 ---------------- */

.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 22px;
}
.page-num {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--faint);
}

/* ---------------- 页脚 ---------------- */

.site-footer {
  flex-shrink: 0;
  border-top: 1px solid var(--line);
  margin-top: 40px;
  background: linear-gradient(180deg, transparent, #dacbc240);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 22px;
  padding-bottom: 22px;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--faint);
}

/* ---------------- 响应式 ---------------- */

@media (max-width: 640px) {
  html { font-size: 16px; }
  .article { padding: 24px 22px; }
  .page-card { padding: 22px 20px; }
  .post-item { padding: 20px 20px 16px; }
  .profile { flex-direction: column; text-align: center; padding: 22px; }
  .profile-links { justify-content: center; }
  .nav-inner { gap: 10px; }
  .nav-search { order: 3; width: 100%; }
  .nav-search input { width: 100%; }
}