:root {
  --bg: #fafafa;
  --fg: #1a1a1a;
  --muted: #6b6b6b;
  --card: #ffffff;
  --border: #e6e6e6;
  --accent: #2f6f4f;
  --link: #1a5fb4;
  --shadow: 0 1px 3px rgba(0,0,0,.06);
}
[data-theme="dark"] {
  --bg: #16181d;
  --fg: #e6e6e6;
  --muted: #9aa0a6;
  --card: #1f232b;
  --border: #2c313a;
  --accent: #5ec98c;
  --link: #6ea8fe;
  --shadow: 0 1px 3px rgba(0,0,0,.4);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
  font-size: 16px;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

header.site {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; border-bottom: 1px solid var(--border);
  background: var(--card); position: sticky; top: 0; z-index: 10;
}
header.site .brand a { font-weight: 700; font-size: 18px; color: var(--fg); }
header.site .tools { display: flex; gap: 10px; align-items: center; }
#search {
  border: 1px solid var(--border); background: var(--bg); color: var(--fg);
  border-radius: 8px; padding: 7px 11px; font-size: 14px; width: 220px;
}
#theme {
  border: 1px solid var(--border); background: var(--card); color: var(--fg);
  border-radius: 8px; padding: 6px 10px; cursor: pointer; font-size: 15px;
}

nav.tags-cloud {
  display: flex; flex-wrap: wrap; gap: 8px; padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}
nav.tags-cloud a {
  font-size: 13px; padding: 3px 10px; border: 1px solid var(--border);
  border-radius: 999px; color: var(--muted);
}
nav.tags-cloud a:hover { color: var(--accent); border-color: var(--accent); }

main { max-width: 820px; margin: 0 auto; padding: 24px 20px 60px; }
.intro { color: var(--muted); margin-bottom: 24px; }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px 18px; margin-bottom: 14px; box-shadow: var(--shadow);
  display: flex; justify-content: space-between; align-items: flex-start; gap: 12px;
}
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card h3 a { color: var(--fg); }
.card .meta { color: var(--muted); font-size: 13px; }
.card .tags { margin-top: 8px; display: flex; flex-wrap: wrap; gap: 6px; }
.card .tags span { font-size: 12px; color: var(--muted); }
.lock { font-size: 18px; }

/* ===== 文章页（参考「拾贝」阅读笔记风格：窄栏、留白、分隔线、引用块、表格） ===== */
article.prose {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 34px 38px; box-shadow: var(--shadow);
  max-width: 780px; margin: 0 auto;
}
article.prose h1 { font-size: 27px; line-height: 1.3; margin: 0 0 16px; }
article.prose h2 {
  font-size: 20px; margin: 42px 0 14px; padding-top: 22px;
  border-top: 1px solid var(--border);
}
article.prose h3 { font-size: 17px; margin: 26px 0 10px; color: var(--fg); }
article.prose p { margin: 13px 0; }
article.prose strong { color: var(--accent); font-weight: 700; }
article.prose em { color: var(--muted); font-style: normal; }
article.prose ul, article.prose ol { padding-left: 1.5em; margin: 13px 0; }
article.prose li { margin: 7px 0; }
article.prose blockquote {
  margin: 18px 0; padding: 12px 18px;
  border-left: 4px solid var(--accent);
  background: rgba(47,111,79,.07);
  border-radius: 0 8px 8px 0; color: var(--fg);
}
[data-theme="dark"] article.prose blockquote { background: rgba(94,201,140,.10); }
article.prose blockquote p { margin: 6px 0; }
article.prose table {
  border-collapse: collapse; width: 100%; margin: 18px 0; font-size: 15px;
}
article.prose th, article.prose td {
  border: 1px solid var(--border); padding: 9px 12px;
  text-align: left; vertical-align: top;
}
article.prose th { background: var(--bg); font-weight: 600; }
article.prose tr:nth-child(even) td { background: var(--bg); }
article.prose code {
  background: var(--bg); padding: 2px 6px; border-radius: 5px; font-size: .88em;
}
article.prose pre {
  background: #1e1e1e; color: #e6e6e6; border: 1px solid var(--border);
  border-radius: 8px; padding: 14px; overflow: auto;
}
article.prose pre code { background: none; padding: 0; color: inherit; }
article.prose img { max-width: 100%; border-radius: 8px; }
article.prose hr { border: none; border-top: 1px solid var(--border); margin: 28px 0; }

.doc-meta {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  color: var(--muted); font-size: 14px; margin-bottom: 6px;
}
.doc-meta .tag {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 999px; padding: 2px 11px; color: var(--muted);
}

.tagchips { margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tagchips a { font-size: 13px; padding: 3px 10px; border: 1px solid var(--border);
  border-radius: 999px; color: var(--muted); }

.pager { display: flex; gap: 8px; justify-content: center; margin-top: 26px; }
.pager button { border: 1px solid var(--border); background: var(--card); color: var(--fg);
  border-radius: 8px; padding: 6px 12px; cursor: pointer; }
.pager button[disabled] { opacity: .4; cursor: default; }

#results { margin-top: 18px; }

footer { text-align: center; color: var(--muted); font-size: 13px; padding: 30px 20px 50px; }

body.lockpage { display: flex; min-height: 100vh; align-items: center; justify-content: center; }
.lockcard { background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 32px 34px; max-width: 360px; text-align: center; box-shadow: var(--shadow); }
.lockcard input[type=password] { width: 100%; padding: 10px 12px; margin: 14px 0;
  border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--fg); }
.lockcard button { width: 100%; padding: 10px; border: none; border-radius: 8px;
  background: var(--accent); color: #fff; font-size: 15px; cursor: pointer; }
.lockcard .hint { color: var(--muted); font-size: 12px; margin-top: 12px; }