/* Stockfish Blog — fire-earth theme
   deep brick red -> terracotta accents, warm off-white paper, dark warm text */

:root {
  --bg: #faf5ee;
  --surface: #fffdf8;
  --text: #3b2d25;
  --muted: #8a7263;
  --brick: #9e3b2c;
  --terra: #c96f4a;
  --accent: #a83e2a;
  --border: #e7d7c6;
  --soft: #f6ead9;
  --code-bg: #37261d;
  --code-text: #f4e8da;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  font-size: 17px;
  line-height: 1.75;
}

.wrap { max-width: 780px; margin: 0 auto; padding: 0 20px; }

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

/* ---------- header ---------- */
.site-header {
  background: linear-gradient(120deg, #8e3524 0%, var(--brick) 45%, var(--terra) 100%);
  color: #fdf3e7;
  padding: 18px 0 12px;
  margin-bottom: 34px;
}
.header-in {
  display: flex; align-items: baseline; justify-content: space-between;
  flex-wrap: wrap; gap: 8px 16px;
}
.brand {
  color: #fff8ef; font-size: 26px; font-weight: 700; letter-spacing: .5px;
  font-family: Georgia, "Songti SC", "STSong", "SimSun", serif;
}
.brand:hover { text-decoration: none; opacity: .92; }
.main-nav a { color: #fbe9d7; margin-left: 18px; font-size: 15px; }
.cat-nav {
  margin-top: 10px; padding-top: 10px;
  border-top: 1px solid rgba(255, 240, 220, .35);
  display: flex; flex-wrap: wrap; gap: 6px 18px;
}
.cat-nav a { color: #fbe9d7; font-size: 14px; }

/* ---------- home ---------- */
.hero { margin: 6px 0 30px; }
.hero h1 {
  margin: 0 0 8px; font-size: 34px; line-height: 1.25;
  font-family: Georgia, "Songti SC", "STSong", "SimSun", serif;
  color: var(--brick);
}
.hero-sub { margin: 0; color: var(--muted); font-size: 16px; max-width: 40em; }

.page-title {
  font-size: 26px; color: var(--brick); margin: 0 0 22px;
  font-family: Georgia, "Songti SC", "STSong", "SimSun", serif;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--terra);
  border-radius: 8px;
  padding: 18px 22px 14px;
  margin-bottom: 18px;
}
.card-meta { margin: 0 0 4px; color: var(--muted); font-size: 14px; }
.card-title { margin: 0 0 6px; font-size: 21px; line-height: 1.45; }
.card-title a { color: var(--text); }
.card-title a:hover { color: var(--brick); text-decoration: none; }
.card-excerpt { margin: 0; color: #5d4a3e; font-size: 15.5px; }
.empty { color: var(--muted); }

/* ---------- post ---------- */
.post h1 {
  font-size: 29px; line-height: 1.4; margin: 0 0 8px;
  font-family: Georgia, "Songti SC", "STSong", "SimSun", serif;
}
.post-meta { color: var(--muted); font-size: 14.5px; margin: 0 0 26px; }
.post-body h2 {
  font-size: 23px; line-height: 1.45; margin: 38px 0 12px; color: var(--brick);
  padding-bottom: 6px; border-bottom: 2px solid var(--soft);
}
.post-body h3 { font-size: 19.5px; margin: 30px 0 10px; color: #7c3a26; }
.post-body p { margin: 0 0 16px; }
.post-body ul, .post-body ol { margin: 0 0 16px; padding-left: 1.5em; }
.post-body li { margin-bottom: 6px; }
.post-body strong { color: #33241b; }

.post-body blockquote {
  margin: 0 0 18px; padding: 12px 18px;
  background: var(--soft); border-left: 4px solid var(--terra);
  border-radius: 0 8px 8px 0; color: #5d4636;
}
.post-body blockquote p { margin: 0 0 8px; }
.post-body blockquote p:last-child { margin-bottom: 0; }

.post-body code {
  font-family: "SF Mono", ui-monospace, Menlo, Consolas, "Courier New", monospace;
  font-size: .86em; background: #f3e4d3; color: #8a3524;
  padding: 1px 5px; border-radius: 4px; word-break: break-all;
}
.post-body pre {
  background: var(--code-bg); color: var(--code-text);
  padding: 14px 16px; border-radius: 8px; overflow-x: auto;
  margin: 0 0 18px; line-height: 1.55;
}
.post-body pre code {
  background: none; color: inherit; padding: 0; font-size: 13.5px;
  word-break: normal; white-space: pre;
}

.post-body table {
  display: block; overflow-x: auto; -webkit-overflow-scrolling: touch;
  border-collapse: collapse; margin: 0 0 20px; font-size: 15px;
}
.post-body th, .post-body td {
  border: 1px solid var(--border); padding: 8px 12px; text-align: left;
  vertical-align: top;
}
.post-body th { background: #f3e2cf; color: #6d3220; white-space: nowrap; }
.post-body td { background: var(--surface); }

.post-body hr { border: none; border-top: 1px solid var(--border); margin: 30px 0; }
.post-body a { word-break: break-all; }

.back-home { margin: 36px 0 6px; font-size: 15px; }

/* ---------- footer ---------- */
.site-footer {
  margin-top: 56px; padding: 22px 0 30px;
  border-top: 1px solid var(--border);
  color: var(--muted); font-size: 14px; text-align: center;
}
.site-footer p { margin: 2px 0; }
.foot-sub { font-size: 13px; }

/* ---------- small screens ---------- */
@media (max-width: 600px) {
  body { font-size: 16px; }
  .brand { font-size: 22px; }
  .hero h1 { font-size: 28px; }
  .post h1 { font-size: 24px; }
  .card { padding: 14px 16px 10px; }
  .card-title { font-size: 19px; }
}