:root {
  --bg: #06070b;
  --card: rgba(255,255,255,.04);
  --card-border: rgba(255,255,255,.08);
  --text: #eef1f7;
  --text-dim: #9aa3b5;
  --accent: #4f7cff;
  --accent-3: #7da3ff;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: var(--bg); color: var(--text);
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Tahoma, sans-serif;
  line-height: 1.75; -webkit-font-smoothing: antialiased;
}
::selection { background: rgba(79,124,255,.35); }
a { color: var(--accent-3); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
nav.top {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  background: rgba(6,7,11,.75); border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav-inner { max-width: 1080px; margin: 0 auto; padding: 0 24px; height: 62px; display: flex; align-items: center; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); font-size: .98rem; }
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav-links { margin-left: auto; display: flex; gap: 18px; align-items: center; }
[dir="rtl"] .nav-links { margin-left: 0; margin-right: auto; }
.nav-links a { color: var(--text-dim); font-size: .88rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links a.dl { color: #fff; background: var(--accent); padding: 7px 16px; border-radius: 10px; font-weight: 600; }
.nav-links a.dl:hover { background: #6089ff; }
.lang-select {
  background: rgba(255,255,255,.06); color: var(--text);
  border: 1px solid rgba(255,255,255,.14); border-radius: 10px;
  padding: 6px 8px; font-size: .82rem; font-family: inherit; cursor: pointer; outline: none;
}
.lang-select option { background: #0b0d14; color: var(--text); }
.docs-head { padding: 60px 0 8px; }
.docs-head h1 { font-size: 2rem; font-weight: 800; margin-bottom: 10px; }
.docs-head p { color: var(--text-dim); }
.toolbar { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin: 26px 0 6px; }
#search {
  flex: 1; min-width: 240px; max-width: 380px;
  padding: 10px 16px; border-radius: 11px;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12);
  color: var(--text); font-size: .9rem; font-family: inherit; outline: none;
}
#search:focus { border-color: rgba(79,124,255,.5); }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  padding: 7px 16px; border-radius: 999px; font-size: .82rem; cursor: pointer;
  color: var(--text-dim); background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1); user-select: none;
}
.chip:hover { color: var(--text); }
.chip.on { background: rgba(79,124,255,.18); color: #cdd9ff; border-color: rgba(79,124,255,.5); }
.count-line { color: var(--text-dim); font-size: .82rem; margin: 14px 0 18px; }
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; padding-bottom: 70px; }
.card {
  display: block; background: var(--card); border: 1px solid var(--card-border);
  border-radius: 14px; padding: 22px 24px; color: var(--text);
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: rgba(79,124,255,.45); transform: translateY(-2px); text-decoration: none; }
.card .cat-tag {
  display: inline-block; font-size: .7rem; padding: 2px 10px; border-radius: 999px;
  background: rgba(79,124,255,.14); color: #b9caff; margin-bottom: 10px;
}
.card h3 { font-size: 1.02rem; margin-bottom: 8px; font-weight: 650; }
.card p { color: var(--text-dim); font-size: .85rem; margin-bottom: 12px; }
.card .meta { color: var(--text-dim); font-size: .75rem; }
.empty { color: var(--text-dim); padding: 40px 0 80px; display: none; }
.crumbs { color: var(--text-dim); font-size: .82rem; padding: 34px 0 0; }
article.doc { max-width: 760px; margin: 0 auto; padding: 18px 24px 60px; }
article.doc h1 { font-size: 1.75rem; font-weight: 800; line-height: 1.35; margin: 10px 0 12px; }
.doc-meta { color: var(--text-dim); font-size: .82rem; margin-bottom: 34px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,.08); }
.doc-body p { margin: 0 0 16px; color: #d6dbe6; }
.doc-body h2 { font-size: 1.18rem; margin: 30px 0 12px; font-weight: 700; }
.doc-body ul, .doc-body ol { margin: 0 0 16px; padding-left: 22px; color: #d6dbe6; }
[dir="rtl"] .doc-body ul, [dir="rtl"] .doc-body ol { padding-left: 0; padding-right: 22px; }
.doc-body li { margin-bottom: 8px; }
.doc-body code {
  background: rgba(255,255,255,.08); padding: 1px 7px; border-radius: 6px;
  font-size: .84em; font-family: Consolas, "Cascadia Mono", monospace; color: #cdd9ff;
}
.doc-body pre {
  background: #0d1017; border: 1px solid rgba(255,255,255,.09); border-radius: 12px;
  padding: 16px 18px; margin: 0 0 18px; overflow-x: auto; direction: ltr; text-align: left;
}
.doc-body pre code { background: none; padding: 0; color: #c9d4ea; font-size: .82rem; line-height: 1.7; }
.doc-body strong { color: var(--text); }
.pager { max-width: 760px; margin: 0 auto; padding: 0 24px 30px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.pager a {
  display: block; background: var(--card); border: 1px solid var(--card-border);
  border-radius: 12px; padding: 14px 18px; color: var(--text);
}
.pager a:hover { border-color: rgba(79,124,255,.45); text-decoration: none; }
.pager .dir { color: var(--text-dim); font-size: .75rem; margin-bottom: 4px; }
.pager .t { font-size: .88rem; font-weight: 600; }
.pager a.next { text-align: right; }
[dir="rtl"] .pager a.next { text-align: left; }
.related { max-width: 760px; margin: 0 auto; padding: 0 24px 70px; }
.related h4 { color: var(--text-dim); font-size: .82rem; font-weight: 600; letter-spacing: 1px; margin-bottom: 12px; }
.related a { display: block; padding: 8px 0; font-size: .9rem; border-bottom: 1px solid rgba(255,255,255,.05); }
footer.doc-foot { border-top: 1px solid rgba(255,255,255,.07); padding: 28px 0 36px; color: var(--text-dim); font-size: .82rem; }
footer.doc-foot .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
@media (max-width: 720px) {
  .cards { grid-template-columns: 1fr; }
  .pager { grid-template-columns: 1fr; }
  .nav-links a:not(.dl) { display: none; }
}