/* =====================================================================
   style.css — پوستهٔ مستندات (RTL، فونت فارسی، سبک تمیز)
   ===================================================================== */
:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1a1f29;
  --muted: #6b7280;
  --border: #e5e7eb;
  --primary: #0f62fe;
  --primary-soft: #e8f0ff;
  --code-bg: #0d1421;
  --code-text: #e6edf3;
  --req: #b42318;
  --opt: #667085;
  --success: #067647;
  --sidebar-w: 270px;
  --header-h: 64px;
  --radius: 10px;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Code", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Vazirmatn", "IRANSans", "Segoe UI", Tahoma, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.9;
  font-size: 15.5px;
}

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

code, .code { font-family: var(--mono); direction: ltr; unicode-bidi: embed; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); font-weight: 400; font-size: .92em; }

/* ---------- هدر ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
}
.site-header .container {
  display: flex; align-items: center; gap: 28px; width: 100%;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo { font-size: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-text strong { font-size: 16px; }
.brand-text small { color: var(--muted); font-size: 12px; }
.top-nav { display: flex; gap: 18px; margin-inline-start: auto; }
.top-nav a { color: var(--text); font-weight: 500; padding: 6px 2px; border-bottom: 2px solid transparent; }
.top-nav a.active { color: var(--primary); border-bottom-color: var(--primary); }
#version-badge {
  background: var(--primary-soft); color: var(--primary);
  padding: 4px 12px; border-radius: 999px; font-size: 13px; font-weight: 600;
}

/* ---------- چیدمان صفحه ---------- */
.page-body {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  align-items: start;
}

.sidebar {
  position: sticky; top: var(--header-h);
  height: calc(100vh - var(--header-h));
  overflow-y: auto;
  background: var(--surface);
  border-inline-end: 1px solid var(--border);
  padding: 18px 10px;
}
.side-heading {
  font-size: 12px; text-transform: uppercase; letter-spacing: .04em;
  color: var(--muted); padding: 6px 14px; font-weight: 700;
}
.side-nav { list-style: none; margin: 0; padding: 0; }
.side-nav li.sep { margin-top: 18px; border-top: 1px solid var(--border); padding-top: 8px; }
.side-nav li.sep > span { display: block; padding: 0 14px; font-size: 12px; color: var(--muted); font-weight: 700; }
.side-nav li.cat > span { display: block; padding: 8px 14px 2px; font-size: 12px; color: var(--primary); font-weight: 700; }
.side-nav a {
  display: block; padding: 7px 14px; border-radius: 7px;
  color: var(--text); font-size: 14px;
}
.side-nav a:hover { background: var(--bg); text-decoration: none; }
.side-nav a.active { background: var(--primary-soft); color: var(--primary); font-weight: 600; }

.content { padding: 36px 48px 80px; max-width: 980px; }
.content h1 { font-size: 30px; margin: 0 0 8px; }
.content h2 { font-size: 22px; margin: 40px 0 12px; padding-top: 12px; border-top: 1px solid var(--border); }
.content h2:first-of-type { border-top: none; }
.content h3 { font-size: 17px; margin: 26px 0 8px; }
.lead { font-size: 17px; color: #374151; }
.breadcrumb { color: var(--muted); font-size: 13px; margin-bottom: 10px; }

/* ---------- کارت‌ها ---------- */
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin: 22px 0; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.card-title { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; font-weight: 700; margin-bottom: 6px; }
.card-body { font-size: 16px; font-weight: 600; word-break: break-word; }
.card-body small { display: block; font-weight: 400; color: var(--muted); font-size: 13px; }
.card-body.code { font-family: var(--mono); font-size: 13px; font-weight: 500; direction: ltr; }

.method-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; margin: 18px 0; }
.method-card {
  display: block; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; color: var(--text);
  transition: box-shadow .15s, transform .15s, border-color .15s;
}
.method-card:hover { text-decoration: none; border-color: var(--primary); box-shadow: 0 6px 20px rgba(15,98,254,.08); transform: translateY(-2px); }
.mc-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.mc-name { font-family: var(--mono); font-size: 15px; font-weight: 700; color: var(--primary); direction: ltr; }
.mc-cat { font-size: 11px; background: var(--bg); border: 1px solid var(--border); border-radius: 999px; padding: 2px 9px; color: var(--muted); }
.mc-title { font-weight: 600; margin-bottom: 6px; }
.mc-sum { color: var(--muted); font-size: 14px; line-height: 1.7; }

/* ---------- جدول پارامترها ---------- */
.param-table { width: 100%; border-collapse: collapse; margin: 14px 0 8px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; font-size: 14px; }
.param-table caption { text-align: start; padding: 10px 4px; font-weight: 600; }
.param-table th, .param-table td { padding: 9px 14px; text-align: start; border-bottom: 1px solid var(--border); }
.param-table thead th { background: #f3f4f6; font-size: 12.5px; color: #374151; }
.param-table tbody tr:last-child td { border-bottom: none; }
.param-table code.type { background: #f0f4ff; color: #3538cd; padding: 1px 6px; border-radius: 5px; font-size: 12.5px; }
.param-table .sample { color: var(--muted); }
.req { color: var(--req); font-size: 12px; font-weight: 600; }
.opt { color: var(--opt); font-size: 12px; }

/* ---------- درخت پارامترها ---------- */
.param-tree { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 20px; margin: 14px 0; }
.param { padding: 4px 0; }
.param.pname, .pname { font-family: var(--mono); font-weight: 700; direction: ltr; unicode-bidi: embed; }
.param .type { color: #3538cd; font-family: var(--mono); font-size: 13px; background: #f0f4ff; padding: 1px 6px; border-radius: 5px; }
.param.sub { margin-inline-start: 22px; border-inline-start: 2px solid var(--border); padding-inline-start: 12px; }
.pdesc { color: var(--muted); }
.param .sample, code.sample { color: var(--muted); }

/* ---------- بلوک کد ---------- */
.code-block {
  background: var(--code-bg); color: var(--code-text);
  border-radius: var(--radius); padding: 18px 20px; overflow-x: auto;
  font-family: var(--mono); font-size: 13px; line-height: 1.7;
  direction: ltr; unicode-bidi: embed; white-space: pre; text-align: left;
}
.code-actions { display: flex; gap: 8px; margin: 12px 0 -6px; }
.mini-btn {
  background: var(--surface); border: 1px solid var(--border); border-radius: 7px;
  padding: 4px 12px; font-size: 13px; cursor: pointer; color: var(--text); font-family: inherit;
}
.mini-btn:hover { border-color: var(--primary); color: var(--primary); }

.btn {
  display: inline-block; background: var(--primary); color: #fff; font-weight: 600;
  padding: 10px 18px; border-radius: 8px; border: none; cursor: pointer; font-family: inherit; font-size: 14px; margin-top: 8px;
}
.btn:hover { text-decoration: none; opacity: .92; }

/* ---------- مراحل ---------- */
.steps { padding-inline-start: 0; list-style: none; counter-reset: step; }
.steps li { position: relative; padding-inline-start: 40px; margin-bottom: 12px; counter-increment: step; }
.steps li::before {
  content: counter(step); position: absolute; inset-inline-start: 0; top: 2px;
  width: 26px; height: 26px; border-radius: 50%; background: var(--primary-soft);
  color: var(--primary); font-weight: 700; display: grid; place-items: center; font-size: 13px;
}

/* ---------- تستر ---------- */
.tester { display: flex; gap: 14px; align-items: flex-end; margin: 16px 0; flex-wrap: wrap; }
.tester label { font-size: 13px; color: var(--muted); }
.tester input, .tester select {
  font-family: var(--mono); padding: 8px 10px; border: 1px solid var(--border);
  border-radius: 7px; font-size: 14px; margin-top: 4px; width: 220px; direction: ltr; unicode-bidi: embed; background: var(--surface); color: var(--text);
}
.tester .grow { flex: 1; min-width: 140px; }

/* ---------- کدهای خطا ---------- */
.ecode { font-family: var(--mono); font-weight: 700; direction: ltr; }
.err-success { background: #ecfdf3; }
.err-error td:first-child { color: var(--req); }
.notice { background: #fff4e5; border: 1px solid #f5c98a; border-radius: 8px; padding: 14px 18px; }

/* ---------- نکته (TIP) ---------- */
.field-note {
  margin-top: 6px; padding: 6px 10px;
  background: #fffbea; border-inline-start: 3px solid #f5b620;
  border-radius: 4px; font-size: 13px; color: #7c5800;
  line-height: 1.7;
}
.tip-callout {
  margin: 12px 0 20px; padding: 14px 18px;
  background: #eff6ff; border-inline-start: 4px solid var(--primary);
  border-radius: 8px; line-height: 1.9;
}
.tip-callout strong { color: var(--primary); }

.cat-title { border-top: none !important; margin-top: 28px; }

/* ---------- رنگ‌آمیزی XML در بلوک کد ---------- */
.code-block .xp { color: #7d8799; }               /* < > / */
.code-block .xn { color: #79c0ff; }               /* نام تگ */
.code-block .xa { color: #ffa657; }               /* نام صفت */
.code-block .xv { color: #a5d6ff; }               /* مقدار صفت */
.code-block .xt { color: #e6edf3; }               /* متن بین تگ‌ها */
.code-block .xc { color: #8b949e; font-style: italic; }  /* کامنت */
.code-block .xd { color: #d2a8ff; }               /* اعلان <?xml ?> */

/* هدرهای HTTP: فقط نمایشی و خارج از محدودهٔ کپی */
.http-head {
  display: block;
  color: #8b949e;
  border-inline-start: 3px solid #30363d;
  padding-inline-start: 10px;
  margin-bottom: 2px;
  user-select: none;
  -webkit-user-select: none;
}
.xml-part { display: block; }

/* ---------- پاورقی ناوبری ---------- */
.pager { display: flex; justify-content: space-between; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--border); }
.page-btn { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 10px 16px; }
.page-btn:hover { border-color: var(--primary); text-decoration: none; }

/* ---------- پاورقی ---------- */
.site-footer {
  border-top: 1px solid var(--border); background: var(--surface);
  padding: 22px 0; margin-top: 20px; color: var(--muted); font-size: 13px;
}
.site-footer .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.site-footer .logo { vertical-align: middle; margin-inline-end: 6px; }

/* ---------- واژگان ---------- */
.glossary dt { font-weight: 700; margin-top: 16px; }
.glossary dd { margin: 2px 0 0; color: #374151; }

/* ---------- واکنش‌گرا ---------- */
@media (max-width: 860px) {
  .page-body { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; border-inline-end: none; border-bottom: 1px solid var(--border); }
  .content { padding: 24px; }
  .top-nav { display: none; }
  .site-header .container { gap: 12px; }
}