@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg:        #07090f;
  --surface:   #0d1117;
  --surface2:  #161b22;
  --border:    #21262d;
  --border2:   #30363d;
  --primary:   #7c3aed;
  --primary-l: #a78bfa;
  --blue:      #58a6ff;
  --green:     #3fb950;
  --yellow:    #e3b341;
  --red:       #f85149;
  --text:      #e6edf3;
  --text2:     #8b949e;
  --text3:     #484f58;
  --sidebar-w: 256px;
  --radius:    8px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.7;
}

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

/* ── Layout ──────────────────────────────────────────────────────────────── */

.layout { display: flex; min-height: 100vh; }

/* ── Sidebar ─────────────────────────────────────────────────────────────── */

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  position: fixed; top: 0; left: 0; height: 100vh;
  overflow-y: auto;
  display: flex; flex-direction: column;
  scrollbar-width: thin;
}

.sidebar-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 18px 18px 14px;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
}
.sidebar-brand:hover { text-decoration: none; }

.brand-icon {
  width: 30px; height: 30px;
  background: linear-gradient(135deg, var(--primary), var(--primary-l));
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; flex-shrink: 0;
}

.brand-name { font-weight: 700; font-size: 14px; color: var(--text); }
.brand-sub  { font-size: 11px; color: var(--text2); }

.sidebar-nav { padding: 12px 0; flex: 1; }

.nav-group { margin-bottom: 4px; }

.nav-group-title {
  padding: 8px 18px 4px;
  font-size: 10.5px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--text3);
}

.nav-item {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 18px;
  font-size: 13px; color: var(--text2);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color .12s, background .12s;
  cursor: pointer;
}
.nav-item:hover { color: var(--text); background: var(--surface2); text-decoration: none; }
.nav-item.active { color: var(--primary-l); border-left-color: var(--primary); background: rgba(124,58,237,.08); }
.nav-item .nav-icon { font-size: 14px; width: 18px; text-align: center; flex-shrink: 0; }

.sidebar-footer {
  padding: 12px 18px;
  border-top: 1px solid var(--border);
  font-size: 11px; color: var(--text3);
}
.sidebar-footer a { color: var(--text2); }

/* ── Main ���───────────────────────────────────────────────────────────────── */

.main { margin-left: var(--sidebar-w); flex: 1; min-width: 0; }

.topbar {
  display: flex; align-items: center;
  padding: 0 40px; height: 52px;
  border-bottom: 1px solid var(--border);
  background: rgba(7,9,15,.8);
  backdrop-filter: blur(12px);
  position: sticky; top: 0; z-index: 10;
  gap: 12px;
}

.topbar-breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--text2);
}
.topbar-breadcrumb a { color: var(--text2); }
.topbar-breadcrumb .sep { color: var(--text3); }
.topbar-breadcrumb .cur { color: var(--text); font-weight: 500; }

.topbar-links { margin-left: auto; display: flex; gap: 16px; }
.topbar-links a { font-size: 12px; color: var(--text2); }
.topbar-links a:hover { color: var(--text); text-decoration: none; }

.content { max-width: 820px; margin: 0 auto; padding: 48px 40px 80px; }

/* ── Page header ─────────────────────────────────────────────────────────── */

.page-header { margin-bottom: 40px; }

.page-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(124,58,237,.1); color: var(--primary-l);
  border: 1px solid rgba(124,58,237,.2);
  padding: 3px 10px; border-radius: 20px;
  font-size: 11.5px; font-weight: 600; margin-bottom: 12px;
}

.page-title {
  font-size: 32px; font-weight: 700; line-height: 1.2; margin-bottom: 12px;
  background: linear-gradient(135deg, var(--text) 60%, var(--primary-l));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-desc { font-size: 15px; color: var(--text2); max-width: 600px; }

/* ── Section headings ────────────────────────────────────────────────────── */

.section { margin-bottom: 48px; scroll-margin-top: 72px; }

h2 {
  font-size: 20px; font-weight: 700; color: var(--text);
  margin-bottom: 16px; padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

h3 {
  font-size: 16px; font-weight: 600; color: var(--text);
  margin: 24px 0 10px;
}

h4 {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .06em; color: var(--text2);
  margin: 18px 0 8px;
}

p { color: var(--text2); margin-bottom: 14px; }
p strong { color: var(--text); }

ul, ol { padding-left: 22px; margin-bottom: 14px; }
li { color: var(--text2); margin-bottom: 5px; }
li strong { color: var(--text); }

/* ── Code ────────────────────────────────────────────────────────────────── */

pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  overflow-x: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px; line-height: 1.7;
  color: var(--text); margin: 16px 0;
  position: relative;
}

.pre-header {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 8px 22px;
  font-size: 11px; color: var(--text3);
  font-family: 'JetBrains Mono', monospace;
  display: flex; align-items: center; justify-content: space-between;
}

.pre-header + pre {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
  margin-top: 0;
}

code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px; background: var(--surface2);
  padding: 1px 5px; border-radius: 4px;
  color: var(--primary-l);
}
pre code { background: none; padding: 0; color: inherit; }

/* ── Tables ──────────────────────────────────────────────────────────────── */

.table-wrap { overflow-x: auto; margin: 16px 0; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }

th {
  background: var(--surface2);
  padding: 9px 14px;
  text-align: left; font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .05em;
  color: var(--text2); border: 1px solid var(--border);
}

td {
  padding: 9px 14px; border: 1px solid var(--border);
  color: var(--text2); vertical-align: top;
}
td:first-child { color: var(--text); font-weight: 500; }
td code { font-size: 12px; }
tr:nth-child(even) td { background: rgba(255,255,255,.018); }

/* ── Callouts ─────────────────────────────────────────────────────────���──── */

.callout {
  border-radius: var(--radius); padding: 14px 18px;
  margin: 16px 0; font-size: 13.5px;
  display: flex; gap: 12px; align-items: flex-start;
}
.callout-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.callout-body { color: var(--text2); }
.callout-body strong { color: var(--text); }
.callout-info    { background: rgba(88,166,255,.07);  border: 1px solid rgba(88,166,255,.18); }
.callout-warn    { background: rgba(227,179,65,.07);  border: 1px solid rgba(227,179,65,.18); }
.callout-success { background: rgba(63,185,80,.07);   border: 1px solid rgba(63,185,80,.18); }
.callout-danger  { background: rgba(248,81,73,.07);   border: 1px solid rgba(248,81,73,.18); }

/* ── Steps ───────────────────────────────────────────────────────────────── */

.steps { margin: 20px 0; }

.step {
  display: flex; gap: 16px;
  padding: 16px 0; border-bottom: 1px solid var(--border);
}
.step:last-child { border-bottom: none; }

.step-num {
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(124,58,237,.15); color: var(--primary-l);
  border: 1px solid rgba(124,58,237,.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; flex-shrink: 0; margin-top: 1px;
}

.step-content {}
.step-title { font-weight: 600; color: var(--text); margin-bottom: 4px; }
.step-desc  { font-size: 13px; color: var(--text2); }

/* ── Cards grid ──────────────────────────────────────────────────────────── */

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 20px 0; }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px;
  text-decoration: none; transition: border-color .15s, transform .15s;
  display: block;
}
.card:hover { border-color: var(--primary); transform: translateY(-1px); text-decoration: none; }
.card-icon  { font-size: 22px; margin-bottom: 10px; }
.card-title { font-weight: 600; color: var(--text); margin-bottom: 4px; font-size: 14px; }
.card-desc  { font-size: 12.5px; color: var(--text2); }

/* ── Params table ────────────────────────────────────────────────────────── */

.param-table { margin: 16px 0; }
.param-row {
  display: grid; grid-template-columns: 220px 1fr;
  border-bottom: 1px solid var(--border);
  padding: 10px 0; gap: 16px;
}
.param-row:first-child { border-top: 1px solid var(--border); }
.param-key  { font-family: 'JetBrains Mono', monospace; font-size: 12.5px; color: var(--primary-l); }
.param-val  { font-size: 13px; color: var(--text2); }

/* ── FAQ ─────────────────────────────────────────────────────────────────── */

.faq { margin: 16px 0; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 8px; overflow: hidden; }
.faq-q {
  padding: 12px 18px; font-weight: 600; font-size: 13.5px;
  background: var(--surface); cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  user-select: none;
}
.faq-q:hover { background: var(--surface2); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height .25s, padding .25s;
  font-size: 13.5px; color: var(--text2); padding: 0 18px;
}
.faq-a.open { max-height: 400px; padding: 14px 18px; border-top: 1px solid var(--border); }

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .sidebar { display: none; }
  .main    { margin-left: 0; }
  .content { padding: 32px 20px 60px; }
  .topbar  { padding: 0 20px; }
}