/* ============================================================
   kb.css — RattusWMS knowledge base, aligned to the RattusWMS
   v2 design system and the api.html docs pattern.
   Loaded ONLY on kb/*.html. All rules scoped under .kbdoc.
   ============================================================ */

.kbdoc{ --kb-purple:#6d43c9; --kb-purple-soft:#efeafb; background:var(--paper); }

/* ---------- Hero (night blueprint band) ---------- */
.kbdoc .kb-hero{
  position:relative; overflow:hidden; text-align:center;
  background:linear-gradient(160deg,var(--night) 0%,var(--night-2) 100%);
  border-bottom:1px solid var(--night-line);
}
.kbdoc .kb-hero::before{
  content:""; position:absolute; inset:0;
  background-image:linear-gradient(var(--night-grid) 1px,transparent 1px),
                   linear-gradient(90deg,var(--night-grid) 1px,transparent 1px);
  background-size:44px 44px; mask-image:linear-gradient(180deg,#000,transparent 88%);
}
.kbdoc .kb-hero-inner{ position:relative; max-width:780px; margin:0 auto; padding:64px var(--gut) 52px; }
.kbdoc .kb-hero--sec .kb-hero-inner{ padding:48px var(--gut) 40px; }
.kbdoc .hero-tag{
  font-family:var(--mono); font-size:12px; font-weight:500; letter-spacing:.16em;
  text-transform:uppercase; color:var(--blue-300); display:block; margin-bottom:16px;
}
.kbdoc .kb-hero h1{
  font-family:var(--display); font-weight:600; letter-spacing:-.03em;
  font-size:clamp(30px,4.4vw,46px); line-height:1.06; color:var(--night-ink); margin:0;
}
.kbdoc .kb-hero--sec h1{ font-size:clamp(26px,3.6vw,38px); }
.kbdoc .kb-hero h1 span{ color:var(--blue-300); }
.kbdoc .kb-hero p{ margin:16px auto 0; max-width:640px; color:var(--night-ink-2); font-size:16px; line-height:1.65; }
.kbdoc .hero-pills{ display:flex; gap:10px; justify-content:center; flex-wrap:wrap; margin-top:26px; }
.kbdoc .pill{
  font-family:var(--mono); font-size:12px; color:var(--night-ink);
  background:rgba(136,178,216,.10); border:1px solid var(--night-line);
  padding:6px 13px; border-radius:var(--r-pill);
}
.kbdoc .pill.green{ color:#7fd6b0; border-color:rgba(127,214,176,.4); }
.kbdoc .pill.blue{ color:var(--blue-300); border-color:rgba(136,178,216,.4); }
.kbdoc .pill.purple{ color:#c4b5fd; border-color:rgba(196,181,253,.35); }

/* ---------- Breadcrumb ---------- */
.kbdoc .crumb{
  display:flex; align-items:center; gap:8px; flex-wrap:wrap;
  font-family:var(--mono); font-size:12px; color:var(--ink-3); padding:22px 0 0;
}
.kbdoc .crumb a{ color:var(--ink-3); }
.kbdoc .crumb a:hover{ color:var(--blue-700); }
.kbdoc .crumb span{ color:var(--ink-4); }
.kbdoc .crumb em{ font-style:normal; color:var(--ink); }

/* ---------- Layout (sidebar + content) ---------- */
.kbdoc .layout{ display:grid; grid-template-columns:238px minmax(0,1fr); gap:48px; padding:26px 0 88px; align-items:start; }
.kbdoc .sidebar{ position:sticky; top:92px; align-self:start; max-height:calc(100vh - 108px); overflow-y:auto; }
.kbdoc .content{ min-width:0; max-width:840px; }

/* ---------- Sidebar nav ---------- */
.kbdoc .nav-section{ margin-bottom:18px; }
.kbdoc .nav-label{ font-family:var(--mono); font-size:11px; font-weight:600; letter-spacing:.11em; text-transform:uppercase; color:var(--blue-700); margin-bottom:6px; padding-left:12px; }
.kbdoc .nav-link{ display:block; padding:6px 12px; border-radius:var(--r-sm); font-size:13.5px; color:var(--ink-3); border-left:2px solid transparent; transition:color .15s,background .15s,border-color .15s; }
.kbdoc .nav-link:hover{ color:var(--ink); background:var(--tint-2); }
.kbdoc .nav-link.active{ color:var(--blue-700); background:var(--tint); border-left-color:var(--blue-700); font-weight:500; }
.kbdoc .nav-link.nav-sec{ font-weight:600; color:var(--ink-2); font-size:14px; }
.kbdoc .nav-link.nav-sec:hover{ color:var(--blue-700); }

/* ---------- Section blocks ---------- */
.kbdoc .section{ margin-bottom:52px; scroll-margin-top:96px; }
.kbdoc .section-header{ display:flex; align-items:center; gap:12px; margin-bottom:20px; padding-bottom:14px; border-bottom:1px solid var(--line); }
.kbdoc .section-heads{ min-width:0; }
.kbdoc .section-icon{ width:38px; height:38px; border-radius:var(--r-md); display:flex; align-items:center; justify-content:center; font-size:17px; flex-shrink:0; }
.kbdoc .section-icon.blue{ background:var(--tint); }
.kbdoc .section-icon.green{ background:var(--mint-soft); }
.kbdoc .section-icon.purple{ background:var(--kb-purple-soft); }
.kbdoc .section-icon.orange{ background:var(--amber-soft); }
.kbdoc .section-title{ font-family:var(--display); font-weight:600; letter-spacing:-.02em; font-size:22px; color:var(--ink); line-height:1.15; }
.kbdoc .section-sub{ font-size:13px; color:var(--ink-3); margin-top:3px; }

/* ---------- Copy-link chip ---------- */
.kbdoc .perma{
  margin-left:auto; flex-shrink:0; font-family:var(--mono); font-size:11px; letter-spacing:.04em;
  color:var(--blue-700); background:var(--tint); border:1px solid var(--blue-100);
  padding:5px 11px; border-radius:var(--r-pill); cursor:pointer; white-space:nowrap;
  transition:background .15s,color .15s,border-color .15s;
}
.kbdoc .perma:hover{ background:var(--blue-700); color:#fff; border-color:var(--blue-700); }
.kbdoc .perma.is-copied{ background:var(--mint-soft); color:var(--mint); border-color:var(--mint); }
.kbdoc .perma:focus-visible{ outline:2px solid var(--blue-700); outline-offset:2px; }

/* ---------- Body copy ---------- */
.kbdoc p{ font-size:15px; color:var(--ink-2); margin:0 0 15px; line-height:1.7; max-width:74ch; }
.kbdoc .content ul, .kbdoc .content ol{ margin:0 0 16px; padding-left:2px; max-width:74ch; }
.kbdoc .content ul{ list-style:none; }
.kbdoc .content ul li{ position:relative; padding-left:20px; margin-bottom:7px; color:var(--ink-2); font-size:15px; line-height:1.65; }
.kbdoc .content ul li::before{ content:""; position:absolute; left:3px; top:10px; width:6px; height:6px; border-radius:50%; background:var(--blue-300); }
.kbdoc .content ol{ list-style:none; counter-reset:kbo; }
.kbdoc .content ol li{ position:relative; padding-left:32px; margin-bottom:7px; counter-increment:kbo; color:var(--ink-2); font-size:15px; line-height:1.65; }
.kbdoc .content ol li::before{ content:counter(kbo,decimal-leading-zero); position:absolute; left:0; top:2px; font-family:var(--mono); font-size:11.5px; color:var(--blue-700); }
.kbdoc code{ font-family:var(--mono); font-size:12.5px; color:var(--ink); background:rgba(10,22,38,.05); padding:1px 5px; border-radius:3px; }

/* ---------- Tables ---------- */
.kbdoc .tablewrap{ overflow-x:auto; margin:4px 0 18px; -webkit-overflow-scrolling:touch; }
.kbdoc table{ width:100%; border-collapse:collapse; font-size:14px; background:var(--surface); border:1px solid var(--line); border-radius:var(--r-sm); }
.kbdoc th{ text-align:left; padding:9px 14px; font-family:var(--mono); font-size:10px; color:var(--ink-3); text-transform:uppercase; letter-spacing:.08em; border-bottom:1px solid var(--line); background:var(--tint-2); white-space:nowrap; }
.kbdoc td{ padding:11px 14px; border-bottom:1px solid var(--line-2); color:var(--ink-2); vertical-align:top; }
.kbdoc tbody tr:last-child td{ border-bottom:none; }
.kbdoc td:first-child{ font-family:var(--mono); font-size:12.5px; color:var(--blue-700); white-space:nowrap; }

/* ---------- Info-box callouts ---------- */
.kbdoc .info-box{ border-radius:var(--r-sm); padding:14px 18px; margin:16px 0; font-size:14px; border-left:3px solid; line-height:1.65; max-width:74ch; }
.kbdoc .info-box.blue{ background:var(--tint); border-color:var(--blue-600); color:var(--blue-800); }
.kbdoc .info-box.green{ background:var(--mint-soft); border-color:var(--mint); color:#0d6b4a; }
.kbdoc .info-box.orange{ background:var(--amber-soft); border-color:var(--amber); color:#8a5a15; }
.kbdoc .info-box.purple{ background:var(--kb-purple-soft); border-color:var(--kb-purple); color:#4a2c8f; }

/* ---------- Index page bands ---------- */
.kbdoc .band{ padding:52px 0 0; }
.kbdoc .band:last-of-type{ padding-bottom:52px; }
.kbdoc .band-h{ font-family:var(--display); font-weight:600; font-size:clamp(21px,2.6vw,28px); letter-spacing:-.02em; padding-bottom:14px; border-bottom:1px solid var(--line); margin:0 0 22px; }
.kbdoc .band-p{ max-width:70ch; }

/* ---------- Module cards ---------- */
.kbdoc .mod-grid{ display:grid; gap:14px; grid-template-columns:repeat(auto-fill,minmax(272px,1fr)); }
.kbdoc .mod-card{ position:relative; display:block; background:var(--surface); border:1px solid var(--line); border-radius:var(--r-md); padding:20px 20px 46px; transition:border-color .16s,box-shadow .16s,transform .16s; }
.kbdoc .mod-card:hover{ border-color:var(--blue-300); box-shadow:var(--sh-2); transform:translateY(-2px); }
.kbdoc .mod-icon{ width:36px; height:36px; border-radius:var(--r-md); background:var(--tint); display:flex; align-items:center; justify-content:center; font-size:17px; margin-bottom:12px; }
.kbdoc .mod-name{ font-family:var(--display); font-weight:600; font-size:17.5px; letter-spacing:-.01em; margin-bottom:6px; }
.kbdoc .mod-card p{ font-size:14px; line-height:1.55; margin-bottom:10px; }
.kbdoc .mod-topics{ font-size:12.5px; color:var(--ink-3); line-height:1.5; }
.kbdoc .mod-n{ position:absolute; left:20px; bottom:16px; font-family:var(--mono); font-size:11px; letter-spacing:.06em; text-transform:uppercase; color:var(--blue-700); }

/* ---------- Topic index ---------- */
.kbdoc .ix-bar{ display:flex; align-items:center; gap:14px; flex-wrap:wrap; margin:0 0 14px; }
.kbdoc #kbfilter{ flex:1 1 320px; min-width:0; font-family:var(--body); font-size:15px; color:var(--ink); padding:11px 14px; background:var(--surface); border:1px solid var(--line-strong); border-radius:var(--r-sm); }
.kbdoc #kbfilter:focus{ outline:none; border-color:var(--blue-700); }
.kbdoc .ix-count{ font-family:var(--mono); font-size:12px; color:var(--ink-3); letter-spacing:.04em; white-space:nowrap; }
.kbdoc table.ix td{ vertical-align:middle; }
.kbdoc table.ix td:first-child{ font-family:var(--body); font-size:14px; white-space:normal; }
.kbdoc .ix-t a{ color:var(--blue-700); font-weight:500; }
.kbdoc .ix-t a:hover{ text-decoration:underline; }
.kbdoc .ix-m{ color:var(--ink-3); white-space:nowrap; }
.kbdoc .ix-u code{ font-size:11.5px; color:var(--ink-3); background:none; padding:0; word-break:break-all; }
.kbdoc .ix-c{ text-align:right; white-space:nowrap; }

/* ---------- Prev / next ---------- */
.kbdoc .pnrow{ display:flex; gap:12px; margin-top:8px; flex-wrap:wrap; }
.kbdoc .pn{ flex:1 1 220px; padding:16px 18px; background:var(--surface); border:1px solid var(--line); border-radius:var(--r-md); font-weight:600; font-size:15.5px; transition:border-color .16s,box-shadow .16s; }
.kbdoc .pn:hover{ border-color:var(--blue-300); box-shadow:var(--sh-2); }
.kbdoc .pn span{ display:block; font-family:var(--mono); font-weight:400; font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--ink-4); margin-bottom:5px; }
.kbdoc .pn.next{ text-align:right; }

/* ---------- CTA ---------- */
.kbdoc .kb-cta{ background:var(--night); color:var(--night-ink); padding:62px 0; text-align:center; border-top:1px solid var(--night-line); }
.kbdoc .kb-cta h2{ color:#fff; font-family:var(--display); font-weight:600; font-size:clamp(24px,3.4vw,34px); letter-spacing:-.02em; margin:0; }
.kbdoc .kb-cta p{ color:var(--night-ink-2); margin:12px auto 0; max-width:56ch; }
.kbdoc .cta-btns{ display:flex; gap:12px; justify-content:center; margin-top:26px; flex-wrap:wrap; }
.kbdoc .kb-cta .btn-ghost{ color:#fff; border-color:rgba(255,255,255,.34); }
.kbdoc .kb-cta .btn-ghost:hover{ background:rgba(255,255,255,.10); border-color:#fff; }
.kbdoc .btn-sm{ padding:9px 14px; font-size:13.5px; }

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .kbdoc .layout{ grid-template-columns:1fr; gap:22px; padding-top:18px; }
  .kbdoc .sidebar{ position:static; max-height:none; border:1px solid var(--line); border-radius:var(--r-md); background:var(--surface); padding:14px 16px; }
  .kbdoc .nav-section{ margin-bottom:10px; }
}
@media (max-width:640px){
  .kbdoc .kb-hero-inner{ padding:52px var(--gut) 42px; }
  .kbdoc .band{ padding-top:40px; }
  .kbdoc .section{ margin-bottom:40px; }
  .kbdoc .section-header{ flex-wrap:wrap; }
  .kbdoc .perma{ margin-left:48px; }
  .kbdoc .ix-u{ display:none; }
}
@media (prefers-reduced-motion:reduce){
  .kbdoc .mod-card,.kbdoc .pn,.kbdoc .perma{ transition:none; }
  .kbdoc .mod-card:hover{ transform:none; }
}