/* Riverforge — documentation. Layered on top of the main site style.css.
   Same palette, same nav, same fonts — adds the docs shell, sidebar, and prose. */

/* ---- layout shell ---- */
.docs-shell{max-width:1200px;margin:0 auto;padding:0 28px;
  display:grid;grid-template-columns:236px minmax(0,1fr) 188px;gap:36px;align-items:start}
.docs-content{min-width:0;padding:46px 8px 80px}

/* ---- left sidebar ---- */
.docs-sidebar{position:sticky;top:64px;align-self:start;max-height:calc(100vh - 64px);
  overflow-y:auto;padding:34px 14px 60px 0;border-right:1px solid var(--line)}
.docs-sidebar::-webkit-scrollbar{width:9px}
.docs-sidebar::-webkit-scrollbar-thumb{background:var(--line2);border-radius:9px}
.docs-sidebar .sb-group{margin-bottom:22px}
.docs-sidebar .sb-title{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--faint);margin:0 0 8px;padding:0 12px}
.docs-sidebar a{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--dim);
  padding:7px 12px;border-radius:9px;border-left:2px solid transparent;line-height:1.3;transition:color .15s,background .15s}
.docs-sidebar a:hover{color:var(--text);background:var(--panel)}
.docs-sidebar a.active{color:var(--accent3);background:rgba(56,189,248,.09);border-left-color:var(--accent)}
.docs-sidebar .sb-home{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;color:var(--text);
  margin:0 0 26px;padding:0 12px}
.docs-sidebar .sb-home svg{flex:0 0 auto}

/* ---- right "on this page" rail ---- */
.docs-toc{position:sticky;top:64px;align-self:start;max-height:calc(100vh - 64px);overflow-y:auto;
  padding:50px 0 60px;font-size:13px}
.docs-toc .toc-h{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--faint);margin:0 0 12px}
.docs-toc a{display:block;color:var(--dim);padding:5px 0 5px 12px;border-left:1px solid var(--line);
  line-height:1.35;transition:color .15s,border-color .15s}
.docs-toc a:hover{color:var(--text)}
.docs-toc a.active{color:var(--accent3);border-left-color:var(--accent)}
.docs-toc a.lvl-3{padding-left:24px;font-size:12.5px}

/* ---- breadcrumb + page head ---- */
.docs-breadcrumb{font-family:var(--mono);font-size:12.5px;color:var(--faint);margin:0 0 18px;letter-spacing:.02em}
.docs-breadcrumb a{color:var(--accent)}
.docs-breadcrumb a:hover{color:var(--accent3)}
.docs-content h1{font-size:clamp(32px,4.6vw,46px);line-height:1.06;letter-spacing:-.03em;font-weight:800;margin:0 0 16px}
.docs-lede{font-size:18px;color:var(--dim);max-width:64ch;margin:0 0 36px;line-height:1.55}

/* ---- prose ---- */
.docs-content h2{font-size:clamp(23px,2.6vw,30px);letter-spacing:-.02em;font-weight:800;margin:52px 0 16px;
  padding-top:26px;border-top:1px solid var(--line);scroll-margin-top:84px}
.docs-content h2:first-of-type{border-top:0;padding-top:0}
.docs-content h3{font-size:19px;font-weight:700;letter-spacing:-.01em;margin:34px 0 12px;color:var(--text);scroll-margin-top:84px}
.docs-content h4{font-size:15.5px;font-weight:700;margin:24px 0 8px;color:var(--text);
  font-family:var(--mono);letter-spacing:.01em}
.docs-content p{color:var(--dim);font-size:16px;line-height:1.7;margin:0 0 16px}
.docs-content ul,.docs-content ol{color:var(--dim);font-size:16px;line-height:1.7;margin:0 0 18px;padding-left:24px}
.docs-content li{margin:6px 0}
.docs-content li::marker{color:var(--faint)}
.docs-content a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(56,189,248,.25)}
.docs-content a:hover{color:var(--accent3);border-bottom-color:var(--accent3)}
.docs-content strong{color:var(--text);font-weight:650}
.docs-content code{font-family:var(--mono);font-size:.9em;color:var(--accent3);
  background:rgba(56,189,248,.08);border:1px solid var(--line);border-radius:6px;padding:1px 6px}
.docs-content pre{background:#0a0e18;border:1px solid var(--line);border-radius:13px;padding:16px 18px;
  overflow-x:auto;margin:0 0 20px;line-height:1.6}
.docs-content pre code{background:none;border:0;padding:0;color:var(--dim);font-size:13.5px}
.docs-content pre code .p{color:var(--accent)}
.docs-content hr{border:0;border-top:1px solid var(--line);margin:38px 0}
.docs-content blockquote{margin:0 0 20px;padding:2px 0 2px 18px;border-left:3px solid var(--line2);color:var(--faint)}

/* keyboard keys */
kbd{font-family:var(--mono);font-size:12px;color:var(--text);background:var(--panel2);
  border:1px solid var(--line2);border-bottom-width:2px;border-radius:6px;padding:2px 7px;white-space:nowrap}

/* ---- tables ---- */
.docs-content .tbl{overflow-x:auto;margin:0 0 22px;border:1px solid var(--line);border-radius:13px}
.docs-content table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:440px}
.docs-content th{text-align:left;font-family:var(--mono);font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;
  color:var(--accent3);background:rgba(56,189,248,.05);padding:11px 15px;border-bottom:1px solid var(--line2)}
.docs-content td{padding:11px 15px;color:var(--dim);border-bottom:1px solid var(--line);vertical-align:top;line-height:1.55}
.docs-content tr:last-child td{border-bottom:0}
.docs-content td code{white-space:nowrap}
.docs-content td strong{color:var(--text)}

/* ---- callouts ---- */
.callout{display:grid;grid-template-columns:auto 1fr;gap:13px;align-items:start;
  border:1px solid var(--line2);border-radius:13px;padding:15px 18px;margin:0 0 22px;background:var(--panel)}
.callout .ci{font-size:17px;line-height:1.4}
.callout p{margin:0;font-size:15px}
.callout p+p{margin-top:8px}
.callout strong{color:var(--text)}
.callout.tip{border-color:rgba(52,211,153,.35);background:rgba(52,211,153,.06)}
.callout.tip .ci{color:var(--ok)}
.callout.note{border-color:rgba(56,189,248,.32);background:rgba(56,189,248,.06)}
.callout.note .ci{color:var(--accent)}
.callout.warn{border-color:rgba(245,135,113,.4);background:rgba(245,135,113,.07)}
.callout.warn .ci{color:#f8a08f}

/* ---- step list ---- */
ol.steps{counter-reset:step;list-style:none;padding:0;margin:0 0 24px}
ol.steps>li{position:relative;padding:0 0 18px 46px;margin:0}
ol.steps>li::before{counter-increment:step;content:counter(step);position:absolute;left:0;top:-2px;
  width:30px;height:30px;display:grid;place-items:center;border-radius:50%;
  background:rgba(56,189,248,.1);border:1px solid var(--line2);color:var(--accent3);
  font-family:var(--mono);font-size:13px;font-weight:700}
ol.steps>li:not(:last-child)::after{content:"";position:absolute;left:14.5px;top:32px;bottom:2px;width:1px;background:var(--line)}
ol.steps>li strong{color:var(--text)}

/* ---- overview card grid ---- */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin:0 0 30px}
.doc-card{display:block;border:1px solid var(--line);border-radius:15px;padding:20px;background:var(--panel);
  transition:transform .18s ease,border-color .25s ease,background .25s ease}
.doc-card:hover{transform:translateY(-3px);border-color:var(--accent);background:var(--panel2)}
.doc-card .dc-ic{font-size:22px;margin-bottom:10px;line-height:1}
.doc-card h3{margin:0 0 6px;font-size:16.5px;color:var(--text)}
.doc-card p{margin:0;font-size:14px;color:var(--faint);line-height:1.5}

/* ---- pills / badges ---- */
.pill{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:12px;
  border:1px solid var(--line2);border-radius:999px;padding:4px 12px;color:var(--dim);background:var(--panel)}
.pill .pdot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok)}
.pillrow{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 24px}

/* ---- prev / next ---- */
.docs-prevnext{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:56px;
  padding-top:30px;border-top:1px solid var(--line)}
.docs-prevnext a{display:flex;flex-direction:column;gap:4px;border:1px solid var(--line);border-radius:13px;
  padding:16px 18px;background:var(--panel);transition:border-color .2s,transform .18s;border-bottom:1px solid var(--line)}
.docs-prevnext a:hover{border-color:var(--accent);transform:translateY(-2px)}
.docs-prevnext .pn-k{font-family:var(--mono);font-size:11.5px;color:var(--faint);text-transform:uppercase;letter-spacing:.06em}
.docs-prevnext .pn-t{color:var(--text);font-weight:650;font-size:15.5px}
.docs-prevnext .nextcard{text-align:right;grid-column:2}
.docs-prevnext .prevcard{grid-column:1}

/* ---- mobile menu button ---- */
.docs-menu-btn{display:none;position:fixed;z-index:45;right:18px;bottom:18px;
  align-items:center;gap:8px;font-family:var(--sans);font-weight:600;font-size:14px;
  padding:12px 18px;border-radius:999px;border:1px solid var(--line2);color:var(--text);cursor:pointer;
  background:rgba(8,11,20,.92);box-shadow:0 14px 34px -12px rgba(0,0,0,.8)}
.docs-overlay{display:none;position:fixed;inset:0;z-index:43;background:rgba(4,6,12,.6)}

/* ---- responsive ---- */
@media(max-width:1120px){
  .docs-shell{grid-template-columns:248px minmax(0,1fr)}
  .docs-toc{display:none}
}
@media(max-width:860px){
  .docs-shell{display:block;padding:0}
  .docs-content{padding:30px 20px 70px}
  .docs-menu-btn{display:inline-flex}
  .docs-sidebar{position:fixed;top:0;left:0;bottom:0;z-index:44;width:280px;max-height:100vh;
    background:#0a0e18;border-right:1px solid var(--line2);padding:26px 14px 60px 18px;
    transform:translateX(-102%);transition:transform .28s cubic-bezier(.2,.7,.2,1)}
  .docs-sidebar.open{transform:none}
  body.sb-open .docs-overlay{display:block}
}