/* Humanuity /help: Doküman layout (category tree + search, reading pane, "in this article" rail).
   Loads after page.css; reuses the site tokens (ink, line, one violet accent, pill controls, 16px panels). */

.hp-shell{max-width:1280px;margin:0 auto;padding:64px var(--gutter) 0;display:grid;grid-template-columns:290px minmax(0,1fr) 210px;gap:clamp(28px,3vw,40px);}
.hp-shell svg{width:1em;height:1em;flex:none;}
.hp-mob{display:none;}

/* left: search + tree */
.hp-nav{position:sticky;top:64px;align-self:start;height:calc(100dvh - 64px);overflow:auto;padding:28px 6px 90px 0;scrollbar-width:thin;}
.hp-sbox{position:relative;}
.hp-sbox > svg{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--fg-3);font-size:17px;pointer-events:none;}
.hp-sbox input{width:100%;height:44px;padding:0 40px 0 42px;border-radius:999px;border:1px solid rgba(255,255,255,0.16);background:rgba(16,16,20,0.8);
  color:var(--fg-1);font-family:var(--font-text);font-size:15px;outline:none;transition:border-color .2s,box-shadow .2s;}
.hp-sbox input::placeholder{color:#8A8A93;}
.hp-sbox input::-webkit-search-cancel-button{display:none;}
.hp-sbox input:focus{border-color:var(--acc);box-shadow:0 0 0 4px rgba(174,140,247,0.16);}
.hp-clr{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:28px;height:28px;border-radius:50%;border:0;background:transparent;color:var(--fg-3);
  cursor:pointer;display:none;place-items:center;font-size:14px;}
.hp-clr:hover{background:rgba(255,255,255,0.08);color:var(--fg-1);}
.hp-sbox.has .hp-clr{display:grid;}
a.hp-homel{display:flex;align-items:center;gap:10px;margin:14px 0 6px;padding:8px 10px;border-radius:10px;color:var(--fg-2);text-decoration:none;font-size:14.5px;font-weight:600;transition:color .2s,background .2s;}
a.hp-homel svg{font-size:18px;}
a.hp-homel:hover{color:var(--fg-1);background:rgba(255,255,255,0.04);}
a.hp-homel.on{background:var(--acc-soft);color:var(--acc);}
.hp-grp > button{display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;border:0;border-radius:10px;background:none;color:var(--fg-1);
  font:inherit;font-size:14.5px;font-weight:600;cursor:pointer;text-align:left;transition:background .2s;}
.hp-grp > button:hover{background:rgba(255,255,255,0.04);}
.hp-grp > button > svg:first-child{color:var(--acc);font-size:18px;}
.hp-grp > button > svg:last-child{margin-left:auto;font-size:12px;color:var(--fg-3);transition:transform .2s;}
.hp-grp.open > button > svg:last-child{transform:rotate(90deg);}
.hp-grp ul{list-style:none;margin:2px 0 8px 19px;padding:0;border-left:1px solid var(--line);display:none;}
.hp-grp.open ul{display:block;}
.hp-grp li a{display:block;padding:6px 12px;margin-left:-1px;border-left:2px solid transparent;font-size:14px;line-height:1.4;color:var(--fg-3);text-decoration:none;transition:color .2s;}
.hp-grp li a:hover{color:var(--fg-1);}
.hp-grp li a.on{color:var(--fg-1);border-left-color:var(--acc);font-weight:600;}
.hp-nores{padding:14px 10px;font-size:14px;line-height:1.55;color:var(--fg-3);}
.hp-nores a,.hp-sc a:not(.hp-btn){color:var(--acc);font-weight:600;}
mark.hp-hit{background:var(--acc-soft);color:var(--acc);border-radius:4px;padding:0 2px;}

/* center */
.hp-pane{padding-top:40px;min-width:0;max-width:740px;}
.hp-home h1,.hp-art h1{font-family:var(--font-display);font-weight:700;letter-spacing:-0.03em;line-height:1.08;color:var(--fg-1);text-wrap:balance;}
.hp-home h1{font-size:clamp(34px,4vw,46px);margin-bottom:14px;}
.hp-art h1{font-size:clamp(28px,3.2vw,38px);margin-bottom:16px;}
.hp-lead{font-size:18px;line-height:1.6;color:var(--fg-2);margin-bottom:30px;max-width:58ch;}
.hp-count{font-size:15px;color:var(--fg-3);margin-bottom:18px;}
.hp-home h2{font-family:var(--font-display);font-weight:600;letter-spacing:-0.02em;font-size:24px;margin:38px 0 14px;}
.hp-crumb{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:18px;font-size:14px;color:var(--fg-3);}
.hp-crumb a{color:var(--fg-3);text-decoration:none;}
.hp-crumb a:hover{color:var(--acc);}
.hp-crumb svg{font-size:12px;}
.hp-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px;}
.hp-chip{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;border:1px solid var(--line-2);color:var(--fg-2);font-size:13px;font-weight:500;}
.hp-chip svg{font-size:14px;color:var(--acc);}

.hp-ic{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;background:var(--acc-soft);border:1px solid rgba(174,140,247,0.25);color:var(--acc);font-size:19px;flex:none;}
.hp-tiles,.hp-cats{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.hp-tile,.hp-cats a{display:flex;align-items:center;gap:12px;padding:14px;border-radius:14px;border:1px solid var(--line);background:var(--ink-1);text-decoration:none;color:var(--fg-1);font-weight:600;font-size:15px;line-height:1.35;transition:border-color .25s;}
.hp-tile:hover,.hp-cats a:hover{border-color:rgba(174,140,247,0.4);}
.hp-tt small{display:block;color:var(--fg-3);font-weight:500;font-size:13px;margin-top:2px;}
.hp-gap{height:34px;}

/* reading */
.hp-prose{font-size:16.5px;line-height:1.72;color:var(--fg-2);}
.hp-prose p{margin:14px 0;text-wrap:pretty;}
.hp-prose strong{color:var(--fg-1);font-weight:600;}
.hp-prose a{color:var(--acc);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.hp-prose h3{font-family:var(--font-display);font-weight:600;letter-spacing:-0.02em;font-size:22px;line-height:1.25;color:var(--fg-1);margin:34px 0 10px;scroll-margin-top:92px;}
.hp-prose ul{list-style:none;display:grid;gap:8px;margin:12px 0;}
.hp-prose ul li{position:relative;padding-left:20px;}
.hp-prose ul li::before{content:"";position:absolute;left:2px;top:.8em;width:8px;height:1px;background:var(--acc);}
.hp-prose ol{list-style:none;counter-reset:s;margin:12px 0;display:grid;gap:12px;}
.hp-prose ol li{counter-increment:s;position:relative;padding-left:40px;}
.hp-prose ol li::before{content:counter(s);position:absolute;left:0;top:1px;width:26px;height:26px;border-radius:8px;background:var(--acc-soft);color:var(--acc);font-size:13px;font-weight:700;display:grid;place-items:center;}

.hp-pn{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:40px;}
.hp-pn a{display:block;padding:14px 16px;border-radius:12px;border:1px solid var(--line);text-decoration:none;color:var(--fg-1);font-weight:600;font-size:15px;transition:border-color .25s;}
.hp-pn a:hover{border-color:rgba(174,140,247,0.4);}
.hp-pn small{display:block;color:var(--fg-3);font-weight:500;font-size:13px;margin-bottom:2px;}
.hp-pn a:last-child{text-align:right;}
.hp-pn a:only-child{grid-column:2;}
.hp-pn a:only-child:first-child:not(:last-child){grid-column:1;}

/* search results */
.hp-res{display:grid;gap:6px;}
.hp-res a{display:grid;gap:3px;padding:14px 16px;border-radius:12px;border:1px solid var(--line);text-decoration:none;color:var(--fg-1);transition:border-color .25s;}
.hp-res a:hover{border-color:rgba(174,140,247,0.4);}
.hp-res strong{font-size:16px;font-weight:600;}
.hp-res small{font-size:13px;color:var(--acc);}
.hp-res span{font-size:14.5px;line-height:1.55;color:var(--fg-3);}

/* support + empty */
.hp-btn{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 20px;border-radius:999px;background:var(--fg-1);color:var(--ink-0);text-decoration:none;font-weight:600;font-size:15px;white-space:nowrap;transition:opacity .2s;}
.hp-btn:hover{opacity:.88;}
.hp-sc{display:flex;align-items:center;gap:18px;padding:24px;border-radius:var(--r-panel);border:1px solid rgba(174,140,247,0.26);
  background:linear-gradient(135deg,rgba(174,140,247,0.13),rgba(174,140,247,0.02) 60%),var(--ink-1);}
.hp-sc > svg{font-size:30px;color:var(--acc);flex:none;}
.hp-sc strong{display:block;font-size:17px;color:var(--fg-1);margin-bottom:3px;}
.hp-sc p{font-size:15px;line-height:1.55;color:var(--fg-2);}
.hp-sc .hp-sc-note{margin-top:8px;font-size:13.5px;color:var(--fg-3);overflow-wrap:anywhere;}
.hp-sc .hp-btn{margin-left:auto;}
.hp-empty{text-align:center;padding:48px 22px;border:1px dashed var(--line-2);border-radius:var(--r-panel);background:var(--ink-1);}
.hp-ei{width:48px;height:48px;margin:0 auto 14px;display:grid;place-items:center;border-radius:14px;background:var(--acc-soft);color:var(--acc);font-size:24px;}
.hp-empty h3{font-family:var(--font-display);font-size:22px;font-weight:600;margin-bottom:8px;word-break:break-word;}
.hp-empty p{margin:0 auto 20px;max-width:46ch;color:var(--fg-2);line-height:1.6;font-size:15.5px;}

/* right rail */
.hp-toc{position:sticky;top:96px;align-self:start;padding-top:44px;}
.hp-toc p{margin:0 0 8px 12px;font-size:13px;font-weight:500;color:var(--fg-3);}
.hp-toc ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--line);}
.hp-toc a{display:block;padding:6px 12px;margin-left:-1px;border-left:2px solid transparent;font-size:14px;line-height:1.4;color:var(--fg-3);text-decoration:none;transition:color .2s;}
.hp-toc a:hover{color:var(--fg-1);}
.hp-toc a.on{color:var(--fg-1);border-left-color:var(--acc);font-weight:600;}

.hp-shell a:focus-visible,.hp-shell button:focus-visible,.hp-shell input:focus-visible{outline:2px solid var(--acc);outline-offset:2px;}

@media (prefers-reduced-motion:no-preference){
  .hp-pane > *{animation:hp-rise .45s var(--ease-standard) both;}
  @keyframes hp-rise{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}
}
@media (max-width:1100px){
  .hp-shell{grid-template-columns:270px minmax(0,1fr);}
  .hp-toc{display:none;}
}
@media (max-width:800px){
  .hp-shell{grid-template-columns:1fr;gap:0;}
  .hp-nav{position:static;height:auto;max-height:0;overflow:hidden;padding:0;}
  .hp-nav.show{max-height:none;overflow:visible;padding:16px 0 0;}
  .hp-mob{display:flex;align-items:center;gap:8px;margin-top:18px;width:100%;height:46px;padding:0 16px;border-radius:999px;border:1px solid var(--line-2);background:var(--ink-1);color:var(--fg-1);font:inherit;font-size:15px;font-weight:600;cursor:pointer;}
  .hp-mob svg{font-size:18px;}
  .hp-pane{padding-top:28px;}
}
@media (max-width:520px){
  .hp-tiles,.hp-cats,.hp-pn{grid-template-columns:1fr;}
  .hp-pn a:last-child{text-align:left;}
  .hp-pn a:only-child{grid-column:1;}
  .hp-sc{flex-wrap:wrap;}
  .hp-sc .hp-btn{margin-left:0;width:100%;}
  .hp-prose{font-size:16px;}
}