/* ============================================================
   Knowledge Base — professional revamp (dark + light).
   Loaded LAST on kb.html, so it overrides portal.css/shared.css
   for the KB only. The admin portal (portal.css) is untouched.
   ============================================================ */
:root{
  --kb-bg:#0A0E16; --kb-bg2:#0E131D; --kb-surf:#141B27; --kb-surf2:#1A2331;
  --kb-ink:#F1F5F9; --kb-soft:#C3CEDD; --kb-dim:#8A99AD; --kb-mute:#5F6E82;
  --kb-line:#1E2A3A; --kb-line2:#2A3A4E;
  --kb-brand:#A3E635; --kb-brand-ink:#0A0E16; --kb-brand-soft:rgba(163,230,53,.12);
  --kb-brand-txt:#A3E635; --kb-brand-strong:#BEF264;
  --kb-nav:rgba(10,14,22,.82); --kb-shadow:rgba(0,0,0,.55);
  --kb-sans:ui-sans-serif,"Segoe UI Variable","Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  --kb-mono:ui-monospace,"Cascadia Code","SF Mono",Consolas,monospace;
  --kb-max:1080px;
}
html[data-theme="light"]{
  --kb-bg:#F8FAFC; --kb-bg2:#EDF1F6; --kb-surf:#FFFFFF; --kb-surf2:#F4F7FB;
  --kb-ink:#141922; --kb-soft:#3B4553; --kb-dim:#5B6674; --kb-mute:#8994A2;
  --kb-line:#E5E9EF; --kb-line2:#D3D9E2;
  --kb-brand:#A3E635; --kb-brand-ink:#14240A; --kb-brand-soft:rgba(101,143,22,.12);
  --kb-brand-txt:#4D7C0F; --kb-brand-strong:#B4E85A;
  --kb-nav:rgba(248,250,252,.85); --kb-shadow:rgba(20,30,45,.13);
}

html, body{ transition:background .35s ease, color .35s ease; }
body{ background:var(--kb-bg); color:var(--kb-ink); font-family:var(--kb-sans); -webkit-font-smoothing:antialiased; }
.kb-main .container, .container.kb-container{ max-width:var(--kb-max); }
.kb-main *::selection{ background:var(--kb-brand-soft); }

/* ── professional nav ── */
.pnav{ position:sticky; top:0; z-index:60; background:var(--kb-nav); backdrop-filter:saturate(140%) blur(14px); border-bottom:1px solid transparent; transition:border-color .25s, box-shadow .25s; }
.pnav.scrolled{ border-bottom-color:var(--kb-line); box-shadow:0 6px 26px -20px var(--kb-shadow); }
.pnav-in{ width:100%; max-width:1180px; margin:0 auto; padding:0 26px; display:flex; align-items:center; gap:30px; height:66px; }
.pbrand{ display:flex; align-items:center; gap:11px; text-decoration:none; }
.pbrand .pmark{ width:32px; height:32px; flex:none; }
.pword{ display:flex; flex-direction:column; line-height:1; }
.pword b{ font-size:16.5px; font-weight:750; letter-spacing:-.02em; color:var(--kb-ink); }
.pword span{ font-size:9.5px; font-weight:700; letter-spacing:.2em; text-transform:uppercase; color:var(--kb-mute); margin-top:3px; }
.plinks{ display:none; gap:28px; margin-left:6px; font-size:14.5px; font-weight:500; }
.plinks a{ position:relative; color:var(--kb-dim); text-decoration:none; padding:6px 0; transition:color .2s; }
.plinks a.active{ color:var(--kb-ink); } .plinks a.active::after{ content:""; position:absolute; left:0; right:0; bottom:-1px; height:2px; background:var(--kb-brand-txt); border-radius:2px; }
.plinks a:hover{ color:var(--kb-ink); }
.pright{ margin-left:auto; display:flex; align-items:center; gap:15px; }
.pdiv{ width:1px; height:22px; background:var(--kb-line2); }
.psignin{ font-size:14.5px; font-weight:600; color:var(--kb-soft); text-decoration:none; } .psignin:hover{ color:var(--kb-ink); }
.picon{ width:36px; height:36px; display:grid; place-items:center; border:1px solid var(--kb-line2); border-radius:9px; background:transparent; color:var(--kb-dim); cursor:pointer; }
.picon:hover{ color:var(--kb-ink); background:var(--kb-surf2); } .picon svg{ width:17px; height:17px; }
.kb-ic-sun{ display:block; } .kb-ic-moon{ display:none; }
html[data-theme="light"] .kb-ic-sun{ display:none; } html[data-theme="light"] .kb-ic-moon{ display:block; }
.pbtn{ display:inline-flex; align-items:center; padding:10px 18px; font-size:14.5px; font-weight:700; border-radius:10px; background:var(--kb-brand); color:var(--kb-brand-ink); text-decoration:none; transition:background .2s, transform .16s, box-shadow .2s; }
.pbtn:hover{ background:var(--kb-brand-strong); transform:translateY(-1px); box-shadow:0 8px 20px -8px rgba(163,230,53,.45); }
@media (min-width:920px){ .plinks{ display:flex; } }

/* ── reading progress ── */
.kb-progress{ position:fixed; top:0; left:0; right:0; height:3px; z-index:70; background:transparent; }
.kb-progress-bar{ height:100%; width:0; background:linear-gradient(90deg,var(--kb-brand),var(--kb-brand-strong)); box-shadow:0 0 10px var(--kb-brand); transition:width .1s linear; }

/* ── hero + search ── */
.kb-hero{ position:relative; overflow:hidden; padding:76px 0 64px; text-align:center; border-bottom:1px solid var(--kb-line); }
.kb-hero-bg{ position:absolute; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(600px 320px at 50% -10%, var(--kb-brand-soft), transparent 70%),
    linear-gradient(90deg, transparent 0 39px, rgba(163,230,53,.045) 39px 40px),
    linear-gradient(0deg,  transparent 0 39px, rgba(140,170,220,.035) 39px 40px);
  background-size:auto, 40px 40px, 40px 40px;
  -webkit-mask-image:radial-gradient(120% 100% at 50% 0%, #000 0%, transparent 70%); mask-image:radial-gradient(120% 100% at 50% 0%, #000 0%, transparent 70%); }
.kb-hero .container{ position:relative; z-index:1; }
.section-badge{ display:inline-block; font-size:12px; font-weight:700; letter-spacing:.18em; text-transform:uppercase; color:var(--kb-brand-txt); }
.kb-hero-title{ font-size:clamp(34px,5.4vw,54px); font-weight:840; letter-spacing:-.03em; line-height:1.05; margin:16px 0 0; color:var(--kb-ink); }
.kb-hero-accent{ color:var(--kb-brand-txt); }
.kb-hero-sub{ color:var(--kb-dim); font-size:clamp(16px,2vw,18.5px); margin:16px auto 0; max-width:56ch; }
.kb-search-hero{ position:relative; max-width:620px; margin:30px auto 0; display:flex; align-items:center; }
.kb-search-icon{ position:absolute; left:18px; color:var(--kb-mute); }
.kb-search-hero input{ width:100%; padding:16px 18px 16px 50px; font-size:16px; font-family:inherit; color:var(--kb-ink); background:var(--kb-surf); border:1px solid var(--kb-line2); border-radius:14px; outline:none; transition:border-color .2s, box-shadow .2s; box-shadow:0 12px 30px -20px var(--kb-shadow); }
.kb-search-hero input::placeholder{ color:var(--kb-mute); }
.kb-search-hero input:focus{ border-color:var(--kb-brand); box-shadow:0 0 0 4px var(--kb-brand-soft); }
.kb-search-kbd{ position:absolute; right:16px; font-family:var(--kb-mono); font-size:12px; color:var(--kb-mute); background:var(--kb-bg2); border:1px solid var(--kb-line); border-radius:6px; padding:3px 8px; }
.kb-quick-pills{ display:flex; flex-wrap:wrap; gap:10px; justify-content:center; margin-top:22px; }
.kb-pill{ display:inline-flex; align-items:center; gap:8px; font-size:13.5px; font-weight:600; font-family:inherit; color:var(--kb-soft); background:var(--kb-surf); border:1px solid var(--kb-line); border-radius:100px; padding:8px 15px; cursor:pointer; transition:border-color .2s, color .2s, transform .15s; }
.kb-pill:hover{ border-color:var(--kb-brand); color:var(--kb-brand-txt); transform:translateY(-1px); }
.kb-pill-icon{ display:inline-flex; color:var(--kb-brand-txt); } .kb-pill-icon svg{ width:15px; height:15px; }
.kb-hero--compact{ padding:34px 0 30px; }
.kb-hero--compact .kb-search-hero, .kb-hero--compact .kb-quick-pills, .kb-hero--compact .kb-hero-sub{ display:none; }
.kb-hero--compact .kb-hero-title{ font-size:clamp(24px,3vw,30px); }

/* ── section heads ── */
.kb-container{ padding-top:56px; padding-bottom:90px; }
.kb-section-head{ display:flex; align-items:baseline; justify-content:space-between; gap:16px; margin:0 0 22px; }
.kb-featured-wrap, .kb-categories-wrap{ margin-bottom:52px; }
.kb-section-title{ font-size:22px; font-weight:780; letter-spacing:-.02em; color:var(--kb-ink); }
.kb-section-hint{ font-size:13.5px; color:var(--kb-mute); }

/* ── featured / popular ── */
.kb-featured-grid{ display:grid; grid-template-columns:1fr; gap:16px; }
@media (min-width:720px){ .kb-featured-grid{ grid-template-columns:repeat(3,1fr); } }
.kb-featured-card{ position:relative; padding:22px; border-radius:15px; background:var(--kb-surf); border:1px solid var(--kb-line); cursor:pointer; transition:transform .2s, border-color .2s, box-shadow .2s; }
.kb-featured-card:hover{ transform:translateY(-4px); border-color:var(--kb-line2); box-shadow:0 24px 46px -30px var(--kb-shadow); }
.kb-featured-rank{ font-family:var(--kb-mono); font-size:12px; font-weight:700; color:var(--kb-brand-txt); }
.kb-featured-card h3{ font-size:16.5px; font-weight:720; letter-spacing:-.01em; color:var(--kb-ink); margin:10px 0 0; line-height:1.3; }
.kb-featured-meta{ display:flex; gap:7px; align-items:center; margin-top:12px; font-size:13px; color:var(--kb-mute); }

/* ── category cards ── */
.kb-cat-grid{ display:grid; grid-template-columns:1fr; gap:16px; }
@media (min-width:620px){ .kb-cat-grid{ grid-template-columns:1fr 1fr; } }
@media (min-width:940px){ .kb-cat-grid{ grid-template-columns:repeat(3,1fr); } }
.kb-cat-card{ padding:24px; border-radius:16px; background:var(--kb-surf); border:1px solid var(--kb-line); cursor:pointer; transition:transform .2s, border-color .2s, box-shadow .2s; }
.kb-cat-card:hover{ transform:translateY(-4px); border-color:var(--kb-line2); box-shadow:0 26px 50px -30px var(--kb-shadow); }
.kb-cat-icon{ width:46px; height:46px; border-radius:12px; display:grid; place-items:center; background:var(--kb-brand-soft); color:var(--kb-brand-txt); margin-bottom:15px; }
.kb-cat-icon svg{ width:23px; height:23px; }
.kb-cat-card h3{ font-size:17px; font-weight:740; letter-spacing:-.02em; color:var(--kb-ink); }
.kb-cat-card p{ color:var(--kb-dim); font-size:14px; margin:8px 0 14px; line-height:1.55; }
.kb-cat-count{ font-size:12.5px; font-weight:600; color:var(--kb-brand-txt); }

/* ── article list ── */
.kb-articles-list{ display:flex; flex-direction:column; gap:10px; }
.kb-article-card{ display:flex; align-items:center; justify-content:space-between; gap:16px; padding:18px 20px; border-radius:13px; background:var(--kb-surf); border:1px solid var(--kb-line); cursor:pointer; transition:border-color .2s, transform .15s, background .2s; }
.kb-article-card:hover{ border-color:var(--kb-brand); transform:translateX(3px); }
.kb-article-card h4{ font-size:16px; font-weight:640; color:var(--kb-ink); letter-spacing:-.01em; }
.kb-article-card h4 mark{ background:var(--kb-brand-soft); color:var(--kb-brand-txt); padding:0 2px; border-radius:3px; }
.kb-article-card-meta{ display:block; font-size:13px; color:var(--kb-mute); margin-top:4px; }
.kb-article-card-arrow{ color:var(--kb-brand-txt); font-size:19px; flex:none; opacity:0; transform:translateX(-6px); transition:opacity .2s, transform .2s; }
.kb-article-card:hover .kb-article-card-arrow{ opacity:1; transform:none; }
.kb-active-cat{ display:inline-flex; align-items:center; gap:9px; font-size:13.5px; font-weight:600; color:var(--kb-brand-txt); background:var(--kb-brand-soft); border:1px solid rgba(163,230,53,.28); border-radius:100px; padding:6px 8px 6px 14px; margin-bottom:16px; }
.kb-active-cat button{ width:20px; height:20px; border:0; border-radius:50%; background:rgba(163,230,53,.18); color:var(--kb-brand-txt); cursor:pointer; font-size:14px; line-height:1; }
.kb-empty{ text-align:center; padding:60px 20px; color:var(--kb-dim); }
.kb-empty-icon{ font-size:34px; } .kb-empty h3{ color:var(--kb-ink); margin:12px 0 6px; } .kb-empty a{ color:var(--kb-brand-txt); }

/* ── article view ── */
.kb-article-view{ padding-top:40px; padding-bottom:90px; }
.kb-breadcrumb{ display:flex; align-items:center; gap:9px; font-size:13.5px; color:var(--kb-mute); margin-bottom:26px; flex-wrap:wrap; }
.kb-breadcrumb a{ color:var(--kb-dim); text-decoration:none; } .kb-breadcrumb a:hover{ color:var(--kb-ink); }
.kb-breadcrumb-sep{ color:var(--kb-line2); } .kb-breadcrumb-current{ color:var(--kb-soft); font-weight:600; }
.kb-article-layout{ display:grid; grid-template-columns:1fr; gap:44px; align-items:start; }
@media (min-width:940px){ .kb-article-layout{ grid-template-columns:minmax(0,1fr) 240px; gap:56px; } }
.kb-article-title{ font-size:clamp(30px,4.2vw,44px); font-weight:840; letter-spacing:-.03em; line-height:1.1; color:var(--kb-ink); }
.kb-article-info{ display:flex; flex-wrap:wrap; align-items:center; gap:9px; margin:18px 0 30px; padding-bottom:24px; border-bottom:1px solid var(--kb-line); font-size:13.5px; color:var(--kb-mute); }
.kb-dot{ color:var(--kb-line2); }
.kb-article-actions{ display:inline-flex; gap:8px; margin-left:auto; }
.kb-action-btn{ display:inline-flex; align-items:center; gap:6px; font-size:13px; font-weight:600; font-family:inherit; color:var(--kb-dim); background:var(--kb-surf); border:1px solid var(--kb-line); border-radius:9px; padding:7px 11px; cursor:pointer; transition:color .2s, border-color .2s; }
.kb-action-btn:hover{ color:var(--kb-brand-txt); border-color:var(--kb-brand); }

/* article body typography */
.kb-article-body{ font-size:17px; line-height:1.72; color:var(--kb-soft); }
.kb-article-body h2{ font-size:26px; font-weight:780; letter-spacing:-.02em; color:var(--kb-ink); margin:46px 0 14px; scroll-margin-top:84px; }
.kb-article-body h3{ font-size:20px; font-weight:720; letter-spacing:-.01em; color:var(--kb-ink); margin:34px 0 12px; scroll-margin-top:84px; }
.kb-article-body p{ margin:0 0 18px; }
.kb-article-body a{ color:var(--kb-brand-txt); text-decoration:underline; text-underline-offset:2px; text-decoration-color:rgba(163,230,53,.4); }
.kb-article-body strong{ color:var(--kb-ink); font-weight:680; }
.kb-article-body ul, .kb-article-body ol{ margin:0 0 20px; padding-left:24px; }
.kb-article-body li{ margin:8px 0; }
.kb-article-body li::marker{ color:var(--kb-brand-txt); }
.kb-article-body code{ font-family:var(--kb-mono); font-size:.9em; background:var(--kb-bg2); border:1px solid var(--kb-line); border-radius:6px; padding:2px 6px; color:var(--kb-ink); }
.kb-article-body pre{ background:var(--kb-bg2); border:1px solid var(--kb-line); border-radius:12px; padding:16px 18px; overflow-x:auto; margin:0 0 22px; }
.kb-article-body pre code{ background:none; border:0; padding:0; font-size:13.5px; color:var(--kb-soft); }
.kb-article-body blockquote{ border-left:3px solid var(--kb-brand); background:var(--kb-brand-soft); border-radius:0 10px 10px 0; padding:12px 18px; margin:0 0 22px; color:var(--kb-ink); }
.kb-article-body img{ max-width:100%; border-radius:12px; border:1px solid var(--kb-line); }
.kb-article-body table{ width:100%; border-collapse:collapse; margin:0 0 22px; font-size:15px; }
.kb-article-body th, .kb-article-body td{ text-align:left; padding:10px 12px; border-bottom:1px solid var(--kb-line); }
.kb-article-body th{ color:var(--kb-mute); font-size:12px; letter-spacing:.05em; text-transform:uppercase; font-weight:700; }
.kb-article-body hr{ border:0; border-top:1px solid var(--kb-line); margin:34px 0; }

/* Blocks the KB Studio emits. Without these the callouts and code blocks an
   author inserted render as bare paragraphs on the published page — the studio
   preview looked right and the live article did not. */
.kb-article-body .kb-callout{
  position:relative; margin:0 0 22px; padding:15px 18px 15px 48px; border-radius:11px;
  border:1px solid var(--kb-line2); background:var(--kb-surf); color:var(--kb-soft);
}
.kb-article-body .kb-callout::before{ position:absolute; left:17px; top:14px; font-size:16px; line-height:1.3; }
.kb-article-body .kb-callout[data-tone="info"]{ border-color:rgba(56,189,248,.3); background:rgba(56,189,248,.07); }
.kb-article-body .kb-callout[data-tone="info"]::before{ content:"ℹ"; color:#38bdf8; }
.kb-article-body .kb-callout[data-tone="tip"]{ border-color:rgba(163,230,53,.3); background:var(--kb-brand-soft); }
.kb-article-body .kb-callout[data-tone="tip"]::before{ content:"✦"; color:var(--kb-brand-txt); }
.kb-article-body .kb-callout[data-tone="warn"]{ border-color:rgba(251,191,36,.32); background:rgba(251,191,36,.07); }
.kb-article-body .kb-callout[data-tone="warn"]::before{ content:"⚠"; color:#fbbf24; }
.kb-article-body .kb-callout[data-tone="danger"]{ border-color:rgba(248,113,113,.32); background:rgba(248,113,113,.07); }
.kb-article-body .kb-callout[data-tone="danger"]::before{ content:"✖"; color:#f87171; }

/* Quill 2 writes code blocks as nested divs, not <pre><code>. */
.kb-article-body .ql-code-block-container{
  background:var(--kb-bg2); border:1px solid var(--kb-line); border-radius:12px;
  padding:16px 18px; margin:0 0 22px; overflow-x:auto;
  font-family:var(--kb-mono); font-size:13.5px; line-height:1.65; color:var(--kb-soft); white-space:pre-wrap;
}
.kb-article-body .ql-code-block{ font-family:inherit; }

.kb-article-body .kb-tbl{ overflow-x:auto; margin:0 0 22px; }
.kb-article-body table.kb-table{ margin:0; }
.kb-article-body table.kb-table th, .kb-article-body table.kb-table td{ border:1px solid var(--kb-line2); padding:9px 13px; }
.kb-article-body table.kb-table th{ background:var(--kb-surf2); color:var(--kb-ink); text-transform:none; font-size:14px; letter-spacing:0; }

/* TOC */
.kb-toc-wrap{ display:none; }
@media (min-width:940px){ .kb-toc-wrap{ display:block; } }
.kb-toc{ position:sticky; top:88px; }
.kb-toc-label{ font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--kb-mute); font-weight:700; margin-bottom:12px; }
.kb-toc-list{ list-style:none; margin:0; padding:0; border-left:1px solid var(--kb-line); }
.kb-toc-list li{ margin:0; }
.kb-toc-list a{ display:block; padding:6px 0 6px 16px; margin-left:-1px; border-left:2px solid transparent; color:var(--kb-dim); font-size:13.5px; text-decoration:none; transition:color .2s, border-color .2s; }
.kb-toc-list a:hover{ color:var(--kb-ink); }
.kb-toc-list a.active{ color:var(--kb-brand-txt); border-left-color:var(--kb-brand); font-weight:600; }
.kb-toc-h3 a{ padding-left:28px; font-size:13px; }

/* prev/next */
.kb-prevnext{ display:grid; grid-template-columns:1fr; gap:14px; margin:44px 0 0; }
@media (min-width:640px){ .kb-prevnext{ grid-template-columns:1fr 1fr; } }
.kb-prevnext a{ padding:18px 20px; border-radius:13px; background:var(--kb-surf); border:1px solid var(--kb-line); text-decoration:none; transition:border-color .2s, transform .15s; }
.kb-prevnext a:hover{ border-color:var(--kb-brand); transform:translateY(-2px); }
.kb-prevnext .dir{ font-size:12px; color:var(--kb-mute); font-weight:600; }
.kb-prevnext .t{ display:block; color:var(--kb-ink); font-weight:640; font-size:15px; margin-top:4px; }
.kb-prevnext .next{ text-align:right; }

/* feedback */
.kb-feedback{ margin:44px 0 0; padding:24px; border-radius:14px; background:var(--kb-surf); border:1px solid var(--kb-line); text-align:center; }
.kb-feedback h4, .kb-feedback strong{ color:var(--kb-ink); }
.kb-feedback button{ font-family:inherit; cursor:pointer; border:1px solid var(--kb-line2); background:transparent; color:var(--kb-soft); border-radius:10px; padding:9px 18px; font-weight:600; transition:border-color .2s, color .2s; margin:0 4px; }
.kb-feedback button:hover{ border-color:var(--kb-brand); color:var(--kb-brand-txt); }

/* related */
.kb-related{ margin:52px 0 0; }
.kb-related h3, .kb-related h2{ font-size:20px; font-weight:760; color:var(--kb-ink); margin-bottom:16px; }

/* still-need-help CTA */
.kb-cta-card{ margin:52px 0 0; padding:30px; border-radius:18px; display:flex; flex-wrap:wrap; gap:20px; align-items:center; justify-content:space-between;
  background:radial-gradient(120% 140% at 100% 0%, var(--kb-brand-soft), transparent 55%), var(--kb-surf); border:1px solid var(--kb-line2); }
.kb-cta-text h3{ font-size:20px; font-weight:760; color:var(--kb-ink); }
.kb-cta-text p{ color:var(--kb-dim); font-size:15px; margin:6px 0 0; max-width:52ch; }
.kb-cta-actions{ display:flex; gap:12px; flex-wrap:wrap; }
.kb-cta-card .btn-primary{ display:inline-flex; align-items:center; gap:8px; background:var(--kb-brand); color:var(--kb-brand-ink); border:0; border-radius:11px; padding:12px 20px; font-weight:700; font-size:14.5px; font-family:inherit; cursor:pointer; text-decoration:none; }
.kb-cta-card .btn-primary:hover{ background:var(--kb-brand-strong); }
.kb-cta-card .btn-outline{ display:inline-flex; align-items:center; border:1px solid var(--kb-line2); color:var(--kb-ink); border-radius:11px; padding:12px 20px; font-weight:700; font-size:14.5px; text-decoration:none; }
.kb-cta-card .btn-outline:hover{ border-color:var(--kb-brand); color:var(--kb-brand-txt); }

/* footer */
.footer{ border-top:1px solid var(--kb-line); background:var(--kb-bg); }
.footer p{ color:var(--kb-mute); }

@media print{ .pnav, .kb-progress, .kb-toc-wrap, .kb-prevnext, .kb-feedback, .kb-related, .kb-cta-card, .kb-article-actions, .footer{ display:none !important; } }

/* Category and article cards are divs acting as buttons (see the delegated
   handler in kb.js). They carry tabindex, so keyboard focus has to be visible. */
.kb-cat-card:focus-visible,
.kb-article-card:focus-visible,
.kb-featured-card:focus-visible,
.kb-pill:focus-visible{
  outline:2px solid var(--kb-brand);
  outline-offset:2px;
}