/* WorkHub Help Center. Same palette as platform.workhubsuite.com. */
:root {
  --primary: #137fec;
  --primary-strong: #0b6bd0;
  --primary-deep: #0a58ab;
  --primary-tint: #e8f2fe;
  --primary-tint-2: #f3f8ff;
  --ink: #0f172a;
  --ink-2: #334155;
  --muted: #5b6678;
  --line: #e3e8ef;
  --line-strong: #cfd7e3;
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --card: #ffffff;
  --code-bg: #f1f4f8;
  --warn: #9a5b00;
  --warn-tint: #fff5e0;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px rgba(15, 23, 42, .06);
  --shadow-lg: 0 2px 6px rgba(15, 23, 42, .05), 0 24px 60px rgba(15, 23, 42, .14);
  --font: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --header-h: 68px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --primary-strong: #5aa9f5;
    --primary-deep: #8cc3fa;
    --primary-tint: #13253a;
    --primary-tint-2: #101c2b;
    --ink: #e8edf3;
    --ink-2: #c3ccd7;
    --muted: #9aa7b5;
    --line: #252d38;
    --line-strong: #334050;
    --bg: #0b1017;
    --bg-soft: #0f151d;
    --card: #141a22;
    --code-bg: #1b232e;
    --warn: #f3c46b;
    --warn-tint: #2a2112;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
    --shadow-lg: 0 2px 6px rgba(0, 0, 0, .3), 0 24px 60px rgba(0, 0, 0, .45);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 12px); }
body { margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.6; color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: var(--primary-strong); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--primary-deep); }
h1, h2, h3 { margin: 0; line-height: 1.2; letter-spacing: -0.02em; color: var(--ink); }
p { margin: 0; }
main { display: block; min-height: 60vh; }
main:focus { outline: none; }
:focus-visible { outline: 3px solid rgba(19, 127, 236, .55); outline-offset: 2px; border-radius: 4px; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 12px; top: -48px; z-index: 100; background: var(--ink); color: var(--bg); padding: 10px 14px; border-radius: 8px; text-decoration: none; font-weight: 600; }
.skip-link:focus { top: 12px; }
.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 768px) { .container { padding: 0 32px; } }
.icon { width: 18px; height: 18px; flex: none; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: inherit; font-weight: 600; border-radius: 10px; border: 1px solid transparent; padding: 10px 18px; text-decoration: none; cursor: pointer; white-space: nowrap; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: #0b6bd0; color: #fff; }
.btn-sm { padding: 7px 14px; font-size: 14px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: saturate(180%) blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 16px; min-height: var(--header-h); }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); flex: none; }
.logo-mark { width: 30px; height: 30px; }
.logo-word { font-weight: 800; font-size: 20px; letter-spacing: -0.03em; }
.logo-word span { color: var(--primary); }
.logo-tag { font-size: 14px; font-weight: 600; color: var(--muted); padding-left: 10px; border-left: 1px solid var(--line-strong); }
.header-search { position: relative; flex: 1; max-width: 440px; margin-left: auto; display: flex; align-items: center; }
.header-search > .icon { position: absolute; left: 12px; color: var(--muted); pointer-events: none; }
.header-search input { width: 100%; font: inherit; font-size: 15px; padding: 9px 12px 9px 38px; border-radius: 10px; border: 1px solid var(--line-strong); background: var(--bg-soft); color: var(--ink); }
.header-search input:focus { outline: none; border-color: var(--primary); background: var(--card); box-shadow: 0 0 0 3px rgba(19, 127, 236, .18); }
.header-nav { display: flex; align-items: center; gap: 16px; flex: none; }
.header-nav > a:not(.btn) { color: var(--ink-2); text-decoration: none; font-weight: 500; font-size: 15px; }
.header-nav > a:not(.btn):hover { color: var(--primary-strong); }
@media (max-width: 760px) {
  .header-inner { flex-wrap: wrap; gap: 10px 12px; padding: 10px 0; }
  .logo-tag { display: none; }
  .header-search { order: 3; flex-basis: 100%; max-width: none; }
}
body.is-home .header-search { visibility: hidden; }
@media (max-width: 760px) { body.is-home .header-search { display: none; } }

/* Search results popup */
.search-pop { position: absolute; top: calc(100% + 6px); left: 0; right: 0; z-index: 60; background: var(--card); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-lg); padding: 6px; max-height: min(70vh, 480px); overflow-y: auto; text-align: left; }
.search-pop a { display: block; padding: 10px 12px; border-radius: 8px; text-decoration: none; color: var(--ink); }
.search-pop a:hover, .search-pop a.is-active { background: var(--primary-tint); }
.search-pop strong { display: block; font-weight: 600; font-size: 15px; line-height: 1.35; }
.search-pop small { display: block; color: var(--muted); font-size: 13px; margin-top: 2px; }
.search-pop .empty { padding: 12px; color: var(--muted); font-size: 14px; }
.search-pop .all { color: var(--primary-strong); font-weight: 600; font-size: 14px; }
mark { background: color-mix(in srgb, var(--primary) 22%, transparent); color: inherit; border-radius: 3px; padding: 0 1px; }

/* Hero */
.hero { background: linear-gradient(180deg, var(--primary-tint-2), var(--bg)); border-bottom: 1px solid var(--line); padding: 64px 0 56px; text-align: center; }
.hero h1 { font-size: clamp(32px, 6vw, 48px); font-weight: 800; letter-spacing: -0.035em; }
.hero > .container > p { color: var(--muted); font-size: 18px; margin-top: 10px; }
.hero-search { position: relative; display: flex; align-items: center; gap: 8px; max-width: 640px; margin: 28px auto 0; background: var(--card); border: 1px solid var(--line-strong); border-radius: 14px; padding: 6px 6px 6px 44px; box-shadow: var(--shadow); }
.hero-search > .icon { position: absolute; left: 16px; width: 20px; height: 20px; color: var(--muted); }
.hero-search input { flex: 1; min-width: 0; font: inherit; font-size: 17px; border: 0; background: transparent; color: var(--ink); padding: 10px 0; }
.hero-search input:focus { outline: none; }
.hero-search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(19, 127, 236, .16), var(--shadow); }
.hero-tags { margin-top: 22px; display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); }
@media (max-width: 560px) { .hero { padding: 40px 0 36px; } .hero-search .btn { display: none; } .hero-search { padding-right: 12px; } }

/* Chips */
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 0; padding: 0; }
.chip { display: inline-block; font-size: 13px; font-weight: 500; padding: 4px 11px; border-radius: 999px; background: var(--primary-tint); color: var(--primary-strong); text-decoration: none; line-height: 1.5; }
.chip:hover { background: var(--primary); color: #fff; }
.chip-light { background: var(--card); border: 1px solid var(--line); color: var(--ink-2); }

/* Pages */
.page { padding-top: 28px; padding-bottom: 72px; }
.sec-h { font-size: 22px; font-weight: 700; margin: 44px 0 16px; }
.page-head { display: flex; align-items: flex-start; gap: 16px; margin: 20px 0 8px; }
.page-head h1 { font-size: clamp(26px, 4vw, 34px); font-weight: 800; }
.page-head p { color: var(--muted); margin-top: 6px; font-size: 17px; }
.page-icon { display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; background: var(--primary-tint); color: var(--primary-strong); flex: none; }
.page-icon .icon { width: 24px; height: 24px; }
.more { margin-top: 20px; }
.more a { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; text-decoration: none; }

.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 4px; margin: 0; padding: 0; font-size: 14px; color: var(--muted); }
.crumbs li + li::before { content: "/"; margin: 0 6px 0 2px; color: var(--line-strong); }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--primary-strong); text-decoration: underline; }

.cat-grid { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.cat-card { display: flex; flex-direction: column; gap: 8px; height: 100%; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); text-decoration: none; color: var(--ink); box-shadow: var(--shadow-sm); transition: border-color .15s, box-shadow .15s, transform .15s; }
.cat-card:hover { border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-2px); color: var(--ink); }
.cat-name { font-weight: 700; font-size: 18px; margin-top: 6px; }
.cat-desc { color: var(--muted); font-size: 15px; flex: 1; }
.cat-count { display: inline-flex; align-items: center; gap: 6px; color: var(--primary-strong); font-weight: 600; font-size: 14px; }
.cat-count .icon { width: 16px; height: 16px; }

.alist { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); overflow: hidden; }
.alist li + li { border-top: 1px solid var(--line); }
.alist a { display: grid; gap: 2px; padding: 15px 20px; text-decoration: none; color: var(--ink); }
.alist li:nth-child(even) a { background: var(--bg-soft); }
.alist a:hover { background: var(--primary-tint); }
.alist-title { font-weight: 600; }
.alist a:hover .alist-title { color: var(--primary-strong); }
.alist-desc { color: var(--muted); font-size: 14px; }
.alist-cat { font-size: 12px; font-weight: 600; color: var(--primary-strong); text-transform: uppercase; letter-spacing: .04em; margin-top: 4px; }

.tag-grid { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.tag-card { display: flex; flex-direction: column; gap: 2px; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--card); text-decoration: none; color: var(--ink); }
.tag-card:hover { border-color: var(--primary); background: var(--primary-tint-2); }
.tag-card span { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.tag-card .icon { width: 15px; height: 15px; color: var(--primary-strong); }
.tag-card small { color: var(--muted); padding-left: 23px; }

/* Article */
.article-wrap { display: grid; gap: 48px; grid-template-columns: minmax(0, 1fr) 300px; padding-top: 28px; padding-bottom: 72px; align-items: start; }
@media (max-width: 960px) { .article-wrap { grid-template-columns: minmax(0, 1fr); gap: 32px; } }
.article { max-width: 760px; }
.article h1 { font-size: clamp(28px, 4.4vw, 38px); font-weight: 800; letter-spacing: -0.03em; margin-top: 18px; }
.note { margin-top: 20px; padding: 12px 16px; border-radius: var(--radius-sm); background: var(--warn-tint); color: var(--warn); font-size: 15px; }
.prose { margin-top: 28px; font-size: 17px; line-height: 1.7; color: var(--ink-2); }
.prose > p:first-child { font-size: 19px; color: var(--ink); }
.prose p, .prose ul, .prose ol, .prose pre, .prose blockquote, .prose table { margin: 0 0 18px; }
.prose h2 { font-size: 22px; font-weight: 700; margin: 36px 0 14px; padding-top: 4px; }
.prose h3 { font-size: 18px; font-weight: 700; margin: 26px 0 10px; }
.prose ul, .prose ol { padding-left: 24px; }
.prose li { margin: 6px 0; padding-left: 4px; }
.prose ol { counter-reset: step; list-style: none; padding-left: 0; }
.prose ol > li { counter-increment: step; position: relative; padding-left: 42px; margin: 12px 0; }
.prose ol > li::before { content: counter(step); position: absolute; left: 0; top: 1px; width: 28px; height: 28px; border-radius: 50%; background: var(--primary-tint); color: var(--primary-strong); font-weight: 700; font-size: 14px; display: grid; place-items: center; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .88em; background: var(--code-bg); padding: 2px 6px; border-radius: 6px; }
.prose pre { background: var(--code-bg); padding: 14px 16px; border-radius: var(--radius-sm); overflow-x: auto; }
.prose pre code { background: none; padding: 0; }
.prose blockquote { border-left: 3px solid var(--primary); padding: 4px 0 4px 16px; color: var(--muted); }
.prose table { width: 100%; border-collapse: collapse; font-size: 15px; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
.prose th { background: var(--bg-soft); color: var(--ink); }
.updated { color: var(--muted); font-size: 14px; margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); }
.related { margin-top: 36px; }
.related h2 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.related ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.related a { display: flex; align-items: flex-start; gap: 10px; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--card); text-decoration: none; color: var(--ink); font-weight: 500; }
.related a:hover { border-color: var(--primary); color: var(--primary-strong); }
.related .icon { margin-top: 3px; width: 16px; height: 16px; color: var(--primary-strong); }

.side { position: sticky; top: calc(var(--header-h) + 20px); }
@media (max-width: 960px) { .side { position: static; } }
.side-box { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); padding: 6px 0; }
.side-box summary { font-weight: 700; font-size: 15px; padding: 10px 18px; cursor: pointer; list-style: none; }
.side-box summary::-webkit-details-marker { display: none; }
.side-box ul { list-style: none; margin: 0; padding: 0 8px 8px; max-height: calc(100vh - 200px); overflow-y: auto; }
@media (max-width: 960px) { .side-box ul { max-height: none; } }
.side-box a { display: block; padding: 7px 10px; border-radius: 8px; font-size: 14px; line-height: 1.4; color: var(--ink-2); text-decoration: none; }
.side-box a:hover { background: var(--bg-soft); color: var(--primary-strong); }
.side-box a[aria-current] { background: var(--primary-tint); color: var(--primary-strong); font-weight: 600; }

/* Search page */
.page-search { margin: 24px 0 28px; max-width: 760px; }
[data-search-results] .alist { max-width: 760px; }
.notfound { text-align: center; padding-top: 72px; }
.notfound h1 { font-size: 34px; font-weight: 800; }
.notfound p { color: var(--muted); margin-top: 12px; font-size: 17px; }
.notfound .page-search { margin: 28px auto 0; }

/* Footer */
.site-footer { background: #0b1017; color: #c3ccd7; padding: 56px 0 28px; }
.footer-inner { display: grid; gap: 40px; grid-template-columns: 1.2fr 2fr; }
@media (max-width: 760px) { .footer-inner { grid-template-columns: 1fr; } }
.footer-brand p { margin-top: 14px; color: #9aa7b5; max-width: 340px; font-size: 15px; }
.logo-footer { color: #fff; }
.footer-nav { display: grid; gap: 28px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.footer-nav h2 { color: #fff; font-size: 14px; font-weight: 700; margin-bottom: 12px; }
.footer-nav ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer-nav a { color: #9aa7b5; text-decoration: none; font-size: 15px; }
.footer-nav a:hover { color: #fff; }
.footer-legal { margin-top: 40px; padding-top: 22px; border-top: 1px solid #252d38; font-size: 14px; color: #9aa7b5; }