/* Unvault Help Center — theme tokens mirror the Unvault app (Quantico, purple primary, orange logo) */
:root {
  --bg: #f7f7fb; --bg-2: #f0f0f8; --card: #ffffff; --card-hover: #f0f0f8; --border: #e0e0ee; --border-2: #d6d6e6;
  --text: #1a1a2e; --text-dim: #3f3f62; --muted: #606085;
  --primary: #7c6ef0; --primary-fg: #ffffff; --primary-soft: rgba(124, 110, 240, .12); --primary-ring: rgba(124, 110, 240, .45);
  --orange: #ff6b06; --blue: #2563eb; --green: #059669; --pink: #d63384; --red: #dc2626;
  --glass: rgba(240, 240, 248, .72); --shadow: 0 12px 32px -18px rgba(9, 10, 16, .35);
  --radius: 10px; --radius-lg: 14px; --pill: 12px;
  --font: "Quantico", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "SF Mono", "Fira Code", "Roboto Mono", ui-monospace, monospace;
  color-scheme: light;
}
html.dark {
  --bg: #0e0e1a; --bg-2: #14142a; --card: #16162a; --card-hover: #1a1a32; --border: #2a2a44; --border-2: #343456;
  --text: #e2e2f0; --text-dim: #a3a3c4; --muted: #8c8cb0;
  --primary: #7c6ef0; --primary-soft: rgba(124, 110, 240, .2); --primary-ring: rgba(124, 110, 240, .55);
  --blue: #3b82f6; --green: #10b981; --pink: #e84393; --red: #f87171;
  --glass: rgba(14, 14, 26, .78); --shadow: 0 16px 40px -20px rgba(0, 0, 0, .8);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.6; color: var(--text); background: var(--bg); }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
img { max-width: 100%; }
h1, h2, h3, h4 { font-weight: 700; letter-spacing: -.025em; line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(1.7rem, 3vw, 2.3rem); }
h2 { font-size: 1.35rem; margin-top: 2rem; }
h3 { font-size: 1.1rem; margin-top: 1.6rem; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }
.lead { font-size: 1.08rem; color: var(--text-dim); max-width: 64ch; }
.meta { color: var(--muted); font-size: .85rem; margin: -.3rem 0 1.2rem; }
.container { width: min(1200px, 100% - 32px); margin: 0 auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--primary); color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }

/* header */
.header { position: sticky; top: 0; z-index: 50; background: var(--glass); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; gap: 16px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.brand:hover { text-decoration: none; }
.logo { display: block; width: 30px; height: 30px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.wordmark { font-weight: 700; font-size: 1.05rem; letter-spacing: -.02em; color: var(--text); }
.brand-sub { font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.brand-foot { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.header-search { flex: 1; max-width: 440px; margin-left: auto; }
.header-actions { display: flex; align-items: center; gap: 8px; }
.theme-btn, .menu-btn { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border: 1px solid var(--border); border-radius: var(--pill); background: var(--card); color: var(--text-dim); cursor: pointer; padding: 0; }
.theme-btn:hover, .menu-btn:hover { background: var(--card-hover); color: var(--text); }
.theme-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.theme-btn .i-moon { display: none; }
html.dark .theme-btn .i-moon { display: block; }
html.dark .theme-btn .i-sun { display: none; }
.menu-btn { display: none; flex-direction: column; gap: 4px; }
.menu-btn span { display: block; width: 16px; height: 2px; background: currentColor; border-radius: 2px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { padding: 7px 12px; border-radius: var(--pill); font-size: .86rem; font-weight: 700; color: var(--text-dim); border: 1px solid transparent; }
.nav a:hover { background: var(--card); border-color: var(--border); color: var(--text); text-decoration: none; }
.nav a.cta { color: #fff; background: linear-gradient(135deg, #7c6ef0, #f97316); border: 0; }
.nav a.cta:hover { filter: brightness(1.06); }

/* search */
.search { position: relative; }
.search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; fill: none; stroke: var(--muted); stroke-width: 2; stroke-linecap: round; }
.search input { width: 100%; height: 40px; padding: 0 12px 0 36px; border: 1px solid var(--border); border-radius: var(--pill); background: var(--card); color: var(--text); font: inherit; font-size: .92rem; }
.search input::placeholder { color: var(--muted); }
.search input:focus { outline: 2px solid var(--primary-ring); outline-offset: 0; border-color: var(--primary); }
.search-lg input { height: 52px; font-size: 1.02rem; padding-left: 44px; border-radius: var(--radius-lg); }
.search-lg .search-icon { left: 16px; width: 18px; height: 18px; }
.search-results { position: absolute; left: 0; right: 0; top: calc(100% + 6px); background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow); overflow: hidden; z-index: 40; text-align: left; }
.search-results a { display: block; padding: 10px 14px; border-top: 1px solid var(--border); }
.search-results a:first-child { border-top: 0; }
.search-results a:hover, .search-results a.active { background: var(--card-hover); text-decoration: none; }
.r-title { display: block; font-weight: 700; font-size: .94rem; }
.r-meta { display: block; color: var(--muted); font-size: .78rem; }
.r-empty { padding: 12px 14px; color: var(--muted); font-size: .9rem; }
.r-empty a { color: var(--primary); text-decoration: underline; }

/* layout */
main { padding: 28px 0 64px; }
.content { max-width: 800px; }
.content-wide { max-width: none; }
.with-toc { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 40px; align-items: start; }
.crumbs { display: flex; flex-wrap: wrap; gap: 6px; font-size: .8rem; color: var(--muted); margin-bottom: 14px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--text); }
.crumbs .sep { color: var(--border-2); }

/* hero + cards */
.hero { text-align: center; padding: 30px 0 18px; }
.hero h1 { font-size: clamp(2rem, 4.5vw, 3rem); margin-bottom: .3em; }
.hero-sub { color: var(--text-dim); max-width: 60ch; margin: 0 auto 22px; font-size: 1.05rem; }
.hero .search { max-width: 640px; margin: 0 auto; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; margin: 30px 0; }
.card { display: flex; gap: 14px; padding: 16px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); transition: transform .12s, border-color .12s, background .12s; }
.card:hover { text-decoration: none; transform: translateY(-2px); border-color: var(--primary); background: var(--card-hover); }
.mono { flex: none; width: 44px; height: 44px; display: grid; place-items: center; border-radius: var(--radius); background: var(--primary-soft); color: var(--primary); font-weight: 700; font-size: .85rem; letter-spacing: .04em; }
.card-body { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.card-title { font-weight: 700; }
.card-desc { color: var(--muted); font-size: .9rem; line-height: 1.45; }
.card-count { color: var(--primary); font-size: .78rem; font-weight: 700; margin-top: 4px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin: 10px 0 30px; }
.two-col h2 { margin-top: .5rem; }
.article-list { display: flex; flex-direction: column; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; background: var(--card); }
.article-row { display: flex; align-items: center; gap: 12px; padding: 13px 16px; border-top: 1px solid var(--border); font-weight: 700; font-size: .95rem; }
.article-row:first-child { border-top: 0; }
.article-row:hover { background: var(--card-hover); text-decoration: none; }
.article-row svg { width: 16px; height: 16px; margin-left: auto; fill: none; stroke: var(--muted); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.article-row-title { min-width: 0; }
.article-row.disabled { color: var(--muted); cursor: default; }
.pill { font-size: .66rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; padding: 2px 8px; border-radius: 999px; background: var(--primary-soft); color: var(--primary); }
.contact-strip { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 28px; background: linear-gradient(135deg, rgba(124, 110, 240, .14), rgba(249, 115, 22, .12)); border: 1px solid var(--border); border-radius: var(--radius-lg); margin: 30px 0 10px; }
.contact-strip h2 { margin: 0 0 .3em; }
.contact-strip p { margin: 0; color: var(--text-dim); max-width: 60ch; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; padding: 10px 16px; border-radius: var(--pill); border: 1px solid var(--border); background: var(--card); font-weight: 700; font-size: .9rem; white-space: nowrap; }
.btn:hover { background: var(--card-hover); text-decoration: none; border-color: var(--border-2); }
.btn.primary { background: var(--primary); color: var(--primary-fg); border-color: var(--primary); }
.btn.primary:hover { filter: brightness(1.06); }

/* prose */
.prose { font-size: 1rem; }
.prose > :first-child { margin-top: 0; }
.prose a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.prose h2 .anchor, .prose h3 .anchor { opacity: 0; margin-left: 8px; color: var(--muted); font-weight: 400; text-decoration: none; }
.prose h2:hover .anchor, .prose h3:hover .anchor { opacity: 1; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li { margin: .3em 0; }
.prose li p { margin: 0; }
.prose code { font-family: var(--mono); font-size: .86em; background: var(--bg-2); border: 1px solid var(--border); padding: .08em .35em; border-radius: 6px; }
.prose pre { background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; overflow-x: auto; }
.prose pre code { border: 0; background: none; padding: 0; }
.prose blockquote { margin: 1em 0; padding: .5em 1em; border-left: 3px solid var(--primary); color: var(--text-dim); background: var(--bg-2); border-radius: 0 var(--radius) var(--radius) 0; }
.prose strong { font-weight: 700; }
.prose hr { border: 0; border-top: 1px solid var(--border); margin: 2em 0; }
.table-wrap { overflow-x: auto; margin: 1em 0; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); }
table { border-collapse: collapse; width: 100%; font-size: .92rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: var(--bg-2); font-weight: 700; }
tr:last-child td { border-bottom: 0; }
.callout { margin: 1.4em 0; padding: 14px 16px; border: 1px solid var(--border); border-left: 3px solid var(--primary); border-radius: var(--radius); background: var(--card); font-size: .95rem; }
.callout a { color: var(--primary); text-decoration: underline; }
.banner { margin: 0 0 18px; padding: 12px 14px; border-radius: var(--radius); background: var(--primary-soft); border: 1px solid var(--primary-ring); font-size: .92rem; }
.policy .prose h2 { margin-top: 2.4rem; padding-top: 1.4rem; border-top: 1px solid var(--border); font-size: 1.05rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.policy .prose h3 { font-size: 1.15rem; margin-top: 1.8rem; }
.policy .prose p, .policy .prose li { color: var(--text); }
.policy .prose > p:first-child { color: var(--muted); font-size: .9rem; }
.checklist li { margin: .5em 0; }
.policy-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; margin: 20px 0; }
.pcard { display: flex; flex-direction: column; gap: 6px; padding: 18px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.pcard:hover { text-decoration: none; border-color: var(--primary); background: var(--card-hover); }
.pcard.disabled { opacity: .6; }
.pcard-title { font-weight: 700; }
.pcard-sum { color: var(--muted); font-size: .9rem; line-height: 1.45; }
.related { margin-top: 40px; }
.feedback { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin: 34px 0 0; padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--card); font-size: .92rem; }
.feedback-btns { display: flex; gap: 8px; }
.feedback button { font: inherit; font-weight: 700; font-size: .85rem; padding: 6px 12px; border-radius: var(--pill); border: 1px solid var(--border); background: var(--bg-2); color: var(--text-dim); cursor: pointer; }
.feedback button:hover, .feedback button.chosen { background: var(--primary); color: #fff; border-color: var(--primary); }
.feedback-thanks { color: var(--green); font-weight: 700; }

/* toc */
.toc { position: sticky; top: 86px; font-size: .84rem; max-height: calc(100vh - 110px); overflow: auto; }
.toc-title { font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 700; margin-bottom: 8px; }
.toc ol { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--border); }
.toc li.sub a { padding-left: 22px; font-size: .8rem; }
.toc a { display: block; padding: 4px 12px; color: var(--muted); border-left: 2px solid transparent; margin-left: -1px; }
.toc a:hover { color: var(--text); text-decoration: none; }
.toc a.active { color: var(--primary); border-left-color: var(--primary); }

/* footer */
.footer { border-top: 1px solid var(--border); background: var(--bg-2); margin-top: 20px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 28px; padding: 36px 0 20px; font-size: .9rem; }
.footer h4 { margin: 0 0 10px; font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.footer-grid a { display: block; padding: 3px 0; color: var(--text-dim); }
.footer-grid a:hover { color: var(--text); }
.footer-grid p { margin: 0 0 8px; font-size: .85rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 14px 0 28px; border-top: 1px solid var(--border); font-size: .8rem; color: var(--text-dim); }

/* responsive */
@media (max-width: 900px) {
  .with-toc { grid-template-columns: 1fr; }
  .toc { display: none; }
  .two-col { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-strip { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 760px) {
  .header-inner { gap: 10px; }
  .header-search { display: none; }
  .menu-btn { display: inline-flex; }
  .nav { display: none; position: absolute; top: 62px; left: 0; right: 0; flex-direction: column; align-items: stretch; background: var(--bg); border-bottom: 1px solid var(--border); padding: 10px 16px 14px; gap: 6px; }
  .nav.open { display: flex; }
  .nav a { padding: 10px 12px; }
  .brand-sub { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .container { width: min(1200px, 100% - 32px); }
}