/* Task 673: public help site. The --app-* tokens mirror src/assets/main.css so
   fragments that use var(--app-...) (status dots, hints) render as in the app. */
:root {
  --app-bg: #ffffff; --app-bg-subtle: #f7f8fa; --app-border: #e5e7eb;
  --app-text: #0f172a; --app-text-secondary: #475569; --app-text-muted: #64748b; --app-text-faint: #94a3b8;
  --app-primary: #eb5f29; --app-success: #16a34a; --app-danger: #dc2626; --app-warning: #d97706; --app-info: #2563eb;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --app-bg: #161922; --app-bg-subtle: #1f232e; --app-border: #2a2f3b;
    --app-text: #f0f1f4; --app-text-secondary: #c2c8d2; --app-text-muted: #8a90a0; --app-text-faint: #5d6478;
    --app-primary: #f47640; --app-success: #34d399; --app-danger: #f87171; --app-warning: #fbbf24; --app-info: #60a5fa;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--app-bg); color: var(--app-text-secondary); font: 16px/1.6 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; }
a { color: var(--app-primary); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--app-primary); outline-offset: 2px; }
.hs-visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.hs-header { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; padding: 0 24px; min-height: 64px; border-bottom: 1px solid var(--app-border); position: sticky; top: 0; background: var(--app-bg); z-index: 5; }
.hs-brand { display: flex; align-items: center; gap: 10px; color: var(--app-text); font-weight: 700; }
.hs-brand:hover { text-decoration: none; }
.hs-logo { height: 26px; width: auto; }
.hs-logo--dark { display: none; }
@media (prefers-color-scheme: dark) { .hs-logo--light { display: none; } .hs-logo--dark { display: inline; } }
.hs-search { position: relative; flex: 1 1 260px; max-width: 420px; }
.hs-search input { width: 100%; padding: 8px 12px; border: 1px solid var(--app-border); border-radius: 8px; background: var(--app-bg-subtle); color: var(--app-text); font: inherit; font-size: 15px; }
.hs-results { position: absolute; left: 0; right: 0; top: calc(100% + 4px); margin: 0; padding: 6px; list-style: none; background: var(--app-bg); border: 1px solid var(--app-border); border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,0.12); max-height: 60vh; overflow: auto; }
.hs-results li a { display: block; padding: 8px 10px; border-radius: 6px; color: var(--app-text); }
.hs-results li a:hover, .hs-results li a:focus { background: var(--app-bg-subtle); text-decoration: none; }
.hs-results small { display: block; color: var(--app-text-muted); font-size: 12px; }
.hs-actions { display: flex; align-items: center; gap: 16px; margin-left: auto; font-size: 14px; font-weight: 600; }
.hs-cta { background: var(--app-primary); color: #fff; padding: 7px 14px; border-radius: 8px; }
.hs-cta:hover { text-decoration: none; filter: brightness(1.05); }

.hs-wrap { padding: 32px 40px 64px calc(280px + 40px); }
/* Fixed menu: stays put on the left under the header and scrolls on its own. */
.hs-nav { position: fixed; top: 64px; left: 0; bottom: 0; width: 280px; overflow-y: auto; padding: 20px 16px 32px 20px; border-right: 1px solid var(--app-border); background: var(--app-bg-subtle); font-size: 14px; }
.hs-nav summary { cursor: pointer; font-weight: 700; color: var(--app-text); padding: 6px 0; }
.hs-nav ul { list-style: none; margin: 0 0 8px; padding: 0 0 0 10px; border-left: 2px solid var(--app-border); }
.hs-nav li a { display: block; padding: 3px 10px; color: var(--app-text-secondary); border-radius: 6px; }
.hs-nav li a:hover { background: var(--app-bg); text-decoration: none; }
.hs-nav li a[aria-current="page"] { color: var(--app-primary); font-weight: 600; background: var(--app-bg); }
.hs-main { min-width: 0; max-width: 760px; }
.hs-main h1 { color: var(--app-text); font-size: 2rem; line-height: 1.2; margin: 0 0 16px; }
.hs-lede { font-size: 1.1rem; }
.hs-section h2 { color: var(--app-text); font-size: 1.15rem; margin: 32px 0 8px; }
.hs-section ul { list-style: none; padding: 0; margin: 0; }
.hs-section li { padding: 10px 0; border-bottom: 1px solid var(--app-border); }
.hs-section li a { font-weight: 600; }
.hs-section li span { display: block; font-size: 14px; color: var(--app-text-muted); }
.hs-crumbs { font-size: 13px; color: var(--app-text-muted); margin-bottom: 8px; }
.hs-article h3 { color: var(--app-text); font-size: 1.15rem; margin: 32px 0 8px; scroll-margin-top: 90px; }
.hs-article p { margin: 0 0 14px; }
.hs-article ul, .hs-article ol { padding-left: 22px; margin: 0 0 16px; }
.hs-article li { margin-bottom: 6px; }
.hs-article--guide ol > li { margin-bottom: 12px; }
.hs-article code { background: var(--app-bg-subtle); padding: 1px 6px; border-radius: 4px; font-size: 0.9em; }
.hs-article table { border-collapse: collapse; width: 100%; margin: 0 0 16px; font-size: 15px; }
.hs-article th, .hs-article td { border: 1px solid var(--app-border); padding: 8px 10px; text-align: left; vertical-align: top; }
.hs-article img { max-width: 100%; height: auto; border-radius: 8px; border: 1px solid var(--app-border); }
.hs-article details { margin: 0 0 14px; }
.hs-article summary { cursor: pointer; font-weight: 600; color: var(--app-text); }
.hs-article .dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; vertical-align: middle; margin-right: 6px; border: 2px solid #fff; box-shadow: 0 1px 2px rgba(0,0,0,0.3); }
.hs-article .help-hint { font-size: 0.92rem; color: var(--app-text-muted); border-left: 3px solid var(--app-border); padding-left: 12px; }
.hs-footer { margin-left: 280px; display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: center; padding: 24px; border-top: 1px solid var(--app-border); font-size: 13px; color: var(--app-text-muted); }

@media (max-width: 860px) {
  .hs-header { padding: 12px 16px; position: static; }
  .hs-actions { margin-left: 0; }
  .hs-wrap { display: flex; flex-direction: column; padding: 20px 16px 48px; }
  .hs-nav { position: static; width: auto; order: 2; border-right: 0; border-top: 1px solid var(--app-border); margin-top: 32px; background: none; padding: 20px 0 0; }
  .hs-footer { margin-left: 0; }
  .hs-main h1 { font-size: 1.6rem; }
}