/* Public help-site styles. Standalone from the SPA bundle so help pages stay
 * crawlable without booting React. Hand-written rather than Tailwind-generated
 * so the file is stable and small (~5 KB) and doesn't go through the JS module
 * graph that the SPA depends on.
 *
 * Brand colors mirror the SPA's primary palette (--color-primary 219 64% 56%).
 */

*, *::before, *::after { box-sizing: border-box; }

:root {
  --bg: #ffffff;
  --bg-soft: #f9fafb;
  --bg-tldr: #eff6ff;
  --border: #e5e7eb;
  --border-tldr: #bfdbfe;
  --text: #111827;
  --text-muted: #6b7280;
  --text-soft: #4b5563;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-soft: #dbeafe;
  --code-bg: #f3f4f6;
  --max-width: 760px;
  --max-width-wide: 1100px;
  --radius: 12px;
}

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--primary); text-decoration: none; transition: color 120ms ease; }
a:hover { color: var(--primary-hover); text-decoration: underline; }

/* ─── Header ─── */
.help-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.help-header-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.help-brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 17px; letter-spacing: -0.01em;
  color: var(--text);
}
.help-brand:hover { text-decoration: none; }
.help-brand-mark {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--primary);
  color: white; font-weight: 700; font-size: 12px;
  display: inline-flex; align-items: center; justify-content: center;
}
.help-cta {
  background: var(--primary); color: white;
  padding: 8px 16px; border-radius: 8px;
  font-size: 14px; font-weight: 600;
}
.help-cta:hover { background: var(--primary-hover); color: white; text-decoration: none; }

/* ─── Layout ─── */
.help-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 64px;
}
.help-main-wide {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 48px 24px 64px;
}

/* ─── Index page ─── */
.help-intro h1 {
  font-size: 38px; font-weight: 800; letter-spacing: -0.02em;
  margin: 0 0 12px; line-height: 1.15;
}
.help-intro p { font-size: 18px; color: var(--text-muted); margin: 0 0 32px; }

.help-categories { display: grid; gap: 32px; }
.help-category h2 {
  font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--primary);
  margin: 0 0 12px;
}
.help-category-grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.help-card {
  display: block;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  transition: border-color 120ms ease, transform 120ms ease;
}
.help-card:hover {
  border-color: var(--primary);
  text-decoration: none;
  transform: translateY(-1px);
}
.help-card-title { font-weight: 600; font-size: 16px; color: var(--text); margin: 0 0 4px; }
.help-card-desc { font-size: 14px; color: var(--text-muted); margin: 0; line-height: 1.5; }

/* ─── Article page ─── */
.help-breadcrumb {
  font-size: 13px; color: var(--text-muted);
  margin: 0 0 24px;
}
.help-breadcrumb a { color: var(--text-muted); }
.help-breadcrumb a:hover { color: var(--primary); }

.help-article h1 {
  font-size: 36px; font-weight: 800; letter-spacing: -0.02em;
  margin: 0 0 24px; line-height: 1.2;
}

.help-tldr {
  background: var(--bg-tldr);
  border: 1px solid var(--border-tldr);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin: 0 0 32px;
}
.help-tldr-label {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--primary);
  margin: 0 0 6px;
}
.help-tldr p { margin: 0; font-size: 16px; color: var(--text); line-height: 1.55; }

/* Prose body */
.help-prose { font-size: 17px; line-height: 1.7; color: var(--text-soft); }
.help-prose h2 {
  font-size: 22px; font-weight: 700; color: var(--text);
  margin: 36px 0 12px; letter-spacing: -0.01em;
}
.help-prose h3 {
  font-size: 18px; font-weight: 700; color: var(--text);
  margin: 28px 0 10px;
}
.help-prose p { margin: 0 0 18px; }
.help-prose ul, .help-prose ol { margin: 0 0 18px; padding-left: 24px; }
.help-prose li { margin: 0 0 6px; }
.help-prose li > p { margin: 0; }
.help-prose strong { font-weight: 700; color: var(--text); }
.help-prose code {
  background: var(--code-bg);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
  font-size: 0.92em;
}
.help-prose pre {
  background: var(--code-bg);
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 0 0 18px;
}
.help-prose pre code { background: none; padding: 0; font-size: 14px; }
.help-prose blockquote {
  margin: 0 0 18px;
  padding: 4px 16px;
  border-left: 3px solid var(--primary);
  color: var(--text-muted);
  font-style: italic;
}
.help-prose hr { border: 0; border-top: 1px solid var(--border); margin: 32px 0; }

/* Footer */
.help-footer {
  margin-top: 64px;
  padding: 32px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  text-align: center;
  font-size: 14px;
  color: var(--text-muted);
}
.help-footer-links { display: flex; gap: 20px; justify-content: center; margin: 0 0 12px; flex-wrap: wrap; }
.help-footer a { color: var(--text-muted); }
.help-footer a:hover { color: var(--primary); }

/* Article CTA box at the bottom */
.help-article-cta {
  margin-top: 48px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-soft);
  text-align: center;
}
.help-article-cta-title { font-size: 17px; font-weight: 700; color: var(--text); margin: 0 0 6px; }
.help-article-cta-desc { font-size: 14px; color: var(--text-muted); margin: 0 0 14px; }
.help-article-cta .help-cta { display: inline-block; }

@media (max-width: 600px) {
  .help-main, .help-main-wide { padding: 32px 20px 48px; }
  .help-intro h1, .help-article h1 { font-size: 30px; }
  .help-prose { font-size: 16px; }
  .help-header-inner { padding: 12px 20px; }
}