/* Central de Ajuda - Estilos básicos, acessíveis e leves */
:root {
  --bg: #ffffff;
  --text: #222222;
  --muted: #6b7280;
  --primary: #42663b;
  --primary-600: #709b68;
  --border: #e5e7eb;
  --card: #f8fafc;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif; color: var(--text); background: var(--bg); }

.container { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

.site-header { border-bottom: 1px solid var(--border); background: var(--bg); position: sticky; top: 0; z-index: 50; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; font-weight: 700; }
.logo { width: 100px; height: 100px; }
.top-nav { display: flex; gap: 14px; }
.nav-link { color: var(--muted); text-decoration: none; }
.nav-link:hover { color: var(--text); }

.search-hero { padding: 32px 0 16px; }
.search-hero h1 { margin: 0 0 12px; font-size: 28px; }
.search-box { display: flex; gap: 8px; }
.search-box input { flex: 1; padding: 12px 14px; font-size: 16px; border-radius: 10px; border: 1px solid var(--border); }
.btn { background: var(--primary); color: #fff; border: 0; padding: 12px 16px; border-radius: 10px; cursor: pointer; }
.btn:hover { background: var(--primary-600); }

.quick-links { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; }
.chip { border: 1px solid var(--border); background: var(--card); color: var(--muted); padding: 6px 10px; border-radius: 999px; font-size: 12px; text-decoration: none; }
.chip:hover { color: var(--text); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid { grid-template-columns: 1fr; } }

.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; text-decoration: none; color: inherit; display: block; }
.card h3 { margin: 0 0 4px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }

.list { display: grid; gap: 6px; margin-top: 8px; }
.list a { color: var(--primary-600); text-decoration: none; }
.list a:hover { text-decoration: underline; }

.article { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.article h1 { margin-top: 0; }
.article .meta { color: var(--muted); font-size: 13px; margin: 2px 0 14px; }
.article .content p { line-height: 1.6; }

.empty { padding: 24px; border: 1px dashed var(--border); border-radius: 12px; color: var(--muted); text-align: center; }

.breadcrumbs { font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--text); text-decoration: underline; }

.site-footer { margin-top: 40px; border-top: 1px solid var(--border); padding: 16px 0; color: var(--muted); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.footer-links { display: flex; align-items: center; gap: 8px; }

.support-cta { display: flex; gap: 8px; flex-wrap: wrap; }
.support-cta a { text-decoration: none; }
.kbd { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; background: #eef2ff; color: #3730a3; padding: 0 6px; border-radius: 6px; border: 1px solid #c7d2fe; }