/* app-seo.css — blocchi di contenuto SEO sotto le web app (tema scuro)
   Usato da: /en|it/app/{timecode-calculator,ltc_generator_only,signal-generator,
   broadcast-clock,ptp-calculator}.html */

.app-seo {
  --seo-bg: #0f1419;
  --seo-panel: #182029;
  --seo-line: #2c3946;
  --seo-txt: #e8edf2;
  --seo-dim: #9fb0c0;
  --seo-accent: #35b6ff;

  display: block;
  width: 100%;
  max-width: 900px;
  margin: 48px auto 0;
  padding: 0 20px 56px;
  box-sizing: border-box;
  color: var(--seo-txt);
  font: 16px/1.7 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  text-align: left;
  flex: none;
}

.app-seo section {
  background: var(--seo-panel);
  border: 1px solid var(--seo-line);
  border-radius: 12px;
  padding: 24px 26px;
  margin: 0 0 22px;
  box-shadow: none;
}

.app-seo h2 {
  font-size: 1.35rem;
  line-height: 1.3;
  font-weight: 600;
  color: #fff;
  margin: 28px 0 10px;
  letter-spacing: -0.01em;
}

.app-seo section > h2:first-child { margin-top: 0; }

.app-seo h3 {
  font-size: 1.05rem;
  line-height: 1.4;
  font-weight: 600;
  color: #fff;
  margin: 22px 0 6px;
}

.app-seo p {
  margin: 0 0 12px;
  color: var(--seo-txt);
  max-width: 78ch;
}

.app-seo ul,
.app-seo ol {
  margin: 0 0 14px;
  padding-left: 22px;
  max-width: 78ch;
}

.app-seo li {
  margin: 0 0 7px;
  color: var(--seo-txt);
}

.app-seo strong { color: #fff; font-weight: 600; }
.app-seo em { color: var(--seo-dim); font-style: italic; }

.app-seo a {
  color: var(--seo-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 182, 255, 0.35);
}

.app-seo a:hover,
.app-seo a:focus {
  color: #7fd0ff;
  border-bottom-color: #7fd0ff;
}

.app-seo code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: #1f2933;
  border: 1px solid var(--seo-line);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--seo-accent);
}

.app-seo table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 14px;
  font-size: 0.95rem;
  display: block;
  overflow-x: auto;
}

.app-seo th,
.app-seo td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--seo-line);
  vertical-align: top;
}

.app-seo th { color: var(--seo-dim); font-weight: 600; }

.app-seo .tool-links { background: #131a22; }

@media (max-width: 640px) {
  .app-seo { padding: 0 14px 40px; margin-top: 32px; }
  .app-seo section { padding: 18px 16px; }
  .app-seo h2 { font-size: 1.2rem; }
}

@media print {
  .app-seo { display: none !important; }
}

/* --- breadcrumb visibile (rispecchia lo schema BreadcrumbList del <head>) --- */
.app-seo-crumbs {
  margin: 0 0 20px;
  font-size: 0.9rem;
  color: var(--seo-dim);
}

.app-seo-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: none;
}

.app-seo-crumbs li { margin: 0; color: var(--seo-dim); }

.app-seo-crumbs li + li::before {
  content: "›";
  margin-right: 8px;
  color: var(--seo-line);
}

.app-seo-crumbs [aria-current="page"] { color: var(--seo-txt); }
