:root {
    --teal: #12B886; --teal-dark: #0E9370; --teal-light: #DFF4EC;
    --teal-ink: #0F7B57; --teal-strong: #0F7F5A; --teal-strong-hover: #0B6B4A;
    --ink: #14201A; --ink-soft: #5B6963; --bg: #F6F3EC; --surface: #FFFFFF; --border: #E7E2D6;
    --coral: #E24C36; --coral-light: #FDE2DE;
    --amber-light: #FCF0D5; --amber-ink: #8A5A00;
    --radius-lg: 20px; --radius-md: 14px; --radius-sm: 10px;
    --shadow: 0 12px 28px rgba(15, 40, 34, 0.1);
    --max: 880px;
  }
  @media (prefers-color-scheme: dark) {
    :root {
      --ink: #EAF3EE; --ink-soft: #9DB6AD; --bg: #10231D; --surface: #16332A; --border: #274238;
      --teal-light: #16332A; --teal-dark: #8FE0C4; --teal-ink: #8FE0C4;
      --coral-light: #2E1F1C;
      --amber-light: #3A2E12; --amber-ink: #F0C674;
      --shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
    }
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg); color: var(--ink); line-height: 1.55; -webkit-font-smoothing: antialiased;
  }
  a { color: var(--teal-ink); text-decoration: none; }
  a:focus-visible, button:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }
  img { max-width: 100%; height: auto; display: block; }

  .nav { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
  .nav-row { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; max-width: 960px; margin: 0 auto; gap: 14px; }
  .brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.1rem; color: var(--ink); }
  .brand img { width: 32px; height: 32px; border-radius: 9px; }
  .nav-cta { background: var(--teal-strong); color: #fff; padding: 9px 18px; border-radius: 999px; font-weight: 600; font-size: 0.9rem; }
  .nav-cta:hover { background: var(--teal-strong-hover); }

  .nav-tools { display: flex; gap: 3px; background: var(--bg); border: 1px solid var(--border); border-radius: 999px; padding: 3px; }
  .nav-tool-tab { padding: 7px 14px; border-radius: 999px; font-size: 0.82rem; font-weight: 700; color: var(--ink-soft); white-space: nowrap; }
  .nav-tool-tab:hover { color: var(--ink); }
  .nav-tool-tab.active { background: var(--teal); color: #06231A; }
  @media (max-width: 640px) { .nav-tools { display: none; } }

  .wrap { max-width: var(--max); margin: 0 auto; padding: 44px 20px 32px; }
  .tag { display: inline-flex; align-items: center; background: var(--teal-light); color: var(--teal-ink); font-weight: 700; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; padding: 5px 12px; border-radius: 999px; margin-bottom: 14px; }
  h1 { font-size: clamp(1.6rem, 4vw, 2.1rem); line-height: 1.2; margin: 0 0 10px; letter-spacing: -0.01em; }
  .sub { color: var(--ink-soft); margin: 0 0 28px; font-size: 1rem; max-width: 54ch; }

  .search-form { display: flex; gap: 10px; margin-bottom: 16px; }
  input { flex: 1; padding: 13px 16px; border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--surface); color: var(--ink); font-size: 0.95rem; font-family: inherit; }
  input:focus { outline: 2px solid var(--teal); outline-offset: -1px; }
  button.primary { padding: 13px 22px; border-radius: var(--radius-sm); border: none; background: var(--teal-strong); color: #fff; font-weight: 700; cursor: pointer; font-size: 0.95rem; font-family: inherit; white-space: nowrap; }
  button.primary:hover { background: var(--teal-strong-hover); }
  button.primary:disabled { opacity: 0.6; cursor: default; }

  .examples { font-size: 0.85rem; color: var(--ink-soft); margin-bottom: 32px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
  .examples button { background: var(--surface); border: 1px solid var(--border); color: var(--ink-soft); padding: 5px 12px; font-weight: 600; font-size: 0.8rem; border-radius: 999px; cursor: pointer; font-family: inherit; }
  .examples button:hover { border-color: var(--teal); color: var(--ink); }

  .card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 26px; box-shadow: var(--shadow); display: none; }
  .card.show { display: block; }
  .head { display: flex; gap: 14px; align-items: center; margin-bottom: 18px; }
  .head img { width: 60px; height: 60px; border-radius: var(--radius-sm); }
  .head h2 { margin: 0; font-size: 1.25rem; }
  .head .dev { color: var(--ink-soft); font-size: 0.85rem; margin-top: 2px; }
  .row { display: grid; grid-template-columns: 140px 1fr; gap: 8px; padding: 11px 0; border-top: 1px solid var(--border); font-size: 0.9rem; }
  .row:first-of-type { border-top: none; }
  .row b { color: var(--ink-soft); font-weight: 600; }
  .perms { display: flex; flex-wrap: wrap; gap: 6px; }
  .perms span { background: var(--teal-light); color: var(--teal-ink); padding: 3px 10px; border-radius: 999px; font-size: 0.78rem; font-weight: 600; }
  .shots { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; }
  .shots img { height: 150px; border-radius: var(--radius-sm); flex-shrink: 0; cursor: zoom-in; transition: opacity 0.15s; }
  .shots img:hover { opacity: 0.85; }
  .header-img { width: 100%; max-height: 220px; object-fit: cover; border-radius: var(--radius-md); margin-bottom: 18px; }
  .lightbox { position: fixed; inset: 0; background: rgba(10,14,12,0.9); display: flex; align-items: center; justify-content: center; z-index: 100; cursor: zoom-out; padding: 30px; }
  .lightbox img { max-width: 100%; max-height: 100%; border-radius: var(--radius-md); }

  .error { color: #b3261e; background: var(--coral-light); padding: 13px 16px; border-radius: var(--radius-sm); display: none; margin-bottom: 20px; font-size: 0.9rem; font-weight: 500; }
  .error.show { display: block; }

  .results { display: none; flex-direction: column; gap: 8px; margin-bottom: 24px; }
  .results.show { display: flex; }
  .result { display: flex; align-items: center; gap: 12px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 11px 15px; cursor: pointer; text-align: left; font: inherit; color: inherit; }
  .result:hover { border-color: var(--teal); }
  .result img { width: 42px; height: 42px; border-radius: var(--radius-sm); flex-shrink: 0; object-fit: cover; }
  .result-fallback { width: 42px; height: 42px; border-radius: var(--radius-sm); flex-shrink: 0; background: var(--teal); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1.05rem; }
  .result .name { font-weight: 700; font-size: 0.92rem; }
  .result .dev { color: var(--ink-soft); font-size: 0.8rem; }
  .result .age-tag { color: var(--teal-ink); font-size: 0.74rem; font-weight: 700; margin-top: 2px; }
  .result .score { margin-left: auto; color: var(--ink-soft); font-size: 0.82rem; white-space: nowrap; }

  .back { background: none; border: none; color: var(--ink-soft); font-size: 0.88rem; font-weight: 600; cursor: pointer; padding: 0 0 16px; display: none; font-family: inherit; }
  .back.show { display: block; }

  footer { border-top: 1px solid var(--border); margin-top: 0; }
  .footer-inner { max-width: 960px; margin: 0 auto; padding: 28px 24px; display: flex; flex-direction: column; align-items: center; gap: 14px; text-align: center; }
  .footer-tagline { margin: 0; color: var(--ink-soft); font-size: 0.85rem; max-width: 58ch; }
  .footer-social { display: flex; gap: 10px; }
  .footer-social a { display: flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); color: var(--ink-soft); }
  .footer-social a:hover { color: var(--teal-ink); border-color: var(--teal); }
  .footer-social svg { width: 16px; height: 16px; }
  .footer-links { display: flex; gap: 18px; flex-wrap: wrap; justify-content: center; font-size: 0.85rem; }
  .footer-links a { color: var(--ink-soft); font-weight: 600; }
  .footer-links a:hover { color: var(--teal-ink); }
  .footer-bottom { color: var(--ink-soft); font-size: 0.78rem; }
  .support-note { color: var(--ink-soft); font-size: 0.8rem; }
  .support-note a { color: var(--teal-ink); font-weight: 600; }

  .popular { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
  .popular a { background: var(--surface); border: 1px solid var(--border); color: var(--ink); padding: 6px 14px; border-radius: 999px; font-size: 0.85rem; font-weight: 600; }
  .popular a:hover { border-color: var(--teal); color: var(--teal-ink); }

  .breadcrumb { font-size: 0.85rem; color: var(--ink-soft); margin-bottom: 18px; }
  .breadcrumb a { color: var(--ink-soft); font-weight: 600; }
  .breadcrumb a:hover { color: var(--teal-ink); }

  .faq { margin-top: 18px; }
  .faq details { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 14px 18px; margin-bottom: 10px; }
  .faq summary { font-weight: 700; cursor: pointer; font-size: 0.95rem; }
  .faq p { margin: 10px 0 0; color: var(--ink-soft); font-size: 0.9rem; }

  .section-title { font-size: 1.1rem; font-weight: 800; margin: 40px 0 14px; }

  .upload-box { border: 2px dashed var(--border); border-radius: var(--radius-lg); padding: 32px 24px; text-align: center; background: var(--surface); margin-bottom: 10px; }
  .upload-box input[type="file"] { display: block; margin: 0 auto 16px; font-family: inherit; font-size: 0.9rem; color: var(--ink-soft); }
  .upload-note { font-size: 0.8rem; color: var(--ink-soft); margin-top: 14px; }
  .guide-box { background: var(--teal-light); border-radius: var(--radius-md); padding: 16px 20px; font-size: 0.88rem; color: var(--teal-ink); margin: 18px 0 32px; }
  .guide-box a { font-weight: 700; }

  .flags { display: flex; flex-direction: column; gap: 8px; margin: 18px 0 32px; }
  .flag { display: flex; gap: 10px; align-items: flex-start; padding: 12px 16px; border-radius: var(--radius-md); font-size: 0.88rem; }
  .flag b { flex-shrink: 0; }
  .flag.warn { background: var(--amber-light); color: var(--amber-ink); }
  .flag.info { background: var(--teal-light); color: var(--teal-ink); }
  .flag.good { background: var(--teal-light); color: var(--teal-ink); }

  .manifest-raw { max-height: 480px; overflow: auto; background: var(--bg); border-radius: var(--radius-sm); padding: 16px; font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; white-space: pre; }

  .acc-group { margin: 18px 0 12px; }
  .acc { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); margin-bottom: 10px; overflow: hidden; }
  .acc summary { padding: 15px 18px; cursor: pointer; font-weight: 700; font-size: 0.95rem; display: flex; justify-content: space-between; align-items: center; gap: 10px; list-style: none; }
  .acc summary::-webkit-details-marker { display: none; }
  .acc summary .chev { display: flex; align-items: center; justify-content: center; width: 26px; height: 26px; border-radius: 50%; background: var(--bg); border: 1px solid var(--border); color: var(--ink-soft); font-size: 0.85rem; transition: transform 0.15s, background 0.15s, color 0.15s, border-color 0.15s; flex-shrink: 0; }
  .acc[open] summary .chev { transform: rotate(180deg); background: var(--teal-light); color: var(--teal-ink); border-color: var(--teal); }
  .acc summary .acc-count { color: var(--ink-soft); font-weight: 600; font-size: 0.82rem; margin-right: auto; margin-left: 10px; }
  .acc-body { padding: 0 18px 18px; border-top: 1px solid var(--border); }
  .acc-empty { color: var(--ink-soft); font-size: 0.88rem; padding: 16px 0 2px; }

  .table-wrap { overflow-x: auto; margin-top: 14px; }
  table.data-table { width: 100%; min-width: 480px; border-collapse: collapse; font-size: 0.84rem; }
  table.data-table th { text-align: left; padding: 8px 10px; color: var(--ink-soft); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.04em; border-bottom: 1px solid var(--border); white-space: nowrap; }
  table.data-table td { padding: 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
  table.data-table tr:last-child td { border-bottom: none; }
  table.data-table .mono { font-family: 'JetBrains Mono', monospace; font-size: 0.76rem; white-space: nowrap; }
  table.data-table .muted { color: var(--ink-soft); }
  .badge { display: inline-block; flex-shrink: 0; font-size: 0.72rem; font-weight: 700; padding: 2px 9px; border-radius: 999px; white-space: nowrap; }
  .badge.warn { background: var(--amber-light); color: var(--amber-ink); }
  .badge.neutral { background: var(--border); color: var(--ink-soft); }
  .badge.ok { background: var(--teal-light); color: var(--teal-ink); }

  .nav-right { display: flex; align-items: center; gap: 14px; }
  .nav-link { font-weight: 600; font-size: 0.9rem; color: var(--ink-soft); padding: 6px 4px; }
  .nav-link:hover, .nav-link.active { color: var(--teal-ink); }

  .blog-layout { max-width: 1100px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 44px; align-items: start; }
  .article { min-width: 0; padding: 40px 0 70px; }
  .article-meta { color: var(--ink-soft); font-size: 0.85rem; margin: 0 0 22px; }
  .blog-hero-img { width: 100%; height: auto; aspect-ratio: 2 / 1; object-fit: cover; border-radius: 16px; margin: 4px 0 26px; display: block; border: 1px solid var(--border); }
  .article h1 { font-size: clamp(1.7rem, 4vw, 2.3rem); line-height: 1.18; margin: 0 0 12px; }
  .article .lead { font-size: 1.08rem; color: var(--ink); margin: 0 0 26px; }
  .article h2 { font-size: 1.4rem; line-height: 1.25; margin: 38px 0 12px; letter-spacing: -0.01em; }
  .article h3 { font-size: 1.05rem; margin: 24px 0 8px; }
  .article p { margin: 0 0 16px; }
  .article ul, .article ol { margin: 0 0 18px; padding-left: 22px; }
  .article li { margin-bottom: 7px; }
  .article code { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 0.84em; background: var(--surface); border: 1px solid var(--border); border-radius: 6px; padding: 1px 6px; }
  .article pre { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 14px 16px; overflow-x: auto; margin: 0 0 20px; }
  .article pre code { background: none; border: none; padding: 0; font-size: 0.8rem; }
  .article table { width: 100%; border-collapse: collapse; font-size: 0.9rem; margin: 0 0 22px; display: block; overflow-x: auto; }
  .article th { text-align: left; padding: 9px 12px; background: var(--surface); border-bottom: 2px solid var(--border); white-space: nowrap; }
  .article td { padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
  .article .callout { background: var(--teal-light); color: var(--teal-ink); border-radius: var(--radius-md); padding: 14px 18px; margin: 0 0 20px; font-size: 0.93rem; }
  .article .callout.caution { background: var(--amber-light); color: var(--amber-ink); }
  .article .callout p:last-child { margin-bottom: 0; }
  .toc { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 14px 20px; margin: 0 0 28px; font-size: 0.9rem; }
  .toc b { display: block; margin-bottom: 6px; }
  .toc ol { margin: 0; padding-left: 20px; }
  .toc li { margin-bottom: 3px; }
  .article-faq h3 { margin-top: 20px; }
  .sources { font-size: 0.88rem; color: var(--ink-soft); border-top: 1px solid var(--border); margin-top: 34px; padding-top: 16px; }
  .sources ul { margin: 6px 0 0; }
  .article-cta { text-align: center; margin: 36px 0 0; }
  .btn-primary { display: inline-block; background: var(--teal-strong); color: #fff; padding: 12px 24px; border-radius: 999px; font-weight: 700; font-size: 0.95rem; }
  .btn-primary:hover { background: var(--teal-strong-hover); }

  .blog-aside { position: sticky; top: 84px; padding: 40px 0; display: flex; flex-direction: column; gap: 18px; }
  .tool-callout { background: var(--teal-light); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 18px; }
  .tool-callout h3 { margin: 0 0 6px; font-size: 1rem; }
  .tool-callout p { margin: 0 0 12px; font-size: 0.86rem; color: var(--ink-soft); }
  .blog-related { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 18px; }
  .blog-related h3 { margin: 0 0 10px; font-size: 1rem; }
  .blog-related ul { list-style: none; margin: 0; padding: 0; }
  .blog-related li { margin-bottom: 10px; font-size: 0.86rem; line-height: 1.4; }
  .blog-related a { font-weight: 600; }

  .blog-index { max-width: 1100px; margin: 0 auto; padding: 44px 24px 20px; }
  .blog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; margin-top: 26px; }
  @media (max-width: 960px) { .blog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (max-width: 600px) { .blog-grid { grid-template-columns: minmax(0, 1fr); } }
  .blog-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; color: inherit; transition: transform 0.15s, box-shadow 0.15s; }
  .blog-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
  .blog-card img { width: 100%; aspect-ratio: 2 / 1; object-fit: cover; display: block; }
  .blog-card-body { padding: 16px 18px 18px; }
  .blog-card-tag { display: inline-block; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--teal-ink); margin-bottom: 6px; }
  .blog-card h2 { margin: 0 0 8px; font-size: 1.05rem; line-height: 1.3; color: var(--ink); }
  .blog-card p { margin: 0 0 10px; color: var(--ink-soft); font-size: 0.88rem; }
  .blog-card-meta { font-size: 0.78rem; color: var(--ink-soft); }

  @media (max-width: 900px) {
    .blog-layout { grid-template-columns: minmax(0, 1fr); gap: 0; padding: 0 20px; }
    .blog-aside { position: static; padding: 0 0 50px; }
  }

  .takeaways { background: var(--teal-light); border: 1px solid var(--border); border-left: 4px solid var(--teal); border-radius: var(--radius-md); padding: 14px 20px; margin: 0 0 26px; }
  .takeaways b { display: block; margin-bottom: 6px; color: var(--teal-ink); }
  .takeaways ul { margin: 0; padding-left: 20px; }
  .takeaways li { margin-bottom: 5px; }
  sup.cite { font-size: 0.7em; line-height: 0; margin-left: 1px; }
  sup.cite a { font-weight: 700; padding: 0 1px; }
  .sources ol { margin: 8px 0 0; padding-left: 22px; }
  .sources li { margin-bottom: 6px; }
  .article :target { scroll-margin-top: 90px; }

  .site-faq { border-top: 1px solid var(--border); margin-top: 28px; padding: 38px 0 6px; }
  .site-faq-inner { max-width: 880px; margin: 0 auto; padding: 0 20px; }
  .site-faq h2 { font-size: 1.3rem; margin: 0 0 14px; }
  .site-faq .faq { margin-top: 0; }
  .site-faq + footer { margin-top: 28px; }

  .screen-tab { padding: 9px 18px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--ink-soft); font-weight: 600; font-size: 0.9rem; transition: background 0.15s, color 0.15s, border-color 0.15s; }
  .screen-tab:hover { border-color: var(--teal); color: var(--ink); }
  .screen-tab.active { background: var(--teal-strong); border-color: var(--teal-strong); color: #fff; }
  .blog-pagination { display: flex; justify-content: center; gap: 8px; margin: 36px 0 12px; flex-wrap: wrap; }
  .blog-pagination button { cursor: pointer; font-family: inherit; }