/* John Buckman — GitHub project pages
   Shared stylesheet. Light + dark aware. No external assets. */

:root {
  --bg: #ffffff;
  --bg-soft: #f6f8fa;
  --card: #ffffff;
  --border: #d0d7de;
  --text: #1f2328;
  --muted: #59636e;
  --link: #0969da;
  --link-hover: #0a5cc0;
  --accent: #8250df;
  --code-bg: #f6f8fa;
  --tag-bg: #ddf4ff;
  --tag-text: #0969da;
  --shadow: 0 1px 3px rgba(31,35,40,0.08), 0 1px 2px rgba(31,35,40,0.04);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --bg-soft: #161b22;
    --card: #161b22;
    --border: #30363d;
    --text: #e6edf3;
    --muted: #9198a1;
    --link: #4493f8;
    --link-hover: #6cb0ff;
    --accent: #bc8cff;
    --code-bg: #161b22;
    --tag-bg: #12283a;
    --tag-text: #6cb0ff;
    --shadow: none;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans",
    Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px 80px;
}

.wrap.narrow { max-width: 820px; }

/* ---- Masthead ---- */
header.masthead {
  padding: 56px 0 28px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 36px;
}
header.masthead h1 {
  margin: 0 0 8px;
  font-size: 2.1rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
header.masthead p.lede {
  margin: 0;
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 42em;
}

/* ---- Breadcrumb ---- */
nav.crumbs {
  padding: 22px 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}
nav.crumbs a { color: var(--muted); }
nav.crumbs a:hover { color: var(--link); }

/* ---- Links ---- */
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); text-decoration: underline; }

/* ---- Section headings ---- */
h2 {
  margin: 40px 0 14px;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
h3 { margin: 28px 0 10px; font-size: 1.12rem; }

/* ---- Section label above homepage groups ---- */
.section-label {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  margin: 44px 0 16px;
}

/* ---- Card grid ---- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}
.card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  box-shadow: var(--shadow);
  transition: border-color .15s ease, transform .15s ease;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card h3 { margin: 0 0 6px; font-size: 1.08rem; }
.card h3 a { color: var(--text); }
.card h3 a:hover { color: var(--accent); text-decoration: none; }
.card p { margin: 0 0 14px; color: var(--muted); font-size: 0.95rem; flex: 1; }
.card .links { display: flex; gap: 14px; font-size: 0.88rem; flex-wrap: wrap; }
.card .links a::before { content: "→ "; color: var(--muted); }

/* ---- GitHub open-source marker ---- */
:root {
  --gh-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 .297c-6.63 0-12 5.373-12 12 0 5.303 3.438 9.8 8.205 11.385.6.113.82-.258.82-.577 0-.285-.01-1.04-.015-2.04-3.338.724-4.042-1.61-4.042-1.61C4.422 18.07 3.633 17.7 3.633 17.7c-1.087-.744.084-.729.084-.729 1.205.084 1.838 1.236 1.838 1.236 1.07 1.835 2.809 1.305 3.495.998.108-.776.417-1.305.76-1.605-2.665-.305-5.467-1.334-5.467-5.931 0-1.311.469-2.381 1.236-3.221-.124-.303-.535-1.524.117-3.176 0 0 1.008-.322 3.301 1.23A11.509 11.509 0 0112 5.803c1.02.005 2.047.138 3.006.404 2.291-1.552 3.297-1.23 3.297-1.23.653 1.653.242 2.874.118 3.176.77.84 1.235 1.911 1.235 3.221 0 4.609-2.807 5.624-5.479 5.921.43.372.823 1.102.823 2.222 0 1.606-.014 2.898-.014 3.293 0 .322.216.694.825.576C20.565 22.092 24 17.592 24 12.297c0-6.627-5.373-12-12-12'/%3E%3C/svg%3E");
}
a.gh::before, .gh-ico {
  content: "";
  display: inline-block;
  width: 1em; height: 1em;
  vertical-align: -0.14em;
  background-color: currentColor;
  -webkit-mask: center / contain no-repeat var(--gh-mask);
  mask: center / contain no-repeat var(--gh-mask);
}
a.gh::before { margin-right: .35em; }
.gh-ico { margin: 0 .12em; }
.legend { margin: 14px 0 0; font-size: 0.9rem; color: var(--muted); }
/* override the "→" arrow for repo links inside card link rows */
.card .links a.gh::before { content: ""; }

/* ---- Feature tile (homepage single Tcl/Tk mention) ---- */
.feature {
  display: block;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  padding: 24px 26px;
  margin: 8px 0;
  color: var(--text);
}
.feature:hover { text-decoration: none; border-color: var(--accent); }
.feature h3 { margin: 0 0 6px; font-size: 1.25rem; }
.feature p { margin: 0; color: var(--muted); }
.feature .more { display: inline-block; margin-top: 12px; color: var(--link); font-weight: 500; font-size: 0.95rem; }

/* ---- Tags / pills ---- */
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 0; }
.tag {
  font-size: 0.75rem;
  background: var(--tag-bg);
  color: var(--tag-text);
  border-radius: 2em;
  padding: 2px 10px;
  white-space: nowrap;
}

/* ---- Prose (detail pages) ---- */
.prose p, .prose li { font-size: 1rem; }
.prose ul { padding-left: 1.4em; }
.prose li { margin: 4px 0; }
.prose code {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.1em 0.4em;
  font-size: 0.88em;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}
.prose pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.5;
}
.prose pre code { background: none; border: none; padding: 0; }
.prose blockquote {
  margin: 16px 0;
  padding: 2px 16px;
  border-left: 3px solid var(--accent);
  color: var(--muted);
}
.prose table { border-collapse: collapse; width: 100%; margin: 16px 0; font-size: 0.92rem; }
.prose th, .prose td { border: 1px solid var(--border); padding: 6px 10px; text-align: left; }
.prose th { background: var(--bg-soft); }

/* ---- Meta row on detail page ---- */
.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  padding: 16px 0 4px;
  font-size: 0.92rem;
  color: var(--muted);
}
.meta strong { color: var(--text); font-weight: 600; }
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff !important;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 0.92rem;
  font-weight: 500;
}
.btn:hover { text-decoration: none; opacity: 0.92; }

/* ---- Status badges ---- */
.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 2em;
  padding: 2px 10px;
  border: 1px solid var(--border);
}
.badge.shipped { background: #1a7f37; color: #fff; border-color: #1a7f37; }
.badge.wip { background: #9a6700; color: #fff; border-color: #9a6700; }
.badge.lib { background: #0969da; color: #fff; border-color: #0969da; }

/* ---- Screenshots ---- */
.gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 22px 0;
  align-items: flex-start;
}
.gallery figure {
  margin: 0;
  flex: 1 1 340px;
  min-width: 0;
}
.gallery.phones figure { flex: 0 1 230px; }
.gallery figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-soft);
}
.gallery figcaption {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---- Footer ---- */
footer.foot {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.88rem;
}

@media (max-width: 600px) {
  header.masthead { padding: 36px 0 20px; }
  header.masthead h1 { font-size: 1.7rem; }
}