/* Agent Stack MCP — shared styles
   Design tokens */
:root {
  --paper: #F7F5F0;
  --paper-raised: #FBFAF7;
  --ink: #1C2B33;
  --ink-muted: #5C6B70;
  --pass: #2F6F4E;
  --pass-bg: #E7EFE9;
  --risk: #B5482A;
  --risk-bg: #F3E6E0;
  --rule: #C9C2B4;
  --rule-light: #E3DFD5;
  --max-width: 780px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .slab {
  font-family: "Zilla Slab", Georgia, serif;
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em 0;
  color: var(--ink);
}

h1 { font-size: clamp(2.1rem, 5vw, 3.1rem); font-weight: 700; }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1em 0; max-width: 68ch; }

a { color: var(--ink); text-decoration-color: var(--rule); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--ink); }

.container {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Header ---- */
.site-header {
  border-bottom: 1px solid var(--rule);
  padding: 20px 0;
}
.site-header .container {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.wordmark {
  font-family: "Zilla Slab", serif;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  color: var(--ink);
  text-decoration: none;
}
.wordmark .stamp {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--pass);
  border-radius: 50%;
  margin-right: 8px;
  transform: translateY(-1px);
}
nav.primary-nav { display: flex; gap: 22px; }
nav.primary-nav a {
  font-size: 0.95rem;
  color: var(--ink-muted);
  text-decoration: none;
}
nav.primary-nav a:hover, nav.primary-nav a.active { color: var(--ink); border-bottom: 1px solid var(--ink); }

/* ---- Hero ---- */
.hero {
  padding: 64px 0 48px 0;
  border-bottom: 1px solid var(--rule);
}
.hero .eyebrow-line {
  font-size: 0.92rem;
  color: var(--ink-muted);
  margin-bottom: 14px;
  max-width: 52ch;
}
.hero h1 { max-width: 14ch; }
.hero .lede {
  font-size: 1.15rem;
  color: var(--ink-muted);
  max-width: 52ch;
  margin-top: 14px;
}
.hero .cta-row {
  margin-top: 28px;
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  padding: 12px 22px;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1px solid var(--ink);
}
.btn:hover { background: transparent; color: var(--ink); }
.btn-ghost {
  display: inline-block;
  padding: 12px 22px;
  font-size: 0.98rem;
  text-decoration: none;
  color: var(--ink);
  border: 1px solid var(--rule);
}
.btn-ghost:hover { border-color: var(--ink); }

.stat-line {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
  color: var(--ink-muted);
}

/* ---- Featured stack strip ---- */
.featured {
  padding: 40px 0;
  border-bottom: 1px solid var(--rule);
}
.featured-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding: 20px 0;
}
.featured-row .meta { color: var(--ink-muted); font-size: 0.95rem; }

/* ---- How it works (numbered — it IS a real sequence) ---- */
.how {
  padding: 48px 0;
  border-bottom: 1px solid var(--rule);
}
.how-list {
  list-style: none;
  margin: 24px 0 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.how-list li {
  border-top: 2px solid var(--ink);
  padding-top: 12px;
}
.how-list .num {
  font-family: "IBM Plex Mono", monospace;
  color: var(--ink-muted);
  font-size: 0.85rem;
}
.how-list h3 { margin: 6px 0 6px 0; font-size: 1.05rem; }
.how-list p { font-size: 0.92rem; color: var(--ink-muted); margin: 0; }

@media (max-width: 720px) {
  .how-list { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .how-list { grid-template-columns: 1fr; }
}

/* ---- Manifest / listing rows ---- */
.manifest {
  padding: 40px 0 80px 0;
}
.manifest-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}
.entry {
  display: flex;
  gap: 20px;
  padding: 22px 0;
  border-top: 1px solid var(--rule-light);
  align-items: flex-start;
}
.entry:last-child { border-bottom: 1px solid var(--rule-light); }

.score-badge {
  flex: 0 0 auto;
  width: 52px;
  height: 52px;
  border: 2px solid currentColor;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "IBM Plex Mono", monospace;
  font-size: 1.05rem;
  font-weight: 600;
}
.score-badge.pass { color: var(--pass); }
.score-badge.risk { color: var(--risk); }

.entry-body { flex: 1 1 auto; min-width: 0; }
.entry-title { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.entry-title h3 { margin: 0; }
.tag {
  font-size: 0.78rem;
  padding: 2px 8px;
  border: 1px solid var(--rule);
  color: var(--ink-muted);
  font-family: "IBM Plex Mono", monospace;
}
.tag.write { color: var(--risk); border-color: var(--risk); }
.tag.readonly { color: var(--pass); border-color: var(--pass); }
.entry-desc { color: var(--ink-muted); margin: 8px 0 0 0; font-size: 0.96rem; }
.entry-meta { margin-top: 8px; font-size: 0.85rem; color: var(--ink-muted); }

/* ---- Filter bar ---- */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 24px 0 8px 0;
}
.filter-bar button {
  background: none;
  border: 1px solid var(--rule);
  padding: 8px 14px;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 0.88rem;
  color: var(--ink-muted);
  cursor: pointer;
}
.filter-bar button.active { border-color: var(--ink); color: var(--ink); }
.filter-bar button:hover { border-color: var(--ink); }

/* ---- Guide / article pages ---- */
.article-header { padding: 56px 0 24px 0; border-bottom: 1px solid var(--rule); }
.article-header .lede { color: var(--ink-muted); font-size: 1.08rem; max-width: 60ch; }
.article-body { padding: 32px 0 80px 0; max-width: var(--max-width); }
.article-body h2 { margin-top: 2.2em; }
.article-body ol, .article-body ul { padding-left: 1.3em; }
.article-body li { margin-bottom: 0.5em; }

.callout {
  border-left: 3px solid var(--risk);
  background: var(--risk-bg);
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 0.95rem;
}
.callout.safe { border-left-color: var(--pass); background: var(--pass-bg); }
.callout p:last-child { margin-bottom: 0; }

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: 32px 0;
  font-size: 0.85rem;
  color: var(--ink-muted);
}
.site-footer .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---- Newsletter box ---- */
.newsletter-box {
  border: 1px solid var(--rule);
  padding: 28px;
  margin: 40px 0;
  background: var(--paper-raised);
}
.newsletter-box h3 { margin-bottom: 6px; }
.newsletter-box p { color: var(--ink-muted); font-size: 0.94rem; margin-bottom: 16px; }
.newsletter-form { display: flex; gap: 10px; flex-wrap: wrap; }
.newsletter-form input[type="email"] {
  flex: 1 1 220px;
  padding: 11px 14px;
  border: 1px solid var(--rule);
  background: var(--paper);
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 0.95rem;
  color: var(--ink);
}
.newsletter-form input[type="email"]:focus { outline: 2px solid var(--ink); outline-offset: 1px; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }