/* mcpdevlabs — public site (landing + guides). No external assets: the CSP allows 'self' only. */
:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --ink: #14171c;
  --muted: #586070;
  --line: #dfe3e9;
  --accent: #0b7a64;
  --accent-soft: #e3f3ef;
  --accent-ink: #ffffff;
  --code-bg: #10141a;
  --code-ink: #e5e9ef;
  --code-dim: #7d8898;
  --inline-code-bg: #eceff3;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1014;
    --surface: #141820;
    --ink: #e6e9ee;
    --muted: #98a1b0;
    --line: #242a34;
    --accent: #37c6a1;
    --accent-soft: #10302a;
    --accent-ink: #062019;
    --code-bg: #090b0f;
    --code-ink: #e5e9ef;
    --code-dim: #6d7787;
    --inline-code-bg: #1d222c;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  padding-inline: 20px;
}
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
code, pre, .mark, .prompt { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; }

/* ── top bar ─────────────────────────────────────────────── */
.top {
  max-width: 980px; margin: 0 auto; padding-block: 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.mark { color: var(--ink); text-decoration: none; font-weight: 700; letter-spacing: -0.02em; font-size: 17px; }
.mark::before { content: "▍"; color: var(--accent); margin-right: 2px; }
.top nav { display: flex; gap: 20px; }
.top nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
.top nav a:hover { color: var(--ink); }

/* ── landing ─────────────────────────────────────────────── */
.landing { max-width: 980px; margin: 0 auto; }
.hero { padding-block: 48px 40px; max-width: 760px; }
.eyebrow { margin: 0 0 12px; color: var(--accent); font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; }
.hero h1 { margin: 0; font-size: clamp(30px, 5vw, 46px); line-height: 1.12; letter-spacing: -0.025em; text-wrap: balance; }
.lede { margin: 20px 0 28px; font-size: 18px; color: var(--muted); max-width: 64ch; }

.cmd {
  display: flex; align-items: center; gap: 12px;
  background: var(--code-bg); color: var(--code-ink);
  border-radius: 10px; padding: 14px 14px 14px 18px;
  overflow-x: auto;
}
.cmd code { white-space: nowrap; font-size: 15px; flex: 1; }
.prompt { color: var(--code-dim); user-select: none; }
.hint { margin: 12px 0 0; font-size: 14px; color: var(--muted); }

button.copy {
  flex: none; font: inherit; font-size: 13px; cursor: pointer;
  padding: 6px 12px; border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.18); background: rgba(255, 255, 255, 0.06); color: var(--code-ink);
}
button.copy:hover { background: rgba(255, 255, 255, 0.14); }

.landing h2 { font-size: 20px; letter-spacing: -0.01em; margin: 0 0 16px; }
.landing section + section { border-top: 1px solid var(--line); padding-block: 40px; }

.steps ol { list-style: none; margin: 0; padding: 0; counter-reset: step;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.steps li { counter-increment: step; }
.steps li::before {
  content: counter(step); display: inline-grid; place-items: center;
  width: 28px; height: 28px; border-radius: 50%; margin-bottom: 12px;
  background: var(--accent-soft); color: var(--accent); font-weight: 700; font-size: 14px;
}
.steps h2 { margin-bottom: 6px; font-size: 18px; }
.steps p { margin: 0 0 8px; color: var(--muted); font-size: 15px; }
.steps a { font-size: 15px; font-weight: 600; }

.sources dl { margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.sources dl > div { background: var(--surface); padding: 16px; }
.sources dt { font-weight: 600; }
.sources dd { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.also { margin: 16px 0 0; color: var(--muted); font-size: 15px; }

.trust p { margin: 0; max-width: 70ch; color: var(--muted); }
.trust strong { color: var(--ink); font-weight: 600; }

.guides ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px 32px; }
.guides li { display: flex; flex-direction: column; padding-block: 10px; border-bottom: 1px solid var(--line); }
.guides li a { font-weight: 600; text-decoration: none; }
.guides li a:hover { text-decoration: underline; }
.guides li span { color: var(--muted); font-size: 14px; }

/* ── guides (rendered markdown) ──────────────────────────── */
.doc {
  max-width: 760px; margin: 0 auto 40px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  padding: 40px clamp(20px, 5vw, 48px);
}
.doc > :first-child { margin-top: 0; }
.doc h1 { font-size: clamp(26px, 4vw, 34px); line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 20px; text-wrap: balance; }
.doc h2 { font-size: 21px; letter-spacing: -0.01em; margin: 36px 0 12px; padding-top: 20px; border-top: 1px solid var(--line); }
.doc h3 { font-size: 17px; margin: 28px 0 8px; }
.doc p, .doc li { max-width: 68ch; }
.doc ul, .doc ol { padding-left: 22px; }
.doc li { margin: 4px 0; }
.doc li > input[type="checkbox"] { margin: 0 8px 0 -2px; accent-color: var(--accent); transform: translateY(1px); }
.doc ul:has(> li > input[type="checkbox"]) { list-style: none; padding-left: 4px; }
.doc blockquote { margin: 16px 0; padding: 10px 16px; border-left: 3px solid var(--accent); background: var(--accent-soft); border-radius: 0 8px 8px 0; }
.doc blockquote p { margin: 4px 0; }
.doc hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0; }
.doc :not(pre) > code { background: var(--inline-code-bg); padding: 1px 6px; border-radius: 5px; font-size: 0.88em; overflow-wrap: anywhere; }

.codewrap { position: relative; margin: 16px 0; }
.doc pre {
  margin: 0; background: var(--code-bg); color: var(--code-ink);
  border-radius: 10px; padding: 16px 18px; overflow-x: auto; font-size: 14px; line-height: 1.55;
}
.codewrap button.copy { position: absolute; top: 8px; right: 8px; }

.doc table { display: block; overflow-x: auto; border-collapse: collapse; margin: 16px 0; font-size: 15px; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 8px 12px; border-bottom: 1px solid var(--line); }
.doc th { font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); white-space: nowrap; }

/* ── footer ──────────────────────────────────────────────── */
.foot {
  max-width: 980px; margin: 0 auto; padding-block: 28px 40px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  color: var(--muted); font-size: 14px; border-top: 1px solid var(--line);
}
.doc + .foot { max-width: 760px; border-top: 0; padding-top: 0; }

@media (max-width: 820px) {
  .steps ol { grid-template-columns: 1fr; gap: 24px; }
  .sources dl { grid-template-columns: repeat(2, 1fr); }
  .guides ul { grid-template-columns: 1fr; }
}
@media (max-width: 440px) {
  .sources dl { grid-template-columns: 1fr; }
  .hero { padding-block: 28px 32px; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto; } }