/* PowerStack Labs — one stylesheet for the whole domain.
   Deliberately plain: system fonts, one accent, no decoration that dates.  */

:root {
  --bg: #ffffff;
  --panel: #f7f7f8;
  --border: #e2e2e5;
  --text: #17171a;
  --dim: #55555e;
  --faint: #86868f;
  --accent: #1f5eff;
  --max: 760px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* ---------- header ---------- */

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.logo {
  color: var(--text);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  letter-spacing: -0.2px;
}

.site-nav a {
  color: var(--dim);
  text-decoration: none;
  font-size: 15px;
  margin-left: 20px;
}

.site-nav a:hover { color: var(--text); }

/* ---------- content ---------- */

main { padding: 44px 0 72px; }

h1 {
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin: 0 0 12px;
}

h2 {
  font-size: 19px;
  letter-spacing: -0.2px;
  margin: 40px 0 10px;
}

h3 { font-size: 16px; margin: 26px 0 6px; }

p, li { color: var(--dim); }
li { margin-bottom: 6px; }
strong { color: var(--text); font-weight: 600; }
a { color: var(--accent); }

.lede { font-size: 18px; line-height: 1.6; }
.updated { color: var(--faint); font-size: 14px; margin: 0 0 4px; }

.eyebrow {
  color: var(--faint);
  font-size: 12px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  margin: 0 0 10px;
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 44px 0;
}

/* ---------- components ---------- */

.card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 22px;
  margin: 18px 0;
}

.card h3 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }

.note {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px;
  margin: 22px 0;
}

.note p:first-child { margin-top: 0; }
.note p:last-child { margin-bottom: 0; }

.tag {
  display: inline-block;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 12px;
  color: var(--faint);
  margin-right: 6px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 15px;
  display: block;
  overflow-x: auto;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
}

td { color: var(--dim); }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: var(--panel);
  border-radius: 3px;
  padding: 1px 5px;
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 26px 0 40px;
  font-size: 14px;
  color: var(--faint);
}

.site-footer a { color: var(--dim); text-decoration: none; margin-right: 18px; }
.site-footer a:hover { color: var(--text); }
.site-footer .copy { margin: 14px 0 0; font-size: 13px; color: var(--faint); }

@media (max-width: 520px) {
  h1 { font-size: 25px; }
  .site-nav a { margin: 0 16px 0 0; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131316;
    --panel: #1b1b1f;
    --border: #2c2c32;
    --text: #f2f2f4;
    --dim: #a8a8b2;
    --faint: #7c7c86;
    --accent: #6f9bff;
  }
}