:root {
  --bg: #0a0a0c;
  --bg-soft: #131317;
  --bg-card: #17171c;
  --border: #26262e;
  --text: #e6e6ea;
  --text-dim: #9a9aa6;
  --text-faint: #6c6c78;
  --accent: #818cf8;
  --accent-bright: #a5b4fc;
  --green: #34d399;
  --amber: #fbbf24;
  --red: #f87171;
  --mono: ui-monospace, "Cascadia Code", "JetBrains Mono", Consolas, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(129, 140, 248, 0.35); }

/* ---------- sidebar ---------- */

#sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 250px;
  height: 100vh;
  overflow-y: auto;
  padding: 28px 16px 40px;
  border-right: 1px solid var(--border);
  background: var(--bg-soft);
}

.brand {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  padding: 0 10px;
}

.tagline {
  margin: 2px 0 20px;
  padding: 0 10px;
  font-size: 12px;
  color: var(--text-faint);
}

#sidebar a {
  display: block;
  padding: 6px 10px;
  margin-bottom: 1px;
  border-radius: 6px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13.5px;
  transition: background 0.12s, color 0.12s;
}

#sidebar a:hover { background: #1e1e25; color: var(--text); }

#sidebar a.active {
  background: rgba(129, 140, 248, 0.13);
  color: var(--accent-bright);
  font-weight: 500;
}

#sidebar a.highlight { color: var(--amber); }
#sidebar a.highlight:hover { color: #fcd34d; }

.nav-toggle {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 60;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-soft);
  color: var(--text);
  font-size: 16px;
  cursor: pointer;
}

/* ---------- layout ---------- */

main {
  max-width: 860px;
  margin-left: 250px;
  padding: 56px 44px 100px;
}

.hero { margin-bottom: 56px; }

.hero h1 {
  margin: 0;
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(100deg, #c7d2fe, #818cf8 55%, #6ee7b7);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  margin: 14px 0 26px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-dim);
  max-width: 68ch;
}

.flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-soft);
  font-family: var(--mono);
  font-size: 12.5px;
}

.flow span {
  padding: 4px 10px;
  border-radius: 6px;
  background: #1f1f27;
  color: var(--text-dim);
}

.flow span.live {
  background: rgba(52, 211, 153, 0.14);
  color: var(--green);
  font-weight: 600;
}

.flow i { color: var(--text-faint); font-style: normal; }

section {
  padding-top: 26px;
  margin-bottom: 44px;
  scroll-margin-top: 20px;
}

h2 {
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  font-size: 25px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h3 {
  margin: 28px 0 10px;
  font-size: 16.5px;
  font-weight: 650;
  color: var(--accent-bright);
}

h4 { margin: 0 0 6px; font-size: 14.5px; font-weight: 650; }

p { margin: 0 0 14px; }

a { color: var(--accent); }

ul, ol { margin: 0 0 14px; padding-left: 22px; }
li { margin-bottom: 7px; }

/* ---------- code ---------- */

code {
  font-family: var(--mono);
  font-size: 0.875em;
  padding: 1.5px 5px;
  border-radius: 4px;
  background: #21212a;
  color: #c7d2fe;
}

pre {
  margin: 0 0 16px;
  padding: 16px 18px;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #0d0d11;
  line-height: 1.6;
}

pre code {
  padding: 0;
  background: none;
  color: #d4d4de;
  font-size: 12.8px;
  white-space: pre;
}

/* ---------- cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.card {
  padding: 15px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-card);
}

.card p { margin: 0; font-size: 13.5px; color: var(--text-dim); }

/* ---------- tables ---------- */

table {
  width: 100%;
  margin: 0 0 18px;
  border-collapse: collapse;
  font-size: 13.8px;
  display: block;
  overflow-x: auto;
}

th, td {
  padding: 9px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  color: var(--text-faint);
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

td { color: var(--text-dim); }
td:first-child { color: var(--text); white-space: nowrap; }
.trouble td:first-child { white-space: normal; min-width: 180px; }

/* ---------- callouts ---------- */

.callout {
  margin: 0 0 16px;
  padding: 14px 16px;
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  background: rgba(129, 140, 248, 0.08);
  font-size: 14px;
}

.callout.warn {
  border-left-color: var(--amber);
  background: rgba(251, 191, 36, 0.08);
}

.note {
  font-size: 13.5px;
  color: var(--text-dim);
  padding-left: 12px;
  border-left: 2px solid var(--border);
}

/* ---------- steps ---------- */

.steps { counter-reset: step; list-style: none; padding-left: 0; }

.steps li {
  position: relative;
  margin-bottom: 11px;
  padding: 11px 14px 11px 46px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--bg-card);
  font-size: 14px;
  color: var(--text-dim);
}

.steps li b { color: var(--text); }

.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 13px;
  top: 11px;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: rgba(129, 140, 248, 0.16);
  color: var(--accent-bright);
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 700;
  display: grid;
  place-items: center;
}

/* ---------- precedence ---------- */

.precedence {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 10px;
  margin-bottom: 16px;
}

.precedence > div {
  flex: 1 1 170px;
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-card);
}

.precedence > div p { margin: 7px 0 0; font-size: 12.8px; color: var(--text-dim); }

.precedence > i {
  align-self: center;
  font-style: normal;
  font-size: 11.5px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.badge {
  display: inline-block;
  padding: 2.5px 9px;
  border-radius: 5px;
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
}

.badge.ui { background: rgba(129, 140, 248, 0.18); color: var(--accent-bright); }
.badge.yml { background: rgba(251, 191, 36, 0.16); color: var(--amber); }
.badge.auto { background: #262630; color: var(--text-dim); }

/* ---------- prompt box ---------- */

.prompt-box {
  position: relative;
  margin-bottom: 22px;
  border: 1px solid rgba(251, 191, 36, 0.32);
  border-radius: 12px;
  background: #0d0d11;
  overflow: hidden;
}

.prompt-box pre {
  margin: 0;
  border: none;
  border-radius: 0;
  max-height: 560px;
  overflow-y: auto;
  padding: 20px;
}

.prompt-box pre code { font-size: 12.4px; white-space: pre-wrap; }

.copy-btn {
  position: absolute;
  top: 11px;
  right: 11px;
  z-index: 2;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: #1d1d25;
  color: var(--text);
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.copy-btn:hover { background: #2a2a34; }
.copy-btn.copied { background: rgba(52, 211, 153, 0.18); color: var(--green); border-color: transparent; }

.pipeline {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--bg-soft);
  font-size: 13px;
}

footer {
  margin-top: 60px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-faint);
}

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  .nav-toggle { display: block; }

  #sidebar {
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    z-index: 50;
    width: 240px;
  }

  #sidebar.open { transform: translateX(0); }

  main { margin-left: 0; padding: 64px 20px 80px; }

  .hero h1 { font-size: 33px; }
  .lead { font-size: 15.5px; }
  h2 { font-size: 21px; }
  .precedence > i { display: none; }
}