/* ============================================================
   Playbooks — library index + playbook detail (split layout)
   Uses terminal.css tokens. 2026-09.
   ============================================================ */

/* ---------- shared ---------- */
.pb-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 10px;
}

/* ---------- detail: split layout ---------- */
.pb-split {
  display: grid;
  grid-template-columns: minmax(0, 46%) minmax(0, 54%);
  min-height: 100vh;
  padding-top: 72px;
}

.pb-left {
  padding: 48px clamp(24px, 5vw, 72px) 80px;
  max-width: 720px;
}

.pb-right {
  position: relative;
  border-left: 1px solid var(--border-default);
  background:
    radial-gradient(circle, rgba(74, 158, 206, 0.07) 1px, transparent 1px) 0 0 / 26px 26px,
    var(--bg-deep);
}
.pb-right-sticky {
  position: sticky;
  top: 72px;
  height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.pb-right-sticky svg {
  max-height: 100%;
  max-width: 100%;
  height: auto;
  width: auto;
}

.pb-back {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-secondary);
  text-decoration: none;
}
.pb-back:hover { color: var(--accent-blue); }

.pb-title {
  font-size: clamp(30px, 3.4vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  margin: 18px 0 14px;
}

.pb-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 26px;
}
.pb-chip {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  background: var(--bg-card);
}
.pb-chip--green  { color: var(--accent-green);  border-color: rgba(152, 195, 121, 0.4); }
.pb-chip--amber  { color: var(--accent-amber);  border-color: rgba(229, 192, 123, 0.4); }
.pb-chip--purple { color: var(--accent-purple); border-color: rgba(198, 120, 221, 0.4); }
.pb-chip--coral  { color: var(--accent-coral);  border-color: rgba(224, 108, 117, 0.4); }
.pb-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  margin-left: auto;
}

.pb-tools { margin: 0 0 28px; }
.pb-tools .pb-chip { margin: 0 6px 8px 0; display: inline-block; }

/* kit gate bar */
.pb-kit {
  border: 1px solid var(--border-accent);
  background: var(--bg-surface);
  border-radius: var(--radius);
  padding: 18px;
  margin: 0 0 30px;
  box-shadow: var(--glow-sm);
}
.pb-kit-row { display: flex; gap: 10px; }
.pb-kit input[type="email"] {
  flex: 1;
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid var(--border-default);
  border-radius: 8px;
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
}
.pb-kit input[type="email"]:focus { outline: 2px solid var(--accent-blue); outline-offset: 1px; }
.pb-kit select {
  width: 100%;
  margin-top: 10px;
  padding: 11px 14px;
  border: 1px solid var(--border-default);
  border-radius: 8px;
  background: var(--bg-deep);
  color: var(--text-secondary);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
}
.pb-kit button {
  white-space: nowrap;
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  background: var(--accent-blue);
  color: #0d1117;
  font-weight: 700;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  cursor: pointer;
}
.pb-kit button:hover { background: #5ab0de; }
.pb-kit-consent { font-size: 12px; color: var(--text-muted); margin: 10px 0 0; }
.pb-kit-list { margin: 0 0 12px; padding-left: 18px; color: var(--text-secondary); font-size: 14px; }
.pb-kit-list li { margin: 3px 0; }

.pb-lede { font-size: 17px; line-height: 1.65; color: var(--text-primary); margin: 0 0 8px; }
.pb-lede-sub { font-size: 14px; color: var(--text-secondary); margin: 0 0 34px; }

.pb-quote {
  border-left: 3px solid var(--accent-blue);
  margin: 0 0 34px;
  padding: 8px 0 8px 18px;
  color: var(--text-secondary);
  font-style: italic;
}
.pb-quote cite { display: block; margin-top: 6px; font-style: normal; font-size: 12px; color: var(--text-muted); }

/* how-it-works accordion */
.pb-steps { margin: 0 0 40px; }
.pb-step {
  border: 1px solid var(--border-default);
  border-radius: 10px;
  background: var(--bg-surface);
  margin: 0 0 10px;
  overflow: hidden;
}
.pb-step[open] { border-color: var(--border-accent); }
.pb-step summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  cursor: pointer;
  list-style: none;
  padding: 15px 18px;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 15.5px;
}
.pb-step summary::-webkit-details-marker { display: none; }
.pb-step summary:focus-visible { outline: 2px solid var(--accent-blue); outline-offset: -2px; }
.pb-step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--accent-blue);
}
.pb-step summary::after {
  content: '+';
  margin-left: auto;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-muted);
}
.pb-step[open] summary::after { content: '\2212'; }
.pb-step-body { padding: 2px 18px 18px 44px; }
.pb-step-body p { font-size: 14.5px; line-height: 1.7; color: var(--text-secondary); margin: 0 0 12px; }
.pb-step-body ul { margin: 0 0 12px; padding-left: 18px; color: var(--text-secondary); font-size: 14.5px; line-height: 1.7; }
.pb-step-body strong { color: var(--text-primary); }
.pb-step-body em { color: var(--text-muted); }
.pb-step-body pre {
  background: var(--bg-deep);
  border: 1px solid var(--border-default);
  border-radius: 8px;
  padding: 14px;
  overflow-x: auto;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* faq + closer reuse post-body styles via .post-body on the wrapper */
.pb-left .post-body h2 { margin-top: 44px; }

/* mobile diagram hero */
.pb-diagram-mobile { display: none; }

@media (max-width: 980px) {
  .pb-split { display: block; padding-top: 64px; }
  .pb-right { display: none; }
  .pb-diagram-mobile {
    display: block;
    border-bottom: 1px solid var(--border-default);
    background: var(--bg-deep);
    padding: 12px;
  }
  .pb-diagram-mobile svg { width: 100%; height: auto; max-height: 70vh; }
  .pb-left { padding: 32px 20px 60px; }
  .pb-kit-row { flex-direction: column; }
}

/* ---------- index ---------- */
.pb-index {
  max-width: 1180px;
  margin: 0 auto;
  padding: 130px 24px 80px;
}
.pb-index-head { max-width: 640px; margin-bottom: 14px; }
.pb-index-title {
  font-size: clamp(32px, 4vw, 48px);
  letter-spacing: -0.5px;
  color: var(--text-primary);
  margin: 0 0 12px;
}
.pb-index-sub { color: var(--text-secondary); font-size: 16px; line-height: 1.6; margin: 0 0 8px; }
.pb-cats { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 34px; }

.pb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 22px;
}
.pb-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
  background: var(--bg-surface);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
a.pb-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-accent);
  box-shadow: var(--glow-md);
}
.pb-card-viz {
  aspect-ratio: 4 / 3.4;
  overflow: hidden;
  background: var(--bg-deep);
  border-bottom: 1px solid var(--border-default);
}
.pb-card-viz img { width: 100%; height: 100%; object-fit: cover; object-position: top; display: block; }
.pb-card-body { padding: 18px 18px 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.pb-card-body h3 { margin: 0; font-size: 17px; line-height: 1.35; color: var(--text-primary); }
.pb-card-body p { margin: 0; font-size: 13.5px; line-height: 1.6; color: var(--text-secondary); flex: 1; }
.pb-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}
.pb-card-meta .pb-date { margin-left: auto; }
.pb-card--soon { opacity: 0.55; }
.pb-card--soon .pb-card-viz {
  display: flex; align-items: center; justify-content: center;
  font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--text-muted);
  letter-spacing: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .pb-card, .pb-card:hover { transition: none; transform: none; }
  .pb-right-sticky svg animateMotion { display: none; }
}

/* ---------- related playbooks + bottom CTA band ---------- */
.pb-related {
  border-top: 1px solid var(--border-default);
  padding: 70px 24px;
  max-width: 1180px;
  margin: 0 auto;
}
.pb-related-head { text-align: center; margin-bottom: 34px; }
.pb-related-head h2 { font-size: clamp(26px, 3vw, 36px); color: var(--text-primary); margin: 0; letter-spacing: -0.4px; }
.pb-related .pb-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 380px)); justify-content: center; }
.pb-related-more { text-align: center; margin-top: 36px; }

.pb-cta {
  border-top: 1px solid var(--border-default);
  background:
    radial-gradient(ellipse 70% 90% at 50% 110%, rgba(74, 158, 206, 0.14) 0%, transparent 70%),
    var(--bg-deep);
  text-align: center;
  padding: 100px 24px 110px;
}
.pb-cta h2 {
  font-size: clamp(30px, 4vw, 46px);
  color: var(--text-primary);
  letter-spacing: -0.5px;
  margin: 0 0 14px;
}
.pb-cta p {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.65;
  max-width: 560px;
  margin: 0 auto 30px;
}
.pb-cta .btn-primary {
  font-size: 16px;
  padding: 15px 34px;
  box-shadow: var(--glow-md);
}

/* ---------- service filter (index) ---------- */
button.pb-filter { cursor: pointer; background: var(--bg-card); }
button.pb-filter:hover { border-color: var(--border-accent); color: var(--text-primary); }
button.pb-filter.is-active { color: var(--accent-blue); border-color: var(--accent-blue); }
button.pb-filter:focus-visible { outline: 2px solid var(--accent-blue); outline-offset: 2px; }
.pb-hidden { display: none; }
.pb-empty { font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--text-muted); padding: 40px 0; text-align: center; }

/* ---------- diagram focus (opening a step illuminates its part) ---------- */
.pb-right-sticky svg .dx { transition: opacity .18s ease; }
.pb-right-sticky svg.is-focused .dx { opacity: .28; }
.pb-right-sticky svg.is-focused .dx.is-on { opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  .pb-right-sticky svg .dx { transition: none; }
}