/* ============================================================
   avons.github.io — guide styles (SPA chapter reader)
   assets/guide.css · v1.0
   ============================================================ */

/* ── Guide-specific colour tokens ── */
:root {
  --guide-ink:          #1a1a2e;
  --guide-ink-light:    #4a4a6a;
  --guide-ink-faint:    #8888aa;
  --guide-paper:        #faf9f6;
  --guide-paper-warm:   #f4f1ea;
  --guide-accent:       #c0392b;
  --guide-nav-bg:       #1a1a2e;
  --guide-nav-text:     #faf9f6;
  --guide-rule:         #d8d4cb;

  /* Callout — green */
  --guide-callout-bg:     #eef4f0;
  --guide-callout-border: #4a9068;
  --guide-callout-text:   #1d3d2a;
}

html.dark body {
  --guide-ink:          #e0e0e0;
  --guide-ink-light:    #b0b0b0;
  --guide-ink-faint:    #888888;
  --guide-paper:        #1a1a1a;
  --guide-paper-warm:   #242424;
  --guide-accent:       #e05a4a;
  --guide-nav-bg:       #121212;
  --guide-nav-text:     #e0e0e0;
  --guide-rule:         #333333;

  --guide-callout-bg:     #1a241e;
  --guide-callout-border: #5aaa7a;
  --guide-callout-text:   #c8e8d4;
}

/* ── Guide body ── */
body {
  font-family: 'Source Sans 3', 'Lora', Georgia, serif;
  font-weight: 300;
  background: var(--guide-paper);
  color: var(--guide-ink);
  line-height: 1.75;
  font-size: 17px;
}

guide-header {
  display: block;
  position: sticky;
  top: 0;
  z-index: 1000;
}

/* ── Guide nav bar ── */
.guide-nav {
  background: var(--guide-nav-bg);
  color: var(--guide-nav-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  height: 60px;
  border-bottom: 2px solid var(--guide-accent);
}

.guide-nav-left, .guide-nav-right {
  display: flex;
  align-items: center;
  flex: 1;
}

.guide-nav-center {
  flex: 2;
  text-align: center;
  overflow: hidden;
}

.guide-nav-right {
  justify-content: flex-end;
  gap: 12px;
}

.guide-logo-link {
  display: flex;
  align-items: center;
  transition: opacity 0.15s;
}
.guide-logo-link:hover { opacity: 0.7; }
.guide-logo-img {
  height: 32px;
  width: auto;
}

.guide-nav-cluster {
  display: flex;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 4px;
  overflow: hidden;
}

.guide-icon-btn {
  background: none;
  border: none;
  border-right: 1px solid rgba(255,255,255,0.15);
  color: var(--guide-nav-text);
  padding: 6px 14px;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}
.guide-icon-btn:last-child { border-right: none; }
.guide-icon-btn:hover {
  background: rgba(255,255,255,0.1);
}
.guide-icon-btn:disabled, .guide-icon-btn[aria-disabled="true"] {
  opacity: 0.2;
  pointer-events: none;
}

.guide-nav-divider {
  width: 1px;
  height: 20px;
  background: rgba(255,255,255,0.15);
}

.guide-nav-title {
  font-family: 'Lora', Georgia, serif;
  font-style: italic;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.65);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Dark mode toggle inside guide nav — override site default */
.guide-theme-toggle {
  background: none !important;
  border: 1px solid rgba(255,255,255,0.15) !important;
  border-radius: 4px !important;
  color: var(--guide-nav-text) !important;
  font-size: 1.1rem !important;
  width: 38px;
  height: 34px;
  padding: 0 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.guide-theme-toggle:hover {
  background: rgba(255,255,255,0.1) !important;
}

/* ── Guide page layout ── */
.guide-page {
  display: none;
  max-width: 780px;
  margin: 0 auto;
  padding: 4rem 2.5rem 6rem;
  min-height: calc(100vh - 52px);
}

.guide-page.active { display: block; }

/* ── Table of Contents ── */
.toc-header {
  text-align: center;
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--guide-rule);
  margin-bottom: 3rem;
}

.toc-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--guide-accent);
  margin-bottom: 1rem;
}

.toc-header h1 {
  font-family: 'Lora', Georgia, serif;
  font-size: 2.6rem;
  font-weight: 600;
  color: var(--guide-ink);
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.toc-header .subtitle {
  font-family: 'Lora', Georgia, serif;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--guide-ink-light);
}

.toc-part { margin-bottom: 2.5rem; }

.toc-part-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--guide-ink-faint);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--guide-rule);
}

.toc-item {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.55rem 0.5rem;
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.15s;
}
.toc-item:hover { background: var(--guide-paper-warm); }

.toc-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--guide-accent);
  min-width: 28px;
  font-weight: 400;
}

.toc-name {
  font-family: 'Lora', Georgia, serif;
  font-size: 1rem;
  color: var(--guide-ink);
  flex: 1;
}
.toc-item:hover .toc-name { color: var(--guide-accent); }

.toc-dots {
  flex: 1;
  border-bottom: 1px dotted var(--guide-rule);
  margin: 0 0.5rem;
  min-width: 20px;
}

/* ── Chapter elements ── */
.chapter-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--guide-accent);
  margin-bottom: 0.75rem;
}

.chapter-number {
  font-family: 'Lora', Georgia, serif;
  font-size: 5rem;
  font-weight: 600;
  color: var(--guide-accent);
  opacity: 0.12;
  line-height: 1;
  margin-bottom: -1.5rem;
  display: block;
}

h1.chapter-title {
  font-family: 'Lora', Georgia, serif;
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--guide-ink);
  line-height: 1.25;
  margin-bottom: 0.5rem;
}

.chapter-intro {
  font-family: 'Lora', Georgia, serif;
  font-style: italic;
  font-size: 1.05rem;
  color: var(--guide-ink-light);
  border-left: 3px solid var(--guide-accent);
  padding-left: 1.25rem;
  margin: 1.75rem 0 2.25rem;
  line-height: 1.65;
}

/* ── Guide typography ── */
.guide-page h2 {
  font-family: 'Lora', Georgia, serif;
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--guide-ink);
  margin: 2.75rem 0 0.9rem;
  padding-top: 0.5rem;
}

.guide-page h3 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--guide-ink-light);
  margin: 2rem 0 0.6rem;
}

.guide-page p {
  margin-bottom: 1.2rem;
  color: var(--guide-ink);
}

/* ── Part header banner ── */
.part-header {
  background: #1e1e38;
  color: #f0efe8;
  border-radius: 6px;
  padding: 2rem 2.5rem;
  margin-bottom: 3rem;
}

.part-header .part-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--guide-accent);
  margin-bottom: 0.5rem;
}

.part-header h2 {
  font-family: 'Lora', Georgia, serif !important;
  font-size: 1.6rem !important;
  font-weight: 600 !important;
  color: #ffffff !important;
  margin: 0 0 0.5rem !important;
  padding: 0 !important;
}

.part-header p {
  color: #c8c6d8;
  font-size: 0.95rem;
  margin: 0;
  font-style: italic;
}

/* ── Callout boxes (guide version) ── */
.guide-page .callout {
  background: var(--guide-callout-bg);
  border-left: 4px solid var(--guide-callout-border);
  border-radius: 0 6px 6px 0;
  padding: 1.1rem 1.4rem;
  margin: 1.75rem 0;
}

.guide-page .callout-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--guide-callout-border);
  margin-bottom: 0.4rem;
}

.guide-page .callout p {
  font-family: 'Lora', Georgia, serif;
  font-size: 0.95rem;
  color: var(--guide-callout-text);
  margin: 0;
  line-height: 1.65;
}

.guide-page .callout strong {
  font-weight: 600;
  color: var(--guide-callout-border);
}

/* ── Diagrams ── */
.diagram-wrap {
  margin: 2.5rem 0;
  text-align: center;
}

.diagram-caption {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--guide-ink-faint);
  margin-top: 0.75rem;
  font-style: italic;
}

svg.diagram {
  max-width: 100%;
  height: auto;
}

/* ── Section divider ── */
.section-rule {
  border: none;
  border-top: 1px solid var(--guide-rule);
  margin: 2.5rem 0;
}

/* ── Glossary ── */
.glossary-entry {
  padding: 1rem 0;
  border-bottom: 1px solid var(--guide-rule);
}

.glossary-term {
  font-family: 'Lora', Georgia, serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--guide-ink);
  margin-bottom: 0.25rem;
}

.glossary-def {
  font-size: 0.95rem;
  color: var(--guide-ink-light);
  margin: 0;
}

/* ── Agent grid (BMAD) ── */
.agent-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.75rem 0;
}

.agent-card {
  border: 1.5px solid var(--guide-rule);
  border-radius: 8px;
  padding: 1rem 1.2rem;
  background: var(--guide-paper-warm);
}

.agent-role {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--guide-accent);
  margin-bottom: 0.3rem;
}

.agent-name {
  font-family: 'Lora', Georgia, serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--guide-ink);
  margin-bottom: 0.4rem;
}

.agent-desc {
  font-size: 0.88rem;
  color: var(--guide-ink-light);
  line-height: 1.55;
  margin: 0;
}

/* ── Artefact list (BMAD) ── */
.artefact-list { margin: 1rem 0 1.5rem; }

.artefact-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--guide-rule);
}

.artefact-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  background: var(--guide-nav-bg);
  color: var(--guide-nav-text);
  padding: 2px 8px;
  border-radius: 3px;
  white-space: nowrap;
  margin-top: 3px;
  flex-shrink: 0;
}

.artefact-text {
  font-size: 0.95rem;
  color: var(--guide-ink-light);
}

.artefact-text strong {
  color: var(--guide-ink);
  font-weight: 600;
}

/* ── Stat block (Attractor) ── */
.stat-block {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
  margin: 1.75rem 0;
}

.stat-card {
  text-align: center;
  padding: 1.2rem;
  background: #1e1e38;
  border-radius: 8px;
}

.stat-num {
  font-family: 'Lora', Georgia, serif;
  font-size: 2rem;
  font-weight: 600;
  color: var(--guide-accent);
  display: block;
  line-height: 1;
}

.stat-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: rgba(255,255,255,0.7);
  margin-top: 0.4rem;
  display: block;
}

/* ── Pattern block (Attractor) ── */
.pattern-block {
  border: 1.5px solid var(--guide-rule);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  background: var(--guide-paper-warm);
}

.pattern-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--guide-accent);
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 0.3rem;
}

.pattern-name {
  font-family: 'Lora', Georgia, serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--guide-ink);
  margin-bottom: 0.5rem;
}

.pattern-desc {
  font-size: 0.95rem;
  color: var(--guide-ink-light);
  margin: 0;
  line-height: 1.6;
}

/* ── Code inline ── */
.guide-page code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85em;
  background: var(--guide-paper-warm);
  border: 1px solid var(--guide-rule);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--guide-accent);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .guide-page       { padding: 2rem 1.25rem 4rem; }
  h1.chapter-title  { font-size: 1.7rem; }
  .toc-header h1    { font-size: 1.9rem; }
  .guide-nav        { padding: 0 1rem; }
  .guide-nav-title  { display: none; }
  .agent-grid       { grid-template-columns: 1fr; }
  .stat-block       { grid-template-columns: 1fr; }
}