/* ═══════════════════════════════════════════════════════════════════════
   MasGen CMMS Platform — User Manual & Training Stylesheet v1.0
   MasGen Innovations · May 2026
   Adapted from the CF SaaS Platform pattern
   ═══════════════════════════════════════════════════════════════════════ */

:root {
  --primary:      #7c3aed;   /* MasGen blue */
  --primary-dark: #6d28d9;
  --primary-light:#ede9fe;
  --primary-bg:   #f5f3ff;
  --accent:       #ea580c;   /* teal accent */
  --accent-dark:  #c2410c;
  --text:         #0f172a;
  --text-muted:   #475569;
  --border:       #cbd5e1;
  --white:        #ffffff;
  --radius:       10px;
}

*, *::before, *::after { box-sizing:border-box; margin:0; padding:0; }

body {
  font-family:'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  font-size:14px;
  line-height:1.65;
  color:var(--text);
  background:#f8fafc;
}

/* ── COVER ───────────────────────────────────────────────────────────────── */
.cover {
  min-height:100vh;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg, #0a1628 0%, #102a4c 40%, #4c1d95 100%);
  color:#fff;
  text-align:center;
  padding:40px;
  page-break-after:always;
}
.cover-logo {
  width:110px; height:110px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  border-radius:26px;
  display:flex; align-items:center; justify-content:center;
  font-size:54px; color:#fff;
  box-shadow:0 16px 56px rgba(37,99,235,.55);
  margin-bottom:32px;
  border:2px solid rgba(255,255,255,.18);
}
.cover-title {
  font-size:46px;
  font-weight:800;
  margin-bottom:12px;
  background:linear-gradient(135deg,#fff,#c4b5fd);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  letter-spacing:-1px;
}
.cover-sub {
  font-size:19px;
  color:rgba(255,255,255,0.85);
  margin-bottom:18px;
  font-weight:300;
}
.cover-meta {
  font-size:13px;
  color:rgba(255,255,255,0.55);
  letter-spacing:.5px;
}
.cover .v3-pill {
  display:inline-flex; align-items:center; gap:6px;
  background:rgba(255,255,255,.13);
  color:#c4b5fd;
  padding:7px 16px;
  border-radius:999px;
  font-size:11px;
  font-weight:700;
  margin-top:22px;
  letter-spacing:.6px;
  text-transform:uppercase;
  border:1px solid rgba(255,255,255,.2);
}

/* ── TABLE OF CONTENTS ───────────────────────────────────────────────────── */
.toc-page {
  max-width:880px;
  margin:0 auto;
  padding:60px 40px;
  page-break-after:always;
}
.toc-heading {
  font-size:28px;
  font-weight:800;
  color:var(--primary);
  margin-bottom:28px;
  padding-bottom:16px;
  border-bottom:3px solid var(--primary-light);
}
.toc-list {
  list-style:none;
  counter-reset:toc;
}
.toc-list li {
  counter-increment:toc;
  display:flex;
  align-items:center;
  gap:12px;
  padding:11px 18px;
  margin-bottom:5px;
  border-radius:8px;
  transition:background 0.15s;
  background:var(--white);
  border:1px solid #e2e8f0;
}
.toc-list li a {
  color:var(--text);
  text-decoration:none;
  font-weight:500;
  flex:1;
  font-size:14px;
}
.toc-list li::before {
  content:counter(toc, decimal-leading-zero);
  font-size:11px;
  font-weight:800;
  color:var(--primary);
  background:var(--primary-light);
  border-radius:6px;
  padding:3px 8px;
  min-width:36px;
  text-align:center;
}
.toc-badge {
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;
  font-size:9px;
  font-weight:700;
  padding:3px 8px;
  border-radius:20px;
  text-transform:uppercase;
  letter-spacing:.5px;
}
.toc-badge.new      { background:linear-gradient(135deg,#16a34a,#15803d); }
.toc-badge.updated  { background:linear-gradient(135deg,#f59e0b,#b45309); }
.toc-badge.locked   { background:linear-gradient(135deg,#64748b,#334155); }

/* ── SECTION ─────────────────────────────────────────────────────────────── */
.section {
  max-width:920px;
  margin:0 auto;
  padding:48px 40px;
  border-bottom:2px solid var(--border);
  page-break-before:always;
}
.section:last-of-type { border-bottom:none; }
.section p {
  color:var(--text-muted);
  margin-bottom:14px;
}
.section h3 {
  font-size:18px;
  font-weight:700;
  color:var(--text);
  margin:28px 0 12px;
}
.section h4 {
  font-size:15px;
  font-weight:700;
  color:var(--primary-dark);
  margin:20px 0 10px;
}

/* ── CHAPTER HEADER ──────────────────────────────────────────────────────── */
.ch-header {
  display:flex;
  align-items:center;
  gap:16px;
  margin-bottom:24px;
  padding-bottom:16px;
  border-bottom:3px solid var(--primary-light);
  flex-wrap:wrap;
}
.ch-num {
  font-size:14px;
  font-weight:800;
  color:#fff;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  border-radius:8px;
  padding:6px 12px;
  min-width:46px;
  text-align:center;
}
.ch-header h2 {
  font-size:28px;
  font-weight:800;
  color:var(--text);
  flex:1;
  letter-spacing:-.5px;
}
.ch-badge-new      { background:linear-gradient(135deg,#16a34a,#15803d); color:#fff; font-size:10px; font-weight:700; padding:4px 11px; border-radius:20px; text-transform:uppercase; letter-spacing:.5px; }
.ch-badge-updated  { background:linear-gradient(135deg,#f59e0b,#b45309); color:#fff; font-size:10px; font-weight:700; padding:4px 11px; border-radius:20px; text-transform:uppercase; letter-spacing:.5px; }
.ch-badge-locked   { background:linear-gradient(135deg,#64748b,#334155); color:#fff; font-size:10px; font-weight:700; padding:4px 11px; border-radius:20px; text-transform:uppercase; letter-spacing:.5px; }

/* ── INFO GRID (2-column cards) ─────────────────────────────────────────── */
.info-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  margin:20px 0;
}
.info-card {
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding:18px;
  background:var(--white);
  border-radius:var(--radius);
  border:1.5px solid var(--border);
  box-shadow:0 2px 8px rgba(37,99,235,.06);
}
.info-icon {
  width:48px; height:48px;
  flex-shrink:0;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  font-size:22px; color:#fff;
}
.info-icon.alt2 { background:linear-gradient(135deg,#ea580c,#7c2d12); }
.info-icon.alt3 { background:linear-gradient(135deg,#16a34a,#14532d); }
.info-icon.alt4 { background:linear-gradient(135deg,#f59e0b,#b45309); }
.info-body { flex:1; }
.info-title {
  font-size:15px;
  font-weight:700;
  color:var(--text);
  margin-bottom:5px;
}
.info-card p { font-size:13px; color:var(--text-muted); margin:0; }

/* ── FEATURE LIST ────────────────────────────────────────────────────────── */
.feature-list {
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:8px;
  margin:12px 0;
}
.feature-list li {
  display:flex;
  align-items:flex-start;
  gap:11px;
  padding:11px 16px;
  background:var(--white);
  border-radius:8px;
  border:1px solid var(--border);
}
.feature-list li i {
  color:var(--primary);
  font-size:14px;
  margin-top:2px;
  width:18px;
  text-align:center;
  flex-shrink:0;
}
.feature-list li span { font-size:13px; color:var(--text-muted); }

/* ── DATA TABLE ──────────────────────────────────────────────────────────── */
.data-table {
  width:100%;
  border-collapse:collapse;
  font-size:13px;
  margin:14px 0;
  background:var(--white);
  border-radius:var(--radius);
  overflow:hidden;
  border:1.5px solid var(--border);
  page-break-inside:avoid;
}
.data-table thead tr { background:linear-gradient(135deg,var(--primary),var(--primary-dark)); }
.data-table thead th {
  padding:11px 14px;
  text-align:left;
  color:#fff;
  font-weight:600;
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.4px;
}
.data-table tbody td {
  padding:10px 14px;
  border-bottom:1px solid #e2e8f0;
  color:var(--text-muted);
  vertical-align:top;
  font-size:12.5px;
}
.data-table tbody tr:last-child td { border-bottom:none; }
.data-table tbody tr:nth-child(even) td { background:#f8fafc; }
.data-table code {
  background:#ede9fe;
  color:#5b21b6;
  border-radius:4px;
  padding:1px 6px;
  font-size:11.5px;
  font-family:'Cascadia Code', Consolas, monospace;
}

/* ── SCREEN MOCK ─────────────────────────────────────────────────────────── */
.screen-mock {
  background:var(--white);
  border:1.5px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  margin:16px 0;
  box-shadow:0 4px 20px rgba(37,99,235,.1);
  page-break-inside:avoid;
}
.mock-bar {
  background:linear-gradient(90deg,var(--primary),var(--primary-dark));
  color:#fff;
  padding:11px 18px;
  font-size:12px;
  font-weight:600;
  display:flex;
  align-items:center;
  gap:8px;
  letter-spacing:.3px;
}
.mock-body {
  padding:18px 22px;
}
.mock-input {
  background:#f1f5f9;
  border:1px solid var(--border);
  border-radius:6px;
  padding:7px 11px;
  font-size:12px;
  color:var(--text-muted);
  min-height:32px;
  display:flex;
  align-items:center;
}
.mock-select {
  background:#f1f5f9;
  border:1px solid var(--border);
  border-radius:6px;
  padding:7px 11px;
  font-size:12px;
  color:var(--text-muted);
  min-height:32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.mock-field { margin-bottom:11px; }
.mock-field label {
  font-size:11px;
  font-weight:700;
  color:var(--text);
  display:block;
  margin-bottom:4px;
  text-transform:uppercase;
  letter-spacing:.3px;
}
.mock-table {
  width:100%;
  border-collapse:collapse;
  font-size:11.5px;
}
.mock-table thead tr { background:#1e293b; color:#fff; }
.mock-table thead th { padding:8px 10px; text-align:left; font-weight:600; }
.mock-table tbody tr:nth-child(even) { background:#f8fafc; }
.mock-table tbody td { padding:7px 10px; border-bottom:1px solid #e2e8f0; color:#334155; vertical-align:middle; }
.mock-badge {
  display:inline-flex;
  align-items:center;
  gap:3px;
  padding:2px 9px;
  border-radius:20px;
  font-size:10px;
  font-weight:700;
  white-space:nowrap;
}
.mock-badge-warning  { background:#fef3c7; color:#854d0e; }
.mock-badge-success  { background:#d1fae5; color:#065f46; }
.mock-badge-danger   { background:#fee2e2; color:#7f1d1d; }
.mock-badge-info     { background:#ede9fe; color:#5b21b6; }
.mock-badge-secondary{ background:#e2e8f0; color:#334155; }
.mock-badge-primary  { background:#ffedd5; color:#9a3412; }
.mock-btn {
  display:inline-flex;
  align-items:center;
  gap:5px;
  padding:6px 13px;
  border-radius:6px;
  font-size:11px;
  font-weight:600;
  cursor:default;
  white-space:nowrap;
}
.mock-btn-primary  { background:linear-gradient(135deg,var(--primary),var(--primary-dark)); color:#fff; }
.mock-btn-success  { background:linear-gradient(135deg,#16a34a,#15803d); color:#fff; }
.mock-btn-danger   { background:linear-gradient(135deg,#dc2626,#991b1b); color:#fff; }
.mock-btn-outline  { background:#fff; color:var(--primary); border:1.5px solid var(--primary); }

/* ── CALLOUTS ────────────────────────────────────────────────────────────── */
.callout {
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:14px 18px;
  border-radius:8px;
  font-size:13px;
  margin:14px 0;
  page-break-inside:avoid;
}
.callout i { font-size:18px; flex-shrink:0; margin-top:1px; }
.callout-info    { background:#f5f3ff; color:#4c1d95; border:1px solid #ddd6fe; }
.callout-info i  { color:#7c3aed; }
.callout-warning { background:#fef9c3; color:#713f12; border:1px solid #fde68a; }
.callout-warning i { color:#ca8a04; }
.callout-success { background:#dcfce7; color:#14532d; border:1px solid #bbf7d0; }
.callout-success i { color:#16a34a; }
.callout-danger  { background:#fee2e2; color:#7f1d1d; border:1px solid #fca5a5; }
.callout-danger i { color:#dc2626; }
.callout strong { font-weight:700; }

/* ── BADGE PILLS ─────────────────────────────────────────────────────────── */
.badge-pill {
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:3px 11px;
  border-radius:20px;
  font-size:11px;
  font-weight:700;
  white-space:nowrap;
}
.badge-active   { background:#d1fae5; color:#065f46; }
.badge-pending  { background:#fef3c7; color:#854d0e; }
.badge-inactive { background:#e2e8f0; color:#334155; }
.badge-rejected { background:#fee2e2; color:#7f1d1d; }
.badge-admin    { background:linear-gradient(135deg,var(--primary),var(--primary-dark)); color:#fff; }
.badge-client   { background:linear-gradient(135deg,#ea580c,#7c2d12); color:#fff; }
.badge-info-blue { background:#ede9fe; color:#5b21b6; }
.badge-warning   { background:#fef3c7; color:#854d0e; }
.badge-failed    { background:#fee2e2; color:#7f1d1d; }
.badge-grace     { background:#fef3c7; color:#854d0e; }
.badge-blocked   { background:#374151; color:#fff; }

/* ── CODE INLINE ─────────────────────────────────────────────────────────── */
code {
  background:#ede9fe;
  color:#5b21b6;
  border-radius:4px;
  padding:1px 6px;
  font-size:12px;
  font-family:'Cascadia Code', Consolas, 'Courier New', monospace;
}

/* ── STEPS (numbered ordered list) ───────────────────────────────────────── */
ol.steps {
  list-style:none;
  counter-reset:step;
  margin:14px 0;
}
ol.steps li {
  counter-increment:step;
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:11px 0;
  border-bottom:1px solid #e2e8f0;
  font-size:13px;
  color:var(--text-muted);
}
ol.steps li:last-child { border-bottom:none; }
ol.steps li::before {
  content:counter(step);
  font-size:12px;
  font-weight:700;
  color:#fff;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  border-radius:50%;
  width:26px;
  height:26px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  margin-top:0;
}

/* ── MATRIX-GRID (2-column comparison) ──────────────────────────────────── */
.matrix-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
  margin:16px 0;
}
.matrix-card {
  background:#fff;
  border:1.5px solid var(--border);
  border-radius:10px;
  padding:16px 18px;
}
.matrix-card.left  { border-left:4px solid #94a3b8; }
.matrix-card.right { border-left:4px solid var(--primary); }
.matrix-card h4 {
  font-size:15px;
  font-weight:700;
  margin-bottom:10px;
  display:flex; align-items:center; gap:8px;
  color:var(--text);
}
.matrix-card.right h4 { color:var(--primary); }
.matrix-card ul {
  list-style:none;
  font-size:12.5px;
  color:var(--text-muted);
  line-height:1.7;
}
.matrix-card ul li::before { content:"▸ "; color:var(--primary); font-weight:700; margin-right:4px; }

/* ── TIMELINE (state machine / pipeline visual) ─────────────────────────── */
.timeline-stages {
  display:grid;
  grid-template-columns:repeat(6, 1fr);
  gap:8px;
  margin:18px 0;
}
.timeline-stage {
  background:#f1f5f9;
  border:1.5px solid var(--border);
  border-radius:10px;
  padding:14px 8px;
  text-align:center;
  position:relative;
}
.timeline-stage .ts-icon {
  font-size:20px;
  margin-bottom:6px;
  display:block;
}
.timeline-stage .ts-label {
  font-size:11px;
  font-weight:700;
  color:var(--text);
}
.timeline-stage.start { background:#ede9fe; border-color:var(--primary); }
.timeline-stage.start .ts-icon { color:var(--primary); }
.timeline-stage.mid   { background:#fef3c7; border-color:#ca8a04; }
.timeline-stage.mid   .ts-icon { color:#ca8a04; }
.timeline-stage.end   { background:#d1fae5; border-color:#16a34a; }
.timeline-stage.end   .ts-icon { color:#16a34a; }
.timeline-stage.fail  { background:#fee2e2; border-color:#dc2626; }
.timeline-stage.fail  .ts-icon { color:#dc2626; }

/* ── KPI tiles ─────────────────────────────────────────────────────────── */
.kpi-row {
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:12px;
  margin:14px 0;
}
.kpi-tile {
  background:#0f172a;
  border-radius:10px;
  padding:14px 16px;
  text-align:left;
}
.kpi-tile .kpi-label { font-size:11px; color:#94a3b8; text-transform:uppercase; letter-spacing:.5px; }
.kpi-tile .kpi-value { font-size:22px; font-weight:800; color:#e2e8f0; margin-top:4px; }
.kpi-tile.green .kpi-value { color:#22c55e; }
.kpi-tile.red   .kpi-value { color:#ef4444; }
.kpi-tile.amber .kpi-value { color:#f59e0b; }
.kpi-tile.blue  .kpi-value { color:#a78bfa; }

/* ── TIPS BOX ────────────────────────────────────────────────────────── */
.tip-box {
  background:#fffbeb;
  border:1px solid #fde68a;
  border-left:4px solid #f59e0b;
  border-radius:8px;
  padding:13px 17px;
  margin:14px 0;
  font-size:13px;
  color:#713f12;
}
.tip-box strong { color:#713f12; font-weight:700; }

/* ── PRO TIP / NOTE ─────────────────────────────────────────────────────── */
.note-box {
  background:#f5f3ff;
  border-left:4px solid var(--primary);
  border-radius:8px;
  padding:13px 17px;
  margin:14px 0;
  font-size:13px;
  color:#4c1d95;
}

/* ── ROLE TAGS (admin/client/both) ──────────────────────────────────────── */
.role-tag {
  display:inline-flex; align-items:center; gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:10px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.5px;
}
.role-tag-admin  { background:linear-gradient(135deg,var(--primary),var(--primary-dark)); color:#fff; }
.role-tag-client { background:linear-gradient(135deg,#ea580c,#7c2d12); color:#fff; }
.role-tag-both   { background:linear-gradient(135deg,#16a34a,#15803d); color:#fff; }
.role-tag-tech   { background:linear-gradient(135deg,#f59e0b,#b45309); color:#fff; }

/* ── MODULE BANNER (training) ───────────────────────────────────────────── */
.module-banner {
  background:linear-gradient(135deg,#0a1628,#102a4c);
  color:#fff;
  border-radius:14px;
  padding:24px 28px;
  margin:32px 0 18px;
  page-break-before:always;
  page-break-inside:avoid;
}
.module-banner .mb-tag {
  display:inline-block;
  background:rgba(255,255,255,.15);
  color:#c4b5fd;
  font-size:11px;
  font-weight:700;
  letter-spacing:.6px;
  padding:4px 13px;
  border-radius:999px;
  text-transform:uppercase;
  margin-bottom:10px;
}
.module-banner h2 {
  font-size:24px;
  font-weight:800;
  margin:0 0 6px 0;
  background:linear-gradient(135deg,#fff,#c4b5fd);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.module-banner p {
  color:rgba(255,255,255,0.78);
  font-size:13px;
  margin:0;
}

/* ── LESSON CARD ────────────────────────────────────────────────────────── */
.lesson {
  background:#fff;
  border:1.5px solid var(--border);
  border-left:5px solid var(--primary);
  border-radius:12px;
  padding:20px 24px;
  margin:18px 0;
  page-break-inside:avoid;
}
.lesson.client { border-left-color:#ea580c; }
.lesson.both   { border-left-color:#16a34a; }
.lesson.tech   { border-left-color:#f59e0b; }
.lesson-header {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-bottom:12px;
  flex-wrap:wrap;
}
.lesson-num {
  font-size:11px;
  font-weight:800;
  color:#fff;
  background:var(--primary);
  border-radius:6px;
  padding:3px 11px;
  min-width:42px;
  text-align:center;
}
.lesson.client .lesson-num { background:#ea580c; }
.lesson.both   .lesson-num { background:#16a34a; }
.lesson.tech   .lesson-num { background:#f59e0b; }
.lesson-title { font-size:16px; font-weight:700; color:var(--text); flex:1; }

/* ── BOXES INSIDE A LESSON ─────────────────────────────────────────────── */
.objective-box, .prereq-box, .pitfall-box, .exercise-box, .validate-box {
  border-radius:8px;
  padding:12px 16px;
  margin:10px 0;
  font-size:13px;
}
.objective-box {
  background:#ede9fe; border-left:3px solid var(--primary); color:#4c1d95;
}
.objective-box strong { color:#4c1d95; }
.prereq-box {
  background:#ffedd5; border-left:3px solid #ea580c; color:#9a3412;
}
.pitfall-box {
  background:#fef9c3; border-left:3px solid #ca8a04; color:#713f12;
}
.exercise-box {
  background:#dcfce7; border-left:3px solid #16a34a; color:#0a4925; padding:14px 18px;
}
.exercise-box h4 {
  font-size:13px; font-weight:800; color:#15803d;
  margin-bottom:7px; display:flex; align-items:center; gap:6px;
}
.exercise-box ol { margin-left:18px; margin-top:6px; }
.exercise-box ol li { padding:3px 0; }
.validate-box {
  background:#f1f5f9; border-left:3px solid #475569; color:#1e293b;
  font-family:'Cascadia Code', Consolas, monospace; font-size:12px; line-height:1.7;
}
.validate-box .ok::before { content:"✔ "; color:#16a34a; font-weight:bold; }
.validate-box .x::before  { content:"✘ "; color:#dc2626; font-weight:bold; }

/* ── QUIZ / FINAL ASSESSMENT ──────────────────────────────────────────── */
.quiz-q {
  background:#fff;
  border:1.5px solid var(--border);
  border-radius:10px;
  padding:14px 18px;
  margin:10px 0;
}
.quiz-q .qnum {
  display:inline-block;
  background:var(--primary);
  color:#fff;
  font-size:11px;
  font-weight:700;
  padding:3px 10px;
  border-radius:6px;
  margin-right:8px;
}
.quiz-q .qtext { font-weight:600; color:var(--text); margin-bottom:8px; font-size:14px; display:inline; }
.quiz-q ul { list-style:upper-alpha; margin-left:24px; margin-top:8px; font-size:13px; color:var(--text-muted); }
.quiz-q ul li { padding:3px 0; }

.answer-key {
  background:#0f172a;
  color:#e2e8f0;
  border-radius:10px;
  padding:18px 22px;
  margin:16px 0;
  font-size:13px;
  page-break-inside:avoid;
}
.answer-key h3 { color:#22c55e; font-size:14px; margin-bottom:10px; }
.answer-key ol { margin-left:22px; }
.answer-key ol li { padding:3px 0; line-height:1.6; }
.answer-key code { background:#020617; color:#86efac; }

/* ── TRACK LEGEND ──────────────────────────────────────────────────────── */
.track-legend {
  display:flex; gap:14px; flex-wrap:wrap; margin:14px 0;
  padding:12px 16px;
  background:#f1f5f9; border-radius:10px; border:1px solid var(--border);
  font-size:12px;
}
.track-legend > div { display:flex; align-items:center; gap:6px; }
.track-legend .swatch { width:14px; height:14px; border-radius:4px; flex-shrink:0; }

/* ── DIAGRAM WRAP ──────────────────────────────────────────────────────── */
.diagram-wrap {
  background:var(--white);
  border:1.5px solid var(--border);
  border-radius:var(--radius);
  padding:20px;
  text-align:center;
  margin:16px 0;
  font-family:'Cascadia Code', Consolas, monospace;
  font-size:12px;
  color:var(--text);
  line-height:1.8;
}

/* ── UTILITY ─────────────────────────────────────────────────────────────── */
.me-1 { margin-right:4px; }
.me-2 { margin-right:8px; }
strong { font-weight:700; color:var(--text); }
em { font-style:italic; color:#475569; }

/* ── PRINT ────────────────────────────────────────────────────────────── */
@media print {
  .lesson, .quiz-q, .answer-key { page-break-inside:avoid; }
  .module-banner { page-break-before:always; }
  .section { page-break-before:always; }
  .data-table, .screen-mock, .callout, .info-card { page-break-inside:avoid; }
}