:root {
    /* ISACA official palette: deep blue + red */
    --navy: #00395d;
    --navy-mid: #002840;
    --navy-light: #155a8a;
    --gold: #e4002b;
    --gold-light: #ff2d4a;
    --gold-pale: #fdeaed;
    --cream: #f1f4f8;
    --text-primary: #0b2440;
    --text-secondary: #1f3a5e;
    --text-muted: #51688a;
    --white: #ffffff;
    --border: #aebfd6;
    --card-bg: #ffffff;
    --body-bg: #eef2f7;
    --section-alt: #e1e8f1;
    /* lighter blue surface for content boxes (improves text contrast) */
    --blue-pale: #e8f1fb;
    --blue-pale-2: #dcebfa;
    --blue-pale-border: #b9d2ee;
    --correct: #1a7a4c;
    --correct-bg: #e6f5ec;
    --wrong: #c0182b;
    --wrong-bg: #fbe8ea;
  }
  [data-theme="dark"] {
    --cream: #06182a;
    --text-primary: #e6edf7;
    --text-secondary: #9bb2d2;
    --text-muted: #6982a6;
    --card-bg: #0a2c46;
    --body-bg: #06182a;
    --section-alt: #0a233a;
    --blue-pale: #0d2840;
    --blue-pale-2: #103051;
    --blue-pale-border: #20486b;
    --border: #1d3f5d;
    --gold-pale: #2e0d12;
    --correct: #4cc98a;
    --correct-bg: #0d2a1f;
    --wrong: #ff6b7d;
    --wrong-bg: #2e0d12;
  }

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; font-size: 16px; }
  body {
    font-family: Georgia, 'Times New Roman', serif;
    background: var(--body-bg);
    color: var(--text-primary);
    line-height: 1.65;
    transition: background 0.3s, color 0.3s;
  }

  /* NAV */
  nav.topnav {
    position: sticky; top: 0; z-index: 100;
    background: var(--card-bg);
    border-bottom: 3px solid var(--gold);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 2rem; height: 60px;
  }
  .nav-brand { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
  .nav-seal {
    width: 38px; height: 38px; border-radius: 50%; background: var(--gold);
    display: flex; align-items: center; justify-content: center;
    font-family: 'Arial Narrow', Arial, sans-serif; font-weight: 900; font-size: 0.65rem;
    color: var(--white); letter-spacing: 0.02em; text-align: center; line-height: 1.1; flex-shrink: 0;
  }
  .nav-title {
    font-family: 'Arial Narrow', Arial, sans-serif; font-weight: 700; font-size: 1rem;
    color: var(--text-primary); letter-spacing: 0.08em; text-transform: uppercase;
  }
  .nav-right { display: flex; align-items: center; gap: 1rem; }
  .nav-links { display: flex; gap: 1.5rem; list-style: none; }
  .nav-links a {
    color: var(--text-secondary); text-decoration: none; font-family: Arial, sans-serif;
    font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; transition: color 0.2s;
  }
  .nav-links a:hover { color: var(--gold); }
  .theme-toggle {
    background: transparent; border: 1px solid var(--gold); color: var(--gold);
    padding: 0.3rem 0.75rem; border-radius: 20px; cursor: pointer;
    font-size: 0.75rem; font-family: Arial, sans-serif; letter-spacing: 0.04em; transition: background 0.2s;
  }
  .theme-toggle:hover { background: var(--gold); color: #ffffff; }

  /* LESSON HERO */
  .lesson-hero {
    background: var(--blue-pale); border-bottom: 3px solid var(--gold);
    position: relative; overflow: hidden;
    padding: 3.5rem 2rem 3rem;
  }
  .lesson-hero::before {
    content: ''; position: absolute; inset: 0;
    background: repeating-linear-gradient(-55deg, transparent, transparent 40px, rgba(0,57,93,0.04) 40px, rgba(0,57,93,0.04) 41px);
  }
  .lesson-hero-inner { max-width: 1000px; margin: 0 auto; position: relative; }
  .breadcrumb { font-family: Arial, sans-serif; font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 1rem; }
  .breadcrumb a { color: var(--text-muted); text-decoration: none; }
  .breadcrumb a:hover { color: var(--gold); }
  .breadcrumb span { color: var(--gold); }
  .lesson-badge-lg {
    display: inline-block; background: var(--gold); color: #fff;
    font-family: 'Arial Narrow', Arial, sans-serif; font-weight: 900; font-size: 0.75rem;
    letter-spacing: 0.12em; padding: 0.3rem 0.8rem; border-radius: 2px; margin-bottom: 1rem;
  }
  .lesson-hero h1 {
    font-family: Georgia, serif; font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 700;
    color: var(--text-primary); line-height: 1.18; max-width: 820px; margin-bottom: 1rem;
  }
  .lesson-hero h1 span { color: var(--gold); }
  .lesson-lede {
    font-family: Arial, sans-serif; font-size: 1.02rem; color: var(--text-secondary);
    max-width: 760px; line-height: 1.7; margin-bottom: 1.5rem;
  }
  .meta-chips { display: flex; flex-wrap: wrap; gap: 0.6rem; }
  .meta-chip {
    font-family: Arial, sans-serif; font-size: 0.72rem; letter-spacing: 0.04em;
    color: var(--text-secondary); border: 1px solid var(--blue-pale-border); border-radius: 20px;
    padding: 0.35rem 0.9rem; background: var(--card-bg);
  }
  .meta-chip strong { color: var(--gold); font-family: 'Arial Narrow', Arial, sans-serif; }

  /* CONTENT WRAP */
  .wrap { max-width: 1000px; margin: 0 auto; padding: 3rem 2rem; }
  .block { margin-bottom: 3rem; }
  .eyebrow { font-family: Arial, sans-serif; font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.5rem; }
  .h2 { font-family: Georgia, serif; font-size: clamp(1.4rem, 3vw, 1.8rem); font-weight: 700; color: var(--text-primary); line-height: 1.2; }
  .rule { width: 48px; height: 3px; background: var(--gold); margin: 0.75rem 0 1.5rem; }
  .lead { font-family: Arial, sans-serif; font-size: 0.98rem; color: var(--text-secondary); line-height: 1.75; max-width: 760px; }

  /* OBJECTIVES */
  .objectives { list-style: none; display: grid; gap: 0.75rem; }
  .objectives li {
    display: flex; gap: 0.85rem; align-items: flex-start;
    background: var(--card-bg); border: 1px solid var(--border); border-left: 3px solid var(--gold);
    border-radius: 0 4px 4px 0; padding: 0.9rem 1.1rem;
    font-family: Arial, sans-serif; font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6;
  }
  .objectives li::before {
    content: '\2713'; color: var(--gold); font-weight: 900; flex-shrink: 0;
    font-family: Arial, sans-serif; font-size: 1rem; line-height: 1.5;
  }
  .objectives li strong { color: var(--text-primary); }

  /* GLOSSARY TABLE */
  .table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 4px; }
  table.data { width: 100%; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 0.86rem; background: var(--card-bg); }
  table.data th {
    background: var(--navy); color: var(--white); text-align: left; font-weight: 700;
    font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.7rem 1rem;
  }
  table.data td { padding: 0.7rem 1rem; border-top: 1px solid var(--border); color: var(--text-secondary); line-height: 1.55; vertical-align: top; }
  table.data tbody tr:nth-child(even) { background: var(--blue-pale); }
  table.data td.term { font-family: Georgia, serif; font-weight: 700; color: var(--text-primary); white-space: nowrap; }
  table.data td.weight { font-family: 'Arial Narrow', Arial, sans-serif; font-weight: 900; color: var(--gold); text-align: center; }

  /* FLIP CARDS — "what we cover this session" */
  .flip-hint-top { font-family: Arial, sans-serif; font-size: 0.8rem; color: var(--text-muted); margin: -0.5rem 0 1.5rem; display: flex; align-items: center; gap: 0.4rem; }
  .flip-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
  .flip-card { background: transparent; perspective: 1300px; cursor: pointer; border: none; padding: 0; font: inherit; text-align: left; width: 100%; }
  .flip-inner { position: relative; width: 100%; height: 100%; min-height: 230px; display: grid; transition: transform 0.6s cubic-bezier(.2,.7,.2,1); transform-style: preserve-3d; }
  .flip-card.flipped .flip-inner { transform: rotateY(180deg); }
  .flip-face { grid-area: 1 / 1; position: relative; backface-visibility: hidden; -webkit-backface-visibility: hidden; border-radius: 6px; border: 1px solid var(--border); padding: 1.4rem 1.5rem; display: flex; flex-direction: column; overflow: hidden; }
  .flip-front { background: var(--card-bg); }
  .flip-front::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gold); }
  .flip-num { align-self: flex-start; font-family: 'Arial Narrow', Arial, sans-serif; font-weight: 900; font-size: 0.78rem; letter-spacing: 0.1em; color: var(--gold); background: var(--blue-pale); border: 1px solid var(--blue-pale-border); border-radius: 20px; padding: 0.2rem 0.75rem; }
  .flip-icon { font-size: 2.5rem; line-height: 1; margin: 0.7rem 0 0.5rem; }
  .flip-title { font-family: Georgia, serif; font-size: 1.12rem; font-weight: 700; color: var(--text-primary); line-height: 1.3; }
  .flip-hint { margin-top: auto; padding-top: 0.8rem; font-family: Arial, sans-serif; font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); display: flex; align-items: center; gap: 0.4rem; }
  .flip-back { background: var(--blue-pale); border-color: var(--blue-pale-border); transform: rotateY(180deg); justify-content: center; }
  .flip-back-title { font-family: 'Arial Narrow', Arial, sans-serif; font-weight: 900; font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.9rem; flex-shrink: 0; }
  .flip-back ul { list-style: none; display: grid; gap: 0.65rem; }
  .flip-back li { font-family: Arial, sans-serif; font-size: 0.86rem; color: var(--text-primary); line-height: 1.5; padding-left: 1rem; position: relative; }
  .flip-back li::before { content: '\25B8'; color: var(--gold); position: absolute; left: 0; font-size: 0.75rem; top: 0.05rem; }
  .flip-back li b { font-weight: 700; }
  .flip-card:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; border-radius: 8px; }
  /* wide card for dense content (full Code of Ethics) — sized to fit, no internal scroll */
  .flip-card.wide { grid-column: 1 / -1; }
  .flip-card.wide .flip-inner { min-height: 300px; }
  .flip-card.wide .flip-front { align-items: center; justify-content: center; text-align: center; gap: 0.6rem; }
  .flip-card.wide .flip-num { align-self: center; }
  .flip-card.wide .flip-icon { font-size: 3rem; margin: 0; }
  .flip-card.wide .flip-title { font-size: 1.35rem; max-width: 640px; }
  .flip-intro { font-family: Arial, sans-serif; font-size: 0.92rem; color: var(--text-secondary); max-width: 580px; line-height: 1.55; }
  .flip-card.wide .flip-hint { margin-top: 0.5rem; }
  .flip-card.wide .flip-face { padding: 1.7rem 2.4rem; }
  .flip-card.wide .flip-back { justify-content: flex-start; }
  /* calm, left-aligned navy heading with a quiet divider under it */
  .flip-card.wide .flip-back-title {
    text-align: left; text-transform: none; font-family: Arial, sans-serif;
    font-weight: 700; font-size: 0.85rem; letter-spacing: 0.01em; color: var(--text-secondary);
    margin-bottom: 1.15rem; padding-bottom: 0.7rem; border-bottom: 1px solid var(--blue-pale-border);
  }
  /* column-major flow so the numbered principles read 1-2-3-4 down the left, then 5-6-7 down the right */
  .flip-card.wide .flip-back ul { display: block; column-count: 2; column-gap: 4.5rem; gap: 0; }
  .flip-card.wide .flip-back li {
    display: flex; gap: 0.8rem; align-items: baseline;
    font-size: 0.86rem; line-height: 1.45; color: var(--text-primary);
    padding-left: 0; margin-bottom: 1.45rem; break-inside: avoid; -webkit-column-break-inside: avoid;
  }
  .flip-card.wide .flip-back li:last-child { margin-bottom: 0; }
  .flip-card.wide .flip-back li::before { content: none; }
  .flip-card.wide .flip-back li b { flex: 0 0 1.4rem; text-align: center; color: var(--gold); font-weight: 900; font-family: 'Arial Narrow', Arial, sans-serif; font-size: 1rem; }
  .flip-card.wide .flip-back li strong { color: var(--text-primary); font-weight: 700; }
  @media (max-width: 860px) { .flip-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 560px) {
    .flip-grid { grid-template-columns: 1fr; }
    .flip-card.wide .flip-back ul { column-count: 1; }
  }

  /* EXAM TIP CALLOUT */
  .tip {
    background: var(--gold-pale); border: 1px solid var(--gold); border-left: 4px solid var(--gold);
    border-radius: 0 4px 4px 0; padding: 1.1rem 1.3rem; margin: 1.25rem 0;
    font-family: Arial, sans-serif; font-size: 0.88rem; color: var(--text-secondary); line-height: 1.65;
  }
  .tip .tip-label {
    display: flex; align-items: center; gap: 0.4rem; font-weight: 900; color: var(--gold);
    text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.74rem; margin-bottom: 0.5rem;
  }
  .tip b { color: var(--text-primary); }

  /* KNOWLEDGE CHECK */
  .quiz-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 4px; padding: 1.5rem; position: relative; overflow: hidden; }
  .quiz-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gold); }
  .q { border-top: 1px solid var(--border); padding: 1.4rem 0; }
  .q:first-of-type { border-top: none; padding-top: 0.5rem; }
  .q-stem { font-family: Georgia, serif; font-size: 0.98rem; font-weight: 700; color: var(--text-primary); line-height: 1.5; margin-bottom: 0.9rem; }
  .q-stem .qn { color: var(--gold); margin-right: 0.4rem; }
  fieldset.options { border: none; display: grid; gap: 0.55rem; }
  fieldset.options legend { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .opt {
    display: flex; gap: 0.7rem; align-items: flex-start; cursor: pointer;
    font-family: Arial, sans-serif; font-size: 0.88rem; color: var(--text-secondary); line-height: 1.55;
    border: 1px solid var(--border); border-radius: 4px; padding: 0.7rem 0.9rem; transition: border-color 0.15s, background 0.15s;
  }
  .opt:hover { border-color: var(--gold); }
  .opt input { margin-top: 0.2rem; accent-color: var(--gold); flex-shrink: 0; }
  .opt .opt-letter { font-weight: 700; color: var(--text-primary); }
  .opt.correct { border-color: var(--correct); background: var(--correct-bg); }
  .opt.wrong { border-color: var(--wrong); background: var(--wrong-bg); }
  .opt.correct .opt-letter { color: var(--correct); }
  .opt.wrong .opt-letter { color: var(--wrong); }
  .rationale {
    display: none; margin-top: 0.8rem; padding: 0.85rem 1rem; border-radius: 4px;
    background: var(--blue-pale); border: 1px solid var(--blue-pale-border); border-left: 3px solid var(--gold);
    font-family: Arial, sans-serif; font-size: 0.84rem; color: var(--text-primary); line-height: 1.6;
  }
  .rationale.show { display: block; }
  .rationale b { color: var(--text-primary); }
  .quiz-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin-top: 1.5rem; padding-top: 1.25rem; border-top: 1px solid var(--border); }
  .btn {
    display: inline-flex; align-items: center; gap: 0.4rem; background: var(--gold);
    color: #fff; border: none; cursor: pointer; text-decoration: none;
    font-family: Arial, sans-serif; font-weight: 700; font-size: 0.82rem; letter-spacing: 0.06em; text-transform: uppercase;
    padding: 0.7rem 1.5rem; border-radius: 2px; transition: background 0.2s, transform 0.15s;
  }
  .btn:hover { background: var(--gold-light); transform: translateY(-1px); }
  .btn.secondary { background: var(--navy); color: var(--white); }
  .btn.secondary:hover { background: var(--navy-light); }
  .score { font-family: 'Arial Narrow', Arial, sans-serif; font-weight: 900; font-size: 1.1rem; color: var(--text-primary); }
  .score span { color: var(--gold); font-size: 1.4rem; }

  /* PAGER */
  .pager { background: var(--body-bg); }
  .pager-inner {
    max-width: 1000px; margin: 0 auto; padding: 2rem 2rem;
    border-top: 3px solid var(--gold);
    display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem;
  }
  .pager a {
    min-width: 0; text-decoration: none; display: flex; flex-direction: column; gap: 0.3rem;
    background: var(--card-bg); border: 1px solid var(--border); border-radius: 6px;
    padding: 1rem 1.3rem; transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
  }
  .pager a:hover { border-color: var(--gold); box-shadow: 0 6px 18px rgba(10,22,40,0.10); transform: translateY(-2px); }
  .pager a.prev { align-items: flex-start; text-align: left; }
  .pager a.next { align-items: flex-end; text-align: right; }
  .pager-dir { font-family: Arial, sans-serif; font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); font-weight: 700; }
  .pager-name { font-family: Georgia, serif; font-size: 1.02rem; font-weight: 700; color: var(--text-primary); line-height: 1.3; transition: color 0.2s; }
  .pager a:hover .pager-name { color: var(--gold); }
  @media (max-width: 560px) { .pager-inner { grid-template-columns: 1fr; } }

  footer { background: var(--blue-pale); border-top: 3px solid var(--gold); padding: 2rem; text-align: center; }
  .footer-logo { font-family: 'Arial Narrow', Arial, sans-serif; font-weight: 900; font-size: 1.1rem; color: var(--gold); letter-spacing: 0.12em; margin-bottom: 0.5rem; }
  .footer-disclaimer { font-family: Arial, sans-serif; font-size: 0.74rem; color: var(--text-secondary); max-width: 580px; margin: 0 auto; line-height: 1.6; }

  @media (max-width: 760px) {
    .nav-links { display: none; }
    .wrap { padding: 2rem 1.25rem; }
    .lesson-hero { padding: 2.5rem 1.25rem 2rem; }
  }
  @media print {
    nav, .theme-toggle, .quiz-actions, .pager { display: none; }
    .rationale { display: block !important; }
    body { background: #fff; color: #000; }
  }

/* ============ VOCABULARY FLASHCARDS ============ */
.vocab-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.flip-card.vocab .flip-front { align-items: center; justify-content: center; text-align: center; gap: 0.5rem; }
.flip-card.vocab .flip-back { justify-content: center; }
.vocab-label { font-family: 'Arial Narrow', Arial, sans-serif; font-weight: 900; font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold); }
.vocab-term { font-family: Georgia, serif; font-size: 1.16rem; font-weight: 700; color: var(--text-primary); line-height: 1.3; }
.vocab-def { font-family: Arial, sans-serif; font-size: 0.86rem; color: var(--text-primary); line-height: 1.55; }
.flip-card.vocab .flip-hint { margin-top: 0.5rem; }
@media (max-width: 860px) { .vocab-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .vocab-grid { grid-template-columns: 1fr; } }

/* ============ LESSON CONTENT + ON-THIS-PAGE NAV ============ */
.lesson-content { display: grid; grid-template-columns: 230px 1fr; gap: 2.75rem; align-items: start; }
.toc { position: sticky; top: 78px; }
.toc-title { font-family: 'Arial Narrow', Arial, sans-serif; font-weight: 900; font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.85rem; }
.toc ul { list-style: none; display: grid; gap: 0; border-left: 2px solid var(--border); }
.toc a { display: block; font-family: Arial, sans-serif; font-size: 0.82rem; color: var(--text-secondary); text-decoration: none; line-height: 1.4; padding: 0.4rem 0 0.4rem 0.9rem; margin-left: -2px; border-left: 2px solid transparent; transition: color 0.15s, border-color 0.15s; }
.toc a:hover { color: var(--gold); border-left-color: var(--gold); }
.content-section { scroll-margin-top: 78px; margin-bottom: 2.75rem; }
.content-section:last-child { margin-bottom: 0; }
.cs-head { display: flex; align-items: baseline; gap: 0.6rem; margin-bottom: 0.9rem; padding-bottom: 0.6rem; border-bottom: 2px solid var(--border); }
.cs-num { font-family: 'Arial Narrow', Arial, sans-serif; font-weight: 900; font-size: 1rem; color: var(--gold); flex-shrink: 0; }
.cs-head h3 { font-family: Georgia, serif; font-size: 1.22rem; font-weight: 700; color: var(--text-primary); line-height: 1.25; }
.content-section p { font-family: Arial, sans-serif; font-size: 0.94rem; color: var(--text-secondary); line-height: 1.75; margin-bottom: 1rem; }
.content-section p strong, .content-section li strong { color: var(--text-primary); }
.content-section h4 { font-family: 'Arial Narrow', Arial, sans-serif; font-weight: 900; font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-primary); margin: 1.3rem 0 0.65rem; }
.content-section ul.detail { list-style: none; display: grid; gap: 0.5rem; margin-bottom: 1.1rem; }
.content-section ul.detail li { font-family: Arial, sans-serif; font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; padding-left: 1.2rem; position: relative; }
.content-section ul.detail li::before { content: '\25B8'; color: var(--gold); position: absolute; left: 0; top: 0.05rem; font-size: 0.8rem; }
.in-practice { background: var(--blue-pale); border: 1px solid var(--blue-pale-border); border-left: 4px solid var(--navy-light); border-radius: 0 4px 4px 0; padding: 1rem 1.2rem; margin: 1.15rem 0; }
.in-practice .ip-label { display: inline-flex; align-items: center; gap: 0.4rem; font-family: 'Arial Narrow', Arial, sans-serif; font-weight: 900; font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--navy-light); margin-bottom: 0.4rem; }
.in-practice p { font-family: Arial, sans-serif; font-size: 0.88rem; line-height: 1.65; margin-bottom: 0; color: var(--text-primary); }
@media (max-width: 900px) {
  .lesson-content { grid-template-columns: 1fr; gap: 1.5rem; }
  .toc { position: static; border: 1px solid var(--border); border-radius: 6px; padding: 1rem 1.2rem; background: var(--blue-pale); }
  .toc ul { border-left: none; }
  .toc a { border-left: none; padding: 0.3rem 0; }
  .toc a:hover { border-left: none; }
}

/* ============ SUPPLEMENTARY RESOURCE LINK ============ */
.resource-link { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; background: var(--card-bg); border: 1px solid var(--border); border-left: 4px solid var(--gold); border-radius: 0 4px 4px 0; padding: 1rem 1.25rem; margin: 1.25rem 0; }
.resource-link .rl-icon { font-size: 1.6rem; line-height: 1; flex-shrink: 0; }
.resource-link .rl-body { flex: 1; min-width: 220px; }
.resource-link .rl-label { font-family: 'Arial Narrow', Arial, sans-serif; font-weight: 900; font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); display: block; margin-bottom: 0.15rem; }
.resource-link .rl-text { font-family: Arial, sans-serif; font-size: 0.86rem; color: var(--text-secondary); line-height: 1.55; }
.resource-link .rl-text strong { color: var(--text-primary); }
.resource-link .btn { flex-shrink: 0; }
.resource-link .btn .ext { font-size: 0.9rem; }
.resource-link .rl-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; flex-basis: 100%; margin-top: 0.1rem; }

/* ============ HAND-OFF CTA (used by Lesson 9 -> Practice Exam) ============ */
.full-cta { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; background: var(--blue-pale); border: 1px solid var(--blue-pale-border); border-left: 4px solid var(--gold); border-radius: 8px; padding: 1.4rem 1.6rem; flex-wrap: wrap; }
.full-cta .fc-title { font-family: Georgia, serif; font-size: 1.3rem; font-weight: 700; color: var(--text-primary); }
.full-cta .fc-sub { font-family: Arial, sans-serif; font-size: 0.86rem; color: var(--text-secondary); max-width: 600px; line-height: 1.55; margin-top: 0.3rem; }
.full-cta .btn { flex-shrink: 0; }


/* ===== Instructional diagrams (inline SVG) ===== */
.diagram{margin:1.6rem auto .6rem;padding:1.25rem 1rem .95rem;background:var(--blue-pale);border:1px solid var(--blue-pale-border);border-radius:12px;text-align:center;}
.diagram svg{max-width:100%;height:auto;display:block;margin:0 auto;}
.diagram svg text{font-family:Arial,Helvetica,sans-serif;}
.diagram figcaption{margin:.8rem auto 0;max-width:62ch;font-size:.85rem;color:var(--text-muted);font-style:italic;line-height:1.5;}
.dg-axis{stroke:var(--text-secondary);}
.dg-incident{stroke:var(--gold);}
.dg-dot{fill:var(--text-secondary);}
.dg-dot-accent{fill:var(--gold);}
.dg-brk-rpo{stroke:var(--gold);fill:none;}
.dg-brk-rto{stroke:var(--navy-light);fill:none;}
.dg-brk-mtd{stroke:var(--navy-light);fill:none;}
.dg-text{fill:var(--text-primary);}
.dg-text-muted{fill:var(--text-muted);}
.dg-text-accent{fill:var(--gold);}
.dg-text-blue{fill:var(--navy-light);}
.dg-marker{fill:var(--navy-light);stroke:#fff;stroke-width:2.5;}
.hz-low{fill:#3f9d5a;}.hz-med{fill:#eab308;}.hz-high{fill:#ea7317;}.hz-ext{fill:#d33d3d;}

.dg-box{fill:var(--navy-light);}
.dg-box-accent{fill:var(--gold);}
.dg-box-soft{fill:var(--card-bg);stroke:var(--border);stroke-width:1.5;}
.dg-inv{fill:#fff;}
.dg-stroke-navylt{stroke:var(--navy-light);fill:none;}
.dg-stroke-accent{stroke:var(--gold);fill:none;}
.dg-arrow{fill:var(--text-secondary);}
.dg-arrow-line{stroke:var(--text-secondary);fill:none;}

.bloom-tag{display:inline-block;margin-left:.4rem;font-size:.68rem;font-style:normal;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--gold);background:var(--gold-pale);padding:.05rem .42rem;border-radius:4px;vertical-align:middle;}

.xref{font-size:.82rem;color:var(--text-muted);font-style:italic;}
.xref a{color:var(--gold);font-weight:600;text-decoration:none;}
.xref a:hover{text-decoration:underline;}