/* ═══════════════════════════════════════════════════════════════
   CLAUDE ASSOCIATE PM PREP — Design System
   Direction: Editorial (A) × Printed Document (C)
   Serif body · Large module numbers · Typography-first · No card boxes
   ═══════════════════════════════════════════════════════════════ */

:root {
  --bg: #fdfcf9;
  --surface: #fff;
  --surface2: #f5f3ee;
  --border: #e4e0d8;
  --border-strong: #c8c3b8;
  --text: #2a2a28;
  --text-dim: #6b6660;
  --text-light: #9b9690;
  --text-bright: #0d0d0b;
  --accent: #037c0f;
  --accent-dim: #025e0b;
  --accent-bg: #eef6ee;
  --accent-border: #b8d9b9;
  --red: #8b2e14;
  --yellow: #6a4e08;

  /* module identity — earthy, no purple dominance */
  --m1: #037c0f;
  --m2: #1a5e8a;
  --m3: #8b2e14;
  --m4: #2a6e5a;
  --m5: #6a4e08;
  --m6: #4e2460;
  --m7: #1a4e62;
  --m8: #3a3a3a;

  --m1-bg: #eef6ee;
  --m2-bg: #eaf1f8;
  --m3-bg: #f8eeea;
  --m4-bg: #eaf4f0;
  --m5-bg: #f8f4e8;
  --m6-bg: #f3eef8;
  --m7-bg: #eaf1f4;
  --m8-bg: #f0f0f0;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Georgia', 'Times New Roman', serif;
  font-size: 15px;
  line-height: 1.7;
  min-height: 100vh;
}

/* Sans-serif utility — labels, UI, metadata */
.sans {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

strong { color: var(--text-bright); }

/* ── NAV ── */
.nav {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 0 48px;
  display: flex;
  align-items: center;
  height: 46px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-brand {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: 0.01em;
  margin-right: 32px;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-brand span { color: var(--accent); }
.nav-links {
  display: flex;
  align-items: center;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 12px;
  font-weight: 400;
  color: var(--text-dim);
  padding: 0 12px;
  white-space: nowrap;
  transition: color 0.12s;
  height: 46px;
  display: flex;
  align-items: center;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

/* ── PAGE HEADER — editorial, document-style ── */
.page-header {
  max-width: 760px;
  margin: 0 auto;
  padding: 52px 48px 32px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 2px solid var(--text-bright);
  margin-bottom: 48px;
}
.page-header-text .eyebrow {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.page-header-text h1 {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 30px;
  font-weight: 800;
  color: var(--text-bright);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 8px;
}
.page-header-text p {
  font-family: 'Georgia', serif;
  color: var(--text-dim);
  font-size: 14px;
  font-style: italic;
  max-width: 480px;
  line-height: 1.6;
}
.page-header-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
  padding-bottom: 4px;
}

/* ── MAIN CONTENT ── */
.main {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 48px 80px;
}

/* ── BUTTONS — restrained, document-style ── */
.btn-primary {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 7px 16px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.12s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-primary:hover { background: var(--accent-dim); }

.btn-secondary {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border-strong);
  padding: 6px 14px;
  font-size: 11.5px;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.12s, border-color 0.12s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-secondary:hover { color: var(--accent); border-color: var(--accent); }

/* ── SECTION DIVIDER — document horizontal rule ── */
.doc-rule {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}
.doc-rule-strong {
  border: none;
  border-top: 2px solid var(--text-bright);
  margin: 40px 0;
}

/* ── EDITORIAL MODULE HEADER ── */
.module-header {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.module-header .mod-kicker {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 4px;
}
.module-header .mod-number {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 72px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--accent);
  margin-bottom: 4px;
}
.module-header h2 {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.module-header .mod-sub {
  font-size: 14px;
  font-style: italic;
  color: var(--text-dim);
}

/* ── SECTION HEADING — small caps style ── */
.section-title {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

/* ── PROSE BLOCK ── */
.doc-intro {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 24px;
}

/* ── DEFINITION TABLE — document style ── */
.def-table { width: 100%; margin-bottom: 8px; }
.def-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 0 20px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13.5px;
  line-height: 1.55;
}
.def-row:last-child { border-bottom: none; }
.def-term {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 700;
  color: var(--text-bright);
  font-size: 12.5px;
}
.def-meaning { color: var(--text); }

/* ── RULE LIST — document arrows ── */
.rule-list { list-style: none; padding: 0; margin-bottom: 8px; }
.rule-list li {
  font-size: 13.5px;
  color: var(--text);
  padding: 6px 0 6px 18px;
  border-bottom: 1px solid var(--border);
  position: relative;
  line-height: 1.6;
}
.rule-list li:last-child { border-bottom: none; }
.rule-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 700;
}

/* ── CALLOUT — pull-quote style ── */
.callout {
  padding: 12px 0 12px 16px;
  border-left: 3px solid var(--accent);
  margin: 16px 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text);
}
.callout-green  { border-color: var(--m1); color: var(--text); }
.callout-blue   { border-color: var(--m2); }
.callout-red    { border-color: var(--m3); }
.callout-yellow { border-color: var(--m5); }
.callout-purple { border-color: var(--m6); }

/* ── PULL QUOTE — key quote ── */
.pull-quote {
  font-size: 16px;
  line-height: 1.7;
  font-style: italic;
  color: var(--text-bright);
  border-top: 2px solid var(--accent);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  margin: 20px 0;
}
.pull-quote::before {
  content: '"';
  color: var(--accent);
  font-size: 24px;
  font-style: normal;
  line-height: 0;
  vertical-align: -6px;
  margin-right: 3px;
}

/* ── DATA TABLE — clean ruled ── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  margin-bottom: 8px;
}
.data-table th {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
  padding: 6px 10px;
  text-align: left;
  border-bottom: 1px solid var(--text-bright);
}
.data-table td {
  padding: 7px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.55;
  color: var(--text);
}
.data-table tr:last-child td { border-bottom: none; }

/* ── TAGS — minimal, inline ── */
.tag {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  display: inline;
  font-size: 11px;
  font-weight: 700;
  padding: 1px 6px;
  white-space: nowrap;
  border: 1px solid;
}
.tag-green  { color: var(--m1); border-color: var(--accent-border); background: var(--m1-bg); }
.tag-blue   { color: var(--m2); border-color: #b0cce0; background: var(--m2-bg); }
.tag-red    { color: var(--m3); border-color: #d8b4a8; background: var(--m3-bg); }
.tag-yellow { color: var(--m5); border-color: #d4c490; background: var(--m5-bg); }
.tag-purple { color: var(--m6); border-color: #c4a8d8; background: var(--m6-bg); }
.tag-gray   { color: var(--text-dim); border-color: var(--border); background: var(--surface2); }

/* ── MODULE BADGE — small label ── */
.module-badge {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  display: inline;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 1px 5px;
  border: 1px solid;
}
.module-badge.m1 { color: var(--m1); border-color: var(--accent-border); }
.module-badge.m2 { color: var(--m2); border-color: #b0cce0; }
.module-badge.m3 { color: var(--m3); border-color: #d8b4a8; }
.module-badge.m4 { color: var(--m4); border-color: #a8d4c4; }
.module-badge.m5 { color: var(--m5); border-color: #d4c490; }
.module-badge.m6 { color: var(--m6); border-color: #c4a8d8; }
.module-badge.m7 { color: var(--m7); border-color: #a8c4d4; }
.module-badge.m8 { color: var(--m8); border-color: #c8c8c8; }

/* Border accents for module sections */
.border-m1 { border-top: 3px solid var(--m1); }
.border-m2 { border-top: 3px solid var(--m2); }
.border-m3 { border-top: 3px solid var(--m3); }
.border-m4 { border-top: 3px solid var(--m4); }
.border-m5 { border-top: 3px solid var(--m5); }
.border-m6 { border-top: 3px solid var(--m6); }
.border-m7 { border-top: 3px solid var(--m7); }
.border-m8 { border-top: 3px solid var(--m8); }

/* Module number badge (small, used in accordions) */
.module-num {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 13px;
  font-weight: 900;
  color: #fff;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.module-num.m1 { background: var(--m1); }
.module-num.m2 { background: var(--m2); }
.module-num.m3 { background: var(--m3); }
.module-num.m4 { background: var(--m4); }
.module-num.m5 { background: var(--m5); }
.module-num.m6 { background: var(--m6); }
.module-num.m7 { background: var(--m7); }
.module-num.m8 { background: var(--m8); }

/* ── DECISION GRID ── */
.decision-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 16px;
  align-items: start;
}
.decision-grid .tag { align-self: start; margin-top: 3px; }
.decision-desc {
  font-size: 13px;
  color: var(--text);
  line-height: 1.55;
  padding-top: 1px;
}

/* ── FLOW STRIP ── */
.flow-strip { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.flow-item {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 1px;
}
.flow-arrow {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-light);
  font-size: 12px;
}

/* ── TWO COL ── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ── FILTER CHIPS — document style ── */
.filter-row { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 24px; }
.filter-chip {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: transparent;
  border: 1px solid var(--border-strong);
  padding: 3px 11px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.12s;
  user-select: none;
  letter-spacing: 0.02em;
}
.filter-chip:hover { border-color: var(--accent); color: var(--accent); }
.filter-chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ── SEARCH ── */
.search-bar {
  font-family: 'Georgia', serif;
  width: 100%;
  padding: 9px 0;
  border: none;
  border-bottom: 2px solid var(--border-strong);
  font-size: 14px;
  color: var(--text);
  background: transparent;
  outline: none;
  transition: border-color 0.12s;
  margin-bottom: 24px;
}
.search-bar:focus { border-bottom-color: var(--accent); }
.search-bar::placeholder { color: var(--text-light); font-style: italic; }

/* ── SPOILER ── */
.spoiler {
  display: inline-block;
  background: var(--surface2);
  color: transparent;
  cursor: pointer;
  padding: 1px 8px;
  font-size: 13px;
  user-select: none;
  transition: all 0.15s;
  border-bottom: 1px solid var(--border-strong);
}
.spoiler.revealed { background: transparent; color: var(--accent); border-bottom-color: var(--accent); }

/* ── ACCORDION — editorial, no box ── */
.accordion-item {
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}
.accordion-item:first-child { border-top: 1px solid var(--border); }
.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  cursor: pointer;
  user-select: none;
  gap: 12px;
}
.accordion-header:hover .acc-title { color: var(--accent); }
.accordion-header .acc-title {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-bright);
  flex: 1;
  transition: color 0.12s;
}
.accordion-arrow {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-light);
  font-size: 11px;
  transition: transform 0.2s;
}
.accordion-item.open .accordion-arrow { transform: rotate(180deg); }
.accordion-body { display: none; padding: 0 0 20px; }
.accordion-item.open .accordion-body { display: block; }

/* ── TABS — underline style ── */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
  gap: 0;
}
.tab {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  padding: 10px 16px 10px 0;
  font-size: 13px;
  font-weight: 400;
  color: var(--text-dim);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.12s;
  user-select: none;
  margin-right: 16px;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── HUB CARDS — editorial, minimal ── */
.hub-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 0; }
.hub-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 24px 24px 24px 0;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  text-decoration: none;
  color: var(--text);
  transition: background 0.12s;
}
.hub-card:hover { background: var(--accent-bg); text-decoration: none; }
.hub-card-num {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 4px;
}
.hub-card h2 {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: -0.01em;
}
.hub-card p {
  font-size: 12.5px;
  color: var(--text-dim);
  flex: 1;
  line-height: 1.55;
}
.hub-card .hub-arrow {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--accent);
  margin-top: 4px;
}
.hub-card-meta {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 10.5px;
  color: var(--text-light);
  letter-spacing: 0.04em;
}

/* ── OVERVIEW MODULES ── */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 0;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}
.module-card {
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px;
}
.module-card .card-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 0;
  border-bottom: none;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.module-card .card-body { padding: 0; }
.full-width { grid-column: 1 / -1; }

/* Large module number for overview cards */
.mod-big-num {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 48px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
  flex-shrink: 0;
  width: 56px;
}

.module-card .title-block { flex: 1; }
.module-card .title-block .module-label {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 2px;
}
.module-card .title-block h2 {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: -0.01em;
  margin-bottom: 2px;
}
.module-card .title-block .tagline {
  font-size: 12.5px;
  font-style: italic;
  color: var(--text-dim);
}

.section { margin-bottom: 18px; }
.section:last-child { margin-bottom: 0; }

/* Fluency strip */
.ai-fluency-strip { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-top: 16px; }
.fluency-pill {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--m1);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border: 1px solid var(--accent-border);
  letter-spacing: 0.03em;
}

/* Key points 2x2 */
.key-points { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.key-point { border-top: 2px solid var(--border); padding-top: 10px; }
.key-point .kp-num {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}
.kp-num.d1 { color: var(--m1); }
.kp-num.d2 { color: var(--m2); }
.kp-num.d3 { color: var(--m4); }
.kp-num.d4 { color: var(--m6); }
.key-point p { font-size: 12.5px; line-height: 1.55; }

/* ── GLOSSARY ── */
.letter-group { margin-bottom: 32px; }
.letter-heading {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-light);
  border-bottom: 2px solid var(--text-bright);
  padding-bottom: 6px;
  margin-bottom: 0;
}
.glossary-item {
  display: grid;
  grid-template-columns: 200px 1fr auto;
  gap: 0 20px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}
.glossary-item:last-child { border-bottom: none; }
.glossary-term {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 700;
  color: var(--text-bright);
  font-size: 13px;
}
.glossary-def {
  font-size: 13.5px;
  color: var(--text);
  line-height: 1.6;
}
.glossary-item .module-badge { justify-self: end; }

/* ── FRAMEWORK CARD — editorial, expandable ── */
.framework-card {
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.framework-card:first-child { border-top: 1px solid var(--border); }
.framework-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 12px 0;
  cursor: pointer;
  gap: 16px;
  user-select: none;
  transition: background 0.1s;
}
.framework-header:hover .framework-title { color: var(--accent); }
.framework-title {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-bright);
  min-width: 180px;
  flex-shrink: 0;
  transition: color 0.12s;
}
.framework-summary { font-size: 13px; color: var(--text-dim); flex: 1; font-style: italic; }
.framework-meta { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.framework-body { display: none; padding: 0 0 16px; }
.framework-card.open .framework-body { display: block; }
.framework-card.open .framework-arrow { transform: rotate(180deg); }
.framework-arrow {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-light);
  font-size: 10px;
  transition: transform 0.2s;
  flex-shrink: 0;
}
.framework-body .components { margin-bottom: 8px; }
.component-row {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 0 16px;
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.component-row:last-child { border-bottom: none; }
.component-label {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 700;
  color: var(--text-bright);
  font-size: 12.5px;
}
.component-desc { color: var(--text); line-height: 1.55; }
.exam-note {
  border-left: 3px solid var(--m5);
  padding: 7px 12px;
  font-size: 12.5px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--m5);
  margin-top: 10px;
  line-height: 1.55;
}

/* ── EXAM STYLES ── */
.screen { display: none; }
.screen.active { display: block; }

.option {
  border: none;
  border-bottom: 1px solid var(--border);
  padding: 11px 0 11px 0;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: background 0.1s;
  font-size: 14px;
  line-height: 1.6;
  font-family: 'Georgia', serif;
  background: transparent;
}
.option:first-child { border-top: 1px solid var(--border); }
.option:hover:not(.locked) { background: var(--accent-bg); padding-left: 8px; padding-right: 8px; margin: 0 -8px; width: calc(100% + 16px); }
.option.selected { background: var(--accent-bg); padding-left: 8px; padding-right: 8px; margin: 0 -8px; width: calc(100% + 16px); }
.option.correct  { background: var(--m1-bg); padding-left: 8px; padding-right: 8px; margin: 0 -8px; width: calc(100% + 16px); }
.option.wrong    { background: var(--m3-bg); padding-left: 8px; padding-right: 8px; margin: 0 -8px; width: calc(100% + 16px); }
.option.missed   { background: var(--m5-bg); padding-left: 8px; padding-right: 8px; margin: 0 -8px; width: calc(100% + 16px); }

.option-letter {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-light);
  min-width: 18px;
  padding-top: 3px;
  flex-shrink: 0;
  transition: color 0.12s;
}
.option.selected .option-letter { color: var(--accent); }
.option.correct  .option-letter { color: var(--green); }
.option.wrong    .option-letter { color: var(--red); }
.option.missed   .option-letter { color: var(--yellow); }

.feedback-box {
  display: none;
  padding: 12px 0 12px 14px;
  border-left: 3px solid;
  margin-top: 16px;
  font-size: 13.5px;
  line-height: 1.65;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
.feedback-box.show { display: block; }
.feedback-correct { border-color: var(--green); color: var(--accent-dim); }
.feedback-wrong   { border-color: var(--red);   color: var(--red); }
.feedback-box .fb-title { font-weight: 700; margin-bottom: 4px; }

.progress-bar-outer {
  height: 2px;
  background: var(--border);
  margin-bottom: 28px;
}
.progress-bar-inner {
  height: 100%;
  background: var(--accent);
  transition: width 0.3s ease;
}

.question-type-badge {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  margin-left: 8px;
  vertical-align: middle;
  letter-spacing: 0.04em;
  border: 1px solid;
}
.single-badge { color: var(--m2); border-color: #b0cce0; }
.multi-badge  { color: var(--m6); border-color: #c4a8d8; }

/* Mode cards */
.mode-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; max-width: 500px; margin: 0 auto 28px; border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.mode-card {
  padding: 18px;
  cursor: pointer;
  transition: background 0.12s;
  text-align: left;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: transparent;
  border-radius: 0;
}
.mode-card:hover { background: var(--accent-bg); }
.mode-card.selected { background: var(--accent-bg); border-color: var(--accent); outline: 1px solid var(--accent); outline-offset: -1px; }
.mode-card h3 {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 4px;
}
.mode-card p {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 11.5px;
  color: var(--text-dim);
}

/* Score ring */
.score-ring {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 3px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  transition: border-color 0.3s;
}
.score-ring .ring-pct {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--text-bright);
}
.score-ring .ring-label {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 11px;
  color: var(--text-dim);
}
.score-ring.pass { border-color: var(--green); }
.score-ring.fail { border-color: var(--red); }

.breakdown-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 0; border-top: 1px solid var(--border); border-left: 1px solid var(--border); margin-top: 20px; }
.breakdown-card {
  padding: 12px 14px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.breakdown-card .bc-module {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-light);
  margin-bottom: 4px;
}
.breakdown-card .bc-score {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--text-bright);
}
.breakdown-card .bc-count {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.bc-bar { height: 2px; background: var(--border); }
.bc-bar-inner { height: 100%; }

.review-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.review-item .ri-header {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.ri-status {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}
.ri-correct { color: var(--green); }
.ri-wrong   { color: var(--red); }
.ri-q {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-bright);
  flex: 1;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
.ri-module-tag {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 10px;
  color: var(--text-light);
  flex-shrink: 0;
}
.ri-explanation {
  font-size: 13px;
  color: var(--text);
  padding-left: 14px;
  border-left: 2px solid var(--border);
  margin-top: 6px;
  line-height: 1.6;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.results-actions { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 24px; }
.action-row { display: flex; gap: 10px; align-items: center; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); }

/* Exam header */
.exam-topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.q-counter {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-dim);
  white-space: nowrap;
}
.score-badge {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}
.module-tag {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 12px;
}
.question-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-bright);
  line-height: 1.6;
  margin-bottom: 4px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
.multi-hint {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 11px;
  font-weight: 600;
  color: var(--m6);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.options-list { margin-top: 16px; }

/* ── SYNTHESES ── */
.synth-theme {
  font-size: 14.5px;
  font-style: italic;
  color: var(--text);
  line-height: 1.75;
  margin: 14px 0 20px;
  padding-left: 14px;
  border-left: 3px solid var(--border);
}
.synth-section-label {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}
.insight-list { list-style: none; padding: 0; margin-bottom: 20px; }
.insight-list li {
  font-size: 13.5px;
  padding: 6px 0 6px 18px;
  border-bottom: 1px solid var(--border);
  position: relative;
  line-height: 1.6;
  color: var(--text);
}
.insight-list li:last-child { border-bottom: none; }
.insight-list li::before { content: '→'; position: absolute; left: 0; color: var(--accent); font-family: -apple-system, sans-serif; font-weight: 700; }
.trap-list { list-style: none; padding: 0; margin-bottom: 20px; }
.trap-list li {
  font-size: 13.5px;
  padding: 6px 0 6px 18px;
  border-bottom: 1px solid var(--border);
  position: relative;
  line-height: 1.6;
  color: var(--text);
}
.trap-list li:last-child { border-bottom: none; }
.trap-list li::before { content: '⚠'; position: absolute; left: 0; color: var(--red); font-size: 10px; font-family: -apple-system, sans-serif; top: 8px; }
.key-quote {
  font-size: 15px;
  line-height: 1.7;
  font-style: italic;
  color: var(--text-bright);
  border-top: 2px solid var(--accent);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  margin-top: 4px;
}
.key-quote::before { content: '"'; color: var(--accent); font-size: 22px; font-style: normal; line-height: 0; vertical-align: -5px; margin-right: 3px; }

/* ── RESPONSIVE ── */
@media (max-width: 680px) {
  .nav { padding: 0 20px; }
  .page-header { flex-direction: column; padding: 28px 20px 20px; }
  .main { padding: 0 20px 48px; }
  .modules-grid { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .key-points { grid-template-columns: 1fr; }
  .mode-grid { grid-template-columns: 1fr; }
  .hub-grid { grid-template-columns: 1fr; }
  .glossary-item { grid-template-columns: 1fr; gap: 2px; }
  .framework-header { flex-wrap: wrap; }
  .framework-summary { display: none; }
}

/* ── PRINT ── */
@media print {
  .nav,
  .page-header-actions,
  .btn-primary,
  .btn-secondary,
  .filter-row,
  .search-bar,
  .tabs { display: none !important; }

  body { background: #fff; color: #000; font-size: 11pt; }
  .main { padding: 0; max-width: 100%; }
  .page-header { padding: 0 0 12pt; border-bottom: 1pt solid #000; margin-bottom: 16pt; }
  .page-header-text h1 { font-size: 18pt; }

  .accordion-body, .framework-body, .tab-panel { display: block !important; }
  .spoiler { background: transparent !important; color: #000 !important; }
  .callout { border-left: 2pt solid #666 !important; color: #000 !important; padding-left: 10pt; }
  .module-badge, .tag { border: 1pt solid #aaa !important; color: #000 !important; }
  .pull-quote, .key-quote { border-top: 1.5pt solid #000; border-bottom: 1pt solid #999; }

  .module-card, .framework-card { page-break-inside: avoid; }
  .accordion-item { page-break-after: always; }
  .letter-group { page-break-inside: avoid; }
  a { color: #000; text-decoration: none; }
}