:root {
  --bg: #f6f7f4;
  --paper: #ffffff;
  --ink: #18212f;
  --muted: #5f6b78;
  --line: #d8ded8;
  --accent: #0f766e;
  --accent-2: #7c2d12;
  --blue: #1d4ed8;
  --violet: #6d28d9;
  --rose: #be123c;
  --amber: #b45309;
  --green: #15803d;
  --soft: #eef4ef;
  --soft-blue: #e8f1fb;
  --soft-violet: #f1ecff;
  --soft-rose: #fff1f2;
  --soft-amber: #fff7ed;
  --warn: #fff7ed;
  --radius: 8px;
  --max: 1180px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.58;
}

a { color: #0f5f9f; font-weight: 750; }

.site-header {
  background: rgba(246, 247, 244, 0.97);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin: 0 auto;
  padding: .65rem 1rem;
  width: min(100%, var(--max));
}

.brand {
  color: var(--ink);
  font-weight: 850;
  text-decoration: none;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: .15rem;
  justify-content: flex-end;
}

.nav-links a {
  border-radius: var(--radius);
  color: var(--muted);
  font-size: .85rem;
  font-weight: 760;
  padding: .65rem .55rem;
  text-decoration: none;
}

.nav-links a.active { background: var(--soft); color: var(--ink); }

.page-head,
.section {
  margin: 0 auto;
  padding: 1.55rem 1rem;
  width: min(100%, var(--max));
}

.intro-layout {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: minmax(0, 1fr) 22rem;
}

h1 {
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 3vw, 3.15rem);
  line-height: 1.04;
  margin: 0 0 .8rem;
}

h2 {
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-size: clamp(1.35rem, 2vw, 2rem);
  line-height: 1.12;
  margin: 0 0 1rem;
}

h3 { font-size: 1.02rem; line-height: 1.25; margin: 0 0 .55rem; }
p { margin: 0 0 1rem; }
.lead { color: #334155; font-size: 1.08rem; max-width: 74ch; }

.kicker {
  color: var(--accent);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .06em;
  margin-bottom: .45rem;
  text-transform: uppercase;
}

.grid { display: grid; gap: 1rem; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.card,
.lesson-quiz,
.fact-panel,
.callout,
.glossary article {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
}

.card.passif { border-top: .28rem solid var(--accent); }
.card.social { border-top: .28rem solid var(--rose); }
.card.actif { border-top: .28rem solid var(--green); }
.card.compta { border-top: .28rem solid var(--violet); }
.card.aj { border-top: .28rem solid var(--blue); }
.card.mj { border-top: .28rem solid var(--accent); }
.card.risque { border-top: .28rem solid var(--amber); }

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: .75rem 0 1rem;
}

.badge {
  border: 1px solid var(--line);
  border-radius: 999px;
  display: inline-flex;
  font-size: .8rem;
  font-weight: 850;
  line-height: 1;
  padding: .45rem .6rem;
}

.badge.passif { background: #e7f6f1; color: #0f5f59; }
.badge.social { background: var(--soft-rose); color: var(--rose); }
.badge.actif { background: #ecfdf3; color: var(--green); }
.badge.compta { background: var(--soft-violet); color: var(--violet); }
.badge.aj { background: var(--soft-blue); color: var(--blue); }
.badge.risque { background: var(--soft-amber); color: var(--amber); }

.fact-panel h2 { font-size: 1.2rem; margin-bottom: .75rem; }
.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li { border-top: 1px solid var(--line); padding: .65rem 0; }
.check-list li:first-child { border-top: 0; }

.process-strip {
  display: grid;
  gap: .5rem;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  margin-bottom: 1rem;
}

.process-strip div {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  border-top: .25rem solid var(--accent);
  min-height: 5rem;
  padding: .75rem;
}

.process-strip div:nth-child(1),
.process-strip div:nth-child(2),
.process-strip div:nth-child(3) { border-top-color: var(--blue); }
.process-strip div:nth-child(4) { border-top-color: var(--accent); }
.process-strip div:nth-child(5) { border-top-color: var(--green); }
.process-strip div:nth-child(6) { border-top-color: var(--rose); }
.process-strip div:nth-child(7) { border-top-color: var(--violet); }
.process-strip div:nth-child(8) { border-top-color: var(--amber); }

.process-strip strong {
  color: var(--accent-2);
  display: block;
  font-size: 1.15rem;
}

.process-strip span {
  display: block;
  font-size: .9rem;
  font-weight: 800;
}

.table-wrap {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow-x: auto;
}

table {
  border-collapse: collapse;
  min-width: 760px;
  width: 100%;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: .8rem;
  text-align: left;
  vertical-align: top;
}

th { background: var(--soft); font-size: .85rem; text-transform: uppercase; }
tr:last-child td { border-bottom: 0; }
.source-note { color: var(--muted); font-size: .92rem; margin-top: .7rem; }

.term {
  background: transparent;
  border-bottom: 1px dotted var(--accent);
  border-left: 0;
  border-right: 0;
  border-top: 0;
  color: inherit;
  cursor: help;
  font: inherit;
  font-weight: 850;
  padding: 0;
}

.term:focus-visible {
  border-radius: 4px;
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.term-tooltip {
  background: var(--ink);
  border-radius: var(--radius);
  color: var(--paper);
  font-size: .86rem;
  font-weight: 650;
  line-height: 1.45;
  max-width: min(24rem, 76vw);
  opacity: 0;
  padding: .75rem .85rem;
  pointer-events: none;
  position: fixed;
  transform: translateY(.3rem);
  transition: opacity 160ms ease, transform 160ms ease;
  visibility: hidden;
  width: max-content;
  z-index: 100;
}

.term-tooltip.visible {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.object-map {
  display: grid;
  gap: .8rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.object-map article {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 7rem;
  padding: 1rem;
}

.object-map strong { display: block; margin-bottom: .45rem; }
.object-map span { color: var(--muted); display: block; font-size: .92rem; }

.diagram-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: .35rem solid var(--accent);
  border-radius: var(--radius);
  margin-top: 1rem;
  overflow-x: auto;
  padding: 1rem;
}

.diagram-card.blue { border-left-color: var(--blue); }
.diagram-card.violet { border-left-color: var(--violet); }
.diagram-card.rose { border-left-color: var(--rose); }
.diagram-card.amber { border-left-color: var(--amber); }

.diagram-card .mermaid {
  min-width: 42rem;
  text-align: center;
}

.diagram-failed {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: pre;
}

.timeline {
  counter-reset: step;
  display: grid;
  gap: .7rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.timeline li {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: .75rem;
  grid-template-columns: 10rem 1fr;
  padding: 1rem;
}

.timeline strong { color: var(--accent-2); }
.timeline span { color: #334155; }

.role-split {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.role-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 14rem;
  padding: 1.1rem;
}

.role-panel.admin { border-top: .35rem solid #0f5f9f; }
.role-panel.mandataire { border-top: .35rem solid var(--accent); }
.role-panel h3 { font-size: 1.18rem; }

.decision-grid {
  display: grid;
  gap: .8rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.decision-grid article {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
}

.decision-grid strong {
  display: block;
  margin-bottom: .4rem;
}

.decision-grid span {
  color: var(--muted);
  display: block;
  font-size: .93rem;
}

.flow-grid {
  display: grid;
  gap: .8rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.flow-step {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 8rem;
  padding: 1rem;
}

.flow-step strong {
  display: block;
  margin-bottom: .4rem;
}

.flow-step span {
  color: var(--muted);
  display: block;
  font-size: .92rem;
}

.scenario { border-top: 1px solid var(--line); }
.callout { background: var(--warn); border-color: #fed7aa; color: #4a2b12; font-weight: 760; margin-top: 1rem; }

.glossary {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.glossary h2 { font-size: 1.08rem; margin-bottom: .4rem; }

.glossary-tools {
  align-items: center;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: .8rem;
  grid-template-columns: minmax(0, 1fr) auto;
  margin: 0 auto;
  padding: 1rem;
  width: min(100%, var(--max));
}

.search-input {
  background: #fbfcfb;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  font: inherit;
  min-height: 2.75rem;
  padding: .7rem .85rem;
  width: 100%;
}

.search-input:focus-visible {
  border-color: var(--accent);
  outline: 3px solid rgba(15, 118, 110, .2);
}

.search-meta {
  color: var(--muted);
  font-size: .9rem;
  font-weight: 850;
  white-space: nowrap;
}

.empty-state {
  background: var(--soft-amber);
  border: 1px solid #fed7aa;
  border-radius: var(--radius);
  color: #7c2d12;
  font-weight: 760;
  margin: 1rem auto 0;
  padding: 1rem;
  width: min(100%, var(--max));
}

.quiz-question { margin-bottom: 1rem; }
.quiz-options { display: grid; gap: .5rem; }

.quiz-options button {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  min-height: 2.75rem;
  padding: .7rem .85rem;
  text-align: left;
}

.quiz-options button:hover { border-color: var(--accent); }
.quiz-options button.correct { background: #e7f6f1; border-color: var(--accent); }
.quiz-options button.wrong { background: #fff1e8; border-color: var(--accent-2); }
.quiz-feedback { color: var(--muted); min-height: 1.5rem; }

.score {
  background: var(--ink);
  border-radius: var(--radius);
  color: var(--paper);
  display: inline-flex;
  font-weight: 850;
  margin-top: 1rem;
  padding: .55rem .75rem;
}

@media (max-width: 950px) {
  .intro-layout,
  .grid.two,
  .grid.three,
  .role-split,
  .decision-grid,
  .flow-grid,
  .object-map,
  .glossary { grid-template-columns: 1fr; }
  .process-strip { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .nav { align-items: flex-start; flex-direction: column; }
  .nav-links { justify-content: flex-start; }
  .process-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .timeline li { grid-template-columns: 1fr; }
  .glossary-tools { grid-template-columns: 1fr; }
}