:root {
  color-scheme: dark;
}

body {
  margin: 0;
}

/* === LAYOUT GRAPHE === */
.graphe-layout {
  display: grid;
  grid-template-columns: minmax(180px, 220px) minmax(0, 1fr) minmax(220px, 260px);
  gap: 14px;
  width: 95%;
  max-width: 1180px;
  margin: 2% auto;
  padding: 1rem;
}

.panneau {
  border: 2px solid #2b2b2b;
  padding: 10px;
  background-color: rgba(0, 0, 0, 0.6);
  border-radius: 8px;
  overflow-y: auto;
  max-height: 74vh;
}

.panneau h1 {
  margin: 0 0 0.7rem;
  font-size: 1.25rem;
  padding-bottom: 0;
}

#doc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

#doc-list li {
  cursor: pointer;
  padding: 6px;
  border-bottom: 1px solid #2b2b2b;
}

#doc-list li:hover {
  background-color: #1b1b1b;
}

#doc-content {
  line-height: 1.6;
}

#doc-content h2 {
  margin-top: 20px;
}

#graph {
  width: 100%;
  height: 300px;
  border: 2px solid #550000;
  border-radius: 6px;
  background-color: #0b0b0b;
}

.note {
  font-size: 0.8rem;
  text-align: center;
  margin: 8px 0 0;
}

@media (max-width: 1080px) {
  .graphe-layout {
    grid-template-columns: 1fr;
    max-width: 850px;
  }

  .panneau {
    max-height: none;
  }

  #graph {
    height: 340px;
  }
}