body {
  font-family: "Segoe UI", Arial, sans-serif;
  background-color: #f9fafb;
  color: #222;
  margin: 0;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

h1 {
  text-align: center;
  color: #005f9e;
  margin-bottom: 20px;
}

#quiz {
  background: white;
  padding: 25px 30px;
  border-radius: 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  width: 100%;
  max-width: 700px;
  transition: all 0.3s ease;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  font-size: 0.95em;
  color: #444;
}

.question {
  font-weight: 600;
  font-size: 1.2em;
  margin: 30px 0 15px 0;
  color: #222;
}

label {
  display: block;
  margin: 8px 0;
  padding: 10px 14px;
  border-radius: 8px;
  background-color: #f3f4f6;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

label:hover {
  background-color: #e6e9ef;
  transform: scale(1.01);
}

input[type="checkbox"] {
  margin-right: 10px;
}

.correct {
  background-color: #d6f8d6 !important;
  border-left: 5px solid #34a853;
}

.wrong {
  background-color: #ffd8d8 !important;
  border-left: 5px solid #ea4335;
}

#controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 20px;
}

#mainButtons {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 10px;
}

#mainButtons button,
#controls > div > button {
  padding: 10px 20px;
  font-size: 1em;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  background-color: #0078d4;
  color: white;
  transition: background 0.2s ease;
}

#mainButtons button:hover,
#controls > div > button:hover {
  background-color: #005a9e;
}

#controls > div:last-child button {
  background-color: #6b7280;
}

#controls > div:last-child button:hover {
  background-color: #4b5563;
}

#validateBtn {
  background-color: #34a853 !important;
  /* vert */
  color: white;
}

#validateBtn:hover {
  background-color: #0f9d58 !important;
  /* vert plus foncé au survol */
}

#nextBtn.terminer {
  background-color: #0078d4 !important;
  /* bleu */
  color: white;
}

#nextBtn.terminer:hover {
  background-color: #005a9e !important;
  /* bleu foncé au survol */
}

#quiz {
  display: none;
  /* caché au départ */
  opacity: 0;
  transform: translateY(10px);
  padding-top: 50px;
  /* laisse de la place pour le bouton */
}

#menuWrapper {
  opacity: 0;
  transform: translateY(10px);
  animation: fadeIn 0.3s ease forwards;
}

#menuWrapper > div {
  margin-top: 10px;
  margin-bottom: 10px;
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

#modeButtons button {
  padding: 12px 25px;
  font-size: 1.1em;
  font-weight: bold;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

#modeButtons button.training {
  background: linear-gradient(135deg, #34a853, #0f9d58);
  color: white;
}

#modeButtons button.exam {
  background: linear-gradient(135deg, #ea4335, #c5221f);
  color: white;
}

#modeButtons button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

#backMenuBtn,
#backMenuSummaryBtn {
  padding: 8px 15px;
  background-color: #6b7280;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
  transition: background 0.2s, transform 0.1s;
}

#backMenuBtn:hover,
#backMenuSummaryBtn:hover {
  background-color: #4b5563;
  transform: translateY(-1px);
}

#questionCount {
  padding: 5px 8px;
  font-size: 1em;
  border: 1px solid #ccc;
  border-radius: 6px;
  text-align: center;
}

@keyframes fadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* back controls : aligner à droite et espacer les boutons */
#backWrapper {
  width: 100%;
}

#backControls {
  display: flex;
  justify-content: flex-end;
  /* aligne à droite */
  gap: 10px;
  align-items: center;
}

/* --- Glossaire simple et épuré --- */
#glossaryModal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

#glossaryModal .modal-content {
  width: 80%;
  height: 80vh;
  /* Hauteur fixe */
  ;
  background: white;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  position: relative;
  /* Pour positionner la croix */
  display: flex;
  flex-direction: column;
}

#glossaryModal .close-btn {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 24px;
  cursor: pointer;
  color: #666;
}

#glossaryModal .close-btn:hover {
  color: #333;
}

/* Style pour la liste des acronymes */
#glossaryList {
  flex: 1;
  overflow-y: auto;
  /* Défilement vertical uniquement pour la liste */
  margin-top: 10px;
}

#glossaryList p {
  margin: 10px 0;
  padding: 8px;
  border-bottom: 1px solid #eee;
}

/* Style pour le champ de recherche */
#searchGlossary {
  width: 50%;
  padding: 10px;
  margin-top: 25px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 16px;
}

/* Boutons */
#backMenuBtn,
#glossaryBtn {
  padding: 8px 15px;
  border: none;
  border-radius: 8px;
  font-weight: bold;
  color: white;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
}

#backMenuBtn {
  background-color: #6b7280;
}

#backMenuBtn:hover {
  background-color: #4b5563;
  transform: translateY(-1px);
}

#glossaryBtn {
  background-color: #005a9e;
}

#glossaryBtn:hover {
  background-color: #0078d4;
  transform: translateY(-1px);
}