body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
  background: url('./images/0831/image001.jpg') no-repeat center center;
  background-size: cover;
}
.cell {
  width: 30px;
  height: 30px;
  text-align: center;
}
.highlight {
  background-color: #cccccc;
}
input {
  width: 28px;
  height: 28px;
  text-align: center;
  border: none;
  outline: none;
  background-color: transparent; /* Fond transparent pour les inputs */
}
#alert-message {
  color: red;
  font-weight: bold;
  margin-top: 10px;
  display: none;
  text-align: center;
  text-shadow: 3px 3px 4px white;
}
.controls {
  margin-top: 10px;
  margin-bottom: 10px;
  padding-top: 10px;
  text-align: center;
  background-color: hsla(0, 0%, 83%, 0.8);
}
.controls button {
  margin: 5px;
}
.no-select {
  -webkit-touch-callout: none; /* iOS Safari */
  -webkit-user-select: none; /* Safari */
  -khtml-user-select: none; /* Konqueror HTML */
  -moz-user-select: none; /* Firefox */
  -ms-user-select: none; /* Internet Explorer/Edge */
  user-select: none; /* Non-prefixed version, currently
                              supported by Chrome, Edge, Opera and Firefox */
}
.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  text-align: center;
  padding: 10px;
  z-index: 5;
  background-color: transparent;
  color: white; /* Texte en blanc */
  text-shadow: 2px 2px 4px black; /* Ombre bleue autour du texte */
}
.footer a, .footer a:visited, .footer a:hover, .footer a:active {
  color: white; /* Couleur des liens */
  text-decoration: none; /* Pas de soulignement pour les liens */
}
.titre {
  z-index: 5;
  background-color: transparent;
  color: white; /* Texte en blanc */
  text-shadow: 2px 2px 4px black; /* Ombre bleue autour du texte */
}
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: transparent;
  text-align: center;
  padding: 10px;
  z-index: 5;
}
.grille {
  padding: 10px;
  z-index: 2;
  color: black;
}
.possible-cell {
  text-align: center;
  vertical-align: middle;
  width: 30px;
  height: 30px;
  border: 1px solid blue;
}
.filled-cell {
  background-color: lightgreen;
}
.highlight-tutorial {
  background-color: #87ceeb;
} /* LightSkyBlue */
.highlight-unique {
  background-color: #00008b;
  color: white;
} /* DarkBlue */
.highlight-row,
.highlight-block,
.highlight-col {
  background-color: yellow;
}
.highlight-unique-value {
  background-color: green;
}
#possible-values-grid {
  display: none; 
}
.choix {
  height: 30px;
  cursor: pointer;
}
.top {
  margin-left: 20px;
  margin-top: 10px;
}