.app-container {
  width: 95%;
  max-width: 900px;
  margin: 10px auto;
  padding: 20px;
  background: #f0f0f0;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  font-family: sans-serif;
}

.texture-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px;
  margin-bottom: 10px;
  padding: 10px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid #ccc;
  position: relative; /* nécessaire pour le bouton absolu */
}

.texture-controls label {
  display: flex;
  flex-direction: column;
  font-size: 13px;
  font-weight: 500;
}

.texture-controls input,
.texture-controls select {
  padding: 4px;
  margin-top: 3px;
  border-radius: 5px;
  border: 1px solid #ccc;
  font-size: 12px;
}

.texture-controls input:focus,
.texture-controls select:focus {
  border-color: #4CAF50;
}

/* Bouton supprimer vertical sur le côté gauche */
.remove-texture {
  position: absolute;
  left: -20px;
  top: 50%;
  transform: translateY(-50%) rotate(-90deg);
  background: #f44336;
  color: white;
  border: none;
  border-radius: 3px;
  padding: 4px 6px;
  cursor: pointer;
  font-size: 12px;
}

#add-texture-btn {
  margin: 10px 0;
  background: linear-gradient(135deg,#4CAF50,#45a049);
  color:white;
  border:none;
  border-radius:6px;
  padding:8px 12px;
  cursor:pointer;
}

#preview {
  display: flex;
  justify-content: center;
  margin-top: 10px;
}

#texture-canvas {
  width: 100%;
  max-width: 600px;
  height: auto;
  border: 1px solid #ccc;
  border-radius: 8px;
}