header {
    display: flex;
    flex-direction: column;
    background-color: var(--background-color) ;
    width: 90%;
    height: 4vw;
    padding: 1vw;
    align-self: center;
    justify-content: center;
    gap: 2%;
    flex: 0 0 auto;   
    position: fixed;
    z-index: 100;
}
body {
  margin: 0;
}
.part-top { 
    position: relative; 
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-height: 2.5vw;
}


img.logo  {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 5%;
  height: 170%;
}
.back_to_home {
  border-radius: 90vw;
  height: 100%;
  font-size: 3vw;
  display: flex;
  flex-direction: row;
  align-items: center;
  padding: 0.5vw 1.5vw;
  gap: 1vw;
  border: 0.15vw solid var(--primary-color);
  box-sizing: border-box;
}
.back_to_home p {
  font-family: 'Sony_Sketch_EF';
  font-size: 60%;
  margin: 0;
}
.back_to_home img {
  height: 100%;
}

.icons  {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 2vw;
    font-size: 1.2vw;
    
}

.icons img {
    width: 1.2vw;
    height: 1.2vw;
    padding: 0.7vw;
    border-radius: 0.4vw;
}


.icons span {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.2vw;
    padding: 0.2vw  0.4vw;
    border-radius: 0.4vw;
}
.icons span img {
    width: 0.8vw;
    height: 0.8vw;
}



h1 {
    align-self: flex-end;
}



.input-code-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1vw;
  position: relative;
  width: 100%;
  background-color: transparent;
}

.input {
    position: absolute;
  border-style: none;
  height: 2vw;
  width: 0vw; 
  padding: 0.2vw;
  right: 0;
  outline: none;
  padding-right: 4vw;
  background-color: transparent;
  color: var(--primary-color);
  font-size: 1.2vw;
  transition: all 500ms ease-in-out;
  overflow: hidden;
  opacity: 0; /* 👈 invisible visuellement */
  pointer-events: none; 
  margin-top: 1vw;
}

/* Placeholder invisible tant que pas focus */
.input::placeholder {
  color: var(--primary-color);
  transition: color 0.3s ease-in-out;
}

.input:focus::placeholder {
  color: var(--primary-color);
}

.codeBtn{
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
    right: 0;
  cursor: pointer;
  outline: none;
  border-style: none;
  border-radius: 9000vw;
  background-color: var(--primary-color);
  transition: 0.2s linear;
  padding: 0 0.5vw;
}
.codeBtn:hover{
  opacity: 0.5;
}
.codeBtn img {
  filter: invert();
}

/* Quand l'icône est cliquée ou que le champ est focus */
.codeBtn:focus ~ .input,
.input:focus {
  width: 10vw;
  border-radius: 0;
  background-color: transparent;
  border-bottom: 0.2vw solid var(--primary-color);
  opacity: 1;
  pointer-events: auto;
  margin-bottom: 0vw; ;
  cursor: pointer;
}