:root {
    --main-gray: #64646E;
    --secondary-gray: #464650;
    --main-orange: #FF7800;
    --white: #fff;
}

html, body {
    height: 100%;
    margin: 0;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    color: var(--main-orange);    
    background-color: var(--secondary-gray);
    display: flex;
    flex-direction: column;
}

header {
    padding: 10px;
    background-color: var(--main-gray);
    font-size: 8px;
    text-align: center;
}

main {
    display: flex;
    flex: 1;
    flex-direction: column;
    justify-content: center;
    align-items: center
}

footer {
    height: 10%;
}

.title {
    text-transform: uppercase;
}

.input-code {
    display: flex;
    gap: 10px;
    margin: 20px 0;
}

.input-image {
    display: flex;
    margin: 20px 0;
}

.input-code input {
    width: 40px;
    height: 60px;
    font-size: 2rem;
    text-align: center;
    border: 2px solid var(--main-orange);
    border-radius: 8px;
    background-color: var(--white);
    color: var(--secondary-gray);
    outline: none;
    transition: 0.2s;
}

.input-code input:focus {
    border-color: var(--white);
    background-color: var(--main-orange);
    color: var(--white);
    transform: scale(1.05);
}
/* supprime les fleches des input */
input[type=number]::-webkit-inner-spin-button, 
input[type=number]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type=file]::-webkit-file-upload-button {
    background-color: var(--main-orange);
    color: var(--white);
    border: none;
    padding: 10px 20px;
    font-size: 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.2s;
}

#validate-btn {
    background-color: var(--main-orange);
    color: var(--white);
    border: none;
    padding: 10px 30px;
    font-size: 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.2s;
}

#validate-btn:hover:enabled {
    transform: scale(1.05);
}

#validate-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}



.image-uploader {
  max-width: 90vw;
  max-height: 60vh;
  border-radius: 12px;
  border: 3px dashed rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--main-gray);
  cursor: pointer;
  transition: border-color .18s ease, box-shadow .18s ease, transform .12s ease;
  overflow: hidden;
}

.image-uploader input[type="file"] {
  display: none;
}

.image-uploader .placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--white);
  text-align: center;
  padding: 14px;
  pointer-events: none;
}

.image-uploader .placeholder svg {
  fill: var(--main-orange);
  opacity: 0.95;
}

.image-uploader .placeholder span {
  font-size: 1rem;
  color: var(--white);
  opacity: 0.95;
}

.image-uploader img#preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
}

.image-uploader:hover,
.image-uploader:focus {
  border-color: var(--main-orange);
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  transform: translateY(-4px);
  outline: none;
}
.image-uploader.dragover {
  border-color: var(--main-orange);
  background: rgba(255, 120, 0, 0.06);
}


#message {
  text-align: center;
}



@media (max-width: 600px) {
  .input-code {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .input-code input {
    height: 65px;
    width: 100%;
    max-width: 50px;
  }
}