form.css

/* Reset */ html { box-sizing:border-box } *, *:before, *:after { box-sizing:inherit } body { margin:0 } button{ background:inherit; border:none; box-shadow:none; border-radius:0; padding:0; overflow:visible; cursor:pointer; user-select: none }

body { 
  font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
  user-select: none;
}

#wrap-all {
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

header {
  width: 100%;
  display: none; /* SET FLEX BY JS */
  justify-content: space-between;
  padding: 0.5rem;
  margin-bottom: 1rem;
  position: sticky;
  top: 0;
}

header div {
  display: flex;
  gap: 0.5rem;
}

header button {
  padding: 1rem;
  border-radius: 50%;
  background-color: rgb(39, 109, 39);
  color: white;
  font-weight: bold;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 0 0.6rem rgba(211, 211, 211, 0.5);
}

#left-menu button {
  background-color: rgb(62, 98, 198)
}

header button i {
  font-size: x-large;
}

main {
  width: 600px;
  margin: 3rem 0;
  padding: 1.5rem;
  border-radius: 20px;
  box-shadow: 0 3px 12px gray;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

#group-drop-areas {
  display: flex;
  gap: 1.5rem;
  align-items: start; /* Don't stretch downwards if sibling grows when adding files */
}
@media only screen and (max-width: 600px) {
  main {
    width: 360px;
  }
  #group-drop-areas {
    flex-direction: column;
    align-items: stretch;
  }
}

.drop-area {
  min-width: 48%;
  min-height: 180px;
  padding: 0 0.3rem;
  border-radius: 12px;
  background-color: AliceBlue;
  border: steelblue 3px dashed;
  color: steelblue;
  display: flex;
  flex-direction: column;
  overflow-x: visible;
}

.drop-area.highlight {
  border-color: purple;
  background-color: white;
}

.drop-area .uploader {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.uploader i { font-size: 60px; margin: 9px; opacity: 0.5;}
.uploader p { text-align: center; }
.uploader label {
  color: steelblue;
  font-weight: bold;
  font-size: larger;
  text-decoration: underline;
  cursor: pointer;
}

.uploader label:hover {
  opacity: 0.8;
}

.uploader.disabled {
  display: none;
}

input[type="file"] {
display: none;
}

.clear-button {
  display: none;
}

.uploader.disabled~.clear-button {
  font-size: medium;
  text-decoration: underline;
  margin: 0.3rem;
  display: block;
  text-align: right;
  color: steelblue;
}
    
.card {
  flex-shrink: 0;
  height: 1.8rem;
  font-size: smaller;
  padding: 0.3rem 0.5rem;
  background-color: slategray;
  color: white;
  border: slategray solid 0.2rem;
  border-radius: 6px;
  margin: 0.2rem 0;
  white-space: nowrap;
  overflow: hidden;
}

.card:hover { 
  cursor: pointer;
  opacity: 0.9;
  }

.checkbox-label-wrapper {
  display: flex;
  align-items: center;
}

.checkbox-label-wrapper input {
  width: 1.2rem;
  height: 1.2rem;
  margin-right: 1ch;
  accent-color: steelblue;
}

#main-buttons {
  display: flex;
  justify-content: center;
}
#main-buttons button {
  width: 48%;
  border-radius: 6px;
  padding: 1rem;
  font-size: 1.1rem;
  font-weight: bold;
  color: white;
}

#go-button { background-color: steelblue }
#go-button:disabled { background-color: lightgray; cursor: not-allowed }

button:hover {
  opacity: 0.8;
}