Stirling-PDF/stirling-pdf/src/main/resources/static/css/fileSelect.css

.custom-file-chooser {
  display: flex;
  flex-direction: column;
  position: relative;

  min-height: 55px;
  border-radius: 1rem;
  --selected-files-display: none;
}

.input-container {
  position: relative;
  border-radius: 1rem;
  border: 1px dashed rgb(105, 116, 134);

  column-gap: 7px;
  row-gap: 7px;
  height: 150px;
  width: 100%;

  --overlay-display: none;
  transition: background-color 0.5s linear;
}

.input-container:hover {
  outline: none;
  border: none;
  background-color: var(--md-sys-color-surface-container-low);

 -webkit-transition:  box-shadow 1s ease, background-color 2s linear;
 -moz-transition:  box-shadow 1s ease, background-color 2s linear;
 -o-transition:  box-shadow 1s ease, background-color 2s linear;
 -ms-transition: box-shadow 1s ease, background-color 2s linear;
 transition: box-shadow 1s ease, background-color 2s linear;

 box-shadow: 0 0 10px rgb(105, 116, 134);
 cursor: pointer;
}

.input-container * {
  user-select: none;
  pointer-events: none;
}


.input-container::before {
  display: var(--overlay-display);
  position: absolute;

  content: '';

  top: 0;
  left: 0;

  height: 100%;
  width: 100%;

  background-color: var(--md-sys-color-surface);
  z-index: 1;

  white-space: pre;
  border-radius: 1rem;
}

.input-container::after {
  display: var(--overlay-display);
  position: absolute;

  content: attr(data-text);
  font-size: 0.9rem;
  font-weight: 550;
  color: var(--md-sys-color-on-surface);

  background-color: transparent;

  min-width: 150px;

  top: 50%;
  left: 50%;

  transform: translateX(-50%) translateY(-50%);
  text-align: center;

  z-index: 2;
}

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

.input-container div:nth-of-type(2) {
  color: var(--md-sys-color-on-surface);
}

.input-container div:nth-of-type(1), .input-container div:nth-of-type(3) {
  color: var(--md-sys-color-on-surface);
  font-size: 16px;
  font-weight: bold;
}

/* Responsive text sizing for drag & drop area */
#fileInputText {
  font-size: 16px;
  font-weight: bold;
  color: var(--md-sys-color-on-surface);
  max-width: 100%;
  padding: 0 10px;
  box-sizing: border-box;
}

/* Progressive font size reduction for high zoom levels */
@media only screen and (max-width: 1280px) {
  #fileInputText {
    font-size: 15px;
  }
}

@media only screen and (max-width: 960px) {
  #fileInputText {
    font-size: 14px;
  }
}

@media only screen and (max-width: 768px) {
  #fileInputText {
    font-size: 13px;
  }
}

@media only screen and (max-width: 640px) {
  #fileInputText {
    font-size: 12px;
  }
}

@media only screen and (max-width: 480px) {
  #fileInputText {
    font-size: 11px;
    line-height: 1.3;
  }
}

@media only screen and (max-width: 384px) {
  #fileInputText {
    font-size: 10px;
    line-height: 1.4;
  }

  /* Also scale the container at ultra-high zoom */
  .input-container {
    height: 130px;
    padding: 5px;
  }
}

.file-input-btn {
  display: inline-block;

  border: 1px solid #ccc;
  padding: 6px 12px;
  cursor: pointer;

  color: #212529;
  font-size: 1rem;
  border-radius: 3rem;

  background-color: #DDE0E3;
}

.small-file-container {
  padding-top: 1px;
  position: relative;
  row-gap: 1px;
  height: 60px;
  width: 60px;
  top:4px;
}

.file-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 30px;
  width: 30px;
}

.file-icon * {
  height: inherit;
  width: inherit;
}

.file-info {
  min-width: 0;
}

.file-info > div:nth-child(1) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--md-sys-color-on-surface);

  max-width: 60px;
  font-size: 0.75rem;
}

.file-info > div:nth-child(2) {
  overflow: hidden;
  text-overflow: ellipsis;
  color: grey;

  max-width: 60px;
  font-size: 10px;
}

.remove-selected-file {
  display: flex;
  justify-content: center;
  align-items: center;

  position: absolute;
  height: 15px;
  width: 15px;

  right: 0px;
  top: -17px;
}

.remove-selected-file * {
  overflow: hidden;
  height: inherit;
  width: inherit;
  z-index: 3;
  pointer-events: none;
  user-select: none;
}

.remove-selected-file:after {
  content: '';
  position: absolute;

  left: 1;

  width: 10px;
  height: 10px;
  border-radius: 50%;

  background-color: white;
  z-index: 2;

  user-select: none;
  pointer-events: none;
}

.remove-selected-file:hover {
  cursor: pointer;
}

.custom-file-label {
  padding-right: 90px;
}

.selected-files {
  display: var(--selected-files-display);
  padding-left: 5px;
  padding-right: 3px;
  padding-top: 15px;
  padding-bottom: 15px;

  flex: 1;
  white-space: pre-wrap;

  row-gap: 12px;
  column-gap: 5px;

  border-radius: 1rem;
  border: 1px solid rgb(105, 116, 134, 0.5);
}

.draggable-image-overlay{
  position: absolute;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  z-index: 10;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 16px;
  font-weight: bold;
  pointer-events: none;
  left:0;
  top:0;
  height:100%;
  width:100%;
  border-radius: 1rem;
}

.small-file-container:hover .drag-icon {
  display: flex;
}

.drag-icon {
  display: none;
  position: absolute;
  top: 5px;
  width: 20px;
  height: 20px;
  background: rgba(0, 0, 0, 0.5);
  color: white;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 14px;
  pointer-events: none;
  z-index: 1;
}

#imagePreviewModal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.google-drive-button {
  width: 2.5rem;
  pointer-events: auto;
  cursor: pointer;
  transition-duration: 0.4s;
  border-radius: 0.5rem;
  box-shadow: 0 0 5px  var(--md-sys-color-on-surface-variant);
  background-color: var(--md-sys-color-on-surface-container-high)
}

.horizontal-divider {
  width:  85%;
  border-top: 1px dashed;
  padding: 0px;
  margin: 10px;
}

.google-drive-button img {
  width:100%
}

.google-drive-button:hover {
  background-color: var(--md-sys-color-on-surface-variant)
}