index.css

/* #region Overrides */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  background-color: #eee;
  font-family: Inter, Avenir, Helvetica, Arial, sans-serif;
}

h1, h2, h3, h4, h5, h6, label, span, a, p, button, input, select {
  color: #333;
  height: 30px;
  outline: none;
  font-size: 16px;
  line-height: 30px;
  display: inline-block;
}

h1 {
  font-size: 20px;
}

button, input[type="button"] {
  padding: 0 10px;
  cursor: pointer;
  background-color: #ddd;
}

button:active {
  background-color: #bbb;
}

input, select, button, input[type="button"] {
  border: 1px solid #999;
}

input, select {
  padding: 0 5px;
}

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

p {
  line-height: 20px;
}

hr {
  margin-top: 10px;
}

/* #endregion */



/* #region Common */

.svg-button, .svg-button:active {
  border: none;
  background-color: transparent;
}

.svg-button > svg {
  width: 22px;
  height: 100%;
  fill: #999;
  pointer-events: none;
}

.svg-button:active > svg {
  fill: #777;
}

.page-header {
  height: 50px;
  padding: 0 10px;
  text-align: center;
  position: relative;
  border-bottom: 1px solid #999;
}

.page-header > h1, .page-header > button {
  height: 50px;
  line-height: 50px;
  vertical-align: top;
}

.page-header > button {
  top: 0;
  position: absolute;
}

.form-control, .form-control-2 {
  padding: 0 10px;
  margin-top: 10px;
  white-space: nowrap;
}

.form-control > *, .form-control-2 > * {
  vertical-align: top;
}

.form-control > label, .form-control-2 > label {
  width: 100px;
}

.form-control > input, .form-control > select {
  width: calc(100% - 105px);
}

.form-control-2 > input {
  width: calc(100% - 140px);
}

/* #endregion */



/* #region Home Page */

#home-page {
  height: 100%;
  display: none;
  min-height: 100%;
}

#home-import-button {
  right: 10px;
}

#home-import-button > svg {
  transform: rotate(180deg);
}

#home-form-list {
  overflow-y: auto;
  position: relative;
  border-bottom: 1px solid #999;
  height: calc(100% - 30px - 30px - 50px);
}

#home-create-form-button {
  margin: 10px;
  height: 40px;
  display: block;
  font-size: 16px;
  font-weight: bold;
  line-height: 40px;
  background-color: #ddd;
  width: calc(100% - 20px);
  border-top: 1px solid #999;
}

.home-list-item {
  height: 55px;
  display: flex;
  overflow: hidden;
  flex-wrap: nowrap;
  white-space: nowrap;
  align-items: center;
  border-bottom: 1px solid #999;
}

.home-list-item > label {
  flex-grow: 1;
  height: auto;
  font-size: 16px;
  max-height: 65px;
  padding-left: 10px;
  white-space: nowrap;
}

.home-list-item > button {
  width: 45px;
  height: 100%;
  min-width: 45px;
  vertical-align: top;
}

.home-list-item > button:active {
  background-color: #ddd;
}

#home-debug-button, #debug-back-button {
  left: 10px;
  width: 70px;
  height: 30px;
  margin-top: 10px;
  line-height: 30px;
}

/* #endregion */



/* #region Form Page */

#form-page {
  display: none;
  min-height: 100%;
  padding-bottom: 30px;
}

#form-back-button {
  left: 10px;
}

#form-back-button > svg {
  width: 18px;
  transform: scaleX(1.6);
}

#form-download-button {
  right: 10px;
}

.form-heading {
  display: block;
  font-weight: bold;
  white-space: nowrap;
}

.form-list-heading > label {
  font-weight: bold;
  white-space: nowrap;
  width: calc(100% - 50px);
}

#form-page-form {
  min-height: calc(100% - 50px);
}

#form-page-form > .form-list > .form-list-content > .form-list-item:not(:first-of-type) {
  margin-top: 10px;
  border-top: 1px solid #333;
}

.form-list-item:last-of-type {
  padding-bottom: 10px;
}

.form-list-item-heading > label {
  font-weight: bold;
  white-space: nowrap;
  width: calc(100% - 95px);
}

.form-list-item-heading > div > * {
  vertical-align: top;
}

.form-delete-item-button > svg {
  width: 20px;
}

.form-file-upload-button, .form-file-open-button {
  width: 30px;
  padding: 0;
}

.form-file-open-button {
  display: none;
}

.form-file-open-button > svg {
  width: 25px;
}

.form-control-file > .form-file-upload-label {
  padding-left: 5px;
  width: calc(100% - 105px - 30px - 30px - 15px);
}

.form-list-content {
  background-color: #ddd; /* these .form-list-content items are for progressively darker colors when nested  */
}

.form-list-content .form-list-content {
  background-color: #ccc;
}

.form-list-content .form-list-content .form-list-content {
  background-color: #bbb;
}

.form-list-content .form-list-content .form-list-content .form-list-content {
  background-color: #aaa;
}

.form-list-item.folded > .form-list-item-content {
  display: none;
}

.form-list-item:not(.folded) .form-toggle-item-button > svg:first-of-type {
  display: none;
}

.form-list-item:not(.folded) .form-toggle-item-button > svg:last-of-type {
  display: block;
}

.form-list-item.folded .form-toggle-item-button > svg:first-of-type {
  display: block;
}

.form-list-item.folded .form-toggle-item-button > svg:last-of-type {
  display: none;
}

#form-page-image-dialog {
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
  position: fixed;
  pointer-events: all;
  background-color: rgba(0, 0, 0, 0.7);
}

#form-page-image-dialog-close-button {
  right: 0;
  top: 10px;
  position: absolute;
}

#form-page-image-dialog-image {
  display: block;
  max-width: 100%;
  max-height: 100%;
  pointer-events: none;
}

#debug-form-data {
  width: 100%;
  padding: 10px;
  display: block;
  white-space: break-spaces;
}

/* #endregion */



/* #region Debug Page */

#debug-page {
  display: none;
}

#debug-page > button {
  margin: 20px;
}

/* #endregion */



/* #region Modifiers */

.mt-10 {
  margin-top: 10px;
}

.p-10 {
  padding: 10px;
}

.p-0-10 {
  padding: 0 10px;
}

.pt-10-10-0-10 {
  padding: 10px 10px 0 10px;
}

.ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
}

.float-right {
  float: right;
}

.center {
  top: 50%;
  left: 50%;
  position: absolute;
  transform: translate(-50%, -50%);
}

/* #endregion */