/* ==========================================================================
   Submission form — wizard chrome, fields and the upload dropzone.
   ========================================================================== */

.page--form {
  max-width: 46rem;
  margin: 0 auto;
  min-height: 100%;
  display: flex;
  align-items: stretch;
  width: 100%;
}

.wizard {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  justify-content: space-between;
  width: 100%;
}

/* --------------------------------------------------------------------------
   Progress breadcrumb
   -------------------------------------------------------------------------- */

.wizard__progress {
  margin-bottom: var(--space-l);
}

.wizard__steps {
  display: flex;
  flex-wrap: wrap;
  gap: 3px 3px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.wizard__step {
  flex: 1 1 auto;
}

.wizard__step-button {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  width: 100%;
  padding: 0;
  border: 0;
  height: 5px;
  background: none;
  background-color: var(--colour-border);

  color: var(--colour-muted);
  font: inherit;
  font-size: 0.875rem;
  text-align: left;
  cursor: pointer;
}

.wizard__step-button[aria-disabled="true"] {
  cursor: default;
}

.wizard__step[data-state="current"] .wizard__step-button {
  background-color: var(--colour-text);
}

/* Labels take too much room on narrow screens; the number carries the meaning. */
@media (max-width: 34rem) {
  .wizard__step-label {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }
}

/* --------------------------------------------------------------------------
   Screens and navigation
   -------------------------------------------------------------------------- */

.wizard__screens {
  flex-grow: 1;
  flex-shrink: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
}

.screen {
  margin-bottom: var(--space-l);
}

.screen[hidden] {
  display: none;
}

.screen__title {
  margin-bottom: var(--space-s);
}
.screen__title__small {
  font-size: 0.55em;
  display: block;
  font-weight: 300;
  margin-bottom: var(--space-xs);
}

#screen-1-heading {
  margin-bottom: var(--space-l);
}
#screen-1-heading:after {
  margin-top: var(--space-m);
  content: "";
  display: block;
  width: 2.5em;
  max-width: 100%;
  margin-inline: auto;
  height: 1px;
  background: currentColor;
}

.wizard__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-s);
  justify-content: center;
}

.form {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-between;
}

.form__actions {
  margin-top: var(--space-m);
}

.form__legal {
  font-size: 0.75rem;
  color: var(--colour-muted);
}

/* --------------------------------------------------------------------------
   Fields
   -------------------------------------------------------------------------- */

.input-field-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-m);
  flex-basis: 50%;
  margin-bottom: var(--space-xs);
}
.input-field-wrapper .field {
  flex-basis: calc(50% - var(--space-m) / 2);
  margin-bottom: 0;
}
.input-field-wrapper .field:last-child {
  flex-basis: 100%;
}

.field {
  margin-bottom: var(--space-m);
}

.field__label {
  display: block;
  margin-bottom: var(--space-3xs);
}

.field__required {
  color: var(--colour-error);
}

.field__help {
  margin: 0 0 var(--space-2xs);
  color: var(--colour-muted);
  font-size: 0.9375rem;
}

.field__error {
  margin: 0;
  color: var(--colour-error);
  font-size: 0.875rem;
}

.field__control {
  display: block;
  width: 100%;
  min-height: 2.75rem;
  padding: var(--space-2xs) var(--space-xs);
  border: 1px solid var(--colour-border);
  border-radius: var(--radius);
  background: var(--colour-surface);
  color: inherit;
  font: inherit;
}

.field__control--textarea {
  min-height: 9rem;
  resize: none;
}

.field__control[aria-invalid="true"] {
  border-color: var(--colour-error);
  border-width: 2px;
}

.fieldset {
  margin: 0 0 var(--space-xs);
  padding: 0;
  border: 0;
}

.fieldset__legend {
  padding: 0 var(--space-2xs);
  font-weight: 700;
}

.field--checkbox {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-2xs) var(--space-xs);
  margin-bottom: var(--space-s);
}

.field__checkbox {
  width: 1rem;
  height: 1rem;
  margin: 0.2rem 0 0;
  position: relative;
  top: -0.1em;
}

.field__checkbox-label {
  font-size: 0.9375rem;
}

.field--checkbox .field__error {
  grid-column: 2;
}

word-counter .field__control--textarea {
  height: calc(50vh - 6rem);
}

.field__count {
  padding: var(--space-3xs) 0;
  color: var(--colour-muted);
  margin: 0;
  font-size: 0.875rem;
  text-align: right;
}

.field__count[data-state="over"] {
  color: var(--colour-error);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Image upload
   -------------------------------------------------------------------------- */

.dropzone {
  padding: var(--space-m);
  border: 2px dashed var(--colour-text);
  border-radius: var(--radius);
  background: var(--colour-surface-alt);
  text-align: center;
}

.dropzone[data-state="dragover"] {
  border-color: var(--colour-accent);
  background: #eaf1fd;
}

.dropzone[data-state="filled"] {
  border-style: solid;
  background: var(--colour-surface);
}

.dropzone__hint {
  margin: 0;
}

.dropzone__hint:before {
  content: "";
  width: 2em;
  height: 2em;
  display: block;
  background-color: var(--colour-text);
  border-radius: 50%;
  background-image: url("../images/icon-upload.svg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 1em auto;
  margin: 0 auto var(--space-2xs);
}

.dropzone__hint small {
  display: block;
  color: var(--colour-muted);
}
.dropzone__hint label {
  text-decoration: underline;
  cursor: pointer;
}

.field__control--file {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.dropzone__preview {
  margin-top: var(--space-s);
}

.dropzone__preview[hidden] {
  display: none;
}

.dropzone__preview-image {
  max-height: 18rem;
  border-radius: var(--radius);
}

.dropzone__filename {
  margin: var(--space-2xs) 0;
  color: var(--colour-muted);
  font-size: 0.875rem;
  overflow-wrap: anywhere;
}

/* Once an image is chosen the native input is redundant. */
.dropzone[data-state="filled"] .dropzone__hint,
.dropzone[data-state="filled"] .field__control--file {
  display: none;
}

image-upload + .field__error {
  margin-top: var(--space-xs);
}

.form.is-submitting {
  opacity: 0.6;
  pointer-events: none;
}