/* MetricLab Design System: Form System
   Sole owner of canonical ml-form, ml-field, ml-control, ml-choice,
   ml-segmented, ml-validation and ml-result-panel components. */
:root {
  --form-gap: var(--space-lg);
  --form-field-gap: var(--space-xs);
  --form-control-height: 2.75rem;
  --form-control-padding-block: 0.625rem;
  --form-control-padding-inline: 0.75rem;
  --form-control-radius: var(--radius-sm);
  --form-control-border: var(--ml-border);
  --form-control-border-hover: color-mix(
    in srgb,
    var(--ml-primary) 40%,
    var(--ml-border)
  );
  --form-control-background: var(--ml-surface);
  --form-control-color: var(--ml-text);
  --form-control-placeholder: var(--ml-text-soft);
  --form-label-gap: var(--space-xs);
  --form-helper-gap: var(--space-2xs);
  --form-validation-gap: var(--space-2xs);
  --form-result-gap: var(--space-md);
  --form-textarea-min-height: 12.5rem;
  --form-choice-size: 1rem;
  --form-focus-ring: var(--shadow-focus);
  --form-error-color: var(--ml-danger);
  --form-warning-color: color-mix(
    in srgb,
    var(--ml-danger) 62%,
    var(--ml-text)
  );
  --form-success-color: var(--ml-positive);
  --form-disabled-opacity: 0.55;
}

.ml-form {
  display: flex;
  flex-direction: column;
  gap: var(--form-gap);
  min-width: 0;
}

.ml-field-group,
.field,
.form-group,
.input-shell {
  display: flex;
  flex-direction: column;
  gap: var(--form-group-gap, var(--form-field-gap));
  min-width: 0;
}

:is(.field, .form-group, .input-shell) {
  margin-bottom: var(--form-group-margin, 0.75rem);
}

.ml-field-label,
.field label,
.form-label {
  color: var(--ml-text);
  font-size: var(--form-label-size, var(--text-sm));
  font-weight: var(--form-label-weight, var(--weight-semibold, 600));
  line-height: var(--line-snug);
  text-align: start;
}

.ml-persistent-label {
  display: block;
  margin: 0 0 var(--form-label-gap);
  color: var(--ml-text);
  font-size: var(--form-label-size, var(--text-sm));
  font-weight: var(--form-label-weight, var(--weight-semibold, 600));
  line-height: var(--line-snug);
  text-align: start;
}

.ml-form-control,
.input,
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  min-width: 0;
  min-height: var(--input-min-height, var(--form-control-height));
  padding: var(
    --input-padding,
    var(--form-control-padding-block) var(--form-control-padding-inline)
  );
  border: 1px solid var(--input-border, var(--form-control-border));
  border-radius: var(--input-radius, var(--form-control-radius));
  background: var(--input-bg, var(--form-control-background));
  color: var(--input-text, var(--form-control-color));
  font: inherit;
  line-height: var(--line-normal);
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    color var(--transition-fast),
    opacity var(--transition-fast);
}

.ml-form-control::placeholder,
.input::placeholder,
.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--form-control-placeholder);
  opacity: 1;
}

:is(
    .ml-form-control,
    .input,
    .form-input,
    .form-select,
    .form-textarea
  ):hover:not(:disabled, [aria-disabled="true"]) {
  border-color: var(--form-control-border-hover);
}

.ml-form-control:focus,
.ml-form-control:focus-visible,
.input:focus,
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--ml-primary);
  outline: none;
  box-shadow: var(--form-focus-ring);
}

.ml-form-control:disabled,
.ml-form-control[disabled],
.ml-form-control[aria-disabled="true"],
:is(.input, .form-input, .form-select, .form-textarea):disabled,
:is(.input, .form-input, .form-select, .form-textarea)[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: var(--form-disabled-opacity);
  pointer-events: none;
}

.ml-textarea-control,
.form-textarea {
  min-height: var(--form-textarea-min-height);
  resize: vertical;
}

.ml-select-control {
  min-height: var(--form-control-height);
  padding-inline-end: calc(
    var(--form-control-padding-inline) + var(--space-lg)
  );
  color-scheme: light dark;
}

.ml-file-control {
  max-width: 100%;
  color: var(--ml-text-muted);
  font: inherit;
}

.ml-file-control::file-selector-button {
  margin-inline-end: var(--space-sm);
  font: inherit;
}

.ml-field-helper,
.field small,
.form-help {
  margin: var(--form-helper-gap) 0 0;
  color: var(--ml-text-muted);
  font-size: var(--text-xs);
  line-height: var(--line-normal);
  text-align: start;
}

.ml-validation {
  min-height: 1.25em;
  margin: var(--form-validation-gap) 0 0;
  color: var(--ml-text-muted);
  font-size: var(--text-xs);
  line-height: var(--line-normal);
  text-align: start;
}

.ml-validation[data-state="error"],
.ml-validation--error {
  color: var(--form-error-color);
}

.ml-validation[data-state="warning"],
.ml-validation--warning {
  color: var(--form-warning-color);
}

.ml-validation[data-state="success"],
.ml-validation--success {
  color: var(--form-success-color);
}

.ml-choice-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  min-width: 0;
}

.ml-choice {
  display: inline-flex;
  gap: var(--space-sm);
  align-items: flex-start;
  color: var(--ml-text);
  font-size: var(--text-sm);
  line-height: var(--line-normal);
  cursor: pointer;
}

.ml-check-control,
.ml-radio-control {
  flex: 0 0 auto;
  width: var(--form-choice-size);
  height: var(--form-choice-size);
  margin: 0.2em 0 0;
  accent-color: var(--ml-primary);
}

.ml-check-control:focus-visible,
.ml-radio-control:focus-visible,
.ml-switch-control:focus-visible {
  outline: 2px solid var(--ml-primary);
  outline-offset: 3px;
}

.ml-switch {
  display: inline-flex;
  gap: var(--space-sm);
  align-items: center;
  color: var(--ml-text);
  font-size: var(--text-sm);
  cursor: pointer;
}

.ml-switch-control {
  width: 2.5rem;
  height: 1.375rem;
  margin: 0;
  accent-color: var(--ml-primary);
}

.ml-segmented {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-2xs);
  max-width: 100%;
  padding: var(--space-2xs);
  border: 1px solid var(--ml-border);
  border-radius: var(--radius-md);
  background: var(--ml-surface-alt);
}

.ml-segmented__item {
  min-height: var(--form-control-height);
  padding-inline: var(--space-md);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ml-text-muted);
  font: inherit;
  font-weight: var(--weight-semibold, 600);
  cursor: pointer;
}

.ml-segmented__item:is([aria-selected="true"], [aria-pressed="true"], .active) {
  border-color: var(--ml-border);
  background: var(--ml-surface);
  color: var(--ml-primary);
  box-shadow: var(--shadow-sm);
}

.ml-segmented__item:focus-visible {
  outline: 2px solid var(--ml-primary);
  outline-offset: 2px;
}

.ml-result-panel {
  display: flex;
  flex-direction: column;
  gap: var(--form-result-gap);
  min-width: 0;
  padding: var(--space-lg);
  border: 1px solid var(--ml-border);
  border-radius: var(--radius-lg);
  background: var(--ml-surface);
  color: var(--ml-text);
}

.ml-result-panel__heading,
.ml-result-panel__value,
.ml-result-panel__copy {
  margin: 0;
}

.ml-result-panel__heading {
  color: var(--ml-text);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold, 600);
}

.ml-result-panel__value {
  color: var(--ml-text);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold, 700);
  line-height: var(--line-snug);
  overflow-wrap: anywhere;
}

.ml-result-panel__copy,
.ml-result-empty {
  color: var(--ml-text-muted);
  font-size: var(--text-sm);
  line-height: var(--line-normal);
}

.ml-result-actions,
.ml-form-actions,
.ml-inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

@media (width <= 640px) {
  .ml-form-actions,
  .ml-result-actions {
    align-items: stretch;
  }

  .ml-form-actions > :is(button, .btn, .ml-btn),
  .ml-result-actions > :is(button, .btn, .ml-btn) {
    width: 100%;
  }

  .ml-segmented {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 7rem), 1fr));
    width: 100%;
  }
}

@media (forced-colors: active) {
  .ml-form-control,
  .ml-segmented,
  .ml-result-panel {
    border-color: CanvasText;
  }
}