.zx-form {
  --zx-form-row-gap: 16px;
  --zx-form-col-gap: 16px;
  --zx-form-accent: #2563eb;
  --zx-form-error: #b91c1c;
  --zx-form-success: #15803d;
  display: flex;
  flex-direction: column;
  gap: var(--zx-form-row-gap);
  width: 100%;
  margin: 0;
}
.zx-form__step {
  display: flex;
  flex-direction: column;
  gap: var(--zx-form-row-gap);
}
.zx-form__step[hidden] {
  display: none;
}
.zx-form__fields {
  display: flex;
  flex-wrap: wrap;
  gap: var(--zx-form-row-gap) var(--zx-form-col-gap);
}
.zx-form__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 0 0 100%;
  max-width: 100%;
  min-width: 0;
}
.zx-form__field--w50 {
  flex-basis: calc((100% - var(--zx-form-col-gap)) / 2);
}
.zx-form__field--w33 {
  flex-basis: calc((100% - 2 * var(--zx-form-col-gap)) / 3);
}
.zx-form__field--w25 {
  flex-basis: calc((100% - 3 * var(--zx-form-col-gap)) / 4);
}
@media (max-width: 767px) {
  .zx-form__field {
    flex-basis: 100%;
  }
}
.zx-form__label {
  font-size: 0.875em;
  font-weight: 600;
}
.zx-form__req {
  margin-inline-start: 2px;
  color: var(--zx-form-error);
}
.zx-form--no-labels .zx-form__label {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.zx-form--labels-inline .zx-form__field {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  column-gap: 12px;
}
.zx-form--labels-inline .zx-form__label {
  flex: 0 0 30%;
  max-width: 30%;
}
.zx-form--labels-inline .zx-form__input,
.zx-form--labels-inline .zx-form__options,
.zx-form--labels-inline .zx-form__option {
  flex: 1 1 0;
  min-width: 0;
}
.zx-form--labels-inline .zx-form__error {
  flex-basis: 100%;
}
.zx-form__input {
  box-sizing: border-box;
  width: 100%;
  padding: 10px 14px;
  font: inherit;
  color: inherit;
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.2);
  border-radius: 6px;
  transition: border-color 0.2s, box-shadow 0.2s, background-color 0.2s;
}
.zx-form__input:focus {
  outline: none;
  border-color: var(--zx-form-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--zx-form-accent) 18%, transparent);
}
.zx-form__textarea {
  min-height: 96px;
  resize: vertical;
}
.zx-form__file {
  padding: 8px;
}
.zx-form__options {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.zx-form__option {
  display: inline-flex;
  align-items: flex-start;
  gap: 8px;
  cursor: pointer;
}
.zx-form__choice {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin: 0.2em 0 0;
  accent-color: var(--zx-form-accent);
}
.zx-form__field.is-invalid .zx-form__input,
.zx-form__field.is-invalid .zx-form__options {
  border-color: var(--zx-form-error);
}
.zx-form__field.is-invalid .zx-form__choice {
  outline: 1px solid var(--zx-form-error);
  outline-offset: 1px;
}
.zx-form__error {
  font-size: 0.85em;
  color: var(--zx-form-error);
}
.zx-form__error:empty {
  display: none;
}

/* Steps: progress bar + titles */
.zx-form__progress {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.zx-form__progress-text {
  font-size: 0.85em;
  font-weight: 600;
}
.zx-form__progress-track {
  position: relative;
  height: 6px;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.1);
  border-radius: 999px;
}
.zx-form__progress-fill {
  display: block;
  height: 100%;
  background: var(--zx-form-accent);
  border-radius: inherit;
  transition: width 0.3s ease;
}
.zx-form__steps-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.zx-form__step-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9em;
  opacity: 0.6;
}
.zx-form__step-title.is-active,
.zx-form__step-title.is-done {
  opacity: 1;
}
.zx-form__step-title.is-active {
  color: var(--zx-form-accent);
  font-weight: 600;
}
.zx-form__step-num {
  display: inline-grid;
  place-items: center;
  width: 1.8em;
  height: 1.8em;
  font-size: 0.85em;
  border: 1px solid currentColor;
  border-radius: 50%;
}
.zx-form--editor .zx-form__step-title {
  cursor: pointer;
}

/* Buttons */
.zx-form__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-start;
}
.zx-form__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font: inherit;
  font-weight: 600;
  line-height: 1.2;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s, opacity 0.2s;
}
.zx-form__button--primary {
  color: #fff;
  background: var(--zx-form-accent);
}
.zx-form__button--primary:hover {
  background: color-mix(in srgb, var(--zx-form-accent) 85%, #000);
}
.zx-form__button--prev {
  color: inherit;
  background: rgba(15, 23, 42, 0.08);
}
/* Theme shield (docs/WIDGET-GUIDE.md "Buttons and theme CSS"): themes restyle `button:hover`/`:active` (0,1,1),
   so the hover/active colours are declared here; user controls (`.zx-<id> ...`) still win. */
.zx-form__button--primary:is(:hover, :active) {
  color: #fff;
}
.zx-form__button--prev:is(:hover, :active) {
  color: inherit;
  background-color: rgba(15, 23, 42, 0.08);
}
.zx-form__button:disabled {
  opacity: 0.6;
  cursor: wait;
}
.zx-form--button-full .zx-form__button {
  flex: 1 1 0;
}
.zx-form__button-icon {
  display: inline-flex;
}
.zx-form__button-icon svg {
  width: 1em;
  height: 1em;
  fill: currentColor;
}

/* Honeypot: hidden from humans, still present for bots. */
.zx-form__hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
}

.zx-form__message {
  font-size: 0.95em;
}
.zx-form__message:empty {
  display: none;
}
.zx-form--success .zx-form__message {
  color: var(--zx-form-success);
}
.zx-form--error .zx-form__message {
  color: var(--zx-form-error);
}

/* Editor canvas: inputs are real but not interactive (clicks select the widget). */
.zx-form--editor .zx-form__field {
  pointer-events: none;
}