/*
 * Shared form components for contact, registration, login and OTP flows.
 * API/JavaScript should communicate state through classes and ARIA attributes.
 */

.form-card {
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-2xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.form-card__header {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 72px;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-10);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  background: var(--color-brown-04);
  color: var(--color-text);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);

  text-align: center;
}

.form-card__body {
  display: flex;
  flex-direction: column;
  gap: 42px;
  padding: 42px;
}

.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.form__fields {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.form__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.form-field {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: var(--space-1);
  margin-top: 2px;
}

.form-field__label {
  display: block;
  padding-left: 2px;
  color: var(--color-text);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  line-height: 1;
}

.form-field__required {
  color: var(--color-primary);
}

.form-field__control {
  position: relative;
  display: flex;
  align-items: center;
  min-height: var(--control-height-lg);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: var(--field-background);
  transition:
    border-color 160ms ease,
    background-color 160ms ease;
}

.form-field__control:focus-within {
  border-color: var(--field-border-focus);
}

.form-field__input,
.form-field__select,
.form-field__textarea {
  width: 100%;
  min-width: 0;
  outline: 0;
  background: transparent;
  color: var(--color-text);
  font-size: 13px;
  font-weight: var(--font-weight-medium);
  border: solid 1px var(--color-brown-04);
  border-radius: 8px;
}

.form-field__input,
.form-field__select {
  min-height: 54px;
  padding: 16px;
}

.form-field__textarea {
  min-height: 136px;
  padding: 16px;
  resize: vertical;
}

.form-field__input::placeholder,
.form-field__textarea::placeholder {
  color: var(--field-placeholder);
  opacity: 1;
}

.form-field__input:-webkit-autofill,
.form-field__input:-webkit-autofill:hover,
.form-field__input:-webkit-autofill:focus,
.form-field__textarea:-webkit-autofill,
.form-field__select:-webkit-autofill {
  -webkit-text-fill-color: var(--color-text);
  box-shadow: 0 0 0 1000px var(--field-background) inset;
  transition: background-color 9999s ease-out;
}

.form-field__input:read-only,
.form-field__textarea:read-only {
  cursor: default;
}

.form-field__select {
  padding-right: 48px;
  appearance: none;
  cursor: pointer;
}

.form-field--select .form-field__control::after {
  position: absolute;
  top: 50%;
  right: 18px;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  content: "";
  pointer-events: none;
  transform: translateY(-70%) rotate(45deg);
}

.form-field__action {
  position: absolute;
  top: 50%;
  right: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transform: translateY(-50%);
}

.form-field__action:hover {
  background: var(--color-cream-100);
}

.form-field__action:focus-visible {
  outline: var(--focus-ring-width) solid rgb(var(--color-primary-rgb) / 0.22);
  outline-offset: 0;
}

.form-field--has-action .form-field__input {
  padding-right: 52px;
}

.form-field__hint,
.form-field__error {
  min-height: 1.35em;
  margin: 0;
  padding-inline: 2px;
  font-size: 10px;
}

.form-field__hint {
  color: var(--color-neutral-500);
}

.form-field__error {
  display: none;
  color: var(--color-error);
  font-weight: var(--font-weight-semibold);
}

.form-field.is-invalid .form-field__control,
.form-field:has([aria-invalid="true"]) .form-field__control,
.form.was-validated .form-field:has(.form-field__input:invalid) .form-field__control,
.form.was-validated .form-field:has(.form-field__select:invalid) .form-field__control,
.form.was-validated .form-field:has(.form-field__textarea:invalid) .form-field__control {
  border-color: var(--color-error-surface);
  background: var(--field-background);
  box-shadow: none;
}

.form-field.is-invalid .form-field__error,
.form-field:has([aria-invalid="true"]) .form-field__error,
.form.was-validated .form-field:has(.form-field__input:invalid) .form-field__error,
.form.was-validated .form-field:has(.form-field__select:invalid) .form-field__error,
.form.was-validated .form-field:has(.form-field__textarea:invalid) .form-field__error {
  display: block;
  margin-top: calc(var(--space-1) * -3);
  padding: 12px 4px 4px 16px;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  background: var(--color-error-surface);
}

.form-field.is-valid .form-field__control,
.form-field:has([aria-invalid="false"][data-validated="true"]) .form-field__control {
  border-color: var(--color-success);
  background: var(--color-success-surface);
}

.form-field.is-disabled,
.form-field:has(:disabled) {
  opacity: 0.55;
}

.form-field :disabled {
  cursor: not-allowed;
}

.form-checks {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.form-group {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.form-group__legend {
  margin-bottom: var(--space-3);
  padding: 0;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
}

.form-check {
  position: relative;
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  align-items: start;
  gap: var(--space-3);
  color: #2b2b2b;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);

  cursor: pointer;
}

.form-check__input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.form-check__control {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--color-text);
  border-radius: 4px;
  background: var(--color-surface);
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    box-shadow 160ms ease;
}

.form-check__control::after {
  width: 9px;
  height: 5px;
  border-bottom: 2px solid var(--color-text);
  border-left: 2px solid var(--color-text);
  content: "";
  opacity: 0;
  transform: translateY(-1px) rotate(-45deg);
}

.form-check__input:checked + .form-check__control::after {
  opacity: 1;
}

.form-check__input:focus-visible + .form-check__control {
  box-shadow: var(--shadow-focus);
}

.form-check__input[aria-invalid="true"] + .form-check__control,
.form-check.is-invalid .form-check__control {
  border-color: var(--color-error);
  background: var(--color-error-surface);
}

.form-check__input:disabled + .form-check__control,
.form-check:has(.form-check__input:disabled) {
  cursor: not-allowed;
  opacity: 0.55;
}

.form-check a {
  font-weight: var(--font-weight-semibold);
  text-underline-offset: 0.15em;
}

.form-radio .form-check__control {
  border-radius: 50%;
}

.form-radio .form-check__control::after {
  width: 8px;
  height: 8px;
  border: 0;
  border-radius: 50%;
  background: var(--color-neutral-0);
  transform: none;
}

.form-submit {
  position: relative;
  width: 100%;
  min-height: 50px;
  border-radius: var(--radius-lg);
  font-size: 13px;
}

.form-submit__spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgb(255 255 255 / 0.45);
  border-top-color: var(--color-neutral-0);
  border-radius: 50%;
  animation: form-spin 700ms linear infinite;
}

.form-submit.is-loading,
.form.is-loading .form-submit {
  pointer-events: none;
}

.form-submit.is-loading .form-submit__label,
.form.is-loading .form-submit .form-submit__label {
  opacity: 0.55;
}

.form-submit.is-loading .form-submit__spinner,
.form.is-loading .form-submit .form-submit__spinner {
  display: block;
}

.form-submit:disabled {
  border-color: var(--color-neutral-300);
  background: var(--color-neutral-300);
  cursor: not-allowed;
  opacity: 0.7;
  transform: none;
}

.form-message {
  display: none;
  padding: var(--space-4);
  border: 1px solid currentColor;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: var(--font-weight-medium);
}

.form-message.is-visible {
  display: block;
}

.form-message--error {
  background: var(--color-error-surface);
  color: var(--color-error);
}

.form-message--success {
  background: var(--color-success-surface);
  color: var(--color-success);
}

.form-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-bottom: 1px solid var(--color-neutral-200);
}

.form-tab {
  min-height: 58px;
  padding: 16px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--color-neutral-400);
  font-size: 13px;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
}

.form-tab.is-active,
.form-tab[aria-selected="true"] {
  border-bottom-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.otp-field {
  position: relative;
}

.otp-field__input {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  border: 0;
  outline: 0;
  opacity: 0;
  caret-color: transparent;
}

.otp-field__cells {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-2);
  pointer-events: none;
}

.otp-field__cell {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  min-height: 88px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: var(--field-background);
  color: var(--color-text);
  font-size: 40px;
  font-weight: var(--font-weight-regular);
}

.otp-field:focus-within .otp-field__cell.is-active {
  border-color: var(--field-border-focus);
}

.otp-field.is-invalid .otp-field__cell,
.otp-field:has(.otp-field__input[aria-invalid="true"]) .otp-field__cell {
  border-color: var(--color-error);
  background: var(--color-error-surface);
}

.otp-field.is-valid .otp-field__cell {
  border-color: var(--color-success);
  background: var(--color-success-surface);
}

.form-legal {
  margin: 0;
  color: #2b2b2b;
  font-size: 8px;

  text-align: center;
}

.form-legal a {
  font-weight: var(--font-weight-semibold);
}

@keyframes form-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .form-field__control,
  .form-check__control {
    transition: none;
  }

  .form-submit__spinner {
    animation-duration: 1400ms;
  }
}

@media (max-width: 1024px) {
  .form-card__body {
    gap: var(--space-8);
    padding: var(--space-6);
  }

  .form__row {
    grid-template-columns: 1fr;
  }

  .otp-field__cell {
    min-height: 64px;
    font-size: 32px;
    line-height: 118%;
  }
}