/* Formularios (§6.8): línea fina sobre fondo transparente; cubre webform y exposed forms vía las clases genéricas c-form-item/c-input que añade el preproceso. */

.c-form-item {
  margin-block: 0 var(--space-5);
}

.c-form-item__label,
.c-form-item > label,
legend {
  display: block;
  margin-block-end: var(--space-2);
  font-family: var(--ff-display);
  font-size: var(--fs-label);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: var(--ls-caps-2);
  text-transform: uppercase;
  color: var(--div-ink);
}

.c-form-item__description,
.c-form-item .description {
  margin-block-start: var(--space-2);
  font-size: var(--fs-small);
  line-height: 1.55;
  color: var(--div-ink-soft);
}

.form-required::after {
  content: ' *';
  color: var(--div-accent-strong);
}

/* ——— Controles de texto (lista blanca: checkbox/radio/submit quedan fuera) ——— */

.c-textarea,
.c-select,
.c-input:where(:not([type]), [type='text'], [type='email'], [type='tel'], [type='url'], [type='password'], [type='search'], [type='number'], [type='date'], [type='time'], [type='datetime-local'], [type='month'], [type='week']) {
  width: 100%;
  min-height: 44px;
  padding: .875rem 1.25rem;
  border: 1px solid var(--div-line-strong);
  border-radius: var(--radius-sm);
  background: transparent;
  font-family: var(--ff-text);
  font-size: var(--fs-body);
  line-height: 1.4;
  color: var(--div-ink);
  transition: border-color var(--dur-fast) var(--ease-out);
}

.c-input::placeholder,
.c-select::placeholder,
.c-textarea::placeholder {
  font-family: var(--ff-text);
  font-style: italic;
  color: var(--div-ink-soft);
  opacity: 1;
}

.c-input:focus,
.c-select:focus,
.c-textarea:focus {
  border-color: var(--div-focus);
  outline: 2px solid var(--div-focus);
  outline-offset: 2px;
}

.c-textarea {
  min-height: 8rem;
  resize: vertical;
}

/* Select: flecha chevron fina dibujada con gradientes currentColor
   (un data-URI no hereda currentColor). */
.c-select {
  appearance: none;
  padding-inline-end: 3.25rem;
  background-image:
    linear-gradient(45deg, transparent calc(50% - .75px), currentColor calc(50% - .75px) calc(50% + .75px), transparent calc(50% + .75px)),
    linear-gradient(135deg, transparent calc(50% - .75px), currentColor calc(50% - .75px) calc(50% + .75px), transparent calc(50% + .75px));
  background-position:
    right calc(1.25rem + 6px) center,
    right 1.25rem center;
  background-size: 7px 7px;
  background-repeat: no-repeat;
}

.c-select option {
  background: var(--div-surface);
  color: var(--div-ink);
}

/* ——— Checkbox / radio: nativos finos con accent-color ——— */

.c-input[type='checkbox'],
.c-input[type='radio'] {
  width: 1.125rem;
  height: 1.125rem;
  flex: none;
  accent-color: var(--div-accent-strong);
  cursor: pointer;
}

.c-form-item:has(> .c-input[type='checkbox']),
.c-form-item:has(> .c-input[type='radio']) {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.c-form-item:has(> .c-input[type='checkbox']) label,
.c-form-item:has(> .c-input[type='radio']) label {
  margin: 0;
  font-family: var(--ff-text);
  font-size: var(--fs-body);
  font-weight: 400;
  letter-spacing: normal;
  text-transform: none;
  cursor: pointer;
}

/* ——— Submit: espejo de .c-button--primary ——— */

.c-input--submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: .875rem 2.5rem;
  border: 1px solid var(--div-accent-strong);
  border-radius: var(--radius-xs);
  background: transparent;
  font-family: var(--ff-display);
  font-size: var(--fs-button);
  font-weight: 500;
  line-height: 1;
  letter-spacing: var(--ls-caps-3);
  text-transform: uppercase;
  color: var(--div-accent-strong);
  cursor: pointer;
  transition:
    color var(--dur-fast) var(--ease-out),
    background-color var(--dur-med) var(--ease-out),
    border-color var(--dur-med) var(--ease-out);
}

.c-input--submit:hover,
.c-input--submit:focus-visible {
  background: var(--div-accent-strong);
  color: var(--div-bg);
}

/* ——— Estructura ——— */

fieldset {
  min-width: 0;
  margin: 0 0 var(--space-6);
  padding: 0;
  border: 0;
}

legend {
  padding: 0;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-block: var(--space-6) 0;
}

/* ——— Puerta PRIVATE (§6.9): banda bg-deep centrada, formulario max 540px ——— */

.c-gate {
  text-align: center;
}

.c-gate__inner {
  max-width: calc(540px + 2 * var(--gutter));
}

.c-gate__key {
  display: block;
  margin-block-end: var(--space-6);
  color: var(--div-accent);
}

.c-gate__label {
  margin: 0 0 var(--space-6);
  max-width: none;
  font-family: var(--ff-display);
  font-size: var(--fs-label);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: var(--ls-caps-3);
  text-indent: var(--ls-caps-3);
  text-transform: uppercase;
  color: var(--div-on-deep);
}

.c-gate .c-form-item {
  margin-block-end: var(--space-5);
}

/* Sobre bg-deep, --div-line-strong no llega a 3:1: borde en ink-soft. */
.c-gate .c-input {
  border-color: var(--div-ink-soft);
  color: var(--div-on-deep);
}

/* ——— Error (§6.8, colores §2.3) ——— */

.c-form-item--error .c-input,
.c-form-item--error .c-select,
.c-form-item--error .c-textarea,
.c-input.error,
.c-select.error,
.c-textarea.error {
  border-color: var(--color-error);
}

.c-form-item__error,
.form-item--error-message {
  margin-block-start: var(--space-2);
  font-size: var(--fs-small);
  font-style: italic;
  color: var(--color-error);
}