/* PNS Public — v3.0.0
 * Formulario de suscripción moderno.
 * Fuentes heredadas del tema. Fondo transparente.
 * ─────────────────────────────────────────────── */

/* ── Variables ─────────────────────────────────── */
:root {
  --pns-radius:      6px;
  --pns-radius-lg:   10px;
  --pns-transition:  160ms ease;
  --pns-input-bg:    rgba(0,0,0,.04);
  --pns-input-bd:    rgba(0,0,0,.15);
  --pns-input-focus: rgba(0,0,0,.35);
  --pns-shadow-sm:   0 2px 8px rgba(0,0,0,.08);
  --pns-shadow-md:   0 4px 18px rgba(0,0,0,.12);
}

/* ── Wrapper ────────────────────────────────────── */
.pns-form-wrap {
  background: transparent;
  width: 100%;
  max-width: 540px;
}

/* Variante con tarjeta (opcional, agregar class="pns-form-wrap pns-form-wrap--card") */
.pns-form-wrap--card {
  background: rgba(255,255,255,.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.5);
  border-radius: var(--pns-radius-lg);
  padding: 32px 28px;
  box-shadow: var(--pns-shadow-md);
}

.pns-form-inner { width: 100%; }

/* ── Fields ─────────────────────────────────────── */
.pns-fields {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 16px;
}
.pns-fields--row {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 12px;
}
.pns-fields--row .pns-field { flex: 1 1 180px; }

.pns-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

/* ── Label ──────────────────────────────────────── */
.pns-label {
  font-size: .82em;
  font-weight: 600;
  font-family: inherit;
  color: currentColor;
  opacity: .75;
  letter-spacing: .025em;
  text-transform: uppercase;
}

/* ── Input ──────────────────────────────────────── */
.pns-input {
  font-family: inherit;
  font-size: 1em;
  line-height: 1.5;
  background: var(--pns-input-bg);
  border: 1.5px solid var(--pns-input-bd);
  border-radius: var(--pns-radius);
  padding: .6em .85em;
  color: inherit;
  width: 100%;
  box-sizing: border-box;
  transition: border-color var(--pns-transition), box-shadow var(--pns-transition), background var(--pns-transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.pns-input::placeholder {
  opacity: .45;
  font-style: italic;
}

.pns-input:hover {
  border-color: var(--pns-input-focus);
}

.pns-input:focus {
  border-color: currentColor;
  background: rgba(255,255,255,.08);
  box-shadow: 0 0 0 3px rgba(128,128,128,.12);
}

.pns-input[readonly],
.pns-input:disabled {
  opacity: .45;
  cursor: not-allowed;
  background: rgba(0,0,0,.03);
}

textarea.pns-input {
  resize: vertical;
  min-height: 80px;
}

/* ── Campo email destacado ──────────────────────── */
.pns-field--email .pns-input {
  font-size: 1.05em;
  padding: .65em .9em;
}

/* ── GDPR ───────────────────────────────────────── */
.pns-gdpr {
  margin-bottom: 16px;
}
.pns-gdpr-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: .85em;
  font-family: inherit;
  line-height: 1.55;
  opacity: .8;
}
.pns-gdpr-check {
  margin-top: 3px;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  accent-color: currentColor;
}
.pns-gdpr-text a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── Botón principal ────────────────────────────── */
.pns-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 1em;
  font-weight: 700;
  letter-spacing: .02em;
  padding: .65em 1.6em;
  border-radius: var(--pns-radius);
  border: 2px solid transparent;
  cursor: pointer;
  user-select: none;
  transition: opacity var(--pns-transition), transform var(--pns-transition), box-shadow var(--pns-transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  background: currentColor;
  /* shimmer preparado */
}

/* Texto dentro del botón — mix-blend para invertir sobre el color */
.pns-btn-text {
  color: #fff;
  font-family: inherit;
  position: relative;
  z-index: 1;
  mix-blend-mode: difference;
  transition: opacity var(--pns-transition), width var(--pns-transition);
}

.pns-btn:hover {
  opacity: .88;
  box-shadow: var(--pns-shadow-sm);
  transform: translateY(-1px);
}
.pns-btn:active {
  transform: scale(.98) translateY(0);
  box-shadow: none;
}
.pns-btn:disabled {
  opacity: .48;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}
.pns-btn:focus-visible {
  outline: 3px solid rgba(128,128,128,.4);
  outline-offset: 3px;
}

/* Full width opcional */
.pns-btn--full { width: 100%; }

/* Ghost */
.pns-btn--ghost {
  background: transparent;
  border-color: rgba(0,0,0,.25);
}
.pns-btn--ghost .pns-btn-text {
  color: inherit;
  mix-blend-mode: normal;
}
.pns-btn--ghost:hover {
  border-color: currentColor;
  background: rgba(0,0,0,.04);
}

/* Danger */
.pns-btn--danger {
  background: #dc2626;
  border-color: #dc2626;
}

/* ── Spinner de carga ────────────────────────────── */
.pns-btn-loading {
  display: none;
  width: 15px;
  height: 15px;
  border: 2px solid rgba(255,255,255,.35);
  border-top-color: rgba(255,255,255,.9);
  border-radius: 50%;
  animation: pns-spin .65s linear infinite;
  flex-shrink: 0;
}

.pns-btn.is-loading .pns-btn-text {
  opacity: 0;
  width: 0;
  overflow: hidden;
  padding: 0;
}
.pns-btn.is-loading .pns-btn-loading {
  display: inline-block;
}

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

/* ── Alerts ─────────────────────────────────────── */
.pns-alert {
  padding: .75em 1em;
  border-radius: var(--pns-radius);
  font-size: .88em;
  font-family: inherit;
  line-height: 1.55;
  margin-bottom: 14px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  animation: pns-fadein .25s ease;
}

@keyframes pns-fadein {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Iconos automáticos via ::before */
.pns-alert--success { background: rgba(0,163,42,.1);  border-left: 3px solid #00a32a; color: inherit; }
.pns-alert--error   { background: rgba(214,54,56,.1); border-left: 3px solid #d63638; color: inherit; }
.pns-alert--info    { background: rgba(0,106,218,.1); border-left: 3px solid #0073aa; color: inherit; }
.pns-alert--success::before { content: '✓'; font-weight: 700; color: #00a32a; flex-shrink: 0; }
.pns-alert--error::before   { content: '!'; font-weight: 700; color: #d63638; flex-shrink: 0; }
.pns-alert--info::before    { content: 'i'; font-weight: 700; color: #0073aa; flex-shrink: 0; font-style: italic; }

.pns-form-response:empty { display: none; }
.pns-form-response { margin-bottom: 12px; }

/* ── Página de Preferencias ─────────────────────── */
.pns-prefs-wrap {
  max-width: 580px;
  width: 100%;
}

.pns-prefs-saved-msg { margin-bottom: 20px; }

.pns-prefs-form { width: 100%; }

.pns-fieldset {
  border: 1.5px solid var(--pns-input-bd);
  border-radius: var(--pns-radius-lg);
  padding: 22px 20px;
  margin-bottom: 20px;
  transition: border-color var(--pns-transition);
}
.pns-fieldset:focus-within {
  border-color: var(--pns-input-focus);
}

.pns-fieldset-legend {
  font-weight: 700;
  padding: 0 8px;
  font-family: inherit;
  font-size: .9em;
  letter-spacing: .03em;
}

.pns-fieldset-desc {
  font-size: .85em;
  opacity: .65;
  margin: 0 0 16px;
  font-family: inherit;
  line-height: 1.55;
}

.pns-field--readonly .pns-input {
  background: rgba(0,0,0,.03);
  border-style: dashed;
}

/* Segmentos */
.pns-segments-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pns-segment-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  padding: 10px 12px;
  border-radius: var(--pns-radius);
  border: 1.5px solid transparent;
  transition: background var(--pns-transition), border-color var(--pns-transition);
}
.pns-segment-item:hover {
  background: rgba(0,0,0,.04);
  border-color: var(--pns-input-bd);
}

.pns-segment-item input[type="checkbox"] {
  margin-top: 3px;
  flex-shrink: 0;
  width: 17px;
  height: 17px;
  accent-color: currentColor;
}

.pns-segment-name {
  font-weight: 600;
  font-size: .95em;
  font-family: inherit;
  display: block;
}

.pns-segment-desc {
  display: block;
  font-size: .82em;
  opacity: .6;
  font-family: inherit;
  margin-top: 2px;
  line-height: 1.45;
}

/* ── Acciones de preferencias ───────────────────── */
.pns-prefs-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 20px;
}

/* Confirmación de baja */
.pns-unsub-confirm {
  background: rgba(220,38,38,.05);
  border: 1.5px solid rgba(220,38,38,.2);
  border-radius: var(--pns-radius-lg);
  padding: 18px 20px;
  margin-top: 8px;
  animation: pns-fadein .2s ease;
}
.pns-unsub-confirm[hidden] { display: none; }
.pns-unsub-confirm-text {
  font-size: .92em;
  margin: 0 0 14px;
  font-family: inherit;
  line-height: 1.55;
  color: inherit;
  opacity: .85;
}
.pns-unsub-confirm-btns {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 480px) {
  .pns-fields--row { flex-direction: column; }
  .pns-prefs-actions { flex-direction: column; align-items: stretch; }
  .pns-prefs-actions .pns-btn { width: 100%; justify-content: center; }
  .pns-btn { font-size: .97em; }
}