/* ============================================================================
   NegliMed — Consent Banner & Modal (Google Consent Mode v2)
   Mapeo de tokens según Addendum v1.1 del brief:
   ink/ink-600/n-200/n-700/n-900 + Inter para todos los textos sistémicos
   ============================================================================ */

/* ============================================================================
   1. BANNER — bottom sheet (mobile) · bottom-floating card (desktop)
   ============================================================================ */
.consent-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9000;
  background: var(--white);
  border-top: 1px solid var(--n-200);
  box-shadow: var(--sh-2);
  padding: var(--s-5) var(--s-4);
  padding-bottom: calc(var(--s-5) + env(safe-area-inset-bottom));
  font-family: var(--font-sans);
  color: var(--n-900);
  /* Estado inicial — invisible para evitar FOUC antes del show */
  transform: translateY(8px);
  opacity: 0;
  transition:
    transform 220ms cubic-bezier(0.4, 0, 0.2, 1),
    opacity 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

.consent-banner.is-visible {
  transform: translateY(0);
  opacity: 1;
  animation: consent-slide-up 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

.consent-banner[aria-hidden="true"] {
  pointer-events: none;
}

.consent-banner__inner {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  max-width: 720px;
  margin: 0 auto;
}

.consent-banner__copy {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.consent-banner__eyebrow {
  color: var(--n-700);
  display: inline-block;
}

/* Prefijo `// ` en color ink (heredado del patrón SMX) */
.consent-banner__eyebrow::first-letter {
  color: var(--ink);
}

.consent-banner__title {
  margin: 0;
  font-family: var(--font-sans); /* Inter, NO Fraunces */
  font-size: 18px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--n-900);
}

.consent-banner__desc {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.55;
  color: var(--n-700);
}

.consent-banner__link {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 500;
}

.consent-banner__link:hover,
.consent-banner__link:focus-visible {
  color: var(--ink-600);
  text-decoration-thickness: 2px;
}

.consent-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  align-items: center;
}

.consent-banner__btn {
  flex: 1 1 auto;
  min-width: 0;
  justify-content: center;
}

/* "Personalizar" como link secundario, no como botón */
.consent-banner__customize {
  background: none;
  border: none;
  padding: var(--s-2) var(--s-3);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--n-700);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  border-radius: var(--r-sm);
  transition: color var(--transition-fast);
}

.consent-banner__customize:hover {
  color: var(--ink);
}

.consent-banner__customize:focus-visible {
  outline: none;
  color: var(--ink);
  box-shadow: 0 0 0 3px rgba(14, 90, 75, 0.25);
}

/* ============================================================================
   2. MODAL — centered, accessible, focus-trapped
   ============================================================================ */
.consent-modal {
  position: fixed;
  inset: 0;
  z-index: 9100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--s-4);
  font-family: var(--font-sans);
  opacity: 0;
  transition: opacity 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

.consent-modal.is-visible {
  opacity: 1;
}

.consent-modal[hidden] {
  display: none;
}

.consent-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(29, 31, 27, 0.5); /* n-900 con alpha */
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.consent-modal__panel {
  position: relative;
  background: var(--white);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-3);
  width: 100%;
  max-width: 520px;
  max-height: 86vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  transform: translateY(8px);
  transition: transform 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

.consent-modal.is-visible .consent-modal__panel {
  transform: translateY(0);
}

/* Header */
.consent-modal__header {
  position: relative;
  padding: var(--s-5) var(--s-5) var(--s-3);
  border-bottom: 1px solid var(--n-200);
}

.consent-modal__eyebrow {
  display: block;
  color: var(--n-700);
  margin-bottom: var(--s-2);
}

.consent-modal__eyebrow::first-letter {
  color: var(--ink);
}

.consent-modal__title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--n-900);
  letter-spacing: -0.005em;
}

.consent-modal__close {
  position: absolute;
  top: var(--s-3);
  right: var(--s-3);
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--r-sm);
  color: var(--n-700);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.consent-modal__close:hover {
  background: var(--n-100);
  color: var(--n-900);
}

.consent-modal__close:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(14, 90, 75, 0.25);
  color: var(--ink);
}

/* Body */
.consent-modal__body {
  padding: var(--s-4) var(--s-5);
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}

.consent-option {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  padding: var(--s-4);
  border: 1px solid var(--n-200);
  border-radius: var(--r-md);
  background: var(--white);
}

.consent-option--locked {
  background: var(--n-100);
}

.consent-option__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
}

.consent-option__title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--n-900);
}

.consent-option__locked {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--n-700);
  background: var(--white);
  border: 1px solid var(--n-200);
  padding: 4px 10px;
  border-radius: var(--r-full);
}

.consent-option__desc {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.55;
  color: var(--n-700);
}

/* Footer */
.consent-modal__footer {
  padding: var(--s-4) var(--s-5) var(--s-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  border-top: 1px solid var(--n-200);
  background: var(--white);
  position: sticky;
  bottom: 0;
}

.consent-modal__btn {
  flex: 1 1 auto;
  min-width: 0;
  justify-content: center;
}

/* ============================================================================
   3. TOGGLE — 44x24 track, 18x18 thumb, ink al activarse
   ============================================================================ */
.consent-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  flex-shrink: 0;
}

.consent-toggle input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.consent-toggle__track {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  background: var(--n-300);
  border-radius: 9999px;
  transition: background 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

.consent-toggle__thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: var(--white);
  border-radius: 9999px;
  box-shadow: 0 1px 2px rgba(10, 50, 40, 0.18);
  transition: transform 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

.consent-toggle input[type="checkbox"]:checked + .consent-toggle__track {
  background: var(--ink);
}

.consent-toggle input[type="checkbox"]:checked + .consent-toggle__track .consent-toggle__thumb {
  transform: translateX(20px);
}

.consent-toggle input[type="checkbox"]:focus-visible + .consent-toggle__track {
  box-shadow: 0 0 0 3px rgba(14, 90, 75, 0.25);
}

/* ============================================================================
   4. Footer link "Preferencias de cookies"
   ============================================================================ */
.footer .footer-cookies-link {
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  cursor: pointer;
  text-align: inherit;
  text-decoration: none;
}

.footer .footer-cookies-link:hover {
  color: var(--ink-400);
  text-decoration: underline;
}

/* ============================================================================
   4.5 Mobile hardening (≤700px) — banner como bottom-sheet estable
   - Botones apilados a ancho completo (tap target ≥44px, Ley de Fitts)
   - "Aceptar todo" primero (primario), luego "Rechazar", luego "Personalizar"
   - max-height con scroll interno: el banner nunca tapa toda la pantalla
   ============================================================================ */
@media (max-width: 700px) {
  .consent-banner {
    max-height: 85dvh;
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .consent-banner__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .consent-banner__btn {
    flex: 0 0 auto;
    width: 100%;
    min-height: 44px;
    white-space: normal; /* anula el nowrap global de .btn en ancho 320px */
  }

  /* Jerarquía: primario arriba */
  .consent-banner__actions .btn-primary { order: -1; }
  .consent-banner__customize {
    width: 100%;
    text-align: center;
    min-height: 44px;
  }

  .consent-modal__panel {
    max-height: 90dvh;
  }

  .consent-modal__footer .consent-modal__btn {
    min-height: 44px;
    white-space: normal;
  }
}

/* ============================================================================
   5. Responsive — desktop (≥980px) eleva el banner como card flotante
   ============================================================================ */
@media (min-width: 980px) {
  .consent-banner {
    left: 50%;
    right: auto;
    bottom: var(--s-5);
    transform: translate(-50%, 8px);
    max-width: 720px;
    width: calc(100% - 2 * var(--s-5));
    border-radius: var(--r-lg);
    border-top: 1px solid var(--n-200);
    box-shadow: var(--sh-3);
    padding: var(--s-5) var(--s-6);
    padding-bottom: var(--s-5);
  }

  .consent-banner.is-visible {
    transform: translate(-50%, 0);
  }

  .consent-banner__inner {
    flex-direction: row;
    align-items: center;
    gap: var(--s-6);
  }

  .consent-banner__copy {
    flex: 1 1 auto;
  }

  .consent-banner__actions {
    flex-shrink: 0;
    flex-wrap: nowrap;
    flex-direction: row-reverse;
  }

  .consent-banner__btn {
    flex: 0 0 auto;
  }

  .consent-modal__footer {
    flex-wrap: nowrap;
  }
}

/* ============================================================================
   6. Animaciones · respeta prefers-reduced-motion
   ============================================================================ */
@keyframes consent-slide-up {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (min-width: 980px) {
  @keyframes consent-slide-up {
    from {
      transform: translate(-50%, 100%);
      opacity: 0;
    }
    to {
      transform: translate(-50%, 0);
      opacity: 1;
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  .consent-banner,
  .consent-modal,
  .consent-modal__panel,
  .consent-toggle__track,
  .consent-toggle__thumb {
    animation: none !important;
    transition: none !important;
  }
}