/* ============================================================
   Panel de Accesibilidad — Anteojos Ediciones
   Cumple WCAG 2.2 AA · Responsive · Español
   ============================================================ */

/* ---------- Variables del panel ---------- */
:root {
  --ap-primary: #0a6b63;
  --ap-primary-dark: #064f49;
  --ap-accent: #f4cb64;
  --ap-bg: #ffffff;
  --ap-text: #1f1f1f;
  --ap-radius: 12px;
  --ap-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
  --ap-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Botón flotante ---------- */
#ap-toggle-btn {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999999;
  width: 72px;
  height: 72px;
  border: none;
  border-radius: 12px 0 0 12px;
  background: var(--ap-primary);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: -2px 2px 12px rgba(0, 0, 0, 0.25);
  transition:
    background var(--ap-transition),
    transform var(--ap-transition);
  padding: 0;
}
#ap-toggle-btn:hover,
#ap-toggle-btn:focus-visible {
  background: var(--ap-primary-dark);
  outline: 3px solid var(--ap-accent);
  outline-offset: 2px;
}
#ap-toggle-btn svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
  pointer-events: none;
}

/* ---------- Overlay ---------- */
#ap-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 999998;
  opacity: 0;
  transition: opacity var(--ap-transition);
}
#ap-overlay.ap-visible {
  display: block;
  opacity: 1;
}

/* ---------- Panel contenedor ---------- */
#ap-panel {
  position: fixed;
  right: -420px;
  top: 0;
  width: 400px;
  max-width: 95vw;
  height: 100vh;
  height: 100dvh;
  z-index: 999999;
  background: var(--ap-bg);
  box-shadow: var(--ap-shadow);
  transition: right var(--ap-transition);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-family: "Raleway", system-ui, sans-serif;
  color: var(--ap-text);
}
#ap-panel.ap-open {
  right: 0;
}

/* ---------- Cabecera ---------- */
.ap-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--ap-primary);
  color: #fff;
  flex-shrink: 0;
}
.ap-header h2 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.ap-header h2 svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}
.ap-header-actions {
  display: flex;
  gap: 8px;
}
.ap-header-actions button {
  background: rgba(255, 255, 255, 0.15);
  border: 2px solid transparent;
  border-radius: 8px;
  color: #fff;
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--ap-transition);
  font-family: inherit;
}
.ap-header-actions button:hover,
.ap-header-actions button:focus-visible {
  background: rgba(255, 255, 255, 0.3);
  outline: 2px solid var(--ap-accent);
  outline-offset: 1px;
}

/* ---------- Cuerpo scrollable ---------- */
.ap-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px 24px;
  scroll-behavior: smooth;
}
.ap-body::-webkit-scrollbar {
  width: 6px;
}
.ap-body::-webkit-scrollbar-thumb {
  background: var(--ap-primary);
  border-radius: 3px;
}

/* ---------- Secciones / grupos ---------- */
.ap-section {
  margin-bottom: 18px;
}
.ap-section-title {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--ap-primary);
  margin-bottom: 10px;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--ap-primary);
}

/* ---------- Botones de opción ---------- */
.ap-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.ap-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: #f0f7f6;
  border: 2px solid transparent;
  border-radius: var(--ap-radius);
  padding: 14px 8px;
  cursor: pointer;
  transition: all var(--ap-transition);
  text-align: center;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ap-text);
  min-height: 80px;
}
.ap-btn svg {
  width: 26px;
  height: 26px;
  fill: var(--ap-primary);
  flex-shrink: 0;
  transition: fill var(--ap-transition);
}
.ap-btn:hover {
  background: #ddf0ee;
  border-color: var(--ap-primary);
}
.ap-btn:focus-visible {
  outline: 3px solid var(--ap-accent);
  outline-offset: 2px;
}
.ap-btn.ap-active {
  background: var(--ap-primary);
  color: #fff;
  border-color: var(--ap-primary-dark);
}
.ap-btn.ap-active svg {
  fill: #fff;
}

/* ---------- Slider/rango ---------- */
.ap-slider-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}
.ap-slider-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  font-weight: 600;
}
.ap-slider-label .ap-val {
  color: var(--ap-primary);
  font-weight: 700;
}
.ap-slider-group input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #ddf0ee;
  outline: none;
}
.ap-slider-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--ap-primary);
  cursor: pointer;
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--ap-primary);
}
.ap-slider-group input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--ap-primary);
  cursor: pointer;
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--ap-primary);
}
.ap-slider-group input[type="range"]:focus-visible {
  outline: 3px solid var(--ap-accent);
  outline-offset: 2px;
}

/* ---------- Incremento/decremento tamaño ---------- */
.ap-stepper {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  margin-bottom: 12px;
}
.ap-stepper button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--ap-primary);
  background: #f0f7f6;
  color: var(--ap-primary);
  font-size: 1.3rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--ap-transition);
  font-family: inherit;
}
.ap-stepper button:hover {
  background: var(--ap-primary);
  color: #fff;
}
.ap-stepper button:focus-visible {
  outline: 3px solid var(--ap-accent);
  outline-offset: 2px;
}
.ap-stepper .ap-size-val {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ap-primary);
  min-width: 50px;
  text-align: center;
}

/* ============================================================
   Clases globales que aplica el panel al <html>
   ============================================================ */

/* -- Contraste alto -- */
html.ap-high-contrast {
  filter: contrast(1.45) !important;
}

/* -- Modo oscuro -- */
html.ap-dark-mode {
  filter: invert(1) hue-rotate(180deg) !important;
}
html.ap-dark-mode img,
html.ap-dark-mode video,
html.ap-dark-mode svg,
html.ap-dark-mode [style*="background-image"],
html.ap-dark-mode canvas {
  filter: invert(1) hue-rotate(180deg) !important;
}

/* -- Filtro de luz azul -- */
html.ap-blue-filter::after {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(255, 180, 50, 0.18);
  z-index: 999990;
  pointer-events: none;
}

/* -- Resaltado de enlaces -- */
html.ap-highlight-links a {
  outline: 3px solid #f4cb64 !important;
  outline-offset: 2px !important;
  text-decoration: underline !important;
  background: rgba(244, 203, 100, 0.15) !important;
}

/* -- Cursor grande -- */
html.ap-big-cursor,
html.ap-big-cursor * {
  cursor:
    url("data:image/svg+xml,%3Csvg xmlns='https://upload.wikimedia.org/wikipedia/commons/thumb/d/d4/Cursor-design1-arrow.svg/960px-Cursor-design1-arrow.svg.png' width='48' height='48' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' stroke='%23fff' stroke-width='1' d='M5 3l14 8-6 1.5L10 19z'/%3E%3C/svg%3E")
      4 2,
    auto !important;
}

/* -- Pausa de animaciones -- */
html.ap-pause-animations *,
html.ap-pause-animations *::before,
html.ap-pause-animations *::after {
  animation-play-state: paused !important;
  transition-duration: 0s !important;
  scroll-behavior: auto !important;
}

/* -- Ocultar imágenes -- */
html.ap-hide-images img,
html.ap-hide-images svg:not(#ap-panel svg):not(#ap-toggle-btn svg),
html.ap-hide-images [style*="background-image"],
html.ap-hide-images video {
  visibility: hidden !important;
}

/* -- Correcciones de daltonismo (filtros SVG se aplican vía JS) -- */
html.ap-protanopia {
  filter: url(#ap-protanopia-filter) !important;
}
html.ap-deuteranopia {
  filter: url(#ap-deuteranopia-filter) !important;
}
html.ap-tritanopia {
  filter: url(#ap-tritanopia-filter) !important;
}
html.ap-grayscale {
  filter: grayscale(1) !important;
}

/* -- Lector de pantalla simplificado highlight -- */
.ap-sr-highlight {
  outline: 3px dashed var(--ap-primary) !important;
  outline-offset: 2px !important;
  background: rgba(10, 107, 99, 0.08) !important;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1020px) {
  #ap-panel {
    width: 100vw;
    right: -100vw;
  }
  #ap-panel.ap-open {
    right: 0;
  }
  #ap-toggle-btn {
    width: 52px;
    height: 52px;
  }
  #ap-toggle-btn svg {
    width: 24px;
    height: 24px;
  }
  .ap-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .ap-btn {
    padding: 10px 6px;
    min-height: 68px;
    font-size: 0.72rem;
  }
}