/* =====================
   FUNCIONALIDADES ADICIONALES
===================== */

/* 1. PROGRESS BAR (Marcador de lectura) */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, #d81b60, #ff80ab);
  width: 0%;
  z-index: 1001;
  transition: width 0.1s ease;
  box-shadow: 0 2px 10px rgba(198, 40, 40, 0.3);
}

/* 2. MENÚ MEJORADO */
.menu-header {
  display: none;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 15px;
}

.menu-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.menu-close:hover {
  background-color: var(--gray-light);
}

.menu-accessibility {
  margin-top: 20px;
  padding: 15px;
  background-color: var(--gray-light);
  border-radius: var(--border-radius);
}

.accessibility-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px;
  background: var(--bg-card);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  cursor: pointer;
  margin-bottom: 10px;
  transition: all 0.3s ease;
}
body:not(.high-contrast):not(.dark-mode) .accessibility-btn {
  background-color: #333;
  color: #fff;
}
.accessibility-btn:hover {
  background-color: var(--primary);
  color: white;
  border-color: var(--primary);
}

.font-size-controls {
  display: flex;
  gap: 5px;
  justify-content: center;
}

.font-size-btn {
  flex: 1;
  padding: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  cursor: pointer;
  font-weight: bold;
  transition: all 0.3s ease;
}

.font-size-btn:hover {
  background-color: var(--primary);
  color: white;
}

/* Estilos para móvil */
@media (max-width: 768px) {
  .main-nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 85%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--bg-header);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 0;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 5px 0 25px rgba(0, 0, 0, 0.15);
    z-index: 1002;
    overflow-y: auto;
  }
  
  .main-nav.active {
    left: 0;
  }
  
  .menu-header {
    display: flex;
  }
  
  .main-nav a {
    width: 100%;
    padding: 15px 25px;
    border-left: 4px solid transparent;
    display: flex;
    align-items: center;
    gap: 15px;
  }
  
  .main-nav a:hover,
  .main-nav a.active {
    border-left-color: var(--primary);
    background-color: var(--gray-light);
  }
  
  .main-nav a::after {
    display: none;
  }
}

/* 3. MODO ALTO CONTRASTE */
body.high-contrast:not(.dark-mode) {
  --bg-body: #000000 !important;
  --bg-card: #000000 !important;
  --bg-header: #111111 !important;
  --text-primary: #ffffff !important;
  --text-secondary: #cccccc !important;
  --primary: #ffff00 !important;
  --primary-dark: #ffcc00 !important;
  --border-color: #444444 !important;
  filter: contrast(1.2) !important;
}

body.large-font {
  font-size: 1.1rem;
}

body.large-font h1 { font-size: 2.4rem; }
body.large-font h2 { font-size: 2rem; }
body.large-font h3 { font-size: 1.5rem; }

body.small-font {
  font-size: 0.9rem;
}

body.small-font h1 { font-size: 1.8rem; }
body.small-font h2 { font-size: 1.5rem; }
body.small-font h3 { font-size: 1.2rem; }

/* 4. BOTÓN VOLVER ARRIBA */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--primary);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* 5. FORMULARIO INTELIGENTE */
.contact-section {
  padding: 60px 0;
  background-color: var(--bg-body);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  margin-top: 20px;
}

.contact-option {
  padding: 15px;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  cursor: pointer;
  text-align: center;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.contact-option:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.contact-option.active {
  background-color: var(--primary);
  color: white;
  border-color: var(--primary);
}

.contact-option i {
  font-size: 1.5rem;
}

.smart-form {
  background: var(--bg-card);
  padding: 30px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.form-header {
  margin-bottom: 25px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-family: 'Open Sans', sans-serif;
  font-size: 1rem;
  background-color: var(--bg-body);
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.1);
}

.form-feedback {
  font-size: 0.85rem;
  color: var(--primary);
  margin-top: 5px;
  min-height: 20px;
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 20px;
}

.form-consent input {
  margin-top: 5px;
}

.btn-submit {
  width: 100%;
  padding: 15px;
  background-color: var(--primary);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-submit:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

.form-status {
  margin-top: 20px;
  padding: 15px;
  border-radius: var(--border-radius);
  display: none;
}

.form-status.success {
  display: block;
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.form-status.error {
  display: block;
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

/* 6. BANNER DE COOKIES */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-card);
    box-shadow: 0 -5px 20px rgba(0,0,0,0.2);
    z-index: 9999;
    padding: 20px;
    display: none;  /* ← DEBE ESTAR EN NONE */
    border-top: 3px solid var(--primary);
}

.cookie-banner.show {
    display: block;  /* ← Se muestra solo con esta clase */
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.cookie-text {
  flex: 1;
}

.cookie-text h4 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.cookie-buttons {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.cookie-btn {
  padding: 10px 20px;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
}

.cookie-essential {
  background-color: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.cookie-accept {
  background-color: var(--primary);
  color: white;
}

.cookie-settings {
  background-color: var(--gray-light);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.cookie-settings-panel {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background-color: var(--bg-card);
  padding: 30px;
  border-radius: var(--border-radius);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  z-index: 10000;
  width: 90%;
  max-width: 500px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.cookie-settings-panel.show {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.settings-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
}

.settings-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.settings-close:hover {
  background-color: var(--gray-light);
}

.cookie-category {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.category-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 10px;
}

.category-header input[type="checkbox"] {
  width: 20px;
  height: 20px;
}

.badge.required {
   background-color: #d81b60;;
  color: white;
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 0.8rem;
  margin-left: 10px;
}

.btn-save {
  width: 100%;
  padding: 12px;
  background-color: var(--primary);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  margin-top: 20px;
}

/* Overlay para cookies */
.cookie-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.cookie-overlay.show {
  opacity: 1;
  visibility: visible;
}

/* 7. ANIMACIONES AL SCROLL */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* Delay para animaciones en cascada */
.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }

/* Responsive */
@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .contact-options {
    grid-template-columns: 1fr;
  }
  
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
  
  .cookie-buttons {
    width: 100%;
    flex-direction: column;
  }
  
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
  }
}
/* Notificaciones toast */
#notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 350px;
    pointer-events: none;
}

#notification-container > * {
    pointer-events: auto;
}

/* Animación para cambios en el carrito */
.cart-count-changed {
    animation: cartPulse 0.3s ease-in-out;
}

@keyframes cartPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); background: var(--primary); color: white; }
    100% { transform: scale(1); }
}

/* Mejoras para modo oscuro */
[data-theme="dark"] #notification-container > div {
    background: #333;
    color: #fff;
}

[data-theme="dark"] #notification-container > div div {
    color: #fff !important;
}