/* Estilos para navegación de búsqueda mejorada - VERSIÓN PRO */
.search-navigation {
  max-width: 1000px;
  margin: 30px auto;
  padding: 0 20px;
  font-family: 'Roboto', 'Arial', sans-serif;
}

.search-nav-info {
  text-align: center;
  margin-bottom: 30px;
  font-size: 15px;
  color: #555;
  line-height: 1.5;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  padding: 16px 24px;
  border-radius: 12px;
  border-left: 4px solid #f7921e;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.search-nav-info strong {
  color: #f7921e;
  font-weight: 700;
}

.back-to-search {
  display: inline-block;
  margin-left: 15px;
  color: #f7921e;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  font-size: 14px;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(247, 146, 30, 0.1);
}

.back-to-search:hover {
  color: #fff;
  background: #f7921e;
  transform: translateX(-2px);
}

.search-nav-buttons {
  display: flex;
  gap: 30px;
  justify-content: center;
  align-items: stretch;
  perspective: 1000px;
}

.search-nav-btn {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 28px;
  background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
  border: 3px solid #e9ecef;
  border-radius: 20px;
  text-decoration: none;
  color: #333;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 
    0 4px 15px rgba(0,0,0,0.1),
    inset 0 1px 0 rgba(255,255,255,0.8);
  min-width: 280px;
  max-width: 360px;
  position: relative;
  overflow: hidden;
  font-family: 'Roboto', sans-serif;
  backdrop-filter: blur(10px);
}

.search-nav-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg, 
    transparent, 
    rgba(247, 146, 30, 0.15), 
    transparent
  );
  transition: left 0.6s ease;
}

.search-nav-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(247, 146, 30, 0.05) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.search-nav-btn:hover::before {
  left: 100%;
}

.search-nav-btn:hover::after {
  opacity: 1;
}

.search-nav-btn:hover {
  border-color: #f7921e;
  transform: translateY(-6px) scale(1.02);
  box-shadow: 
    0 12px 35px rgba(247, 146, 30, 0.25),
    0 6px 15px rgba(0,0,0,0.1),
    inset 0 1px 0 rgba(255,255,255,0.9);
  background: linear-gradient(135deg, #fff 0%, #fefefe 100%);
}

.search-nav-btn.search-nav-disabled {
  opacity: 0.4;
  cursor: not-allowed;
  border-color: #e0e0e0;
  background: linear-gradient(135deg, #f5f5f5 0%, #ececec 100%);
  color: #999;
}

.search-nav-btn.search-nav-disabled:hover {
  transform: none;
  border-color: #e0e0e0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.search-nav-btn.search-nav-disabled::before,
.search-nav-btn.search-nav-disabled::after {
  display: none;
}

.nav-arrow {
  font-size: 32px;
  font-weight: 900;
  color: #f7921e;
  min-width: 45px;
  height: 45px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f7921e 0%, #ff8c00 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  border-radius: 12px;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  text-shadow: 0 2px 8px rgba(247, 146, 30, 0.3);
}

/* Flecha con efecto de icono moderno */
.search-nav-prev .nav-arrow::before {
  content: "❮";
  font-size: 28px;
  font-weight: 900;
}

.search-nav-next .nav-arrow::before {
  content: "❯";
  font-size: 28px;
  font-weight: 900;
}

.search-nav-btn:hover .nav-arrow {
  transform: scale(1.3) rotate(5deg);
  text-shadow: 0 4px 15px rgba(247, 146, 30, 0.5);
}

.search-nav-prev:hover .nav-arrow {
  transform: scale(1.3) translateX(-3px) rotate(-5deg);
}

.search-nav-next:hover .nav-arrow {
  transform: scale(1.3) translateX(3px) rotate(5deg);
}

.search-nav-disabled .nav-arrow {
  background: #ccc;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
}

.search-nav-disabled .nav-arrow::before {
  color: #ccc;
}

.nav-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  transition: all 0.3s ease;
}

.nav-label {
  font-size: 13px;
  color: #f7921e;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 800;
  margin-bottom: 2px;
  text-shadow: 0 1px 3px rgba(247, 146, 30, 0.3);
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-title {
  font-size: 16px;
  font-weight: 600;
  color: #222;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.4;
  transition: all 0.3s ease;
  text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.search-nav-btn:hover .nav-title {
  color: #f7921e;
  transform: translateX(2px);
  text-shadow: 0 2px 4px rgba(247, 146, 30, 0.3);
}

.search-nav-prev:hover .nav-title {
  transform: translateX(-2px);
}

.search-nav-next .nav-content {
  text-align: right;
}

.search-nav-prev .nav-arrow {
  order: -1;
}

.search-nav-next .nav-arrow {
  order: 1;
}

/* Indicador de carga para botones de navegación */
.search-nav-btn.loading {
  pointer-events: none;
}

.search-nav-btn.loading .nav-arrow {
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Efectos adicionales para botones PRO */
.search-nav-btn {
  background-image: 
    linear-gradient(135deg, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0.4) 50%, transparent 100%),
    linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
}

.search-nav-btn:active {
  transform: translateY(-2px) scale(0.98);
  transition: transform 0.1s ease;
}

/* Efecto de pulso para llamar la atención */
@keyframes pulse-glow {
  0%, 100% { 
    box-shadow: 
      0 4px 15px rgba(0,0,0,0.1),
      inset 0 1px 0 rgba(255,255,255,0.8),
      0 0 0 0 rgba(247, 146, 30, 0.4);
  }
  50% { 
    box-shadow: 
      0 4px 15px rgba(0,0,0,0.1),
      inset 0 1px 0 rgba(255,255,255,0.8),
      0 0 0 8px rgba(247, 146, 30, 0.1);
  }
}

/* Aplicar pulso suave a los botones activos */
.search-nav-btn:not(.search-nav-disabled) {
  animation: pulse-glow 3s ease-in-out infinite;
}

.search-nav-btn:hover {
  animation: none;
}

/* Efecto de brillo en hover */
.search-nav-btn::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, #f7921e, #ff8c00, #f7921e);
  border-radius: 22px;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.search-nav-btn:hover::after {
  opacity: 0.3;
}

/* Indicador de dirección mejorado */
.search-nav-prev {
  background: linear-gradient(-45deg, #fff 0%, #f8f9fa 100%);
}

.search-nav-next {
  background: linear-gradient(45deg, #fff 0%, #f8f9fa 100%);
}

/* Responsive mejorado */
@media (max-width: 768px) {
  .search-nav-buttons {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }
  
  .search-nav-btn {
    min-width: 320px;
    max-width: 400px;
    padding: 18px 24px;
  }
  
  .search-nav-info {
    font-size: 14px;
    margin-bottom: 25px;
    padding: 14px 20px;
  }
  
  .back-to-search {
    display: block;
    margin: 15px 0 0 0;
    text-align: center;
    padding: 8px 16px;
  }
  
  .nav-arrow {
    font-size: 28px;
    min-width: 40px;
    height: 40px;
  }
  
  .nav-title {
    font-size: 15px;
  }
  
  .nav-label {
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .search-navigation {
    padding: 0 16px;
    margin: 20px auto;
  }
  
  .search-nav-btn {
    min-width: 280px;
    max-width: 100%;
    padding: 16px 20px;
    gap: 16px;
  }
  
  .nav-arrow {
    font-size: 24px;
    min-width: 35px;
    height: 35px;
  }
  
  .nav-arrow::before {
    font-size: 22px;
  }
  
  .nav-title {
    font-size: 14px;
  }
  
  .nav-label {
    font-size: 11px;
    letter-spacing: 0.8px;
  }
  
  .search-nav-btn:hover {
    transform: translateY(-4px) scale(1.01);
  }
}