/* Fuente recomendada para estilo Apple: San Francisco o System UI */
:root {
  --glass-bg: rgba(20, 20, 20, 0.65); /* Fondo oscuro translúcido */
  --glass-border: rgba(255, 255, 255, 0.15); /* Borde sutil */
  --glass-highlight: rgba(255, 255, 255, 0.1); /* Brillo al pasar el mouse */
  --active-glow: rgba(255, 255, 255, 0.25); /* Estado activo */
}

body {
  padding-bottom: 100px;
  background-color: #1a1a1a; /* Fondo oscuro para que resalte el efecto */
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Contenedor principal estilo "Cápsula Flotante" */
.glass-dock {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%); /* Centrado horizontal */
  
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  
  /* EL EFECTO LIQUID GLASS */
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%); /* Desenfoque potente */
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  
  border-radius: 50px; /* Bordes totalmente redondeados */
  border: 1px solid var(--glass-border);
  border-top: 1px solid rgba(255, 255, 255, 0.3); /* Borde superior más brillante (luz) */
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.4), /* Sombra profunda */
    0 2px 8px rgba(0, 0, 0, 0.2),  /* Sombra cercana */
    inset 0 1px 0 rgba(255, 255, 255, 0.1); /* Brillo interior */
  
  z-index: 1000;
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Items individuales */
.dock-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: rgba(255, 255, 255, 0.7);
  padding: 8px 16px;
  border-radius: 24px;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  position: relative;
  overflow: hidden;
}

/* Efecto Hover */
.dock-item:hover {
  background-color: var(--glass-highlight);
  color: #fff;
  transform: translateY(-4px) scale(1.05); /* Flota un poco hacia arriba */
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* Estado Activo */
.dock-item.active {
  background-color: var(--active-glow);
  color: #ffffff;
  box-shadow: 
    0 0 15px rgba(255, 255, 255, 0.1),
    inset 0 0 10px rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255,255,255,0.1);
}

/* Iconos */
.dock-icon {
  font-size: 1.5rem;
  margin-bottom: 4px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
  transition: transform 0.3s ease;
}

.dock-item:hover .dock-icon {
  transform: scale(1.1);
}

/* Texto */
.dock-text {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  opacity: 0.8;
}

/* Ajustes Responsive (Móvil) */
@media (max-width: 480px) {
  .glass-dock {
    bottom: 16px;
    width: 85%; /* No ocupar todo el ancho */
    justify-content: space-between;
    padding: 10px 15px;
    border-radius: 30px;
  }
  
  .dock-item {
    padding: 6px 10px;
  }
  
  .dock-icon {
    font-size: 1.3rem;
  }
}