/* ============================================
   NAVIGATION.CSS - Bottom Navigation Bar
   ============================================ */

/* App Wrapper */
.app-wrapper {
  width: 100%;
  min-height: 100vh;
  padding-bottom: 90px;
  position: relative;
}

/* Page System */
.page {
  display: none;
  animation: pageSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.page.active {
  display: block;
}

/* Bottom Navigation - Glassmorphism */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 70px;
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 0 10px;
  z-index: 1000;
  
  /* Glassmorphism Effect */
  background: rgba(18, 18, 18, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 -5px 30px rgba(0, 0, 0, 0.3);
}

/* Nav Items */
.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 8px 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  -webkit-tap-highlight-color: transparent;
}

/* Circle Button Style */
.nav-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  background: linear-gradient(135deg, #9c88ff 0%, #8e78ff 50%, #7c5ce7 100%);
  box-shadow: 
    0 4px 15px rgba(156, 136, 255, 0.3),
    0 6px 20px rgba(156, 136, 255, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.nav-icon {
  font-size: 22px;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* White icon for add button */
.nav-add .nav-icon {
  filter: brightness(0) invert(1);
}

.nav-label {
  font-size: 10px;
  margin-top: 6px;
  font-weight: 500;
  color: #9c88ff;
  transition: all 0.3s ease;
  letter-spacing: 0.3px;
}

/* Add Button Alignment */
.nav-add-btn {
  margin-top: 0;
}

.nav-add-btn .nav-circle {
  width: 48px;
  height: 48px;
}

/* Hover Effect */
.nav-item:hover .nav-circle {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 
    0 8px 25px rgba(156, 136, 255, 0.5),
    0 12px 35px rgba(156, 136, 255, 0.25);
}

.nav-item:hover .nav-label {
  transform: translateY(-1px);
}

/* Active State */
.nav-item.active .nav-circle {
  transform: scale(1.05) translateY(-2px);
  box-shadow: 
    0 6px 20px rgba(156, 136, 255, 0.6),
    0 8px 30px rgba(156, 136, 255, 0.3);
}

.nav-item.active .nav-label {
  font-weight: 600;
}

/* Mobile Touch Feedback */
.nav-item:active {
  transform: scale(0.95);
}

/* Responsive Adjustments */
@media (max-width: 380px) {
  .nav-label {
    font-size: 9px;
  }
  
  .nav-circle {
    width: 44px;
    height: 44px;
  }
}

@media (min-width: 500px) {
  .bottom-nav {
    max-width: 500px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 20px 20px 0 0;
  }
}