/* Mobile Bottom Navigation */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 11, 13, 0.95);
  backdrop-filter: saturate(140%) blur(20px);
  border-top: 1px solid var(--color-line);
  padding: 8px 0 calc(8px + env(safe-area-inset-bottom));
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.mobile-bottom-nav {
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  min-height: 56px;
  min-width: 56px;
  text-decoration: none;
  color: var(--color-text-muted);
  transition: all 0.2s ease;
  border-radius: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-item:hover,
.nav-item:focus {
  color: var(--color-text-high);
  background: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
  color: #E39E2E;
  background: rgba(227, 158, 46, 0.1);
}

.nav-icon {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.nav-label {
  font-size: 11px;
  font-weight: 400;
  line-height: 1;
  text-align: center;
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1100;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.mobile-menu-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-content {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 320px;
  max-width: 85vw;
  background: var(--color-surface-deep);
  border-left: 1px solid var(--color-line);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

.mobile-menu-overlay.open .mobile-menu-content {
  transform: translateX(0);
}

.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--color-line);
}

.mobile-menu-header h3 {
  margin: 0;
  font-size: 20px;
  color: var(--color-text-high);
}

.mobile-menu-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.mobile-menu-close:hover {
  color: var(--color-text-high);
  background: rgba(255, 255, 255, 0.05);
}

.mobile-menu-close svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.mobile-menu-body {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
}

.mobile-menu-section {
  margin-bottom: 32px;
}

.mobile-menu-section h4 {
  margin: 0 0 16px;
  font-size: 16px;
  color: var(--color-text-high);
  font-weight: 600;
}

.mobile-menu-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 16px;
  transition: color 0.2s ease;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-menu-link:hover {
  color: var(--color-text-high);
}

.mobile-menu-link:last-child {
  border-bottom: none;
}

.menu-icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Mobile-specific styles */
@media (max-width: 900px) {
  .mobile-bottom-nav {
    display: flex;
  }
  
  /* Add bottom padding to body to prevent content from being hidden behind nav */
  body {
    padding-bottom: 80px;
  }
  
  /* Hide desktop navigation */
  .nav nav {
    display: none !important;
  }
  
  .menu-toggle {
    display: none !important;
  }
}

@media (min-width: 901px) {
  .mobile-bottom-nav {
    display: none;
  }
  
  .mobile-menu-overlay {
    display: none;
  }
}