.bottom-nav.mobile {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--bottom-nav-height);
  background: #fff;
  border-top: 1px solid var(--light-gray);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

.bottom-nav.mobile a {
  color: var(--dark-gray);
  text-decoration: none;
  font-size: 0.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px 0;
  transition: color 0.2s;
}

.bottom-nav.mobile a span {
  margin-top: 4px;
}

.bottom-nav.mobile a.active {
  color: var(--primary-color);
  font-weight: 600;
}

/* Desktop side navigation */
.side-nav.desktop {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--side-nav-width);
  background-color: white;
  border-right: 1px solid var(--light-gray);
  padding: var(--spacing-lg) var(--spacing-md);
  display: flex;
  flex-direction: column;
  z-index: 1000;
}

.side-nav .app-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-md);
}

.side-nav .nav-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.side-nav a {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  border-radius: var(--border-radius);
  color: var(--text-color);
  text-decoration: none;
  transition: all 0.2s;
}

.side-nav a span {
  margin-left: 12px;
}

.side-nav a:hover {
  background-color: rgba(0, 122, 255, 0.1);
}

.side-nav a.active {
  background-color: var(--primary-color);
  color: white;
}

.side-nav .sub-menu {
  margin: var(--spacing-md) 0;
  padding-left: var(--spacing-md);
  border-left: 2px solid var(--light-gray);
}

.side-nav .sub-menu-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--dark-gray);
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-md);
}
@media (min-width: 768px) {
  .bottom-nav {
    position: static;
    height: 48px;
    border-top: none;
    border-bottom: 1px solid #eee;
    justify-content: flex-end;
    background: #fafbfc;
  }
  .bottom-nav a {
    flex: none;
    margin-left: 2em;
    font-size: 1rem;
  }
}