.navbar-nav{

}

#mainNav {
  padding-top: 1rem;
  /* padding-bottom: 1rem; */
  background-color: var(--dark-color);
  z-index: 1050 !important;
  position: fixed !important;
  width: 100%;
  top: 0;
}

#mainNav .navbar-toggler {
  padding: 0.75rem;
  font-size: 0.75rem;
  font-family: var(--font-family-heading);
  text-transform: uppercase;
  font-weight: 700;
}

#mainNav .navbar-brand {
  color: var(--primary-color);
  font-family: "Kaushan Script", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, cursive, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  font-weight: 400;
  font-style: italic;
  letter-spacing: 0;
  text-transform: none;
}

#topBar{
  position: fixed !important;
  top: 0 !important;
  left: 260px !important;
  right: 0 !important;
  background: #fff !important;
  z-index: 1060 !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  transition: all 0.5s ease;
}

/* Quando la sidebar è chiusa */
body.sidebar-closed #topBar {
  left: 50px !important;
}

/* Mobile: topbar full width */
@media screen and (max-width: 768px) {
  #topBar {
    left: 0 !important;
  }
  
  body.sidebar-closed #topBar {
    left: 0 !important;
  }
}

/* Topic Dropdown Integration */
#topic-dropdown-container {
  position: relative;
}

#topic-dropdown-container .btn {
  padding: 4px 6px !important;
  background: transparent !important;
  border: none !important;
  transition: all 0.15s ease;
  border-radius: 6px;
}

#topic-dropdown-container .btn:hover {
  background: rgba(0, 0, 0, 0.05) !important;
}

#topic-dropdown-container .btn:focus,
#topic-dropdown-container .btn:active {
  box-shadow: none !important;
  outline: none !important;
}

#topic-dropdown-container .btn::after {
  display: none !important;
}

#topic-dropdown-container .dropdown-menu {
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  padding: 6px;
  margin-top: 6px;
  font-size: 14px;
}

#topic-dropdown-container .dropdown-item {
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 14px;
  transition: background 0.15s ease;
  cursor: pointer;
  color: #1f2937;
  font-weight: 400;
}

#topic-dropdown-container .dropdown-item:hover {
  background: #f3f4f6;
  color: #1f2937;
}

#topic-dropdown-container .dropdown-item.active {
  background: #10a37f;
  color: #ffffff;
  font-weight: 500;
}

#topic-dropdown-container .dropdown-item.active:hover {
  background: #0d8a6a;
}

#selected-topic-display {
  font-weight: 400;
  color: #1f2937;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

@media screen and (max-width: 768px) {
  #topBar {
    z-index: 1030;
  }
  
  #selected-topic-display {
    font-size: 12px !important;
  }
}

#mainNav .navbar-brand img {
  height: 1.5rem;
}

#mainNav .navbar-nav .nav-item .nav-link {
  font-family: var(--bs-body-font-family);
  color: var(--bs-heading-color);;
}

#mainNav .navbar-nav .nav-item .nav-link.active,
#mainNav .navbar-nav .nav-item .nav-link:hover {
  color: var(--primary-color);
}


@media (min-width: 992px) {

  #mainNav {
    padding: 0.3rem 0;
    /* padding-bottom: 1.5rem; */
    border: none;
    background-color: #fff;
    transition: padding-top 0.3s ease-in-out, padding-bottom 0.3s ease-in-out;
  }

  #mainNav .navbar-brand {
    font-size: 1.5em;
    transition: font-size 0.3s ease-in-out;
  }

  #mainNav .navbar-brand img {
    height: 2rem;
    transition: height 0.3s ease-in-out;
  }

  #mainNav.navbar-shrink {
    padding: 0.3rem;
    /* padding-bottom: 1rem; */
    background-color: var(--light-color);
  }

  #mainNav.navbar-shrink .navbar-brand {
    font-size: 1.55em;
  }

  #mainNav.navbar-shrink .navbar-brand svg,
  #mainNav.navbar-shrink .navbar-brand img {
    height: 1.5rem;
  }

  #mainNav .navbar-nav .nav-item {
    margin-right: 1rem;
  }

  #mainNav .navbar-nav .nav-item:last-child {
    margin-right: 0;
  }
}