/* Navbar styles extracted from styles.css */

/***** Top Navigation Bar *****/
.topnav.classic-glass {
  position: fixed;
  top: 0; left: 0; right: 0;
  width: 100vw;
  background: rgba(255,255,255,0.85);
  box-shadow: 0 4px 24px rgba(30,41,59,0.10);
  backdrop-filter: blur(12px);
  z-index: 100;
  border-bottom: 1.5px solid #64748b22;
  border-radius: 0;
  padding: 0.5rem 2rem;
  min-width: unset;
  max-width: unset;
  display: block;
}
.nav-content {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.5rem 2rem;
  width: 100%;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.nav-logo {
  width: 48px; height: 48px;
  border-radius: 50%;
  box-shadow: 0 2px 8px #64748b22;
}
.nav-title {
  font-size: 1.3rem;
  font-weight: bold;
  color: #2563eb;
  letter-spacing: 1px;
}
.grouped-nav {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-group {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}
.nav-divider {
  border-left: 1.5px solid #e0e7ef;
  padding-left: 2.5rem;
  margin-left: 2.5rem;
}
.nav-links {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.2rem 0.3rem;
  font-size: 0.89rem;
}
.nav-links a {
  padding: 0.22rem 0.45rem;
  font-size: 0.89rem;
  border-radius: 0.4rem;
}
.nav-links span {
  font-size: 0.89rem;
}
.nav-links a:hover, .nav-links a:focus {
  background: #2563eb22;
  color: #2563eb;
  outline: none;
}
#toggle-theme {
  background: none;
  border: none;
  color: #2563eb;
  font-size: 1.2rem;
  cursor: pointer;
  margin-left: auto;
  padding: 0.3rem 0.7rem;
  border-radius: 1.2rem;
  transition: background 0.2s;
}
#toggle-theme:hover, #toggle-theme:focus {
  background: #2563eb22;
  color: #2563eb;
}
.nav-links a, .nav-links a i, .nav-links a span {
  color: #6366f1 !important;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a:focus,
.nav-links a:hover i, .nav-links a:focus i,
.nav-links a:hover span, .nav-links a:focus span {
  color: #3730a3 !important;
}
.nav-links a.active, .nav-links a.active i, .nav-links a.active span {
  color: #3730a3 !important;
}
@media (max-width: 900px) {
  .topnav.classic-glass { position: static; }
  .nav-content { flex-direction: column; align-items: flex-start; padding: 1rem; }
  .grouped-nav { flex-direction: column; gap: 1rem; justify-content: flex-start; }
  .nav-group, .nav-divider { flex-direction: column; gap: 0.5rem; padding-left: 0; margin-left: 0; border-left: none; }
  .nav-links a { font-size: 0.92rem; padding: 0.3rem 0.5rem; }
  #toggle-theme { font-size: 1rem; margin-left: 0.3rem; padding: 0.2rem 0.4rem; }
}

/***** Main Content Top Margin for fixed topnav *****/
.main-content.main-content-topnav {
  margin-left: 0;
  margin-top: 90px;
  padding: 2rem 1rem;
  max-width: 1200px;
}
@media (max-width: 900px) {
  .topnav.classic-glass { position: static; }
  .nav-content { flex-direction: column; align-items: flex-start; padding: 1rem; }
  .nav-links { flex-wrap: wrap; gap: 0.5rem; }
  .main-content.main-content-topnav { margin-top: 30px; padding: 1rem; }
}

/* Hide-on-scroll behavior */
.topnav.navbar-hidden {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1), opacity 0.25s;
}
.topnav {
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1), opacity 0.25s;
}