/* ═══════════════════════════════════════════════════════════
   NAVBAR - TLDC-LGU System
   Global navigation bar styles
   ═══════════════════════════════════════════════════════════ */

#mainNav {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.07);
  padding: 0.7rem 0;
  transition: box-shadow var(--transition-normal);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
}

#mainNav.scrolled {
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.12);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  flex-shrink: 0;
}

.brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-text-main {
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 0.70rem;
  color: var(--navy);
  line-height: 1.2;
}

.brand-text-sub {
  font-size: 0.60rem;
  color: var(--text-mid);
}

.nav-link {
  font-family: var(--font-primary);
  font-weight: 500;
  font-size: 0.87rem;
  color: var(--text-dark) !important;
  padding: 0.4rem 0.85rem !important;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  background: rgba(245, 124, 0, 0.09);
  color: var(--orange) !important;
}

.btn-nav-reg {
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  color: white !important;
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.83rem;
  padding: 0.43rem 1.15rem;
  border-radius: var(--radius-md);
  border: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
}

.btn-nav-reg:hover {
  transform: translateY(-1px);
  box-shadow: var(--button-shadow);
  color: white !important;
}

.btn-nav-login {
  border: 1.5px solid var(--blue);
  color: var(--blue) !important;
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.83rem;
  padding: 0.43rem 1.1rem;
  border-radius: var(--radius-md);
  background: transparent;
  transition: background var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
}

.btn-nav-login:hover {
  background: var(--blue);
  color: white !important;
}

/* Mobile menu toggle */
.navbar-toggler {
  border: none;
  padding: 0.5rem;
}

.navbar-toggler:focus {
  outline: none;
  box-shadow: none;
}

/* Responsive */
@media (max-width: 991px) {
  .navbar-collapse {
    margin-top: var(--spacing-md);
  }
  
  .nav-link {
    padding: 0.75rem 1rem !important;
  }
  
  .btn-nav-login,
  .btn-nav-reg {
    width: 100%;
    justify-content: center;
    margin-top: var(--spacing-sm);
  }
}