/* Darkerox - Navigation Header Stylesheet */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-fast);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 1.5rem;
}

/* Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.brand-logo:hover {
  transform: translateY(-1px);
}

.brand-logo .brand-text {
  display: inline-flex;
  align-items: center;
}

.brand-logo .accent-text {
  background: linear-gradient(135deg, #ff2a33, #e50914);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 10px rgba(229, 9, 20, 0.45));
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0.5rem 0.25rem;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--accent);
  border-radius: var(--radius-full);
  box-shadow: 0 0 8px var(--accent);
}

/* Header Search Bar */
.header-search {
  flex: 1;
  max-width: 440px;
  position: relative;
}

.search-form {
  display: flex;
  align-items: center;
  position: relative;
  width: 100%;
}

.search-input {
  width: 100%;
  padding: 0.6rem 2.8rem 0.6rem 1rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: all var(--transition-fast);
}

.search-input:focus {
  background-color: var(--bg-tertiary);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-btn {
  position: absolute;
  right: 6px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.search-btn:hover {
  color: var(--accent);
}

/* Category Dropdown */
.nav-dropdown {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: transparent;
  border: none;
  cursor: pointer;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 200px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  box-shadow: var(--shadow-lg);
  display: none;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: 110;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown.open .dropdown-menu {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 0.5rem 0.85rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
}

/* Header Admin badge button */
.admin-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.admin-link-btn:hover {
  background-color: rgba(229, 9, 20, 0.15);
  border-color: var(--accent);
  color: var(--text-primary);
}

/* Responsive Navbar */
@media (max-width: 900px) {
  .header-search {
    max-width: 240px;
  }
}

@media (max-width: 768px) {
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
  }

  .navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
    height: 64px;
    padding-left: 0.75rem;
    padding-right: 0.75rem;
    gap: 0.5rem;
    position: relative;
  }

  .brand-logo {
    order: 1;
    font-size: 1.3rem;
    flex-shrink: 0;
  }

  .header-search {
    order: 2;
    flex: 1;
    min-width: 0;
    max-width: 100%;
    margin: 0;
  }

  .search-input {
    padding: 0.45rem 2.2rem 0.45rem 0.75rem;
    font-size: 0.8rem;
  }

  .search-btn {
    width: 28px;
    height: 28px;
    right: 4px;
  }

  .mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    order: 3;
    flex-shrink: 0;
    padding: 0.4rem 0.5rem;
    border-radius: var(--radius-md);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    background-color: var(--bg-secondary);
    border-bottom: 2px solid var(--accent);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    flex-direction: column;
    align-items: stretch;
    padding: 0.85rem 1.25rem;
    gap: 0.6rem;
    display: none;
    z-index: 200;
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-menu .nav-link {
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-sm);
  }

  .nav-menu .nav-link:hover, .nav-menu .nav-link.active {
    background-color: var(--bg-tertiary);
  }
}