/* Site Header Styles */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.site-header .logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.site-header .logo {
  height: 40px;
  width: auto;
}

/* Navigation Dropdown */
.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
  margin: 0 20px;
}

.nav-dropdown {
  position: relative;
}

.nav-toggle {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 16px;
  cursor: pointer;
  color: var(--text);
  font-size: 14px;
  transition: all .2s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-toggle:hover {
  background: var(--border);
}

.nav-icon {
  font-size: 16px;
}

.nav-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  min-width: 220px;
  padding: 8px;
  display: none;
  z-index: 1000;
}

.nav-menu.active {
  display: block;
}

.nav-item {
  display: block;
  padding: 10px 14px;
  color: var(--text);
  text-decoration: none;
  border-radius: 8px;
  transition: background .2s;
  font-size: 14px;
}

.nav-item:hover {
  background: var(--input-bg);
}

.nav-divider {
  height: 1px;
  background: var(--border);
  margin: 6px 0;
}

/* Theme Toggle */
.theme-toggle {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  color: var(--text);
  font-size: 14px;
  transition: all .2s;
}

.theme-toggle:hover {
  background: var(--border);
}

.theme-toggle-icon {
  width: 20px;
  height: 20px;
  vertical-align: middle;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .main-nav {
    margin: 0 10px;
  }
  
  .nav-menu {
    right: auto;
    left: 0;
  }
}