/* Navigation bar */

.site-nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
  height: 48px;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  margin-right: 16px;
  white-space: nowrap;
}

.nav-link {
  font-size: 13px;
  padding: 6px 12px;
  border-radius: var(--radius);
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--text);
  background: var(--bg);
}

.nav-link.active {
  color: var(--primary);
  font-weight: 600;
  background: rgba(74, 144, 217, 0.08);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-github {
  color: var(--text-muted);
  display: flex;
  align-items: center;
  transition: color 0.15s;
}

.nav-github:hover {
  color: var(--text);
}

#lang-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 12px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text);
}

#lang-toggle:hover {
  background: var(--bg);
}

/* Responsive nav */
@media (max-width: 600px) {
  .site-nav {
    padding: 0 12px;
  }

  .nav-title {
    font-size: 14px;
    margin-right: 8px;
  }

  .nav-link {
    font-size: 12px;
    padding: 4px 8px;
  }
}