/* Top Navigation Bar */

#top-nav {
  height: var(--topnav-height);
  background: rgba(33, 33, 33, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  flex-shrink: 0;
  z-index: 100;
}

.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

.logo-accent {
  color: var(--accent);
  -webkit-text-fill-color: var(--accent);
}

.nav-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 0.75rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

.nav-btn:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.nav-btn:active {
  transform: scale(0.95);
}