/* === NAV BAR === */
.nav-bar {
  background: var(--bg-secondary);
  border-bottom: 2px solid var(--border);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 0;
  height: 48px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-bar .brand {
  font-size: 1.3rem;
  font-weight: bold;
  color: var(--accent-legendary);
  text-decoration: none;
  margin-right: 1.5rem;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: stretch;
  gap: 0;
  height: 100%;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  padding: 0 1rem;
  border-bottom: 2px solid transparent;
  font-size: 0.9rem;
  transition: color 0.15s, border-color 0.15s;
}

.nav-links a:hover { color: var(--text-primary); }
.nav-links a.active { color: var(--text-primary); border-bottom-color: var(--accent-rare); }

.nav-sep {
  width: 1px;
  height: 20px;
  background: var(--border);
  align-self: center;
  margin: 0 0.75rem;
}

.spec-badge {
  background: var(--bg-tertiary);
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
}

.nav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.nav-change {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: color 0.15s, border-color 0.15s;
}

.nav-change:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

/* === SPEC DROPDOWN === */
.spec-dropdown { position: relative; }

.spec-dropdown-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: border-color 0.15s;
}

.spec-dropdown-btn:hover { border-color: var(--border-hover); }
.spec-dropdown-btn .arrow { font-size: 0.6rem; color: var(--text-muted); }

.spec-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  min-width: 220px;
  padding: 0.5rem 0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  z-index: 200;
  max-height: 400px;
  overflow-y: auto;
}

.spec-menu.open { display: block; }

.spec-menu-class {
  padding: 0.3rem 0.8rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.spec-menu-class:not(:first-child) {
  border-top: 1px solid var(--border);
  margin-top: 0.3rem;
  padding-top: 0.5rem;
}

.spec-menu a {
  display: block;
  padding: 0.3rem 0.8rem 0.3rem 1.4rem;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.spec-menu a:hover { background: var(--bg-hover); }
.spec-menu a.current { color: var(--accent-rare); font-weight: 600; }

/* === PIN GEAR BUTTON === */
.pin-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.15s;
}

.pin-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.pin-btn.active {
  color: var(--accent-rare);
  border-color: var(--accent-rare);
  background: rgba(0, 112, 221, 0.1);
}

/* === NAV RESPONSIVE === */
@media (max-width: 768px) {
  .nav-bar { padding: 0 1rem; }
  .nav-links a { padding: 0 0.6rem; font-size: 0.8rem; }
  .nav-sep { display: none; }
}

@media (max-width: 480px) {
  .nav-bar { flex-wrap: wrap; height: auto; padding: 0.5rem 1rem; gap: 0.5rem; }
  .nav-links { width: 100%; order: 2; }
  .nav-right { order: 1; }
}