.navbar {
  background-color: var(--bg-primary);
  border-bottom: 2px solid var(--accent);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 200;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.nav-brand {
  color: var(--accent);
  font-size: 20px;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.5px;
  transition: var(--transition);
}

.nav-brand:hover {
  color: var(--accent-light);
  transform: translateY(-2px);
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-item {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: var(--transition);
  border-bottom: 2px solid transparent;
  padding: 8px 4px;
  cursor: pointer;
}

.nav-item:hover {
  color: var(--accent-light);
}

.nav-item.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.nav-burger {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  gap: 6px;
}

.nav-burger span {
  width: 25px;
  height: 3px;
  background-color: var(--accent);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-burger.active span:nth-child(1) {
  transform: rotate(45deg) translate(10px, 10px);
}

.nav-burger.active span:nth-child(2) {
  opacity: 0;
}

.nav-burger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  transition: var(--transition);
  color: var(--text-secondary);
}

.theme-toggle:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--accent);
  color: var(--accent);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

.sun-icon {
  display: block;
}

.moon-icon {
  display: none;
}

:root[data-theme="dark"] .sun-icon {
  display: none;
}

:root[data-theme="dark"] .moon-icon {
  display: block;
}

@media (max-width: 768px) {
  .nav-burger {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: var(--bg-primary);
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
  }

  .nav-links.active {
    max-height: 300px;
    padding: 1rem 0;
  }

  .nav-item {
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
    width: 100%;
  }

  .nav-item.active {
    background-color: var(--bg-tertiary);
    border-left: 3px solid var(--accent);
    padding-left: 17px;
  }
}