/* Header Styles */
.header {
  background: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  font-size: 1.8rem;
  font-weight: bold;
  color: #3b82f6;
}

.logo-icon {
  width: 32px;
  height: 32px;
  margin-right: 8px;
  fill: #3b82f6;
}

.nav {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav a {
  text-decoration: none;
  color: #374151;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav a:hover {
  color: #3b82f6;
}

.auth-buttons {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.btn-login {
  background: none;
  border: none;
  color: #374151;
  cursor: pointer;
  font-weight: 500;
  padding: 0.5rem 1rem;
  transition: color 0.3s ease;
}

.btn-login:hover {
  color: #3b82f6;
}

.btn-signup {
  background: #3b82f6;
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  transition: background-color 0.3s ease;
}

.btn-signup:hover {
  background: #2563eb;
}

@media (max-width: 768px) {
  .nav {
    display: none;
  }
}