:root {
  --background-color: #eef2f7;
  --primary-color: #0052ff;
  --text-color: #1a1a1a;
}

body {
  font-family: 'Pretendard', sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  margin: 0;
  padding: 3rem 1rem;
  display: flex;
  justify-content: center;
  align-items: flex-start; /* Align to top for better view on long pages */
  min-height: 100vh;
  box-sizing: border-box;
}

#bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.7;
}

#app {
  width: 100%;
  max-width: 600px;
  position: relative;
  z-index: 1;
}

stock-calculator {
  display: block;
  width: 100%;
  transition: all 0.3s ease;
}

@media (max-width: 600px) {
  body {
    padding: 1.5rem 1rem;
  }
}