/* --- global styles --- */
body {
    margin: 0;              /* remove default white border */
    font-family: system-ui, sans-serif;
    text-align: center;
    background-color: #fafafa;
  }
  
  /* --- heading --- */
  h1 {
    margin-top: 2rem;
    color: #333;
  }
  
  /* --- image --- */
  img {
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    max-width: 90%;
    height: auto;
  }
  
  /* --- paragraph --- */
  p {
    font-size: 1.1rem;
    color: #555;
  } 
  
  /* --- dark theme overrides --- */
body.dark {
  background-color: #121212;
  color: #e0e0e0;
}

body.dark h1 {
  color: #fafafa;
}

body.dark button {
  background: #303030;
  color: #fafafa;
  border: 1px solid #555;
}

/* button default look (light mode) */
button {
  margin-top: 1.5rem;
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  border-radius: 6px;
  border: 1px solid #ccc;
  background: #f2f2f2;
  cursor: pointer;
}