/* styles.css */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: sans-serif;
  line-height: 1.4;
  padding: 16px;
}
.container {
  display: flex;
  gap: 16px;
}
.filters {
  flex: 1;
  max-width: 240px;
}
.results {
  flex: 3;
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
}
th,
td {
  padding: 8px;
  border: 1px solid #ddd;
  text-align: left;
}

/* Responsive: stack on narrow */
@media (max-width: 768px) {
  .container {
    flex-direction: column;
  }
  .filters,
  .results {
    max-width: none;
  }
}

@media (max-width: 768px) {
  /* hide the focal-length column on mobile */
  .col-desktop-only {
    display: none;
  }
}