/* General styles */
body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

.container {
  width: 80%;
  margin: auto;
  overflow: hidden;
}

/* Header styles */
header {
  background-color: #333;
  color: #fff;
  padding: 1rem;
}

header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header .logo {
  font-size: 1.5rem;
  text-decoration: none;
  color: #fff;
}

header ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

/* Filter controls */
.filter-controls {
  margin-top: 1rem;
}

/* Main content */
main {
  display: flex;
  margin-top: 2rem;
}

#news-stories {
  flex: 3;
  margin-right: 2rem;
}

/* Floating sidebar */
#floating-sidebar {
  flex: 1;
  position: sticky;
  top: 2rem;
}

.info-panel {
  background-color: #f8f8f8;
  border: 1px solid #ccc;
  padding: 1rem;
  margin-bottom: 2rem;
}

.trending-stories {
  background-color: #f8f8f8;
  border: 1px solid #ccc;
  padding: 1rem;
}

.trending-stories h3 {
  margin-top: 0;
}

#trending-date-range {
  display: block;
  width: 100%;
  margin-bottom: 1rem;
}

#trending-list {
  list-style-type: none;
  margin: 0;
  padding: 0;
}
#spinner {
  display: none;
  width: 40px;
  height: 40px;
  margin: 0 auto;
  border-radius: 50%;
  border: 5px solid rgba(0, 0, 0, 0.2);
  border-top-color: #000;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}