body {
  margin: 0;
  background: #f5f6fa;
  font-family: system-ui, sans-serif;
}

#searchBar {
  display: flex;
  gap: 10px;
  padding: 15px;
  background: white;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 10;
}

#searchInput {
  flex: 1;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #ccc;
}

#searchBtn {
  padding: 10px 20px;
  border: none;
  background: #4a90e2;
  color: white;
  border-radius: 8px;
}

#app {
  max-width: 1000px;
  margin: 20px auto;
  padding: 0 15px;
}

.card {
  background: white;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 15px;
}

.cover {
  width: 100%;
  border-radius: 8px;
}

.tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 15px;
}

.tab {
  padding: 8px 16px;
  background: #eee;
  border-radius: 8px;
  cursor: pointer;
}

.tab.active {
  background: #4a90e2;
  color: white;
}

.hidden {
  display: none;
}