/* NGSL Band Study App Styling - Clean Modern Layout */
#ngsl-study {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  display: flex;
  justify-content: center;
  padding: 2rem 1rem;
  box-sizing: border-box;
}
#ngsl-study .card {
  max-width: 960px;
  width: 100%;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  padding: 1.75rem 1.5rem 2rem;
  box-sizing: border-box;
}
#ngsl-study h1 {
  font-size: 1.5rem;
  margin: 0 0 0.25rem;
}
#ngsl-study .subtitle {
  font-size: 0.9rem;
  color: #555;
  margin-bottom: 1.5rem;
}
#ngsl-study .layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
#ngsl-study .word-list {
  max-height: 420px;
  overflow-y: auto;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  padding: 0.5rem;
  background: #f8fafc;
}
#ngsl-study .word-item {
  display: inline-block;
  margin: 0.15rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: none;
  font-size: 0.9rem;
  cursor: pointer;
  background: #e2e8f0;
  color: #0f172a;
  transition: background 0.1s ease, transform 0.05s ease;
}
#ngsl-study .word-item:hover {
  background: #cbd5f5;
  transform: translateY(-1px);
}
#ngsl-study .word-item.active {
  background: #0f766e;
  color: #ffffff;
}
#ngsl-study .details {
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  padding: 1rem 1.1rem;
  min-height: 220px;
  background: #f9fafb;
}
@media (max-width: 768px) {
  #ngsl-study .layout { grid-template-columns: 1fr; }
  #ngsl-study .word-list { max-height: 260px; }
}