body {
  font-family: system-ui, sans-serif;
  max-width: 32rem;
  margin: 3rem auto;
  padding: 0 1rem;
}

section {
  border: 1px solid #ddd;
  border-radius: 0.5rem;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

section h2 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #666;
}

#counter-val {
  font-size: 4rem;
  margin: 0;
  text-align: center;
}

#counter-buttons {
  text-align: center;
  margin-top: 0.5rem;
}

button {
  font-size: 1rem;
  padding: 0.4rem 1rem;
}

#list-add {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

#list-add input {
  flex: 1;
  padding: 0.4rem 0.6rem;
  font-size: 1rem;
}

ul#list-items {
  list-style: none;
  padding: 0;
  margin: 0;
}

ul#list-items li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid #eee;
}

ul#list-items li button {
  font-size: 0.85rem;
  padding: 0.2rem 0.5rem;
}

#text-area {
  width: 100%;
  min-height: 8rem;
  font-family: ui-monospace, monospace;
  font-size: 0.95rem;
  padding: 0.5rem;
  box-sizing: border-box;
}

#status {
  color: #666;
  font-size: 0.85rem;
  text-align: center;
  margin-bottom: 1.5rem;
}

#sync-bar {
  text-align: center;
  margin-top: 1rem;
}

#sync-note {
  color: #666;
  font-size: 0.85rem;
  text-align: center;
  margin-top: 1rem;
}