body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f4f4f9;
  color: #333;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem;
}

h1 {
  color: #4a90e2;
  margin-bottom: 2rem;
}

#noteInput {
  width: 100%;
  max-width: 500px;
  min-height: 100px;
  padding: 1rem;
  border: 2px solid #ddd;
  border-radius: 8px;
  font-size: 1rem;
  resize: vertical;
  margin-bottom: 1rem;
}

#noteInput:focus {
  border-color: #4a90e2;
  outline: none;
}

#saveNote {
  padding: 0.7rem 1.5rem;
  background-color: #4a90e2;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  margin-bottom: 2rem;
}

#saveNote:hover {
  background-color: #357abd;
}

#notesList {
  list-style: none;
  width: 100%;
  max-width: 500px;
}

#notesList li {
  background-color: #fff;
  padding: 0.8rem 1rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  margin-bottom: 0.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.note-item { margin: 0.5rem 0; padding: .5rem; border-radius: 6px; background: #fff; box-shadow: 0 0 0 1px rgba(0,0,0,0.03); }
.note-content { margin-bottom: .25rem; }
.note-meta { font-size: .8rem; color: #6b7280; }

@media (max-width: 600px) {
  body {
    padding: 1rem;
  }
}