body {
  font-family: Arial, sans-serif;
  background: #f3f6fa;
  margin: 0;
  padding: 0;
}

.container {
  width: 80%;
  max-width: 700px;
  margin: 40px auto;
}

h1, h2 {
  text-align: center;
  color: #333;
}

.card, .note {
  background: white;
  padding: 20px;
  margin: 15px 0;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

input, textarea {
  width: 100%;
  margin: 8px 0;
  padding: 10px;
  box-sizing: border-box;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 14px;
}

textarea {
  resize: vertical;
  min-height: 80px;
}

button {
  background: #4b7bec;
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: 6px;
  cursor: pointer;
  margin-right: 6px;
  font-size: 14px;
}

button:hover {
  opacity: 0.85;
}

.note-actions {
  margin-top: 12px;
  display: flex;
  gap: 8px;
}

.delete {
  background: #eb3b5a;
}

.edit {
  background: #f7b731;
}

.save {
  background: #20bf6b;
}

.cancel {
  background: #a5b1c2;
}

.note h3 {
  margin: 0 0 8px 0;
  color: #2d3436;
}

.note p {
  margin: 0;
  color: #636e72;
  white-space: pre-wrap;
}

.note-edit input,
.note-edit textarea {
  margin: 6px 0;
}

.empty {
  text-align: center;
  color: #a5b1c2;
  font-style: italic;
  padding: 20px;
}