body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  background: #f5f7fa;
  color: #1b2430;
}

main {
  max-width: 720px;
  margin: 64px auto;
  padding: 28px;
  background: #ffffff;
  border: 1px solid #d9e1ea;
  border-radius: 12px;
}

h1 {
  margin-top: 0;
}

h2 {
  margin-bottom: 12px;
}

.lead {
  margin-top: 0;
  color: #4f6175;
}

label {
  display: block;
  margin: 10px 0 6px;
  font-weight: 600;
}

input,
textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #c7d2de;
  border-radius: 8px;
  padding: 10px 12px;
  font: inherit;
}

button {
  margin-top: 12px;
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
  background: #145cba;
  color: #fff;
  cursor: pointer;
}

button:hover {
  background: #104d9d;
}

.row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.between {
  justify-content: space-between;
}

.hidden {
  display: none;
}

#notes-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
}

#notes-list li {
  border: 1px solid #d8e1eb;
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 10px;
}

#notes-list h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}

#status {
  margin-top: 16px;
  min-height: 20px;
  color: #1d4f9c;
  font-weight: 600;
}