body {
  font-family: system-ui, -apple-system, "Hiragino Sans", sans-serif;
  margin: 0;
  background: #f7f7f8;
  color: #1a1a1a;
}

header {
  padding: 16px 24px;
  background: #fff;
  border-bottom: 1px solid #e0e0e0;
}

h1 {
  font-size: 18px;
  margin: 0;
}

main {
  padding: 24px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

th, td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid #eee;
  font-size: 14px;
}

th {
  background: #fafafa;
  font-weight: 600;
}

nav {
  margin-top: 8px;
}

nav a {
  margin-right: 16px;
  font-size: 13px;
  color: #333;
}

section {
  background: #fff;
  padding: 16px;
  margin-bottom: 16px;
  border-radius: 4px;
}

section h2 {
  font-size: 15px;
  margin: 0 0 8px;
}

form label {
  display: block;
  margin-bottom: 10px;
  font-size: 13px;
}

form input,
form select,
form textarea {
  display: block;
  width: 100%;
  max-width: 400px;
  margin-top: 4px;
  padding: 6px;
  font-size: 14px;
  box-sizing: border-box;
}

form textarea {
  min-height: 60px;
}

.warning {
  color: #b00020;
  font-size: 13px;
  margin: 4px 0;
}

#record-status {
  margin-left: 8px;
  font-size: 13px;
  color: #666;
}