body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #f3f4f6;
  margin: 0;
  padding: 20px;
}

.app {
  max-width: 960px;
  margin: 0 auto;
  background: #ffffff;
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

h1 {
  margin-top: 0;
  margin-bottom: 16px;
}

h2 {
  margin-bottom: 12px;
}

.form-section,
.list-section {
  margin-top: 20px;
}

.field {
  display: flex;
  flex-direction: column;
  margin-bottom: 10px;
}

label {
  font-size: 0.9rem;
  margin-bottom: 4px;
}

input,
select,
button {
  padding: 8px;
  border-radius: 4px;
  border: 1px solid #d1d5db;
  font-size: 0.95rem;
}

button {
  background: #2563eb;
  color: white;
  border: none;
  cursor: pointer;
  margin-top: 8px;
}

button:hover {
  background: #1d4ed8;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}

th,
td {
  border: 1px solid #e5e7eb;
  padding: 8px;
  text-align: left;
  font-size: 0.9rem;
}

th {
  background: #f9fafb;
}

.message {
  font-size: 0.85rem;
  color: #059669;
  height: 1.2rem;
}