body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', sans-serif;
  padding: 0;
  margin: 0;
  background: #f9f9fb;
  color: #1c1c1e;
  font-size: 18px;
  line-height: 1.6;
  max-width: 640px;
  margin: auto;
}
header {
  background: #333;
  padding: 20px;
  text-align: center;
}
header h1 {
  color: white;
  margin: 0;
  font-size: 1.8rem;
}
.date {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 500;
  margin: 20px 0 10px;
}
h2, h3 {
  padding: 20px;
  margin: 0;
  font-size: 1.5rem;
}
form {
  background: white;
  padding: 20px;
  margin: 20px;
  border-radius: 14px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}
label {
  display: block;
  margin-top: 16px;
  font-weight: 600;
}
input, select {
  width: 100%;
  padding: 16px;
  margin-top: 8px;
  font-size: 1.2rem;
  border: 1px solid #ccc;
  border-radius: 12px;
  box-sizing: border-box;
}
button {
  width: 100%;
  padding: 16px;
  margin-top: 24px;
  background: #007AFF;
  color: white;
  font-size: 1.2rem;
  border: none;
  border-radius: 12px;
  font-weight: bold;
  cursor: pointer;
}
button:hover {
  background: #005FCC;
}
table {
  width: calc(100% - 40px);
  margin: 20px;
  background: white;
  border-collapse: collapse;
  border-radius: 14px;
  overflow: hidden;
  font-size: 1.1rem;
}
th, td {
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid #eee;
}
th {
  background-color: #f2f2f7;
  font-weight: 700;
}