* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  background: #f5f5f5;
  color: #333;
  padding: 16px;
  min-height: 100vh;
}

.container {
  max-width: 480px;
  margin: 0 auto;
}

h1 {
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: 20px;
  color: #222;
}

.alert {
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 0.95rem;
  text-align: center;
}

.alert-success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.alert-error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

form {
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  margin-top: 16px;
  font-size: 0.95rem;
}

label:first-of-type {
  margin-top: 0;
}

select,
input[type="text"],
input[type="number"],
input[type="date"] {
  width: 100%;
  padding: 12px;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  background: #fafafa;
  transition: border-color 0.2s;
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
}

.date-display {
  width: 100%;
  padding: 12px;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  background: #e9ecef;
  box-sizing: border-box;
  color: #555;
}

select:focus,
input:focus {
  outline: none;
  border-color: #007bff;
  background: #fff;
}

button {
  width: 100%;
  padding: 14px;
  margin-top: 24px;
  background: #007bff;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
}

button:hover {
  background: #0056b3;
}

button:active {
  background: #004080;
}