body {
    font-family: 'Arial', sans-serif;
    background-color: #f3f4f6;
}
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}
.form-section {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}
.form-section h2 {
    font-size: 1.5rem;
    font-weight: bold;
    color: #1f2937;
    margin-bottom: 16px;
}
label {
    display: block;
    font-weight: 500;
    color: #374151;
    margin-bottom: 8px;
}
input, textarea, select {
    width: 100%;
    padding: 10px;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    margin-bottom: 16px;
    font-size: 1rem;
}
button {
    background-color: #2563eb;
    color: white;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
}
button:hover {
    background-color: #1d4ed8;
}
.error {
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: -12px;
    margin-bottom: 16px;
}
.hidden {
    display: none;
}