body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', sans-serif;
    background-color: #f0f2f5;
    color: #333;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
}

.container {
    max-width: 450px; 
    width: 100%;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    background-color: #ffffff;
}

h1 {
    text-align: center;
    color: #007bff;
    margin-bottom: 25px;
    font-size: 1.8em;
}

.data-card {
    padding: 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 20px;
    min-height: 100px;
}

.data-item {
    margin: 10px 0;
    font-size: 1em;
    border-bottom: 1px dashed #eee;
    padding-bottom: 5px;
}

.data-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.data-item strong {
    color: #007bff;
}

.decision {
    font-size: 1.2em;
    font-weight: bold;
    color: #28a745;
    text-align: center;
    margin-top: 15px;
    padding: 10px 0;
    border-top: 2px solid #28a745;
}

.error {
    background-color: #ffdddd;
    color: #cc0000;
    padding: 10px;
    border-radius: 4px;
    text-align: center;
}

.loading {
    text-align: center;
    color: #6c757d;
}

footer {
    text-align: center;
    color: #6c757d;
    margin-top: 20px;
}