#hackathon-eval-container {
    max-width: 700px;
    margin: 40px auto;
    background: #f9fafc;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    font-family: 'Segoe UI', sans-serif;
}
.question-block { margin-bottom: 20px; }
#buttons { margin-top: 20px; text-align: center; }
button {
    background-color: #004aad;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    margin: 5px;
    cursor: pointer;
}
button:hover { background-color: #003c8a; }
.success { color: green; font-weight: bold; }
.error { color: red; font-weight: bold; }