body {
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(to bottom right, #f5f7fa, #c3cfe2);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    background-color: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    max-width: 500px;
    width: 100%;
}

h1 {
    text-align: center;
    color: #34495e;
}

label {
    font-weight: bold;
    color: #2c3e50;
}

select, input {
    width: 100%;
    padding: 10px;
    margin-top: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid #bdc3c7;
    border-radius: 8px;
    font-size: 16px;
}

button {
    background-color: #3498db;
    color: white;
    padding: 10px 20px;
    font-size: 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 1rem;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #2980b9;
}

.hidden {
    display: none;
}

#question {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: bold;
    color: #2d3436;
}

#feedback {
    margin-top: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
}

#feedback.correct {
    color: #27ae60;
}

#feedback.incorrect {
    color: #e74c3c;
}

#progress, #time, #result-summary {
    margin-top: 1rem;
    font-size: 0.95rem;
    color: #7f8c8d;
    text-align: center;
}
#stats {
    margin-top: 1rem;
    padding: 1rem;
    background-color: #ecf0f1;
    border-radius: 8px;
    font-size: 15px;
    line-height: 1.6;
  }
  #stats p {
    margin: 0.2rem 0;
  }