body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: #f4f7f6;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    text-align: center;
    width: 90%;
    max-height: 90vh;
    max-width: 600px;
    margin: 20px auto;
    overflow-y: auto;
}

h1 {
    color: #2c3e50;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

#q-text {
    font-size: 1.1rem;
    color: #34495e;
    margin-bottom: 30px;
    min-height: 3em;
    display: block;
    align-items: center;
    justify-content: center;
}

.btn-group {
    display: flex;
    gap: 10px;
    justify-content: center;
}

button {
    padding: 12px 24px;
    font-size: 1rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: transform 0.1s;
}

.btn-yes {
    background-color: #27ae60;
    color: white;
}

.btn-no {
    background-color: #e74c3c;
    color: white;
}

button:active {
    transform: scale(0.95);
}

.progress-container {
    width: 100%;
    background-color: #ecf0f1;
    border-radius: 10px;
    margin-bottom: 5px;
    height: 10px;
    overflow: hidden;
}

#progress-bar {
    width: 0%;
    height: 100%;
    background-color: #27ae60;
    transition: width 0.4s ease-in-out;
}