body {
    font-family: Arial;
    background: #f1f5f9;
    padding: 40px;
}

.container {
    max-width: 900px;
    margin: auto;
    background: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

h1 {
    text-align: center;
    margin-bottom: 30px;
}

.question-box {
    background: #eef2ff;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
}

textarea {
    width: 100%;
    height: 250px;
    padding: 15px;
    border-radius: 12px;
    border: 1px solid #ccc;
    resize: none;
    font-size: 16px;
}

.stats {
    margin-top: 10px;
    margin-bottom: 20px;
    color: #555;
}

button {
    background: #2563eb;
    color: white;
    border: none;
    padding: 14px 24px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    opacity: 0.9;
}

#loading {
    display: none;
    margin-top: 20px;
    color: #2563eb;
    font-weight: bold;
}

.card {
    margin-top: 25px;
    background: #fafafa;
    padding: 20px;
    border-radius: 14px;
    border: 1px solid #ddd;
}

.card p {
    line-height: 1.7;
}

.error {
    margin-top: 20px;
    background: #fee2e2;
    color: #b91c1c;
    padding: 15px;
    border-radius: 10px;
}