body {
    font-family: Arial, sans-serif;
    background-color: #f0f2f5;
    margin: 0;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #1a73e8;
}

p {
    text-align: center;
    color: #666;
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

label {
    font-weight: bold;
    margin-bottom: 5px;
}

input, textarea {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
}

textarea {
    resize: vertical;
    min-height: 100px;
}

button {
    padding: 10px;
    background-color: #1a73e8;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

button:hover:not(:disabled) {
    background-color: #1557b0;
}

.progress, .result {
    margin-top: 20px;
    padding: 15px;
    background: #f9f9f9;
    border-radius: 5px;
}

@media (max-width: 600px) {
    .container {
        padding: 15px;
    }
    input, textarea, button {
        font-size: 14px;
    }
}