body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

h1 {
    color: #2c3e50;
    text-align: center;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #34495e;
}

input[type="file"],
input[type="url"],
select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 16px;
}

input[type="url"]::placeholder {
    color: #999;
}

select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg fill="black" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/><path d="M0 0h24v24H0z" fill="none"/></svg>');
    background-repeat: no-repeat;
    background-position-x: 98%;
    background-position-y: 50%;
}

button {
    background-color: #3498db;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

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

.loading {
    display: none;
    text-align: center;
    margin-top: 20px;
    font-style: italic;
    color: #666;
}

#coverLetterResult {
    margin-top: 30px;
    white-space: pre-wrap;
    border: 1px solid #ddd;
    padding: 20px;
    border-radius: 4px;
    background-color: #f9f9f9;
    font-size: 14px;
    line-height: 1.6;
}

@media (max-width: 600px) {
    .container {
        padding: 20px;
    }

    input[type="file"],
    input[type="url"],
    select,
    button {
        font-size: 14px;
    }
}