body {
    margin: 0;
    padding: 0;

    font-family: Arial, sans-serif;

    background: #f2f2f2;
}

.app {
    width: 90%;
    max-width: 500px;

    margin: 50px auto;

    padding: 24px;

    background: white;

    border-radius: 20px;
}

#fileInput {
    display: none;
}

#fileInfo {
    margin-top: 20px;
    padding: 15px;

    background: #f5f5f5;

    border-radius: 12px;

    font-size: 14px;
}

.hidden {
    display: none;
}

.page {
    min-height: 100vh;
}

input {
    width: 100%;
    box-sizing: border-box;

    padding: 14px;

    margin-top: 12px;

    border: 1px solid #dddddd;

    border-radius: 12px;

    font-size: 16px;
}

#loginButton {
    margin-top: 20px;
}

#loginMessage {
    margin-top: 15px;
    font-size: 14px;
}

#fileInput {
    display: none;
}

#fileList {
    margin-top: 25px;
}

.file-item {
    padding: 15px;
    margin-top: 10px;

    background: #f5f5f5;

    border-radius: 12px;
}

.file-name {
    font-size: 16px;
    font-weight: bold;
}

.file-details {
    margin-top: 6px;

    font-size: 13px;

    color: #666666;
}

#serverStatus {
    margin-top: 20px;
    padding: 12px;

    border-radius: 12px;

    background: #f5f5f5;

    font-size: 14px;
}

.test-api {
    margin-top: 30px;
    padding-top: 20px;

    border-top: 1px solid #dddddd;
}

#serverResponse {
    margin-top: 15px;

    padding: 12px;

    background: #f5f5f5;

    border-radius: 12px;

    font-size: 14px;
}

#apiTestResult {
    margin-top: 20px;
    padding: 12px;

    border-radius: 12px;

    background: #f5f5f5;
}