body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f7f6;
    margin: 0;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h1 {
    text-align: center;
    color: #2c3e50;
}

.login-form, .ftp-content {
    margin-top: 20px;
}

.form-group {
    margin-bottom: 15px;
}

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

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

button {
    background-color: #3498db;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

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

.error {
    color: #e74c3c;
    background: #fdeaea;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
}

.header-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.btn-logout {
    background-color: #e74c3c;
}

.btn-logout:hover {
    background-color: #c0392b;
}

.upload-section {
    background: #f9f9f9;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    text-align: left;
    padding: 12px;
    border-bottom: 1px solid #eee;
}

th {
    background-color: #f8f9fa;
}

.btn-download {
    display: inline-block;
    padding: 5px 10px;
    background-color: #2ecc71;
    color: white;
    text-decoration: none;
    border-radius: 3px;
    font-size: 14px;
}

.btn-download:hover {
    background-color: #27ae60;
}