body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    margin: 0;
    padding: 20px;
    background: #f5f5f5;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

h1 {
    margin-top: 0;
    color: #333;
}

input[type="password"],
input[type="file"] {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

button {
    background: #007bff;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

button:hover {
    background: #0056b3;
}

.error {
    color: #dc3545;
    margin-top: 10px;
}

#upload-status {
    margin-top: 10px;
}

#download-url {
    margin-top: 15px;
    padding: 10px;
    background: #e9ecef;
    border-radius: 4px;
    word-break: break-all;
}

#upload-progress {
    margin-top: 15px;
}

.progress-bar {
    width: 100%;
    height: 30px;
    background: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: #007bff;
    transition: width 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

#progress-text {
    text-align: center;
    margin-top: 8px;
    font-weight: 500;
    color: #333;
}

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