body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    margin: 0;
    padding: 0;
    color: #333;
}

.container {
    max-width: 600px;
    margin: 30px auto;
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #2196F3;
    margin-bottom: 30px;
}

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

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

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

button {
    background-color: #2196F3;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
    font-weight: bold;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #0b7dda;
}

#status {
    margin-top: 20px;
    padding: 10px;
    border-radius: 4px;
    text-align: center;
}

.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.progress-container {
    margin-top: 20px;
    background-color: #f0f0f0;
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 30px;
    background-color: #4CAF50;
    text-align: center;
    line-height: 30px;
    color: white;
    width: 0%;
    transition: width 0.3s;
}

@media (max-width: 650px) {
    .container {
        margin: 15px;
        padding: 20px;
    }
}