.container { 
    background-color: #fff; 
    padding: 30px; 
    border-radius: 8px; 
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); 
    max-width: 600px; 
    margin: auto; 
}
        
label { 
    display: block; 
    margin-bottom: 8px; 
    font-weight: bold; 
}

input[type="text"], input[type="number"], input[type="password"], input[type="file"], textarea, select {
    width: calc(100% - 22px); 
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
}
input[type="submit"] {
    background-color: #4CAF50;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}
input[type="submit"]:hover {
    background-color: #45a049;
}
.message {
    margin-top: 20px;
    padding: 10px;
    border-radius: 4px;
}

.success { background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.error { background-color: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }