body {
    font-family: Arial, sans-serif;
    background-color: #f2f6fc;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 40px auto;
    padding: 30px;
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

h2 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
}

form label {
    display: block;
    margin-top: 15px;
    font-weight: 500;
    color: #444;
}

form input[type="number"] {
    width: 100%;
    padding: 8px 10px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 14px;
}

form button {
    margin-top: 25px;
    background-color: #007BFF;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    width: 100%;
    transition: background-color 0.3s ease;
}

form button:hover {
    background-color: #0056b3;
}

input[type="file"] {
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

input[type="file"]:focus {
    border-color: #007BFF;
    outline: none;
}


/* Back button styling */
.back-btn {
    display: inline-block;
    margin-bottom: 20px;
    padding: 10px 18px;
    background: #6c757d;
    color: white;
    font-size: 15px;
    font-weight: 600;
    border-radius: 6px;
    text-decoration: none;
    transition: background 0.3s ease;
}

.back-btn:hover {
    background: #5a6268;
}

.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #cbd3da;
    border-radius: 8px;
    font-size: 16px;
    background-color: #fdfdfd;
    height: 40px;
    cursor: pointer;
    transition: all 0.25s ease-in-out;
}

.form-group select:focus {
    border-color: #007BFF;
    background: #ffffff;
    box-shadow: 0 0 8px rgba(0, 123, 255, 0.25);
    outline: none;
}