body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}
* {
    box-sizing: border-box;
}
.container {
    background-color: #fff;
    border-radius: 8px;
    padding: 20px;
    max-width: 400px;
    width: 100%;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}
h1 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
}
.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
}
label {
    font-weight: bold;
    margin-bottom: 5px;
    color: #444;
}
select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}
select:focus {
    border-color: #4CAF50;
    outline: none;
    box-shadow: 0 0 5px rgba(76, 175, 80, 0.5);
}
.button-row {
    display: flex;
    gap: 10px;
    margin: 10px 0 20px;
}
.button-row button {
    flex: 1;
}
button {
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    transition: background-color 0.2s ease;
}
button:hover {
    background-color: #45a049;
}
button.delete-btn {
    background-color: #f44336;
}
button.delete-btn:hover {
    background-color: #d32f2f;
}
.main-btn {
    width: 100%;
    font-size: 16px;
}