body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.notification-box {
    position: fixed;
    top: -60px;
    left: 0;
    width: 100%;
    background-color: #4CAF50;
    color: white;
    text-align: center;
    padding: 15px;
    font-weight: bold;
    font-size: 16px;
    transition: top 0.3s ease;
    z-index: 1000;
}

.notification-box.hidden {
    top: -60px;
}

.notification-box.visible {
    top: 0;
}

.board {
    display: block;
    padding: 20px;
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
}

.column {
    background-color: #f7f7f9;
    border-radius: 8px;
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.1);
    max-width: 100%;
    box-sizing: border-box;
    overflow-y: auto;
    max-height: 400px;
}

.column h2 {
    font-size: 18px;
    text-align: center;
    margin-bottom: 10px;
    color: #444;
}

.form-group label {
    font-weight: bold;
    margin-bottom: 5px;
}

.form-group input,
.form-group select,
button {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    width: 100%;
    box-sizing: border-box;
}

button {
    background-color: #4CAF50;
    color: white;
    font-weight: bold;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #45a049;
}