/* Body and Container */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

/* Header and Main */
header {
    background-color: #f8f8f8;
    padding: 10px 0;
    text-align: center;
    border-bottom: 1px solid #ddd;
}

header h1 {
    margin: 0;
    font-size: 24px;
}

main {
    flex: 1;
    padding: 20px 0;
}

form {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

input[type="text"] {
    width: 100%;
    padding: 10px;
    font-size: 16px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.checkboxes {
    margin-bottom: 10px;
}

.checkboxes label {
    display: block;
    margin-bottom: 5px;
}

button {
    padding: 10px 15px;
    font-size: 16px;
    color: #fff;
    background-color: #007bff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

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

#current-datetime {
    margin-top: 10px;
}

ul {
    list-style: none;
    padding: 0;
}

ul li {
    padding: 10px;
    border-bottom: 1px solid #ddd;
}

footer {
    text-align: center;
    padding: 10px 0;
    background-color: #f8f8f8;
    border-top: 1px solid #ddd;
    position: relative;
}

/* Update-Notification */
.update-notification {
    display: none;
    background-color: #4caf50;
    color: white;
    padding: 10px;
    text-align: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    font-size: 14px;
}

.update-notification.show {
    display: block;
    animation: fadeOut 7s forwards;
}

@keyframes fadeOut {
    0% { opacity: 1; }
    80% { opacity: 1; }
    100% { opacity: 0; }
}

/* Modal Overlay */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    justify-content: center;
    align-items: center;
}

/* Modal Content */
.modal-content {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    max-width: 500px;
    width: 80%;
    text-align: left;
    position: relative;
}

/* Close Button (X) */
.close {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 24px;
    cursor: pointer;
}

/* Show the modal */
.modal.show {
    display: flex;
}