body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            margin: auto;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background: white;
            color: black;
            transition: background-color 0.3s, color 0.3s;
        }

        body.dark-mode {
            background-color: #121212;
            color: white;
        }

        .container {
            padding: 20px;
            width: min(1000px, 90%);
            display: flex;
            flex-direction: column;
            align-items: center;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
            background: rgba(255, 255, 255, 0.20);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(10px);
        }

        h2 {
            margin-bottom: 20px;
            font-size: 30px;
            color: white;
        }

        .main {
            width: 100%;
            display: flex;
            justify-content: space-between;
        }

        table {
            width: 80%;
			height: 50%;
            border-collapse: collapse;
			//border: solid, 1px, black;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            margin-right: 15px;
        }

        th, td {
            padding: 10px;
            text-align: center;
            color: white;
        }

        th {
            background-color: #575757;
            color: white;
        }

        td {
            background-color: grey;
        }

        tbody tr:nth-child(even) td {
            background-color: grey;
            color: white;
        }

        .summary {
            width: 30%;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

        .summary div {
            width: 100%;
            padding: 15px;
            background-color: #575757;
            color: #ffffff;
            margin-bottom: 15px;
			//border: solid, 1px, black;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .summary div span {
            font-weight: bold;
        }

        .timestamp {
            margin-top: 20px;
            display: flex;
            flex-wrap: wrap;
            width: 100%;
        }

        .timestamp div {
            margin-left: -10px;
            color: black;
        }

        .timestamp button {
            font-family: 'Segoe UI', Verdana, sans-serif;
            padding: 10px 20px;
			margin-right: 20px;
            font-size: 15px;
            background-color: #575757;
            color: white;
            border: solid, 1px, black;
            cursor: pointer;
			transition: all 0.2s;
        }

        .timestamp button:disabled {
            background-color: #999;
            cursor: not-allowed;
        }

        .timestamp button:hover:not(:disabled) {
            background-color: #878787;
			border: solid, 1px;
			transform: translateY(-3px);
        }

        .dropdown {
            width: 100%;
            padding: 5px;
            border: 1px solid #ddd;
            background-color: #FFFFFF;
            cursor: pointer;
        }

        .error-message {
			padding-top: 10px;
            color: red;
            display: none;
        }
        
        #bgPreview {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
        }
		
		.clock {
			position: absolute;
			top: 50%;
			left: 50%;
			transform: translateX(-50%) translateY(-50%);
			color: #ffffff;
			font-size: 60px;
			font-family: Orbitron;
			letter-spacing: 7px;
		}
		
		
		.footer {
			position: absolute;
			height: 28px;
			font-size: 10px;
			bottom: 5px;
			right: 5px;
			background-color: black;
			color: white;
			padding: 5px;
		}
		
		.navbar {
			display: flex;
			justify-content: center;
			align-items: center;
			padding: 0;
			position: fixed;
			width: 100%;
			top: 0;
			left: 0;
			z-index: 500;
		}

		nav {
			background-color: #333;
			padding: 10px;
		}

		nav ul {
			list-style: none;
			margin: 0;
			padding: 0;
			display: flex;
			justify-content: space-around;
		}

		nav ul li {
			margin: 0;
			padding: 0;
		}

		nav ul li a {
			color: white;
			text-decoration: none;
			padding: 0.5em 1em;
			display: block;
			transition: all 0.5s;
		}

		nav ul li a:hover {
			background-color: #575757;
			transform: translateY(-3px);
		}

		.page {
			padding: 2em;
			display: none;
		}
		
		/* Animation for underline */
		  nav ul li a::before {
			content: '';
			position: absolute;
			width: 100%;
			height: 3px;
			bottom: 0;
			left: 0;
			background-color: #fff;
			transform: scaleX(0);
			transition: transform 0.3s ease-in-out;
		  }

		  nav ul li a:hover::before {
			transform: scaleX(1);
		  }
		  
		  @keyframes slideIn {
		to {
		  transform: translateY(0);
		  opacity: 1;
		}