:root {
            --bg-color: #0d0d0d;
            --text-color: #e0ffe0;
            --primary-color: #33ff77;
            --secondary-color: #222;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: sans-serif;
            background-color: var(--bg-color);
            color: var(--text-color);
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        header, footer {
            background-color: var(--secondary-color);
            padding: 20px;
            text-align: center;
        }

        main {
            flex: 1;
            padding: 40px 20px;
            text-align: center;
        }
        
            footer {
                text-align:center;
            background-color: var(--secondary-color);
            color: var(--text-color);
            text-align: left;
            padding: 10px;
            position: fixed;
            width: 100%;
            bottom: 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 20px;
        }

        footer p {
            margin: 0;
        }

        footer img {
            width: 100px;
            height: auto;
            margin-right:100px;
        }

        .button,button {
            padding: 0.4em 0.8em;
            background-color: #00ff99;
            color: #000;
            border: none;
            border-radius: 4px;
            margin: 0.3em;
            cursor: pointer;
            font-weight: bold;
            transition: background-color 0.2s ease-in-out;
        }

        .button,button:hover {
            background-color: #00cc77;
        }

        .btn-red{
            background-color: rgb(236, 12, 12);
        }

        .btn-red:hover{
            background-color: rgb(185, 13, 13);
        }

        .modal {
            display: none;
            position: fixed;
            z-index: 10;
            left: 0; top: 0;
            width: 100%; height: 100%;
            background: rgba(0, 0, 0, 0.8);
            justify-content: center;
            align-items: center;
        }

        .modal-content {
            background-color: var(--secondary-color);
            padding: 30px;
            border-radius: 8px;
            width: 90%;
            max-width: 400px;
        }

        .modal-content h2 {
            margin-top: 0;
            color: var(--primary-color);
        }

        .modal-content input {
            width: 100%;
            padding: 10px;
            margin: 10px 0;
            border: none;
            border-radius: 5px;
        }

        .modal-content button {
            width: 100%;
        }

        #login-message {
            margin-top: 10px;
            font-size: 0.9em;
        }