* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: Arial, Helvetica, sans-serif;
            background-color: #000000;
            color: #ffffff;
            min-height: 100vh;
            padding: 20px;
        }

        .container {
            max-width: 1000px;
            margin: 0 auto;
        }

        header {
            text-align: center;
            margin-bottom: 40px;
        }

        h1 {
            font-size: 25px;
            font-weight: 700;
            letter-spacing: 3px;
        }

        /* Área principal em flex */
        .main-flex {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: center;
            align-items: flex-start;
        }

        /* Painel - Posição Atual */
        .painel-posicao {
            background-color: #111111;
            border: 3px solid #ffffff;
            border-radius: 8px;
            padding: 20px;
            width: 300px;
            text-align: center;
        }

        .painel-posicao h2 {
            font-size: 16px;
            margin-bottom: 15px;
            letter-spacing: 2px;
        }

        .display-andar {
            font-size: 50px;
            font-weight: 900;
            font-family: 'Courier New', Courier, monospace;
            background-color: #000000;
            border: 4px solid #ffffff;
            padding-bottom: 10px;
            padding-top: 10px;
        }

        /* Container dos Andares */
        .caixa-andares {
            background-color: #111111;
            border: 3px solid #ffffff;
            border-radius: 2px;
            padding: 25px;
            width: 400px;
        }

        .caixa-andares h2 {
            text-align: center;
            font-size: 20px;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .andares {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .andar {
            width: 135px;
            padding: 8px 10px;
            background-color: #1a1a1a;
            border: 2px solid #555555;
            text-align: center;
            font-size: 14px;
            margin-bottom:5px ;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .andar:hover {
            border-color: #ffffff;
            background-color: #222222;
        }

        .andar.selecionado {
            background-color: #ffffff;
            color: #000000;
            border-color: #ffffff;
        }

        .andar.ativo {
            background-color: #ffffff;
            color: #000000;
            border-color: #ffffff;
            box-shadow: 0 0 0 5px #666666;
        }

        /* Controles manuais */
        .controles {
            display: flex;
            justify-content: center;
            gap: 25px;
            margin: 50px 0 30px;
        }

        .controles button {
            padding: 7px 30px;
            font-size: 14px;
            font-weight: 700;
            background-color: #000000;
            color: #ffffff;
            border: 3px solid #ffffff;
            cursor: pointer;
            min-width: 170px;
        }

        .controles button:hover {
            background-color: #ffffff;
            color: #000000;
        }

        /* Estado atual */
        .estado {
            background-color: #111111;
            border: 2px solid #555555;
            padding: 10px;
            text-align: center;
            font-size: 14px;
            font-weight: 600;
            max-width: 600px;
            margin: 0 auto;
        }