* { 
            margin: 0; 
            padding: 0; 
            box-sizing: border-box; 
            font-family: 'Arial Black', sans-serif; 
        }

        body {
            background-color: #121212;
            background-size: cover;
            background-position: center;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .caixa-login {
            background-color: #272424;
            color: white; 
            width: 100%;
            max-width: 400px;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 15px 35px #121212;
            text-align: center;
        }

        .logo-login {
            color: #ff6600;
            font-size: 1.8rem;
            font-weight: bold;
            margin-bottom: 30px;
            display: inline-block;
            text-decoration: none;
        }

        h2 {
            font-size: 1.2rem;
            color: #333;
            margin-bottom: 25px;
            text-transform: uppercase;
        }

        .input {
            text-align: left;
            margin-bottom: 15px;
        }

        .input label {
            font-size: 0.85rem;
            font-weight: bold;
            margin-bottom: 5px;
            display: block;
        }

        .input input {
            width: 100%;
            padding: 12px;
            border: 2px solid #eee;
            border-radius: 6px;
            outline: none;
        }

        .input input:focus {
            border-color: #ff6600;
        }

        .btn-login {
            width: 100%;
            background-color: #ff6600;
            color: white;
            border: none;
            padding: 14px;
            font-size: 1rem;
            font-weight: bold;
            border-radius: 6px;
            cursor: pointer;
            transition: 0.3s;
            margin-top: 10px;
        }

        .btn-login:hover {
            background-color: #e65c00;
        }

        .signup {
            margin-top: 20px;
            font-size: 0.9rem;
        }

        .signup a {
            color: #ff6600;
            font-weight: bold;
            cursor: pointer;
            text-decoration: none;
        }

        #msg {
            margin-top: 15px;
            font-size: 0.9rem;
        }