* {
            box-sizing: border-box;
        }

        body {
            font-family: Arial, sans-serif;
            background-color: #111111;
            color: white;
            margin: 0;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 25px;
        }

        .login-card {
            width: 100%;
            max-width: 420px;
            background-color: #222222;
            border-radius: 20px;
            padding: 32px;
        }

        h1 {
            text-align: center;
            margin-top: 0;
            margin-bottom: 8px;
        }

        .subtitle {
            color: #aaaaaa;
            text-align: center;
            margin-bottom: 30px;
        }

        label {
            display: block;
            color: #cccccc;
            margin-bottom: 7px;
            font-size: 15px;
        }

        input {
            width: 100%;
            background-color: #111111;
            color: white;
            border: 1px solid #555555;
            border-radius: 10px;
            padding: 13px;
            font-size: 17px;
            margin-bottom: 20px;
        }

        input:focus {
            outline: 2px solid #777777;
            border-color: #888888;
        }

        button {
            width: 100%;
            border: 0;
            border-radius: 10px;
            padding: 13px;
            font-size: 17px;
            font-weight: bold;
            cursor: pointer;
        }

        .error {
            background-color: #4a2020;
            border: 1px solid #7a3535;
            border-radius: 10px;
            padding: 12px;
            margin-bottom: 20px;
            color: #ffd6d6;
        }

        .setup {
            background-color: #39331d;
            border: 1px solid #766a2e;
            border-radius: 10px;
            padding: 12px;
            color: #fff0a6;
            line-height: 1.5;
        }

        code {
            display: block;
            margin-top: 8px;
            padding: 8px;
            background-color: #111111;
            border-radius: 6px;
            overflow-wrap: anywhere;
        }