.esp-wa-card {
            background: #fff;
            padding: 25px;
            max-width: 750px;
            border: 1px solid #e1e1e1;
            border-radius: 8px;
            box-shadow: 0 2px 6px rgba(0,0,0,0.05);
            margin-top: 20px;
        }

        .esp-wa-field {
            margin-bottom: 20px;
        }

        .esp-wa-field label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .esp-wa-field input[type="text"],
        .esp-wa-field select,
        .esp-wa-field input[type="color"] {
            width: 100%;
            max-width: 400px;
            padding: 8px 10px;
            font-size: 14px;
        }

        .esp-wa-icons label {
            display: inline-block;
            margin-right: 15px;
        }

        .esp-wa-settings h1 {
            margin-bottom: 20px;
        }