(function() { if (typeof window === 'undefined' || typeof window.btoa === 'undefined') return; if (window.btoa.__v0Patched) return; var nativeBtoa = window.btoa; function safeBtoaWrapper(input) { if (input == null) return ''; var str = String(input); if (str === '') return ''; try { return nativeBtoa(str); } catch (error) { try { var utf8Bytes = unescape(encodeURIComponent(str)); return nativeBtoa(utf8Bytes); } catch (error2) { var base64chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; var result = ''; var bytes = []; for (var i = 0; i < str.length; i++) { var code = str.charCodeAt(i); if (code < 128) { bytes.push(code); } else if (code < 2048) { bytes.push(192 | (code >> 6), 128 | (code & 63)); } else if (code < 65536) { bytes.push(224 | (code >> 12), 128 | ((code >> 6) & 63), 128 | (code & 63)); } else { bytes.push(240 | (code >> 18), 128 | ((code >> 12) & 63), 128 | ((code >> 6) & 63), 128 | (code & 63)); } } for (var i = 0; i < bytes.length; i += 3) { var b1 = bytes[i]; var b2 = i + 1 < bytes.length ? bytes[i + 1] : 0; var b3 = i + 2 < bytes.length ? bytes[i + 2] : 0; var enc1 = b1 >> 2; var enc2 = ((b1 & 3) << 4) | (b2 >> 4); var enc3 = ((b2 & 15) << 2) | (b3 >> 6); var enc4 = b3 & 63; if (i + 1 >= bytes.length) { enc3 = enc4 = 64; } else if (i + 2 >= bytes.length) { enc4 = 64; } result += base64chars.charAt(enc1) + base64chars.charAt(enc2); result += enc3 === 64 ? '=' : base64chars.charAt(enc3); result += enc4 === 64 ? '=' : base64chars.charAt(enc4); } return result; } } } safeBtoaWrapper.__v0Patched = true; window.btoa = safeBtoaWrapper; })();