diff --git a/package-lock.json b/package-lock.json
index d180351..dd022c9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
         "@testing-library/user-event": "^14.5.2",
         "chroma-js": "^2.4.2",
         "pdf-lib": "^1.17.1",
-        "react": "^18.3.1",
+        "react": "^19.0.0",
         "react-dom": "^18.3.1",
         "react-github-calendar": "^4.3.0",
         "react-icons": "^5.3.0",
@@ -29,7 +29,7 @@
         "web-vitals": "^2.1.4"
       },
       "devDependencies": {
-        "@types/react": "^18.3.3",
+        "@types/react": "^19.0.7",
         "@types/react-dom": "^18.3.0",
         "gh-pages": "^6.1.1"
       }
@@ -3723,6 +3723,7 @@
       "version": "3.12.0",
       "resolved": "https://registry.npmjs.org/@react-pdf-viewer/attachment/-/attachment-3.12.0.tgz",
       "integrity": "sha512-mhwrYJSIpCvHdERpLUotqhMgSjhtF+BTY1Yb9Fnzpcq3gLZP+Twp5Rynq21tCrVdDizPaVY7SKu400GkgdMfZw==",
+      "license": "https://react-pdf-viewer.dev/license",
       "dependencies": {
         "@react-pdf-viewer/core": "3.12.0"
       },
@@ -3735,6 +3736,7 @@
       "version": "3.12.0",
       "resolved": "https://registry.npmjs.org/@react-pdf-viewer/bookmark/-/bookmark-3.12.0.tgz",
       "integrity": "sha512-i7nEit8vIFMAES8RFGwprZ9cXOOZb9ZStPW6E6yuObJEXcvBj/ctsbBJGZxqUZOGklM0JoB7sjHyxAriHfe92A==",
+      "license": "https://react-pdf-viewer.dev/license",
       "dependencies": {
         "@react-pdf-viewer/core": "3.12.0"
       },
@@ -3747,6 +3749,7 @@
       "version": "3.12.0",
       "resolved": "https://registry.npmjs.org/@react-pdf-viewer/core/-/core-3.12.0.tgz",
       "integrity": "sha512-8MsdlQJ4jaw3GT+zpCHS33nwnvzpY0ED6DEahZg9WngG++A5RMhk8LSlxdHelwaFFHFiXBjmOaj2Kpxh50VQRg==",
+      "license": "https://react-pdf-viewer.dev/license",
       "peerDependencies": {
         "pdfjs-dist": "^2.16.105 || ^3.0.279",
         "react": ">=16.8.0",
@@ -3773,6 +3776,7 @@
       "version": "3.12.0",
       "resolved": "https://registry.npmjs.org/@react-pdf-viewer/full-screen/-/full-screen-3.12.0.tgz",
       "integrity": "sha512-hQouJ26QUaRBCXNMU1aI1zpJn4l4PJRvlHhuE2dZYtLl37ycjl7vBCQYZW1FwnuxMWztZsY47R43DKaZORg0pg==",
+      "license": "https://react-pdf-viewer.dev/license",
       "dependencies": {
         "@react-pdf-viewer/core": "3.12.0"
       },
@@ -3785,6 +3789,7 @@
       "version": "3.12.0",
       "resolved": "https://registry.npmjs.org/@react-pdf-viewer/get-file/-/get-file-3.12.0.tgz",
       "integrity": "sha512-Uhq45n2RWlZ7Ec/BtBJ0WQESRciaYIltveDXHNdWvXgFdOS8XsvB+mnTh/wzm7Cfl9hpPyzfeezifdU9AkQgQg==",
+      "license": "https://react-pdf-viewer.dev/license",
       "dependencies": {
         "@react-pdf-viewer/core": "3.12.0"
       },
@@ -3797,6 +3802,7 @@
       "version": "3.12.0",
       "resolved": "https://registry.npmjs.org/@react-pdf-viewer/open/-/open-3.12.0.tgz",
       "integrity": "sha512-vhiDEYsiQLxvZkIKT9VPYHZ1BOnv46x9eCEmRWxO1DJ8fa/GRDTA9ivXmq/ap0dGEJs6t+epleCkCEfllLR/Yw==",
+      "license": "https://react-pdf-viewer.dev/license",
       "dependencies": {
         "@react-pdf-viewer/core": "3.12.0"
       },
@@ -3809,6 +3815,7 @@
       "version": "3.12.0",
       "resolved": "https://registry.npmjs.org/@react-pdf-viewer/page-navigation/-/page-navigation-3.12.0.tgz",
       "integrity": "sha512-tVEJ48Dd5kajV1nKkrPWijglJRNBiKBTyYDKVexhiRdTHUP1f6QQXiSyDgCUb0IGSZeJzOJb1h7ApKHe8OTtuw==",
+      "license": "https://react-pdf-viewer.dev/license",
       "dependencies": {
         "@react-pdf-viewer/core": "3.12.0"
       },
@@ -3821,6 +3828,7 @@
       "version": "3.12.0",
       "resolved": "https://registry.npmjs.org/@react-pdf-viewer/print/-/print-3.12.0.tgz",
       "integrity": "sha512-xJn76CgbU/M2iNaN7wLHTg+sdOekkRMfCakFLwPrE+SR7qD6NUF4vQQKJBSVCCK5bUijzb6cWfKGfo8VA72o4Q==",
+      "license": "https://react-pdf-viewer.dev/license",
       "dependencies": {
         "@react-pdf-viewer/core": "3.12.0"
       },
@@ -3833,6 +3841,7 @@
       "version": "3.12.0",
       "resolved": "https://registry.npmjs.org/@react-pdf-viewer/properties/-/properties-3.12.0.tgz",
       "integrity": "sha512-dYTCHtVwFNkpDo7QxL2qk/8zAKndLwdD1FFxBftl6jIlQbtvNdxkFfkv1HcQING9Ic+7DBryOiD7W0ze4IERYg==",
+      "license": "https://react-pdf-viewer.dev/license",
       "dependencies": {
         "@react-pdf-viewer/core": "3.12.0"
       },
@@ -3845,6 +3854,7 @@
       "version": "3.12.0",
       "resolved": "https://registry.npmjs.org/@react-pdf-viewer/rotate/-/rotate-3.12.0.tgz",
       "integrity": "sha512-yaxaMYPChvNOjR8+AxRmj0kvojyJKPq4XHEcIB2lJJgBY1Zra3mliDUP3Nlb4yV8BS9+yBqWn9U9mtnopQD+tw==",
+      "license": "https://react-pdf-viewer.dev/license",
       "dependencies": {
         "@react-pdf-viewer/core": "3.12.0"
       },
@@ -3857,6 +3867,7 @@
       "version": "3.12.0",
       "resolved": "https://registry.npmjs.org/@react-pdf-viewer/scroll-mode/-/scroll-mode-3.12.0.tgz",
       "integrity": "sha512-okII7Xqhl6cMvl1izdEvlXNJ+vJVq/qdg53hJIDYVgBCWskLk/cpjUg/ZonBxseG9lIDP3w2VO1McT8Gn11OAg==",
+      "license": "https://react-pdf-viewer.dev/license",
       "dependencies": {
         "@react-pdf-viewer/core": "3.12.0"
       },
@@ -3869,6 +3880,7 @@
       "version": "3.12.0",
       "resolved": "https://registry.npmjs.org/@react-pdf-viewer/search/-/search-3.12.0.tgz",
       "integrity": "sha512-jAkLpis49fsDDY/HrbUZIOIhzF5vynONQNA4INQKI38r/MjveblrkNv7qbr9j5lQ/WFic5+gD1e+Mtpf1/7DiA==",
+      "license": "https://react-pdf-viewer.dev/license",
       "dependencies": {
         "@react-pdf-viewer/core": "3.12.0"
       },
@@ -3881,6 +3893,7 @@
       "version": "3.12.0",
       "resolved": "https://registry.npmjs.org/@react-pdf-viewer/selection-mode/-/selection-mode-3.12.0.tgz",
       "integrity": "sha512-yysWEu2aCtBvzSgbhgI9kT5cq2hf0FU6Z+3B7MMXz14Kxyc3y18wUqxtgbvpFEfWF0bNUUq16JtWRljtxvZ83w==",
+      "license": "https://react-pdf-viewer.dev/license",
       "dependencies": {
         "@react-pdf-viewer/core": "3.12.0"
       },
@@ -3893,6 +3906,7 @@
       "version": "3.12.0",
       "resolved": "https://registry.npmjs.org/@react-pdf-viewer/theme/-/theme-3.12.0.tgz",
       "integrity": "sha512-cdBi+wR1VOZ6URCcO9plmAZQu4ZGFcd7HJdBe7VIFiGyrvl9I/Of74ONLycnDImSuONt8D3uNjPBLieeaShVeg==",
+      "license": "https://react-pdf-viewer.dev/license",
       "dependencies": {
         "@react-pdf-viewer/core": "3.12.0"
       },
@@ -3905,6 +3919,7 @@
       "version": "3.12.0",
       "resolved": "https://registry.npmjs.org/@react-pdf-viewer/thumbnail/-/thumbnail-3.12.0.tgz",
       "integrity": "sha512-Vc8j3bO6wumWZV4o6pAbktPWKDSC9tQAzOCJ3cof541u4i44C11ccYC4W9aNcsMMUSO3bNwAGWtP8OFthV5akQ==",
+      "license": "https://react-pdf-viewer.dev/license",
       "dependencies": {
         "@react-pdf-viewer/core": "3.12.0"
       },
@@ -3917,6 +3932,7 @@
       "version": "3.12.0",
       "resolved": "https://registry.npmjs.org/@react-pdf-viewer/toolbar/-/toolbar-3.12.0.tgz",
       "integrity": "sha512-qACTU3qXHgtNK8J+T13EWio+0liilj86SJ87BdapqXynhl720OKPlSKOQqskUGqg3oTUJAhrse9XG6SFdHJx+g==",
+      "license": "https://react-pdf-viewer.dev/license",
       "dependencies": {
         "@react-pdf-viewer/core": "3.12.0",
         "@react-pdf-viewer/full-screen": "3.12.0",
@@ -3941,6 +3957,7 @@
       "version": "3.12.0",
       "resolved": "https://registry.npmjs.org/@react-pdf-viewer/zoom/-/zoom-3.12.0.tgz",
       "integrity": "sha512-V0GUTyPM77+LzhoKX+T3XI10/HfGdqRTbgeP7ID60FCzcwu6kXWqJn5tzabjDKLTlFv8mJmn0aa/ppkIU97nfA==",
+      "license": "https://react-pdf-viewer.dev/license",
       "dependencies": {
         "@react-pdf-viewer/core": "3.12.0"
       },
@@ -4439,11 +4456,6 @@
         "@types/node": "*"
       }
     },
-    "node_modules/@types/chroma-js": {
-      "version": "2.4.4",
-      "resolved": "https://registry.npmjs.org/@types/chroma-js/-/chroma-js-2.4.4.tgz",
-      "integrity": "sha512-/DTccpHTaKomqussrn+ciEvfW4k6NAHzNzs/sts1TCqg333qNxOhy8TNIoQCmbGG3Tl8KdEhkGAssb1n3mTXiQ=="
-    },
     "node_modules/@types/connect": {
       "version": "3.4.38",
       "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.38.tgz",
@@ -4594,12 +4606,6 @@
       "resolved": "https://registry.npmjs.org/@types/prettier/-/prettier-2.7.3.tgz",
       "integrity": "sha512-+68kP9yzs4LMp7VNh8gdzMSPZFL44MLGqiHWvttYJe+6qnuVr4Ek9wSBQoveqY/r+LwjCcU29kNVkidwim+kYA=="
     },
-    "node_modules/@types/prop-types": {
-      "version": "15.7.12",
-      "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.12.tgz",
-      "integrity": "sha512-5zvhXYtRNRluoE/jAp4GVsSduVUzNWKkOZrCDBWYtE7biZywwdC2AcEzg+cSMLFRfVgeAFqpfNabiPjxFddV1Q==",
-      "devOptional": true
-    },
     "node_modules/@types/q": {
       "version": "1.5.8",
       "resolved": "https://registry.npmjs.org/@types/q/-/q-1.5.8.tgz",
@@ -4616,12 +4622,12 @@
       "integrity": "sha512-hKormJbkJqzQGhziax5PItDUTMAM9uE2XXQmM37dyd4hVM+5aVl7oVxMVUiVQn2oCQFN/LKCZdvSM0pFRqbSmQ=="
     },
     "node_modules/@types/react": {
-      "version": "18.3.3",
-      "resolved": "https://registry.npmjs.org/@types/react/-/react-18.3.3.tgz",
-      "integrity": "sha512-hti/R0pS0q1/xx+TsI73XIqk26eBsISZ2R0wUijXIngRK9R/e7Xw/cXVxQK7R5JjW+SV4zGcn5hXjudkN/pLIw==",
+      "version": "19.0.7",
+      "resolved": "https://registry.npmjs.org/@types/react/-/react-19.0.7.tgz",
+      "integrity": "sha512-MoFsEJKkAtZCrC1r6CM8U22GzhG7u2Wir8ons/aCKH6MBdD1ibV24zOSSkdZVUKqN5i396zG5VKLYZ3yaUZdLA==",
       "devOptional": true,
+      "license": "MIT",
       "dependencies": {
-        "@types/prop-types": "*",
         "csstype": "^3.0.2"
       }
     },
@@ -7225,9 +7231,10 @@
       }
     },
     "node_modules/date-fns": {
-      "version": "3.6.0",
-      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-3.6.0.tgz",
-      "integrity": "sha512-fRHTG8g/Gif+kSh50gaGEdToemgfj74aRX3swtiouboip5JDLAyDE9F11nHMIcvOaXeOC6D7SpNhi7uFyB7Uww==",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-4.1.0.tgz",
+      "integrity": "sha512-Ukq0owbQXxa/U3EGtsdVBkR1w7KOQ5gIBqdH2hkvknzZPYvBxb/aa6E8L7tmjFtkwZBu3UXBbjIgPo/Ez4xaNg==",
+      "license": "MIT",
       "funding": {
         "type": "github",
         "url": "https://github.com/sponsors/kossnocorp"
@@ -13566,6 +13573,7 @@
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/path2d-polyfill/-/path2d-polyfill-2.0.1.tgz",
       "integrity": "sha512-ad/3bsalbbWhmBo0D6FZ4RNMwsLsPpL6gnvhuSaU5Vm7b06Kr5ubSltQQ0T7YKsiJQO+g22zJ4dJKNTXIyOXtA==",
+      "license": "MIT",
       "optional": true,
       "peer": true,
       "engines": {
@@ -13587,6 +13595,7 @@
       "version": "3.11.174",
       "resolved": "https://registry.npmjs.org/pdfjs-dist/-/pdfjs-dist-3.11.174.tgz",
       "integrity": "sha512-TdTZPf1trZ8/UFu5Cx/GXB7GZM30LT+wWUNfsi6Bq8ePLnb+woNKtDymI2mxZYBpMbonNFqKmiz684DIfnd8dA==",
+      "license": "Apache-2.0",
       "peer": true,
       "engines": {
         "node": ">=18"
@@ -15173,28 +15182,24 @@
       }
     },
     "node_modules/react": {
-      "version": "18.3.1",
-      "resolved": "https://registry.npmjs.org/react/-/react-18.3.1.tgz",
-      "integrity": "sha512-wS+hAgJShR0KhEvPJArfuPVN1+Hz1t0Y6n5jLrGQbkb4urgPE/0Rve+1kMB1v/oWgHgm4WIcV+i7F2pTVj+2iQ==",
-      "dependencies": {
-        "loose-envify": "^1.1.0"
-      },
+      "version": "19.0.0",
+      "resolved": "https://registry.npmjs.org/react/-/react-19.0.0.tgz",
+      "integrity": "sha512-V8AVnmPIICiWpGfm6GLzCR/W5FXLchHop40W4nXBmdlEceh16rCN8O8LNWm5bh5XUX91fh7KpA+W0TgMKmgTpQ==",
+      "license": "MIT",
       "engines": {
         "node": ">=0.10.0"
       }
     },
     "node_modules/react-activity-calendar": {
-      "version": "2.5.1",
-      "resolved": "https://registry.npmjs.org/react-activity-calendar/-/react-activity-calendar-2.5.1.tgz",
-      "integrity": "sha512-O+5d8XHaxeaBnohCC5o69w3DO1VAwZuLK96bwwUmvtOMi/LBQ3SIHRMg0fBHZzo+5cofxqXkPEnikZkrZHAk1A==",
+      "version": "2.7.7",
+      "resolved": "https://registry.npmjs.org/react-activity-calendar/-/react-activity-calendar-2.7.7.tgz",
+      "integrity": "sha512-qCCADV8f5RWawTwBl+qTjslP5vnFkFuyU8R6uWzu/iZz1B5D4ODyUctG6g6VRWVlBqrPdc7d0H1tg11qz+qsmg==",
+      "license": "MIT",
       "dependencies": {
-        "@types/chroma-js": "^2.4.3",
-        "chroma-js": "^2.4.2",
-        "date-fns": "^3.6.0"
+        "date-fns": "^4.1.0"
       },
       "peerDependencies": {
-        "react": "^18.0.0",
-        "react-dom": "^18.0.0"
+        "react": "^18.0.0 || ^19.0.0"
       }
     },
     "node_modules/react-app-polyfill": {
@@ -21948,11 +21953,6 @@
         "@types/node": "*"
       }
     },
-    "@types/chroma-js": {
-      "version": "2.4.4",
-      "resolved": "https://registry.npmjs.org/@types/chroma-js/-/chroma-js-2.4.4.tgz",
-      "integrity": "sha512-/DTccpHTaKomqussrn+ciEvfW4k6NAHzNzs/sts1TCqg333qNxOhy8TNIoQCmbGG3Tl8KdEhkGAssb1n3mTXiQ=="
-    },
     "@types/connect": {
       "version": "3.4.38",
       "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.38.tgz",
@@ -22103,12 +22103,6 @@
       "resolved": "https://registry.npmjs.org/@types/prettier/-/prettier-2.7.3.tgz",
       "integrity": "sha512-+68kP9yzs4LMp7VNh8gdzMSPZFL44MLGqiHWvttYJe+6qnuVr4Ek9wSBQoveqY/r+LwjCcU29kNVkidwim+kYA=="
     },
-    "@types/prop-types": {
-      "version": "15.7.12",
-      "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.12.tgz",
-      "integrity": "sha512-5zvhXYtRNRluoE/jAp4GVsSduVUzNWKkOZrCDBWYtE7biZywwdC2AcEzg+cSMLFRfVgeAFqpfNabiPjxFddV1Q==",
-      "devOptional": true
-    },
     "@types/q": {
       "version": "1.5.8",
       "resolved": "https://registry.npmjs.org/@types/q/-/q-1.5.8.tgz",
@@ -22125,12 +22119,11 @@
       "integrity": "sha512-hKormJbkJqzQGhziax5PItDUTMAM9uE2XXQmM37dyd4hVM+5aVl7oVxMVUiVQn2oCQFN/LKCZdvSM0pFRqbSmQ=="
     },
     "@types/react": {
-      "version": "18.3.3",
-      "resolved": "https://registry.npmjs.org/@types/react/-/react-18.3.3.tgz",
-      "integrity": "sha512-hti/R0pS0q1/xx+TsI73XIqk26eBsISZ2R0wUijXIngRK9R/e7Xw/cXVxQK7R5JjW+SV4zGcn5hXjudkN/pLIw==",
+      "version": "19.0.7",
+      "resolved": "https://registry.npmjs.org/@types/react/-/react-19.0.7.tgz",
+      "integrity": "sha512-MoFsEJKkAtZCrC1r6CM8U22GzhG7u2Wir8ons/aCKH6MBdD1ibV24zOSSkdZVUKqN5i396zG5VKLYZ3yaUZdLA==",
       "devOptional": true,
       "requires": {
-        "@types/prop-types": "*",
         "csstype": "^3.0.2"
       }
     },
@@ -24016,9 +24009,9 @@
       }
     },
     "date-fns": {
-      "version": "3.6.0",
-      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-3.6.0.tgz",
-      "integrity": "sha512-fRHTG8g/Gif+kSh50gaGEdToemgfj74aRX3swtiouboip5JDLAyDE9F11nHMIcvOaXeOC6D7SpNhi7uFyB7Uww=="
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-4.1.0.tgz",
+      "integrity": "sha512-Ukq0owbQXxa/U3EGtsdVBkR1w7KOQ5gIBqdH2hkvknzZPYvBxb/aa6E8L7tmjFtkwZBu3UXBbjIgPo/Ez4xaNg=="
     },
     "debug": {
       "version": "4.3.6",
@@ -29699,21 +29692,16 @@
       }
     },
     "react": {
-      "version": "18.3.1",
-      "resolved": "https://registry.npmjs.org/react/-/react-18.3.1.tgz",
-      "integrity": "sha512-wS+hAgJShR0KhEvPJArfuPVN1+Hz1t0Y6n5jLrGQbkb4urgPE/0Rve+1kMB1v/oWgHgm4WIcV+i7F2pTVj+2iQ==",
-      "requires": {
-        "loose-envify": "^1.1.0"
-      }
+      "version": "19.0.0",
+      "resolved": "https://registry.npmjs.org/react/-/react-19.0.0.tgz",
+      "integrity": "sha512-V8AVnmPIICiWpGfm6GLzCR/W5FXLchHop40W4nXBmdlEceh16rCN8O8LNWm5bh5XUX91fh7KpA+W0TgMKmgTpQ=="
     },
     "react-activity-calendar": {
-      "version": "2.5.1",
-      "resolved": "https://registry.npmjs.org/react-activity-calendar/-/react-activity-calendar-2.5.1.tgz",
-      "integrity": "sha512-O+5d8XHaxeaBnohCC5o69w3DO1VAwZuLK96bwwUmvtOMi/LBQ3SIHRMg0fBHZzo+5cofxqXkPEnikZkrZHAk1A==",
+      "version": "2.7.7",
+      "resolved": "https://registry.npmjs.org/react-activity-calendar/-/react-activity-calendar-2.7.7.tgz",
+      "integrity": "sha512-qCCADV8f5RWawTwBl+qTjslP5vnFkFuyU8R6uWzu/iZz1B5D4ODyUctG6g6VRWVlBqrPdc7d0H1tg11qz+qsmg==",
       "requires": {
-        "@types/chroma-js": "^2.4.3",
-        "chroma-js": "^2.4.2",
-        "date-fns": "^3.6.0"
+        "date-fns": "^4.1.0"
       }
     },
     "react-app-polyfill": {
diff --git a/package.json b/package.json
index a9488af..585c98f 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "@testing-library/user-event": "^14.5.2",
     "chroma-js": "^2.4.2",
     "pdf-lib": "^1.17.1",
-    "react": "^18.3.1",
+    "react": "^19.0.0",
     "react-dom": "^18.3.1",
     "react-github-calendar": "^4.3.0",
     "react-icons": "^5.3.0",
@@ -51,7 +51,7 @@
     ]
   },
   "devDependencies": {
-    "@types/react": "^18.3.3",
+    "@types/react": "^19.0.7",
     "@types/react-dom": "^18.3.0",
     "gh-pages": "^6.1.1"
   }