diff --git a/package-lock.json b/package-lock.json
index cfaee8a..beb7590 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,12 +16,25 @@
         "rollup-plugin-node-resolve": "^4.0.0",
         "rollup-plugin-serve": "^1.0.3",
         "rollup-plugin-svelte": "^6.1.1",
-        "svelte": "^3.59.1"
+        "svelte": "^4.2.19"
       },
       "peerDependencies": {
         "svelte": "^3.0.0 || ^4.0.0"
       }
     },
+    "node_modules/@ampproject/remapping": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/@ampproject/remapping/-/remapping-2.3.0.tgz",
+      "integrity": "sha512-30iZtAPgz+LTIYoeivqYo853f02jBYSd5uGnGpkFV0M3xOt9aN73erkgYAmZU43x4VfqcnLxW9Kpg3R5LC4YYw==",
+      "dev": true,
+      "dependencies": {
+        "@jridgewell/gen-mapping": "^0.3.5",
+        "@jridgewell/trace-mapping": "^0.3.24"
+      },
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
     "node_modules/@babel/code-frame": {
       "version": "7.24.7",
       "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.24.7.tgz",
@@ -59,6 +72,54 @@
         "node": ">=6.9.0"
       }
     },
+    "node_modules/@jridgewell/gen-mapping": {
+      "version": "0.3.5",
+      "resolved": "https://registry.npmjs.org/@jridgewell/gen-mapping/-/gen-mapping-0.3.5.tgz",
+      "integrity": "sha512-IzL8ZoEDIBRWEzlCcRhOaCupYyN5gdIK+Q6fbFdPDg6HqX6jpkItn7DFIpW9LQzXG6Df9sA7+OKnq0qlz/GaQg==",
+      "dev": true,
+      "dependencies": {
+        "@jridgewell/set-array": "^1.2.1",
+        "@jridgewell/sourcemap-codec": "^1.4.10",
+        "@jridgewell/trace-mapping": "^0.3.24"
+      },
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
+    "node_modules/@jridgewell/resolve-uri": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/@jridgewell/resolve-uri/-/resolve-uri-3.1.2.tgz",
+      "integrity": "sha512-bRISgCIjP20/tbWSPWMEi54QVPRZExkuD9lJL+UIxUKtwVJA8wW1Trb1jMs1RFXo1CBTNZ/5hpC9QvmKWdopKw==",
+      "dev": true,
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
+    "node_modules/@jridgewell/set-array": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/@jridgewell/set-array/-/set-array-1.2.1.tgz",
+      "integrity": "sha512-R8gLRTZeyp03ymzP/6Lil/28tGeGEzhx1q2k703KGWRAI1VdvPIXdG70VJc2pAMw3NA6JKL5hhFu1sJX0Mnn/A==",
+      "dev": true,
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
+    "node_modules/@jridgewell/sourcemap-codec": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.5.0.tgz",
+      "integrity": "sha512-gv3ZRaISU3fjPAgNsriBRqGWQL6quFx04YMPW/zD8XMLsU32mhCCbfbO6KZFLjvYpCZ8zyDEgqsgf+PwPaM7GQ==",
+      "dev": true
+    },
+    "node_modules/@jridgewell/trace-mapping": {
+      "version": "0.3.25",
+      "resolved": "https://registry.npmjs.org/@jridgewell/trace-mapping/-/trace-mapping-0.3.25.tgz",
+      "integrity": "sha512-vNk6aEwybGtawWmy/PzwnGDOjCkLWSD2wqvjGGAgOAwCGWySYXfYoxt00IJkTF+8Lb57DwOb3Aa0o9CApepiYQ==",
+      "dev": true,
+      "dependencies": {
+        "@jridgewell/resolve-uri": "^3.1.0",
+        "@jridgewell/sourcemap-codec": "^1.4.14"
+      }
+    },
     "node_modules/@puppeteer/browsers": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/@puppeteer/browsers/-/browsers-2.3.1.tgz",
@@ -182,6 +243,15 @@
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       "dev": true
     },
+    "node_modules/aria-query": {
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/aria-query/-/aria-query-5.3.0.tgz",
+      "integrity": "sha512-b0P0sZPKtyu8HkeRAfCq0IfURZK+SuwMjY1UXGBU27wpAiTwQAIlq56IbIO+ytk/JjS1fMR14ee5WBBfKi5J6A==",
+      "dev": true,
+      "dependencies": {
+        "dequal": "^2.0.3"
+      }
+    },
     "node_modules/ast-types": {
       "version": "0.13.4",
       "resolved": "https://registry.npmjs.org/ast-types/-/ast-types-0.13.4.tgz",
@@ -194,6 +264,15 @@
         "node": ">=4"
       }
     },
+    "node_modules/axobject-query": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/axobject-query/-/axobject-query-4.1.0.tgz",
+      "integrity": "sha512-qIj0G9wZbMGNLjLmg1PT6v2mE9AH2zlnADJD/2tC6E00hgmhUOfEB6greHPAfLRSufHqROIUTkw6E+M3lH0PTQ==",
+      "dev": true,
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
     "node_modules/b4a": {
       "version": "1.6.6",
       "resolved": "https://registry.npmjs.org/b4a/-/b4a-1.6.6.tgz",
@@ -419,6 +498,40 @@
         "node": ">=12"
       }
     },
+    "node_modules/code-red": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/code-red/-/code-red-1.0.4.tgz",
+      "integrity": "sha512-7qJWqItLA8/VPVlKJlFXU+NBlo/qyfs39aJcuMT/2ere32ZqvF5OSxgdM5xOfJJ7O429gg2HM47y8v9P+9wrNw==",
+      "dev": true,
+      "dependencies": {
+        "@jridgewell/sourcemap-codec": "^1.4.15",
+        "@types/estree": "^1.0.1",
+        "acorn": "^8.10.0",
+        "estree-walker": "^3.0.3",
+        "periscopic": "^3.1.0"
+      }
+    },
+    "node_modules/code-red/node_modules/acorn": {
+      "version": "8.12.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.12.1.tgz",
+      "integrity": "sha512-tcpGyI9zbizT9JbV6oYE477V6mTlXvvi0T0G3SNIYE2apm/G5huBa1+K89VGeovbg+jycCrfhl3ADxErOuO6Jg==",
+      "dev": true,
+      "bin": {
+        "acorn": "bin/acorn"
+      },
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
+    "node_modules/code-red/node_modules/estree-walker": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-3.0.3.tgz",
+      "integrity": "sha512-7RUKfXgSMMkzt6ZuXmqapOurLGPPfgj6l9uRZ7lRGolvk0y2yocc35LdcxKC5PQZdn2DMqioAQ2NoWcrTKmm6g==",
+      "dev": true,
+      "dependencies": {
+        "@types/estree": "^1.0.0"
+      }
+    },
     "node_modules/color-convert": {
       "version": "1.9.3",
       "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
@@ -469,6 +582,19 @@
         }
       }
     },
+    "node_modules/css-tree": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/css-tree/-/css-tree-2.3.1.tgz",
+      "integrity": "sha512-6Fv1DV/TYw//QF5IzQdqsNDjx/wc8TrMBZsqjL9eW01tWb7R7k/mq+/VXfJCl7SoD5emsJop9cOByJZfs8hYIw==",
+      "dev": true,
+      "dependencies": {
+        "mdn-data": "2.0.30",
+        "source-map-js": "^1.0.1"
+      },
+      "engines": {
+        "node": "^10 || ^12.20.0 || ^14.13.0 || >=15.0.0"
+      }
+    },
     "node_modules/data-uri-to-buffer": {
       "version": "6.0.2",
       "resolved": "https://registry.npmjs.org/data-uri-to-buffer/-/data-uri-to-buffer-6.0.2.tgz",
@@ -509,6 +635,15 @@
         "node": ">= 14"
       }
     },
+    "node_modules/dequal": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/dequal/-/dequal-2.0.3.tgz",
+      "integrity": "sha512-0je+qPKHEMohvfRTCEo3CrPG6cAzAYgmzKyxRiYSSDkS6eGJdyVJm7WaYA5ECaAD9wLB2T4EEeymA5aFVcYXCA==",
+      "dev": true,
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/devtools-protocol": {
       "version": "0.0.1330662",
       "resolved": "https://registry.npmjs.org/devtools-protocol/-/devtools-protocol-0.0.1330662.tgz",
@@ -933,6 +1068,15 @@
         "node": ">=0.12.0"
       }
     },
+    "node_modules/is-reference": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/is-reference/-/is-reference-3.0.2.tgz",
+      "integrity": "sha512-v3rht/LgVcsdZa3O2Nqs+NMowLOxeOm7Ay9+/ARQ2F+qEoANRcqrjAZKGN0v8ymUetZGgkp26LTnGT7H0Qo9Pg==",
+      "dev": true,
+      "dependencies": {
+        "@types/estree": "*"
+      }
+    },
     "node_modules/js-tokens": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
@@ -1026,6 +1170,12 @@
         }
       }
     },
+    "node_modules/locate-character": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/locate-character/-/locate-character-3.0.0.tgz",
+      "integrity": "sha512-SW13ws7BjaeJ6p7Q6CO2nchbYEc3X3J6WrmTTDto7yMPqVSZTUyY5Tjbid+Ab8gLnATtygYtiDIJGQRRn2ZOiA==",
+      "dev": true
+    },
     "node_modules/lru-cache": {
       "version": "7.18.3",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-7.18.3.tgz",
@@ -1035,6 +1185,21 @@
         "node": ">=12"
       }
     },
+    "node_modules/magic-string": {
+      "version": "0.30.11",
+      "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.30.11.tgz",
+      "integrity": "sha512-+Wri9p0QHMy+545hKww7YAu5NyzF8iomPL/RQazugQ9+Ez4Ic3mERMd8ZTX5rfK944j+560ZJi8iAwgak1Ac7A==",
+      "dev": true,
+      "dependencies": {
+        "@jridgewell/sourcemap-codec": "^1.5.0"
+      }
+    },
+    "node_modules/mdn-data": {
+      "version": "2.0.30",
+      "resolved": "https://registry.npmjs.org/mdn-data/-/mdn-data-2.0.30.tgz",
+      "integrity": "sha512-GaqWWShW4kv/G9IEucWScBx9G1/vsFZZJUO+tD26M8J8z3Kw5RDQjaoZe03YAClgeS/SWPOcb4nkFBTEi5DUEA==",
+      "dev": true
+    },
     "node_modules/mime": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/mime/-/mime-1.6.0.tgz",
@@ -1208,6 +1373,26 @@
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       "dev": true
     },
+    "node_modules/periscopic": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/periscopic/-/periscopic-3.1.0.tgz",
+      "integrity": "sha512-vKiQ8RRtkl9P+r/+oefh25C3fhybptkHKCZSPlcXiJux2tJF55GnEj3BVn4A5gKfq9NWWXXrxkHBwVPUfH0opw==",
+      "dev": true,
+      "dependencies": {
+        "@types/estree": "^1.0.0",
+        "estree-walker": "^3.0.0",
+        "is-reference": "^3.0.0"
+      }
+    },
+    "node_modules/periscopic/node_modules/estree-walker": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-3.0.3.tgz",
+      "integrity": "sha512-7RUKfXgSMMkzt6ZuXmqapOurLGPPfgj6l9uRZ7lRGolvk0y2yocc35LdcxKC5PQZdn2DMqioAQ2NoWcrTKmm6g==",
+      "dev": true,
+      "dependencies": {
+        "@types/estree": "^1.0.0"
+      }
+    },
     "node_modules/picocolors": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.1.tgz",
@@ -1509,6 +1694,15 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/source-map-js": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.2.0.tgz",
+      "integrity": "sha512-itJW8lvSA0TXEphiRoawsCksnlf8SyvmFzIhltqAHluXd88pkCd+cXJVHTDwdCr0IzwptSm035IHQktUu1QUMg==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/sourcemap-codec": {
       "version": "1.4.8",
       "resolved": "https://registry.npmjs.org/sourcemap-codec/-/sourcemap-codec-1.4.8.tgz",
@@ -1587,12 +1781,49 @@
       }
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     "node_modules/svelte": {
-      "version": "3.59.2",
-      "resolved": "https://registry.npmjs.org/svelte/-/svelte-3.59.2.tgz",
-      "integrity": "sha512-vzSyuGr3eEoAtT/A6bmajosJZIUWySzY2CzB3w2pgPvnkUjGqlDnsNnA0PMO+mMAhuyMul6C2uuZzY6ELSkzyA==",
+      "version": "4.2.19",
+      "resolved": "https://registry.npmjs.org/svelte/-/svelte-4.2.19.tgz",
+      "integrity": "sha512-IY1rnGr6izd10B0A8LqsBfmlT5OILVuZ7XsI0vdGPEvuonFV7NYEUK4dAkm9Zg2q0Um92kYjTpS1CAP3Nh/KWw==",
+      "dev": true,
+      "dependencies": {
+        "@ampproject/remapping": "^2.2.1",
+        "@jridgewell/sourcemap-codec": "^1.4.15",
+        "@jridgewell/trace-mapping": "^0.3.18",
+        "@types/estree": "^1.0.1",
+        "acorn": "^8.9.0",
+        "aria-query": "^5.3.0",
+        "axobject-query": "^4.0.0",
+        "code-red": "^1.0.3",
+        "css-tree": "^2.3.1",
+        "estree-walker": "^3.0.3",
+        "is-reference": "^3.0.1",
+        "locate-character": "^3.0.0",
+        "magic-string": "^0.30.4",
+        "periscopic": "^3.1.0"
+      },
+      "engines": {
+        "node": ">=16"
+      }
+    },
+    "node_modules/svelte/node_modules/acorn": {
+      "version": "8.12.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.12.1.tgz",
+      "integrity": "sha512-tcpGyI9zbizT9JbV6oYE477V6mTlXvvi0T0G3SNIYE2apm/G5huBa1+K89VGeovbg+jycCrfhl3ADxErOuO6Jg==",
       "dev": true,
+      "bin": {
+        "acorn": "bin/acorn"
+      },
       "engines": {
-        "node": ">= 8"
+        "node": ">=0.4.0"
+      }
+    },
+    "node_modules/svelte/node_modules/estree-walker": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-3.0.3.tgz",
+      "integrity": "sha512-7RUKfXgSMMkzt6ZuXmqapOurLGPPfgj6l9uRZ7lRGolvk0y2yocc35LdcxKC5PQZdn2DMqioAQ2NoWcrTKmm6g==",
+      "dev": true,
+      "dependencies": {
+        "@types/estree": "^1.0.0"
       }
     },
     "node_modules/tar-fs": {
diff --git a/package.json b/package.json
index 74abe76..1adedaa 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "rollup-plugin-node-resolve": "^4.0.0",
     "rollup-plugin-serve": "^1.0.3",
     "rollup-plugin-svelte": "^6.1.1",
-    "svelte": "^3.59.1"
+    "svelte": "^4.2.19"
   },
   "peerDependencies": {
     "svelte": "^3.0.0 || ^4.0.0"