fix(frontend): fix markdown preview rendering and add dark mode styling

frontend/package-lock.json

@@ -25,6 +25,7 @@
         "web-vitals": "^2.1.4"
       },
       "devDependencies": {
+        "@tailwindcss/typography": "^0.5.19",
         "@types/jest": "^29.5.14",
         "@types/node": "^22.8.6",
         "@types/react": "^18.3.12",
@@ -2697,6 +2698,18 @@
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       }
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+    "node_modules/@jest/console/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
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@@ -2838,6 +2851,18 @@
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       }
     },
+    "node_modules/@jest/core/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
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@@ -3002,6 +3027,18 @@
         "node": "^10.13.0 || ^12.13.0 || ^14.15.0 || >=15.0.0"
       }
     },
+    "node_modules/@jest/fake-timers/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/@jest/fake-timers/node_modules/pretty-format": {
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@@ -3262,6 +3299,18 @@
         "node": "^10.13.0 || ^12.13.0 || ^14.15.0 || >=15.0.0"
       }
     },
+    "node_modules/@jest/reporters/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/@jest/reporters/node_modules/source-map": {
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       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
@@ -3436,6 +3485,18 @@
         "node": "^10.13.0 || ^12.13.0 || ^14.15.0 || >=15.0.0"
       }
     },
+    "node_modules/@jest/transform/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/@jest/transform/node_modules/source-map": {
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@@ -3717,6 +3778,18 @@
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       "license": "MIT"
     },
+    "node_modules/@rollup/pluginutils/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/@rtsao/scc": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/@rtsao/scc/-/scc-1.1.0.tgz",
@@ -3987,6 +4060,33 @@
         "url": "https://github.com/sponsors/gregberge"
       }
     },
+    "node_modules/@tailwindcss/typography": {
+      "version": "0.5.19",
+      "resolved": "https://registry.npmjs.org/@tailwindcss/typography/-/typography-0.5.19.tgz",
+      "integrity": "sha512-w31dd8HOx3k9vPtcQh5QHP9GwKcgbMp87j58qi6xgiBnFFtKEAgCWnDw4qUT8aHwkCp8bKvb/KGKWWHedP0AAg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "postcss-selector-parser": "6.0.10"
+      },
+      "peerDependencies": {
+        "tailwindcss": ">=3.0.0 || insiders || >=4.0.0-alpha.20 || >=4.0.0-beta.1"
+      }
+    },
+    "node_modules/@tailwindcss/typography/node_modules/postcss-selector-parser": {
+      "version": "6.0.10",
+      "resolved": "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-6.0.10.tgz",
+      "integrity": "sha512-IQ7TZdoaqbT+LCpShg46jnZVlhWD2w6iQYAcYXfHARZ7X1t/UGhhceQDs5X0cGqKvYlHNOuv7Oa1xmb0oQuA3w==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "cssesc": "^3.0.0",
+        "util-deprecate": "^1.0.2"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/@testing-library/dom": {
       "version": "10.4.1",
       "resolved": "https://registry.npmjs.org/@testing-library/dom/-/dom-10.4.1.tgz",
@@ -4436,7 +4536,6 @@
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-      "dev": true,
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     "node_modules/@types/q": {
@@ -4461,7 +4560,6 @@
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@@ -4472,7 +4570,7 @@
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-      "dev": true,
+      "devOptional": true,
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@@ -5305,6 +5403,18 @@
         "node": ">= 8"
       }
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+    "node_modules/anymatch/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/arg": {
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@@ -6795,6 +6905,15 @@
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       }
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+    "node_modules/cosmiconfig/node_modules/yaml": {
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+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-1.10.2.tgz",
+      "integrity": "sha512-r3vXyErRCYJ7wg28yvBY5VSoAF8ZvlcW9/BwUzEtUsjvX/DKs24dIkuwjtuprwJJHsbyUbLApepYTR1BN4uHrg==",
+      "license": "ISC",
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/cross-spawn": {
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@@ -7141,6 +7260,15 @@
         "postcss": "^8.2.15"
       }
     },
+    "node_modules/cssnano/node_modules/yaml": {
+      "version": "1.10.2",
+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-1.10.2.tgz",
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+      "license": "ISC",
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/csso": {
       "version": "4.2.0",
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@@ -7209,7 +7337,6 @@
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-      "dev": true,
       "license": "MIT"
     },
     "node_modules/damerau-levenshtein": {
@@ -9218,6 +9345,15 @@
         "node": ">=6"
       }
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+    "node_modules/fork-ts-checker-webpack-plugin/node_modules/yaml": {
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+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-1.10.2.tgz",
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+      "license": "ISC",
+      "engines": {
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@@ -11281,6 +11417,18 @@
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       }
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+    "node_modules/jest-circus/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/jest-circus/node_modules/pretty-format": {
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@@ -11377,6 +11525,18 @@
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       }
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+    "node_modules/jest-cli/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/jest-config": {
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@@ -11483,6 +11643,18 @@
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+    "node_modules/jest-config/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
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@@ -11610,6 +11782,18 @@
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+    "node_modules/jest-each/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
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@@ -11690,6 +11874,18 @@
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+    "node_modules/jest-environment-jsdom/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
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@@ -11749,6 +11945,18 @@
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+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
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@@ -11827,6 +12035,18 @@
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+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
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@@ -11992,6 +12212,18 @@
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+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
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@@ -12269,6 +12501,18 @@
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+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
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@@ -12375,6 +12619,18 @@
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+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
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@@ -12502,6 +12758,18 @@
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       }
     },
+    "node_modules/jest-runtime/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/jest-runtime/node_modules/pretty-format": {
       "version": "27.5.1",
       "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-27.5.1.tgz",
@@ -12705,6 +12973,18 @@
         "node": "^10.13.0 || ^12.13.0 || ^14.15.0 || >=15.0.0"
       }
     },
+    "node_modules/jest-snapshot/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/jest-snapshot/node_modules/pretty-format": {
       "version": "27.5.1",
       "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-27.5.1.tgz",
@@ -12755,6 +13035,19 @@
         "node": "^14.15.0 || ^16.10.0 || >=18.0.0"
       }
     },
+    "node_modules/jest-util/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/jest-validate": {
       "version": "27.5.1",
       "resolved": "https://registry.npmjs.org/jest-validate/-/jest-validate-27.5.1.tgz",
@@ -13058,6 +13351,18 @@
         "node": ">=8"
       }
     },
+    "node_modules/jest-watch-typeahead/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/jest-watch-typeahead/node_modules/pretty-format": {
       "version": "28.1.3",
       "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-28.1.3.tgz",
@@ -13197,6 +13502,18 @@
         "node": "^10.13.0 || ^12.13.0 || ^14.15.0 || >=15.0.0"
       }
     },
+    "node_modules/jest-watcher/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/jest-worker": {
       "version": "27.5.1",
       "resolved": "https://registry.npmjs.org/jest-worker/-/jest-worker-27.5.1.tgz",
@@ -14624,6 +14941,18 @@
         "node": ">=8.6"
       }
     },
+    "node_modules/micromatch/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/mime": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/mime/-/mime-1.6.0.tgz",
@@ -15341,12 +15670,12 @@
       "license": "ISC"
     },
     "node_modules/picomatch": {
-      "version": "2.3.1",
+      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.3.tgz",
-      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
       "license": "MIT",
       "engines": {
-        "node": ">=8.6"
+        "node": ">=12"
       },
       "funding": {
         "url": "https://github.com/sponsors/jonschlinkert"
@@ -17398,6 +17727,18 @@
         "node": ">=8.10.0"
       }
     },
+    "node_modules/readdirp/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/recursive-readdir": {
       "version": "2.2.3",
       "resolved": "https://registry.npmjs.org/recursive-readdir/-/recursive-readdir-2.2.3.tgz",
@@ -19537,18 +19878,6 @@
         "url": "https://github.com/sponsors/SuperchupuDev"
       }
     },
-    "node_modules/tinyglobby/node_modules/picomatch": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.3.tgz",
-      "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=12"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/jonschlinkert"
-      }
-    },
     "node_modules/tmpl": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/tmpl/-/tmpl-1.0.5.tgz",
@@ -19837,7 +20166,6 @@
       "version": "4.9.5",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.5.tgz",
       "integrity": "sha512-1FXk9E2Hm+QzZQ7z+McJiHL4NW1F2EzMu9Nq9i3zAaGqibafqYwCVU6WyWAuyQRRzOlxou8xZSyXLEN8oKj24g==",
-      "dev": true,
       "license": "Apache-2.0",
       "bin": {
         "tsc": "bin/tsc",
@@ -21106,12 +21434,20 @@
       "license": "ISC"
     },
     "node_modules/yaml": {
-      "version": "1.10.2",
+      "version": "2.8.2",
-      "resolved": "https://registry.npmjs.org/yaml/-/yaml-1.10.2.tgz",
+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.8.2.tgz",
-      "integrity": "sha512-r3vXyErRCYJ7wg28yvBY5VSoAF8ZvlcW9/BwUzEtUsjvX/DKs24dIkuwjtuprwJJHsbyUbLApepYTR1BN4uHrg==",
+      "integrity": "sha512-mplynKqc1C2hTVYxd0PU2xQAc22TI1vShAYGksCCfxbn/dFwnHTNi1bvYsBTkhdUNtGIf5xNOg938rrSSYvS9A==",
       "license": "ISC",
+      "optional": true,
+      "peer": true,
+      "bin": {
+        "yaml": "bin.mjs"
+      },
       "engines": {
-        "node": ">= 6"
+        "node": ">= 14.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/eemeli"
       }
     },
     "node_modules/yargs": {

frontend/package.json

@@ -20,6 +20,7 @@
     "web-vitals": "^2.1.4"
   },
   "devDependencies": {
+    "@tailwindcss/typography": "^0.5.19",
     "@types/jest": "^29.5.14",
     "@types/node": "^22.8.6",
     "@types/react": "^18.3.12",

frontend/src/App.tsx

@@ -1,6 +1,7 @@
 import React, { useState, useEffect, useCallback } from 'react';
 import Editor from './components/Editor';
 import FileList from './components/FileList';
+import MarkdownPreview from './components/MarkdownPreview';
 import { useTheme } from './hooks/useTheme';
 import { API_URL } from './lib/api';
 
@@ -218,14 +219,11 @@ function App() {
                 </div>
               </div>
             ) : currentFile ? (
-              <div className="flex-1 overflow-y-auto border-t border-custom">
+              <div className={`flex-1 overflow-y-auto border-t border-custom ${theme === 'dark' ? 'dark' : ''}`}>
                 <div className="bg-primary p-4">
                   <h2 className="text-lg font-semibold mb-4">Preview</h2>
                   <div className="prose max-w-none">
-                    <div
+                    <MarkdownPreview content={content} />
-                      className="markdown-preview"
-                      dangerouslySetInnerHTML={{ __html: content }}
-                    />
                   </div>
                 </div>
               </div>

frontend/src/components/MarkdownPreview.tsx

@@ -2,7 +2,7 @@ import React from 'react';
 import ReactMarkdown from 'react-markdown';
 import remarkGfm from 'remark-gfm';
 import rehypeHighlight from 'rehype-highlight';
-import 'highlight.js/styles/github-dark.css';
+import 'highlight.js/styles/github.css';
 
 interface MarkdownPreviewProps {
   content: string;

frontend/src/index.css

@@ -70,3 +70,72 @@ code {
 .border-custom {
   border-color: var(--border-color);
 }
+
+/* Dark mode prose styling */
+.dark .prose {
+  color: #e2e8f0;
+}
+
+.dark .prose h1,
+.dark .prose h2,
+.dark .prose h3,
+.dark .prose h4,
+.dark .prose h5,
+.dark .prose h6 {
+  color: #f1f5f9;
+}
+
+.dark .prose a {
+  color: #60a5fa;
+}
+
+.dark .prose strong {
+  color: #f1f5f9;
+}
+
+.dark .prose code {
+  color: #f472b6;
+  background-color: rgba(236, 72, 153, 0.1);
+}
+
+.dark .prose pre {
+  background-color: #1e293b;
+  border-color: #334155;
+}
+
+.dark .prose pre code {
+  color: #f472b6;
+}
+
+.dark .prose blockquote {
+  border-left-color: #60a5fa;
+}
+
+.dark .prose ul,
+.dark .prose ol {
+  color: #cbd5e1;
+}
+
+.dark .prose li {
+  color: #cbd5e1;
+}
+
+.dark .prose hr {
+  border-color: #334155;
+}
+
+.dark .prose table {
+  border-color: #334155;
+}
+
+.dark .prose th {
+  border-color: #334155;
+}
+
+.dark .prose td {
+  border-color: #334155;
+}
+
+.dark .prose figcaption {
+  color: #94a3b8;
+}

frontend/tailwind.config.js

@@ -1,8 +1,9 @@
 /** @type {import('tailwindcss').Config} */
 module.exports = {
   content: ["./src/**/*.{js,jsx,ts,tsx}"],
+  darkMode: 'class',
   theme: {
     extend: {},
   },
-  plugins: [],
+  plugins: [require('@tailwindcss/typography')],
 }