diff --git a/licenses/dependency-identity.txt b/licenses/dependency-identity.txt
index 3b98541..5cb5787 100644
--- a/licenses/dependency-identity.txt
+++ b/licenses/dependency-identity.txt
@@ -75,7 +75,6 @@ use-sync-external-store 1.6.0 MIT
 
 [npm build-time generators whose output ships]
 rolldown 1.1.5 MIT
-tailwindcss 4.3.3 MIT
 vite 8.1.5 MIT
 
 [container base image]
diff --git a/licenses/inventory.zon b/licenses/inventory.zon
index 8419bbb..10914f4 100644
--- a/licenses/inventory.zon
+++ b/licenses/inventory.zon
@@ -73,9 +73,8 @@
 //
 // Of the remaining devDependencies, none puts a byte in web/dist: @vitejs/
 // plugin-react and typescript only transform our own sources (react-refresh is
-// dev-server only, and tslib is optional and unused), @tailwindcss/vite
-// orchestrates tailwindcss without contributing CSS of its own, lightningcss
-// only minifies, and @testing-library/*, jsdom, vitest, oxlint and prettier
+// dev-server only, and tslib is optional and unused), lightningcss only
+// minifies, and @testing-library/*, jsdom, vitest, oxlint and prettier
 // never touch the build output.
 .{
     .{
@@ -156,12 +155,6 @@
         .note = "Bundled into the admin UI JavaScript. Separate entry from the other TanStack packages: same MIT text, different copyright line.",
         .file = "tanstack-store-mit.txt",
     },
-    .{
-        .component = "Tailwind CSS",
-        .version = "tailwindcss 4.3.3",
-        .note = "A devDependency whose output ships: the admin UI stylesheet is generated from Tailwind's own CSS sources, so the generated CSS in the binary is a derivative of them.",
-        .file = "tailwindcss-mit.txt",
-    },
     .{
         .component = "Vite",
         .version = "vite 8.1.5",
@@ -171,7 +164,7 @@
     .{
         .component = "Rolldown",
         .version = "rolldown 1.1.5",
-        .note = "A devDependency whose own runtime source ships: the bundler Vite 8 runs prepends its CommonJS interop helpers verbatim to web/dist/assets/classes-*.js, which is embedded in the binary.",
+        .note = "A devDependency whose own runtime source ships: the bundler Vite 8 runs prepends its CommonJS interop helpers verbatim to web/dist/assets/styles-*.js, which is embedded in the binary.",
         .file = "rolldown-mit.txt",
     },
     .{
diff --git a/licenses/licenses.zig b/licenses/licenses.zig
index ef50b57..8dd2a0e 100644
--- a/licenses/licenses.zig
+++ b/licenses/licenses.zig
@@ -55,7 +55,6 @@ pub const texts: []const Text = &.{
     .{ .name = "clsx-mit.txt", .body = @embedFile("clsx-mit.txt") },
     .{ .name = "stylex-mit.txt", .body = @embedFile("stylex-mit.txt") },
     .{ .name = "styleq-mit.txt", .body = @embedFile("styleq-mit.txt") },
-    .{ .name = "tailwindcss-mit.txt", .body = @embedFile("tailwindcss-mit.txt") },
     .{ .name = "vite-mit.txt", .body = @embedFile("vite-mit.txt") },
     .{ .name = "rolldown-mit.txt", .body = @embedFile("rolldown-mit.txt") },
     .{ .name = "mozilla-ca-bundle-mpl-2.0.txt", .body = @embedFile("mozilla-ca-bundle-mpl-2.0.txt") },
diff --git a/licenses/tailwindcss-mit.txt b/licenses/tailwindcss-mit.txt
deleted file mode 100644
index d6a8229..0000000
--- a/licenses/tailwindcss-mit.txt
+++ /dev/null
@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) Tailwind Labs, Inc.
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
diff --git a/src/licenses_drift_test.zig b/src/licenses_drift_test.zig
index 7a72f40..4c8849d 100644
--- a/src/licenses_drift_test.zig
+++ b/src/licenses_drift_test.zig
@@ -47,7 +47,7 @@ const licenses = @import("licenses_files");
 /// rolldown for the CommonJS interop helpers it prepends to any chunk pulling in
 /// a CommonJS module. Every other devDependency left `web/dist` untouched.
 /// Anything added here must also be inventoried.
-const npm_generators = [_][]const u8{ "rolldown", "tailwindcss", "vite" };
+const npm_generators = [_][]const u8{ "rolldown", "vite" };
 
 /// Packages of the recorded runtime closure that put no byte in `web/dist`, so
 /// the inventory names them in a note rather than carrying their licence. The
@@ -87,7 +87,6 @@ const required_components = [_][]const u8{
     "p256-m",
     "React",
     "TanStack",
-    "Tailwind",
     "Vite",
     "Rolldown",
     "Mozilla CA certificate bundle",
diff --git a/web/package-lock.json b/web/package-lock.json
index 8463acc..42a6214 100644
--- a/web/package-lock.json
+++ b/web/package-lock.json
@@ -17,7 +17,6 @@
 			},
 			"devDependencies": {
 				"@stylexjs/unplugin": "0.19.0",
-				"@tailwindcss/vite": "4.3.3",
 				"@testing-library/dom": "10.4.1",
 				"@testing-library/react": "16.3.2",
 				"@types/node": "26.1.1",
@@ -27,7 +26,6 @@
 				"jsdom": "29.1.1",
 				"oxlint": "1.75.0",
 				"prettier": "3.9.6",
-				"tailwindcss": "4.3.3",
 				"typescript": "7.0.2",
 				"vite": "8.1.5",
 				"vitest": "4.1.10"
@@ -1435,290 +1433,6 @@
 				"tslib": "^2.8.0"
 			}
 		},
-		"node_modules/@tailwindcss/node": {
-			"version": "4.3.3",
-			"resolved": "https://registry.npmjs.org/@tailwindcss/node/-/node-4.3.3.tgz",
-			"integrity": "sha512-/T8IKEsf9VTU6tLjgC7+sv2mOPtQxzE2jMw7u4Tt40Tx+QSZxpzh95/H6cMKoja9XuW7iMdLJYBB0o9G1CaAgg==",
-			"dev": true,
-			"license": "MIT",
-			"dependencies": {
-				"@jridgewell/remapping": "^2.3.5",
-				"enhanced-resolve": "^5.24.1",
-				"jiti": "^2.7.0",
-				"lightningcss": "1.32.0",
-				"magic-string": "^0.30.21",
-				"source-map-js": "^1.2.1",
-				"tailwindcss": "4.3.3"
-			}
-		},
-		"node_modules/@tailwindcss/oxide": {
-			"version": "4.3.3",
-			"resolved": "https://registry.npmjs.org/@tailwindcss/oxide/-/oxide-4.3.3.tgz",
-			"integrity": "sha512-krXjAikiaFSPaK/FkAQT5UTx3VormQaiZ5hBFlJZ9UFQGB/rwg1MZIhHAG9smMQRTdyJxP6Qt5MwMtdyU5FWrA==",
-			"dev": true,
-			"license": "MIT",
-			"engines": {
-				"node": ">= 20"
-			},
-			"optionalDependencies": {
-				"@tailwindcss/oxide-android-arm64": "4.3.3",
-				"@tailwindcss/oxide-darwin-arm64": "4.3.3",
-				"@tailwindcss/oxide-darwin-x64": "4.3.3",
-				"@tailwindcss/oxide-freebsd-x64": "4.3.3",
-				"@tailwindcss/oxide-linux-arm-gnueabihf": "4.3.3",
-				"@tailwindcss/oxide-linux-arm64-gnu": "4.3.3",
-				"@tailwindcss/oxide-linux-arm64-musl": "4.3.3",
-				"@tailwindcss/oxide-linux-x64-gnu": "4.3.3",
-				"@tailwindcss/oxide-linux-x64-musl": "4.3.3",
-				"@tailwindcss/oxide-wasm32-wasi": "4.3.3",
-				"@tailwindcss/oxide-win32-arm64-msvc": "4.3.3",
-				"@tailwindcss/oxide-win32-x64-msvc": "4.3.3"
-			}
-		},
-		"node_modules/@tailwindcss/oxide-android-arm64": {
-			"version": "4.3.3",
-			"resolved": "https://registry.npmjs.org/@tailwindcss/oxide-android-arm64/-/oxide-android-arm64-4.3.3.tgz",
-			"integrity": "sha512-Y85A2gmPSkl5Ve5qR86GL4HT509cFqQh1aes9p3sSkyTPwt0Pppf3GkwGe4JPACcRYjgJIEhQgM6dBClnr0NYw==",
-			"cpu": [
-				"arm64"
-			],
-			"dev": true,
-			"license": "MIT",
-			"optional": true,
-			"os": [
-				"android"
-			],
-			"engines": {
-				"node": ">= 20"
-			}
-		},
-		"node_modules/@tailwindcss/oxide-darwin-arm64": {
-			"version": "4.3.3",
-			"resolved": "https://registry.npmjs.org/@tailwindcss/oxide-darwin-arm64/-/oxide-darwin-arm64-4.3.3.tgz",
-			"integrity": "sha512-BiaWatpBcERQFDlOjRDpIVXuFK5PJez5SA4JMg6VYZdBYU+qKfV/vqjcIs+IYmtitf1xYQZTwXvU/8y4lfZUGw==",
-			"cpu": [
-				"arm64"
-			],
-			"dev": true,
-			"license": "MIT",
-			"optional": true,
-			"os": [
-				"darwin"
-			],
-			"engines": {
-				"node": ">= 20"
-			}
-		},
-		"node_modules/@tailwindcss/oxide-darwin-x64": {
-			"version": "4.3.3",
-			"resolved": "https://registry.npmjs.org/@tailwindcss/oxide-darwin-x64/-/oxide-darwin-x64-4.3.3.tgz",
-			"integrity": "sha512-fAeUqfV5ndhxRwai8cXGzdLvul9utWOmeTkv69unv4ZXixjn61Z+p9lCWdwOwA3TYboG3BwdVuN/RDjhBRl0mw==",
-			"cpu": [
-				"x64"
-			],
-			"dev": true,
-			"license": "MIT",
-			"optional": true,
-			"os": [
-				"darwin"
-			],
-			"engines": {
-				"node": ">= 20"
-			}
-		},
-		"node_modules/@tailwindcss/oxide-freebsd-x64": {
-			"version": "4.3.3",
-			"resolved": "https://registry.npmjs.org/@tailwindcss/oxide-freebsd-x64/-/oxide-freebsd-x64-4.3.3.tgz",
-			"integrity": "sha512-iyf5bV6+wnAlflVeEy7R25dupxTNECZN5QMI0qNT6eT+EgaGdZcKhGkr5SdoaWiLJ3spLqIY9VCeSGrwmtg4kw==",
-			"cpu": [
-				"x64"
-			],
-			"dev": true,
-			"license": "MIT",
-			"optional": true,
-			"os": [
-				"freebsd"
-			],
-			"engines": {
-				"node": ">= 20"
-			}
-		},
-		"node_modules/@tailwindcss/oxide-linux-arm-gnueabihf": {
-			"version": "4.3.3",
-			"resolved": "https://registry.npmjs.org/@tailwindcss/oxide-linux-arm-gnueabihf/-/oxide-linux-arm-gnueabihf-4.3.3.tgz",
-			"integrity": "sha512-aAYUprJAJQWWbRrPvtjdroZ56Md+JM8pMiopS6xGEwDfLhqj+2ver2p4nU4Mb3CRqcMmNBjo8KkUgcxhkzVQGQ==",
-			"cpu": [
-				"arm"
-			],
-			"dev": true,
-			"license": "MIT",
-			"optional": true,
-			"os": [
-				"linux"
-			],
-			"engines": {
-				"node": ">= 20"
-			}
-		},
-		"node_modules/@tailwindcss/oxide-linux-arm64-gnu": {
-			"version": "4.3.3",
-			"resolved": "https://registry.npmjs.org/@tailwindcss/oxide-linux-arm64-gnu/-/oxide-linux-arm64-gnu-4.3.3.tgz",
-			"integrity": "sha512-nDxldcEENOxZRzC2uu9jrutZdAAQtb+8WWDCSnWL1zvBk1+FN+x6MtDViPB5AJMfttVCUhehGWus3XBPgatM/w==",
-			"cpu": [
-				"arm64"
-			],
-			"dev": true,
-			"libc": [
-				"glibc"
-			],
-			"license": "MIT",
-			"optional": true,
-			"os": [
-				"linux"
-			],
-			"engines": {
-				"node": ">= 20"
-			}
-		},
-		"node_modules/@tailwindcss/oxide-linux-arm64-musl": {
-			"version": "4.3.3",
-			"resolved": "https://registry.npmjs.org/@tailwindcss/oxide-linux-arm64-musl/-/oxide-linux-arm64-musl-4.3.3.tgz",
-			"integrity": "sha512-Md44bD6veX/PC5iyF8cDVnw4HBIANZepRZZ7a8DQOvkfo5WUBwcp6iAuCUz23u+4SUkhJlD3eL7hNdW8ezd/kA==",
-			"cpu": [
-				"arm64"
-			],
-			"dev": true,
-			"libc": [
-				"musl"
-			],
-			"license": "MIT",
-			"optional": true,
-			"os": [
-				"linux"
-			],
-			"engines": {
-				"node": ">= 20"
-			}
-		},
-		"node_modules/@tailwindcss/oxide-linux-x64-gnu": {
-			"version": "4.3.3",
-			"resolved": "https://registry.npmjs.org/@tailwindcss/oxide-linux-x64-gnu/-/oxide-linux-x64-gnu-4.3.3.tgz",
-			"integrity": "sha512-tx7us1muwOKAKWao2v/GaafFeQboE6aj88vC6ziN2NCGcRm8gWUhwjzg+YdVB1e4boAtdtma4L43onunI6NS4w==",
-			"cpu": [
-				"x64"
-			],
-			"dev": true,
-			"libc": [
-				"glibc"
-			],
-			"license": "MIT",
-			"optional": true,
-			"os": [
-				"linux"
-			],
-			"engines": {
-				"node": ">= 20"
-			}
-		},
-		"node_modules/@tailwindcss/oxide-linux-x64-musl": {
-			"version": "4.3.3",
-			"resolved": "https://registry.npmjs.org/@tailwindcss/oxide-linux-x64-musl/-/oxide-linux-x64-musl-4.3.3.tgz",
-			"integrity": "sha512-SJxX60smvHgasZoBy11dX6YRjXJFovwWBoedhbQPOBzgFWBHGB+TVPWB9BxzR7TTxU8FQZAI2AyiNCMzFm8Img==",
-			"cpu": [
-				"x64"
-			],
-			"dev": true,
-			"libc": [
-				"musl"
-			],
-			"license": "MIT",
-			"optional": true,
-			"os": [
-				"linux"
-			],
-			"engines": {
-				"node": ">= 20"
-			}
-		},
-		"node_modules/@tailwindcss/oxide-wasm32-wasi": {
-			"version": "4.3.3",
-			"resolved": "https://registry.npmjs.org/@tailwindcss/oxide-wasm32-wasi/-/oxide-wasm32-wasi-4.3.3.tgz",
-			"integrity": "sha512-jx1+rPhY/5Ympkktd656HBWEBLxP7dH06losBLjjf5vgCODXvi9KhtftWcMIwTFIDqBr7cRnQkdLnAG+IOlGvQ==",
-			"bundleDependencies": [
-				"@napi-rs/wasm-runtime",
-				"@emnapi/core",
-				"@emnapi/runtime",
-				"@tybys/wasm-util",
-				"@emnapi/wasi-threads",
-				"tslib"
-			],
-			"cpu": [
-				"wasm32"
-			],
-			"dev": true,
-			"license": "MIT",
-			"optional": true,
-			"dependencies": {
-				"@emnapi/core": "^1.11.1",
-				"@emnapi/runtime": "^1.11.1",
-				"@emnapi/wasi-threads": "^1.2.2",
-				"@napi-rs/wasm-runtime": "^1.1.4",
-				"@tybys/wasm-util": "^0.10.2",
-				"tslib": "^2.8.1"
-			},
-			"engines": {
-				"node": ">=14.0.0"
-			}
-		},
-		"node_modules/@tailwindcss/oxide-win32-arm64-msvc": {
-			"version": "4.3.3",
-			"resolved": "https://registry.npmjs.org/@tailwindcss/oxide-win32-arm64-msvc/-/oxide-win32-arm64-msvc-4.3.3.tgz",
-			"integrity": "sha512-3rc292Ca2ceK6Ulcc/bAVnTs/3nDtoPhyEKlgPv+yQJQi/JS/AMJlqzxvlDacL1nekbrcf6bTqp/jV4qgnPxNQ==",
-			"cpu": [
-				"arm64"
-			],
-			"dev": true,
-			"license": "MIT",
-			"optional": true,
-			"os": [
-				"win32"
-			],
-			"engines": {
-				"node": ">= 20"
-			}
-		},
-		"node_modules/@tailwindcss/oxide-win32-x64-msvc": {
-			"version": "4.3.3",
-			"resolved": "https://registry.npmjs.org/@tailwindcss/oxide-win32-x64-msvc/-/oxide-win32-x64-msvc-4.3.3.tgz",
-			"integrity": "sha512-yJ0pwIVc/nYeGoV02WtsN8KYyLQv7kyI2wDnkezyJlGGjkd4QLwDGAwl47YpPJeuI0M0ObaXGSPjvWDPeTPggw==",
-			"cpu": [
-				"x64"
-			],
-			"dev": true,
-			"license": "MIT",
-			"optional": true,
-			"os": [
-				"win32"
-			],
-			"engines": {
-				"node": ">= 20"
-			}
-		},
-		"node_modules/@tailwindcss/vite": {
-			"version": "4.3.3",
-			"resolved": "https://registry.npmjs.org/@tailwindcss/vite/-/vite-4.3.3.tgz",
-			"integrity": "sha512-yYU8cogLeSh/ms2jh8Fj7jaba/EWa7Ja6GoUqYZaraEuCI5YS6ms6ObZgjjedm+jm6XZjdNRWBpPP6Z86oOxcw==",
-			"dev": true,
-			"license": "MIT",
-			"dependencies": {
-				"@tailwindcss/node": "4.3.3",
-				"@tailwindcss/oxide": "4.3.3",
-				"tailwindcss": "4.3.3"
-			},
-			"peerDependencies": {
-				"vite": "^5.2.0 || ^6 || ^7 || ^8"
-			}
-		},
 		"node_modules/@tanstack/history": {
 			"version": "1.162.0",
 			"resolved": "https://registry.npmjs.org/@tanstack/history/-/history-1.162.0.tgz",
@@ -2713,20 +2427,6 @@
 			"dev": true,
 			"license": "ISC"
 		},
-		"node_modules/enhanced-resolve": {
-			"version": "5.24.3",
-			"resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-5.24.3.tgz",
-			"integrity": "sha512-PwKooW9JUzh5chmYfHM3IQl5OkK2u2Nm011MgeZrss3JmFraUx/fqrf78kk8GUMYoibx/14MdwTl/1WKkG7TpQ==",
-			"dev": true,
-			"license": "MIT",
-			"dependencies": {
-				"graceful-fs": "^4.2.4",
-				"tapable": "^2.3.3"
-			},
-			"engines": {
-				"node": ">=10.13.0"
-			}
-		},
 		"node_modules/entities": {
 			"version": "8.0.0",
 			"resolved": "https://registry.npmjs.org/entities/-/entities-8.0.0.tgz",
@@ -2820,13 +2520,6 @@
 				"node": ">=6.9.0"
 			}
 		},
-		"node_modules/graceful-fs": {
-			"version": "4.2.11",
-			"resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.11.tgz",
-			"integrity": "sha512-RbJ5/jmFcNNCcDV5o9eTnBLJ/HszWV0P73bc+Ff4nS/rJj+YaS6IGyiOL0VoBYX+l1Wrl3k63h/KrH+nhJ0XvQ==",
-			"dev": true,
-			"license": "ISC"
-		},
 		"node_modules/html-encoding-sniffer": {
 			"version": "6.0.0",
 			"resolved": "https://registry.npmjs.org/html-encoding-sniffer/-/html-encoding-sniffer-6.0.0.tgz",
@@ -2865,16 +2558,6 @@
 				"node": ">=18"
 			}
 		},
-		"node_modules/jiti": {
-			"version": "2.7.0",
-			"resolved": "https://registry.npmjs.org/jiti/-/jiti-2.7.0.tgz",
-			"integrity": "sha512-AC/7JofJvZGrrneWNaEnJeOLUx+JlGt7tNa0wZiRPT4MY1wmfKjt2+6O2p2uz2+skll8OZZmJMNqeke7kKbNgQ==",
-			"dev": true,
-			"license": "MIT",
-			"bin": {
-				"jiti": "lib/jiti-cli.mjs"
-			}
-		},
 		"node_modules/js-tokens": {
 			"version": "4.0.0",
 			"resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
@@ -3709,27 +3392,6 @@
 			"dev": true,
 			"license": "MIT"
 		},
-		"node_modules/tailwindcss": {
-			"version": "4.3.3",
-			"resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.3.3.tgz",
-			"integrity": "sha512-gOhV3P7ufE62QDGg1zVaTgCR+EtPv92k2nIhVcVKcLmxT1sUBsQGhnZj175j+MqRt4zLF7ic+sCYjfhxMxj7YQ==",
-			"dev": true,
-			"license": "MIT"
-		},
-		"node_modules/tapable": {
-			"version": "2.3.3",
-			"resolved": "https://registry.npmjs.org/tapable/-/tapable-2.3.3.tgz",
-			"integrity": "sha512-uxc/zpqFg6x7C8vOE7lh6Lbda8eEL9zmVm/PLeTPBRhh1xCgdWaQ+J1CUieGpIfm2HdtsUpRv+HshiasBMcc6A==",
-			"dev": true,
-			"license": "MIT",
-			"engines": {
-				"node": ">=6"
-			},
-			"funding": {
-				"type": "opencollective",
-				"url": "https://opencollective.com/webpack"
-			}
-		},
 		"node_modules/tinybench": {
 			"version": "2.9.0",
 			"resolved": "https://registry.npmjs.org/tinybench/-/tinybench-2.9.0.tgz",
diff --git a/web/package.json b/web/package.json
index 871ddaf..542385a 100644
--- a/web/package.json
+++ b/web/package.json
@@ -34,7 +34,6 @@
 	},
 	"devDependencies": {
 		"@stylexjs/unplugin": "0.19.0",
-		"@tailwindcss/vite": "4.3.3",
 		"@testing-library/dom": "10.4.1",
 		"@testing-library/react": "16.3.2",
 		"@types/node": "26.1.1",
@@ -44,7 +43,6 @@
 		"jsdom": "29.1.1",
 		"oxlint": "1.75.0",
 		"prettier": "3.9.6",
-		"tailwindcss": "4.3.3",
 		"typescript": "7.0.2",
 		"vite": "8.1.5",
 		"vitest": "4.1.10"
diff --git a/web/src/styles.css b/web/src/styles.css
index f1d8c73..11cd86f 100644
--- a/web/src/styles.css
+++ b/web/src/styles.css
@@ -1 +1,124 @@
-@import "tailwindcss";
+/*
+ * The CSS entry (milestone 23, ruling 1). The StyleX plugin emits the compiled
+ * atomic rules into their own layers; what is left here is the element reset
+ * those rules are written against.
+ *
+ * The reset is not optional and not cosmetic. Tailwind's preflight used to
+ * supply it, so every StyleX style in `web/src` is written assuming border-box
+ * sizing, no default margins, unstyled lists and form controls that inherit
+ * their font. Deleting this block does not restore browser defaults — it
+ * silently changes the meaning of every size and spacing value in the app.
+ * Rules are limited to what this app renders; it is not a general reset.
+ */
+
+*,
+*::before,
+*::after {
+	box-sizing: border-box;
+	margin: 0;
+	padding: 0;
+}
+
+html {
+	line-height: 1.5;
+	-webkit-text-size-adjust: 100%;
+	font-family:
+		system-ui,
+		-apple-system,
+		"Segoe UI",
+		Roboto,
+		"Helvetica Neue",
+		Arial,
+		sans-serif;
+}
+
+/* Headings carry their scale from StyleX, not from the user agent. */
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+	font-size: inherit;
+	font-weight: inherit;
+}
+
+ul,
+ol,
+menu {
+	list-style: none;
+}
+
+/* Links opt into colour and underline; the shell's nav wants neither. */
+a {
+	color: inherit;
+	text-decoration: inherit;
+}
+
+code,
+kbd,
+samp,
+pre {
+	font-size: 1em;
+}
+
+table {
+	border-collapse: collapse;
+	text-indent: 0;
+	border-color: inherit;
+}
+
+/*
+ * Form controls: inherit type and colour, drop the user-agent chrome, and keep
+ * `appearance: button` so iOS Safari honours a button's border radius.
+ */
+button,
+input,
+select,
+optgroup,
+textarea {
+	font: inherit;
+	letter-spacing: inherit;
+	color: inherit;
+	background-color: transparent;
+	border: 0 solid;
+	border-radius: 0;
+	opacity: 1;
+}
+
+button,
+input[type="button"],
+input[type="reset"],
+input[type="submit"] {
+	appearance: button;
+}
+
+/* A checkbox keeps its native chrome; the rules above would erase it. */
+input[type="checkbox"],
+input[type="radio"] {
+	appearance: auto;
+}
+
+::placeholder {
+	opacity: 1;
+	color: color-mix(in oklab, currentcolor 50%, transparent);
+}
+
+/* An inline SVG leaves a baseline gap under a full-width chart. */
+svg,
+img,
+video,
+canvas {
+	display: block;
+	vertical-align: middle;
+}
+
+img,
+video {
+	max-width: 100%;
+	height: auto;
+}
+
+[hidden] {
+	display: none !important;
+}
diff --git a/web/vite.config.ts b/web/vite.config.ts
index b97ebbb..a5863d4 100644
--- a/web/vite.config.ts
+++ b/web/vite.config.ts
@@ -1,7 +1,6 @@
 /// <reference types="vitest/config" />
 import { fileURLToPath } from "node:url";
 import stylex from "@stylexjs/unplugin";
-import tailwindcss from "@tailwindcss/vite";
 import react from "@vitejs/plugin-react";
 import { defineConfig } from "vite";
 
@@ -16,7 +15,6 @@ export default defineConfig(({ mode }) => ({
 			aliases: { "@/*": [fileURLToPath(new URL("./src/*", import.meta.url))] },
 		}),
 		react(),
-		tailwindcss(),
 	],
 	resolve: {
 		alias: {