diff --git a/package-lock.json b/package-lock.json
index 150c623..1935356 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,12 +8,19 @@
       "name": "meshexplorer",
       "version": "0.1.0",
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+        "@heroicons/react": "^2.2.0",
+        "@types/leaflet": "^1.9.19",
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         "react-dom": "^19.0.0",
+        "react-leaflet": "^5.0.0",
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       },
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@@ -227,6 +234,81 @@
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+      "resolved": "https://registry.npmjs.org/@floating-ui/react-dom/-/react-dom-2.1.4.tgz",
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+      "dependencies": {
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+      },
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+        "react-dom": ">=16.8.0"
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+    },
+    "node_modules/@headlessui/react": {
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/@headlessui/react/-/react-2.2.4.tgz",
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+      "dependencies": {
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+        "@react-aria/focus": "^3.20.2",
+        "@react-aria/interactions": "^3.25.0",
+        "@tanstack/react-virtual": "^3.13.9",
+        "use-sync-external-store": "^1.5.0"
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+        "react-dom": "^18 || ^19 || ^19.0.0-rc"
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+    "node_modules/@heroicons/react": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/@heroicons/react/-/react-2.2.0.tgz",
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@@ -900,6 +982,106 @@
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+      "resolved": "https://registry.npmjs.org/@react-aria/focus/-/focus-3.20.5.tgz",
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@@ -1186,6 +1368,31 @@
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+      "resolved": "https://registry.npmjs.org/@tanstack/react-virtual/-/react-virtual-3.13.12.tgz",
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+      },
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+        "url": "https://github.com/sponsors/tannerlinsley"
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+        "react-dom": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
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+    "node_modules/@tanstack/virtual-core": {
+      "version": "3.13.12",
+      "resolved": "https://registry.npmjs.org/@tanstack/virtual-core/-/virtual-core-3.13.12.tgz",
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+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/tannerlinsley"
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@@ -1982,6 +2201,22 @@
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@@ -1997,6 +2232,11 @@
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@@ -2012,6 +2252,19 @@
         "url": "https://github.com/sponsors/ljharb"
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@@ -2234,12 +2515,28 @@
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       "integrity": "sha512-vYt7UD1U9Wg6138shLtLOvdAu+8DsC/ilFtEVHcH+wydcSpNE20AfSOduf6MkRFahL5FY7X1oU7nKVZFtfq8Fg==",
-      "dev": true,
       "engines": {
         "node": ">=6"
       }
     },
+    "node_modules/qs": {
+      "version": "6.5.3",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.3.tgz",
+      "integrity": "sha512-qxXIEh4pCGfHICj1mAJQ2/2XVZkjCDTcEgfoSQxc/fYivUZxTkk7L3bDBJSoNrEzXI17oUO5Dp07ktqE5KzczA==",
+      "engines": {
+        "node": ">=0.6"
+      }
+    },
+    "node_modules/querystring": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/querystring/-/querystring-0.2.0.tgz",
+      "integrity": "sha512-X/xY82scca2tau62i9mDyU9K+I+djTMUsvwf7xnUX5GLvVzgJybOJf4Y6o9Zx3oJK/LSXg5tTZBjwzqVPaPO2g==",
+      "deprecated": "The querystring API is considered Legacy. new code should use the URLSearchParams API instead.",
+      "engines": {
+        "node": ">=0.4.x"
+      }
+    },
     "node_modules/queue-microtask": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/queue-microtask/-/queue-microtask-1.2.3.tgz",
@@ -4800,6 +5339,19 @@
       "integrity": "sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==",
       "dev": true
     },
+    "node_modules/react-leaflet": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/react-leaflet/-/react-leaflet-5.0.0.tgz",
+      "integrity": "sha512-CWbTpr5vcHw5bt9i4zSlPEVQdTVcML390TjeDG0cK59z1ylexpqC6M1PJFjV8jD7CF+ACBFsLIDs6DRMoLEofw==",
+      "dependencies": {
+        "@react-leaflet/core": "^3.0.0"
+      },
+      "peerDependencies": {
+        "leaflet": "^1.9.0",
+        "react": "^19.0.0",
+        "react-dom": "^19.0.0"
+      }
+    },
     "node_modules/reflect.getprototypeof": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/reflect.getprototypeof/-/reflect.getprototypeof-1.0.10.tgz",
@@ -4842,6 +5394,37 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/request": {
+      "version": "2.88.0",
+      "resolved": "https://registry.npmjs.org/request/-/request-2.88.0.tgz",
+      "integrity": "sha512-NAqBSrijGLZdM0WZNsInLJpkJokL72XYjUpnB0iwsRgxh7dB6COrHnTBNwN0E+lHDAJzu7kLAkDeY08z2/A0hg==",
+      "deprecated": "request has been deprecated, see https://github.com/request/request/issues/3142",
+      "dependencies": {
+        "aws-sign2": "~0.7.0",
+        "aws4": "^1.8.0",
+        "caseless": "~0.12.0",
+        "combined-stream": "~1.0.6",
+        "extend": "~3.0.2",
+        "forever-agent": "~0.6.1",
+        "form-data": "~2.3.2",
+        "har-validator": "~5.1.0",
+        "http-signature": "~1.2.0",
+        "is-typedarray": "~1.0.0",
+        "isstream": "~0.1.2",
+        "json-stringify-safe": "~5.0.1",
+        "mime-types": "~2.1.19",
+        "oauth-sign": "~0.9.0",
+        "performance-now": "^2.1.0",
+        "qs": "~6.5.2",
+        "safe-buffer": "^5.1.2",
+        "tough-cookie": "~2.4.3",
+        "tunnel-agent": "^0.6.0",
+        "uuid": "^3.3.2"
+      },
+      "engines": {
+        "node": ">= 4"
+      }
+    },
     "node_modules/resolve": {
       "version": "1.22.10",
       "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.22.10.tgz",
@@ -4932,6 +5515,25 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/safe-buffer": {
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+      "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ]
+    },
     "node_modules/safe-push-apply": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/safe-push-apply/-/safe-push-apply-1.0.0.tgz",
@@ -4965,6 +5567,11 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/safer-buffer": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
+    },
     "node_modules/scheduler": {
       "version": "0.26.0",
       "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.26.0.tgz",
@@ -5179,6 +5786,30 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/sshpk": {
+      "version": "1.18.0",
+      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.18.0.tgz",
+      "integrity": "sha512-2p2KJZTSqQ/I3+HX42EpYOa2l3f8Erv8MWKsy2I9uf4wA7yFIkXRffYdsx86y6z4vHtV8u7g+pPlr8/4ouAxsQ==",
+      "dependencies": {
+        "asn1": "~0.2.3",
+        "assert-plus": "^1.0.0",
+        "bcrypt-pbkdf": "^1.0.0",
+        "dashdash": "^1.12.0",
+        "ecc-jsbn": "~0.1.1",
+        "getpass": "^0.1.1",
+        "jsbn": "~0.1.0",
+        "safer-buffer": "^2.0.2",
+        "tweetnacl": "~0.14.0"
+      },
+      "bin": {
+        "sshpk-conv": "bin/sshpk-conv",
+        "sshpk-sign": "bin/sshpk-sign",
+        "sshpk-verify": "bin/sshpk-verify"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/stable-hash": {
       "version": "0.0.5",
       "resolved": "https://registry.npmjs.org/stable-hash/-/stable-hash-0.0.5.tgz",
@@ -5198,6 +5829,11 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/stream2asynciter": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/stream2asynciter/-/stream2asynciter-1.0.3.tgz",
+      "integrity": "sha512-9/dEZW+LQjuW6ub5hmWi4n9Pn8W8qA8k7NAE1isecesA164e73xTdy1CJ3S9o9YS+O21HuiK7T+4uS7FgKDy4w=="
+    },
     "node_modules/streamsearch": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/streamsearch/-/streamsearch-1.1.0.tgz",
@@ -5380,6 +6016,11 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/tabbable": {
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/tabbable/-/tabbable-6.2.0.tgz",
+      "integrity": "sha512-Cat63mxsVJlzYvN51JmVXIgNoUokrIaT2zLclCXjRd8boZ0004U4KCs/sToJ75C6sdlByWxpYnb5Boif1VSFew=="
+    },
     "node_modules/tailwind-merge": {
       "version": "3.3.1",
       "resolved": "https://registry.npmjs.org/tailwind-merge/-/tailwind-merge-3.3.1.tgz",
@@ -5421,6 +6062,11 @@
         "node": ">=18"
       }
     },
+    "node_modules/through": {
+      "version": "2.3.8",
+      "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
+      "integrity": "sha512-w89qg7PI8wAdvX60bMDP+bFoD5Dvhm9oLheFp5O4a2QF0cSBGsBX4qZmadPMvVqlLJBBci+WqGGOAPvcDeNSVg=="
+    },
     "node_modules/tinyglobby": {
       "version": "0.2.14",
       "resolved": "https://registry.npmjs.org/tinyglobby/-/tinyglobby-0.2.14.tgz",
@@ -5475,6 +6121,23 @@
         "node": ">=8.0"
       }
     },
+    "node_modules/tough-cookie": {
+      "version": "2.4.3",
+      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
+      "integrity": "sha512-Q5srk/4vDM54WJsJio3XNn6K2sCG+CQ8G5Wz6bZhRZoAe/+TxjWB/GlFAnYEbkYVlON9FMk/fE3h2RLpPXo4lQ==",
+      "dependencies": {
+        "psl": "^1.1.24",
+        "punycode": "^1.4.1"
+      },
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
+    "node_modules/tough-cookie/node_modules/punycode": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
+      "integrity": "sha512-jmYNElW7yvO7TV33CjSmvSiE2yco3bV2czu/OzDKdMNVZQWfxCblURLhf+47syQRBntjfLdd/H0egrzIG+oaFQ=="
+    },
     "node_modules/ts-api-utils": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/ts-api-utils/-/ts-api-utils-2.1.0.tgz",
@@ -5504,6 +6167,22 @@
       "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
       "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w=="
     },
+    "node_modules/tsv": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/tsv/-/tsv-0.2.0.tgz",
+      "integrity": "sha512-GG6xbOP85giXXom0dS6z9uyDsxktznjpa1AuDlPrIXDqDnbhjr9Vk6Us8iz6U1nENL4CPS2jZDvIjEdaZsmc4Q=="
+    },
+    "node_modules/tunnel-agent": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
+      "integrity": "sha512-McnNiV1l8RYeY8tBgEpuodCC1mLUdbSN+CYBL7kJsJNInOP8UjDDEwdk6Mw60vdLLrr5NHKZhMAOSrR2NZuQ+w==",
+      "dependencies": {
+        "safe-buffer": "^5.0.1"
+      },
+      "engines": {
+        "node": "*"
+      }
+    },
     "node_modules/tw-animate-css": {
       "version": "1.3.4",
       "resolved": "https://registry.npmjs.org/tw-animate-css/-/tw-animate-css-1.3.4.tgz",
@@ -5513,6 +6192,11 @@
         "url": "https://github.com/sponsors/Wombosvideo"
       }
     },
+    "node_modules/tweetnacl": {
+      "version": "0.14.5",
+      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
+      "integrity": "sha512-KXXFFdAbFXY4geFIwoyNK+f5Z1b7swfXABfL7HXCmoIWMKU3dmS26672A4EeQtDzLKy7SXmfBu51JolvEKwtGA=="
+    },
     "node_modules/type-check": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
@@ -5674,11 +6358,40 @@
       "version": "4.4.1",
       "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
       "integrity": "sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==",
-      "dev": true,
       "dependencies": {
         "punycode": "^2.1.0"
       }
     },
+    "node_modules/use-sync-external-store": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/use-sync-external-store/-/use-sync-external-store-1.5.0.tgz",
+      "integrity": "sha512-Rb46I4cGGVBmjamjphe8L/UnvJD+uPPtTkNvX5mZgqdbavhI4EbgIWJiIHXJ8bc/i9EQGPRh4DwEURJ552Do0A==",
+      "peerDependencies": {
+        "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
+      }
+    },
+    "node_modules/uuid": {
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
+      "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==",
+      "deprecated": "Please upgrade  to version 7 or higher.  Older versions may use Math.random() in certain circumstances, which is known to be problematic.  See https://v8.dev/blog/math-random for details.",
+      "bin": {
+        "uuid": "bin/uuid"
+      }
+    },
+    "node_modules/verror": {
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
+      "integrity": "sha512-ZZKSmDAEFOijERBLkmYfJ+vmk3w+7hOLYDNkRCuRuMJGEmqYNCNLyBBFwWKVMhfwaEF3WOd0Zlw86U/WC/+nYw==",
+      "engines": [
+        "node >=0.6.0"
+      ],
+      "dependencies": {
+        "assert-plus": "^1.0.0",
+        "core-util-is": "1.0.2",
+        "extsprintf": "^1.2.0"
+      }
+    },
     "node_modules/which": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
diff --git a/package.json b/package.json
index 5e45423..f681301 100644
--- a/package.json
+++ b/package.json
@@ -9,12 +9,19 @@
     "lint": "next lint"
   },
   "dependencies": {
+    "@headlessui/react": "^2.2.4",
+    "@heroicons/react": "^2.2.0",
+    "@types/leaflet": "^1.9.19",
     "class-variance-authority": "^0.7.1",
+    "clickhouse": "^2.6.0",
     "clsx": "^2.1.1",
+    "leaflet": "^1.9.4",
     "lucide-react": "^0.525.0",
     "next": "15.3.4",
+    "next-themes": "^0.4.6",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
+    "react-leaflet": "^5.0.0",
     "tailwind-merge": "^3.3.1"
   },
   "devDependencies": {
diff --git a/src/app/page.tsx b/src/app/page.tsx
index e68abe6..3932fa3 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -1,103 +1,21 @@
-import Image from "next/image";
+import MapWithChat from "../components/MapWithChat";
+import { clickhouse } from "../lib/clickhouse";
 
-export default function Home() {
-  return (
-    <div className="grid grid-rows-[20px_1fr_20px] items-center justify-items-center min-h-screen p-8 pb-20 gap-16 sm:p-20 font-[family-name:var(--font-geist-sans)]">
-      <main className="flex flex-col gap-[32px] row-start-2 items-center sm:items-start">
-        <Image
-          className="dark:invert"
-          src="/next.svg"
-          alt="Next.js logo"
-          width={180}
-          height={38}
-          priority
-        />
-        <ol className="list-inside list-decimal text-sm/6 text-center sm:text-left font-[family-name:var(--font-geist-mono)]">
-          <li className="mb-2 tracking-[-.01em]">
-            Get started by editing{" "}
-            <code className="bg-black/[.05] dark:bg-white/[.06] px-1 py-0.5 rounded font-[family-name:var(--font-geist-mono)] font-semibold">
-              src/app/page.tsx
-            </code>
-            .
-          </li>
-          <li className="tracking-[-.01em]">
-            Save and see your changes instantly.
-          </li>
-        </ol>
-
-        <div className="flex gap-4 items-center flex-col sm:flex-row">
-          <a
-            className="rounded-full border border-solid border-transparent transition-colors flex items-center justify-center bg-foreground text-background gap-2 hover:bg-[#383838] dark:hover:bg-[#ccc] font-medium text-sm sm:text-base h-10 sm:h-12 px-4 sm:px-5 sm:w-auto"
-            href="https://vercel.com/new?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            <Image
-              className="dark:invert"
-              src="/vercel.svg"
-              alt="Vercel logomark"
-              width={20}
-              height={20}
-            />
-            Deploy now
-          </a>
-          <a
-            className="rounded-full border border-solid border-black/[.08] dark:border-white/[.145] transition-colors flex items-center justify-center hover:bg-[#f2f2f2] dark:hover:bg-[#1a1a1a] hover:border-transparent font-medium text-sm sm:text-base h-10 sm:h-12 px-4 sm:px-5 w-full sm:w-auto md:w-[158px]"
-            href="https://nextjs.org/docs?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            Read our docs
-          </a>
-        </div>
-      </main>
-      <footer className="row-start-3 flex gap-[24px] flex-wrap items-center justify-center">
-        <a
-          className="flex items-center gap-2 hover:underline hover:underline-offset-4"
-          href="https://nextjs.org/learn?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          <Image
-            aria-hidden
-            src="/file.svg"
-            alt="File icon"
-            width={16}
-            height={16}
-          />
-          Learn
-        </a>
-        <a
-          className="flex items-center gap-2 hover:underline hover:underline-offset-4"
-          href="https://vercel.com/templates?framework=next.js&utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          <Image
-            aria-hidden
-            src="/window.svg"
-            alt="Window icon"
-            width={16}
-            height={16}
-          />
-          Examples
-        </a>
-        <a
-          className="flex items-center gap-2 hover:underline hover:underline-offset-4"
-          href="https://nextjs.org?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          <Image
-            aria-hidden
-            src="/globe.svg"
-            alt="Globe icon"
-            width={16}
-            height={16}
-          />
-          Go to nextjs.org →
-        </a>
-      </footer>
-    </div>
-  );
+// --- Server action ---
+export async function getNodePositions() {
+  const rows = await clickhouse.query(
+    "SELECT from_node_id, latitude, longitude, altitude, last_seen FROM meshtastic_position_latest"
+  ).toPromise();
+  return rows as Array<{
+    from_node_id: string;
+    latitude: number;
+    longitude: number;
+    altitude?: number;
+    last_seen?: string;
+  }>;
+}
+
+export default async function Home() {
+  const nodePositions = await getNodePositions();
+  return <MapWithChat nodePositions={nodePositions} />;
 }
diff --git a/src/components/ChatBox.tsx b/src/components/ChatBox.tsx
new file mode 100644
index 0000000..6fd6c04
--- /dev/null
+++ b/src/components/ChatBox.tsx
@@ -0,0 +1,35 @@
+"use client";
+import { useState } from "react";
+
+export default function ChatBox() {
+  const [value, setValue] = useState("");
+  return (
+    <div className="w-80 bg-white dark:bg-neutral-900 rounded-lg shadow-lg p-4 flex flex-col h-96">
+      <div className="flex-1 overflow-y-auto mb-2 text-sm text-gray-700 dark:text-gray-200">
+        <div className="text-gray-400 text-center mt-8">Chat coming soon...</div>
+      </div>
+      <form
+        className="flex gap-2"
+        onSubmit={e => {
+          e.preventDefault();
+          setValue("");
+        }}
+      >
+        <input
+          className="flex-1 border rounded px-2 py-1 bg-neutral-100 dark:bg-neutral-800 text-black dark:text-white"
+          placeholder="Type a message..."
+          value={value}
+          onChange={e => setValue(e.target.value)}
+          disabled
+        />
+        <button
+          type="submit"
+          className="bg-blue-600 text-white px-3 py-1 rounded disabled:opacity-50"
+          disabled
+        >
+          Send
+        </button>
+      </form>
+    </div>
+  );
+} 
\ No newline at end of file
diff --git a/src/components/ConfigContext.tsx b/src/components/ConfigContext.tsx
new file mode 100644
index 0000000..4ffe8ec
--- /dev/null
+++ b/src/components/ConfigContext.tsx
@@ -0,0 +1,113 @@
+"use client";
+import React, { createContext, useContext, useState, useEffect, ReactNode, useRef } from "react";
+
+interface Config {
+  theme: "light" | "dark";
+  // Add more config options as needed
+}
+
+interface ConfigContextType {
+  config: Config;
+  setConfig: (config: Config) => void;
+  openConfig: () => void;
+}
+
+const defaultConfig: Config = {
+  theme: "light",
+};
+
+const ConfigContext = createContext<ConfigContextType | undefined>(undefined);
+
+export function ConfigProvider({ children }: { children: ReactNode }) {
+  const [config, setConfigState] = useState<Config>(defaultConfig);
+  const [showPopover, setShowPopover] = useState(false);
+  const buttonRef = useRef<HTMLButtonElement | null>(null);
+  const popoverRef = useRef<HTMLDivElement | null>(null);
+
+  useEffect(() => {
+    const stored = localStorage.getItem("globalConfig");
+    if (stored) setConfigState(JSON.parse(stored));
+  }, []);
+
+  useEffect(() => {
+    localStorage.setItem("globalConfig", JSON.stringify(config));
+  }, [config]);
+
+  // Close popover on outside click or Escape
+  useEffect(() => {
+    if (!showPopover) return;
+    function onClick(e: MouseEvent) {
+      if (
+        popoverRef.current &&
+        !popoverRef.current.contains(e.target as Node) &&
+        buttonRef.current &&
+        !buttonRef.current.contains(e.target as Node)
+      ) {
+        setShowPopover(false);
+      }
+    }
+    function onKey(e: KeyboardEvent) {
+      if (e.key === "Escape") setShowPopover(false);
+    }
+    document.addEventListener("mousedown", onClick);
+    document.addEventListener("keydown", onKey);
+    return () => {
+      document.removeEventListener("mousedown", onClick);
+      document.removeEventListener("keydown", onKey);
+    };
+  }, [showPopover]);
+
+  const setConfig = (newConfig: Config) => setConfigState(newConfig);
+  const openConfig = () => setShowPopover(v => !v);
+
+  // Provide ref to button for Header
+  const contextValue = React.useMemo(() => ({ config, setConfig, openConfig }), [config]);
+
+  return (
+    <ConfigContext.Provider value={contextValue}>
+      {/* Clone header to inject ref */}
+      {React.Children.map(children, child => {
+        if (
+          React.isValidElement(child) &&
+          child.type &&
+          (child as any).type.name === "Header"
+        ) {
+          return React.cloneElement(child, { configButtonRef: buttonRef });
+        }
+        return child;
+      })}
+      {/* Popover */}
+      {showPopover && (
+        <div
+          ref={popoverRef}
+          style={{
+            position: "absolute",
+            top: buttonRef.current?.getBoundingClientRect().bottom ?? 60,
+            left: buttonRef.current?.getBoundingClientRect().right ?? window.innerWidth - 300,
+            zIndex: 1000,
+          }}
+          className="fixed bg-white dark:bg-neutral-900 p-6 rounded shadow-lg min-w-[300px] border border-neutral-200 dark:border-neutral-700"
+        >
+          <h2 className="text-lg font-bold mb-4">Configuration</h2>
+          <label className="block mb-2">
+            Theme:
+            <select
+              value={config.theme}
+              onChange={e => setConfig({ ...config, theme: e.target.value as Config["theme"] })}
+              className="ml-2 border rounded px-2 py-1"
+            >
+              <option value="light">Light</option>
+              <option value="dark">Dark</option>
+            </select>
+          </label>
+        </div>
+      )}
+    </ConfigContext.Provider>
+  );
+}
+
+export function useConfig() {
+  const ctx = useContext(ConfigContext);
+  if (!ctx) throw new Error("useConfig must be used within a ConfigProvider");
+  return ctx;
+} 
\ No newline at end of file
diff --git a/src/components/Header.tsx b/src/components/Header.tsx
new file mode 100644
index 0000000..71d1cee
--- /dev/null
+++ b/src/components/Header.tsx
@@ -0,0 +1,31 @@
+"use client";
+import Link from "next/link";
+import { Cog6ToothIcon } from "@heroicons/react/24/outline";
+import { useConfig } from "./ConfigContext";
+import React from "react";
+
+interface HeaderProps {
+  configButtonRef?: React.Ref<HTMLButtonElement>;
+}
+
+export default function Header({ configButtonRef }: HeaderProps) {
+  const { openConfig } = useConfig();
+  return (
+    <header className="w-full flex items-center justify-between px-6 py-3 bg-white dark:bg-neutral-900 shadow z-20">
+      <nav className="flex gap-6 items-center">
+        <Link href="/" className="font-bold text-lg">MeshExplorer</Link>
+        <Link href="/about">About</Link>
+        <Link href="/docs">Docs</Link>
+      </nav>
+      <button
+        ref={configButtonRef}
+        onClick={openConfig}
+        className="flex items-center gap-2 px-3 py-2 rounded hover:bg-neutral-100 dark:hover:bg-neutral-800"
+        aria-label="Open configuration menu"
+      >
+        <Cog6ToothIcon className="h-6 w-6" />
+        <span className="hidden sm:inline">Config</span>
+      </button>
+    </header>
+  );
+} 
\ No newline at end of file
diff --git a/src/components/MapView.tsx b/src/components/MapView.tsx
new file mode 100644
index 0000000..7b802f9
--- /dev/null
+++ b/src/components/MapView.tsx
@@ -0,0 +1,98 @@
+"use client";
+import { MapContainer, TileLayer, useMapEvents, Marker, Popup } from "react-leaflet";
+import { useRouter, useSearchParams } from "next/navigation";
+import { useEffect, useMemo, useRef } from "react";
+
+const DEFAULT = {
+  lat: 47.6062, // Seattle
+  lng: -122.3321,
+  zoom: 12,
+};
+
+function parseQuery(searchParams: ReturnType<typeof useSearchParams>) {
+  const lat = parseFloat(searchParams.get("lat") || "");
+  const lng = parseFloat(searchParams.get("lng") || "");
+  const zoom = parseInt(searchParams.get("zoom") || "");
+  return {
+    lat: isNaN(lat) ? DEFAULT.lat : lat,
+    lng: isNaN(lng) ? DEFAULT.lng : lng,
+    zoom: isNaN(zoom) ? DEFAULT.zoom : zoom,
+  };
+}
+
+function MapSync() {
+  const map = useMapEvents({});
+  const router = useRouter();
+  const searchParams = useSearchParams();
+  const last = useRef({ lat: 0, lng: 0, zoom: 0 });
+
+  useEffect(() => {
+    const onMove = () => {
+      const center = map.getCenter();
+      const zoom = map.getZoom();
+      if (
+        Math.abs(center.lat - last.current.lat) > 1e-6 ||
+        Math.abs(center.lng - last.current.lng) > 1e-6 ||
+        zoom !== last.current.zoom
+      ) {
+        last.current = { lat: center.lat, lng: center.lng, zoom };
+        const params = new URLSearchParams(searchParams.toString());
+        params.set("lat", center.lat.toFixed(5));
+        params.set("lng", center.lng.toFixed(5));
+        params.set("zoom", String(zoom));
+        router.replace("?" + params.toString(), { scroll: false });
+      }
+    };
+    map.on("moveend", onMove);
+    map.on("zoomend", onMove);
+    return () => {
+      map.off("moveend", onMove);
+      map.off("zoomend", onMove);
+    };
+  }, [map, router, searchParams]);
+  return null;
+}
+
+type NodePosition = {
+  from_node_id: string;
+  latitude: number;
+  longitude: number;
+  altitude?: number;
+  last_seen?: string;
+};
+
+interface MapViewProps {
+  nodePositions?: NodePosition[];
+}
+
+export default function MapView({ nodePositions = [] }: MapViewProps) {
+  const searchParams = useSearchParams();
+  const { lat, lng, zoom } = useMemo(() => parseQuery(searchParams), [searchParams]);
+  return (
+    <MapContainer
+      center={[lat, lng]}
+      zoom={zoom}
+      style={{ width: "100%", height: "100%", zIndex: 1 }}
+      className="bg-gray-200"
+    >
+      <TileLayer
+        attribution='&copy; OpenStreetMap contributors'
+        url="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"
+      />
+      {nodePositions.map((node) => (
+        <Marker key={node.from_node_id} position={[node.latitude, node.longitude]}>
+          <Popup>
+            <div>
+              <div><b>ID:</b> {node.from_node_id}</div>
+              <div><b>Lat:</b> {node.latitude}</div>
+              <div><b>Lng:</b> {node.longitude}</div>
+              {node.altitude !== undefined && <div><b>Alt:</b> {node.altitude}</div>}
+              {node.last_seen && <div><b>Last seen:</b> {node.last_seen}</div>}
+            </div>
+          </Popup>
+        </Marker>
+      ))}
+      <MapSync />
+    </MapContainer>
+  );
+} 
\ No newline at end of file
diff --git a/src/components/MapWithChat.tsx b/src/components/MapWithChat.tsx
new file mode 100644
index 0000000..5c2c43f
--- /dev/null
+++ b/src/components/MapWithChat.tsx
@@ -0,0 +1,28 @@
+"use client";
+import MapView from "./MapView";
+import ChatBox from "./ChatBox";
+
+type NodePosition = {
+  from_node_id: string;
+  latitude: number;
+  longitude: number;
+  altitude?: number;
+  last_seen?: string;
+};
+
+interface MapWithChatProps {
+  nodePositions: NodePosition[];
+}
+
+export default function MapWithChat({ nodePositions }: MapWithChatProps) {
+  return (
+    <div className="flex flex-col h-[100dvh] w-screen overflow-hidden">
+      <div className="flex-1 relative">
+        <MapView nodePositions={nodePositions} />
+        <div className="absolute bottom-6 right-6 z-30">
+          <ChatBox />
+        </div>
+      </div>
+    </div>
+  );
+} 
\ No newline at end of file
diff --git a/src/lib/clickhouse.ts b/src/lib/clickhouse.ts
new file mode 100644
index 0000000..0279c08
--- /dev/null
+++ b/src/lib/clickhouse.ts
@@ -0,0 +1,14 @@
+import { ClickHouse } from 'clickhouse';
+
+const host = process.env.CLICKHOUSE_HOST || 'localhost';
+const port = process.env.CLICKHOUSE_PORT || '8123';
+const user = process.env.CLICKHOUSE_USER || 'default';
+const password = process.env.CLICKHOUSE_PASSWORD || 'password';
+
+export const clickhouse = new ClickHouse({
+  url: `http://${host}`,
+  port: Number(port),
+  basicAuth: { username: user, password },
+  isUseGzip: false,
+  format: 'json',
+}); 
\ No newline at end of file