diff --git a/backend/main.py b/backend/main.py
index cbef52d..ca3cdbc 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -85,13 +85,15 @@ app.add_middleware(
     allow_headers=["*"],
 )
 
-from routers import network, tasks, calendar, services, ws
+from routers import network, tasks, calendar, services, ws, admin
 
+admin.init(app_config)
 app.include_router(network.router)
 app.include_router(tasks.router)
 app.include_router(calendar.router)
 app.include_router(services.router)
 app.include_router(ws.router)
+app.include_router(admin.router)
 
 
 @app.get("/api/health")
diff --git a/backend/modules/config_manager.py b/backend/modules/config_manager.py
index e18650f..d809583 100644
--- a/backend/modules/config_manager.py
+++ b/backend/modules/config_manager.py
@@ -1,3 +1,4 @@
+import os
 from pathlib import Path
 from typing import Any
 
@@ -18,6 +19,12 @@ class ConfigManager:
         with open(p) as f:
             return yaml.safe_load(f) or {}
 
+    def _save_yaml(self, path: str, data: dict[str, Any]) -> None:
+        tmp = path + ".tmp"
+        with open(tmp, "w") as f:
+            yaml.dump(data, f, default_flow_style=False, allow_unicode=True, sort_keys=False)
+        os.replace(tmp, path)
+
     def get_settings(self) -> dict[str, Any]:
         if not self._settings:
             self._settings = self._load_yaml(self._settings_path)
@@ -26,7 +33,7 @@ class ConfigManager:
     def get_nodes(self) -> list[dict[str, Any]]:
         if not self._services:
             self._services = self._load_yaml(self._services_path)
-        return self._services.get("nodes", [])
+        return list(self._services.get("nodes", []))
 
     def get_node_by_ip(self, ip: str) -> dict[str, Any] | None:
         for node in self.get_nodes():
@@ -39,6 +46,21 @@ class ConfigManager:
             self._services = self._load_yaml(self._services_path)
         return self._services.get("network_scan", {})
 
+    def update_settings(self, section: str, values: dict[str, Any]) -> dict[str, Any]:
+        settings = self._load_yaml(self._settings_path)
+        if section not in settings:
+            settings[section] = {}
+        settings[section].update(values)
+        self._save_yaml(self._settings_path, settings)
+        self._settings = {}
+        return settings[section]
+
+    def save_nodes(self, nodes: list[dict[str, Any]]) -> None:
+        services = self._load_yaml(self._services_path)
+        services["nodes"] = nodes
+        self._save_yaml(self._services_path, services)
+        self._services = {}
+
     def reload(self) -> None:
         self._settings = {}
         self._services = {}
diff --git a/backend/routers/admin.py b/backend/routers/admin.py
new file mode 100644
index 0000000..1da66b7
--- /dev/null
+++ b/backend/routers/admin.py
@@ -0,0 +1,121 @@
+from fastapi import APIRouter, HTTPException
+from pydantic import BaseModel
+
+from modules.config_manager import ConfigManager
+from routers.ws import broadcast
+
+router = APIRouter(prefix="/api/admin", tags=["admin"])
+
+# Will be set from main.py
+config: ConfigManager = None  # type: ignore
+
+
+def init(cfg: ConfigManager) -> None:
+    global config
+    config = cfg
+
+
+# ── Pydantic models ─────────────────────────────────────────
+
+class DisplaySettings(BaseModel):
+    resolution: str | None = None
+    rotation_interval_seconds: int | None = None
+    transition: str | None = None
+    theme: str | None = None
+    active_views: list[str] | None = None
+
+
+class OdooSettings(BaseModel):
+    url: str | None = None
+    database: str | None = None
+    username: str | None = None
+    password: str | None = None
+    exclude_company_ids: list[int] | None = None
+
+
+class RefreshSettings(BaseModel):
+    odoo_minutes: int | None = None
+    network_minutes: int | None = None
+    ping_seconds: int | None = None
+
+
+class NodeModel(BaseModel):
+    name: str
+    ip: str
+    username: str | None = None
+    password: str | None = None
+    public_url: str | None = None
+    icon: str = "device"
+    type: str | None = None
+    parent: str | None = None
+    connections: list[str] = []
+
+
+# ── Settings endpoints ──────────────────────────────────────
+
+@router.get("/settings")
+async def get_settings():
+    return config.get_settings()
+
+
+@router.put("/settings/display")
+async def update_display(body: DisplaySettings):
+    values = body.model_dump(exclude_none=True)
+    result = config.update_settings("display", values)
+    await broadcast("config_changed", {"section": "display"})
+    return result
+
+
+@router.put("/settings/odoo")
+async def update_odoo(body: OdooSettings):
+    values = body.model_dump(exclude_none=True)
+    result = config.update_settings("odoo", values)
+    await broadcast("config_changed", {"section": "odoo"})
+    return result
+
+
+@router.put("/settings/refresh")
+async def update_refresh(body: RefreshSettings):
+    values = body.model_dump(exclude_none=True)
+    result = config.update_settings("refresh", values)
+    await broadcast("config_changed", {"section": "refresh"})
+    return result
+
+
+# ── Node endpoints ──────────────────────────────────────────
+
+@router.get("/nodes")
+async def get_nodes():
+    return config.get_nodes()
+
+
+@router.post("/nodes", status_code=201)
+async def add_node(body: NodeModel):
+    nodes = config.get_nodes()
+    for n in nodes:
+        if n["ip"] == body.ip:
+            raise HTTPException(400, f"Node with IP {body.ip} already exists")
+    nodes.append(body.model_dump(exclude_none=True))
+    config.save_nodes(nodes)
+    await broadcast("config_changed", {"section": "nodes"})
+    return body.model_dump(exclude_none=True)
+
+
+@router.put("/nodes")
+async def replace_nodes(body: list[NodeModel]):
+    nodes = [n.model_dump(exclude_none=True) for n in body]
+    config.save_nodes(nodes)
+    await broadcast("config_changed", {"section": "nodes"})
+    return nodes
+
+
+@router.delete("/nodes/{ip}")
+async def delete_node(ip: str):
+    nodes = config.get_nodes()
+    original_len = len(nodes)
+    nodes = [n for n in nodes if n.get("ip") != ip]
+    if len(nodes) == original_len:
+        raise HTTPException(404, f"Node with IP {ip} not found")
+    config.save_nodes(nodes)
+    await broadcast("config_changed", {"section": "nodes"})
+    return {"deleted": ip}
diff --git a/backend/routers/network.py b/backend/routers/network.py
index 690e8b2..d57c8ad 100644
--- a/backend/routers/network.py
+++ b/backend/routers/network.py
@@ -1,3 +1,5 @@
+import asyncio
+
 from fastapi import APIRouter, Depends
 from modules.config_manager import ConfigManager
 from modules.network_scanner import NetworkScanner
@@ -19,7 +21,7 @@ async def get_topology(config: ConfigManager = Depends(get_config)):
 
     if scan_config.get("enabled", False):
         try:
-            scan_data = scanner.scan()
+            scan_data = await asyncio.to_thread(scanner.scan)
             discovered = scanner.parse_scan_results(scan_data)
             nodes = scanner.merge_with_config(discovered, configured_nodes)
         except Exception:
diff --git a/frontend/nginx.conf b/frontend/nginx.conf
index d732931..abbc8da 100644
--- a/frontend/nginx.conf
+++ b/frontend/nginx.conf
@@ -3,8 +3,15 @@ server {
     root /usr/share/nginx/html;
     index index.html;
 
+    # SPA fallback: all paths serve index.html with no-cache
     location / {
         try_files $uri $uri/ /index.html;
+        add_header Cache-Control "no-store, no-cache, must-revalidate";
+    }
+
+    # Hashed static assets: cache forever (filename changes on rebuild)
+    location /assets/ {
+        add_header Cache-Control "public, max-age=31536000, immutable";
     }
 
     location /api/ {
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 485ac48..d1d08ed 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -8,11 +8,10 @@
       "name": "frontend",
       "version": "0.0.0",
       "dependencies": {
-        "@types/d3": "^7.4.3",
-        "d3": "^7.9.0",
         "framer-motion": "^12.34.0",
         "react": "^19.2.4",
-        "react-dom": "^19.2.4"
+        "react-dom": "^19.2.4",
+        "react-router-dom": "^7.13.0"
       },
       "devDependencies": {
         "@tailwindcss/vite": "^4.1.18",
@@ -1377,239 +1376,12 @@
         "@babel/types": "^7.28.2"
       }
     },
-    "node_modules/@types/d3": {
-      "version": "7.4.3",
-      "resolved": "https://registry.npmjs.org/@types/d3/-/d3-7.4.3.tgz",
-      "integrity": "sha512-lZXZ9ckh5R8uiFVt8ogUNf+pIrK4EsWrx2Np75WvF/eTpJ0FMHNhjXk8CKEx/+gpHbNQyJWehbFaTvqmHWB3ww==",
-      "dependencies": {
-        "@types/d3-array": "*",
-        "@types/d3-axis": "*",
-        "@types/d3-brush": "*",
-        "@types/d3-chord": "*",
-        "@types/d3-color": "*",
-        "@types/d3-contour": "*",
-        "@types/d3-delaunay": "*",
-        "@types/d3-dispatch": "*",
-        "@types/d3-drag": "*",
-        "@types/d3-dsv": "*",
-        "@types/d3-ease": "*",
-        "@types/d3-fetch": "*",
-        "@types/d3-force": "*",
-        "@types/d3-format": "*",
-        "@types/d3-geo": "*",
-        "@types/d3-hierarchy": "*",
-        "@types/d3-interpolate": "*",
-        "@types/d3-path": "*",
-        "@types/d3-polygon": "*",
-        "@types/d3-quadtree": "*",
-        "@types/d3-random": "*",
-        "@types/d3-scale": "*",
-        "@types/d3-scale-chromatic": "*",
-        "@types/d3-selection": "*",
-        "@types/d3-shape": "*",
-        "@types/d3-time": "*",
-        "@types/d3-time-format": "*",
-        "@types/d3-timer": "*",
-        "@types/d3-transition": "*",
-        "@types/d3-zoom": "*"
-      }
-    },
-    "node_modules/@types/d3-array": {
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-      "resolved": "https://registry.npmjs.org/d3-zoom/-/d3-zoom-3.0.0.tgz",
-      "integrity": "sha512-b8AmV3kfQaqWAuacbPuNbL6vahnOJflOhexLzMMNLga62+/nh0JzvJ0aO/5a5MVgUFGS7Hu1P9P03o3fJkDCyw==",
-      "dependencies": {
-        "d3-dispatch": "1 - 3",
-        "d3-drag": "2 - 3",
-        "d3-interpolate": "1 - 3",
-        "d3-selection": "2 - 3",
-        "d3-transition": "2 - 3"
-      },
-      "engines": {
-        "node": ">=12"
-      }
-    },
     "node_modules/debug": {
       "version": "4.4.3",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
@@ -2117,14 +1523,6 @@
         }
       }
     },
-    "node_modules/delaunator": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/delaunator/-/delaunator-5.0.1.tgz",
-      "integrity": "sha512-8nvh+XBe96aCESrGOqMp/84b13H9cdKbG5P2ejQCh4d4sK9RL4371qou9drQjMhvnPmhWl5hnmqbEE0fXr9Xnw==",
-      "dependencies": {
-        "robust-predicates": "^3.0.2"
-      }
-    },
     "node_modules/detect-libc": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-2.1.2.tgz",
@@ -2275,25 +1673,6 @@
       "integrity": "sha512-RbJ5/jmFcNNCcDV5o9eTnBLJ/HszWV0P73bc+Ff4nS/rJj+YaS6IGyiOL0VoBYX+l1Wrl3k63h/KrH+nhJ0XvQ==",
       "dev": true
     },
-    "node_modules/iconv-lite": {
-      "version": "0.6.3",
-      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz",
-      "integrity": "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==",
-      "dependencies": {
-        "safer-buffer": ">= 2.1.2 < 3.0.0"
-      },
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
-    "node_modules/internmap": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/internmap/-/internmap-2.0.3.tgz",
-      "integrity": "sha512-5Hh7Y1wQbvY5ooGgPbDaL5iYLAPzMTUrjMulskHLH6wnv/A+1q5rgEaiuqEjB+oxGXIVZs1FF+R/KPN3ZSQYYg==",
-      "engines": {
-        "node": ">=12"
-      }
-    },
     "node_modules/jiti": {
       "version": "2.6.1",
       "resolved": "https://registry.npmjs.org/jiti/-/jiti-2.6.1.tgz",
@@ -2717,10 +2096,41 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/robust-predicates": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/robust-predicates/-/robust-predicates-3.0.2.tgz",
-      "integrity": "sha512-IXgzBWvWQwE6PrDI05OvmXUIruQTcoMDzRsOd5CDvHCVLcLHMTSYvOK5Cm46kWqlV3yAbuSpBZdJ5oP5OUoStg=="
+    "node_modules/react-router": {
+      "version": "7.13.0",
+      "resolved": "https://registry.npmjs.org/react-router/-/react-router-7.13.0.tgz",
+      "integrity": "sha512-PZgus8ETambRT17BUm/LL8lX3Of+oiLaPuVTRH3l1eLvSPpKO3AvhAEb5N7ihAFZQrYDqkvvWfFh9p0z9VsjLw==",
+      "dependencies": {
+        "cookie": "^1.0.1",
+        "set-cookie-parser": "^2.6.0"
+      },
+      "engines": {
+        "node": ">=20.0.0"
+      },
+      "peerDependencies": {
+        "react": ">=18",
+        "react-dom": ">=18"
+      },
+      "peerDependenciesMeta": {
+        "react-dom": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/react-router-dom": {
+      "version": "7.13.0",
+      "resolved": "https://registry.npmjs.org/react-router-dom/-/react-router-dom-7.13.0.tgz",
+      "integrity": "sha512-5CO/l5Yahi2SKC6rGZ+HDEjpjkGaG/ncEP7eWFTvFxbHP8yeeI0PxTDjimtpXYlR3b3i9/WIL4VJttPrESIf2g==",
+      "dependencies": {
+        "react-router": "7.13.0"
+      },
+      "engines": {
+        "node": ">=20.0.0"
+      },
+      "peerDependencies": {
+        "react": ">=18",
+        "react-dom": ">=18"
+      }
     },
     "node_modules/rollup": {
       "version": "4.57.1",
@@ -2766,16 +2176,6 @@
         "fsevents": "~2.3.2"
       }
     },
-    "node_modules/rw": {
-      "version": "1.3.3",
-      "resolved": "https://registry.npmjs.org/rw/-/rw-1.3.3.tgz",
-      "integrity": "sha512-PdhdWy89SiZogBLaw42zdeqtRJ//zFd2PgQavcICDUgJT5oW10QCRKbJ6bg4r0/UY2M6BWd5tkxuGFRvCkgfHQ=="
-    },
-    "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": "0.27.0",
       "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.27.0.tgz",
@@ -2790,6 +2190,11 @@
         "semver": "bin/semver.js"
       }
     },
+    "node_modules/set-cookie-parser": {
+      "version": "2.7.2",
+      "resolved": "https://registry.npmjs.org/set-cookie-parser/-/set-cookie-parser-2.7.2.tgz",
+      "integrity": "sha512-oeM1lpU/UvhTxw+g3cIfxXHyJRc/uidd3yK1P242gzHds0udQBYzs3y8j4gCCW+ZJ7ad0yctld8RYO+bdurlvw=="
+    },
     "node_modules/source-map-js": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.2.1.tgz",
diff --git a/frontend/package.json b/frontend/package.json
index 50ce482..23aafcd 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -20,6 +20,7 @@
   "dependencies": {
     "framer-motion": "^12.34.0",
     "react": "^19.2.4",
-    "react-dom": "^19.2.4"
+    "react-dom": "^19.2.4",
+    "react-router-dom": "^7.13.0"
   }
 }
diff --git a/frontend/src/App.tsx b/frontend/src/App.tsx
index 061a8b7..f3c7892 100644
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -1,4 +1,4 @@
-import { useCallback } from "react";
+import { useCallback, useMemo } from "react";
 import { Header } from "./components/Layout/Header";
 import { ViewRotator } from "./components/Layout/ViewRotator";
 import { NetworkGraph } from "./components/Topology/NetworkGraph";
@@ -14,7 +14,11 @@ import { useWebSocket } from "./hooks/useWebSocket";
 import { useRotation } from "./hooks/useRotation";
 import type { WSMessage } from "./types";
 
-const VIEW_NAMES = ["Topología de Red", "Proyectos", "Calendario"];
+const ALL_VIEWS = [
+  { id: "topology", label: "Topologia de Red" },
+  { id: "projects", label: "Proyectos" },
+  { id: "calendar", label: "Calendario" },
+];
 
 function LoadingScreen({ label }: { label: string }) {
   return (
@@ -28,10 +32,16 @@ function LoadingScreen({ label }: { label: string }) {
 }
 
 function App() {
-  const config = useDisplayConfig();
+  const { config, refetch: refetchConfig } = useDisplayConfig();
   const intervalMs = (config?.rotation_interval_seconds ?? 30) * 1000;
 
-  const activeView = useRotation(3, intervalMs);
+  const enabledViews = useMemo(() => {
+    const active = config?.active_views;
+    if (!active || active.length === 0) return ALL_VIEWS;
+    return ALL_VIEWS.filter((v) => active.includes(v.id));
+  }, [config?.active_views]);
+
+  const activeView = useRotation(enabledViews.length, intervalMs);
   const topology = useTopology();
   const tasks = useTasks();
   const calendar = useCalendar();
@@ -43,40 +53,48 @@ function App() {
       } else if (msg.type === "odoo_refresh") {
         tasks.refetch();
         calendar.refetch();
+      } else if (msg.type === "config_changed") {
+        refetchConfig();
+        topology.refetch();
+        tasks.refetch();
+        calendar.refetch();
       }
     },
-    [topology, tasks, calendar]
+    [topology, tasks, calendar, refetchConfig]
   );
 
   useWebSocket(handleWsMessage);
 
   const connected = !topology.error && !tasks.error && !calendar.error;
+  const currentView = enabledViews[activeView];
+
+  const viewContent: Record<string, React.ReactNode> = {
+    topology: topology.data ? (
+      <NetworkGraph nodes={topology.data.nodes} />
+    ) : (
+      <LoadingScreen label="Cargando topologia..." />
+    ),
+    projects: tasks.data ? (
+      <KanbanBoard projects={tasks.data.projects} />
+    ) : (
+      <LoadingScreen label="Cargando proyectos..." />
+    ),
+    calendar: calendar.data ? (
+      <CalendarView events={calendar.data.events} />
+    ) : (
+      <LoadingScreen label="Cargando calendario..." />
+    ),
+  };
 
   return (
     <div className="flex flex-col w-screen h-screen">
-      <Header viewName={VIEW_NAMES[activeView]} connected={connected} />
+      <Header viewName={currentView?.label ?? ""} connected={connected} />
       <ViewRotator activeView={activeView}>
-        <div className="h-full">
-          {topology.data ? (
-            <NetworkGraph nodes={topology.data.nodes} />
-          ) : (
-            <LoadingScreen label="Cargando topología..." />
-          )}
-        </div>
-        <div className="h-full">
-          {tasks.data ? (
-            <KanbanBoard projects={tasks.data.projects} />
-          ) : (
-            <LoadingScreen label="Cargando proyectos..." />
-          )}
-        </div>
-        <div className="h-full">
-          {calendar.data ? (
-            <CalendarView events={calendar.data.events} />
-          ) : (
-            <LoadingScreen label="Cargando calendario..." />
-          )}
-        </div>
+        {enabledViews.map((v) => (
+          <div key={v.id} className="h-full">
+            {viewContent[v.id]}
+          </div>
+        ))}
       </ViewRotator>
     </div>
   );
diff --git a/frontend/src/hooks/useOdooData.ts b/frontend/src/hooks/useOdooData.ts
index 22aee28..72fe66f 100644
--- a/frontend/src/hooks/useOdooData.ts
+++ b/frontend/src/hooks/useOdooData.ts
@@ -76,12 +76,20 @@ export function useCalendar(refreshMs: number = 300_000) {
 export function useDisplayConfig() {
   const [config, setConfig] = useState<DisplayConfig | null>(null);
 
-  useEffect(() => {
-    fetch("/api/services/config")
-      .then((r) => r.json())
-      .then((d) => setConfig(d.display))
-      .catch(() => {});
+  const refetch = useCallback(async () => {
+    try {
+      const res = await fetch("/api/services/config");
+      if (!res.ok) return;
+      const d = await res.json();
+      setConfig(d.display);
+    } catch {
+      // ignore
+    }
   }, []);
 
-  return config;
+  useEffect(() => {
+    refetch();
+  }, [refetch]);
+
+  return { config, refetch };
 }
diff --git a/frontend/src/hooks/useRotation.ts b/frontend/src/hooks/useRotation.ts
index fb0f4f3..7dc0fd3 100644
--- a/frontend/src/hooks/useRotation.ts
+++ b/frontend/src/hooks/useRotation.ts
@@ -4,6 +4,11 @@ export function useRotation(totalViews: number, intervalMs: number = 30_000) {
   const [activeView, setActiveView] = useState(0);
 
   useEffect(() => {
+    setActiveView(0);
+  }, [totalViews]);
+
+  useEffect(() => {
+    if (totalViews <= 1) return;
     const id = setInterval(() => {
       setActiveView((prev) => (prev + 1) % totalViews);
     }, intervalMs);
diff --git a/frontend/src/hooks/useWebSocket.ts b/frontend/src/hooks/useWebSocket.ts
index d2578a9..27d3406 100644
--- a/frontend/src/hooks/useWebSocket.ts
+++ b/frontend/src/hooks/useWebSocket.ts
@@ -4,6 +4,8 @@ import type { WSMessage } from "../types";
 export function useWebSocket(onMessage: (msg: WSMessage) => void) {
   const wsRef = useRef<WebSocket | null>(null);
   const reconnectTimeout = useRef<ReturnType<typeof setTimeout>>(undefined);
+  const onMessageRef = useRef(onMessage);
+  onMessageRef.current = onMessage;
 
   const connect = useCallback(() => {
     const protocol = window.location.protocol === "https:" ? "wss:" : "ws:";
@@ -12,7 +14,7 @@ export function useWebSocket(onMessage: (msg: WSMessage) => void) {
     ws.onmessage = (event) => {
       try {
         const msg: WSMessage = JSON.parse(event.data);
-        onMessage(msg);
+        onMessageRef.current(msg);
       } catch {
         // ignore malformed messages
       }
@@ -24,7 +26,7 @@ export function useWebSocket(onMessage: (msg: WSMessage) => void) {
 
     ws.onerror = () => ws.close();
     wsRef.current = ws;
-  }, [onMessage]);
+  }, []);
 
   useEffect(() => {
     connect();
diff --git a/frontend/src/lib/adminApi.ts b/frontend/src/lib/adminApi.ts
new file mode 100644
index 0000000..4f4746d
--- /dev/null
+++ b/frontend/src/lib/adminApi.ts
@@ -0,0 +1,67 @@
+import type {
+  AdminSettings,
+  DisplayConfig,
+  OdooConfig,
+  RefreshConfig,
+  NodeConfig,
+} from "../types";
+
+const BASE = "/api/admin";
+
+async function json<T>(res: Response): Promise<T> {
+  if (!res.ok) {
+    const text = await res.text().catch(() => res.statusText);
+    throw new Error(text);
+  }
+  return res.json();
+}
+
+// ── Settings ───────────────────────────────────────────────
+
+export const getSettings = () =>
+  fetch(`${BASE}/settings`).then((r) => json<AdminSettings>(r));
+
+export const updateDisplay = (values: Partial<DisplayConfig>) =>
+  fetch(`${BASE}/settings/display`, {
+    method: "PUT",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify(values),
+  }).then((r) => json<DisplayConfig>(r));
+
+export const updateOdoo = (values: Partial<OdooConfig>) =>
+  fetch(`${BASE}/settings/odoo`, {
+    method: "PUT",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify(values),
+  }).then((r) => json<OdooConfig>(r));
+
+export const updateRefresh = (values: Partial<RefreshConfig>) =>
+  fetch(`${BASE}/settings/refresh`, {
+    method: "PUT",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify(values),
+  }).then((r) => json<RefreshConfig>(r));
+
+// ── Nodes ──────────────────────────────────────────────────
+
+export const getNodes = () =>
+  fetch(`${BASE}/nodes`).then((r) => json<NodeConfig[]>(r));
+
+export const addNode = (node: NodeConfig) =>
+  fetch(`${BASE}/nodes`, {
+    method: "POST",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify(node),
+  }).then((r) => json<NodeConfig>(r));
+
+export const replaceNodes = (nodes: NodeConfig[]) =>
+  fetch(`${BASE}/nodes`, {
+    method: "PUT",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify(nodes),
+  }).then((r) => json<NodeConfig[]>(r));
+
+export const deleteNode = (ip: string) =>
+  fetch(`${BASE}/nodes/${encodeURIComponent(ip)}`, {
+    method: "DELETE",
+  }).then((r) => json<{ deleted: string }>(r));
diff --git a/frontend/src/main.tsx b/frontend/src/main.tsx
index 12fa35b..71462d0 100644
--- a/frontend/src/main.tsx
+++ b/frontend/src/main.tsx
@@ -2,9 +2,16 @@ import { StrictMode } from "react";
 import { createRoot } from "react-dom/client";
 import "./index.css";
 import App from "./App";
+import { AdminApp } from "./pages/admin/AdminApp";
+
+const isAdmin = window.location.pathname.startsWith("/admin");
+
+if (isAdmin) {
+  document.title = "Admin - TV Dashboard";
+}
 
 createRoot(document.getElementById("root")!).render(
   <StrictMode>
-    <App />
+    {isAdmin ? <AdminApp /> : <App />}
   </StrictMode>
 );
diff --git a/frontend/src/pages/admin/AdminApp.tsx b/frontend/src/pages/admin/AdminApp.tsx
new file mode 100644
index 0000000..b27711d
--- /dev/null
+++ b/frontend/src/pages/admin/AdminApp.tsx
@@ -0,0 +1,70 @@
+import { useState } from "react";
+import { DashboardOverview } from "./DashboardOverview";
+import { NodesPage } from "./NodesPage";
+import { OdooSettingsPage } from "./OdooSettingsPage";
+import { DisplaySettingsPage } from "./DisplaySettingsPage";
+import { RefreshSettingsPage } from "./RefreshSettingsPage";
+
+const TABS = [
+  { id: "overview", label: "Resumen" },
+  { id: "nodes", label: "Nodos" },
+  { id: "odoo", label: "Odoo" },
+  { id: "display", label: "Pantalla" },
+  { id: "refresh", label: "Intervalos" },
+] as const;
+
+type TabId = (typeof TABS)[number]["id"];
+
+const TAB_CONTENT: Record<TabId, () => React.ReactNode> = {
+  overview: () => <DashboardOverview />,
+  nodes: () => <NodesPage />,
+  odoo: () => <OdooSettingsPage />,
+  display: () => <DisplaySettingsPage />,
+  refresh: () => <RefreshSettingsPage />,
+};
+
+export function AdminApp() {
+  const [activeTab, setActiveTab] = useState<TabId>("overview");
+
+  const Content = TAB_CONTENT[activeTab];
+
+  return (
+    <div className="flex h-screen overflow-hidden">
+      {/* Sidebar */}
+      <aside className="w-56 shrink-0 bg-bg-secondary border-r border-border flex flex-col">
+        <div className="p-4 border-b border-border">
+          <h1 className="text-lg font-bold text-text-primary">Admin Panel</h1>
+          <p className="text-xs text-text-muted mt-0.5">TV Dashboard</p>
+        </div>
+        <nav className="flex-1 p-3 flex flex-col gap-1">
+          {TABS.map((tab) => (
+            <button
+              key={tab.id}
+              onClick={() => setActiveTab(tab.id)}
+              className={`block w-full text-left px-4 py-2.5 rounded-lg text-sm transition-colors ${
+                activeTab === tab.id
+                  ? "bg-accent/15 text-accent font-medium"
+                  : "text-text-secondary hover:text-text-primary hover:bg-bg-card-hover"
+              }`}
+            >
+              {tab.label}
+            </button>
+          ))}
+        </nav>
+        <div className="p-3 border-t border-border">
+          <a
+            href="/"
+            className="block px-4 py-2.5 rounded-lg text-sm text-text-secondary hover:text-text-primary hover:bg-bg-card-hover transition-colors"
+          >
+            &larr; Dashboard
+          </a>
+        </div>
+      </aside>
+
+      {/* Content */}
+      <main className="flex-1 overflow-y-auto p-6">
+        <Content />
+      </main>
+    </div>
+  );
+}
diff --git a/frontend/src/pages/admin/AdminLayout.tsx b/frontend/src/pages/admin/AdminLayout.tsx
new file mode 100644
index 0000000..00dd4b9
--- /dev/null
+++ b/frontend/src/pages/admin/AdminLayout.tsx
@@ -0,0 +1,59 @@
+import { NavLink, Outlet } from "react-router-dom";
+
+const NAV_ITEMS = [
+  { to: "/admin", label: "Resumen", end: true },
+  { to: "/admin/nodes", label: "Nodos" },
+  { to: "/admin/odoo", label: "Odoo" },
+  { to: "/admin/display", label: "Pantalla" },
+  { to: "/admin/refresh", label: "Intervalos" },
+];
+
+function SidebarLink({ to, label, end }: { to: string; label: string; end?: boolean }) {
+  return (
+    <NavLink
+      to={to}
+      end={end}
+      className={({ isActive }) =>
+        `block px-4 py-2.5 rounded-lg text-sm transition-colors ${
+          isActive
+            ? "bg-accent/15 text-accent font-medium"
+            : "text-text-secondary hover:text-text-primary hover:bg-bg-card-hover"
+        }`
+      }
+    >
+      {label}
+    </NavLink>
+  );
+}
+
+export function AdminLayout() {
+  return (
+    <div className="flex h-screen overflow-hidden">
+      {/* Sidebar */}
+      <aside className="w-56 shrink-0 bg-bg-secondary border-r border-border flex flex-col">
+        <div className="p-4 border-b border-border">
+          <h1 className="text-lg font-bold text-text-primary">Admin Panel</h1>
+          <p className="text-xs text-text-muted mt-0.5">TV Dashboard</p>
+        </div>
+        <nav className="flex-1 p-3 flex flex-col gap-1">
+          {NAV_ITEMS.map((item) => (
+            <SidebarLink key={item.to} {...item} />
+          ))}
+        </nav>
+        <div className="p-3 border-t border-border">
+          <a
+            href="/"
+            className="block px-4 py-2.5 rounded-lg text-sm text-text-secondary hover:text-text-primary hover:bg-bg-card-hover transition-colors"
+          >
+            &larr; Dashboard
+          </a>
+        </div>
+      </aside>
+
+      {/* Content */}
+      <main className="flex-1 overflow-y-auto p-6">
+        <Outlet />
+      </main>
+    </div>
+  );
+}
diff --git a/frontend/src/pages/admin/DashboardOverview.tsx b/frontend/src/pages/admin/DashboardOverview.tsx
new file mode 100644
index 0000000..faf7aaf
--- /dev/null
+++ b/frontend/src/pages/admin/DashboardOverview.tsx
@@ -0,0 +1,94 @@
+import { useState, useEffect } from "react";
+import { getSettings, getNodes } from "../../lib/adminApi";
+import type { AdminSettings } from "../../types";
+
+interface Stats {
+  nodeCount: number;
+  proxmoxCount: number;
+  vmCount: number;
+  settings: AdminSettings | null;
+}
+
+function Card({ label, value }: { label: string; value: string | number }) {
+  return (
+    <div className="bg-bg-card border border-border rounded-xl p-5">
+      <p className="text-xs text-text-muted uppercase tracking-wider mb-1">{label}</p>
+      <p className="text-2xl font-bold text-text-primary">{value}</p>
+    </div>
+  );
+}
+
+export function DashboardOverview() {
+  const [stats, setStats] = useState<Stats>({
+    nodeCount: 0,
+    proxmoxCount: 0,
+    vmCount: 0,
+    settings: null,
+  });
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+
+  useEffect(() => {
+    Promise.all([getSettings(), getNodes()])
+      .then(([settings, nodes]) => {
+        setStats({
+          nodeCount: nodes.length,
+          proxmoxCount: nodes.filter((n) => n.type === "proxmox").length,
+          vmCount: nodes.filter((n) => n.type === "vm" || n.type === "ct").length,
+          settings,
+        });
+      })
+      .catch((err) => setError(String(err)))
+      .finally(() => setLoading(false));
+  }, []);
+
+  const s = stats.settings;
+
+  return (
+    <div>
+      <h2 className="text-xl font-bold mb-6">Resumen del Dashboard</h2>
+
+      {error && (
+        <div className="mb-4 p-4 rounded-lg bg-danger/15 border border-danger/30 text-danger text-sm">
+          Error: {error}
+        </div>
+      )}
+
+      {loading && <p className="text-text-muted mb-4">Cargando datos...</p>}
+
+      <div className="grid grid-cols-2 lg:grid-cols-4 gap-4 mb-8">
+        <Card label="Total Nodos" value={stats.nodeCount} />
+        <Card label="Servidores Proxmox" value={stats.proxmoxCount} />
+        <Card label="VMs / CTs" value={stats.vmCount} />
+        <Card label="Rotacion" value={s ? `${s.display.rotation_interval_seconds}s` : "—"} />
+      </div>
+
+      {s && (
+        <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
+          <div className="bg-bg-card border border-border rounded-xl p-5">
+            <h3 className="text-sm font-semibold text-text-secondary mb-3">Odoo</h3>
+            <dl className="grid grid-cols-[auto_1fr] gap-x-4 gap-y-1.5 text-sm">
+              <dt className="text-text-muted">Servidor</dt>
+              <dd className="text-text-primary">{s.odoo.url}</dd>
+              <dt className="text-text-muted">Base de datos</dt>
+              <dd className="text-text-primary">{s.odoo.database}</dd>
+              <dt className="text-text-muted">Usuario</dt>
+              <dd className="text-text-primary">{s.odoo.username}</dd>
+            </dl>
+          </div>
+          <div className="bg-bg-card border border-border rounded-xl p-5">
+            <h3 className="text-sm font-semibold text-text-secondary mb-3">Intervalos</h3>
+            <dl className="grid grid-cols-[auto_1fr] gap-x-4 gap-y-1.5 text-sm">
+              <dt className="text-text-muted">Odoo</dt>
+              <dd className="text-text-primary">{s.refresh.odoo_minutes} min</dd>
+              <dt className="text-text-muted">Red</dt>
+              <dd className="text-text-primary">{s.refresh.network_minutes} min</dd>
+              <dt className="text-text-muted">Ping</dt>
+              <dd className="text-text-primary">{s.refresh.ping_seconds} seg</dd>
+            </dl>
+          </div>
+        </div>
+      )}
+    </div>
+  );
+}
diff --git a/frontend/src/pages/admin/DisplaySettingsPage.tsx b/frontend/src/pages/admin/DisplaySettingsPage.tsx
new file mode 100644
index 0000000..379cd57
--- /dev/null
+++ b/frontend/src/pages/admin/DisplaySettingsPage.tsx
@@ -0,0 +1,123 @@
+import { useState, useEffect } from "react";
+import { getSettings, updateDisplay } from "../../lib/adminApi";
+
+const ALL_VIEWS = [
+  { id: "topology", label: "Topologia de Red" },
+  { id: "projects", label: "Proyectos" },
+  { id: "calendar", label: "Calendario" },
+];
+
+export function DisplaySettingsPage() {
+  const [rotation, setRotation] = useState(120);
+  const [transition, setTransition] = useState("fade");
+  const [theme, setTheme] = useState("dark");
+  const [activeViews, setActiveViews] = useState<string[]>(["topology", "projects", "calendar"]);
+  const [status, setStatus] = useState<"idle" | "saving" | "saved" | "error">("idle");
+
+  useEffect(() => {
+    getSettings().then((s) => {
+      const d = s.display;
+      setRotation(d.rotation_interval_seconds);
+      setTransition(d.transition);
+      setTheme(d.theme);
+      if (d.active_views) setActiveViews(d.active_views);
+    });
+  }, []);
+
+  const toggleView = (id: string) => {
+    setActiveViews((prev) =>
+      prev.includes(id) ? prev.filter((v) => v !== id) : [...prev, id]
+    );
+  };
+
+  const handleSubmit = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setStatus("saving");
+    try {
+      await updateDisplay({
+        rotation_interval_seconds: rotation,
+        transition,
+        theme,
+        active_views: activeViews,
+      });
+      setStatus("saved");
+      setTimeout(() => setStatus("idle"), 2000);
+    } catch {
+      setStatus("error");
+    }
+  };
+
+  return (
+    <div className="max-w-xl">
+      <h2 className="text-xl font-bold mb-6">Configuracion de Pantalla</h2>
+      <form onSubmit={handleSubmit} className="flex flex-col gap-5">
+        <label className="block">
+          <span className="text-sm text-text-secondary">Intervalo de rotacion (segundos)</span>
+          <input
+            type="number"
+            min={10}
+            value={rotation}
+            onChange={(e) => setRotation(Number(e.target.value))}
+            className="mt-1 w-full px-3 py-2 rounded-lg bg-bg-primary border border-border text-text-primary focus:border-accent focus:outline-none"
+          />
+        </label>
+
+        <label className="block">
+          <span className="text-sm text-text-secondary">Transicion</span>
+          <select
+            value={transition}
+            onChange={(e) => setTransition(e.target.value)}
+            className="mt-1 w-full px-3 py-2 rounded-lg bg-bg-primary border border-border text-text-primary focus:border-accent focus:outline-none"
+          >
+            <option value="fade">Fade</option>
+            <option value="slide">Slide</option>
+            <option value="none">Ninguna</option>
+          </select>
+        </label>
+
+        <label className="block">
+          <span className="text-sm text-text-secondary">Tema</span>
+          <select
+            value={theme}
+            onChange={(e) => setTheme(e.target.value)}
+            className="mt-1 w-full px-3 py-2 rounded-lg bg-bg-primary border border-border text-text-primary focus:border-accent focus:outline-none"
+          >
+            <option value="dark">Oscuro</option>
+            <option value="light">Claro</option>
+          </select>
+        </label>
+
+        <fieldset>
+          <legend className="text-sm text-text-secondary mb-2">Vistas activas</legend>
+          <div className="flex flex-col gap-2">
+            {ALL_VIEWS.map((v) => (
+              <label key={v.id} className="flex items-center gap-3 cursor-pointer">
+                <input
+                  type="checkbox"
+                  checked={activeViews.includes(v.id)}
+                  onChange={() => toggleView(v.id)}
+                  className="w-4 h-4 accent-accent"
+                />
+                <span className="text-sm text-text-primary">{v.label}</span>
+              </label>
+            ))}
+          </div>
+        </fieldset>
+
+        <button
+          type="submit"
+          disabled={status === "saving" || activeViews.length === 0}
+          className="self-start px-6 py-2.5 rounded-lg bg-accent text-white font-medium hover:bg-accent/80 disabled:opacity-50 transition-colors"
+        >
+          {status === "saving" ? "Guardando..." : status === "saved" ? "Guardado!" : "Guardar"}
+        </button>
+        {activeViews.length === 0 && (
+          <p className="text-warning text-sm">Debes seleccionar al menos una vista.</p>
+        )}
+        {status === "error" && (
+          <p className="text-danger text-sm">Error al guardar.</p>
+        )}
+      </form>
+    </div>
+  );
+}
diff --git a/frontend/src/pages/admin/NodeFormModal.tsx b/frontend/src/pages/admin/NodeFormModal.tsx
new file mode 100644
index 0000000..8ffd2a9
--- /dev/null
+++ b/frontend/src/pages/admin/NodeFormModal.tsx
@@ -0,0 +1,176 @@
+import { useState, useEffect } from "react";
+import type { NodeConfig } from "../../types";
+
+const ICON_OPTIONS = ["router", "firewall", "switch", "server", "nas", "device", "ap", "printer", "phone", "pc"];
+const TYPE_OPTIONS = ["", "proxmox", "vm", "ct"];
+
+interface Props {
+  initial?: NodeConfig;
+  allNodes: NodeConfig[];
+  onSave: (node: NodeConfig) => void;
+  onClose: () => void;
+}
+
+const EMPTY: NodeConfig = {
+  name: "",
+  ip: "",
+  icon: "device",
+  connections: [],
+};
+
+export function NodeFormModal({ initial, allNodes, onSave, onClose }: Props) {
+  const [form, setForm] = useState<NodeConfig>(initial ?? EMPTY);
+  const [connectionsText, setConnectionsText] = useState("");
+
+  useEffect(() => {
+    if (initial) {
+      setForm(initial);
+      setConnectionsText(initial.connections.join(", "));
+    }
+  }, [initial]);
+
+  const handleSubmit = (e: React.FormEvent) => {
+    e.preventDefault();
+    const connections = connectionsText
+      .split(",")
+      .map((s) => s.trim())
+      .filter(Boolean);
+    onSave({ ...form, connections });
+  };
+
+  const set = (key: keyof NodeConfig, value: string) =>
+    setForm((prev) => ({ ...prev, [key]: value || undefined }));
+
+  const parentOptions = allNodes.filter((n) => n.ip !== form.ip).map((n) => n.name);
+
+  return (
+    <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/60" onClick={onClose}>
+      <div
+        className="bg-bg-secondary border border-border rounded-xl w-full max-w-lg p-6 max-h-[90vh] overflow-y-auto"
+        onClick={(e) => e.stopPropagation()}
+      >
+        <h3 className="text-lg font-bold mb-4">
+          {initial ? "Editar Nodo" : "Agregar Nodo"}
+        </h3>
+        <form onSubmit={handleSubmit} className="flex flex-col gap-3">
+          <label className="block">
+            <span className="text-xs text-text-secondary">Nombre *</span>
+            <input
+              required
+              value={form.name}
+              onChange={(e) => set("name", e.target.value)}
+              className="mt-1 w-full px-3 py-2 rounded-lg bg-bg-primary border border-border text-text-primary text-sm focus:border-accent focus:outline-none"
+            />
+          </label>
+
+          <label className="block">
+            <span className="text-xs text-text-secondary">IP *</span>
+            <input
+              required
+              value={form.ip}
+              onChange={(e) => set("ip", e.target.value)}
+              className="mt-1 w-full px-3 py-2 rounded-lg bg-bg-primary border border-border text-text-primary text-sm focus:border-accent focus:outline-none"
+            />
+          </label>
+
+          <div className="grid grid-cols-2 gap-3">
+            <label className="block">
+              <span className="text-xs text-text-secondary">Usuario</span>
+              <input
+                value={form.username ?? ""}
+                onChange={(e) => set("username", e.target.value)}
+                className="mt-1 w-full px-3 py-2 rounded-lg bg-bg-primary border border-border text-text-primary text-sm focus:border-accent focus:outline-none"
+              />
+            </label>
+            <label className="block">
+              <span className="text-xs text-text-secondary">Contrasena</span>
+              <input
+                type="password"
+                value={form.password ?? ""}
+                onChange={(e) => set("password", e.target.value)}
+                className="mt-1 w-full px-3 py-2 rounded-lg bg-bg-primary border border-border text-text-primary text-sm focus:border-accent focus:outline-none"
+              />
+            </label>
+          </div>
+
+          <label className="block">
+            <span className="text-xs text-text-secondary">URL publica</span>
+            <input
+              value={form.public_url ?? ""}
+              onChange={(e) => set("public_url", e.target.value)}
+              className="mt-1 w-full px-3 py-2 rounded-lg bg-bg-primary border border-border text-text-primary text-sm focus:border-accent focus:outline-none"
+            />
+          </label>
+
+          <div className="grid grid-cols-2 gap-3">
+            <label className="block">
+              <span className="text-xs text-text-secondary">Icono</span>
+              <select
+                value={form.icon}
+                onChange={(e) => set("icon", e.target.value)}
+                className="mt-1 w-full px-3 py-2 rounded-lg bg-bg-primary border border-border text-text-primary text-sm focus:border-accent focus:outline-none"
+              >
+                {ICON_OPTIONS.map((i) => (
+                  <option key={i} value={i}>{i}</option>
+                ))}
+              </select>
+            </label>
+            <label className="block">
+              <span className="text-xs text-text-secondary">Tipo</span>
+              <select
+                value={form.type ?? ""}
+                onChange={(e) => set("type", e.target.value)}
+                className="mt-1 w-full px-3 py-2 rounded-lg bg-bg-primary border border-border text-text-primary text-sm focus:border-accent focus:outline-none"
+              >
+                <option value="">Ninguno</option>
+                {TYPE_OPTIONS.filter(Boolean).map((t) => (
+                  <option key={t} value={t}>{t}</option>
+                ))}
+              </select>
+            </label>
+          </div>
+
+          <label className="block">
+            <span className="text-xs text-text-secondary">Parent</span>
+            <select
+              value={form.parent ?? ""}
+              onChange={(e) => set("parent", e.target.value)}
+              className="mt-1 w-full px-3 py-2 rounded-lg bg-bg-primary border border-border text-text-primary text-sm focus:border-accent focus:outline-none"
+            >
+              <option value="">Ninguno</option>
+              {parentOptions.map((name) => (
+                <option key={name} value={name}>{name}</option>
+              ))}
+            </select>
+          </label>
+
+          <label className="block">
+            <span className="text-xs text-text-secondary">Conexiones (nombres separados por coma)</span>
+            <input
+              value={connectionsText}
+              onChange={(e) => setConnectionsText(e.target.value)}
+              placeholder="Switch Cisco, Firewall OPNsense"
+              className="mt-1 w-full px-3 py-2 rounded-lg bg-bg-primary border border-border text-text-primary text-sm focus:border-accent focus:outline-none"
+            />
+          </label>
+
+          <div className="flex justify-end gap-3 mt-2">
+            <button
+              type="button"
+              onClick={onClose}
+              className="px-4 py-2 rounded-lg text-sm text-text-secondary hover:text-text-primary transition-colors"
+            >
+              Cancelar
+            </button>
+            <button
+              type="submit"
+              className="px-5 py-2 rounded-lg bg-accent text-white text-sm font-medium hover:bg-accent/80 transition-colors"
+            >
+              {initial ? "Guardar" : "Agregar"}
+            </button>
+          </div>
+        </form>
+      </div>
+    </div>
+  );
+}
diff --git a/frontend/src/pages/admin/NodesPage.tsx b/frontend/src/pages/admin/NodesPage.tsx
new file mode 100644
index 0000000..7c7cc44
--- /dev/null
+++ b/frontend/src/pages/admin/NodesPage.tsx
@@ -0,0 +1,147 @@
+import { useState, useEffect, useCallback } from "react";
+import { getNodes, addNode, replaceNodes, deleteNode } from "../../lib/adminApi";
+import { NodeFormModal } from "./NodeFormModal";
+import type { NodeConfig } from "../../types";
+
+export function NodesPage() {
+  const [nodes, setNodes] = useState<NodeConfig[]>([]);
+  const [editNode, setEditNode] = useState<NodeConfig | undefined>();
+  const [showModal, setShowModal] = useState(false);
+  const [confirmDelete, setConfirmDelete] = useState<string | null>(null);
+  const [error, setError] = useState<string | null>(null);
+
+  const load = useCallback(() => {
+    getNodes()
+      .then(setNodes)
+      .catch((err) => setError(String(err)));
+  }, []);
+
+  useEffect(() => { load(); }, [load]);
+
+  const handleAdd = () => {
+    setEditNode(undefined);
+    setShowModal(true);
+  };
+
+  const handleEdit = (node: NodeConfig) => {
+    setEditNode(node);
+    setShowModal(true);
+  };
+
+  const handleSave = async (node: NodeConfig) => {
+    if (editNode) {
+      // Edit: replace the node in the list
+      const updated = nodes.map((n) =>
+        n.ip === editNode.ip ? node : n
+      );
+      await replaceNodes(updated);
+    } else {
+      await addNode(node);
+    }
+    setShowModal(false);
+    load();
+  };
+
+  const handleDelete = async (ip: string) => {
+    await deleteNode(ip);
+    setConfirmDelete(null);
+    load();
+  };
+
+  return (
+    <div>
+      <div className="flex items-center justify-between mb-6">
+        <h2 className="text-xl font-bold">Nodos de Red</h2>
+        <button
+          onClick={handleAdd}
+          className="px-4 py-2 rounded-lg bg-accent text-white text-sm font-medium hover:bg-accent/80 transition-colors"
+        >
+          + Agregar Nodo
+        </button>
+      </div>
+
+      {error && (
+        <div className="mb-4 p-4 rounded-lg bg-danger/15 border border-danger/30 text-danger text-sm">
+          Error: {error}
+        </div>
+      )}
+
+      <div className="overflow-x-auto rounded-xl border border-border">
+        <table className="w-full text-sm">
+          <thead>
+            <tr className="bg-bg-secondary text-text-secondary text-left">
+              <th className="px-4 py-3 font-medium">Nombre</th>
+              <th className="px-4 py-3 font-medium">IP</th>
+              <th className="px-4 py-3 font-medium">Tipo</th>
+              <th className="px-4 py-3 font-medium">Parent</th>
+              <th className="px-4 py-3 font-medium">Icono</th>
+              <th className="px-4 py-3 font-medium w-32">Acciones</th>
+            </tr>
+          </thead>
+          <tbody>
+            {nodes.map((node) => (
+              <tr key={node.ip + node.name} className="border-t border-border hover:bg-bg-card-hover transition-colors">
+                <td className="px-4 py-3 text-text-primary font-medium">{node.name}</td>
+                <td className="px-4 py-3 text-text-secondary font-mono text-xs">{node.ip}</td>
+                <td className="px-4 py-3">
+                  {node.type && (
+                    <span className="px-2 py-0.5 rounded text-xs bg-accent/15 text-accent">
+                      {node.type}
+                    </span>
+                  )}
+                </td>
+                <td className="px-4 py-3 text-text-secondary">{node.parent ?? "—"}</td>
+                <td className="px-4 py-3 text-text-secondary">{node.icon}</td>
+                <td className="px-4 py-3">
+                  <div className="flex gap-2">
+                    <button
+                      onClick={() => handleEdit(node)}
+                      className="px-2.5 py-1 rounded text-xs bg-bg-card hover:bg-bg-card-hover border border-border text-text-secondary hover:text-text-primary transition-colors"
+                    >
+                      Editar
+                    </button>
+                    {confirmDelete === node.ip ? (
+                      <div className="flex gap-1">
+                        <button
+                          onClick={() => handleDelete(node.ip)}
+                          className="px-2.5 py-1 rounded text-xs bg-danger/15 text-danger hover:bg-danger/25 transition-colors"
+                        >
+                          Confirmar
+                        </button>
+                        <button
+                          onClick={() => setConfirmDelete(null)}
+                          className="px-2.5 py-1 rounded text-xs text-text-muted hover:text-text-secondary transition-colors"
+                        >
+                          No
+                        </button>
+                      </div>
+                    ) : (
+                      <button
+                        onClick={() => setConfirmDelete(node.ip)}
+                        className="px-2.5 py-1 rounded text-xs text-danger/70 hover:text-danger hover:bg-danger/10 transition-colors"
+                      >
+                        Eliminar
+                      </button>
+                    )}
+                  </div>
+                </td>
+              </tr>
+            ))}
+          </tbody>
+        </table>
+        {nodes.length === 0 && (
+          <p className="text-center py-8 text-text-muted">No hay nodos configurados.</p>
+        )}
+      </div>
+
+      {showModal && (
+        <NodeFormModal
+          initial={editNode}
+          allNodes={nodes}
+          onSave={handleSave}
+          onClose={() => setShowModal(false)}
+        />
+      )}
+    </div>
+  );
+}
diff --git a/frontend/src/pages/admin/OdooSettingsPage.tsx b/frontend/src/pages/admin/OdooSettingsPage.tsx
new file mode 100644
index 0000000..49fd241
--- /dev/null
+++ b/frontend/src/pages/admin/OdooSettingsPage.tsx
@@ -0,0 +1,83 @@
+import { useState, useEffect } from "react";
+import { getSettings, updateOdoo } from "../../lib/adminApi";
+import type { OdooConfig } from "../../types";
+
+export function OdooSettingsPage() {
+  const [form, setForm] = useState<OdooConfig>({
+    url: "",
+    database: "",
+    username: "",
+    password: "",
+    exclude_company_ids: [],
+  });
+  const [excludeText, setExcludeText] = useState("");
+  const [status, setStatus] = useState<"idle" | "saving" | "saved" | "error">("idle");
+
+  useEffect(() => {
+    getSettings().then((s) => {
+      const odoo = s.odoo;
+      setForm(odoo);
+      setExcludeText(odoo.exclude_company_ids?.join(", ") ?? "");
+    });
+  }, []);
+
+  const handleSubmit = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setStatus("saving");
+    try {
+      const ids = excludeText
+        .split(",")
+        .map((s) => parseInt(s.trim()))
+        .filter((n) => !isNaN(n));
+      await updateOdoo({ ...form, exclude_company_ids: ids });
+      setStatus("saved");
+      setTimeout(() => setStatus("idle"), 2000);
+    } catch {
+      setStatus("error");
+    }
+  };
+
+  const field = (label: string, key: keyof OdooConfig, type = "text") => (
+    <label className="block">
+      <span className="text-sm text-text-secondary">{label}</span>
+      <input
+        type={type}
+        value={form[key] as string}
+        onChange={(e) => setForm({ ...form, [key]: e.target.value })}
+        className="mt-1 w-full px-3 py-2 rounded-lg bg-bg-primary border border-border text-text-primary focus:border-accent focus:outline-none"
+      />
+    </label>
+  );
+
+  return (
+    <div className="max-w-xl">
+      <h2 className="text-xl font-bold mb-6">Configuracion Odoo</h2>
+      <form onSubmit={handleSubmit} className="flex flex-col gap-4">
+        {field("URL del servidor", "url")}
+        {field("Base de datos", "database")}
+        {field("Usuario", "username")}
+        {field("Contrasena", "password", "password")}
+        <label className="block">
+          <span className="text-sm text-text-secondary">Excluir Company IDs (separados por coma)</span>
+          <input
+            type="text"
+            value={excludeText}
+            onChange={(e) => setExcludeText(e.target.value)}
+            placeholder="2, 3"
+            className="mt-1 w-full px-3 py-2 rounded-lg bg-bg-primary border border-border text-text-primary focus:border-accent focus:outline-none"
+          />
+        </label>
+        <button
+          type="submit"
+          disabled={status === "saving"}
+          className="self-start px-6 py-2.5 rounded-lg bg-accent text-white font-medium hover:bg-accent/80 disabled:opacity-50 transition-colors"
+        >
+          {status === "saving" ? "Guardando..." : status === "saved" ? "Guardado!" : "Guardar"}
+        </button>
+        {status === "error" && (
+          <p className="text-danger text-sm">Error al guardar. Revisa la conexion.</p>
+        )}
+      </form>
+    </div>
+  );
+}
diff --git a/frontend/src/pages/admin/RefreshSettingsPage.tsx b/frontend/src/pages/admin/RefreshSettingsPage.tsx
new file mode 100644
index 0000000..2edff6b
--- /dev/null
+++ b/frontend/src/pages/admin/RefreshSettingsPage.tsx
@@ -0,0 +1,85 @@
+import { useState, useEffect } from "react";
+import { getSettings, updateRefresh } from "../../lib/adminApi";
+
+export function RefreshSettingsPage() {
+  const [odooMin, setOdooMin] = useState(5);
+  const [networkMin, setNetworkMin] = useState(10);
+  const [pingSec, setPingSec] = useState(60);
+  const [status, setStatus] = useState<"idle" | "saving" | "saved" | "error">("idle");
+
+  useEffect(() => {
+    getSettings().then((s) => {
+      const r = s.refresh;
+      setOdooMin(r.odoo_minutes);
+      setNetworkMin(r.network_minutes);
+      setPingSec(r.ping_seconds);
+    });
+  }, []);
+
+  const handleSubmit = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setStatus("saving");
+    try {
+      await updateRefresh({
+        odoo_minutes: odooMin,
+        network_minutes: networkMin,
+        ping_seconds: pingSec,
+      });
+      setStatus("saved");
+      setTimeout(() => setStatus("idle"), 2000);
+    } catch {
+      setStatus("error");
+    }
+  };
+
+  return (
+    <div className="max-w-xl">
+      <h2 className="text-xl font-bold mb-6">Intervalos de Actualizacion</h2>
+      <form onSubmit={handleSubmit} className="flex flex-col gap-4">
+        <label className="block">
+          <span className="text-sm text-text-secondary">Actualizacion Odoo (minutos)</span>
+          <input
+            type="number"
+            min={1}
+            value={odooMin}
+            onChange={(e) => setOdooMin(Number(e.target.value))}
+            className="mt-1 w-full px-3 py-2 rounded-lg bg-bg-primary border border-border text-text-primary focus:border-accent focus:outline-none"
+          />
+        </label>
+
+        <label className="block">
+          <span className="text-sm text-text-secondary">Escaneo de red (minutos)</span>
+          <input
+            type="number"
+            min={1}
+            value={networkMin}
+            onChange={(e) => setNetworkMin(Number(e.target.value))}
+            className="mt-1 w-full px-3 py-2 rounded-lg bg-bg-primary border border-border text-text-primary focus:border-accent focus:outline-none"
+          />
+        </label>
+
+        <label className="block">
+          <span className="text-sm text-text-secondary">Ping (segundos)</span>
+          <input
+            type="number"
+            min={10}
+            value={pingSec}
+            onChange={(e) => setPingSec(Number(e.target.value))}
+            className="mt-1 w-full px-3 py-2 rounded-lg bg-bg-primary border border-border text-text-primary focus:border-accent focus:outline-none"
+          />
+        </label>
+
+        <button
+          type="submit"
+          disabled={status === "saving"}
+          className="self-start px-6 py-2.5 rounded-lg bg-accent text-white font-medium hover:bg-accent/80 disabled:opacity-50 transition-colors"
+        >
+          {status === "saving" ? "Guardando..." : status === "saved" ? "Guardado!" : "Guardar"}
+        </button>
+        {status === "error" && (
+          <p className="text-danger text-sm">Error al guardar.</p>
+        )}
+      </form>
+    </div>
+  );
+}
diff --git a/frontend/src/types/index.ts b/frontend/src/types/index.ts
index 5e9b4ec..7311e68 100644
--- a/frontend/src/types/index.ts
+++ b/frontend/src/types/index.ts
@@ -62,9 +62,44 @@ export interface DisplayConfig {
   rotation_interval_seconds: number;
   transition: string;
   theme: string;
+  active_views?: string[];
 }
 
 export interface WSMessage {
   type: string;
   data: Record<string, unknown>;
 }
+
+// ── Admin types ────────────────────────────────────────────
+
+export interface OdooConfig {
+  url: string;
+  database: string;
+  username: string;
+  password: string;
+  exclude_company_ids: number[];
+}
+
+export interface RefreshConfig {
+  odoo_minutes: number;
+  network_minutes: number;
+  ping_seconds: number;
+}
+
+export interface NodeConfig {
+  name: string;
+  ip: string;
+  username?: string;
+  password?: string;
+  public_url?: string;
+  icon: string;
+  type?: string;
+  parent?: string;
+  connections: string[];
+}
+
+export interface AdminSettings {
+  display: DisplayConfig;
+  odoo: OdooConfig;
+  refresh: RefreshConfig;
+}