diff --git a/Archive.zip b/Archive.zip
deleted file mode 100644
index 64fe733..0000000
Binary files a/Archive.zip and /dev/null differ
diff --git a/app/(tabs)/_layout.tsx b/app/(tabs)/_layout.tsx
index d688195..9eacb65 100644
--- a/app/(tabs)/_layout.tsx
+++ b/app/(tabs)/_layout.tsx
@@ -82,6 +82,7 @@ export default function TabsLayout() {
           },
         })}
       />
+      
     </Tabs>
   );
 }
diff --git a/app/(tabs)/library.tsx b/app/(tabs)/library.tsx
new file mode 100644
index 0000000..f867a36
--- /dev/null
+++ b/app/(tabs)/library.tsx
@@ -0,0 +1,514 @@
+import { useMemo, useState } from "react";
+import {
+  Alert,
+  Linking,
+  Pressable,
+  ScrollView,
+  Text,
+  TextInput,
+  View,
+} from "react-native";
+import { SafeAreaView } from "react-native-safe-area-context";
+import { Feather } from "@expo/vector-icons";
+import { Colors } from "../../constants/colors";
+import { Fonts } from "../../constants/fonts";
+
+const CPP_RESERVE_URL =
+  "https://www.cpp.edu/library/access-services/group-study-rooms/reserve-a-room.shtml";
+
+const LIBCAL_DIRECT_URL = "https://cpp.libcal.com/reserve/study-rooms";
+
+const TIMES = [
+  "7:30 AM", "8:00 AM", "8:30 AM", "9:00 AM", "9:30 AM",
+  "10:00 AM", "10:30 AM", "11:00 AM", "11:30 AM",
+  "12:00 PM", "12:30 PM", "1:00 PM", "1:30 PM",
+  "2:00 PM", "2:30 PM", "3:00 PM", "3:30 PM",
+  "4:00 PM", "4:30 PM", "5:00 PM", "5:30 PM",
+  "6:00 PM", "6:30 PM", "7:00 PM", "7:30 PM",
+  "8:00 PM", "8:30 PM", "9:00 PM",
+];
+
+const DURATIONS = [
+  { label: "30 min", value: 30 },
+  { label: "1 hr", value: 60 },
+  { label: "1.5 hr", value: 90 },
+  { label: "2 hr", value: 120 },
+  { label: "3 hr", value: 180 },
+];
+
+const FLOORS = ["Any", "2", "3", "4", "5", "6"];
+
+function getDays() {
+  return Array.from({ length: 7 }, (_, i) => {
+    const d = new Date();
+    d.setDate(d.getDate() + i);
+    return {
+      value: d.toISOString().slice(0, 10),
+      label:
+        i === 0
+          ? "Today"
+          : d.toLocaleDateString("en-US", {
+              weekday: "short",
+              month: "short",
+              day: "numeric",
+            }),
+    };
+  });
+}
+
+export default function LibraryTab() {
+  const days = useMemo(() => getDays(), []);
+
+  const [date, setDate] = useState(days[0].value);
+  const [time, setTime] = useState("10:00 AM");
+  const [duration, setDuration] = useState(60);
+  const [groupSize, setGroupSize] = useState("2");
+  const [floor, setFloor] = useState("Any");
+  const [power, setPower] = useState(false);
+  const [ada, setAda] = useState(false);
+  const [policy, setPolicy] = useState(false);
+  const [status, setStatus] = useState<"draft" | "sent" | "done">("draft");
+
+  const validGroup = Number(groupSize) >= 2 && Number(groupSize) <= 9;
+  const canSubmit = validGroup && policy;
+
+  async function continueToOfficialBooking() {
+    if (!validGroup) {
+      Alert.alert(
+        "Invalid group size",
+        "CPP group study rooms require 2 to 9 students."
+      );
+      return;
+    }
+
+    if (!policy) {
+      Alert.alert(
+        "Policy confirmation required",
+        "Confirm that you understand CPP Library policies before continuing."
+      );
+      return;
+    }
+
+    setStatus("sent");
+    await Linking.openURL(CPP_RESERVE_URL);
+  }
+
+  return (
+    <SafeAreaView edges={["top"]} style={{ flex: 1, backgroundColor: Colors.bg }}>
+      <ScrollView contentContainerStyle={{ padding: 20, paddingBottom: 44 }}>
+        <Text
+          style={{
+            color: Colors.text,
+            fontFamily: Fonts.display,
+            fontSize: 28,
+          }}
+        >
+          Library Rooms
+        </Text>
+
+        <Text
+          style={{
+            color: Colors.muted,
+            fontFamily: Fonts.body,
+            fontSize: 12,
+            marginTop: 4,
+            marginBottom: 18,
+          }}
+        >
+          Build your reservation, then finish through CPP SSO.
+        </Text>
+
+        <InfoCard status={status} />
+
+        <Label icon="calendar">Date</Label>
+        <Horizontal>
+          {days.map((d) => (
+            <Chip
+              key={d.value}
+              label={d.label}
+              selected={date === d.value}
+              onPress={() => setDate(d.value)}
+            />
+          ))}
+        </Horizontal>
+
+        <Label icon="clock">Start time</Label>
+        <Horizontal>
+          {TIMES.map((t) => (
+            <Chip
+              key={t}
+              label={t}
+              selected={time === t}
+              onPress={() => setTime(t)}
+            />
+          ))}
+        </Horizontal>
+
+        <Label icon="watch">Duration</Label>
+        <View style={{ flexDirection: "row", flexWrap: "wrap", gap: 8 }}>
+          {DURATIONS.map((d) => (
+            <Chip
+              key={d.value}
+              label={d.label}
+              selected={duration === d.value}
+              onPress={() => setDuration(d.value)}
+            />
+          ))}
+        </View>
+
+        <Label icon="users">Group size</Label>
+        <TextInput
+          value={groupSize}
+          onChangeText={setGroupSize}
+          keyboardType="number-pad"
+          placeholder="2-9"
+          placeholderTextColor={Colors.muted}
+          style={{
+            backgroundColor: Colors.card,
+            borderColor: validGroup ? Colors.border : Colors.highBorder,
+            borderWidth: 1,
+            borderRadius: 14,
+            color: Colors.text,
+            fontFamily: Fonts.body,
+            padding: 14,
+            marginBottom: 6,
+          }}
+        />
+
+        <Label icon="layers">Preferred floor</Label>
+        <View style={{ flexDirection: "row", flexWrap: "wrap", gap: 8 }}>
+          {FLOORS.map((f) => (
+            <Chip
+              key={f}
+              label={f === "Any" ? "Any floor" : `Floor ${f}`}
+              selected={floor === f}
+              onPress={() => setFloor(f)}
+            />
+          ))}
+        </View>
+
+        <Label icon="sliders">Preferences</Label>
+        <Toggle
+          label="Power outlet preferred"
+          value={power}
+          onPress={() => setPower(!power)}
+        />
+        <Toggle
+          label="ADA-accessible room preferred"
+          value={ada}
+          onPress={() => setAda(!ada)}
+        />
+
+        <View
+          style={{
+            backgroundColor: Colors.surface,
+            borderColor: Colors.border,
+            borderWidth: 1,
+            borderRadius: 18,
+            padding: 16,
+            marginTop: 16,
+          }}
+        >
+          <Text
+            style={{
+              color: Colors.text,
+              fontFamily: Fonts.bodySemiBold,
+              fontSize: 14,
+              marginBottom: 10,
+            }}
+          >
+            Reservation draft
+          </Text>
+
+          <Summary label="Date" value={date} />
+          <Summary label="Time" value={time} />
+          <Summary label="Duration" value={`${duration} minutes`} />
+          <Summary label="Group" value={`${groupSize} students`} />
+          <Summary
+            label="Needs"
+            value={[
+              floor === "Any" ? "Any floor" : `Floor ${floor}`,
+              power ? "Power outlet" : null,
+              ada ? "ADA" : null,
+            ]
+              .filter(Boolean)
+              .join(" · ")}
+          />
+        </View>
+
+        <Pressable
+          onPress={() => setPolicy(!policy)}
+          style={{
+            backgroundColor: policy ? Colors.accentBg : Colors.card,
+            borderColor: policy ? Colors.accentBorder : Colors.border,
+            borderWidth: 1,
+            borderRadius: 18,
+            padding: 16,
+            marginTop: 14,
+            flexDirection: "row",
+            gap: 12,
+          }}
+        >
+          <Feather
+            name={policy ? "check-square" : "square"}
+            size={22}
+            color={policy ? Colors.accent : Colors.muted}
+          />
+          <Text
+            style={{
+              color: Colors.text,
+              fontFamily: Fonts.body,
+              fontSize: 12,
+              lineHeight: 18,
+              flex: 1,
+            }}
+          >
+            I understand final booking must be completed through CPP Library,
+            including policy agreement and CPP SSO.
+          </Text>
+        </Pressable>
+
+        <Pressable
+          disabled={!canSubmit}
+          onPress={continueToOfficialBooking}
+          style={{
+            backgroundColor: canSubmit ? Colors.accent : Colors.cardHover,
+            opacity: canSubmit ? 1 : 0.55,
+            borderRadius: 14,
+            padding: 16,
+            marginTop: 16,
+            alignItems: "center",
+            flexDirection: "row",
+            justifyContent: "center",
+            gap: 8,
+          }}
+        >
+          <Feather
+            name="external-link"
+            size={16}
+            color={canSubmit ? Colors.bg : Colors.muted}
+          />
+          <Text
+            style={{
+              color: canSubmit ? Colors.bg : Colors.muted,
+              fontFamily: Fonts.bodySemiBold,
+              fontSize: 13,
+            }}
+          >
+            Review Policies & Reserve
+          </Text>
+        </Pressable>
+
+        {status === "sent" && (
+          <Pressable
+            onPress={() => setStatus("done")}
+            style={{
+              borderColor: Colors.accentBorder,
+              borderWidth: 1,
+              borderRadius: 14,
+              padding: 14,
+              marginTop: 12,
+              alignItems: "center",
+            }}
+          >
+            <Text
+              style={{
+                color: Colors.accent,
+                fontFamily: Fonts.bodySemiBold,
+                fontSize: 12,
+              }}
+            >
+              I completed my LibCal reservation
+            </Text>
+          </Pressable>
+        )}
+
+        <Pressable
+          onPress={() => Linking.openURL(LIBCAL_DIRECT_URL)}
+          style={{ padding: 14, alignItems: "center" }}
+        >
+          <Text
+            style={{
+              color: Colors.muted,
+              fontFamily: Fonts.body,
+              fontSize: 12,
+            }}
+          >
+            Open LibCal directly
+          </Text>
+        </Pressable>
+      </ScrollView>
+    </SafeAreaView>
+  );
+}
+
+function InfoCard({ status }: { status: "draft" | "sent" | "done" }) {
+  const text =
+    status === "done"
+      ? "Reservation marked complete in-app. Official confirmation remains in CPP/LibCal email."
+      : status === "sent"
+      ? "Official CPP booking page opened. Finish policy agreement, SSO, and final room selection there."
+      : "This app prepares the reservation intent. Final submission happens through CPP Library/LibCal.";
+
+  return (
+    <View
+      style={{
+        backgroundColor: Colors.card,
+        borderColor: Colors.border,
+        borderWidth: 1,
+        borderRadius: 18,
+        padding: 16,
+        marginBottom: 18,
+      }}
+    >
+      <Text
+        style={{
+          color: Colors.text,
+          fontFamily: Fonts.bodySemiBold,
+          fontSize: 14,
+          marginBottom: 6,
+        }}
+      >
+        Official SSO handoff
+      </Text>
+      <Text
+        style={{
+          color: Colors.muted,
+          fontFamily: Fonts.body,
+          fontSize: 12,
+          lineHeight: 18,
+        }}
+      >
+        {text}
+      </Text>
+    </View>
+  );
+}
+
+function Label({
+  icon,
+  children,
+}: {
+  icon: keyof typeof Feather.glyphMap;
+  children: string;
+}) {
+  return (
+    <View style={{ flexDirection: "row", gap: 8, alignItems: "center", marginTop: 18, marginBottom: 10 }}>
+      <Feather name={icon} size={15} color={Colors.accent} />
+      <Text
+        style={{
+          color: Colors.muted,
+          fontFamily: Fonts.bodySemiBold,
+          fontSize: 12,
+          textTransform: "uppercase",
+          letterSpacing: 0.7,
+        }}
+      >
+        {children}
+      </Text>
+    </View>
+  );
+}
+
+function Horizontal({ children }: { children: React.ReactNode }) {
+  return (
+    <ScrollView
+      horizontal
+      showsHorizontalScrollIndicator={false}
+      contentContainerStyle={{ gap: 8, paddingRight: 20 }}
+    >
+      {children}
+    </ScrollView>
+  );
+}
+
+function Chip({
+  label,
+  selected,
+  onPress,
+}: {
+  label: string;
+  selected: boolean;
+  onPress: () => void;
+}) {
+  return (
+    <Pressable
+      onPress={onPress}
+      style={{
+        backgroundColor: selected ? Colors.accentBg : Colors.card,
+        borderColor: selected ? Colors.accentBorder : Colors.border,
+        borderWidth: 1,
+        borderRadius: 999,
+        paddingHorizontal: 14,
+        paddingVertical: 9,
+      }}
+    >
+      <Text
+        style={{
+          color: selected ? Colors.accent : Colors.text,
+          fontFamily: selected ? Fonts.bodySemiBold : Fonts.body,
+          fontSize: 12,
+        }}
+      >
+        {label}
+      </Text>
+    </Pressable>
+  );
+}
+
+function Toggle({
+  label,
+  value,
+  onPress,
+}: {
+  label: string;
+  value: boolean;
+  onPress: () => void;
+}) {
+  return (
+    <Pressable
+      onPress={onPress}
+      style={{
+        backgroundColor: Colors.card,
+        borderColor: value ? Colors.accentBorder : Colors.border,
+        borderWidth: 1,
+        borderRadius: 16,
+        padding: 14,
+        marginBottom: 8,
+        flexDirection: "row",
+        justifyContent: "space-between",
+        alignItems: "center",
+      }}
+    >
+      <Text style={{ color: Colors.text, fontFamily: Fonts.body, fontSize: 13 }}>
+        {label}
+      </Text>
+      <Feather
+        name={value ? "toggle-right" : "toggle-left"}
+        size={28}
+        color={value ? Colors.accent : Colors.muted}
+      />
+    </Pressable>
+  );
+}
+
+function Summary({ label, value }: { label: string; value: string }) {
+  return (
+    <View style={{ flexDirection: "row", justifyContent: "space-between", gap: 16, paddingVertical: 3 }}>
+      <Text style={{ color: Colors.muted, fontFamily: Fonts.body, fontSize: 12 }}>
+        {label}
+      </Text>
+      <Text
+        style={{
+          color: Colors.text,
+          fontFamily: Fonts.bodyMedium,
+          fontSize: 12,
+          flex: 1,
+          textAlign: "right",
+        }}
+      >
+        {value}
+      </Text>
+    </View>
+  );
+}
\ No newline at end of file
diff --git a/app/(tabs)/map.tsx b/app/(tabs)/map.tsx
index fbd2226..e267e9f 100644
--- a/app/(tabs)/map.tsx
+++ b/app/(tabs)/map.tsx
@@ -58,8 +58,7 @@ function areSameRoute(a: RoutingGraphEdge[], b: RoutingGraphEdge[]) {
 
 export default function MapScreen() {
   const userLocation = useUserLocation(3);
-  const [useCurrentLocationAsStart, setUseCurrentLocationAsStart] =
-    useState(true);
+  const [useCurrentLocationAsStart, setUseCurrentLocationAsStart] =useState(true);
   const [routeSeedLocation, setRouteSeedLocation] = useState<
     [number, number] | null
   >(null);
diff --git a/package-lock.json b/package-lock.json
index 2481574..9ddb61e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -29,13 +29,14 @@
         "expo-router": "~55.0.14",
         "expo-splash-screen": "~55.0.20",
         "expo-status-bar": "~55.0.6",
-        "express": "^5.2.1",
         "expo-system-ui": "~55.0.17",
+        "express": "^5.2.1",
         "nativewind": "^4.2.2",
         "postgres": "^3.4.9",
         "react": "19.2.0",
         "react-dom": "19.2.0",
         "react-native": "0.83.6",
+        "react-native-is-edge-to-edge": "^1.3.1",
         "react-native-maps": "1.27.2",
         "react-native-reanimated": "4.2.1",
         "react-native-safe-area-context": "~5.6.2",
@@ -3914,6 +3915,69 @@
         "node": ">= 20.19.4"
       }
     },
+    "node_modules/@react-native/dev-middleware/node_modules/fresh": {
+      "version": "0.5.2",
+      "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
+      "integrity": "sha512-zJ2mQYM18rEFOudeV4GShTGIQ7RbzA7ozbU9I/XBpm7kqgMywgmylMwXHxZJmkVoYkna9d2pVXVXPdYTP9ej8Q==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/@react-native/dev-middleware/node_modules/send": {
+      "version": "0.19.2",
+      "resolved": "https://registry.npmjs.org/send/-/send-0.19.2.tgz",
+      "integrity": "sha512-VMbMxbDeehAxpOtWJXlcUS5E8iXh6QmN+BkRX1GARS3wRaXEEgzCcB10gTQazO42tpNIya8xIyNx8fll1OFPrg==",
+      "license": "MIT",
+      "dependencies": {
+        "debug": "2.6.9",
+        "depd": "2.0.0",
+        "destroy": "1.2.0",
+        "encodeurl": "~2.0.0",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
+        "fresh": "~0.5.2",
+        "http-errors": "~2.0.1",
+        "mime": "1.6.0",
+        "ms": "2.1.3",
+        "on-finished": "~2.4.1",
+        "range-parser": "~1.2.1",
+        "statuses": "~2.0.2"
+      },
+      "engines": {
+        "node": ">= 0.8.0"
+      }
+    },
+    "node_modules/@react-native/dev-middleware/node_modules/send/node_modules/debug": {
+      "version": "2.6.9",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+      "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "2.0.0"
+      }
+    },
+    "node_modules/@react-native/dev-middleware/node_modules/send/node_modules/debug/node_modules/ms": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+      "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==",
+      "license": "MIT"
+    },
+    "node_modules/@react-native/dev-middleware/node_modules/serve-static": {
+      "version": "1.16.3",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.16.3.tgz",
+      "integrity": "sha512-x0RTqQel6g5SY7Lg6ZreMmsOzncHFU7nhnRWkKgWuMTu5NN0DR5oruckMqRvacAN9d5w6ARnRBXl9xhDCgfMeA==",
+      "license": "MIT",
+      "dependencies": {
+        "encodeurl": "~2.0.0",
+        "escape-html": "~1.0.3",
+        "parseurl": "~1.3.3",
+        "send": "~0.19.1"
+      },
+      "engines": {
+        "node": ">= 0.8.0"
+      }
+    },
     "node_modules/@react-native/gradle-plugin": {
       "version": "0.83.6",
       "resolved": "https://registry.npmjs.org/@react-native/gradle-plugin/-/gradle-plugin-0.83.6.tgz",
@@ -4818,18 +4882,6 @@
         "url": "https://opencollective.com/express"
       }
     },
-    "node_modules/body-parser/node_modules/on-finished": {
-      "version": "2.4.1",
-      "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.4.1.tgz",
-      "integrity": "sha512-oVlzkg3ENAhCk2zdv7IJwd/QUD4z2RxRwpkcGY8psCVcCYZNq4wYnVWALHM+brtuJjePWiYF/ClmuDr8Ch5+kg==",
-      "license": "MIT",
-      "dependencies": {
-        "ee-first": "1.1.1"
-      },
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
     "node_modules/bplist-creator": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/bplist-creator/-/bplist-creator-0.1.0.tgz",
@@ -5292,12 +5344,60 @@
         "ms": "2.0.0"
       }
     },
+    "node_modules/connect/node_modules/encodeurl": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
+      "integrity": "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/connect/node_modules/finalhandler": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.2.tgz",
+      "integrity": "sha512-aAWcW57uxVNrQZqFXjITpW3sIUQmHGG3qSb9mUah9MgMC4NeWhNOlNjXEYq3HjRAvL6arUviZGGJsBg6z0zsWA==",
+      "license": "MIT",
+      "dependencies": {
+        "debug": "2.6.9",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "on-finished": "~2.3.0",
+        "parseurl": "~1.3.3",
+        "statuses": "~1.5.0",
+        "unpipe": "~1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/connect/node_modules/ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
       "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==",
       "license": "MIT"
     },
+    "node_modules/connect/node_modules/on-finished": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",
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+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.2.tgz",
+      "integrity": "sha512-DvEy55V3DB7uknRo+4iOGT5fP1slR8wQohVdknigZPMpMstaKJQWhwiYBACJE3Ul2pTnATihhBYnRhZQHGBiRw==",
       "license": "MIT",
       "engines": {
-        "node": ">= 0.6"
+        "node": ">= 0.8"
       }
     },
     "node_modules/stream-buffers": {
diff --git a/package.json b/package.json
index 80926b2..6bde4ea 100644
--- a/package.json
+++ b/package.json
@@ -30,13 +30,14 @@
     "expo-router": "~55.0.14",
     "expo-splash-screen": "~55.0.20",
     "expo-status-bar": "~55.0.6",
-    "express": "^5.2.1",
     "expo-system-ui": "~55.0.17",
+    "express": "^5.2.1",
     "nativewind": "^4.2.2",
     "postgres": "^3.4.9",
     "react": "19.2.0",
     "react-dom": "19.2.0",
     "react-native": "0.83.6",
+    "react-native-is-edge-to-edge": "^1.3.1",
     "react-native-maps": "1.27.2",
     "react-native-reanimated": "4.2.1",
     "react-native-safe-area-context": "~5.6.2",