diff --git a/modules/Backlight.qml b/modules/Backlight.qml
index 8eddbf2..a0ccc90 100644
--- a/modules/Backlight.qml
+++ b/modules/Backlight.qml
@@ -2,13 +2,26 @@ import QtQuick
 import Quickshell.Io
 import "." as M
 
-Row {
+M.BarSection {
     id: root
     spacing: 4
     visible: percent > 0
+    tooltip: "Brightness: " + root.percent + "%"
 
     property int percent: 0
 
+    Process {
+        id: adjProc
+        property string cmd: ""
+        command: ["sh", "-c", cmd]
+        onRunningChanged: if (!running && cmd !== "") current.reload()
+    }
+
+    function adjust(delta) {
+        adjProc.cmd = delta > 0 ? "light -A 5" : "light -U 5";
+        adjProc.running = true;
+    }
+
     FileView {
         id: current
         path: "/sys/class/backlight/intel_backlight/brightness"
@@ -36,4 +49,8 @@ Row {
         font.family: M.Theme.fontFamily
         anchors.verticalCenter: parent.verticalCenter
     }
+
+    WheelHandler {
+        onWheel: event => root.adjust(event.angleDelta.y)
+    }
 }
diff --git a/modules/BarIcon.qml b/modules/BarIcon.qml
index 82a4df5..3d22c14 100644
--- a/modules/BarIcon.qml
+++ b/modules/BarIcon.qml
@@ -1,12 +1,20 @@
 import QtQuick
+import QtQuick.Controls
 import "." as M
 
 Text {
     property string icon: ""
+    property string tooltip: ""
 
     text: icon
     color: M.Theme.base05
     font.pixelSize: M.Theme.fontSize + 1
     font.family: M.Theme.iconFontFamily
     verticalAlignment: Text.AlignVCenter
+
+    HoverHandler { id: _hover }
+    ToolTip {
+        visible: _hover.hovered && parent.tooltip !== ""
+        text: parent.tooltip
+    }
 }
diff --git a/modules/BarLabel.qml b/modules/BarLabel.qml
index c16119f..d92d0f3 100644
--- a/modules/BarLabel.qml
+++ b/modules/BarLabel.qml
@@ -1,12 +1,20 @@
 import QtQuick
+import QtQuick.Controls
 import "." as M
 
 Text {
     property string label: ""
+    property string tooltip: ""
 
     text: label
     color: M.Theme.base05
     font.pixelSize: M.Theme.fontSize
     font.family: M.Theme.fontFamily
     verticalAlignment: Text.AlignVCenter
+
+    HoverHandler { id: _hover }
+    ToolTip {
+        visible: _hover.hovered && parent.tooltip !== ""
+        text: parent.tooltip
+    }
 }
diff --git a/modules/BarSection.qml b/modules/BarSection.qml
new file mode 100644
index 0000000..7c9b236
--- /dev/null
+++ b/modules/BarSection.qml
@@ -0,0 +1,12 @@
+import QtQuick
+import QtQuick.Controls
+
+Row {
+    property string tooltip: ""
+
+    HoverHandler { id: _hover }
+    ToolTip {
+        visible: _hover.hovered && parent.tooltip !== ""
+        text: parent.tooltip
+    }
+}
diff --git a/modules/Battery.qml b/modules/Battery.qml
index 4290633..11d6c1b 100644
--- a/modules/Battery.qml
+++ b/modules/Battery.qml
@@ -2,10 +2,17 @@ import QtQuick
 import Quickshell.Services.UPower
 import "." as M
 
-Row {
+M.BarSection {
     id: root
     spacing: 4
     visible: UPower.displayDevice?.isLaptopBattery ?? false
+    tooltip: {
+        const state = root.charging ? "Charging" : "Discharging";
+        const t = root.charging ? root.dev?.timeToFull : root.dev?.timeToEmpty;
+        const mins = t ? Math.round(t / 60) : 0;
+        const timeStr = mins > 0 ? "\n" + Math.floor(mins / 60) + "h " + (mins % 60) + "m " + (root.charging ? "until full" : "remaining") : "";
+        return state + " \u2014 " + Math.round(root.pct) + "%" + timeStr;
+    }
 
     readonly property var dev: UPower.displayDevice
     readonly property real pct: (dev?.percentage ?? 0) * 100
diff --git a/modules/Bluetooth.qml b/modules/Bluetooth.qml
index a7ac784..07e2c56 100644
--- a/modules/Bluetooth.qml
+++ b/modules/Bluetooth.qml
@@ -2,9 +2,10 @@ import QtQuick
 import Quickshell.Io
 import "." as M
 
-Row {
+M.BarSection {
     id: root
     spacing: 4
+    tooltip: root.status === "connected" ? "Bluetooth: " + root.device : "Bluetooth: on"
 
     property string status: "off"
     property string device: ""
diff --git a/modules/Clock.qml b/modules/Clock.qml
index 340da86..6506124 100644
--- a/modules/Clock.qml
+++ b/modules/Clock.qml
@@ -2,15 +2,13 @@ import QtQuick
 import Quickshell
 import "." as M
 
-Text {
+M.BarLabel {
     SystemClock {
         id: clock
-        precision: SystemClock.Minutes
+        precision: SystemClock.Seconds
     }
 
-    text: Qt.formatDateTime(clock.date, "ddd, dd. MMM  HH:mm")
-    color: M.Theme.base05
     font.pixelSize: M.Theme.fontSize + 1
-    font.family: M.Theme.fontFamily
-    verticalAlignment: Text.AlignVCenter
+    label: Qt.formatDateTime(clock.date, "ddd, dd. MMM  HH:mm")
+    tooltip: Qt.formatDateTime(clock.date, "dddd, dd. MMMM yyyy\nHH:mm:ss")
 }
diff --git a/modules/Cpu.qml b/modules/Cpu.qml
index bb0a860..00a1eb6 100644
--- a/modules/Cpu.qml
+++ b/modules/Cpu.qml
@@ -2,13 +2,13 @@ import QtQuick
 import Quickshell.Io
 import "." as M
 
-Row {
+M.BarSection {
     id: root
     spacing: 2
+    tooltip: "CPU: " + root.usage + "%\n" + root.freqGhz.toFixed(2) + " GHz"
 
     property int usage: 0
     property real freqGhz: 0
-
     property var _prev: null
 
     FileView {
@@ -25,10 +25,7 @@ Row {
                 if (dTotal > 0)
                     root.usage = Math.round((1 - dIdle / dTotal) * 100);
             }
-            root._prev = {
-                idle,
-                total
-            };
+            root._prev = { idle, total };
         }
     }
     FileView {
@@ -36,8 +33,7 @@ Row {
         path: "/proc/cpuinfo"
         onLoaded: {
             const lines = text().split("\n").filter(l => l.startsWith("cpu MHz"));
-            if (lines.length === 0)
-                return;
+            if (lines.length === 0) return;
             const sum = lines.reduce((a, l) => a + parseFloat(l.split(":")[1]), 0);
             root.freqGhz = sum / lines.length / 1000;
         }
@@ -46,10 +42,7 @@ Row {
         interval: 1000
         running: true
         repeat: true
-        onTriggered: {
-            stat.reload();
-            cpuinfo.reload();
-        }
+        onTriggered: { stat.reload(); cpuinfo.reload(); }
     }
 
     M.BarIcon {
diff --git a/modules/Disk.qml b/modules/Disk.qml
index d1e0417..df33abc 100644
--- a/modules/Disk.qml
+++ b/modules/Disk.qml
@@ -2,9 +2,10 @@ import QtQuick
 import Quickshell.Io
 import "." as M
 
-Row {
+M.BarSection {
     id: root
     spacing: 2
+    tooltip: root.freePct + "% free of " + root.totalTb.toFixed(1) + " TB"
 
     property int freePct: 0
     property real totalTb: 0
diff --git a/modules/IdleInhibitor.qml b/modules/IdleInhibitor.qml
index 41423f1..d2b0fbe 100644
--- a/modules/IdleInhibitor.qml
+++ b/modules/IdleInhibitor.qml
@@ -4,6 +4,7 @@ import "." as M
 
 M.BarIcon {
     id: root
+    tooltip: "Idle inhibition: " + (root.active ? "active" : "inactive")
 
     property bool active: false
 
diff --git a/modules/Memory.qml b/modules/Memory.qml
index 9711d86..1faab25 100644
--- a/modules/Memory.qml
+++ b/modules/Memory.qml
@@ -2,9 +2,10 @@ import QtQuick
 import Quickshell.Io
 import "." as M
 
-Row {
+M.BarSection {
     id: root
     spacing: 2
+    tooltip: "Memory: " + root.percent + "% used"
 
     property int percent: 0
 
@@ -15,8 +16,7 @@ Row {
             const m = {};
             text().split("\n").forEach(l => {
                 const [k, v] = l.split(":");
-                if (v)
-                    m[k.trim()] = parseInt(v.trim());
+                if (v) m[k.trim()] = parseInt(v.trim());
             });
             const total = m.MemTotal;
             const avail = m.MemAvailable;
diff --git a/modules/Mpris.qml b/modules/Mpris.qml
index 52e34f5..5ed5737 100644
--- a/modules/Mpris.qml
+++ b/modules/Mpris.qml
@@ -2,10 +2,19 @@ import QtQuick
 import Quickshell.Services.Mpris
 import "." as M
 
-Row {
+M.BarSection {
     id: root
     spacing: 4
     visible: player !== null
+    tooltip: {
+        const p = root.player;
+        if (!p) return "";
+        const parts = [];
+        if (p.trackTitle) parts.push(p.trackTitle);
+        if (p.trackArtists?.length) parts.push(p.trackArtists.join(", "));
+        if (p.trackAlbum) parts.push(p.trackAlbum);
+        return parts.join("\n") || p.identity;
+    }
 
     readonly property MprisPlayer player: Mpris.players.values[0] ?? null
     readonly property bool playing: player?.playbackState === MprisPlaybackState.Playing
diff --git a/modules/Network.qml b/modules/Network.qml
index 74589e5..e9451ef 100644
--- a/modules/Network.qml
+++ b/modules/Network.qml
@@ -2,9 +2,15 @@ import QtQuick
 import Quickshell.Io
 import "." as M
 
-Row {
+M.BarSection {
     id: root
     spacing: 4
+    tooltip: {
+        if (root.state === "wifi")    return "WiFi: " + root.essid + (root.ifname ? "\nInterface: " + root.ifname : "");
+        if (root.state === "eth")     return "Ethernet: " + root.ifname;
+        if (root.state === "linked")  return "Linked: " + root.ifname;
+        return "Disconnected";
+    }
 
     property string ifname: ""
     property string essid: ""
@@ -44,12 +50,9 @@ Row {
 
     M.BarIcon {
         icon: {
-            if (root.state === "wifi")
-                return "\uF1EB";
-            if (root.state === "eth")
-                return "\uDB80\uDE00";
-            if (root.state === "linked")
-                return "\uDB85\uDE16";
+            if (root.state === "wifi")   return "\uF1EB";
+            if (root.state === "eth")    return "\uDB80\uDE00";
+            if (root.state === "linked") return "\uDB85\uDE16";
             return "\uDB82\uDCFD";
         }
         anchors.verticalCenter: parent.verticalCenter
diff --git a/modules/Notifications.qml b/modules/Notifications.qml
index 63f3890..fdca87d 100644
--- a/modules/Notifications.qml
+++ b/modules/Notifications.qml
@@ -2,9 +2,15 @@ import QtQuick
 import Quickshell.Io
 import "." as M
 
-Row {
+M.BarSection {
     id: root
     spacing: 4
+    tooltip: {
+        const parts = [root.count + " notification" + (root.count !== 1 ? "s" : "")];
+        if (root.dnd) parts.push("Do not disturb");
+        if (root.inhibited) parts.push("Inhibited");
+        return parts.join("\n");
+    }
 
     property int count: 0
     property bool dnd: false
@@ -55,7 +61,5 @@ Row {
             clicker.running = true;
         }
     }
-    Process {
-        id: clicker
-    }
+    Process { id: clicker }
 }
diff --git a/modules/PowerProfile.qml b/modules/PowerProfile.qml
index b26d6ff..e3c0bb0 100644
--- a/modules/PowerProfile.qml
+++ b/modules/PowerProfile.qml
@@ -4,6 +4,7 @@ import "." as M
 
 M.BarIcon {
     id: root
+    tooltip: "Power profile: " + (root.profile || "unknown")
 
     property string profile: ""
 
@@ -28,4 +29,20 @@ M.BarIcon {
         repeat: true
         onTriggered: proc.running = true
     }
+
+    Process {
+        id: setter
+        property string next: ""
+        command: ["powerprofilesctl", "set", next]
+        onRunningChanged: if (!running && next !== "") proc.running = true
+    }
+
+    TapHandler {
+        onTapped: {
+            const cycle = ["performance", "balanced", "power-saver"];
+            const idx = cycle.indexOf(root.profile);
+            setter.next = cycle[(idx + 1) % cycle.length];
+            setter.running = true;
+        }
+    }
 }
diff --git a/modules/Temperature.qml b/modules/Temperature.qml
index 62d5dd1..c302962 100644
--- a/modules/Temperature.qml
+++ b/modules/Temperature.qml
@@ -2,9 +2,10 @@ import QtQuick
 import Quickshell.Io
 import "." as M
 
-Row {
+M.BarSection {
     id: root
     spacing: 2
+    tooltip: "Temperature: " + root.celsius + "\u00B0C"
 
     property int celsius: 0
 
@@ -26,7 +27,7 @@ Row {
         anchors.verticalCenter: parent.verticalCenter
     }
     Text {
-        text: root.celsius + "°C"
+        text: root.celsius + "\u00B0C"
         color: root.celsius > 80 ? M.Theme.base08 : M.Theme.base05
         font.pixelSize: M.Theme.fontSize
         font.family: M.Theme.fontFamily
diff --git a/modules/Volume.qml b/modules/Volume.qml
index 92a5609..f17d676 100644
--- a/modules/Volume.qml
+++ b/modules/Volume.qml
@@ -2,9 +2,12 @@ import QtQuick
 import Quickshell.Services.Pipewire
 import "." as M
 
-Row {
+M.BarSection {
     id: root
     spacing: 4
+    tooltip: (root.sink?.description ?? root.sink?.name ?? "Unknown sink") +
+             "\nVolume: " + Math.round(root.volume * 100) + "%" +
+             (root.muted ? "\nMuted" : "")
 
     PwObjectTracker {
         objects: [Pipewire.defaultAudioSink]
@@ -26,4 +29,11 @@ Row {
     TapHandler {
         onTapped: if (root.sink?.audio) root.sink.audio.muted = !root.sink.audio.muted
     }
+
+    WheelHandler {
+        onWheel: event => {
+            if (!root.sink?.audio) return;
+            root.sink.audio.volume = Math.max(0, root.sink.audio.volume + (event.angleDelta.y > 0 ? 0.05 : -0.05));
+        }
+    }
 }
diff --git a/modules/Weather.qml b/modules/Weather.qml
index 2b65aaf..94f8bd6 100644
--- a/modules/Weather.qml
+++ b/modules/Weather.qml
@@ -2,10 +2,12 @@ import QtQuick
 import Quickshell.Io
 import "." as M
 
-Text {
+M.BarSection {
     id: root
+    spacing: 4
+    tooltip: root.weatherTooltip
 
-    property string label: ""
+    property string weatherTooltip: ""
 
     Process {
         id: proc
@@ -15,9 +17,11 @@ Text {
             onStreamFinished: {
                 try {
                     const data = JSON.parse(text);
-                    root.label = data.text ?? "";
+                    label.text = data.text ?? "";
+                    root.weatherTooltip = data.tooltip ?? "";
                 } catch (e) {
-                    root.label = "";
+                    label.text = "";
+                    root.weatherTooltip = "";
                 }
             }
         }
@@ -29,9 +33,11 @@ Text {
         onTriggered: proc.running = true
     }
 
-    text: root.label
-    color: M.Theme.base05
-    font.pixelSize: M.Theme.fontSize
-    font.family: M.Theme.iconFontFamily
-    verticalAlignment: Text.AlignVCenter
+    Text {
+        id: label
+        color: M.Theme.base05
+        font.pixelSize: M.Theme.fontSize
+        font.family: M.Theme.iconFontFamily
+        anchors.verticalCenter: parent.verticalCenter
+    }
 }
diff --git a/modules/Wlogout.qml b/modules/Wlogout.qml
index dfcae8b..48825f3 100644
--- a/modules/Wlogout.qml
+++ b/modules/Wlogout.qml
@@ -4,6 +4,7 @@ import "." as M
 
 M.BarIcon {
     icon: "\uF011"
+    tooltip: "Open logout menu"
 
     Process {
         id: proc
diff --git a/modules/qmldir b/modules/qmldir
index f0c494e..77815c6 100644
--- a/modules/qmldir
+++ b/modules/qmldir
@@ -1,6 +1,7 @@
 module modules
 singleton Theme 1.0 Theme.qml
 Bar 1.0 Bar.qml
+BarSection 1.0 BarSection.qml
 Workspaces 1.0 Workspaces.qml
 WindowTitle 1.0 WindowTitle.qml
 Clock 1.0 Clock.qml