diff --git a/dot_config/umbriel/binds.toml b/dot_config/umbriel/binds.toml
index bdfeeee..616909e 100644
--- a/dot_config/umbriel/binds.toml
+++ b/dot_config/umbriel/binds.toml
@@ -18,6 +18,7 @@
 "Mod+Period" = { action = "spawn:noctalia msg panel-toggle control-center", repeat = false }
 "Mod+Comma" = { action = "spawn:noctalia msg settings-toggle", repeat = false }
 "Super+Alt+Ctrl+N" = { action = "spawn:noctalia msg panel-open noctalia/notes:panel", repeat = false }
+"Mod+Shift+B" = { action = "spawn:noctalia msg panel-toggle dunarand/bookmarks:panel", repeat = false }
 "Mod+Ctrl+R" = { action = "spawn:noctalia msg plugin prdlk/ostt:recorder focused toggle", repeat = false }
 "Mod+Shift+Q" = { action = "spawn:noctalia msg panel-toggle session", repeat = false }
 "Mod+Shift+E" = "session-quit"
@@ -51,7 +52,7 @@
 # which lacks ~/.local/bin, hence the explicit path.
 
 "Super+Alt+Ctrl+J" = { action = "spawn:~/.local/bin/umbriel-launch '^(com[.]mitchellh[.]ghostty|kitty|alacritty)' ghostty", repeat = false }
-"Super+Alt+Ctrl+K" = { action = "spawn:~/.local/bin/umbriel-launch '^brave-origin$' brave-origin", repeat = false }
+"Super+Alt+Ctrl+K" = { action = "spawn:~/.local/bin/umbriel-launch '^(brave-origin|chromium|firefox)$' brave-origin", repeat = false }
 "Super+Alt+Ctrl+G" = { action = "spawn:~/.local/bin/umbriel-launch ghostty ghostty", repeat = false }
 "Super+Alt+Ctrl+O" = { action = "spawn:~/.local/bin/umbriel-launch '^obsidian$' obsidian", repeat = false }
 "Super+Alt+Ctrl+F" = { action = "spawn:~/.local/bin/umbriel-launch '^io[.]github[.]lgse[.]Strata$' gtk-launch io.github.lgse.Strata", repeat = false }
@@ -108,10 +109,16 @@
 "Alt+Shift+L" = "window-modify-primary-extent:0.1"
 "Alt+Shift+J" = "window-modify-secondary-extent:-0.1"
 "Alt+Shift+K" = "window-modify-secondary-extent:0.1"
+# Nudge the focused floating window 50 logical px, vim directions (held keys
+# repeat). window-move-by needs umbriel-git; the [cachyos] build lacks it.
+"Alt+H" = "window-move-by:-50/0"
+"Alt+J" = "window-move-by:0/50"
+"Alt+K" = "window-move-by:0/-50"
+"Alt+L" = "window-move-by:50/0"
 "Mod+F" = { action = "window-toggle-maximize", repeat = false }
 "Mod+Shift+F" = { action = "window-toggle-maximize-to-edges", repeat = false }
 "Mod+Ctrl+F" = { action = "window-toggle-fullscreen", repeat = false }
-"Mod+C" = "column-center"
+"Mod+C" = { action = "spawn:~/.local/bin/umbriel-float-square", repeat = false }
 "Mod+T" = { action = "window-toggle-floating", repeat = false }
 # Super+W flips the active workspace between scrolling and dwindle (Hyprland's
 # omarchy-toggle-layout). Super+G tabs the focused window with the windows
diff --git a/dot_config/umbriel/outputs.toml b/dot_config/umbriel/outputs.toml
index af92700..28f64be 100644
--- a/dot_config/umbriel/outputs.toml
+++ b/dot_config/umbriel/outputs.toml
@@ -4,10 +4,10 @@
 #
 # Scale: the externals land near 110 logical px per inch (the ultrawide's
 # native density), so a window keeps its size moving between them. The laptop
-# panel runs denser (149) at 1.5: at 2 its 1280x800 felt too zoomed in.
+# panel runs denser (112) at 2: 1280x800 logical.
 #
 #   display          physical       ppi   scale  logical     logical ppi
-#   laptop panel     2560x1600      224   1.5    1706x1066   149
+#   laptop panel     2560x1600      224   2      1280x800    112
 #   Studio Display   5120x2880      218   2      2560x1440   109
 #   ultrawide        3440x1440      110   1      3440x1440   110
 #   portables        1920x1080      141   1.25   1536x864    113
@@ -23,29 +23,81 @@
 # Laptop panel, eDP-1 (niri 91-internal-display).
 [output."Tianma Microelectronics Ltd. TL134ADXP03 Unknown"]
 position = [0, 0]
-scale = 1.5
+scale = 2.0
 vrr = "fullscreen"
 focus_at_startup = true
 
+# New scrolling columns take 80% of the narrow panel (global default is 1/3).
+[output."Tianma Microelectronics Ltd. TL134ADXP03 Unknown".layout.scrolling]
+default_extent_fraction = 0.8
+
 # Apple Studio Display (niri 93-apple-display): 2560x1440 logical.
 [output."Apple Computer Inc StudioDisplay 0x984262A7"]
-position = [-2560, -374]
+position = [-2560, -640]
 scale = 2.0
 
 # Samsung ultrawide (niri 92-ultrawide, Hyprland monitors.lua): 3440x1440.
 [output."Samsung Electric Company S34CG50 HNTY501103"]
 mode = "3440x1440@100"
-position = [-3440, -374]
+position = [-3440, -640]
 scale = 1.0
 vrr = "fullscreen"
 
+# Ultrawide workspaces start in dwindle. Umbriel has no per-output layout mode;
+# workspace rules need a name or an index, so positions 1–9 (Mod+1…9) each get
+# one. Mod+W still flips a workspace back to scrolling.
+[[workspace]]
+index = 1
+output = "Samsung Electric Company S34CG50 HNTY501103"
+layout.mode = "dwindle"
+
+[[workspace]]
+index = 2
+output = "Samsung Electric Company S34CG50 HNTY501103"
+layout.mode = "dwindle"
+
+[[workspace]]
+index = 3
+output = "Samsung Electric Company S34CG50 HNTY501103"
+layout.mode = "dwindle"
+
+[[workspace]]
+index = 4
+output = "Samsung Electric Company S34CG50 HNTY501103"
+layout.mode = "dwindle"
+
+[[workspace]]
+index = 5
+output = "Samsung Electric Company S34CG50 HNTY501103"
+layout.mode = "dwindle"
+
+[[workspace]]
+index = 6
+output = "Samsung Electric Company S34CG50 HNTY501103"
+layout.mode = "dwindle"
+
+[[workspace]]
+index = 7
+output = "Samsung Electric Company S34CG50 HNTY501103"
+layout.mode = "dwindle"
+
+[[workspace]]
+index = 8
+output = "Samsung Electric Company S34CG50 HNTY501103"
+layout.mode = "dwindle"
+
+[[workspace]]
+index = 9
+output = "Samsung Electric Company S34CG50 HNTY501103"
+layout.mode = "dwindle"
+
 # Portable HDMI panel, mounted portrait (niri 94-portable-hdmi): 864x1536.
 [output."PNP(AOP) 16PM1QB 14490001D3X00"]
 transform = "90"
-position = [-864, -470]
+position = [-864, -736]
 scale = 1.25
 
 # Portable USB-C panel (niri 95-portable-usbc): 1536x864.
 [output."ASUSTek COMPUTER INC ASUS MB16AC M8LMTF195749"]
-position = [-1536, 202]
+position = [-1536, -64]
 scale = 1.25
diff --git a/dot_config/umbriel/rules.toml b/dot_config/umbriel/rules.toml
index a9c13ef..85860aa 100644
--- a/dot_config/umbriel/rules.toml
+++ b/dot_config/umbriel/rules.toml
@@ -146,8 +146,8 @@ default_scratchpad = "lmstudio"
 
 # Presentation shared by every scratchpad resident: floating, centered on the
 # output, 48% × 77% of its usable area (1638×1109 on the ultrawide, the size
-# Fastmail was resized to; 819×799 on the laptop panel; 1229×1109 on the Studio
-# Display). Fractions rather than px so it fits the laptop's 1038px height.
+# Fastmail was resized to; 614×594 on the laptop panel; 1229×1109 on the Studio
+# Display). Fractions rather than px so it fits the laptop's 772px height.
 # Last, so it overrides default_floating = false from the translucent-apps
 # rule for Claude and Beeper.
 [[window_rule]]