diff --git a/.codex/config.toml##os.Linux b/.codex/config.toml##os.Linux
index 9a7ccdf..1d2e8a7 100644
--- a/.codex/config.toml##os.Linux
+++ b/.codex/config.toml##os.Linux
@@ -1,5 +1,5 @@
 model = "gpt-5.5"
-model_reasoning_effort = "high"
+model_reasoning_effort = "medium"
 personality = "pragmatic"
 tool_output_token_limit = 25000
 # Leave room for native compaction near the 272–273k context window.
diff --git a/.config/mpv-modules/ModernZ b/.config/mpv-modules/ModernZ
index 4ee0abf..4f7922f 160000
--- a/.config/mpv-modules/ModernZ
+++ b/.config/mpv-modules/ModernZ
@@ -1 +1 @@
-Subproject commit 4ee0abfd4ab40384ddccb7f8fa9fff601e6c9154
+Subproject commit 4f7922f65e5a05907f7caba655067350504d8520
diff --git a/.config/mpv/script-opts/modernz.conf b/.config/mpv/script-opts/modernz.conf
index ec03d67..89d6a74 100644
--- a/.config/mpv/script-opts/modernz.conf
+++ b/.config/mpv/script-opts/modernz.conf
@@ -304,6 +304,7 @@ nibbles_style=triangle
 nibble_color=#C6A0F6
 # color of the current chapter nibble on the seekbar
 nibble_current_color=#B7BDF8
+nibbles_style=single-bar # gap, triangle, bar, single-bar
 
 # automatically set keyframes for the seekbar based on video length
 automatickeyframemode=yes