mini player + dark glass: eight shapes run by the hidden main as the one brain, dissolving covers and accents, drag from anywhere, and the space between the panes turned to real acrylic - with the webview flags that keep rest frames honest

src-tauri/src/config.rs

@@ -140,6 +140,10 @@ pub struct AppConfig {
     #[serde(default)]
     pub volume_normalization: Option<bool>,
     pub word_timing: Option<bool>,
+    /// Dark-glass mode: acrylic blur behind a transparent window, with the
+    /// base surfaces thinned in CSS so the desktop glows through. None → false.
+    #[serde(default)]
+    pub glass_mode: Option<bool>,
 }
 
 /// Default longest edge for embedded covers when the user hasn't chosen.
@@ -185,6 +189,10 @@ pub fn volume_normalization(cfg: &AppConfig) -> bool {
 /// default: generated word spans still drift on dense or echo-heavy mixes,
 /// and the solid line-level sync must be what users live with until the
 /// feature earns its keep (Kyle, 2026-08-19).
+pub fn glass_mode(cfg: &AppConfig) -> bool {
+    cfg.glass_mode.unwrap_or(false)
+}
+
 pub fn word_timing(cfg: &AppConfig) -> bool {
     cfg.word_timing.unwrap_or(false)
 }