nix: setup sccache

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I375e0d41d42939b63a01a59d41b3fd426a6a6964

crates/pinakes-ui/Cargo.toml

@@ -38,3 +38,6 @@ default = ["web"]
 web = ["dioxus/web"]
 desktop = ["dioxus/desktop"]
 mobile = ["dioxus/mobile"]
+
+[build-dependencies]
+grass = "0.13"

crates/pinakes-ui/build.rs

@@ -0,0 +1,33 @@
+#![expect(
+  clippy::expect_used,
+  reason = "build scripts conventionally panic on failure; there is no caller \
+            to propagate errors to"
+)]
+
+use std::{fs, path::Path};
+
+fn main() {
+  // Compile SCSS to CSS
+  let scss_dir = Path::new("assets/styles");
+  let css_dir = Path::new("assets/css");
+
+  // Create CSS output directory if it doesn't exist
+  fs::create_dir_all(css_dir).expect("Failed to create CSS directory");
+
+  // Compile main.scss
+  let scss_input = scss_dir.join("main.scss");
+  let css_output = css_dir.join("main.css");
+
+  if scss_input.exists() {
+    let css = grass::from_path(
+      &scss_input,
+      &grass::Options::default().style(grass::OutputStyle::Compressed),
+    )
+    .expect("Failed to compile SCSS");
+
+    fs::write(&css_output, css).expect("Failed to write CSS");
+
+    // Tell cargo to rerun if SCSS files change
+    println!("cargo:rerun-if-changed=assets/styles");
+  }
+}

crates/pinakes-ui/src/styles.rs

@@ -1,7 +1,8 @@
 //! Styles module for Pinakes UI
 //!
-//! Exports the SCSS asset for use with Dioxus.
+//! Exports the CSS asset for use with Dioxus.
+//! SCSS files are compiled to CSS via build.rs.
 
 use dioxus::prelude::*;
 
-pub static STYLES: Asset = asset!("/assets/styles/main.scss");
+pub static STYLES: Asset = asset!("/assets/css/main.css");