1 files changed, 101 insertions, 0 deletions
diff --git a/src/components/scrollbar_element.style.js b/src/components/scrollbar_element.style.js
new file mode 100644
index 00000000..da942ab2
--- /dev/null
+++ b/src/components/scrollbar_element.style.js
@@ -0,0 +1,101 @@
+const border = (top, shadow) => ({
+  x: 0,
+  y: top ? 1 : -1,
+  blur: 0,
+  spread: 0,
+  color: shadow ? '#000000' : '#FFFFFF',
+  alpha: 0.2,
+  inset: true
+})
+
+const buttonInsetFakeBorders = [border(true, false), border(false, true)]
+const inputInsetFakeBorders = [border(true, true), border(false, false)]
+const buttonOuterShadow = {
+  x: 0,
+  y: 0,
+  blur: 2,
+  spread: 0,
+  color: '#000000',
+  alpha: 1
+}
+
+const hoverGlow = {
+  x: 0,
+  y: 0,
+  blur: 4,
+  spread: 0,
+  color: '--text',
+  alpha: 1
+}
+
+export default {
+  name: 'ScrollbarElement',
+  selector: '::-webkit-scrollbar-button',
+  states: {
+    pressed: ':active',
+    hover: ':hover:not(:disabled)',
+    disabled: ':disabled'
+  },
+  validInnerComponents: [
+    'Text'
+  ],
+  defaultRules: [
+    {
+      directives: {
+        background: '--fg',
+        shadow: [buttonOuterShadow, ...buttonInsetFakeBorders],
+        roundness: 3
+      }
+    },
+    {
+      state: ['hover'],
+      directives: {
+        shadow: [hoverGlow, ...buttonInsetFakeBorders]
+      }
+    },
+    {
+      state: ['pressed'],
+      directives: {
+        shadow: [buttonOuterShadow, ...inputInsetFakeBorders]
+      }
+    },
+    {
+      state: ['hover', 'pressed'],
+      directives: {
+        shadow: [hoverGlow, ...inputInsetFakeBorders]
+      }
+    },
+    {
+      state: ['toggled'],
+      directives: {
+        background: '--accent,-24.2',
+        shadow: [buttonOuterShadow, ...inputInsetFakeBorders]
+      }
+    },
+    {
+      state: ['toggled', 'hover'],
+      directives: {
+        background: '--accent,-24.2',
+        shadow: [hoverGlow, ...inputInsetFakeBorders]
+      }
+    },
+    {
+      state: ['disabled'],
+      directives: {
+        background: '$blend(--inheritedBackground, 0.25, --parent)',
+        shadow: [...buttonInsetFakeBorders]
+      }
+    },
+    {
+      component: 'Text',
+      parent: {
+        component: 'Button',
+        state: ['disabled']
+      },
+      directives: {
+        textOpacity: 0.25,
+        textOpacityMode: 'blend'
+      }
+    }
+  ]
+}