Backgrounds: theme-aware patterns and visual preview grid

2026-05-13 21:51:19 -04:00
parent 77f0c0d4ca
commit f2bcd65a9b
4 changed files with 206 additions and 144 deletions
@@ -0,0 +1,144 @@
+import { CSSProperties } from 'react';
+import { ChatBackground } from '../../state/settings';
+
+export const BG_OPTIONS: { value: ChatBackground; label: string }[] = [
+  { value: 'none', label: 'None' },
+  { value: 'blueprint', label: 'Blueprint' },
+  { value: 'carbon', label: 'Carbon' },
+  { value: 'stars', label: 'Stars' },
+  { value: 'topographic', label: 'Topographic' },
+  { value: 'herringbone', label: 'Herringbone' },
+  { value: 'crosshatch', label: 'Crosshatch' },
+];
+
+const DARK: Record<ChatBackground, CSSProperties> = {
+  none: {},
+
+  blueprint: {
+    backgroundColor: '#0a1628',
+    backgroundImage: [
+      'linear-gradient(rgba(100,149,237,0.14) 1px, transparent 1px)',
+      'linear-gradient(90deg, rgba(100,149,237,0.14) 1px, transparent 1px)',
+      'linear-gradient(rgba(100,149,237,0.05) 1px, transparent 1px)',
+      'linear-gradient(90deg, rgba(100,149,237,0.05) 1px, transparent 1px)',
+    ].join(','),
+    backgroundSize: '80px 80px, 80px 80px, 16px 16px, 16px 16px',
+  },
+
+  carbon: {
+    backgroundColor: '#0e0e0e',
+    backgroundImage: [
+      'repeating-linear-gradient(45deg, rgba(255,255,255,0.035) 0, rgba(255,255,255,0.035) 2px, transparent 0, transparent 50%)',
+      'repeating-linear-gradient(135deg, rgba(255,255,255,0.035) 0, rgba(255,255,255,0.035) 2px, transparent 0, transparent 50%)',
+    ].join(','),
+    backgroundSize: '8px 8px',
+  },
+
+  stars: {
+    backgroundColor: '#050510',
+    backgroundImage: [
+      'radial-gradient(circle, rgba(255,255,255,0.85) 1px, transparent 1px)',
+      'radial-gradient(circle, rgba(255,255,255,0.55) 1px, transparent 1px)',
+      'radial-gradient(circle, rgba(200,200,255,0.3) 1px, transparent 1px)',
+    ].join(','),
+    backgroundSize: '130px 130px, 190px 190px, 260px 260px',
+    backgroundPosition: '0 0, 65px 32px, 32px 97px',
+  },
+
+  topographic: {
+    backgroundColor: '#0f0f17',
+    backgroundImage: [
+      'repeating-radial-gradient(circle at 20% 20%, transparent 0, transparent 30px, rgba(152,0,0,0.07) 31px, transparent 32px)',
+      'repeating-radial-gradient(circle at 80% 80%, transparent 0, transparent 25px, rgba(100,100,200,0.06) 26px, transparent 27px)',
+      'repeating-radial-gradient(circle at 50% 10%, transparent 0, transparent 45px, rgba(152,0,0,0.04) 46px, transparent 47px)',
+    ].join(','),
+  },
+
+  herringbone: {
+    backgroundColor: '#111118',
+    backgroundImage: [
+      'repeating-linear-gradient(60deg, rgba(180,160,210,0.08) 0, rgba(180,160,210,0.08) 1px, transparent 0, transparent 50%)',
+      'repeating-linear-gradient(120deg, rgba(180,160,210,0.08) 0, rgba(180,160,210,0.08) 1px, transparent 0, transparent 50%)',
+    ].join(','),
+    backgroundSize: '20px 36px',
+  },
+
+  crosshatch: {
+    backgroundColor: '#0f0f0f',
+    backgroundImage: [
+      'linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px)',
+      'linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px)',
+      'linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px)',
+      'linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px)',
+    ].join(','),
+    backgroundSize: '60px 60px, 60px 60px, 12px 12px, 12px 12px',
+  },
+};
+
+const LIGHT: Record<ChatBackground, CSSProperties> = {
+  none: {},
+
+  blueprint: {
+    backgroundColor: '#eef3ff',
+    backgroundImage: [
+      'linear-gradient(rgba(50,100,220,0.16) 1px, transparent 1px)',
+      'linear-gradient(90deg, rgba(50,100,220,0.16) 1px, transparent 1px)',
+      'linear-gradient(rgba(50,100,220,0.06) 1px, transparent 1px)',
+      'linear-gradient(90deg, rgba(50,100,220,0.06) 1px, transparent 1px)',
+    ].join(','),
+    backgroundSize: '80px 80px, 80px 80px, 16px 16px, 16px 16px',
+  },
+
+  carbon: {
+    backgroundColor: '#efefef',
+    backgroundImage: [
+      'repeating-linear-gradient(45deg, rgba(0,0,0,0.04) 0, rgba(0,0,0,0.04) 2px, transparent 0, transparent 50%)',
+      'repeating-linear-gradient(135deg, rgba(0,0,0,0.04) 0, rgba(0,0,0,0.04) 2px, transparent 0, transparent 50%)',
+    ].join(','),
+    backgroundSize: '8px 8px',
+  },
+
+  // Stars is intentionally always dark — it's a night-sky theme
+  stars: {
+    backgroundColor: '#050510',
+    backgroundImage: [
+      'radial-gradient(circle, rgba(255,255,255,0.85) 1px, transparent 1px)',
+      'radial-gradient(circle, rgba(255,255,255,0.55) 1px, transparent 1px)',
+      'radial-gradient(circle, rgba(200,200,255,0.3) 1px, transparent 1px)',
+    ].join(','),
+    backgroundSize: '130px 130px, 190px 190px, 260px 260px',
+    backgroundPosition: '0 0, 65px 32px, 32px 97px',
+  },
+
+  topographic: {
+    backgroundColor: '#faf8f5',
+    backgroundImage: [
+      'repeating-radial-gradient(circle at 20% 20%, transparent 0, transparent 30px, rgba(100,60,60,0.09) 31px, transparent 32px)',
+      'repeating-radial-gradient(circle at 80% 80%, transparent 0, transparent 25px, rgba(60,60,130,0.07) 26px, transparent 27px)',
+      'repeating-radial-gradient(circle at 50% 10%, transparent 0, transparent 45px, rgba(100,60,60,0.05) 46px, transparent 47px)',
+    ].join(','),
+  },
+
+  herringbone: {
+    backgroundColor: '#f9f9f9',
+    backgroundImage: [
+      'repeating-linear-gradient(60deg, rgba(80,70,110,0.09) 0, rgba(80,70,110,0.09) 1px, transparent 0, transparent 50%)',
+      'repeating-linear-gradient(120deg, rgba(80,70,110,0.09) 0, rgba(80,70,110,0.09) 1px, transparent 0, transparent 50%)',
+    ].join(','),
+    backgroundSize: '20px 36px',
+  },
+
+  crosshatch: {
+    backgroundColor: '#ffffff',
+    backgroundImage: [
+      'linear-gradient(rgba(0,0,0,0.07) 1px, transparent 1px)',
+      'linear-gradient(90deg, rgba(0,0,0,0.07) 1px, transparent 1px)',
+      'linear-gradient(rgba(0,0,0,0.025) 1px, transparent 1px)',
+      'linear-gradient(90deg, rgba(0,0,0,0.025) 1px, transparent 1px)',
+    ].join(','),
+    backgroundSize: '60px 60px, 60px 60px, 12px 12px, 12px 12px',
+  },
+};
+
+export const getChatBg = (bg: ChatBackground, isDark: boolean): CSSProperties =>
+  isDark ? DARK[bg] : LIGHT[bg];