Backgrounds: theme-aware patterns and visual preview grid

.cinny-config.json

@@ -0,0 +1,17 @@
+{
+  "defaultHomeserver": 0,
+  "homeserverList": [
+    "matrix.lotusguild.org"
+  ],
+  "allowCustomHomeservers": false,
+  "featuredCommunities": {
+    "openAsDefault": false,
+    "spaces": [],
+    "rooms": [],
+    "servers": []
+  },
+  "hashRouter": {
+    "enabled": false,
+    "basename": "/"
+  }
+}

src/app/features/lotus/chatBackground.ts

@@ -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];

src/app/features/room/RoomView.tsx

@@ -16,7 +16,9 @@ import { RoomInput } from './RoomInput';
 import { RoomViewFollowing, RoomViewFollowingPlaceholder } from './RoomViewFollowing';
 import { Page } from '../../components/page';
 import { useSetting } from '../../state/hooks/settings';
-import { settingsAtom, ChatBackground } from '../../state/settings';
+import { settingsAtom } from '../../state/settings';
+import { useTheme, ThemeKind } from '../../hooks/useTheme';
+import { getChatBg } from '../lotus/chatBackground';
 import { useKeyDown } from '../../hooks/useKeyDown';
 import { editableActiveElement } from '../../utils/dom';
 import { settingsAtom } from '../../state/settings';
@@ -57,80 +59,13 @@ const shouldFocusMessageField = (evt: KeyboardEvent): boolean => {
 };
 
 
-const CHAT_BG: Record<ChatBackground, React.CSSProperties> = {
-  none: {},
-
-  // Dark navy with light-blue grid lines — technical/clean
-  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',
-  },
-
-  // Near-black diagonal weave — carbon fiber look
-  carbon: {
-    backgroundColor: '#0e0e0e',
-    backgroundImage: [
-      'repeating-linear-gradient(45deg, rgba(255,255,255,0.03) 0, rgba(255,255,255,0.03) 2px, transparent 0, transparent 50%)',
-      'repeating-linear-gradient(135deg, rgba(255,255,255,0.03) 0, rgba(255,255,255,0.03) 2px, transparent 0, transparent 50%)',
-    ].join(','),
-    backgroundSize: '8px 8px',
-  },
-
-  // Deep space with three offset star layers
-  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',
-  },
-
-  // Concentric rings from three focal points — map contour effect
-  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(','),
-  },
-
-  // 60°/120° diagonal stripe pair — classic herringbone weave
-  herringbone: {
-    backgroundColor: '#111118',
-    backgroundImage: [
-      'repeating-linear-gradient(60deg, rgba(180,160,210,0.07) 0, rgba(180,160,210,0.07) 1px, transparent 0, transparent 50%)',
-      'repeating-linear-gradient(120deg, rgba(180,160,210,0.07) 0, rgba(180,160,210,0.07) 1px, transparent 0, transparent 50%)',
-    ].join(','),
-    backgroundSize: '20px 36px',
-  },
-
-  // Fine white grid with larger subdivision — graph paper
-  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(255,255,255,0.02) 1px, transparent 1px)',
-      'linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px)',
-    ].join(','),
-    backgroundSize: '60px 60px, 60px 60px, 12px 12px, 12px 12px',
-  },
-};
 
 export function RoomView({ eventId }: { eventId?: string }) {
   const roomInputRef = useRef<HTMLDivElement>(null);
   const roomViewRef = useRef<HTMLDivElement>(null);
   const [chatBackground] = useSetting(settingsAtom, 'chatBackground');
+  const theme = useTheme();
+  const isDark = theme.kind === ThemeKind.Dark;
 
   const [hideActivity] = useSetting(settingsAtom, 'hideActivity');
 
@@ -165,7 +100,7 @@ export function RoomView({ eventId }: { eventId?: string }) {
   );
 
   return (
-    <Page ref={roomViewRef} style={CHAT_BG[chatBackground]}>
+    <Page ref={roomViewRef} style={getChatBg(chatBackground, isDark)}>
       <Box grow="Yes" direction="Column">
         <RoomTimeline
           key={roomId}

src/app/features/settings/general/General.tsx

@@ -32,7 +32,7 @@ import FocusTrap from 'focus-trap-react';
 import { Page, PageContent, PageHeader } from '../../../components/page';
 import { SequenceCard } from '../../../components/sequence-card';
 import { useSetting } from '../../../state/hooks/settings';
-import { DateFormat, MessageLayout, MessageSpacing, settingsAtom } from '../../../state/settings';
+import { ChatBackground, DateFormat, MessageLayout, MessageSpacing, settingsAtom } from '../../../state/settings';
 import { SettingTile } from '../../../components/setting-tile';
 import { KeySymbol } from '../../../utils/key-symbol';
 import { isMacOS } from '../../../utils/user-agent';
@@ -42,10 +42,12 @@ import {
   Theme,
   ThemeKind,
   useSystemThemeKind,
+  useTheme,
   useThemeNames,
   useThemes,
 } from '../../../hooks/useTheme';
 import { stopPropagation } from '../../../utils/keyboard';
+import { BG_OPTIONS, getChatBg } from '../../lotus/chatBackground';
 import { useMessageLayoutItems } from '../../../hooks/useMessageLayout';
 import { useMessageSpacingItems } from '../../../hooks/useMessageSpacing';
 import { useDateFormatItems } from '../../../hooks/useDateFormat';
@@ -352,12 +354,14 @@ function Appearance() {
         <SettingTile title="Page Zoom" after={<PageZoomInput />} />
       </SequenceCard>
 
-      <SequenceCard className={SequenceCardStyle} variant="SurfaceVariant" direction="Column">
+      <SequenceCard className={SequenceCardStyle} variant="SurfaceVariant" direction="Column" gap="200">
         <SettingTile
           title="Chat Background"
           description="Pattern applied behind the message timeline."
-          after={<SelectChatBackground />}
         />
+        <Box style={{ padding: `0 ${config.space.S400} ${config.space.S300}` }}>
+          <ChatBgGrid />
+        </Box>
       </SequenceCard>
 
       <SequenceCard className={SequenceCardStyle} variant="SurfaceVariant" direction="Column">
@@ -759,81 +763,43 @@ function Editor() {
 }
 
 
-const BG_OPTIONS: { value: ChatBackground; label: string }[] = [
+function ChatBgGrid() {
-  { 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' },
-];
-
-function SelectChatBackground() {
-  const [menuCords, setMenuCords] = useState<RectCords>();
   const [chatBackground, setChatBackground] = useSetting(settingsAtom, 'chatBackground');
-
+  const theme = useTheme();
-  const handleMenu: MouseEventHandler<HTMLButtonElement> = (evt) => {
+  const isDark = theme.kind === ThemeKind.Dark;
-    setMenuCords(evt.currentTarget.getBoundingClientRect());
-  };
-
-  const handleSelect = (value: ChatBackground) => {
-    setChatBackground(value);
-    setMenuCords(undefined);
-  };
 
   return (
-    <>
+    <Box wrap="Wrap" gap="200">
-      <Button
+      {BG_OPTIONS.map((opt) => (
-        size="300"
+        <Box key={opt.value} direction="Column" gap="100" style={{ alignItems: 'center' }}>
-        variant="Secondary"
+          <button
-        outlined
+            type="button"
-        fill="Soft"
+            aria-label={opt.label}
-        radii="300"
+            aria-pressed={chatBackground === opt.value}
-        after={<Icon size="300" src={Icons.ChevronBottom} />}
+            onClick={() => setChatBackground(opt.value as ChatBackground)}
-        onClick={handleMenu}
+            style={{
-      >
+              display: 'block',
-        <Text size="T300">
+              width: toRem(76),
-          {BG_OPTIONS.find((o) => o.value === chatBackground)?.label ?? 'None'}
+              height: toRem(50),
-        </Text>
+              borderRadius: toRem(8),
-      </Button>
+              cursor: 'pointer',
-      <PopOut
+              border: chatBackground === opt.value
-        anchor={menuCords}
+                ? '2px solid #980000'
-        offset={5}
+                : '2px solid rgba(128,128,128,0.25)',
-        position="Bottom"
+              padding: 0,
-        align="End"
+              overflow: 'hidden',
-        content={
+              ...getChatBg(opt.value as ChatBackground, isDark),
-          <FocusTrap
-            focusTrapOptions={{
-              initialFocus: false,
-              onDeactivate: () => setMenuCords(undefined),
-              clickOutsideDeactivates: true,
-              isKeyForward: (evt: KeyboardEvent) =>
-                evt.key === 'ArrowDown' || evt.key === 'ArrowRight',
-              isKeyBackward: (evt: KeyboardEvent) =>
-                evt.key === 'ArrowUp' || evt.key === 'ArrowLeft',
-              escapeDeactivates: stopPropagation,
             }}
+          />
+          <Text
+            size="T200"
+            style={chatBackground === opt.value ? { color: '#980000' } : undefined}
           >
-            <Menu>
+            {opt.label}
-              <Box direction="Column" gap="100" style={{ padding: config.space.S100 }}>
+          </Text>
-                {BG_OPTIONS.map((opt) => (
+        </Box>
-                  <MenuItem
+      ))}
-                    key={opt.value}
+    </Box>
-                    size="300"
-                    variant={chatBackground === opt.value ? 'Primary' : 'Surface'}
-                    radii="300"
-                    onClick={() => handleSelect(opt.value)}
-                  >
-                    <Text size="T300">{opt.label}</Text>
-                  </MenuItem>
-                ))}
-              </Box>
-            </Menu>
-          </FocusTrap>
-        }
-      />
-    </>
   );
 }