Initial version

2026-09-21 18:03:21 -04:00
commit e8e7dc4a81
83 changed files with 7177 additions and 0 deletions
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+import 'package:flutter/material.dart';
+
+/// Neutral palette. The accent colour comes from [AppSettings] through the
+/// theme, so widgets read `Theme.of(context).colorScheme.primary` for it.
+abstract final class OsColors {
+  static const background = Color(0xFF0A0C10);
+  static const surface = Color(0xFF13161C);
+  static const surfaceHigh = Color(0xFF1C2028);
+  static const good = Color(0xFF34C77B);
+  static const warn = Color(0xFFFFB020);
+  static const bad = Color(0xFFFF4D5E);
+  static const text = Color(0xFFF2F4F8);
+  static const textDim = Color(0xFF8A93A5);
+  static const track = Color(0xFF20252E);
+
+  static Color batteryColor(int? level) {
+    if (level == null) return track;
+    if (level <= 15) return bad;
+    if (level <= 30) return warn;
+    return good;
+  }
+}
+
+ThemeData buildOsTheme(Color accent) {
+  final onAccent = accent.computeLuminance() > 0.5 ? OsColors.background : Colors.white;
+  final base = ThemeData(
+    brightness: Brightness.dark,
+    useMaterial3: true,
+    colorScheme: ColorScheme.dark(
+      primary: accent,
+      onPrimary: onAccent,
+      secondary: accent,
+      onSecondary: onAccent,
+      surface: OsColors.background,
+      onSurface: OsColors.text,
+      surfaceContainerHighest: OsColors.surfaceHigh,
+      error: OsColors.bad,
+    ),
+    scaffoldBackgroundColor: OsColors.background,
+  );
+  return base.copyWith(
+    appBarTheme: const AppBarTheme(
+      backgroundColor: OsColors.background,
+      foregroundColor: OsColors.text,
+      elevation: 0,
+      centerTitle: false,
+    ),
+    cardTheme: const CardThemeData(
+      color: OsColors.surface,
+      elevation: 0,
+      margin: EdgeInsets.zero,
+      shape: RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.circular(20))),
+    ),
+    filledButtonTheme: FilledButtonThemeData(
+      style: FilledButton.styleFrom(
+        minimumSize: const Size(0, 52),
+        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
+        textStyle: const TextStyle(fontWeight: FontWeight.w700, fontSize: 16),
+      ),
+    ),
+    segmentedButtonTheme: SegmentedButtonThemeData(
+      style: SegmentedButton.styleFrom(
+        selectedBackgroundColor: accent,
+        selectedForegroundColor: onAccent,
+        side: const BorderSide(color: OsColors.surfaceHigh),
+      ),
+    ),
+    switchTheme: SwitchThemeData(
+      thumbColor: WidgetStateProperty.resolveWith(
+          (s) => s.contains(WidgetState.selected) ? onAccent : OsColors.textDim),
+      trackColor: WidgetStateProperty.resolveWith(
+          (s) => s.contains(WidgetState.selected) ? accent : OsColors.surfaceHigh),
+    ),
+    inputDecorationTheme: InputDecorationTheme(
+      filled: true,
+      fillColor: OsColors.surfaceHigh,
+      border: OutlineInputBorder(
+        borderRadius: BorderRadius.circular(16),
+        borderSide: BorderSide.none,
+      ),
+    ),
+    snackBarTheme: const SnackBarThemeData(behavior: SnackBarBehavior.floating),
+    progressIndicatorTheme: ProgressIndicatorThemeData(color: accent),
+    textTheme: base.textTheme.apply(bodyColor: OsColors.text, displayColor: OsColors.text),
+  );
+}