Accent colors now change automatically when a user selects a theme. Also added a One Dark theme. (#130)

WIP

Reviewed-on: https://codeberg.org/ArkHost/HelixNotes/pulls/130

src/app.css

@@ -961,6 +961,31 @@
   --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.8);
 }
 
+:root[data-theme="one-dark"] {
+  --bg-primary: #282c34;
+  --bg-secondary: #21252b;
+  --bg-tertiary: #2c313a;
+  --bg-hover: #3e4451;
+  --bg-active: #4b5263;
+  --bg-editor: #282c34;
+  --text-primary: #abb2bf;
+  --text-secondary: #828997;
+  --text-tertiary: #5c6370;
+  --text-accent: #61afef;
+  --border-color: #3e4451;
+  --border-light: #2c313a;
+  --accent: #61afef;
+  --accent-hover: #4d9fdf;
+  --accent-light: color-mix(in srgb, #61afef 12%, transparent);
+  --danger: #e06c75;
+  --danger-hover: #cc5560;
+  --success: #98c379;
+  --warning: #e5c07b;
+  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
+  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
+  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
+}
+
 *,
 *::before,
 *::after {

src/lib/components/SettingsPanel.svelte

@@ -384,7 +384,7 @@
 		}
 	}
 
-	const darkThemes = ['dark', 'solarized-dark', 'catppuccin', 'nord', 'tokyo-night', 'github-dark', 'dracula', 'blueberry', 'forest-green', 'gruvbox', 'midnight-tide', 'cherry-blossom', 'synthwave', 'ember', 'moonlit', 'dark-coffee', 'crimson', 'material-dark', 'monokai', 'rose-pine', 'everforest', 'horizon', 'cyberpunk', 'black'];
+	const darkThemes = ['dark', 'solarized-dark', 'catppuccin', 'nord', 'tokyo-night', 'github-dark', 'dracula', 'blueberry', 'forest-green', 'gruvbox', 'midnight-tide', 'cherry-blossom', 'synthwave', 'ember', 'moonlit', 'dark-coffee', 'crimson', 'material-dark', 'monokai', 'rose-pine', 'everforest', 'horizon', 'cyberpunk', 'black', 'one-dark'];
 	let isThemeDark = $derived(
 		darkThemes.includes($theme) || ($theme === 'system' && window.matchMedia('(prefers-color-scheme: dark)').matches)
 	);
@@ -422,6 +422,7 @@
 		{ id: 'horizon', label: 'Horizon', bg: '#1c1e26', sidebar: '#16181f', accent: '#e9547f' },
 		{ id: 'cyberpunk', label: 'Cyberpunk', bg: '#0a0e17', sidebar: '#060911', accent: '#ff0080' },
 		{ id: 'black', label: 'Black', bg: '#000000', sidebar: '#0a0a0a', accent: '#ffffff' },
+		{ id: 'one-dark', label: 'One Dark', bg: '#282c34', sidebar: '#21252b', accent: '#61afef' },
 	];
 
 	const accentPresets = [
@@ -573,6 +574,13 @@
 			.catch((e) => console.error('Failed to save general settings:', e));
 	}
 
+	function selectTheme(preset: typeof themePresets[0]) {
+		$theme = preset.id;
+		setTheme(preset.id);
+		themeDropdownOpen = false;
+		selectCustomAccent(preset.accent);
+	}
+
 	function selectAccent(preset: typeof accentPresets[0]) {
 		activeAccent = preset.name;
 		applyAccent(preset);
@@ -1061,7 +1069,7 @@
 												<button
 													class="dropdown-item"
 													class:active={$theme === preset.id}
-													onclick={() => { $theme = preset.id; setTheme(preset.id); themeDropdownOpen = false; }}
+													onclick={() => selectTheme(preset)}
 												>
 													<span class="dropdown-preview" style="--preview-bg: {preset.bg}; --preview-sidebar: {preset.sidebar}; --preview-accent: {preset.accent}">
 														<span class="preview-sidebar"></span>

src/routes/+layout.svelte

@@ -16,8 +16,8 @@
 	});
 
 	function applyTheme(t: string) {
-		const darkThemes = ['dark', 'solarized-dark', 'catppuccin', 'nord', 'tokyo-night', 'github-dark', 'dracula', 'blueberry', 'forest-green', 'gruvbox', 'midnight-tide', 'cherry-blossom', 'synthwave', 'ember', 'moonlit', 'dark-coffee', 'crimson', 'material-dark', 'monokai', 'rose-pine', 'everforest', 'horizon', 'cyberpunk', 'black'];
+		const darkThemes = ['dark', 'solarized-dark', 'catppuccin', 'nord', 'tokyo-night', 'github-dark', 'dracula', 'blueberry', 'forest-green', 'gruvbox', 'midnight-tide', 'cherry-blossom', 'synthwave', 'ember', 'moonlit', 'dark-coffee', 'crimson', 'material-dark', 'monokai', 'rose-pine', 'everforest', 'horizon', 'cyberpunk', 'black', 'one-dark'];
-		const namedThemes = ['solarized-light', 'solarized-dark', 'catppuccin', 'nord', 'tokyo-night', 'github-light', 'github-dark', 'dracula', 'blueberry', 'forest-green', 'gruvbox', 'midnight-tide', 'cherry-blossom', 'synthwave', 'ember', 'moonlit', 'light-coffee', 'dark-coffee', 'cotton-candy', 'crimson', 'cloud', 'peach', 'material-dark', 'material-light', 'monokai', 'rose-pine', 'everforest', 'horizon', 'cyberpunk', 'black'];
+		const namedThemes = ['solarized-light', 'solarized-dark', 'catppuccin', 'nord', 'tokyo-night', 'github-light', 'github-dark', 'dracula', 'blueberry', 'forest-green', 'gruvbox', 'midnight-tide', 'cherry-blossom', 'synthwave', 'ember', 'moonlit', 'light-coffee', 'dark-coffee', 'cotton-candy', 'crimson', 'cloud', 'peach', 'material-dark', 'material-light', 'monokai', 'rose-pine', 'everforest', 'horizon', 'cyberpunk', 'black', 'one-dark'];
 		const root = document.documentElement;
 		root.classList.remove('dark');
 		root.removeAttribute('data-theme');