ObsidianDragon - DragonX ImGui Wallet

Full-node GUI wallet for DragonX cryptocurrency.
Built with Dear ImGui, SDL3, and OpenGL3/DX11.

Features:
- Send/receive shielded and transparent transactions
- Autoshield with merged transaction display
- Built-in CPU mining (xmrig)
- Peer management and network monitoring
- Wallet encryption with PIN lock
- QR code generation for receive addresses
- Transaction history with pagination
- Console for direct RPC commands
- Cross-platform (Linux, Windows)

src/ui/theme_loader.h

@@ -0,0 +1,69 @@
+// DragonX Wallet - ImGui Edition
+// Copyright 2024-2026 The Hush Developers
+// Released under the GPLv3
+
+#pragma once
+
+#include "material/color_theme.h"
+#include "theme.h"
+#include <string>
+
+namespace dragonx {
+namespace ui {
+
+/**
+ * @brief Color utility and theme derivation helpers
+ * 
+ * Provides color parsing, luminance calculation, default color computation,
+ * and acrylic theme derivation from Material Design color themes.
+ *
+ * Theme loading is handled by the UISchema overlay system (ui.toml +
+ * dark.toml / light.toml).  This class retains the utility methods
+ * that UISchema and other subsystems depend on.
+ */
+class ThemeLoader {
+public:
+    /**
+     * @brief Parse any supported color string to ImU32
+     * 
+     * Supports all formats:
+     * - "0xRRGGBB" / "0xRRGGBBAA" (hex)
+     * - "#RRGGBB" / "#RRGGBBAA" (web hex)
+     * - "rgba(r,g,b,a)" (CSS-style, a is 0.0-1.0)
+     * - "transparent" (fully transparent)
+     */
+    static bool parseColorString(const std::string& str, ImU32& outColor);
+
+    /**
+     * @brief Parse hex color string to ImU32
+     * 
+     * Supports formats:
+     * - "0xRRGGBB" (6 hex digits, alpha = 255)
+     * - "0xRRGGBBAA" (8 hex digits, includes alpha)
+     * - "#RRGGBB" / "#RRGGBBAA" (web format)
+     */
+    static bool parseHexColor(const std::string& hexStr, ImU32& outColor);
+
+    /**
+     * @brief Convert ImU32 color to hex string
+     */
+    static std::string colorToHexString(ImU32 color, bool includeAlpha = false);
+
+    /**
+     * @brief Calculate relative luminance of a color (0.0 - 1.0)
+     */
+    static float getLuminance(ImU32 color);
+
+    /**
+     * @brief Compute default colors for missing fields
+     */
+    static void computeDefaults(material::ColorTheme& theme, bool isDark);
+
+    /**
+     * @brief Auto-generate AcrylicTheme from a ColorTheme
+     */
+    static AcrylicTheme deriveAcrylicTheme(const material::ColorTheme& theme);
+};
+
+} // namespace ui
+} // namespace dragonx