Phase 3: Split constants.ts into domain-specific files

src/lib/game/constants/elements.ts

@@ -0,0 +1,77 @@
+// ─── Element Definitions ─────────────────────────────────────────────────────
+import type { ElementDef } from '../types';
+
+// Helper function for creating raw mana cost
+export function rawCost(amount: number): { type: 'raw'; amount: number } {
+  return { type: 'raw', amount };
+}
+
+// Helper function for creating elemental mana cost
+export function elemCost(element: string, amount: number): { type: 'element'; element: string; amount: number } {
+  return { type: 'element', element, amount };
+}
+
+// Mana constants
+export const MANA_PER_ELEMENT = 100;
+
+export const ELEMENTS: Record<string, ElementDef> = {
+  // Base Elements
+  fire:   { name: "Fire",   sym: "🔥", color: "#FF6B35", glow: "#FF6B3540", cat: "base" },
+  water:  { name: "Water",  sym: "💧", color: "#4ECDC4", glow: "#4ECDC440", cat: "base" },
+  air:    { name: "Air",    sym: "🌬️", color: "#00D4FF", glow: "#00D4FF40", cat: "base" },
+  earth:  { name: "Earth",  sym: "⛰️", color: "#F4A261", glow: "#F4A26140", cat: "base" },
+  light:  { name: "Light",  sym: "☀️", color: "#FFD700", glow: "#FFD70040", cat: "base" },
+  dark:   { name: "Dark",   sym: "🌑", color: "#9B59B6", glow: "#9B59B640", cat: "base" },
+  death:  { name: "Death",  sym: "💀", color: "#778CA3", glow: "#778CA340", cat: "base" },
+  
+  // Utility Elements
+  transference: { name: "Transference", sym: "🔗", color: "#1ABC9C", glow: "#1ABC9C40", cat: "utility" },
+  
+  // Composite Elements
+  metal:     { name: "Metal",     sym: "⚙️", color: "#BDC3C7", glow: "#BDC3C740", cat: "composite", recipe: ["fire", "earth"] },
+  sand:      { name: "Sand",      sym: "⏳", color: "#D4AC0D", glow: "#D4AC0D40", cat: "composite", recipe: ["earth", "water"] },
+  lightning: { name: "Lightning", sym: "⚡", color: "#FFEB3B", glow: "#FFEB3B40", cat: "composite", recipe: ["fire", "air"] },
+  
+  // Exotic Elements
+  crystal: { name: "Crystal", sym: "💎", color: "#85C1E9", glow: "#85C1E940", cat: "exotic", recipe: ["sand", "sand", "light"] },
+  stellar: { name: "Stellar", sym: "⭐", color: "#F0E68C", glow: "#F0E68C40", cat: "exotic", recipe: ["fire", "fire", "light"] },
+  void:    { name: "Void",   sym: "🕳️", color: "#4A235A", glow: "#4A235A40", cat: "exotic", recipe: ["dark", "dark", "death"] },
+};
+
+// NOTE: Life, Blood, Wood, Mental, and Force mana types have been removed.
+// Lifesteal and healing are BANNED from player abilities - see AGENTS.md
+// Crystal recipe updated to use light instead of mental.
+
+export const FLOOR_ELEM_CYCLE = ["fire", "water", "air", "earth", "light", "dark", "death"];
+
+// ─── Element Opposites for Damage Calculation ────────────────────────────────
+export const ELEMENT_OPPOSITES: Record<string, string> = {
+  fire: 'water', water: 'fire',
+  air: 'earth', earth: 'air',
+  light: 'dark', dark: 'light',
+  lightning: 'earth', // Lightning is weak to earth (grounding)
+};
+
+// ─── Element Icon Mapping (Lucide Icons) ──────────────────────────────────────
+// Note: These are string identifiers for dynamic icon loading
+// The actual Lucide icons are imported in the components
+export const ELEMENT_ICON_NAMES: Record<string, string> = {
+  fire: 'Flame',
+  water: 'Droplet',
+  air: 'Wind',
+  earth: 'Mountain',
+  light: 'Sun',
+  dark: 'Moon',
+  death: 'Skull',
+  transference: 'Link',
+  metal: 'Target',
+  sand: 'Hourglass',
+  lightning: 'Zap',
+  crystal: 'Gem',
+  stellar: 'Star',
+  void: 'CircleDot',
+  raw: 'Circle',
+};
+
+// ─── Base Unlocked Elements ───────────────────────────────────────────────────
+export const BASE_UNLOCKED_ELEMENTS = ['fire', 'water', 'air', 'earth'];