:root{--bg:#030612;--bg2:#070d1e;--surface:rgba(9,16,36,0.82);--surface-hover:rgba(14,25,56,0.90);--border:rgba(0,220,255,0.22);--border-glow:rgba(0,220,255,0.45);--glow:rgba(0,220,255,0.18);--primary:#00dcff;--secondary:#b57bff;--accent:#ff3a9d;--gold:#ffd93d;--success:#00e5a0;--danger:#ff3b5c;--text:#e8f4ff;--text2:#7a9bc0;--modal-bg:rgba(4,8,22,0.96);--grid-dot:rgba(0,220,255,0.06);--font-heading:'Orbitron',-apple-system,sans-serif;--font-body:'Inter',-apple-system,sans-serif;--font-mono:'Space Mono',monospace;--ease-elastic:cubic-bezier(0.34,1.56,0.64,1);--ease-smooth:cubic-bezier(0.16,1,0.3,1)}body.theme-solar{--bg:#0c0603;--bg2:#180d06;--surface:rgba(30,16,8,0.85);--surface-hover:rgba(45,24,12,0.92);--border:rgba(255,170,0,0.28);--border-glow:rgba(255,170,0,0.50);--glow:rgba(255,170,0,0.22);--primary:#ffaa00;--secondary:#ff5e00;--accent:#ff2a55;--gold:#ffe066;--text:#fff8eb;--text2:#d4a574;--modal-bg:rgba(20,10,4,0.97);--grid-dot:rgba(255,170,0,0.07)}body.theme-neon{--bg:#020803;--bg2:#051408;--surface:rgba(6,25,10,0.85);--surface-hover:rgba(10,38,16,0.92);--border:rgba(0,255,100,0.26);--border-glow:rgba(0,255,100,0.50);--glow:rgba(0,255,100,0.20);--primary:#00ff66;--secondary:#ff00aa;--accent:#ffee00;--gold:#ffee00;--text:#e0ffe8;--text2:#62b575;--modal-bg:rgba(2,18,5,0.97);--grid-dot:rgba(0,255,100,0.06)}body.theme-sakura{--bg:#140812;--bg2:#200d1c;--surface:rgba(38,16,34,0.85);--surface-hover:rgba(56,24,50,0.92);--border:rgba(255,120,180,0.28);--border-glow:rgba(255,120,180,0.52);--glow:rgba(255,120,180,0.22);--primary:#ff7ebb;--secondary:#c084fc;--accent:#fb7185;--gold:#fbbf24;--text:#fff1f6;--text2:#e0a3c2;--modal-bg:rgba(28,10,24,0.97);--grid-dot:rgba(255,120,180,0.07)}body.theme-void{--bg:#020308;--bg2:#050814;--surface:rgba(8,12,28,0.86);--surface-hover:rgba(12,18,42,0.94);--border:rgba(181,123,255,0.26);--border-glow:rgba(181,123,255,0.52);--glow:rgba(181,123,255,0.22);--primary:#c084fc;--secondary:#00dcff;--accent:#ff3a9d;--gold:#ffd93d;--text:#f3e8ff;--text2:#9b8ac4;--modal-bg:rgba(6,4,16,0.97);--grid-dot:rgba(181,123,255,0.06)}body.theme-light{--bg:#f2f5fb;--bg2:#e4ebf5;--surface:rgba(255,255,255,0.88);--surface-hover:rgba(255,255,255,0.98);--border:rgba(0,112,243,0.28);--border-glow:rgba(0,112,243,0.45);--glow:rgba(0,112,243,0.14);--primary:#0070f3;--secondary:#7928ca;--accent:#eb3678;--gold:#d97706;--success:#059669;--danger:#dc2626;--text:#0f172a;--text2:#475569;--modal-bg:rgba(255,255,255,0.98);--grid-dot:rgba(0,112,243,0.08)}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html,body{width:100%;min-height:100%;overflow-x:hidden;background:var(--bg);font-family:var(--font-body);color:var(--text);transition:background 0.4s ease,color 0.4s ease}