:root{--bg-primary:#1a1a2e;--bg-secondary:#16213e;--text-primary:#e0e0f0;--text-secondary:#a0a0b0;--accent:#6366f1}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;overflow:hidden}body{background:var(--bg-primary);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.app-container{background:var(--bg-secondary);border-left:1px solid #ffffff0d;border-right:1px solid #ffffff0d;flex-direction:column;max-width:640px;height:100%;margin:0 auto;display:flex}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:2px}