:root{--bg:#f5f6fa;--surface:#fff;--surface2:#f0f1f7;--border:#dde0ee;--text:#1a1d2e;--text-muted:#6b72a0;--accent:#4f6ef7;--accent-dim:#dde3fd;--up:#2e9e66;--down:#d94f4f;--radius:10px;--radius-sm:6px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;font-size:14px;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font:inherit;color:inherit;background:0 0;border:none}input,textarea,select{font:inherit;color:inherit;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);outline:none;width:100%;padding:7px 10px}input:focus,textarea:focus,select:focus{border-color:var(--accent)}textarea{resize:vertical;min-height:60px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}