:root{--bg: #0a0e17;--bg-panel: #111726;--bg-panel-2: #0f1522;--border: #1e2a3d;--text: #d7e0f0;--text-dim: #7c8aa5;--accent: #3b82f6;--green: #22c55e;--red: #ef4444;--amber: #f59e0b;--cyan: #06b6d4}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);font-family:Segoe UI,PingFang SC,Microsoft YaHei,system-ui,sans-serif;font-size:14px;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.panel{background:var(--bg-panel);border:1px solid var(--border);border-radius:8px;padding:14px}.panel-title{font-size:13px;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px}.up{color:var(--green)}.down{color:var(--red)}.flat{color:var(--text-dim)}.grid{display:grid;gap:12px}.mono{font-family:JetBrains Mono,Consolas,monospace;font-variant-numeric:tabular-nums}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-track{background:transparent}.nav-link{padding:6px 12px;border-radius:6px 6px 0 0;font-size:13px;color:var(--text-dim);cursor:pointer;white-space:nowrap;border-bottom:2px solid transparent;transition:all .15s}.nav-link:hover{color:var(--text);background:var(--bg-panel)}.nav-link.active{color:var(--cyan);border-bottom-color:var(--cyan);background:var(--bg-panel)}.nav-link.pro.active{color:var(--accent);border-bottom-color:var(--accent)}.placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:16px;text-align:center;color:var(--text-dim)}.placeholder h2{font-size:24px;color:var(--text)}.placeholder .tag{padding:4px 10px;border:1px solid var(--border);border-radius:20px;font-size:12px;color:var(--amber)}.exchange-pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border:1px solid var(--border);border-radius:6px;font-size:12px}.exchange-pill .dot{width:8px;height:8px;border-radius:50%}.kline-btn{padding:3px 10px;border:1px solid var(--border);border-radius:5px;background:transparent;color:var(--text-dim);font-size:12px;cursor:pointer;transition:all .15s;font-family:inherit}.kline-btn:hover{color:var(--text);border-color:var(--text-dim)}.kline-btn.active{color:var(--cyan);border-color:var(--cyan);background:#06b6d41a}.kline-depth-grid{display:grid;gap:12px;grid-template-columns:2fr 1fr}@media(max-width:900px){.kline-depth-grid{grid-template-columns:1fr}}.ai-butler-grid{display:grid;gap:12px;grid-template-columns:minmax(0,1fr) 340px}@media(max-width:900px){.ai-butler-grid{grid-template-columns:1fr}}.tag{padding:2px 8px;border:1px solid var(--border);border-radius:12px;color:var(--text-dim);background:var(--bg-panel-2)}