:root{--bg:#0f1419;--panel:#1a2129;--panel-2:#232b35;--border:#2c3644;--text:#e6eaf0;--muted:#8b98a9;--accent:#3b82f6;--up:#22c55e;--down:#ef4444;--warn:#f59e0b}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px}.app{display:flex;min-height:100vh}.sidebar{width:200px;background:var(--panel);border-right:1px solid var(--border);padding:20px 12px;flex-shrink:0}.brand{font-weight:700;font-size:15px;margin-bottom:24px;padding:0 8px}.nav{display:flex;flex-direction:column;gap:4px}.nav-link{display:block;padding:9px 12px;border-radius:8px;color:var(--muted);text-decoration:none;transition:background .15s,color .15s}.nav-link:hover{background:var(--panel-2);color:var(--text)}.nav-link.active{background:var(--panel-2);color:var(--accent);font-weight:600}.main{flex:1 1;padding:24px 32px;max-width:1100px}h1{font-size:20px;margin:0 0 20px}.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:14px;gap:14px;margin-bottom:24px}.metric{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:14px 16px}.metric-label{color:var(--muted);font-size:12px;margin-bottom:6px}.metric-value{font-size:22px;font-weight:700;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.metric-suffix{font-size:13px;font-weight:400;color:var(--muted);margin-left:4px}.metric.up .metric-value{color:var(--up)}.metric.down .metric-value{color:var(--down)}.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:18px;margin-bottom:20px}.card h2{font-size:15px;margin:0 0 14px;color:var(--muted);font-weight:600}.chart-empty,.empty{color:var(--muted);padding:28px 0;text-align:center}.chart-svg{width:100%;height:auto}.chart-line{stroke:var(--accent);stroke-width:2}.chart-axis{stroke:var(--border)}.chart-dot{fill:var(--accent)}.chart-meta{color:var(--muted);font-size:12px;margin-top:8px}.table-wrap{overflow-x:auto}.table{width:100%;border-collapse:collapse}.table td,.table th{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;white-space:nowrap}.table th{color:var(--muted);font-weight:500;font-size:12px}.tag{display:inline-block;padding:2px 8px;border-radius:20px;font-size:12px}.tag-buy{background:rgba(34,197,94,.15);color:var(--up)}.tag-sell{background:rgba(239,68,68,.15);color:var(--down)}.tag-layer{background:var(--panel-2);color:var(--accent)}.tag-warn{background:rgba(245,158,11,.15);color:var(--warn)}.err{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.4);color:var(--down);padding:12px 16px;border-radius:8px}.pre{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;white-space:pre-wrap;word-break:break-word;color:var(--muted);max-height:200px;overflow-y:auto}