:root{--bg: #0a0e17;--bg-panel: #111726;--bg-panel-2: #0f1522;--border: #1e2a3d;--text: #d7e0f0;--text-dim: #7c8aa5;--accent: #3b82f6;--accent-hover: #2f6fe0;--white: #ffffff;--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)}.nav-utils-btn{padding:2px 8px;border:1px solid var(--border);border-radius:5px;background:transparent;color:var(--text-dim);font-size:11px;cursor:pointer;transition:color .15s,border-color .15s}.nav-utils-btn:hover{color:var(--text);border-color:var(--text-dim)}.nav-group{display:flex;flex-direction:column}.nav-group-title{display:flex;align-items:center;gap:8px;padding:7px 16px;margin:0;background:transparent;border:none;color:var(--text-dim);font-size:12px;font-weight:600;letter-spacing:1px;cursor:pointer;text-align:left;transition:color .15s}.nav-group-title:hover{color:var(--text)}.nav-group-title .caret{font-size:9px;color:var(--text-dim);transition:transform .2s}.nav-group-title.open .caret{transform:rotate(90deg)}.nav-group-title .count{margin-left:auto;font-weight:400;font-size:11px;color:var(--text-dim)}.nav-group-title .active-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 6px var(--accent)}.nav-group-title.active{color:var(--accent)}.nav-group-items{display:flex;flex-wrap:wrap;gap:2px;padding:0 16px 8px 34px}.nav-group-items .nav-link{border-radius:6px;border-bottom:none;padding:5px 12px}.nav-group-items .nav-link.active{background:var(--bg-panel);border:1px solid var(--border);border-bottom:1px solid var(--accent);color:var(--accent)}@media(max-width:640px){header{gap:10px;padding:8px 12px}header .mono{font-size:14px}.nav-utils-btn{padding:2px 6px;font-size:10px}.nav-group-title{padding:7px 10px}.nav-group-items{padding:0 10px 8px 26px}}.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 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var(--accent);outline-offset:1px;border-radius:2px}.input{background:var(--bg-panel-2);border:1px solid var(--border);border-radius:6px;color:var(--text);padding:7px 10px;font-size:13px;font-family:inherit;outline:none}.input:focus{border-color:var(--accent)}.app-shell{display:flex;min-height:100vh}.sidebar{width:260px;flex-shrink:0;position:sticky;top:0;height:100vh;overflow-y:auto;background:var(--bg-panel);border-right:1px solid var(--border);padding:16px 12px 24px;display:flex;flex-direction:column;gap:14px}.sidebar-brand{padding:4px 8px 14px;border-bottom:1px solid var(--border)}.sidebar-nav{display:flex;flex-direction:column;gap:2px}.sidebar-nav .nav-link,.sidebar .nav-group-items .nav-link{display:block;border-radius:6px;border-bottom:none;padding:7px 10px}.sidebar-nav .nav-link.active,.sidebar .nav-group-items .nav-link.active{background:var(--bg-panel-2);border:none;border-left:2px solid var(--accent);color:var(--accent)}.sidebar-pro-head{display:flex;align-items:center;gap:8px;padding:4px 8px 0}.sidebar-groups{display:flex;flex-direction:column;gap:2px}.sidebar .nav-group-title{padding:7px 8px}.sidebar .nav-group-items{flex-direction:column;gap:2px;padding:0 0 8px;margin-left:8px}.sidebar .nav-group-items .nav-link{padding:6px 12px;border:none}.main{flex:1;min-width:0;padding:20px;overflow-x:hidden}.mobile-bar,.sidebar-backdrop{display:none}@media(max-width:960px){.app-shell{flex-direction:column}.mobile-bar{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--bg-panel);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:999}.sidebar{position:fixed;top:0;left:0;bottom:0;height:100vh;width:280px;max-width:85vw;z-index:1000;transform:translate(-100%);transition:transform .25s ease;box-shadow:0 0 32px #00000080}.sidebar.open{transform:translate(0)}.sidebar-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;z-index:999}.main{padding:12px}}@keyframes ws-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}.dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.ws-reconnect-btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}