:root{
  --bg:#0b0f14; --panel:#121821; --panel2:#0e141d; --border:#1e2936;
  --text:#dbe4ee; --muted:#7d8ea3; --accent:#3b82f6;
  --green:#22c55e; --red:#ef4444; --amber:#eab308; --purple:#a78bfa;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--text);font:13px/1.45 system-ui,'Segoe UI',sans-serif}

#topbar{display:flex;align-items:center;gap:12px;padding:8px 14px;background:var(--panel);border-bottom:1px solid var(--border);flex-wrap:wrap}
.brand{font-weight:700;font-size:15px}
.brand .ver{color:var(--muted);font-weight:400;font-size:11px;margin-left:4px}
.stats{display:flex;gap:14px;color:var(--muted);flex-wrap:wrap}
.stats b{color:var(--text)}
.badge{padding:2px 9px;border-radius:10px;font-size:11px;border:1px solid var(--border);white-space:nowrap}
.badge.run{color:var(--green);border-color:var(--green)}
.badge.stop{color:var(--red);border-color:var(--red)}
.controls{margin-left:auto;display:flex;gap:8px;align-items:center;flex-wrap:wrap}

button{background:#1b2432;color:var(--text);border:1px solid var(--border);border-radius:6px;padding:6px 12px;cursor:pointer;font-size:12px}
button:hover{background:#232f42}
button:disabled{opacity:.45;cursor:not-allowed}
button.primary{background:var(--accent);border-color:var(--accent);color:#fff}
button.danger{color:#ffb4b4}
input,select{background:var(--panel2);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:5px 8px;font-size:12px}

#layout{display:flex;height:calc(100vh - 49px)}
#sidebar{width:305px;min-width:305px;overflow-y:auto;border-right:1px solid var(--border);background:var(--panel2);padding:10px}
.set-group{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:10px;margin-bottom:10px}
.set-group h4{margin:0 0 8px;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.set-group summary{color:var(--muted)}
.row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:6px}
.row label{font-size:12px}
.row input[type=number],.row input[type=text],.row select{width:118px}
.hint{color:var(--muted);font-size:11px;margin-top:5px;line-height:1.5}
.sym-row{display:flex;align-items:center;justify-content:space-between;background:var(--panel2);border:1px solid var(--border);border-radius:6px;padding:4px 8px;margin-bottom:4px;font-size:12px}
.sym-row button{padding:1px 7px}

#content{flex:1;overflow-y:auto;padding:10px;display:flex;flex-direction:column;gap:10px}
#tabs{display:flex;gap:6px;flex-wrap:wrap}
.tab{padding:6px 12px}
.tab.active{border-color:var(--accent);background:#16233a;color:#fff}
.panel{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:10px}
.panel h3{margin:0 0 8px;font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.05em}
#chart-card{height:430px;padding:6px}
#chart{width:100%;height:100%;display:block}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media(max-width:1100px){.grid2{grid-template-columns:1fr}}

table{width:100%;border-collapse:collapse;font-size:12px}
th,td{padding:5px 8px;border-bottom:1px solid var(--border);text-align:left;white-space:nowrap}
th{color:var(--muted);font-weight:600;font-size:11px;text-transform:uppercase}
.pnl-pos{color:var(--green)} .pnl-neg{color:var(--red)}
.tag{display:inline-block;padding:1px 7px;border-radius:9px;font-size:11px;border:1px solid}
.tag.long{color:var(--green);border-color:var(--green)} .tag.short{color:var(--red);border-color:var(--red)}

details.rule{background:var(--panel2);border:1px solid var(--border);border-radius:6px;margin-bottom:6px;padding:6px 10px}
details.rule summary{cursor:pointer;font-size:12px}
pre.json{max-height:230px;overflow:auto;font-size:11px;color:#9fd0ff;margin:6px 0 0}

.sug{border:1px solid var(--amber);background:#191505;border-radius:8px;padding:10px;margin-bottom:8px}
.sug .stats-line{color:var(--muted);font-size:12px;margin:5px 0 8px}
.sug button.accept{background:#14532d;border-color:#166534;margin-right:6px}
.sug button.reject{background:#450a0a;border-color:#7f1d1d}
.acc-rule{display:flex;justify-content:space-between;align-items:center;background:var(--panel2);border:1px solid #166534;border-radius:6px;padding:5px 9px;margin-bottom:5px;font-size:12px}

.empty{color:var(--muted);font-style:italic;padding:8px 2px}

#toast{position:fixed;bottom:18px;right:18px;display:flex;flex-direction:column;gap:6px;z-index:99;max-width:380px}
.toast-item{background:#1b2432;border:1px solid var(--border);border-left:3px solid var(--accent);padding:8px 12px;border-radius:6px;font-size:12px;animation:fadein .2s}
.toast-item.err{border-left-color:var(--red)} .toast-item.ok{border-left-color:var(--green)}
@keyframes fadein{from{opacity:0;transform:translateY(6px)}to{opacity:1}}

.mode-radios{display:flex;gap:0}
.radio-pill{display:inline-block;position:relative}
.radio-pill input{position:absolute;opacity:0;width:0;height:0}
.radio-pill:has(input:checked){background:var(--accent);color:#fff;border-color:var(--accent)}
.radio-pill{padding:5px 14px;border:1px solid var(--border);border-radius:6px;font-size:12px;cursor:pointer;user-select:none;margin:0}
.radio-pill:first-child{border-radius:6px 0 0 6px}
.radio-pill:last-child{border-radius:0 6px 6px 0}
.radio-pill:hover{background:#232f42}
.radio-pill:has(input:checked):hover{background:var(--accent)}

.chart-toolbar{display:flex;align-items:center;gap:8px;padding:0 2px 6px}
.chart-tf{display:flex;gap:4px;flex:1}
.chart-tf button{font-size:11px;padding:3px 10px}
.chart-tf button.active{border-color:var(--accent);background:#16233a;color:#fff}
.chart-val{color:var(--muted);font-size:11px;text-align:right;white-space:nowrap;line-height:1.4}
#chart-card{height:auto;padding:6px}
#chart{width:100%;height:430px;display:block;cursor:crosshair;position:relative}
#chart-tip{position:absolute;pointer-events:none;background:rgba(11,15,20,.92);border:1px solid var(--border);border-radius:6px;padding:6px 9px;font-size:11px;line-height:1.5;color:var(--text);box-shadow:0 4px 14px rgba(0,0,0,.4);z-index:10;display:none;white-space:nowrap}
#chart-tip b{color:var(--accent)}