:root {
  --bg: #0e1116;
  --panel: #181c25;
  --border: #2a2e39;
  --text: #d1d4dc;
  --muted: #868d9b;
  --green: #26a69a;
  --red: #ef5350;
  --accent: #2962ff;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif; font-size: 14px;
}
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 18px; background: var(--panel); border-bottom: 1px solid var(--border);
}
header h1 { font-size: 18px; margin: 0; }
.controls { display: flex; align-items: center; gap: 8px; }
select, button {
  background: #1d242e; color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 10px; cursor: pointer; font-size: 13px;
}
button:hover { border-color: var(--accent); }
button.mini { padding: 2px 8px; font-size: 11px; }
.status { color: var(--muted); font-size: 12px; min-width: 120px; }
.overlays-bar {
  display: flex; flex-wrap: wrap; gap: 14px; padding: 8px 18px;
  background: var(--panel); border-bottom: 1px solid var(--border); font-size: 12px;
}
.overlays-bar label { display: flex; align-items: center; gap: 5px; cursor: pointer; color: var(--muted); }
.overlays-bar input { accent-color: var(--accent); cursor: pointer; }
main { display: flex; gap: 12px; padding: 12px; }
.chart-wrap { position: relative; flex: 1; background: #131722; border: 1px solid var(--border); border-radius: 8px; padding: 6px; }
#chart { width: 100%; height: 600px; }
.legend {
  position: absolute; top: 12px; left: 14px; z-index: 5; font-size: 12.5px;
  color: var(--text); pointer-events: none; text-shadow: 0 1px 2px #000;
}
.legend b { color: #fff; }
.params-form { display: flex; flex-direction: column; gap: 6px; font-size: 12px; }
.params-form label { display: flex; flex-direction: column; gap: 3px; color: var(--muted); }
.params-form label.chk { flex-direction: row; align-items: center; gap: 5px; }
.params-form input[type=number], .params-form select {
  background: #1d242e; color: var(--text); border: 1px solid var(--border);
  border-radius: 5px; padding: 5px 7px; font-size: 12px; width: 100%;
}
.params-form .prow { display: flex; gap: 6px; }
.params-form .prow > label { flex: 1; }
.params-form .ptitle { color: var(--muted); font-size: 11px; margin-top: 4px; text-transform: uppercase; letter-spacing: .5px; }
#params-apply { background: var(--accent); color: #fff; border-color: var(--accent); }
.side { width: 280px; display: flex; flex-direction: column; gap: 12px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; }
.card h2 { margin: 0 0 10px; font-size: 14px; color: var(--muted); font-weight: 600; }
.mtf-card { margin: 0 12px 12px; }
.row { display: flex; justify-content: space-between; padding: 3px 0; }
.row span:last-child { font-variant-numeric: tabular-nums; }
.long { color: var(--green); } .short { color: var(--red); }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { padding: 6px 8px; text-align: center; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }
td.sym { text-align: left; font-weight: 600; }
.bull { color: var(--green); } .bear { color: var(--red); }
.muted { color: var(--muted); font-size: 12px; }
.hidden { display: none !important; }
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.6);
  display: flex; align-items: center; justify-content: center; z-index: 50;
}
.modal {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  width: 460px; max-width: 92vw; max-height: 90vh; overflow-y: auto; padding: 18px 20px;
}
.modal-head { display: flex; justify-content: space-between; align-items: center; }
.modal h2 { margin: 0; } .modal h3 { margin: 18px 0 8px; font-size: 13px; color: var(--muted); }
.modal input, .modal select {
  width: 100%; background: #1d242e; color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 8px 10px; margin: 4px 0; font-size: 13px;
}
.form-grid { display: grid; gap: 6px; }
.modal button { margin-top: 8px; }
.bot-controls { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.bot-controls select { width: auto; }
.log {
  background: #0b0e11; border: 1px solid var(--border); border-radius: 6px;
  padding: 10px; font-size: 11px; max-height: 220px; overflow-y: auto;
  white-space: pre-wrap; color: #9fb0c3; margin-top: 10px;
}