:root {
  --bg: #0a0e14;
  --bg2: #0e141c;
  --panel: #111925;
  --panel2: #152030;
  --line: #1d2a3a;
  --line2: #263548;
  --text: #dbe4ef;
  --text2: #93a3b8;
  --text3: #64748b;
  --accent: #22d3a6;
  --accent2: #14b8a6;
  --blue: #4ea1ff;
  --amber: #f5b84b;
  --violet: #a78bfa;
  --up: #22c55e;
  --down: #ef4444;
  --radius: 10px;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 13px/1.45 var(--sans);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: 'tnum' 1, 'cv11' 1;
}
button, input, select { font: inherit; color: inherit; }
.muted { color: var(--text2); }
.small { font-size: 11.5px; }
sup { font-size: 0.7em; }

/* ---------- Layout ---------- */
.app {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr) 360px;
  grid-template-rows: 60px minmax(0, 1fr);
  grid-template-areas: 'top top top' 'rail main side';
  height: 100vh;
}
.topbar { grid-area: top; }
.rail { grid-area: rail; }
.main { grid-area: main; }
.side { grid-area: side; }

/* ---------- Top bar ---------- */
.topbar {
  display: flex; align-items: center; gap: 20px;
  padding: 0 18px;
  background: linear-gradient(180deg, #0f1722, #0c121a);
  border-bottom: 1px solid var(--line);
  position: relative; z-index: 20;
}
.brand { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.brand-mark { width: 30px; height: 30px; }
.brand-mark rect { fill: #0e1a24; stroke: #1f3a3a; }
.brand-mark path { stroke: var(--accent); stroke-width: 3; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.brand-text { font-size: 15px; font-weight: 600; letter-spacing: 0.2px; }
.brand-text b { color: var(--accent); font-weight: 700; }
.brand-text span { color: var(--text3); font-weight: 500; margin-left: 6px; font-size: 12px; text-transform: uppercase; letter-spacing: 1.2px; }

.search { position: relative; flex: 1 1 320px; max-width: 460px; }
.search .ico { position: absolute; left: 11px; top: 50%; width: 16px; height: 16px; transform: translateY(-50%); stroke: var(--text3); fill: none; stroke-width: 2; }
.search input {
  width: 100%; height: 36px; padding: 0 40px 0 34px;
  background: var(--bg); border: 1px solid var(--line2); border-radius: 8px; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.search input:focus { border-color: var(--accent2); box-shadow: 0 0 0 3px rgba(34,211,166,.12); }
.search kbd {
  position: absolute; right: 9px; top: 50%; transform: translateY(-50%);
  font: 11px var(--mono); color: var(--text3); border: 1px solid var(--line2); border-radius: 4px; padding: 0 5px;
}
.search-results {
  position: absolute; top: 42px; left: 0; right: 0; display: none;
  background: var(--panel); border: 1px solid var(--line2); border-radius: 8px;
  box-shadow: 0 18px 40px rgba(0,0,0,.5); overflow: hidden; max-height: 360px; overflow-y: auto;
}
.search-results.open { display: block; }
.search-results .item { display: grid; grid-template-columns: 96px 1fr auto; gap: 10px; padding: 8px 12px; cursor: pointer; align-items: center; }
.search-results .item:hover, .search-results .item.active { background: var(--panel2); }
.search-results .item b { font-family: var(--mono); font-weight: 600; color: var(--accent); font-size: 12px; }
.search-results .item span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.search-results .item small { color: var(--text3); font-size: 11px; white-space: nowrap; }
.search-results .item small.fut { color: var(--amber); }
.search-results .item small.cert { color: var(--violet); }
.search-results .empty { padding: 10px 12px; color: var(--text3); }

.quote { display: flex; align-items: center; gap: 18px; margin-left: auto; min-width: 0; }
.q-sym { display: flex; flex-direction: column; min-width: 0; }
.q-sym span { font: 600 14px var(--mono); }
.q-kind { font: 600 9.5px var(--sans); font-style: normal; text-transform: uppercase; letter-spacing: .04em; padding: 1px 5px; border-radius: 4px; vertical-align: 2px; cursor: help; }
.q-kind.future { color: var(--amber); background: rgba(245,184,75,.12); }
.q-kind.certificate { color: var(--violet); background: rgba(167,139,250,.12); }
.switch:has(input:disabled) { opacity: .45; }
.q-sym small { color: var(--text2); font-size: 11px; max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.q-px { display: flex; flex-direction: column; align-items: flex-end; }
.q-px span { font: 600 16px var(--mono); }
.q-px small { font: 500 11.5px var(--mono); }
.pos { color: var(--up) !important; }
.neg { color: var(--down) !important; }

.seg { display: inline-flex; background: var(--bg); border: 1px solid var(--line2); border-radius: 8px; padding: 2px; gap: 2px; }
.seg button { border: 0; background: none; padding: 5px 10px; border-radius: 6px; color: var(--text2); cursor: pointer; font-weight: 500; font-size: 12px; }
.seg button:hover { color: var(--text); }
.seg button.on { background: var(--panel2); color: var(--accent); box-shadow: inset 0 0 0 1px var(--line2); }
.seg.sm button { padding: 3px 8px; font-size: 11px; }

/* ---------- Rail ---------- */
.rail {
  background: var(--bg2); border-right: 1px solid var(--line);
  padding: 14px 10px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 2px;
}
.rail h4 { margin: 4px 8px 10px; font-size: 10.5px; text-transform: uppercase; letter-spacing: 1.4px; color: var(--text3); font-weight: 600; }
.rail button {
  display: flex; align-items: center; gap: 10px; width: 100%; text-align: left;
  padding: 9px 10px; border-radius: 8px; border: 1px solid transparent; background: none; cursor: pointer; color: var(--text2);
  font-weight: 500;
}
.rail button svg { width: 18px; height: 18px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.rail button:hover { background: var(--panel); color: var(--text); }
.rail button.on { background: linear-gradient(90deg, rgba(34,211,166,.12), rgba(34,211,166,.02)); border-color: rgba(34,211,166,.25); color: var(--text); }
.rail button.on svg { stroke: var(--accent); }
.rail .badge { margin-left: auto; font-size: 9.5px; color: var(--accent); border: 1px solid rgba(34,211,166,.35); padding: 0 5px; border-radius: 4px; }

/* ---------- Main ---------- */
.main { overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.card-head { display: flex; align-items: center; gap: 10px; padding: 12px 14px 0; }
.card-head h3 { margin: 0; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; color: var(--text2); }
.card-head .btn, .card-head .seg { margin-left: auto; }
.card-head .muted { font-size: 12px; }

.kpis { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 10px; }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; min-width: 0; }
.kpi .k { font-size: 10.5px; text-transform: uppercase; letter-spacing: .9px; color: var(--text3); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kpi .v { font: 600 18px var(--mono); margin-top: 3px; white-space: nowrap; }
.kpi .s.oos { color: var(--amber); font-size: 10.5px; }
.kpi .s.oos b { font-weight: 600; }
.kpi .s { font: 11px var(--mono); color: var(--text2); margin-top: 1px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.chart-card { display: flex; flex-direction: column; flex: 1 0 auto; min-height: 560px; }
.chart-toolbar { display: flex; align-items: center; gap: 12px; padding: 8px 12px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 14px; font: 11.5px var(--mono); color: var(--text2); min-height: 18px; }
.legend b { color: var(--text); font-weight: 500; }
.legend .dot { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 5px; vertical-align: 0; }
.tools { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.chk { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; color: var(--text2); font-size: 12px; user-select: none; }
.chk input { accent-color: var(--accent); margin: 0; }
.chart-wrap { position: relative; flex: 1; min-height: 520px; }
#chart { position: absolute; inset: 0; }
.pane-label { position: absolute; left: 10px; font: 11px var(--mono); color: var(--text3); pointer-events: none; z-index: 3; }
.overlay { position: absolute; inset: 0; display: none; align-items: center; justify-content: center; gap: 10px; background: rgba(10,14,20,.6); z-index: 5; color: var(--text2); }
.overlay.on { display: flex; }
.spinner { width: 18px; height: 18px; border: 2px solid var(--line2); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.btn { border: 1px solid rgba(34,211,166,.4); background: rgba(34,211,166,.12); color: var(--accent); border-radius: 7px; padding: 6px 12px; cursor: pointer; font-weight: 600; font-size: 12px; }
.btn:hover { background: rgba(34,211,166,.2); }
.btn.sm { padding: 4px 10px; font-size: 11.5px; }
.btn.ghost { background: none; border-color: var(--line2); color: var(--text2); }
.btn.ghost:hover { color: var(--text); border-color: var(--text3); }
.btn:disabled { opacity: .5; cursor: default; }

.trades-card { flex: none; }
.table-wrap { max-height: 300px; overflow: auto; margin-top: 10px; }
table.trades { width: 100%; border-collapse: collapse; font: 12px var(--mono); }
table.trades th { position: sticky; top: 0; background: var(--panel); text-align: right; font: 600 10.5px var(--sans); color: var(--text3); text-transform: uppercase; letter-spacing: .8px; padding: 6px 12px; border-bottom: 1px solid var(--line); }
table.trades td { text-align: right; padding: 5px 12px; border-bottom: 1px solid rgba(29,42,58,.6); white-space: nowrap; }
table.trades th:first-child, table.trades td:first-child, table.trades th:nth-child(2), table.trades td:nth-child(2) { text-align: left; }
table.trades tr:hover td { background: rgba(78,161,255,.05); }
table.trades tr.open td { color: var(--amber); }
.tag { display: inline-block; padding: 0 6px; border-radius: 4px; font-size: 10.5px; font-weight: 600; }
.tag.long { background: rgba(34,197,94,.14); color: var(--up); }
.tag.short { background: rgba(239,68,68,.14); color: var(--down); }
.foot { color: var(--text3); font-size: 11px; padding: 0 2px 8px; }

/* ---------- Side ---------- */
.side { overflow-y: auto; overflow-x: hidden; min-width: 0; padding: 14px 14px 14px 0; display: flex; flex-direction: column; gap: 14px; }
.desc { margin: 8px 14px 0; color: var(--text2); font-size: 12px; }
.params { padding: 10px 14px 14px; display: flex; flex-direction: column; gap: 12px; }
.slider-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 4px; font-size: 12px; color: var(--text2); }
.slider-top b { font: 600 13px var(--mono); color: var(--text); }
.slider-top b .unit { color: var(--text3); font-weight: 400; }
input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 18px; background: transparent; margin: 0; cursor: pointer; }
input[type=range]::-webkit-slider-runnable-track { height: 4px; border-radius: 2px; background: linear-gradient(90deg, var(--accent) var(--p, 50%), var(--line2) var(--p, 50%)); }
input[type=range]::-moz-range-track { height: 4px; border-radius: 2px; background: var(--line2); }
input[type=range]::-moz-range-progress { height: 4px; border-radius: 2px; background: var(--accent); }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 14px; height: 14px; border-radius: 50%; background: #e8fff8; border: 3px solid var(--accent); margin-top: -5px; box-shadow: 0 0 0 4px rgba(34,211,166,.12); }
input[type=range]::-moz-range-thumb { width: 10px; height: 10px; border-radius: 50%; background: #e8fff8; border: 3px solid var(--accent); }
.slider small { display: block; margin-top: 4px; font-size: 11px; }
.field { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text2); }
.field input, .field select, select.sel {
  height: 32px; padding: 0 10px; background: var(--bg); border: 1px solid var(--line2); border-radius: 7px; outline: none; font-family: var(--mono); font-size: 12.5px;
}
.field input:focus, .field select:focus { border-color: var(--accent2); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.switch { display: flex; align-items: center; gap: 10px; cursor: pointer; font-size: 12.5px; color: var(--text2); user-select: none; }
.switch input { display: none; }
.switch .sw { width: 30px; height: 17px; border-radius: 10px; background: var(--line2); position: relative; transition: background .15s; flex: none; }
.switch .sw::after { content: ''; position: absolute; left: 2px; top: 2px; width: 13px; height: 13px; border-radius: 50%; background: #cbd5e1; transition: transform .15s; }
.switch input:checked + .sw { background: var(--accent2); }
.switch input:checked + .sw::after { transform: translateX(13px); background: #fff; }

.spec-wrap, .heat-wrap { position: relative; margin: 10px 14px 0; }
#spectrum { width: 100%; height: 190px; display: block; cursor: crosshair; }
#heatmap { width: 100%; height: 250px; display: block; cursor: pointer; }
.spec-tip { position: absolute; pointer-events: none; display: none; background: rgba(8,12,18,.95); border: 1px solid var(--line2); border-radius: 6px; padding: 5px 8px; font: 11px var(--mono); white-space: nowrap; z-index: 4; }
.spec-legend { display: flex; gap: 12px; flex-wrap: wrap; padding: 6px 14px 0; font-size: 11px; color: var(--text3); }
.spec-legend i { display: inline-block; width: 12px; height: 3px; vertical-align: middle; margin-right: 5px; border-radius: 2px; }
.sw-amp { background: var(--blue); }
.sw-bg { background: repeating-linear-gradient(90deg, var(--text3) 0 3px, transparent 3px 5px); }
.sw-resp { background: var(--amber); }
.peaks { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; padding: 10px 14px 0; }
.peak { min-width: 0; overflow: hidden; border: 1px solid var(--line2); border-radius: 7px; padding: 6px 7px; cursor: pointer; background: var(--bg2); text-align: left; }
.peak:hover { border-color: var(--text3); }
.peak.on { border-color: var(--accent); background: rgba(34,211,166,.08); }
.peak b { display: block; font: 600 13px var(--mono); }
.peak small { display: block; font: 10px var(--mono); color: var(--text2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.peak .sig { font-size: 9px; white-space: nowrap; text-transform: uppercase; letter-spacing: .6px; font-family: var(--sans); font-weight: 600; }
.sig.strong { color: var(--accent); } .sig.weak { color: var(--amber); } .sig.none { color: var(--text3); }
.cycle-info { padding: 10px 14px 14px; font-size: 12px; color: var(--text2); }
.cycle-info .phase { display: flex; align-items: center; gap: 12px; }
.cycle-info svg { flex: none; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 3px 12px; font-size: 12px; }
.kv dt { color: var(--text3); }
.kv dd { margin: 0; font-family: var(--mono); color: var(--text); text-align: right; white-space: nowrap; }
.kv dd .sig { margin-left: 4px; font-family: var(--sans); font-size: 10px; text-transform: uppercase; letter-spacing: .5px; font-weight: 600; }

#tune { padding: 10px 14px 14px; font-size: 12px; color: var(--text2); }
#tune p { margin: 0 0 10px; }
.tune-pair { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 8px; background: var(--bg2); border: 1px solid var(--line2); margin-bottom: 10px; }
.tune-pair .big { font: 600 18px var(--mono); color: var(--accent); }
.tune-pair .btn { margin-left: auto; }
.compare { width: 100%; border-collapse: collapse; font: 11.5px var(--mono); margin-bottom: 10px; }
.compare th { font: 600 10px var(--sans); text-transform: uppercase; letter-spacing: .7px; color: var(--text3); text-align: right; padding: 4px 6px; border-bottom: 1px solid var(--line); }
.compare td { text-align: right; padding: 4px 6px; border-bottom: 1px solid rgba(29,42,58,.6); }
.compare th:first-child, .compare td:first-child { text-align: left; }
details.explain { border-top: 1px solid var(--line); padding-top: 8px; }
details.explain summary { cursor: pointer; color: var(--text); font-weight: 500; }
details.explain p { margin: 8px 0 0; line-height: 1.55; }
details.explain code { font-family: var(--mono); font-size: 11px; color: var(--amber); }
#heatInfo { padding: 8px 14px 14px; }

.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(20px); background: #2a1215; border: 1px solid #7f1d1d; color: #fecaca; padding: 10px 16px; border-radius: 8px; opacity: 0; pointer-events: none; transition: all .2s; z-index: 50; max-width: calc(100vw - 32px); }
.toast.on { opacity: 1; transform: translateX(-50%); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #1e2b3b; border-radius: 6px; border: 2px solid var(--bg); }
::-webkit-scrollbar-track { background: transparent; }

/* ---------- Responsive ---------- */
@media (max-width: 1500px) {
  .kpis { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 1200px) {
  .app { grid-template-columns: 64px minmax(0, 1fr) 340px; }
  .rail button span, .rail h4, .rail .badge { display: none; }
  .rail button { justify-content: center; }
  .brand-text span { display: none; }
}
@media (max-width: 900px) {
  /* Single column: chart, then parameters, then the trade log. */
  .app { display: flex; flex-direction: column; height: auto; gap: 12px; padding-bottom: 16px; }
  .main { display: contents; }
  .topbar { order: 0; } .rail { order: 1; } .kpis { order: 2; } .chart-card { order: 3; }
  .side { order: 4; } .trades-card { order: 5; } .foot { order: 6; }
  .kpis, .chart-card, .trades-card, .foot { margin: 0 16px; }
  .topbar { flex-wrap: wrap; height: auto; padding: 10px 16px; gap: 10px; }
  .search { order: 3; flex-basis: 100%; max-width: none; }
  .quote { margin-left: auto; }
  .seg#rangeSeg { order: 4; }
  .rail { flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line); padding: 8px 16px; }
  .rail button { width: auto; flex: none; }
  .rail button span { display: inline; }
  .side { padding: 0 16px; overflow: visible; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .chart-card { min-height: 0; }
  .chart-wrap { min-height: 480px; height: 480px; flex: none; }
  .tools { margin-left: 0; flex-wrap: wrap; }
  .q-sym small { max-width: 140px; }
}
.pane-label.waves { right: 84px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }