/* ── Reset & tokens ─────────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0a0c10;
  --bg-panel: #10131a;
  --bg-row-alt: #111419;
  --bg-ctrl: #1a1e28;
  --border: #1f2536;
  --border-dim: #161a24;

  --accent: #3b82f6;
  --accent-dim: rgba(59, 130, 246, .15);
  --green: #10b981;
  --red: #ef4444;
  --amber: #f59e0b;

  /* Chart palette */
  --col-a: #60a5fa;
  /* exchange A – sky blue   */
  --col-b: #34d399;
  /* exchange B – emerald    */
  --col-live-a: #fbbf24;
  /* live A – amber          */
  --col-live-b: #fb923c;
  /* live B – orange         */
  --col-up: #22c55e;
  /* histogram positive – green */
  --col-dn: #f87171;
  /* histogram negative – red   */
  --col-zero: rgba(255, 255, 255, .2);

  --text: #e2e8f0;
  --text-sub: #64748b;
  --text-dim: #334155;

  --topbar-h: 56px;
  --radius: 8px;
  --radius-sm: 4px;
}

html {
  font-size: 14px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Custom Scrollbar ──────────────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-sub);
}

/* ── Top bar ────────────────────────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 20px;
  background: rgba(10, 12, 16, .92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.nav-menu {
  display: flex;
  gap: 8px;
  align-items: center;
  flex: 1;
}

.nav-btn {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  font-weight: 600;
  text-decoration: none;
  font-family: 'Inter', sans-serif;
  transition: opacity .15s, background .15s, border-color .15s, color .15s;
}

.nav-btn.active {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
}

.nav-btn:not(.active) {
  background: transparent;
  color: var(--text-sub);
  border: 1px solid var(--border);
}

.nav-btn:not(.active):hover {
  color: var(--text);
  border-color: var(--text-sub);
}

.status-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  color: var(--text-sub);
}

.sep {
  color: var(--border);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: background .3s;
}

.dot--idle {
  background: var(--text-dim);
}

.dot--loading {
  background: var(--amber);
  animation: pulse 1s infinite;
}

.dot--ok {
  background: var(--green);
}

.dot--error {
  background: var(--red);
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1
  }

  50% {
    opacity: .3
  }
}

.controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.ctrl-label {
  font-size: .75rem;
  color: var(--text-sub);
  white-space: nowrap;
}

.ctrl-input {
  width: 72px;
  padding: 4px 8px;
  background: var(--bg-ctrl);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: .8rem;
  outline: none;
  transition: border-color .2s;
}

.ctrl-input:focus {
  border-color: var(--accent);
}

/* ── Layout ─────────────────────────────────────────────────────────────────── */
.layout {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 16px;
}

/* ── Panel ──────────────────────────────────────────────────────────────────── */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--border-dim);
  flex-shrink: 0;
}

.panel-title {
  font-size: .95rem;
  font-weight: 600;
}

.panel-sub {
  font-size: .75rem;
  color: var(--text-sub);
}

/* ── Table ──────────────────────────────────────────────────────────────────── */
.table-wrap {
  flex: 1;
  overflow-y: auto;
}

.table-wrap::-webkit-scrollbar {
  width: 6px;
}

.table-wrap::-webkit-scrollbar-track {
  background: var(--bg-panel);
}

.table-wrap::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-family: 'JetBrains Mono', monospace;
  font-size: .78rem;
}

thead th {
  position: sticky;
  top: 0;
  background: var(--bg-panel);
  padding: 8px 14px;
  text-align: left;
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-sub);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
  transition: color .2s;
}

thead th:hover {
  color: var(--text);
}

thead th.sorted-asc::after {
  content: ' ↑';
  color: var(--accent);
}

thead th.sorted-desc::after {
  content: ' ↓';
  color: var(--accent);
}

tbody tr {
  border-bottom: 1px solid var(--border-dim);
  cursor: pointer;
  transition: background .12s;
}

tbody tr:nth-child(even) {
  background: var(--bg-row-alt);
}

tbody tr:hover {
  background: var(--accent-dim);
}

tbody tr.active-row {
  background: var(--accent-dim);
  outline: 1px inset var(--accent);
}

td {
  padding: 7px 14px;
  color: var(--text);
  white-space: nowrap;
}

td.spread-cell {
  font-weight: 600;
}

td.spread-cell.spread--high {
  color: var(--green);
}

td.spread-cell.spread--medium {
  color: var(--amber);
}

td.spread-cell.spread--low {
  color: var(--text);
}

td.dir-cell {
  font-size: .7rem;
  color: var(--text-sub);
}

.placeholder-row td {
  text-align: center;
  color: var(--text-sub);
  padding: 32px;
}

/* ── Modal ──────────────────────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, .72);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fade-in .18s ease;
}

.modal-backdrop.hidden {
  display: none;
}

@keyframes fade-in {
  from {
    opacity: 0
  }

  to {
    opacity: 1
  }
}

.modal {
  background: var(--bg-panel);
  width: 100vw;
  height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: none;
}

@keyframes slide-up {
  from {
    transform: translateY(20px);
    opacity: 0
  }

  to {
    transform: none;
    opacity: 1
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding: 24px;
  flex-shrink: 0;
}

.modal-title {
  font-size: 1.05rem;
  font-weight: 700;
}

.modal-sub {
  font-size: .72rem;
  color: var(--text-sub);
  margin-top: 2px;
}

.modal-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.modal-close {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-sub);
  padding: 4px 10px;
  cursor: pointer;
  font-size: .85rem;
  transition: color .15s, border-color .15s;
  flex-shrink: 0;
}

.modal-close:hover {
  color: var(--text);
  border-color: var(--text-sub);
}

/* ── Timeframe buttons ───────────────────────────────────────────────────────── */
.tf-bar {
  display: flex;
  gap: 4px;
}

.tf-btn {
  background: var(--bg-ctrl);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-sub);
  padding: 3px 10px;
  font-size: .72rem;
  font-weight: 500;
  cursor: pointer;
  transition: all .15s;
  font-family: 'Inter', sans-serif;
}

.tf-btn:hover {
  color: var(--text);
  border-color: var(--text-sub);
}

.tf-btn--active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.tv-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ── Volume Info ─────────────────────────────────────────────────────────────── */
.volume-info {
  display: flex;
  justify-content: center;
  gap: 24px;
  padding: 10px 12px;
  font-size: 0.8rem;
  color: var(--text-sec);
  border-top: 1px solid var(--border);
  background: var(--bg-hover);
  border-radius: 0 0 8px 8px;
}

.volume-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.volume-val {
  color: var(--text-main);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* ── Live feed bar ───────────────────────────────────────────────────────────── */
.ws-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .75rem;
}

.ws-label {
  color: var(--text-sub);
  font-weight: 500;
}

.ws-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  color: var(--text-sub);
}

.ws-toggle input {
  accent-color: var(--accent);
  cursor: pointer;
}

.ws-toggle:hover {
  color: var(--text);
}

.ws-indicator {
  font-size: .8rem;
  transition: color .3s;
}

.ws-indicator--off {
  color: var(--text-dim);
}

.ws-indicator--on {
  color: var(--green);
  animation: pulse .8s infinite;
}

.ws-indicator--err {
  color: var(--red);
}

/* ── Charts ──────────────────────────────────────────────────────────────────── */
.charts-wrap {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  gap: 16px;
  position: relative;
  padding: 0 24px 24px 24px;
}

.chart-row {
  display: flex;
  min-height: 0;
  border-bottom: 1px solid var(--border-dim);
}

.chart-row--price {
  flex: 1;
}

.chart-row--hist {
  flex: 0 0 170px;
}

.chart-row-label {
  writing-mode: vertical-lr;
  transform: rotate(180deg);
  font-size: .62rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-dim);
  padding: 8px 5px;
  flex-shrink: 0;
  width: 20px;
}

.chart-svg-wrap {
  flex: 1;
  min-width: 0;
}

.chart-svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* SVG line styles */
.line--a {
  stroke: var(--col-a);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.line--b {
  stroke: var(--col-b);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.line--live-a {
  stroke: var(--col-live-a);
  stroke-width: 1.5;
  stroke-dasharray: 4 2;
}

.line--live-b {
  stroke: var(--col-live-b);
  stroke-width: 1.5;
  stroke-dasharray: 4 2;
}

.grid line {
  stroke: var(--border-dim);
  stroke-width: 1;
}

.zero-line {
  stroke: var(--col-zero);
  stroke-width: 1.5;
  stroke-dasharray: 3 3;
}

.crosshair {
  stroke: rgba(255, 255, 255, .25);
  stroke-width: 1;
  pointer-events: none;
}

.axis-labels text {
  fill: var(--text-sub);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
}

/* Tooltip */
.tooltip-group rect {
  fill: var(--bg-ctrl);
  stroke: var(--border);
  rx: 4;
}

.tooltip-text {
  fill: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
}

/* ── Legend ─────────────────────────────────────────────────────────────────── */
.legend {
  display: flex;
  gap: 16px;
  padding: 7px 18px;
  font-size: .72rem;
  border-top: 1px solid var(--border-dim);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.legend-item {
  color: var(--text-sub);
}

.legend-item--a {
  color: var(--col-a);
}

.legend-item--b {
  color: var(--col-b);
}

.legend-item--live {
  color: var(--col-live-a);
}

/* ── Chart legend (clickable exchange toggles) ───────────────────────────────── */
.chart-legend {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-bottom: 1px solid var(--border-dim);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.chart-legend-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1.5px solid;
  background: transparent;
  cursor: pointer;
  font-size: .72rem;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  transition: opacity .15s, background .15s;
}

.chart-legend-btn .dot-icon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.chart-legend-btn:hover {
  filter: brightness(1.2);
}

.chart-legend-btn.hidden-ex {
  opacity: 0.28;
}

.chart-legend-sep {
  width: 1px;
  height: 16px;
  background: var(--border);
  flex-shrink: 0;
  margin: 0 4px;
}

.chart-legend-label {
  font-size: .68rem;
  color: var(--text-sub);
}

/* ── Scanner exchange filter bar ─────────────────────────────────────────────── */
.exchange-filters {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border-dim);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.ex-filter-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1.5px solid;
  background: transparent;
  cursor: pointer;
  font-size: .72rem;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  transition: opacity .15s;
}

.ex-filter-btn .dot-icon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.ex-filter-btn:hover {
  filter: brightness(1.2);
}

.ex-filter-btn.ex-off {
  opacity: 0.25;
}

.ex-filter-sep {
  width: 1px;
  height: 16px;
  background: var(--border);
  flex-shrink: 0;
  margin: 0 4px;
}

.ex-filter-ctrl {
  font-size: .68rem;
  color: var(--text-sub);
  background: none;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2px 9px;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
}

.ex-filter-ctrl:hover {
  color: var(--text);
}

/* ── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 680px) {

  .modal-header {
    flex-wrap: wrap;
  }

  .chart-row--hist {
    flex: 0 0 130px;
  }

  .controls {
    flex-wrap: wrap;
  }
}

/* ── Trading Bot UI ────────── */
.trading-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .15s;
  font-family: 'Inter', sans-serif;
}

.trading-btn:hover {
  opacity: .85;
}

.modal-trading {
  height: auto;
  min-height: 600px;
  max-width: 1100px;
  background: var(--bg-panel);
}

.trading-layout {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.trading-settings-section {
  width: 100%;
  background: var(--bg-row-alt);
  border-top: 1px solid var(--border-dim);
  padding: 32px 24px;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 16px;
  align-items: flex-end;
}

@media (max-width: 1200px) {
  .settings-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px 16px;
  }
}

@media (max-width: 768px) {
  .settings-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.settings-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 0;
}

.form-group label {
  font-size: .8rem;
  font-weight: 500;
  color: var(--text-sub);
}

.form-group input[type="number"] {
  width: 100%;
  height: 38px;
  padding: 8px 12px;
  background: var(--bg-ctrl);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: .85rem;
  outline: none;
}

.form-group input[type="number"]:focus {
  border-color: var(--accent);
}

.form-group.checkbox-group {
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  height: 38px;
  background: var(--bg-ctrl);
  padding: 0 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.form-group.checkbox-group label {
  margin: 0;
  font-size: 0.85rem;
}

/* Switch Styles */
.switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 22px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border-dim);
  transition: .2s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .2s;
}

input:checked+.slider {
  background-color: var(--accent);
}

input:checked+.slider:before {
  transform: translateX(18px);
}

.slider.round {
  border-radius: 22px;
}

.slider.round:before {
  border-radius: 50%;
}


.trading-save-btn {
  width: 100%;
  padding: 10px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  margin-top: 12px;
  transition: filter .15s;
  font-family: 'Inter', sans-serif;
}

.trading-save-btn:hover {
  filter: brightness(1.1);
}

.trading-main {
  width: 100%;
  padding: 24px;
}

.trading-table-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 16px;
}

.trading-table-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.trading-stats-inline {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.85rem;
}

.trading-table-wrap {
  border: 1px solid var(--border-dim);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-panel);
}

.trading-table-wrap table {
  width: 100%;
}

.trading-table-wrap th {
  background: var(--bg-row-alt);
}

.mt-2 {
  margin-top: 16px;
}

.mb-4 {
  margin-bottom: 32px;
}

.text-center {
  text-align: center;
}

.text-sub {
  color: var(--text-sub);
}

/* ── Active Trade Details Accordion ────────── */
.p-0 {
  padding: 0 !important;
}

.clickable-row {
  cursor: pointer;
  transition: background .15s;
}

.clickable-row:hover {
  background: var(--bg-row-hover);
}

.trade-details-box {
  background: var(--bg-panel);
  border-top: 1px solid var(--border-dim);
  border-bottom: 2px solid var(--border);
  padding: 16px 24px;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.2);
}

.td-col {
  flex: 1;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.td-header {
  font-size: .85rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: capitalize;
}

.td-line {
  font-size: .8rem;
  display: flex;
  justify-content: space-between;
  background: var(--bg-row-alt);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
}

.td-line span {
  color: var(--text-sub);
}

.badge {
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-left: auto;
}

.badge-short {
  background: rgba(220, 53, 69, 0.2);
  color: var(--red);
}

.badge-long {
  background: rgba(40, 167, 69, 0.2);
  color: var(--green);
}

.td-total {
  border-left: 1px solid var(--border-dim);
  padding-left: 24px;
  justify-content: center;
}

.td-total-pnl {
  font-size: 1.2rem;
  font-weight: 700;
  margin-top: 12px;
  text-align: right;
  background: var(--bg-ctrl);
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

/* ── Mobile Responsive Overrides ─────────────────────────────────────────── */
@media (max-width: 768px) {
  html {
    font-size: 13px;
  }

  .topbar {
    flex-wrap: wrap;
    height: auto;
    padding: 16px;
    gap: 16px;
  }

  .status-bar {
    width: 100%;
    order: 3;
    padding-top: 12px;
    border-top: 1px solid var(--border-dim);
  }

  .controls {
    width: 100%;
    order: 2;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 8px;
    border-top: 1px solid var(--border-dim);
    padding-top: 12px;
  }

  .ctrl-label {
    min-width: unset;
  }

  .ctrl-input {
    width: 65px;
  }

  .trading-btn {
    width: 100%;
    text-align: center;
    margin-top: 4px;
    padding: 10px;
  }

  .layout {
    padding: 8px;
  }

  .panel {
    border-radius: 6px;
  }

  .table-wrap,
  .trading-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    display: block;
  }

  table {
    min-width: 600px;
  }

  .panel-header {
    padding: 14px 16px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .exchange-filters {
    padding: 0 16px 12px;
    gap: 6px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
    padding-bottom: 15px;
    /* space for scrollbar */
  }

  .ex-btn {
    flex: 0 0 auto;
  }

  /* Trading Layout Mobile */
  .trading-layout {
    flex-direction: column;
    overflow-y: auto;
  }

  .trading-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border-dim);
    flex: none;
    padding: 16px;
    height: auto;
    max-height: none;
  }

  .trading-main {
    padding: 12px 8px;
  }

  .trade-details-box {
    flex-direction: column;
    gap: 16px;
    padding: 14px;
  }

  .td-col {
    min-width: 100%;
  }

  .td-total {
    border-left: none;
    border-top: 1px solid var(--border-dim);
    padding-left: 0;
    padding-top: 16px;
    text-align: center;
    align-items: center;
  }

  .td-total-pnl {
    text-align: center;
    width: 100%;
  }

  /* Modal Charts */
  .modal-content {
    padding: 12px;
    height: 100%;
    border-radius: 0;
  }

  .chart-area {
    min-height: 250px;
  }
}

/* ── Tabs ── */
.trading-tabs {
  display: flex;
  gap: 2px;
  padding: 16px 24px 0 24px;
  border-bottom: 1px solid var(--border-dim);
  background: var(--bg-row-alt);
}

.t-tab {
  padding: 12px 24px;
  background: transparent;
  color: var(--text-sub);
  border: none;
  border-bottom: 2px solid transparent;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'Inter', sans-serif;
  border-top-left-radius: 6px;
  border-top-right-radius: 6px;
}

.t-tab:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.t-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fade-in 0.2s ease;
}

/* iframe mode for trading dashboard charts */
body.iframe-mode {
  background: var(--bg-panel);
  overflow: hidden;
}

body.iframe-mode .topbar,
body.iframe-mode .layout {
  display: none !important;
}

body.iframe-mode .modal-backdrop {
  background: var(--bg-panel);
  padding: 0;
  z-index: 1000;
}

body.iframe-mode .modal {
  width: 100vw;
  height: 100vh;
  max-width: none;
  border-radius: 0;
  border: none;
  box-shadow: none;
}

/* ── Mobile Responsive Logic ──────────────────────────────────────────────── */
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

@media (max-width: 900px) {
  .mobile-menu-btn { 
    display: block; 
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: var(--topbar-h);
    left: 0;
    right: 0;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px;
    align-items: stretch !important;
    gap: 12px !important;
    z-index: 100;
  }
  
  .nav-menu.open {
    display: flex;
  }
  
  .nav-menu .nav-btn {
    text-align: left;
    padding: 12px 16px;
    border-color: var(--border-dim) !important;
  }
  
  .nav-menu .nav-right {
    flex-direction: column !important;
    align-items: stretch !important;
    margin-left: 0 !important;
    margin-top: 8px;
    border-top: 1px solid var(--border-dim);
    padding-top: 16px;
  }
  
  .nav-menu .status-bar {
    padding: 8px 16px;
  }
  
  .charts-grid { 
    grid-template-columns: 1fr; 
  }
}