/* MLM-Python frontend — dark theme, institutional feel */
:root {
  --bg:        #0D1B2A;
  --bg-2:      #152436;
  --bg-3:      #1B263B;
  --border:    #253A56;
  --fg:        #E0E1DD;
  --fg-dim:    #8EA0B8;
  --accent:    #4FC3F7;
  --red:       #F44336;
  --green:     #4CAF50;
  --orange:    #FF9800;
  --magenta:   #AB47BC;
  --dim:       #616161;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  color: var(--fg);
  background: var(--bg);
  height: 100vh;
  overflow: hidden;
}

/* ---------- Header ---------- */
.topbar {
  display: flex; align-items: center; gap: 12px;
  height: 44px; padding: 0 12px;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
}
.topbar .brand  { flex: 0 0 auto; margin-right: auto; }
.topbar .status { flex: 0 0 auto; margin-left: auto; }
.brand { font-weight: 600; letter-spacing: .5px; }
.brand span { color: var(--accent); }
.brand small { color: var(--fg-dim); margin-left: 6px; font-weight: 400; }
.status {
  font-size: 12px; color: var(--fg-dim);
  padding: 4px 10px; background: var(--bg); border-radius: 4px;
  border: 1px solid var(--border);
}
.toggle-pane {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg-dim);
  width: 28px; height: 28px;
  cursor: pointer;
  border-radius: 4px;
  font-size: 11px;
  display: flex; align-items: center; justify-content: center;
  transition: all .1s;
}
.toggle-pane:hover { color: var(--fg); border-color: var(--accent); }
.toggle-pane.collapsed { color: var(--accent); border-color: var(--accent); }

/* Live feed source badge in the header */
.feed-badge {
  font-size: 11px;
  font-weight: 500;
  padding: 3px 9px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--fg-dim);
  margin-left: 6px;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* MT5 setup banner */
.mt5-banner {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 14px;
  background: linear-gradient(90deg, #1E3A8A 0%, #152436 60%);
  color: #DCE7F7;
  border-bottom: 1px solid var(--border);
  font-size: 12.5px;
}
.mt5-banner strong { color: #FFCA28; }
.mt5-banner .mt5-msg { flex: 1; color: var(--fg-dim); }
.mt5-banner a {
  color: #4FC3F7; text-decoration: none; border: 1px solid #4FC3F7;
  padding: 3px 10px; border-radius: 4px; font-weight: 500;
}
.mt5-banner a:hover { background: #4FC3F7; color: #0D1B2A; }
.mt5-banner button {
  background: transparent; border: none; color: var(--fg-dim);
  cursor: pointer; font-size: 16px; padding: 2px 8px;
}
.mt5-banner button:hover { color: var(--fg); }

/* ---------- Layout — expands when panels collapsed ---------- */
.app {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr) 280px;
  width: 100%;
  height: calc(100vh - 44px);
}
.app.hide-left  { grid-template-columns: 0 minmax(0, 1fr) 280px; }
.app.hide-right { grid-template-columns: 240px minmax(0, 1fr) 0; }
.app.hide-left.hide-right { grid-template-columns: 0 minmax(0, 1fr) 0; }
/* Use visibility+padding:0 instead of display:none — display:none on a grid
   sibling is a known Chromium quirk that collapses `1fr` columns to zero. */
.app.hide-left  .left,
.app.hide-right .right {
  visibility: hidden;
  padding: 0;
  pointer-events: none;
  border: none;
}

.left, .right {
  background: var(--bg-2);
  overflow-y: auto;
  padding: 14px 14px 30px;
}
.left { border-right: 1px solid var(--border); }
.right { border-left: 1px solid var(--border); }

.center {
  display: flex; flex-direction: column;
  background: var(--bg);
  overflow: hidden;
  min-width: 0;   /* allow this grid child to shrink/grow without intrinsic clamp */
  min-height: 0;
}

/* ---------- Sidebar sections ---------- */
section {
  margin-bottom: 18px;
}
section h3 {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--fg-dim);
  font-weight: 600;
}
label {
  display: block;
  font-size: 12px;
  color: var(--fg-dim);
  margin-bottom: 8px;
}
label input[type="range"] { width: 100%; margin-top: 4px; }
label input[type="checkbox"] { vertical-align: middle; margin-right: 6px; }
label span { color: var(--fg); margin-left: 6px; font-weight: 600; }

input[type="number"], input[type="text"], select {
  width: 100%;
  padding: 6px 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg);
  border-radius: 4px;
  font-size: 13px;
  font-family: inherit;
}
input[type="color"] {
  width: 36px; height: 22px;
  padding: 0;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  border-radius: 3px;
}
small.section-hint, .persistence-note small {
  display: block;
  color: var(--fg-dim);
  font-size: 11px;
  line-height: 1.5;
  margin-bottom: 6px;
}
.persistence-note {
  background: rgba(79, 195, 247, 0.08);
  padding: 8px 10px;
  border-radius: 4px;
  border-left: 3px solid var(--accent);
}
.persistence-note small { margin: 0; color: var(--fg); }

/* ---------- Combobox for symbol search ---------- */
.combo-wrap { position: relative; }
.combo-list {
  position: absolute; top: 100%; left: 0; right: 0;
  max-height: 300px; overflow-y: auto;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 4px 4px;
  z-index: 20;
  display: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}
.combo-list.open { display: block; }
.combo-group {
  padding: 4px 10px;
  font-size: 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0;
}
.combo-item {
  padding: 6px 10px;
  cursor: pointer;
  font-size: 12px;
  display: flex; justify-content: space-between;
  gap: 8px;
}
.combo-item:hover, .combo-item.focused { background: var(--border); color: var(--fg); }
.combo-item .sym { font-weight: 600; font-family: 'JetBrains Mono', Consolas, monospace; }
.combo-item .desc { color: var(--fg-dim); font-size: 10px; text-align: right; }
.sym-current {
  margin-top: 6px;
  padding: 4px 8px;
  background: var(--bg);
  border-radius: 3px;
  font-family: 'JetBrains Mono', Consolas, monospace;
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
}

/* ---------- Multi-TF checkbox row ---------- */
.mtf-group {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px 6px;
}
.mtf-group label {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 4px 6px;
  border-radius: 3px;
  font-size: 11px;
  cursor: pointer;
  margin: 0;
  display: flex; align-items: center; gap: 4px;
  color: var(--fg);
}
.mtf-group input { margin: 0; }

/* ---------- iOS-style toggle switch ---------- */
.toggle-switch {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
  padding: 6px 2px;
  margin-bottom: 6px;
  color: var(--fg);
  font-size: 12px;
}
.toggle-switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.toggle-track {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  background: var(--border);
  border-radius: 999px;
  transition: background .18s ease;
  flex-shrink: 0;
}
.toggle-thumb {
  position: absolute;
  top: 2px; left: 2px;
  width: 16px; height: 16px;
  background: var(--fg);
  border-radius: 50%;
  transition: left .18s ease, background .18s ease;
}
.toggle-switch input:checked ~ .toggle-track {
  background: var(--accent);
}
.toggle-switch input:checked ~ .toggle-track .toggle-thumb {
  left: 18px;
  background: var(--bg);
}
.toggle-text { flex: 1; }

/* ---------- Zone color pickers grid ---------- */
.zone-colors {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 8px;
  align-items: center;
  margin-bottom: 10px;
  font-size: 11px;
}
.zone-colors label {
  display: contents;
  color: var(--fg-dim);
  margin: 0;
}

.tf-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}
.tf-group.tf-small {
  grid-template-columns: repeat(4, 1fr);
}
#market-group {
  grid-template-columns: repeat(2, 1fr);
}
.tf-group button {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg-dim);
  padding: 6px 0;
  cursor: pointer;
  font-size: 12px;
  border-radius: 4px;
  transition: all .1s;
}
.tf-group.tf-small button { padding: 5px 0; font-size: 11px; }
.tf-group button:hover  { color: var(--fg); border-color: var(--accent); }
.tf-group button.active { background: var(--accent); color: var(--bg); border-color: var(--accent); }

button.primary {
  width: 100%;
  background: var(--accent);
  border: none;
  color: var(--bg);
  padding: 8px;
  font-weight: 600;
  cursor: pointer;
  border-radius: 4px;
  margin-top: 8px;
}
button.primary:hover { filter: brightness(1.15); }

/* ---------- Legend ---------- */
.legend {
  list-style: none; padding: 0; margin: 0;
  font-size: 12px;
}
.legend li {
  display: flex; align-items: center;
  margin-bottom: 6px;
  color: var(--fg-dim);
}
.sw {
  display: inline-block;
  width: 14px; height: 10px;
  margin-right: 8px;
  border-radius: 2px;
}
.sw.red     { background: var(--red);     opacity: 0.55; }
.sw.green   { background: var(--green);   opacity: 0.55; }
.sw.orange  { background: var(--orange);  opacity: 0.55; }
.sw.magenta { background: var(--magenta); opacity: 0.55; }
.sw.dim     { background: var(--dim); }

/* ---------- Chart ---------- */
.chart-head {
  display: flex; align-items: center; gap: 24px;
  padding: 8px 16px;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  min-height: 40px;
}
.chart-head .pair { font-weight: 700; font-size: 16px; }
.chart-head .last { font-family: 'JetBrains Mono', Consolas, monospace; font-weight: 600; }
.chart-head .label { color: var(--fg-dim); font-size: 11px; text-transform: uppercase; letter-spacing: .5px; }
.chart-head .sep { opacity: .3; }
.chart-wrap {
  position: relative;
  flex: 1;
  background: var(--bg);
}
#chart {
  position: absolute; inset: 0;
}
#zone-overlay {
  position: absolute; inset: 0;
  pointer-events: none;
  z-index: 2;
}
/* Position fills live on their own canvas so dragging never redraws zones */
#position-overlay {
  position: absolute; inset: 0;
  pointer-events: none;
  z-index: 3;
}

/* ============================================================
   Drawing toolbar (floating, left side of chart, TV-style)
   ============================================================ */
.draw-toolbar {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 20;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 4px;
  background: rgba(21, 36, 54, 0.92);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0,0,0,.4);
  backdrop-filter: blur(4px);
}
.draw-toolbar .tool-btn {
  width: 28px; height: 28px;
  background: transparent;
  color: var(--fg-dim);
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  padding: 0;
  transition: all .12s ease;
  line-height: 1;
}
.draw-toolbar .tool-btn:hover {
  background: var(--bg); color: var(--fg); border-color: var(--border);
}
.draw-toolbar .tool-btn.active {
  background: var(--accent); color: #0D1B2A; border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(79,195,247,.25);
}
.draw-toolbar .tool-color {
  border: 2px solid rgba(255,255,255,.2);
}
.draw-toolbar .tool-color:hover { border-color: #fff; }
.draw-toolbar .tool-clear {
  color: var(--red);
  margin-top: 4px;
  border-top: 1px solid var(--border);
  border-radius: 0 0 4px 4px;
  padding-top: 6px;
}
.draw-toolbar .tool-clear:hover { background: rgba(244,67,54,.15); color: var(--red); }

@media (hover: none) and (pointer: coarse) {
  /* Bigger touch targets on mobile */
  .draw-toolbar .tool-btn { width: 36px; height: 36px; font-size: 18px; }
}
/* On narrow mobile, move toolbar to the right so it doesn't overlap the hamburger for left sidebar */
@media (max-width: 820px) {
  .draw-toolbar { top: 8px; left: 8px; }
}
/* Captures the first click when user is in draw mode (Long / Short) */
#position-draw-overlay {
  position: absolute; inset: 0;
  z-index: 15;
  cursor: crosshair;
  /* More visible tint so user knows they're in draw mode (TV-style blue veil) */
  background: rgba(79, 195, 247, 0.07);
  outline: 2px dashed rgba(79, 195, 247, 0.55);
  outline-offset: -6px;
  /* Prevent mobile touch from scrolling the chart underneath while we're
     listening for the single tap that places the position. */
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
}
#position-draw-overlay::after {
  content: "👆 Tap chart to place  ·  Esc to cancel";
  position: absolute;
  top: 12px; left: 50%;
  transform: translateX(-50%);
  background: var(--accent); color: #0D1B2A;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px; font-weight: 700;
  box-shadow: 0 4px 12px rgba(0,0,0,.4);
  pointer-events: none;
  letter-spacing: .3px;
}
/* DOM layer that holds the TV-style drag handles + labels for the selected position */
#position-handles {
  position: absolute; inset: 0;
  pointer-events: none;      /* handles themselves opt back in */
  z-index: 10;
}
.pos-handle {
  position: absolute;
  background: var(--accent);
  border: 2px solid #fff;
  border-radius: 2px;
  transform: translate(-50%, -50%);
  pointer-events: auto;
  z-index: 11;
  box-shadow: 0 1px 3px rgba(0,0,0,.4);
  /* Stop touch gestures on the handle from being interpreted as chart pan. */
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
}
.pos-handle.edge-mid   { cursor: move;        width: 14px; height: 14px; border-radius: 50%; }
.pos-handle.edge-top,
.pos-handle.edge-bot   { cursor: ns-resize;   width: 20px; height: 12px; }
.pos-handle.corner     { cursor: nwse-resize; width: 12px; height: 12px; }
.pos-handle:hover      { background: #fff; border-color: var(--accent); }

/* Invisible overlay that catches drags across the whole body of a selected
   position or drawing — lets the user grab the fill area and move both X+Y.
   Sits BELOW the visible handles (lower z-index) so corner handles always win
   when the finger is near the edge. */
.pos-body-drag {
  position: absolute;
  cursor: move;
  pointer-events: auto;
  background: transparent;
  z-index: 9;
  touch-action: none;
}

/* TradingView-style floating customize popup. Shown above the selected
   shape; follows during drag via JS. */
.customize-popup {
  position: absolute;
  z-index: 25;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 6px;
  background: rgba(21, 36, 54, 0.95);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .5);
  backdrop-filter: blur(4px);
  pointer-events: auto;
}
.customize-popup .cp-swatch {
  width: 22px; height: 22px;
  border-radius: 3px;
  border: 1px solid rgba(255,255,255,.3);
  cursor: pointer;
  padding: 0;
}
.customize-popup .cp-swatch:hover { border-color: #fff; }
.customize-popup .cp-width {
  width: 60px;
  height: 22px;
  margin: 0;
}
.customize-popup .cp-style {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 2px 4px;
  font-size: 11px;
  height: 22px;
}
.customize-popup .cp-delete {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--red);
  width: 24px; height: 22px;
  cursor: pointer;
  font-size: 12px;
  padding: 0;
}
.customize-popup .cp-delete:hover { background: rgba(244,67,54,.15); }

@media (hover: none) and (pointer: coarse) {
  /* Bigger touch targets for the customize popup on mobile */
  .customize-popup { padding: 6px 8px; gap: 6px; }
  .customize-popup .cp-swatch,
  .customize-popup .cp-delete,
  .customize-popup .cp-style { height: 30px; }
  .customize-popup .cp-swatch { width: 30px; }
  .customize-popup .cp-delete { width: 32px; }
  .customize-popup .cp-width  { width: 70px; height: 30px; }
}

/* On touch devices (no :hover), make handles MUCH bigger — fingers need a
   44px target to be reliable. The small visible dot is wrapped in a larger
   invisible hit area via ::before. */
@media (hover: none) and (pointer: coarse) {
  .pos-handle::before {
    content: "";
    position: absolute;
    inset: -14px;              /* +14px halo on every side = ~44px target */
    pointer-events: auto;
  }
  .pos-handle.edge-mid   { width: 20px; height: 20px; }
  .pos-handle.edge-top,
  .pos-handle.edge-bot   { width: 28px; height: 16px; }
  .pos-handle.corner     { width: 18px; height: 18px; }
}
/* Rounded-pill labels on the box (TV-style) */
.pos-label {
  position: absolute;
  background: var(--accent);
  color: #0D1B2A;
  font-family: 'JetBrains Mono', Consolas, monospace;
  font-size: 10px; font-weight: 700;
  padding: 2px 7px;
  border-radius: 10px;
  pointer-events: none;
  transform: translate(-50%, -50%);
  white-space: nowrap;
  box-shadow: 0 1px 3px rgba(0,0,0,.5);
  letter-spacing: .2px;
}
.pos-label.tp   { background: #26A69A; color: #fff; }
.pos-label.sl   { background: #EF5350; color: #fff; }
.pos-label.mid  { background: #2962FF; color: #fff; }
/* Selection rings */
.pos-handle.selected { background: var(--accent); border-color: #fff; box-shadow: 0 0 0 2px rgba(79,195,247,.4); }

/* ============================================================
   TV-style color palette popup
   ============================================================ */
/* Make the native color inputs render as small square swatches. We still
   use them for the underlying value; a JS handler intercepts clicks and
   opens our own palette popup instead of the OS colour dialog. */
.zone-colors label input[type="color"],
.modal-box     label input[type="color"] {
  -webkit-appearance: none;
  appearance: none;
  width: 22px; height: 22px;
  padding: 0;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 3px;
  cursor: pointer;
  background: transparent;    /* colour shows via ::-webkit-color-swatch */
}
.zone-colors label input[type="color"]::-webkit-color-swatch { border: none; border-radius: 2px; }
.zone-colors label input[type="color"]::-moz-color-swatch   { border: none; border-radius: 2px; }

.color-popup {
  position: fixed;
  z-index: 10001;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,.65), 0 0 0 1px rgba(255,255,255,.04) inset;
  user-select: none;
  width: 260px;
}
.palette-row {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 3px;
  margin-bottom: 3px;
}
.palette-row.recent { grid-template-columns: repeat(10, 1fr); margin-top: 6px; }
.swatch {
  width: 100%;
  aspect-ratio: 1 / 1;
  border: 1px solid rgba(0,0,0,.3);
  border-radius: 3px;
  cursor: pointer;
  padding: 0;
  transition: transform .08s ease, outline-color .08s;
  outline: 2px solid transparent;
  outline-offset: -1px;
}
.swatch:hover   { transform: scale(1.12); z-index: 2; }
.swatch.active  { outline-color: #fff; }
.swatch.add {
  background: var(--bg);
  color: var(--fg-dim);
  font-size: 14px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  border-color: var(--border);
}
.swatch.add:hover { color: var(--fg); border-color: var(--accent); }
.palette-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 8px 0 6px;
}
.palette-footer {
  display: flex; align-items: center; gap: 8px;
  padding-top: 6px;
  font-size: 11px; color: var(--fg-dim);
}
.palette-footer input[type="range"] { flex: 1; }
.palette-footer .opacity-val {
  font-family: 'JetBrains Mono', Consolas, monospace;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 3px;
  min-width: 42px; text-align: center;
  color: var(--fg);
}
/* Draw-mode status pill on the top bar */
.status.draw-mode {
  background: rgba(79, 195, 247, 0.15);
  color: var(--accent);
  border-color: var(--accent);
  animation: draw-pulse 1.2s ease-in-out infinite;
}
@keyframes draw-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(79,195,247,0); }
  50%      { box-shadow: 0 0 0 4px rgba(79,195,247,.15); }
}

/* ---------- Dashboard right panel ---------- */
.dash-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  font-size: 13px;
}
.dash-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
.dash-row .k { color: var(--fg-dim); font-size: 11px; text-transform: uppercase; letter-spacing: .5px; }
.dash-row .v { color: var(--fg); font-weight: 600; font-family: 'JetBrains Mono', Consolas, monospace; }
.dash-row .v.red     { color: var(--red); }
.dash-row .v.green   { color: var(--green); }
.dash-row .v.orange  { color: var(--orange); }
.dash-row .v.magenta { color: var(--magenta); }

/* ---------- Live order flow panel ---------- */
.orderflow {
  padding: 10px;
  background: rgba(79, 195, 247, 0.04);
  border: 1px solid var(--border);
  border-radius: 4px;
  margin-bottom: 12px;
}
.of-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px 8px;
  font-size: 12px;
  margin-bottom: 8px;
}
.of-grid .k { color: var(--fg-dim); font-size: 10px; text-transform: uppercase; letter-spacing: .5px; }
.of-grid .v { color: var(--fg); font-weight: 600; font-family: 'JetBrains Mono', Consolas, monospace; text-align: right; }
.of-grid .v.pos { color: var(--green); }
.of-grid .v.neg { color: var(--red); }
.of-grid .v.hot { color: var(--orange); }
.orderbook-view {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  font-size: 10px;
  font-family: 'JetBrains Mono', Consolas, monospace;
}
.ob-side { padding: 2px 0; }
.ob-side.ask { color: var(--red); text-align: right; }
.ob-side.bid { color: var(--green); text-align: left; }
.ob-row {
  display: flex;
  justify-content: space-between;
  gap: 6px;
  padding: 2px 4px;
  position: relative;
  overflow: hidden;
}
.ob-row .fill {
  position: absolute;
  top: 0; bottom: 0;
  opacity: 0.15;
}
.ob-row.ask .fill { right: 0; background: var(--red); }
.ob-row.bid .fill { left: 0;  background: var(--green); }
.ob-row .p, .ob-row .q { position: relative; z-index: 2; }
.ob-spread {
  grid-column: 1 / 3;
  text-align: center;
  padding: 3px 0;
  color: var(--fg-dim);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-3);
  font-size: 10px;
  font-family: 'JetBrains Mono', Consolas, monospace;
}

/* ---------- Zone list ---------- */
#zone-list {
  max-height: 35vh;
  overflow-y: auto;
  font-size: 12px;
}
.zone-row {
  display: grid;
  grid-template-columns: 22px 60px 1fr auto;
  gap: 6px;
  padding: 6px 4px;
  border-bottom: 1px solid var(--border);
  align-items: center;
  font-family: 'JetBrains Mono', Consolas, monospace;
}
.zone-row .dot {
  width: 10px; height: 10px; border-radius: 50%;
  margin: 0 auto;
}
.zone-row .price { color: var(--fg); font-weight: 600; }
.zone-row .meta  { color: var(--fg-dim); font-size: 10px; }
.zone-row .w     { color: var(--accent); font-weight: 600; }
.zone-row.mit    { opacity: 0.45; }
.zone-row.mit .price::after { content: " ×"; color: var(--dim); }

/* ---------- Scrollbars ---------- */
::-webkit-scrollbar      { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--fg-dim); }

/* ============================================================
   MOBILE / TOUCH (phones + small tablets)
   -----------------------------------------------------------
   The desktop layout is a fixed 3-column grid that collapses
   badly on narrow screens. On touch devices we:
     - Hide both panels by default so the chart is edge-to-edge
     - Make panels slide in as overlays when toggled (not push)
     - Add a dim backdrop that closes the panel on tap-outside
     - Scale header buttons up to a 44px touch target
     - Shrink the header's text/badges so brand+toggle+status fit
   ============================================================ */
@media (max-width: 820px) {
  /* Header: bigger buttons, smaller text, let content wrap */
  .topbar { height: auto; min-height: 48px; padding: 6px 10px; gap: 6px; flex-wrap: wrap; }
  .brand  { font-size: 13px; }
  .brand small { display: none; }
  .status { font-size: 10px; padding: 3px 6px; }
  .feed-badge { font-size: 10px; padding: 2px 6px; margin-left: 2px; }
  .toggle-pane { width: 40px; height: 40px; font-size: 14px; }

  /* MT5 banner: wrap + readable on narrow */
  .mt5-banner { flex-wrap: wrap; font-size: 11.5px; padding: 6px 10px; gap: 6px; }
  .mt5-banner .mt5-msg { flex: 1 1 100%; order: 2; font-size: 11px; }
  .mt5-banner a { font-size: 11px; padding: 3px 8px; }

  /* Layout: both panels become off-canvas overlays, chart full-width */
  .app {
    grid-template-columns: 1fr !important;   /* chart only */
    position: relative;
  }
  .left, .right {
    position: fixed;
    top: 48px; bottom: 0;
    width: min(300px, 88vw);
    z-index: 30;
    transform: translateX(0);
    transition: transform 0.22s ease;
    border: none;
    box-shadow: 0 0 24px rgba(0,0,0,0.6);
    padding: 12px 14px 24px;
  }
  .left  { left: 0;  border-right: 1px solid var(--border); }
  .right { right: 0; border-left:  1px solid var(--border); }

  /* On mobile the toggle classes INVERT: "collapsed" means the panel
     slides OFF-screen. We keep visibility visible so the slide-in works
     (the desktop visibility:hidden trick doesn't animate). */
  .app.hide-left  .left  { transform: translateX(-105%); visibility: visible; pointer-events: none; }
  .app.hide-right .right { transform: translateX(105%);  visibility: visible; pointer-events: none; }

  /* Backdrop — tap anywhere outside the open panel to close it */
  .app::after {
    content: '';
    position: fixed;
    top: 48px; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 25;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
  }
  .app:not(.hide-left)::after,
  .app:not(.hide-right)::after {
    opacity: 1;
    pointer-events: auto;
  }

  /* Chart head: compact + scrollable instead of overlapping on narrow */
  .chart-head {
    font-size: 11px !important;
    overflow-x: auto;
    white-space: nowrap;
    padding: 6px 10px !important;
  }

  /* Sidebar sections: tighter, bigger tap targets */
  section { margin-bottom: 14px; }
  section h3 { font-size: 10px; }
  label { font-size: 13px; margin-bottom: 10px; }
  .tf-group { gap: 4px; }
  .tf-group button {
    min-width: 42px; min-height: 36px;    /* touch target */
    font-size: 12px;
  }

  /* Dashboard: keep readable on narrow panel */
  .dash-grid { grid-template-columns: 1fr 1fr; font-size: 12px; }

  /* Zone list rows: fit in narrow right-panel */
  .zone-row { grid-template-columns: 18px 55px 1fr auto; font-size: 11px; padding: 5px 2px; }

  /* Bigger sliders — default range inputs are too thin for fingers */
  input[type="range"] { height: 28px; }
  input[type="range"]::-webkit-slider-thumb {
    width: 22px; height: 22px;
  }

  /* Combobox dropdown — fill more of the screen so touch targets land */
  .combo-list { max-height: 50vh; font-size: 14px; }
  .combo-item { padding: 10px; }
}

/* Extra-narrow phones (~360px wide) */
@media (max-width: 400px) {
  .left, .right { width: 92vw; }
  .brand        { font-size: 12px; }
  .feed-badge   { display: none; }       /* save header space; shown in panel */
}

/* ============================================================
   TV-style tools in header: Long / Short / Screenshot buttons
   ============================================================ */
.tv-tools {
  display: flex; gap: 6px; align-items: center;
  margin-left: 14px;
}
.tv-btn {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg-dim);
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all .12s ease;
  min-height: 28px;
  display: inline-flex; align-items: center; gap: 4px;
  letter-spacing: .3px;
}
.tv-btn:hover  { color: var(--fg); border-color: var(--accent); }
.tv-btn.long   { color: var(--green);   border-color: #2E7D32; }
.tv-btn.long:hover   { background: rgba(76,175,80,.15); }
.tv-btn.short  { color: var(--red);     border-color: #C62828; }
.tv-btn.short:hover  { background: rgba(244,67,54,.15); }

/* ============================================================
   Position modal (Long/Short dialog)
   ============================================================ */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.65);
  z-index: 10000;
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
}
.modal-box {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 20px;
  width: min(380px, 100%);
  box-shadow: 0 12px 40px rgba(0,0,0,.6);
  display: flex; flex-direction: column; gap: 10px;
  max-height: 90vh; overflow-y: auto;
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 4px;
}
.modal-head h3 {
  font-size: 15px; margin: 0; color: var(--fg); text-transform: none; letter-spacing: 0;
}
.modal-close {
  background: none; border: none; color: var(--fg-dim);
  font-size: 18px; cursor: pointer; padding: 2px 8px;
}
.modal-close:hover { color: var(--fg); }
.modal-box label {
  display: flex; flex-direction: column;
  font-size: 11px; color: var(--fg-dim);
  text-transform: uppercase; letter-spacing: .4px;
  margin-bottom: 2px;
}
.modal-box label input {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 6px 8px;
  border-radius: 4px;
  font-size: 13px;
  margin-top: 4px;
  font-variant-numeric: tabular-nums;
}
.modal-box label input[type="color"] {
  padding: 2px; height: 32px; cursor: pointer;
}
.pos-stats {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 6px 10px;
  margin: 6px 0;
  padding: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}
.pos-stats .k { color: var(--fg-dim); }
.pos-stats .v { text-align: right; color: var(--fg); font-weight: 600; }
.pos-stats .v.pos { color: var(--green); }
.pos-stats .v.neg { color: var(--red); }
.modal-btns {
  display: flex; gap: 8px; margin-top: 6px;
}
.modal-btns button {
  flex: 1;
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 9px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
}
.modal-btns button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #0D1B2A;
}
.modal-btns button:hover { filter: brightness(1.15); }

/* ============================================================
   Open-positions list (right sidebar)
   ============================================================ */
.positions { padding: 10px 14px; border-bottom: 1px solid var(--border); }
.positions h3 {
  font-size: 11px; color: var(--fg-dim); text-transform: uppercase;
  letter-spacing: .6px; margin: 0 0 8px;
}
.positions .section-hint {
  display: block; color: var(--fg-dim); font-size: 11px; line-height: 1.4;
  margin-bottom: 8px;
}
.pos-row {
  background: var(--bg);
  border: 1px solid var(--border);
  border-left-width: 4px;
  border-radius: 4px;
  padding: 8px 10px;
  margin-bottom: 6px;
  font-size: 12px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 8px;
  align-items: center;
  font-variant-numeric: tabular-nums;
}
.pos-row.long  { border-left-color: var(--green); }
.pos-row.short { border-left-color: var(--red); }
.pos-row .side {
  font-weight: 700; letter-spacing: .4px; font-size: 11px;
  padding: 1px 6px; border-radius: 3px;
}
.pos-row .side.long  { background: rgba(76,175,80,.2);  color: var(--green); }
.pos-row .side.short { background: rgba(244,67,54,.2);  color: var(--red); }
.pos-row .pnl.pos { color: var(--green); font-weight: 700; }
.pos-row .pnl.neg { color: var(--red);   font-weight: 700; }
.pos-row .levels { font-size: 11px; color: var(--fg-dim); grid-column: 1 / 3; }
.pos-row .levels b { color: var(--fg); font-weight: 600; }
.pos-row .rr { color: var(--accent); font-weight: 600; }
.pos-row .note { font-size: 11px; color: var(--fg-dim); font-style: italic; grid-column: 1 / 3; }
.pos-row .pos-close {
  background: transparent; border: 1px solid var(--border);
  color: var(--fg-dim); border-radius: 3px; padding: 2px 8px;
  cursor: pointer; font-size: 11px;
}
.pos-row .pos-close:hover { color: var(--red); border-color: var(--red); }

/* On mobile, shrink tv-tools so the header fits; drop the labels, keep icons */
@media (max-width: 820px) {
  .tv-tools { gap: 3px; margin-left: 6px; }
  .tv-btn { padding: 4px 7px; font-size: 11px; }
  .modal-box { padding: 14px; gap: 8px; }
}
@media (max-width: 400px) {
  .tv-btn.long::after,
  .tv-btn.short::after { content: none; }
  .tv-btn { padding: 4px 6px; }
}