/* =====================================================
   FX Demo Trader Pro - Professional Trading UI
   ===================================================== */

:root {
  /* Dark theme palette */
  --bg-primary:    #0d1117;
  --bg-secondary:  #161b22;
  --bg-tertiary:   #1c2128;
  --bg-panel:      #21262d;
  --bg-hover:      #30363d;
  --border:        #30363d;
  --border-light:  #3d444d;

  /* Text */
  --text-primary:  #e6edf3;
  --text-secondary:#8b949e;
  --text-muted:    #6e7681;

  /* Brand */
  --accent:        #2563eb;
  --accent-hover:  #1d4ed8;

  /* Trading colors */
  --color-buy:     #16a34a;
  --color-buy-bg:  rgba(22,163,74,0.12);
  --color-buy-hover:#15803d;
  --color-sell:    #dc2626;
  --color-sell-bg: rgba(220,38,38,0.12);
  --color-sell-hover:#b91c1c;
  --color-profit:  #22c55e;
  --color-loss:    #ef4444;
  --color-neutral: #94a3b8;

  /* Candlestick */
  --candle-up:     #26a69a;
  --candle-down:   #ef5350;

  /* Spacing */
  --header-h: 56px;
  --panel-pad: 12px;
  --radius:    6px;
  --radius-lg: 10px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  overflow: hidden;
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: 13px;
  background: var(--bg-primary);
  color: var(--text-primary);
}

/* =========== HEADER =========== */
#main-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 100;
  gap: 16px;
}

.header-left { display: flex; align-items: center; gap: 20px; }
.header-right { display: flex; align-items: center; gap: 12px; }

.logo {
  display: flex; align-items: center; gap: 8px;
  font-size: 16px; font-weight: 600; color: var(--text-primary);
  white-space: nowrap;
}
.logo i { color: var(--accent); font-size: 18px; }
.logo strong { color: var(--accent); }

.tab-nav { display: flex; gap: 4px; }
.tab-btn {
  background: none; border: none; cursor: pointer;
  padding: 6px 14px; border-radius: var(--radius);
  color: var(--text-secondary); font-size: 12.5px; font-weight: 500;
  display: flex; align-items: center; gap: 6px;
  transition: all .15s;
}
.tab-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.tab-btn.active { background: var(--accent); color: #fff; }

.account-info {
  display: flex; gap: 16px; align-items: center;
}
.account-item { display: flex; flex-direction: column; align-items: center; }
.account-item .label { font-size: 10px; color: var(--text-muted); }
.account-item .value {
  font-size: 13px; font-weight: 600; font-family: 'JetBrains Mono', monospace;
  color: var(--text-primary);
}
.account-item .value.profit { color: var(--color-profit); }
.account-item .value.loss   { color: var(--color-loss); }
.account-item .value.neutral{ color: var(--color-neutral); }

.header-controls { display: flex; align-items: center; gap: 10px; }

.market-status {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; color: var(--text-secondary);
}
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-neutral);
  animation: blink 2s infinite;
}
.status-dot.online { background: var(--color-profit); }
.status-dot.offline { background: var(--color-loss); animation: none; }
@keyframes blink {
  0%,100% { opacity: 1; } 50% { opacity: .4; }
}

/* =========== MAIN CONTENT =========== */
#main-content {
  margin-top: var(--header-h);
  height: calc(100vh - var(--header-h));
  overflow: hidden;
}

.tab-content { display: none; height: 100%; }
.tab-content.active { display: flex; flex-direction: column; }

/* =========== TRADE LAYOUT =========== */
.trade-layout {
  display: grid;
  grid-template-columns: 200px 1fr 280px;
  height: 100%;
  overflow: hidden;
}

/* =========== WATCHLIST =========== */
.watchlist-panel {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  overflow: hidden;
}

.panel-header {
  padding: 10px var(--panel-pad);
  border-bottom: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 8px;
}
.panel-header h3 {
  font-size: 12px; font-weight: 600; color: var(--text-secondary);
  display: flex; align-items: center; gap: 6px;
  text-transform: uppercase; letter-spacing: .5px;
}
.panel-header h3 i { color: var(--accent); }

.search-input {
  width: 100%; padding: 5px 8px;
  background: var(--bg-tertiary); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text-primary); font-size: 11px;
}
.search-input:focus { outline: none; border-color: var(--accent); }

.watchlist-items { flex: 1; overflow-y: auto; }
.watchlist-item {
  padding: 8px var(--panel-pad);
  cursor: pointer; border-bottom: 1px solid var(--border);
  transition: background .1s;
  display: grid; grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 2px 4px;
}
.watchlist-item:hover { background: var(--bg-hover); }
.watchlist-item.active { background: rgba(37,99,235,0.15); border-left: 3px solid var(--accent); }

.wl-pair-name { font-size: 12px; font-weight: 600; color: var(--text-primary); }
.wl-price {
  font-size: 12px; font-weight: 600; font-family: 'JetBrains Mono', monospace;
  text-align: right; color: var(--text-primary);
}
.wl-spread { font-size: 10px; color: var(--text-muted); }
.wl-change { font-size: 11px; text-align: right; font-family: 'JetBrains Mono', monospace; }
.wl-change.up   { color: var(--color-profit); }
.wl-change.down { color: var(--color-loss); }

/* =========== CHART SECTION =========== */
.chart-section {
  display: flex; flex-direction: column;
  background: var(--bg-primary); overflow: hidden; position: relative;
}

.chart-toolbar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 6px 12px;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  min-height: 44px;
}

.pair-info {
  display: flex; align-items: baseline; gap: 8px;
  margin-right: 8px;
}
.pair-name { font-size: 15px; font-weight: 700; color: var(--text-primary); }
.pair-price {
  font-size: 18px; font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-primary);
}
.pair-change { font-size: 12px; font-weight: 500; }
.pair-change.up   { color: var(--color-profit); }
.pair-change.down { color: var(--color-loss); }
.pair-change.neutral { color: var(--color-neutral); }

.timeframe-buttons { display: flex; gap: 3px; }
.tf-btn {
  background: none; border: 1px solid var(--border);
  color: var(--text-secondary); cursor: pointer;
  padding: 3px 8px; border-radius: 4px; font-size: 11px; font-weight: 500;
  transition: all .15s;
}
.tf-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.tf-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.chart-type-buttons { display: flex; gap: 3px; }
.chart-type-btn {
  background: none; border: 1px solid var(--border);
  color: var(--text-secondary); cursor: pointer;
  padding: 4px 8px; border-radius: 4px; font-size: 12px;
  transition: all .15s;
}
.chart-type-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.chart-type-btn.active { background: var(--bg-hover); color: var(--text-primary); border-color: var(--border-light); }

.drawing-tools { display: flex; gap: 3px; align-items: center; }
.draw-btn {
  background: none; border: 1px solid var(--border);
  color: var(--text-secondary); cursor: pointer;
  padding: 4px 8px; border-radius: 4px; font-size: 12px;
  transition: all .15s; display: flex; align-items: center; justify-content: center;
  min-width: 30px; height: 26px;
}
.draw-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.draw-btn.active { background: rgba(37,99,235,0.2); border-color: var(--accent); color: var(--accent); }

.indicator-buttons { display: flex; gap: 3px; margin-left: auto; }
.indicator-btn {
  background: none; border: 1px solid var(--border);
  color: var(--text-secondary); cursor: pointer;
  padding: 3px 8px; border-radius: 4px; font-size: 11px; font-weight: 600;
  transition: all .15s;
}
.indicator-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.indicator-btn.active { background: rgba(37,99,235,0.2); border-color: var(--accent); color: var(--accent); }

.chart-container {
  flex: 1; position: relative; overflow: hidden;
  cursor: crosshair;
}
#drawing-canvas {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none; z-index: 10;
}
#drawing-canvas.drawing-active { pointer-events: all; }

.rsi-container {
  height: 120px; background: var(--bg-secondary);
  border-top: 1px solid var(--border); position: relative;
}
.rsi-label {
  position: absolute; top: 4px; left: 8px;
  font-size: 10px; color: var(--text-muted); z-index: 5;
}
#rsi-chart { width: 100%; height: 100%; }

.chart-crosshair-info {
  position: absolute; bottom: 4px; left: 12px;
  font-size: 11px; color: var(--text-secondary); font-family: 'JetBrains Mono', monospace;
  pointer-events: none; z-index: 20;
  background: rgba(13,17,23,0.8); padding: 2px 6px; border-radius: 3px;
}

/* =========== ORDER PANEL =========== */
.order-panel {
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  overflow-y: auto; overflow-x: hidden;
}

.order-form { padding: var(--panel-pad); }

.order-pair-display {
  text-align: center; font-size: 16px; font-weight: 700;
  color: var(--text-primary); padding: 6px 0 10px;
}

.bid-ask-display {
  display: grid; grid-template-columns: 1fr auto 1fr;
  gap: 4px; margin-bottom: 12px;
}
.bid-box, .ask-box {
  padding: 8px; border-radius: var(--radius);
  text-align: center; cursor: pointer; transition: all .15s;
}
.bid-box { background: var(--color-sell-bg); border: 1px solid var(--color-sell); }
.ask-box { background: var(--color-buy-bg);  border: 1px solid var(--color-buy); }
.bid-box:hover { background: rgba(220,38,38,0.25); }
.ask-box:hover { background: rgba(22,163,74,0.25); }
.ba-label { font-size: 10px; color: var(--text-muted); }
.ba-price {
  font-size: 14px; font-weight: 700; font-family: 'JetBrains Mono', monospace;
  margin-top: 2px;
}
.bid-box .ba-price { color: var(--color-loss); }
.ask-box .ba-price { color: var(--color-profit); }
.spread-display {
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; color: var(--text-muted);
}

.order-type-tabs { display: flex; margin-bottom: 10px; gap: 2px; }
.order-type-btn {
  flex: 1; padding: 6px 4px; background: var(--bg-tertiary);
  border: 1px solid var(--border); cursor: pointer;
  color: var(--text-secondary); font-size: 11px; font-weight: 500;
  border-radius: var(--radius); transition: all .15s;
}
.order-type-btn.active {
  background: var(--accent); border-color: var(--accent); color: #fff;
}

.form-group { margin-bottom: 10px; }
.form-group label {
  display: block; font-size: 11px; color: var(--text-secondary);
  margin-bottom: 4px; font-weight: 500;
}
.form-input {
  width: 100%; padding: 6px 8px;
  background: var(--bg-tertiary); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text-primary); font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
}
.form-input:focus { outline: none; border-color: var(--accent); }

.lot-input-group {
  display: flex; gap: 4px; align-items: center; margin-bottom: 6px;
}
.lot-btn {
  width: 28px; height: 28px; background: var(--bg-tertiary);
  border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text-primary); cursor: pointer; font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s;
}
.lot-btn:hover { background: var(--bg-hover); }
.lot-input {
  flex: 1; padding: 5px 8px;
  background: var(--bg-tertiary); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text-primary);
  font-size: 13px; font-weight: 600; text-align: center;
  font-family: 'JetBrains Mono', monospace;
}
.lot-input:focus { outline: none; border-color: var(--accent); }
.lot-presets { display: flex; gap: 4px; }
.lot-preset {
  flex: 1; padding: 4px; background: var(--bg-tertiary);
  border: 1px solid var(--border); border-radius: 4px;
  color: var(--text-secondary); cursor: pointer; font-size: 11px;
  transition: all .15s;
}
.lot-preset:hover { background: var(--bg-hover); color: var(--text-primary); }

.margin-info {
  background: var(--bg-tertiary); border-radius: var(--radius);
  padding: 8px 10px; margin-bottom: 10px;
}
.margin-info-row {
  display: flex; justify-content: space-between;
  font-size: 11px; color: var(--text-secondary); padding: 2px 0;
}
.margin-info-row span:last-child {
  color: var(--text-primary); font-family: 'JetBrains Mono', monospace;
}

.order-buttons { display: flex; gap: 6px; }
.btn { 
  padding: 8px 14px; border: none; border-radius: var(--radius);
  cursor: pointer; font-size: 13px; font-weight: 600;
  display: flex; align-items: center; justify-content: center; gap: 6px;
  transition: all .15s; font-family: 'Inter', sans-serif;
}
.btn-buy {
  flex: 1; background: var(--color-buy); color: #fff;
  padding: 10px;
}
.btn-buy:hover { background: var(--color-buy-hover); }
.btn-sell {
  flex: 1; background: var(--color-sell); color: #fff;
  padding: 10px;
}
.btn-sell:hover { background: var(--color-sell-hover); }
.btn-danger { background: #7f1d1d; color: #fca5a5; }
.btn-danger:hover { background: var(--color-sell); color: #fff; }
.btn-warning { background: #78350f; color: #fcd34d; border: none; }
.btn-warning:hover { background: #92400e; }
.btn-secondary { background: var(--bg-hover); color: var(--text-secondary); border: none; }
.btn-secondary:hover { color: var(--text-primary); }
.btn-sm { font-size: 11px; padding: 5px 10px; }

/* =========== MINI POSITIONS =========== */
.positions-mini {
  flex: 1; display: flex; flex-direction: column;
  border-top: 1px solid var(--border); overflow: hidden;
}
.panel-header-mini {
  padding: 8px var(--panel-pad);
  display: flex; justify-content: space-between; align-items: center;
  border-bottom: 1px solid var(--border);
}
.panel-header-mini h4 {
  font-size: 11px; color: var(--text-secondary); font-weight: 600;
  display: flex; align-items: center; gap: 5px;
  text-transform: uppercase; letter-spacing: .5px;
}
.panel-header-mini h4 i { color: var(--accent); }

.badge {
  background: var(--accent); color: #fff;
  font-size: 10px; font-weight: 700; border-radius: 10px;
  padding: 1px 6px;
}

.mini-positions-list { flex: 1; overflow-y: auto; }
.no-positions {
  padding: 16px; text-align: center;
  font-size: 11px; color: var(--text-muted);
}

.mini-position-item {
  padding: 7px var(--panel-pad);
  border-bottom: 1px solid var(--border);
  display: grid; grid-template-columns: 1fr auto;
  gap: 2px 8px; font-size: 11px;
}
.mp-pair { font-weight: 600; color: var(--text-primary); }
.mp-side { font-weight: 700; font-size: 10px; padding: 1px 5px; border-radius: 3px; }
.mp-side.buy  { background: var(--color-buy-bg);  color: var(--color-profit); }
.mp-side.sell { background: var(--color-sell-bg); color: var(--color-loss); }
.mp-info { color: var(--text-muted); grid-column: 1; }
.mp-pnl { text-align: right; font-weight: 600; font-family: 'JetBrains Mono', monospace; }
.mp-pnl.profit { color: var(--color-profit); }
.mp-pnl.loss   { color: var(--color-loss); }
.mp-close-btn {
  grid-column: 2; grid-row: 1/3; align-self: center;
  background: none; border: 1px solid var(--border);
  color: var(--text-muted); border-radius: 4px;
  padding: 3px 6px; cursor: pointer; font-size: 11px;
  transition: all .15s;
}
.mp-close-btn:hover { border-color: var(--color-sell); color: var(--color-loss); }

.positions-total {
  padding: 8px var(--panel-pad);
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; background: var(--bg-tertiary);
}
.positions-total span:first-child { color: var(--text-secondary); font-weight: 500; }
#total-pnl-display { font-weight: 700; font-family: 'JetBrains Mono', monospace; }
#total-pnl-display.profit { color: var(--color-profit); }
#total-pnl-display.loss   { color: var(--color-loss); }
#total-pnl-display.neutral{ color: var(--color-neutral); }

/* =========== FULL PANEL (Positions/History) =========== */
.full-panel {
  display: flex; flex-direction: column;
  height: 100%; overflow: hidden; padding: 16px;
  gap: 12px;
}
.full-panel .panel-header {
  flex-direction: row; justify-content: space-between; align-items: center;
  padding: 0 0 12px; border-bottom: 1px solid var(--border);
  border-bottom-width: 1px;
}
.full-panel .panel-header h3 {
  font-size: 14px; color: var(--text-primary); text-transform: none; letter-spacing: 0;
}
.panel-actions { display: flex; align-items: center; gap: 12px; }

.positions-summary {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.summary-card {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 12px 16px;
}
.summary-label { font-size: 11px; color: var(--text-muted); margin-bottom: 4px; }
.summary-value {
  font-size: 18px; font-weight: 700; font-family: 'JetBrains Mono', monospace;
  color: var(--text-primary);
}

.table-container { flex: 1; overflow: auto; }
.trading-table {
  width: 100%; border-collapse: collapse;
  font-size: 12px;
}
.trading-table th {
  background: var(--bg-secondary); color: var(--text-secondary);
  padding: 8px 10px; text-align: left; font-weight: 600;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 5;
  white-space: nowrap;
}
.trading-table td {
  padding: 8px 10px; border-bottom: 1px solid var(--border);
  color: var(--text-primary); white-space: nowrap;
}
.trading-table tr:hover td { background: var(--bg-hover); }
.trading-table td.no-data {
  text-align: center; color: var(--text-muted); padding: 24px;
}

.side-badge {
  display: inline-block; font-size: 10px; font-weight: 700;
  padding: 2px 6px; border-radius: 3px;
}
.side-badge.buy  { background: var(--color-buy-bg);  color: var(--color-profit); }
.side-badge.sell { background: var(--color-sell-bg); color: var(--color-loss); }

.pnl-cell { font-weight: 600; font-family: 'JetBrains Mono', monospace; }
.pnl-cell.profit { color: var(--color-profit); }
.pnl-cell.loss   { color: var(--color-loss); }

.close-pos-btn {
  background: var(--bg-hover); border: 1px solid var(--border);
  color: var(--text-secondary); padding: 3px 8px; border-radius: 4px;
  cursor: pointer; font-size: 11px; transition: all .15s;
}
.close-pos-btn:hover { border-color: var(--color-sell); color: var(--color-loss); }

/* History */
.history-stats {
  display: flex; gap: 16px; font-size: 12px; color: var(--text-secondary);
}
.stat-item strong { color: var(--text-primary); }

.pnl-chart-container {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 12px; height: 180px;
}

/* =========== TOAST =========== */
.toast-container {
  position: fixed; bottom: 20px; right: 20px;
  display: flex; flex-direction: column; gap: 8px; z-index: 1000;
}
.toast {
  padding: 10px 16px; border-radius: var(--radius);
  font-size: 12px; font-weight: 500;
  display: flex; align-items: center; gap: 8px;
  animation: toast-in .2s ease; box-shadow: 0 4px 12px rgba(0,0,0,.5);
  max-width: 300px;
}
.toast.success { background: #14532d; border: 1px solid var(--color-profit); color: #86efac; }
.toast.error   { background: #7f1d1d; border: 1px solid var(--color-loss);   color: #fca5a5; }
.toast.info    { background: #1e3a5f; border: 1px solid var(--accent);       color: #93c5fd; }
.toast.warning { background: #78350f; border: 1px solid #f59e0b;             color: #fcd34d; }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =========== MODAL =========== */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 500;
}
.modal-box {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px;
  min-width: 300px; box-shadow: 0 8px 32px rgba(0,0,0,.6);
}
.modal-box h4 {
  font-size: 15px; margin-bottom: 10px; color: var(--text-primary);
}
.modal-box p {
  font-size: 13px; color: var(--text-secondary); margin-bottom: 20px;
}
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }

/* =========== SCROLLBARS =========== */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* =========== RESPONSIVE =========== */
@media (max-width: 1200px) {
  .trade-layout { grid-template-columns: 160px 1fr 260px; }
}
@media (max-width: 900px) {
  .trade-layout { grid-template-columns: 1fr 240px; }
  .watchlist-panel { display: none; }
  .account-info { gap: 8px; }
  .positions-summary { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .trade-layout { grid-template-columns: 1fr; grid-template-rows: 1fr auto; }
  .order-panel { display: none; }
  .header-controls { display: none; }
}

/* Price flash animations */
@keyframes flash-up {
  from { background: rgba(22,163,74,0.3); }
  to   { background: transparent; }
}
@keyframes flash-down {
  from { background: rgba(220,38,38,0.3); }
  to   { background: transparent; }
}
.flash-up   { animation: flash-up   .4s ease; }
.flash-down { animation: flash-down .4s ease; }

/* Number inputs */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
  -webkit-appearance: none; margin: 0;
}
input[type=number] { -moz-appearance: textfield; }