/* ============================================================
   strategies.css  —  Strategy Replay & Backtesting UI
   ============================================================ */

/* ── Strategy cards ── */
.strat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 16px;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.12s;
  position: relative;
}
.strat-card:hover {
  border-color: var(--border2);
  transform: translateY(-1px);
}
.strat-card.selected {
  border-width: 2px;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.3);
}
.strat-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 10px;
  flex-shrink: 0;
}
.strat-category-badge {
  font-size: 9.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 3px;
}

/* ── Strategy params inline editor ── */
.param-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: 10px;
}
.param-cell {
  background: var(--bg3);
  border-radius: 6px;
  padding: 5px 8px;
  cursor: default;
}
.param-cell label {
  font-size: 9.5px;
  color: var(--text3);
  display: block;
  margin-bottom: 2px;
  cursor: default;
}
.param-cell input {
  background: transparent;
  border: none;
  color: var(--text);
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 700;
  width: 100%;
  outline: none;
  cursor: text;
}
.param-cell input:focus {
  color: var(--cyan);
}

/* ── Replay canvas container ── */
.replay-canvas-wrap {
  position: relative;
  background: var(--bg);
  border-radius: 9px;
  border: 1px solid var(--border);
  overflow: hidden;
  user-select: none;
}
#replayCanvas {
  display: block;
  width: 100%;
  height: 400px;
  cursor: crosshair;
}

/* ── Replay controls bar ── */
.replay-controls {
  display: flex;
  gap: 7px;
  align-items: center;
  flex-wrap: wrap;
  padding: 8px 0 4px;
}
.replay-controls .speed-select {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 4px 8px;
  font-size: 11.5px;
  font-family: inherit;
  cursor: pointer;
}
.replay-slider-wrap {
  padding: 4px 0 0;
}
.replay-slider-wrap input[type=range] {
  width: 100%;
  height: 3px;
  accent-color: #3B82F6;
  cursor: pointer;
}
.replay-time-labels {
  display: flex;
  justify-content: space-between;
  font-size: 9.5px;
  color: var(--text3);
  margin-top: 3px;
  font-family: var(--mono);
}

/* ── Backtest KPI strip ── */
.bt-kpi-strip {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 8px;
  margin-bottom: 13px;
}
.bt-kpi {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 10px 12px;
}
.bt-kpi-label {
  font-size: 9px;
  color: var(--text3);
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.bt-kpi-val {
  font-size: 16px;
  font-weight: 800;
  font-family: var(--mono);
  line-height: 1;
}

/* ── Trade list table ── */
.bt-trade-row {
  cursor: pointer;
  transition: background 0.08s;
}
.bt-trade-row:hover { background: var(--bg3); }
.bt-trade-row.highlight { background: rgba(59,130,246,0.08); }

/* ── Builder form ── */
.condition-row {
  display: flex;
  gap: 7px;
  align-items: center;
  padding: 8px 10px;
  background: var(--bg3);
  border-radius: 8px;
  border: 1px solid var(--border);
  margin-bottom: 7px;
  flex-wrap: wrap;
}
.condition-row select,
.condition-row input[type=number] {
  background: var(--bg4);
  border: 1px solid var(--border2);
  border-radius: 6px;
  color: var(--text);
  padding: 5px 8px;
  font-size: 12px;
  font-family: inherit;
  transition: border-color 0.1s;
}
.condition-row select:focus,
.condition-row input:focus {
  outline: none;
  border-color: var(--cyan);
}
.condition-operator {
  font-size: 11px;
  color: var(--text3);
  padding: 0 2px;
  white-space: nowrap;
}

/* ── Strategy code preview ── */
.strategy-code {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.8;
  color: var(--text2);
}
.strategy-code .comment { color: var(--text3); }
.strategy-code .keyword { color: var(--cyan); }
.strategy-code .value   { color: var(--blue); }
.strategy-code .indent  { padding-left: 14px; }

/* ── Indicator legend ── */
.ind-legend {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 11px;
  color: var(--text3);
  margin-top: 8px;
}
.ind-legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
}
.ind-legend-line {
  width: 20px;
  height: 2px;
  border-radius: 1px;
  display: inline-block;
  flex-shrink: 0;
}

/* ── Config bar ── */
.strat-config-bar {
  display: flex;
  gap: 9px;
  align-items: flex-end;
  padding: 12px 14px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.strat-config-bar .form-group {
  margin: 0;
}
.strat-config-bar label {
  font-size: 9.5px;
  color: var(--text3);
  display: block;
  margin-bottom: 2px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.strat-config-bar select {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  padding: 6px 9px;
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
}
.strat-config-bar select:focus {
  outline: none;
  border-color: var(--cyan);
}

/* ── Results layout ── */
.bt-results-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 12px;
}

/* ── OHLCV candle colours ── */
.candle-bull { fill: var(--cyan); }
.candle-bear { fill: var(--red); }

/* ── Empty state ── */
.strat-empty {
  text-align: center;
  padding: 60px 24px;
  color: var(--text3);
}
.strat-empty .empty-icon {
  font-size: 40px;
  margin-bottom: 12px;
}
.strat-empty .empty-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text2);
  margin-bottom: 6px;
}
.strat-empty .empty-sub {
  font-size: 13px;
  color: var(--text3);
  line-height: 1.6;
  margin-bottom: 18px;
}

/* ── Tab navigation for strategy page ── */
.strat-tab-bar {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 9px;
  overflow: hidden;
  background: var(--bg2);
}
.strat-tab-btn {
  flex: 1;
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text2);
  background: none;
  border: none;
  border-right: 1px solid var(--border);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.1s;
  white-space: nowrap;
  text-align: center;
}
.strat-tab-btn:last-child { border-right: none; }
.strat-tab-btn:hover { background: var(--bg3); color: var(--text); }
.strat-tab-btn.active { background: linear-gradient(90deg,#3B82F6,#8B5CF6); color: #fff; font-weight: 700; }

/* ── Room items (for chat, used in strategy too) ── */
.room-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  transition: background 0.08s;
}
.room-item:hover { background: var(--bg3); }
.room-item.on {
  background: rgba(34,197,94,0.07);
  border-left: 2px solid var(--cyan);
}

/* ── Responsive ── */
@media (max-width: 1200px) {
  .bt-kpi-strip { grid-template-columns: repeat(4, 1fr); }
  .bt-results-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .bt-kpi-strip { grid-template-columns: repeat(2, 1fr); }
  #replayCanvas { height: 260px; }
  .param-grid { grid-template-columns: 1fr; }
}