/* ─── Backtest Tab ─────────────────────────────────────────────────────────── */

/* ── Upload Zone ─────────────────────────────────────────────────────────── */
.bt-upload-zone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 48px 32px;
  text-align: center;
  cursor: pointer;
  transition: border-color .2s, background .2s;
  background: var(--card);
  position: relative;
}
.bt-upload-zone:hover,
.bt-upload-zone.dragover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 5%, var(--card));
}
.bt-upload-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  opacity: .6;
}
.bt-upload-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.bt-upload-sub {
  font-size: 11px;
  color: var(--dim);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.bt-upload-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}
.bt-file-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: color-mix(in srgb, var(--accent) 12%, var(--card));
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  margin-top: 12px;
}
.bt-file-chip button {
  background: none;
  border: none;
  color: var(--dim);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 0;
}
.bt-file-chip button:hover { color: var(--text); }

/* ── Action Bar ──────────────────────────────────────────────────────────── */
.bt-action-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.bt-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: opacity .2s, transform .1s;
}
.bt-btn:active  { transform: scale(.97); }
.bt-btn:disabled { opacity: .4; cursor: default; }
.bt-btn-primary {
  background: var(--accent);
  color: #fff;
}
.bt-btn-primary:hover:not(:disabled) { opacity: .88; }
.bt-btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}
.bt-btn-outline:hover:not(:disabled) {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}
.bt-warnings {
  font-size: 11px;
  color: var(--warn, #f59e0b);
  margin-top: 4px;
}

/* ── Summary Cards ───────────────────────────────────────────────────────── */
.bt-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}
.bt-stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.bt-stat-lbl {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 6px;
}
.bt-stat-val {
  font-size: 1.4rem;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text);
  line-height: 1;
}
.bt-stat-val.pos { color: var(--bull, #22c55e); }
.bt-stat-val.neg { color: var(--bear, #ef4444); }
.bt-stat-val.dim { color: var(--dim); }
.bt-stat-sub {
  font-size: 10px;
  color: var(--dimmer, var(--dim));
  margin-top: 4px;
}

/* ── Equity Curve (mini) ─────────────────────────────────────────────────── */
.bt-equity-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}
.bt-equity-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 12px;
}
#bt-equity-canvas {
  width: 100%;
  height: 120px;
  display: block;
}

/* ── TP Distribution Bar ─────────────────────────────────────────────────── */
.bt-tp-dist {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}
.bt-tp-dist-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 7px;
  font-size: 11px;
}
.bt-tp-label {
  width: 36px;
  font-weight: 700;
  color: var(--dim);
  font-family: 'JetBrains Mono', monospace;
}
.bt-tp-bar-track {
  flex: 1;
  background: var(--bg);
  border-radius: 4px;
  height: 8px;
  overflow: hidden;
}
.bt-tp-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width .5s ease;
}
.bt-tp-bar-fill.sl  { background: var(--bear, #ef4444); }
.bt-tp-bar-fill.tp1 { background: #3b82f6; }
.bt-tp-bar-fill.tp2 { background: #6366f1; }
.bt-tp-bar-fill.tp3 { background: #8b5cf6; }
.bt-tp-bar-fill.tp4 { background: #a855f7; }
.bt-tp-bar-fill.open { background: var(--dim); }
.bt-tp-count {
  width: 28px;
  text-align: right;
  color: var(--text);
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
}

/* ── Breakdown Tables ────────────────────────────────────────────────────── */
.bt-breakdown-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 14px;
}
.bt-breakdown-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.bt-breakdown-hdr {
  padding: 10px 14px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--dim);
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--border) 40%, var(--card));
}
.bt-breakdown-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}
.bt-breakdown-table th {
  padding: 7px 10px;
  text-align: right;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--dim);
  border-bottom: 1px solid var(--border);
}
.bt-breakdown-table th:first-child { text-align: left; }
.bt-breakdown-table td {
  padding: 7px 10px;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
  text-align: right;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text);
}
.bt-breakdown-table td:first-child {
  text-align: left;
  font-family: inherit;
  font-weight: 600;
  color: var(--text);
  max-width: 110px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.bt-breakdown-table tr:last-child td { border-bottom: none; }
.bt-breakdown-table tr:hover td {
  background: color-mix(in srgb, var(--accent) 5%, transparent);
}

/* ── Trade Table ─────────────────────────────────────────────────────────── */
.bt-trade-table-wrap {
  overflow-x: auto;
  border-radius: 10px;
  border: 1px solid var(--border);
}
.bt-trade-table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
  font-size: 11px;
}
.bt-trade-table thead th {
  padding: 9px 12px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--dim);
  background: color-mix(in srgb, var(--border) 60%, var(--card));
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}
.bt-trade-table tbody td {
  padding: 8px 12px;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
  color: var(--text);
  white-space: nowrap;
}
.bt-trade-table tbody tr:last-child td { border-bottom: none; }
.bt-trade-table tbody tr:hover td {
  background: color-mix(in srgb, var(--accent) 5%, transparent);
  cursor: pointer;
}
.bt-trade-table .mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
}
.bt-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.bt-badge.sl   { background: color-mix(in srgb,#ef4444 18%,transparent); color:#ef4444; }
.bt-badge.tp1  { background: color-mix(in srgb,#3b82f6 18%,transparent); color:#3b82f6; }
.bt-badge.tp2  { background: color-mix(in srgb,#6366f1 18%,transparent); color:#6366f1; }
.bt-badge.tp3  { background: color-mix(in srgb,#8b5cf6 18%,transparent); color:#8b5cf6; }
.bt-badge.tp4  { background: color-mix(in srgb,#a855f7 18%,transparent); color:#a855f7; }
.bt-badge.open { background: color-mix(in srgb,var(--dim) 18%,transparent); color:var(--dim); }
.bt-badge.pending { background: color-mix(in srgb,#f59e0b 18%,transparent); color:#f59e0b; }
.bt-badge.invalid { background: color-mix(in srgb,#6b7280 18%,transparent); color:#6b7280; }
.bt-badge.long  { background: color-mix(in srgb,#22c55e 15%,transparent); color:#22c55e; }
.bt-badge.short { background: color-mix(in srgb,#ef4444 15%,transparent); color:#ef4444; }
.bt-badge.high   { background: color-mix(in srgb,#22c55e 12%,transparent); color:#22c55e; }
.bt-badge.medium { background: color-mix(in srgb,#f59e0b 12%,transparent); color:#f59e0b; }
.bt-badge.low    { background: color-mix(in srgb,#6b7280 12%,transparent); color:#9ca3af; }

/* ── Trade Drill-Down Modal ───────────────────────────────────────────────── */
.bt-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.65);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.bt-modal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 100%;
  max-width: 680px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 24px 60px rgba(0,0,0,.45);
}
.bt-modal-hdr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--card);
  z-index: 1;
}
.bt-modal-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}
.bt-modal-close {
  background: none;
  border: none;
  color: var(--dim);
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
  padding: 0;
}
.bt-modal-close:hover { color: var(--text); }
.bt-modal-body { padding: 20px 22px; }

.bt-modal-meta {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}
.bt-modal-meta-item { }
.bt-modal-meta-lbl {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 3px;
}
.bt-modal-meta-val {
  font-size: 13px;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text);
}
.bt-verdict-section {
  margin-bottom: 14px;
}
.bt-verdict-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 8px;
}
.bt-verdict-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.bt-verdict-list li {
  font-size: 12px;
  color: var(--text);
  line-height: 1.5;
  padding: 5px 10px;
  background: color-mix(in srgb, var(--border) 40%, var(--card));
  border-radius: 6px;
}
.bt-improvements-list li {
  border-left: 2px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, var(--card));
  color: var(--text);
}

/* ── Loading / Empty States ──────────────────────────────────────────────── */
.bt-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  gap: 14px;
  color: var(--dim);
}
.bt-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: bt-spin .75s linear infinite;
}
@keyframes bt-spin { to { transform: rotate(360deg); } }

.bt-empty {
  text-align: center;
  padding: 48px 20px;
  color: var(--dim);
}
.bt-empty-icon { font-size: 2.4rem; margin-bottom: 10px; opacity: .5; }
.bt-empty-msg  { font-size: 13px; }

/* ── Section Separators ──────────────────────────────────────────────────── */
.bt-section {
  margin-bottom: 28px;
}
.bt-section-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.bt-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Progress bar for analysis ──────────────────────────────────────────── */
.bt-progress-wrap {
  background: var(--border);
  border-radius: 4px;
  height: 4px;
  overflow: hidden;
  margin-top: 8px;
}
.bt-progress-bar {
  height: 100%;
  border-radius: 4px;
  background: var(--accent);
  width: 0%;
  transition: width .3s ease;
  animation: bt-progress-pulse 1.5s ease-in-out infinite;
}
@keyframes bt-progress-pulse {
  0%,100% { opacity: 1; }
  50%      { opacity: .6; }
}

/* ── SIGNAL REPLAY: Sub-tab switcher ────────────────────────────────────── */
.rp-sub-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
  background: var(--bg1);
  padding: 0 20px;
}

.rp-sub-tab {
  padding: 11px 20px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--dim);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color .15s, border-color .15s;
  margin-bottom: -1px;
}
.rp-sub-tab:hover  { color: var(--text); }
.rp-sub-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.rp-sub-panel { }

/* ── REPLAY CONTROLS ─────────────────────────────────────────────────────── */
.rp-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px;
  margin-bottom: 16px;
}

.rp-control-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.rp-label {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--dim);
  text-transform: uppercase;
}

.rp-input,
.rp-select {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 12px;
  padding: 7px 10px;
  min-width: 130px;
  cursor: pointer;
}
.rp-input:focus, .rp-select:focus {
  outline: none;
  border-color: var(--accent);
}

/* ── REPLAY INFO BOX ─────────────────────────────────────────────────────── */
.rp-info-box {
  background: color-mix(in srgb, var(--accent) 5%, var(--card));
  border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--border));
  border-radius: 8px;
  padding: 14px 18px;
}
.rp-info-title {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.rp-info-body {
  font-size: 12px;
  color: var(--dim);
  line-height: 1.6;
}
.rp-info-body em { color: var(--text); font-style: normal; font-weight: 600; }

.rp-limitations {
  margin-top: 10px;
}
.rp-limit-note {
  font-size: 10px;
  color: var(--dim);
  opacity: .8;
  line-height: 1.7;
}
.rp-limit-note span { display: block; }

/* ── REPLAY PROGRESS ─────────────────────────────────────────────────────── */
.rp-progress-wrap {
  padding: 14px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 12px;
}
.rp-progress-msg {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
  margin-bottom: 8px;
}

/* ── VIEW MODE BAR ───────────────────────────────────────────────────────── */
.rp-view-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.rp-view-label {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--dim);
  text-transform: uppercase;
  white-space: nowrap;
}
.rp-view-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.rp-view-tab {
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.rp-view-tab:hover { border-color: var(--accent); color: var(--text); }
.rp-view-tab.active {
  background: color-mix(in srgb, var(--accent) 15%, var(--surface));
  border-color: var(--accent);
  color: var(--white);
}
.rp-view-count {
  background: var(--accent);
  color: var(--bg);
  border-radius: 10px;
  font-size: 9px;
  font-weight: 700;
  padding: 1px 5px;
}
.rp-summary-line {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
  margin-left: auto;
}

/* ── MODE BADGES in signal table ────────────────────────────────────────── */
.rp-mode-badge {
  display: inline-block;
  font-size: 10px;
  font-family: var(--mono);
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.rp-mode-scalp    { background: rgba(124,58,237,.15); color: #a78bfa; border: 1px solid rgba(124,58,237,.3); }
.rp-mode-intraday { background: rgba(8,145,178,.15);  color: #38bdf8; border: 1px solid rgba(8,145,178,.3); }
.rp-mode-swing    { background: rgba(34,197,94,.12);  color: #4ade80; border: 1px solid rgba(34,197,94,.25); }

/* ── LIMITATION LIST ─────────────────────────────────────────────────────── */
.rp-limit-list    { display: flex; flex-direction: column; gap: 4px; }
.rp-limit-item    { font-size: 12px; color: var(--dim); padding: 4px 8px;
                    background: var(--surface); border-radius: 4px;
                    border-left: 3px solid var(--border); }