/* ═══ Base ═══ */
:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-card: #1c2333;
  --border: #30363d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --green: #3fb950;
  --green-dim: #1a4d2e;
  --red: #f85149;
  --red-dim: #4d1a1a;
  --blue: #58a6ff;
  --orange: #d29922;
  --orange-dim: #4d3a0a;
  --purple: #bc8cff;
  --font-mono: 'Consolas', 'Monaco', 'Courier New', monospace;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
}

/* ═══ Header ═══ */
#header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.header-left h1 {
  font-size: 18px;
  font-weight: 600;
}

.header-center {
  display: flex;
  gap: 8px;
}

.header-right {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
  text-align: right;
  line-height: 1.4;
}
.balance-line { white-space: nowrap; }
.balance-label { color: var(--text-muted); margin-right: 4px; }
.balance-value { color: var(--text-primary); font-weight: 600; }
.balance-detail { color: var(--text-muted); font-size: 11px; margin-left: 8px; }
.balance-detail span { color: var(--text-secondary); font-weight: 600; }

/* ═══ History toolbar + strategy tags ═══ */
.trades-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  flex-wrap: wrap;
}
.trades-toolbar select { background: var(--bg-card); color: var(--text-primary); border: 1px solid var(--border); padding: 4px 8px; border-radius: 4px; font-family: inherit; }
.trades-counter { color: var(--text-muted); margin-left: auto; }
.btn-paging { padding: 4px 12px; background: var(--bg-card); color: var(--text-secondary); border: 1px solid var(--border); border-radius: 4px; cursor: pointer; font-family: var(--font-mono); font-size: 12px; }
.btn-paging:hover { background: var(--bg-secondary); color: var(--text-primary); }

.strat-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
}
.strat-tag.strat-midcrash   { background: #4d3a0a; color: #f97316; }
.strat-tag.strat-fundingArb { background: #2e1d4d; color: #bc8cff; }
.strat-tag.strat-hedge      { background: var(--bg-card); color: var(--text-muted); }

/* ═══ Dashboard summary (realized / unrealized / funding / fees / net) ═══ */
.section.summary { padding: 12px; }
.summary-windows {
  display: flex; gap: 6px; margin-bottom: 12px;
  font-family: var(--font-mono);
}
.summary-window {
  padding: 4px 12px;
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  font-size: 12px;
}
.summary-window:hover { background: var(--bg-secondary); color: var(--text-primary); }
.summary-window.active { background: var(--blue); color: var(--bg-primary); border-color: var(--blue); }

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}
.summary-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.summary-item.highlight { border-color: var(--blue); }
.summary-item .label { color: var(--text-muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }
.summary-item .value { font-size: 20px; font-weight: 700; font-family: var(--font-mono); }
.summary-item .sub { color: var(--text-muted); font-size: 11px; font-family: var(--font-mono); }

/* ═══ Symbol filter toolbar ═══ */
.symbol-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 12px;
  margin: 0 0 12px 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
}
.symbol-filter {
  padding: 6px 14px;
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  font-size: 12px;
}
.symbol-filter:hover { background: var(--bg-secondary); color: var(--text-primary); }
.symbol-filter.active { background: var(--blue); color: var(--bg-primary); border-color: var(--blue); }

/* ═══ Arbitrage card (FundingArb position) ═══ */
.arb-card-slot { padding: 12px; }
.arb-card-slot:empty { display: none; }
.position-card.card-arb {
  border-left: 4px solid #8b5cf6;
  background: var(--bg-card);
}
.direction-badge.arb {
  background: #2e1d4d;
  color: #bc8cff;
  border: 1px solid #8b5cf6;
}

/* ═══ Strategy strip (multi-strategy badges per symbol) ═══ */
.strategy-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12px;
}
.strategy-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
}
.strategy-badge .strat-name { font-weight: 700; color: var(--text-primary); }
.strategy-badge .strat-state { text-transform: uppercase; font-size: 11px; padding: 1px 6px; border-radius: 4px; }
.strategy-badge.running   { border-color: var(--green); }
.strategy-badge.running .strat-state { background: var(--green-dim); color: var(--green); }
.strategy-badge.idle      { opacity: 0.7; }
.strategy-badge.idle .strat-state { background: var(--bg-secondary); color: var(--text-muted); }
.strategy-badge.error     { border-color: var(--red); }
.strategy-badge.error .strat-state { background: var(--red-dim); color: var(--red); }
.strategy-badge.unsupported { opacity: 0.5; border-style: dashed; }
.strategy-badge.unsupported .strat-state { background: var(--bg-secondary); color: var(--text-muted); }
.strategy-badge .strat-detail { color: var(--text-secondary); font-size: 11px; }

/* ═══ Logs page (dedicated tab) ═══ */
.log-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 12px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12px;
}
.log-filters { display: flex; gap: 6px; }
.log-filter {
  padding: 4px 12px;
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  font-size: 12px;
}
.log-filter:hover { background: var(--bg-secondary); color: var(--text-primary); }
.log-filter.active { background: var(--blue); color: var(--bg-primary); border-color: var(--blue); }
.log-filter span { margin-left: 6px; opacity: 0.75; font-weight: 600; }
.btn-log-clear {
  padding: 4px 12px;
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  font-size: 12px;
}
.btn-log-clear:hover { background: var(--bg-secondary); color: var(--text-primary); }

/* Full-height log container on the dedicated page */
.log-container-full {
  height: calc(100vh - 200px);
  min-height: 400px;
  overflow-y: auto;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-top: none;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 12px;
}

/* Level filters: hide non-matching entries (kept in DOM) */
.log-container.filter-info  .log-entry:not(.info)  { display: none; }
.log-container.filter-warn  .log-entry:not(.warn)  { display: none; }
.log-container.filter-error .log-entry:not(.error) { display: none; }

/* ═══ Badges ═══ */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-demo {
  background: var(--orange-dim);
  color: var(--orange);
  border: 1px solid var(--orange);
}

.badge-live {
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid var(--green);
}

.badge-offline {
  background: var(--red-dim);
  color: var(--red);
  border: 1px solid var(--red);
}

.badge-online {
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid var(--green);
}

/* ═══ Navigation ═══ */
#nav {
  display: flex;
  gap: 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}

.nav-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 12px 20px;
  cursor: pointer;
  font-size: 14px;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.nav-btn:hover {
  color: var(--text-primary);
}

.nav-btn.active {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

/* ═══ Main ═══ */
#main {
  padding: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.page { display: none; }
.page.active { display: block; }

.section {
  margin-bottom: 20px;
}

/* ═══ Engine Status ═══ */
.engine-status {
  display: flex;
  align-items: center;
  gap: 12px;
}

.engine-state {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.engine-state.running {
  color: var(--green);
  border-color: var(--green);
  animation: pulse 2s infinite;
}

.engine-state.error {
  color: var(--red);
  border-color: var(--red);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.cycle-id {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

/* ═══ Controls ═══ */
.controls {
  display: flex;
  gap: 12px;
}

.btn {
  padding: 10px 24px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-start {
  background: var(--green);
  color: #000;
}

.btn-start:hover:not(:disabled) {
  background: #4cc764;
}

.btn-stop {
  background: var(--orange);
  color: #000;
}

.btn-stop:hover:not(:disabled) {
  background: #e0a82e;
}

.btn-emergency {
  background: var(--red);
  color: #fff;
}

.btn-emergency:hover:not(:disabled) {
  background: #ff6b63;
}

.btn-save {
  background: var(--blue);
  color: #000;
}

.btn-reset {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

/* ═══ Position Cards ═══ */
.positions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.position-card {
  background: var(--bg-card);
  border-radius: 8px;
  border: 1px solid var(--border);
  overflow: hidden;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.direction-badge {
  padding: 4px 12px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 13px;
}

.direction-badge.long {
  background: var(--green-dim);
  color: var(--green);
}

.direction-badge.short {
  background: var(--red-dim);
  color: var(--red);
}

.pos-state {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--purple);
}

.card-body {
  padding: 12px 16px;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  padding: 5px 0;
  border-bottom: 1px solid rgba(48, 54, 61, 0.4);
}

.stat-row.highlight {
  background: rgba(88, 166, 255, 0.05);
  margin: 0 -16px;
  padding: 5px 16px;
}

.stat-row .label {
  color: var(--text-secondary);
  font-size: 13px;
}

.stat-row .value {
  font-family: var(--font-mono);
  font-size: 13px;
}

.pnl-value.positive { color: var(--green); }
.pnl-value.negative { color: var(--red); }

/* Progress bar */
.progress-container {
  margin-top: 12px;
}

.progress-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.progress-bar {
  height: 6px;
  background: var(--bg-primary);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--blue);
  border-radius: 3px;
  width: 0%;
  transition: width 0.5s ease;
}

.progress-text {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

/* Legacy .summary styles removed — replaced by .section.summary + .summary-grid earlier in this file. */

/* ═══ Log Container ═══ */
.log-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  max-height: 300px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 12px;
}

.log-entry {
  padding: 2px 0;
  border-bottom: 1px solid rgba(48, 54, 61, 0.3);
}

.log-entry .log-time {
  color: var(--text-muted);
  margin-right: 8px;
}

.log-entry.info { color: var(--blue); }
.log-entry.warn { color: var(--orange); }
.log-entry.error { color: var(--red); }
.log-entry.debug { color: var(--text-muted); }

/* ═══ Config Form ═══ */
#page-config h2 {
  margin-bottom: 20px;
}

.form-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

.form-section h3 {
  font-size: 15px;
  margin-bottom: 12px;
  color: var(--blue);
}

.form-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.form-row label {
  min-width: 220px;
  font-size: 14px;
  color: var(--text-secondary);
}

.form-row input[type="text"],
.form-row input[type="number"],
.form-row select {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 14px;
  width: 160px;
}

.form-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--blue);
}

.form-row .hint {
  font-size: 12px;
  color: var(--text-muted);
}

.computed-value {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--green);
  font-weight: 600;
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.config-message {
  margin-top: 12px;
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 13px;
  display: none;
}

.config-message.success {
  display: block;
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid var(--green);
}

.config-message.error {
  display: block;
  background: var(--red-dim);
  color: var(--red);
  border: 1px solid var(--red);
}

/* ═══ History Table ═══ */
.table-container {
  overflow-x: auto;
  margin-bottom: 12px;
}

#trades-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

#trades-table th {
  background: var(--bg-secondary);
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

#trades-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
}

#trades-table .empty {
  text-align: center;
  color: var(--text-muted);
  padding: 24px;
}

/* ═══ Symbol Sections ═══ */
.symbol-section {
  margin-bottom: 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.symbol-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.symbol-name {
  font-weight: 700;
  font-size: 16px;
  color: var(--blue);
  font-family: var(--font-mono);
}

.symbol-section .positions-grid {
  margin-bottom: 0;
}

/* ═══ Symbol Tabs (config) ═══ */
.symbol-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
  flex-wrap: nowrap;
}
.symbol-tabs::-webkit-scrollbar {
  height: 4px;
}
.symbol-tabs::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

.symbol-tab {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 8px 16px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-mono);
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}

.symbol-tab:hover {
  color: var(--text-primary);
}

.symbol-tab.active {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.symbol-config-panel {
  display: none;
}

.symbol-config-panel.active {
  display: block;
}

/* ═══ Responsive ═══ */
@media (max-width: 768px) {
  .positions-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .form-row label {
    min-width: auto;
  }

}

/* ═══ Analytics ═══ */
.analytics-summary {
  display: flex;
  gap: 24px;
  padding: 16px;
  background: var(--bg-card);
  border-radius: 8px;
  border: 1px solid var(--border);
  flex-wrap: wrap;
}

#cycles-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

#cycles-table th {
  background: var(--bg-secondary);
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

#cycles-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12px;
}

#cycles-table tr:hover {
  background: rgba(88, 166, 255, 0.05);
}

#cycles-table .empty {
  text-align: center;
  color: var(--text-muted);
  padding: 24px;
}

.subsection {
  margin-bottom: 20px;
}

.subsection h4 {
  font-size: 14px;
  color: var(--blue);
  margin-bottom: 10px;
}

#pnl-chart,
#post-close-chart {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  max-width: 100%;
}

.btn-small {
  padding: 4px 10px;
  font-size: 11px;
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
}

.btn-small:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.param-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  font-family: var(--font-mono);
}

.param-table th {
  background: var(--bg-secondary);
  padding: 8px 10px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

.param-table td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
}

.param-table tr:hover {
  background: rgba(88, 166, 255, 0.05);
}