:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #11161d;
  --border: #2a3441;
  --text: #e6edf3;
  --muted: #93a1b1;
  --green: #2fbf71;
  --red: #f85149;
  --amber: #d29922;
  --blue: #58a6ff;
  --chip: #1e2630;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

.page {
  width: min(1480px, calc(100% - 24px));
  margin: 0 auto;
  padding: 16px 0 32px;
}

.topbar,
.statusbar,
.toolbar,
.exchange-bar,
.summary-grid,
.tabs-shell,
.table-wrap,
.errors {
  margin-bottom: 12px;
}

.topbar,
.statusbar,
.toolbar,
.exchange-bar,
.tabs-shell,
.table-wrap,
.errors,
.summary-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
}

.topbar h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
}

.subtitle {
  margin: 4px 0 0;
  color: var(--muted);
}

.button {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
}

.button:disabled {
  opacity: 0.6;
  cursor: progress;
}

.statusbar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  overflow: hidden;
}

.status-item {
  padding: 12px 16px;
  border-right: 1px solid var(--border);
}

.status-item:last-child {
  border-right: 0;
}

.status-label,
.summary-label,
.field span,
.exchange-title,
.table-header span {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(180px, 0.5fr));
  gap: 12px;
  padding: 12px;
}

.field {
  display: grid;
  gap: 6px;
}

.field input,
.field select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--text);
}

.field input[type="range"] {
  padding: 0;
  accent-color: var(--blue);
}

.range-value {
  font-size: 12px;
  color: var(--text);
}

.exchange-bar {
  padding: 12px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.chip {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--chip);
  color: var(--text);
  cursor: pointer;
  font-size: 12px;
}

.chip.active {
  background: var(--blue);
  border-color: var(--blue);
  color: #0d1117;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

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

.summary-card strong {
  display: block;
  margin-top: 6px;
  font-size: 18px;
}

.summary-meta {
  display: block;
  margin-top: 4px;
  color: var(--muted);
}

.tabs-shell {
  overflow: hidden;
}

.tabs-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(88, 166, 255, 0.08), transparent);
}

.tab-button {
  padding: 9px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--chip);
  color: var(--text);
  cursor: pointer;
  font: inherit;
}

.tab-button.active {
  background: var(--blue);
  border-color: var(--blue);
  color: #0d1117;
}

.tab-panel {
  border: 0;
  border-radius: 0;
  margin-bottom: 0;
}

.tab-panel[hidden] {
  display: none;
}

.tab-panel + .tab-panel {
  border-top: 1px solid var(--border);
}

.table-wrap,
.errors {
  overflow: hidden;
}

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

.option-filter-bar {
  display: grid;
  gap: 12px;
  padding: 10px 16px 12px;
  border-bottom: 1px solid var(--border);
}

.option-filter-group {
  min-width: 0;
}

.option-filter-title {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.option-filter-bar .chips {
  margin-top: 8px;
}

.table-scroll {
  overflow: auto;
}

table {
  width: 100%;
  min-width: 1120px;
  border-collapse: collapse;
}

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid #202833;
  text-align: left;
  white-space: nowrap;
}

thead th {
  position: sticky;
  top: 0;
  background: var(--panel);
  z-index: 1;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
}

.sort-button {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-transform: inherit;
  cursor: pointer;
}

.sort-button.active {
  color: var(--blue);
}

tbody tr:hover {
  background: #11161d;
}

.mono {
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 12px;
}

.positive {
  color: var(--green);
}

.negative {
  color: var(--red);
}

.neutral {
  color: var(--muted);
}

.pill {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  background: #1b2430;
  border: 1px solid var(--border);
  font-size: 12px;
}

.subtle {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.strategy-cell {
  line-height: 1.35;
}

.arb-table td {
  vertical-align: top;
}

.arb-table tbody tr {
  cursor: default;
}

.error-list {
  display: grid;
}

.error-item {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
}

.error-item:first-child {
  border-top: 0;
}

.error-title {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 4px;
}

.error-exchange {
  color: var(--amber);
  font-weight: 700;
  text-transform: uppercase;
}

.muted {
  color: var(--muted);
}

.empty {
  padding: 20px 16px;
  color: var(--muted);
}

tbody tr {
  cursor: pointer;
}

.history-dialog {
  width: min(920px, calc(100vw - 24px));
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  color: var(--text);
}

.history-dialog::backdrop {
  background: rgba(0, 0, 0, 0.6);
}

.history-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}

.history-status {
  padding: 12px 16px 0;
}

.history-chart {
  padding: 12px 16px;
  min-height: 180px;
}

.history-chart svg {
  width: 100%;
  height: 180px;
  display: block;
}

.history-chart-empty {
  padding: 16px 0;
}

.history-table-wrap {
  max-height: 360px;
  overflow: auto;
  border-top: 1px solid var(--border);
}

@media (max-width: 960px) {
  .statusbar,
  .toolbar,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .status-item {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .status-item:last-child {
    border-bottom: 0;
  }

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