:root {
  color-scheme: dark;
  --bg: #0d1117;
  --bg-soft: #111820;
  --panel: #151d27;
  --panel-strong: #1a2530;
  --text: #e6edf3;
  --muted: #8b98a5;
  --line: #26323e;
  --primary: #d7a447;
  --primary-strong: #f0bd5f;
  --primary-text: #101216;
  --buy: #2fae78;
  --sell: #d95f64;
  --blue: #4ea1d3;
  --radius: 8px;
  font-family: Inter, "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
}

body {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 100vh;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.topbar {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem clamp(1rem, 3vw, 2rem);
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: var(--primary);
  color: var(--primary-text);
  font-weight: 800;
}

.brand strong {
  display: block;
  letter-spacing: 0;
}

.brand small {
  display: block;
  color: var(--muted);
}

.topbar-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  white-space: nowrap;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--buy);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--buy) 18%, transparent);
}

.exchange {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: clamp(1rem, 3vw, 2rem);
  display: grid;
  gap: 1rem;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  border-bottom: 1px solid var(--line);
  padding-bottom: 1rem;
}

.metric {
  display: grid;
  gap: 0.2rem;
  min-width: 0;
  padding: 0 0.75rem;
  border-left: 1px solid var(--line);
}

.metric:first-child {
  border-left: 0;
  padding-left: 0;
}

.metric span,
.metric small,
.eyebrow,
.balances span,
label span,
.orderbook-row,
.trade-feed,
.agent-list {
  color: var(--muted);
}

.metric strong {
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}

.metric small {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mining-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(240px, 0.7fr) minmax(240px, 0.7fr);
  gap: 1rem;
}

.mining-chart-wrap {
  width: 100%;
  height: 260px;
}

#supplyChart {
  width: 100%;
  height: 100%;
  display: block;
}

.distribution-list {
  display: grid;
  gap: 0.8rem;
}

.distribution-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.6rem;
  align-items: center;
  min-width: 0;
}

.distribution-label {
  display: grid;
  gap: 0.3rem;
  min-width: 0;
}

.distribution-label strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  letter-spacing: 0;
}

.distribution-track {
  grid-column: 1 / -1;
  height: 8px;
  overflow: hidden;
  border-radius: 4px;
  background: var(--panel-strong);
}

.distribution-fill {
  height: 100%;
  border-radius: 4px;
  background: var(--primary);
}

.distribution-row[data-tone="blue"] .distribution-fill {
  background: var(--blue);
}

.distribution-row[data-tone="green"] .distribution-fill {
  background: var(--buy);
}

.distribution-row[data-tone="red"] .distribution-fill {
  background: var(--sell);
}

.distribution-value {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.market-grid,
.lower-grid {
  display: grid;
  gap: 1rem;
}

.market-grid {
  grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.7fr) minmax(280px, 0.8fr);
}

.lower-grid {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.7fr);
}

.column {
  min-width: 0;
  padding: 1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.panel-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.panel-heading h1,
.panel-heading h2 {
  margin: 0.1rem 0 0;
  letter-spacing: 0;
}

.panel-heading h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-variant-numeric: tabular-nums;
}

.panel-heading h2 {
  font-size: 1.25rem;
}

.eyebrow {
  font-size: 0.78rem;
}

.change {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.change.positive {
  color: var(--buy);
}

.change.negative {
  color: var(--sell);
}

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

.chart-wrap {
  width: 100%;
  height: 320px;
}

#priceChart {
  width: 100%;
  height: 100%;
  display: block;
}

.orderbook-table {
  display: grid;
  gap: 0;
  font-variant-numeric: tabular-nums;
}

.orderbook-row {
  display: grid;
  grid-template-columns: 1fr 1fr 0.65fr;
  gap: 0.5rem;
  min-height: 32px;
  align-items: center;
  border-top: 1px solid color-mix(in srgb, var(--line) 55%, transparent);
  font-size: 0.9rem;
}

.orderbook-row.header {
  border-top: 0;
  color: var(--muted);
}

.orderbook-row span:last-child {
  text-align: right;
}

.orderbook-row .buy {
  color: var(--buy);
}

.orderbook-row .sell {
  color: var(--sell);
}

.balances {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.balances div {
  display: grid;
  gap: 0.25rem;
}

.balances strong {
  font-size: 1.25rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}

.order-form {
  display: grid;
  gap: 0.8rem;
}

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 3px;
  background: var(--panel-strong);
  border-radius: var(--radius);
}

.segmented-button {
  min-height: 36px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
}

.segmented-button.active {
  background: var(--primary);
  color: var(--primary-text);
  font-weight: 700;
}

label {
  display: grid;
  gap: 0.35rem;
}

label span {
  font-size: 0.85rem;
}

input {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
  color: var(--text);
  padding: 0 0.7rem;
  font-variant-numeric: tabular-nums;
}

.button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 0.9rem;
  color: var(--text);
  background: var(--panel-strong);
  white-space: nowrap;
}

.button:hover {
  border-color: color-mix(in srgb, var(--text) 35%, var(--line));
}

.button.primary {
  border-color: var(--primary);
  background: var(--primary);
  color: var(--primary-text);
  font-weight: 700;
}

.button.primary:hover {
  background: var(--primary-strong);
}

.button.secondary {
  border-color: color-mix(in srgb, var(--blue) 70%, var(--line));
  color: var(--blue);
}

.button.ghost {
  background: transparent;
}

.button.block {
  width: 100%;
}

.icon-button {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
}

.trade-feed,
.agent-list {
  display: grid;
  gap: 0;
  max-height: 340px;
  overflow: auto;
}

.trade-row,
.agent-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: center;
  min-height: 40px;
  border-top: 1px solid color-mix(in srgb, var(--line) 55%, transparent);
  font-size: 0.9rem;
}

.trade-row {
  grid-template-columns: auto 1fr auto;
}

.trade-row time,
.agent-row small {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.agent-row strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.empty {
  color: var(--muted);
  padding: 0.8rem 0;
}

.footer {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem clamp(1rem, 3vw, 2rem);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

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

@media (max-width: 980px) {
  .metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .mining-grid {
    grid-template-columns: 1fr 1fr;
  }

  .growth-column {
    grid-column: 1 / -1;
  }

  .market-grid {
    grid-template-columns: 1fr 1fr;
  }

  .action-column {
    grid-column: 1 / -1;
  }

  .lower-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .metrics {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem 0;
  }

  .mining-grid {
    grid-template-columns: 1fr;
  }

  .growth-column {
    grid-column: auto;
  }

  .metric {
    padding: 0;
    border-left: 0;
  }

  .market-grid {
    grid-template-columns: 1fr;
  }

  .action-column {
    grid-column: auto;
  }

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

  .chart-wrap {
    height: 240px;
  }
}