:root {
  color-scheme: dark;
  --font-sans: "IBM Plex Sans", ui-sans-serif, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --bg-0: #0a0c10;
  --bg-1: #10131a;
  --bg-2: #181c25;
  --bg-3: #1f2430;
  --bg-hover: #232938;
  --line: #2a3142;
  --line-soft: #1c2030;
  --line-strong: #3d4658;

  --fg-0: #f0f3f6;
  --fg-1: #b0b8c4;
  --fg-2: #6b7484;
  --fg-3: #454e5e;
  --fg-4: #2a3140;

  --accent: #faff00;
  --accent-dim: #b8be00;
  --jade: #00e676;
  --jade-bg: rgba(0, 230, 118, 0.10);
  --jade-line: rgba(0, 230, 118, 0.36);
  --amber: #faff00;
  --amber-bg: rgba(250, 255, 0, 0.09);
  --amber-line: rgba(250, 255, 0, 0.32);
  --copper: #ff8a3d;
  --copper-bg: rgba(255, 138, 61, 0.10);
  --copper-line: rgba(255, 138, 61, 0.34);
  --crimson: #ff3d3d;
  --crimson-bg: rgba(255, 61, 61, 0.10);
  --crimson-line: rgba(255, 61, 61, 0.36);
  --bid: #00e676;
  --ask: #ff5b5b;

  --radius: 4px;
  --radius-lg: 8px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  min-height: 100vh;
}

body {
  background: var(--bg-0);
  color: var(--fg-0);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.4;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
}

button {
  font: inherit;
  cursor: pointer;
}

button:disabled {
  cursor: progress;
}

.shell {
  width: min(1440px, calc(100vw - 48px));
  margin: 0 auto;
  padding: 0 0 80px;
}

.mono,
.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.masthead {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 60px;
  padding: 18px 0 16px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  min-width: 220px;
  gap: 12px;
}

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--bg-2);
}

.brand-mark::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 18px var(--accent), 0 0 6px var(--accent);
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  opacity: 0.55;
}

.brand-name {
  color: var(--fg-0);
  font-size: 13px;
  font-weight: 600;
}

.brand-sub {
  color: var(--fg-2);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.mast-meta {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 18px;
  margin-left: auto;
  color: var(--fg-2);
  font-size: 12px;
}

.mast-meta-item {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 6px;
}

.mast-meta-label {
  color: var(--fg-3);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mast-meta-val {
  max-width: 280px;
  overflow: hidden;
  color: var(--fg-1);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mast-meta-divider {
  width: 1px;
  height: 18px;
  background: var(--line);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 34px;
  min-width: 112px;
  padding: 0 14px 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--bg-2);
  color: var(--fg-0);
  font-size: 12px;
  font-weight: 500;
  transition: background 80ms linear, border-color 80ms linear, opacity 80ms linear;
}

.btn:hover {
  border-color: var(--fg-3);
  background: var(--bg-hover);
}

.btn:disabled {
  opacity: 0.56;
}

.btn-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--bg-0);
  font-weight: 600;
}

.btn-primary:hover {
  border-color: var(--accent-dim);
  background: var(--accent-dim);
}

.btn-icon {
  width: 14px;
  height: 14px;
}

.btn-icon.spin {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.copy-btn {
  min-width: 34px;
  padding: 2px 4px;
  border: 0;
  border-radius: 3px;
  background: transparent;
  color: var(--fg-3);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.copy-btn:hover {
  background: var(--bg-2);
  color: var(--fg-1);
}

.copy-btn.copied {
  color: var(--jade);
}

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

.metric {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px 18px;
  border-right: 1px solid var(--line-soft);
}

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

.metric:last-child {
  padding-right: 0;
  border-right: 0;
}

.metric-label {
  color: var(--fg-3);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.metric-val {
  overflow: hidden;
  color: var(--fg-0);
  font-family: var(--font-mono);
  font-size: 20px;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metric-val span {
  color: var(--fg-3);
  font-size: 14px;
}

.metric-val.dim {
  color: var(--fg-2);
}

.metric-val.good {
  color: var(--jade);
}

.metric-val.warn {
  color: var(--copper);
}

.metric-val.bad {
  color: var(--crimson);
}

.metric-val.muted {
  color: var(--fg-3);
  font-size: 16px;
}

.metric-time {
  font-size: 16px;
}

.metric-sub {
  overflow: hidden;
  color: var(--fg-3);
  font-family: var(--font-mono);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metric-flash {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 1px;
  background: var(--accent);
  opacity: 0;
}

.metric-flash.on {
  animation: flash 1.4s ease-out;
}

@keyframes flash {
  0% {
    opacity: 1;
  }

  100% {
    opacity: 0;
  }
}

.row-shimmer {
  display: inline-block;
  width: 64px;
  height: 11px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--bg-2) 0%, var(--bg-3) 50%, var(--bg-2) 100%);
  background-size: 200% 100%;
  vertical-align: middle;
  animation: shimmer 1.4s linear infinite;
}

.row-shimmer.short {
  width: 32px;
}

@keyframes shimmer {
  from {
    background-position: 200% 0;
  }

  to {
    background-position: -200% 0;
  }
}

.ob-wrap {
  padding: 18px 0 40px;
}

.refresh-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 12px 0 14px;
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--bg-2);
  color: var(--fg-1);
  font-size: 12px;
}

.refresh-banner .spinner-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
  animation: pulse 1s ease-in-out infinite;
}

.refresh-banner .progress {
  margin-left: auto;
  color: var(--fg-3);
  font-family: var(--font-mono);
  font-size: 11px;
}

.board-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 0 14px;
}

.board-title {
  color: var(--fg-2);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--fg-2);
  font-size: 11px;
}

.legend-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
}

.legend-dot.quoting {
  background: var(--jade);
}

.legend-dot.silent {
  background: var(--amber);
}

.legend-dot.degraded {
  background: var(--copper);
}

.legend-dot.error {
  background: var(--crimson);
}

.probe-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0 0 12px;
  padding: 9px 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--bg-1);
  color: var(--fg-3);
  font-family: var(--font-mono);
  font-size: 10.5px;
}

.probe-strip b {
  color: var(--fg-1);
  font-weight: 500;
}

.markets-list {
  min-height: 180px;
}

.ob-market {
  overflow: hidden;
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-1);
  transition: border-color 100ms linear;
}

.ob-market:hover {
  border-color: var(--line-strong);
}

.ob-market.s-error {
  background: linear-gradient(180deg, var(--crimson-bg) 0%, var(--bg-1) 60%);
}

.ob-header {
  display: grid;
  grid-template-columns:
    minmax(200px, 1.25fr)
    minmax(88px, 0.62fr)
    minmax(94px, 0.68fr)
    minmax(94px, 0.68fr)
    minmax(94px, 0.68fr)
    minmax(94px, 0.68fr)
    minmax(94px, 0.68fr)
    minmax(116px, 0.54fr);
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 12px 18px;
  border: 0;
  border-bottom: 1px solid var(--line-soft);
  background: var(--bg-2);
  color: var(--fg-0);
  text-align: left;
  transition: background 80ms linear;
}

.ob-header[aria-disabled="false"]:hover {
  background: var(--bg-hover);
}

.ob-header[aria-disabled="true"] {
  cursor: default;
}

.ob-h-sym {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 3px;
}

.ob-h-sym-top {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 8px;
}

.ob-h-sym-name {
  overflow: hidden;
  color: var(--fg-0);
  font-size: 14px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ob-h-sym-id {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 4px;
  color: var(--fg-3);
  font-family: var(--font-mono);
  font-size: 10.5px;
}

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

.ob-h-cell {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
}

.ob-h-label {
  color: var(--fg-3);
  font-size: 9.5px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}

.ob-h-val {
  overflow: hidden;
  color: var(--fg-1);
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ob-h-val.bid {
  color: var(--bid);
  font-weight: 600;
}

.ob-h-val.ask {
  color: var(--ask);
  font-weight: 600;
}

.ob-h-val.dash {
  color: var(--fg-3);
}

.ob-h-sub {
  overflow: hidden;
  color: var(--fg-3);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-variant-numeric: tabular-nums;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ob-h-toggle {
  color: var(--fg-3);
  font-family: var(--font-mono);
  font-size: 11px;
  text-align: right;
}

.ob-h-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 0;
  gap: 10px;
}

.row-request-btn {
  min-width: 68px;
  height: 26px;
  padding: 0 9px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: transparent;
  color: var(--fg-1);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.row-request-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.row-request-btn:disabled {
  border-color: var(--line-soft);
  color: var(--fg-3);
}

.ob-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 1px minmax(0, 1fr);
}

.ob-side-divider {
  background: var(--line-soft);
}

.ob-side {
  min-width: 0;
  padding: 10px 0;
}

.ob-side-head,
.ob-row {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) minmax(76px, 0.65fr) minmax(108px, 0.95fr);
  gap: 8px;
}

.ob-side-head {
  padding: 4px 18px 8px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--fg-3);
  font-size: 9.5px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}

.ob-side.short .ob-side-head {
  color: var(--bid);
}

.ob-side.long .ob-side-head {
  color: var(--ask);
}

.r {
  text-align: right;
}

.ob-side-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  padding: 8px 18px 7px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--fg-3);
  font-family: var(--font-mono);
  font-size: 10.5px;
}

.ob-side-meta b {
  color: var(--fg-1);
  font-weight: 500;
}

.ob-row {
  position: relative;
  align-items: center;
  padding: 7px 18px;
  color: var(--fg-1);
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.ob-row::before {
  content: "";
  position: absolute;
  top: 1px;
  bottom: 1px;
  z-index: 0;
  width: var(--depth, 0%);
}

.ob-row.bid::before {
  right: 0;
  background: var(--jade-bg);
}

.ob-row.ask::before {
  left: 0;
  background: var(--crimson-bg);
  opacity: 0.6;
}

.ob-row > * {
  position: relative;
  z-index: 1;
}

.ob-row .rank {
  color: var(--fg-3);
  font-size: 11px;
}

.ob-row .price {
  font-weight: 500;
}

.ob-row.bid .price {
  color: var(--bid);
}

.ob-row.ask .price {
  color: var(--ask);
}

.ob-row.best .price {
  font-weight: 700;
}

.ob-row .maker {
  overflow: hidden;
  color: var(--fg-2);
  font-size: 10.5px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.maker-cell {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 0;
  gap: 4px;
}

.maker-cell .copy-btn {
  min-width: 0;
  padding-right: 0;
}

.ob-side-empty {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px;
  color: var(--fg-2);
  font-size: 12px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
  padding: 2px 8px 2px 7px;
  border: 1px solid;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.6;
  text-transform: uppercase;
}

.pill .dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
}

.pill.quoting {
  border-color: var(--jade-line);
  background: var(--jade-bg);
  color: var(--jade);
}

.pill.silent {
  border-color: var(--amber-line);
  background: var(--amber-bg);
  color: var(--amber);
}

.pill.degraded {
  border-color: var(--copper-line);
  background: var(--copper-bg);
  color: var(--copper);
}

.pill.error {
  border-color: var(--crimson-line);
  background: var(--crimson-bg);
  color: var(--crimson);
}

.pill.idle {
  border-color: var(--line);
  background: transparent;
  color: var(--fg-3);
}

.pill.probing {
  border-color: var(--line-strong);
  background: var(--bg-2);
  color: var(--fg-1);
}

.pill.quoting .dot {
  background: var(--jade);
  box-shadow: 0 0 8px var(--jade);
}

.pill.silent .dot {
  background: var(--amber);
}

.pill.degraded .dot {
  background: var(--copper);
}

.pill.error .dot {
  background: var(--crimson);
  animation: blink 1.6s infinite;
}

.pill.idle .dot {
  background: var(--fg-4);
}

.pill.probing .dot {
  background: var(--accent);
  animation: pulse 1s ease-in-out infinite;
}

.pill-sm {
  padding: 1px 6px 1px 5px;
  font-size: 10px;
}

.pill-sm .dot {
  width: 5px;
  height: 5px;
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.35;
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.4;
    transform: scale(0.8);
  }

  50% {
    opacity: 1;
    transform: scale(1.1);
  }
}

.empty-state {
  padding: 60px 20px;
  color: var(--fg-2);
  text-align: center;
}

.empty-state-title {
  margin-bottom: 6px;
  color: var(--fg-1);
  font-size: 13px;
  font-weight: 500;
}

.empty-state-sub {
  color: var(--fg-3);
  font-size: 12px;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  color: var(--fg-3);
  font-family: var(--font-mono);
  font-size: 11px;
}

.footer-left,
.footer-right {
  display: flex;
  gap: 16px;
}

button:focus-visible,
.ob-header:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 1px;
}

@media (max-width: 1100px) {
  .masthead {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .brand {
    min-width: 0;
  }

  .mast-meta {
    order: 3;
    width: 100%;
    margin-left: 0;
  }

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

  .metric:nth-child(3) {
    border-right: 0;
  }

  .metric:nth-child(n + 4) {
    border-top: 1px solid var(--line-soft);
  }

  .ob-header {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .ob-h-toggle {
    display: none;
  }

  .ob-h-actions {
    justify-content: flex-start;
  }

  .ob-body {
    grid-template-columns: 1fr;
  }

  .ob-side-divider {
    height: 1px;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100vw - 24px, 1440px);
  }

  .mast-meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 14px;
  }

  .mast-meta-divider {
    display: none;
  }

  .mast-taker {
    grid-column: 1 / -1;
  }

  .btn-primary {
    width: 100%;
  }

  .summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metric,
  .metric:first-child,
  .metric:last-child {
    padding: 14px 12px;
    border-right: 1px solid var(--line-soft);
    border-top: 1px solid var(--line-soft);
  }

  .metric:nth-child(2n) {
    border-right: 0;
  }

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

  .legend {
    justify-content: flex-start;
  }

  .ob-header {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .ob-side-head,
  .ob-row {
    grid-template-columns: 24px minmax(0, 1fr) 64px 90px;
    padding-right: 12px;
    padding-left: 12px;
  }

  .ob-side-meta,
  .ob-side-empty {
    padding-right: 12px;
    padding-left: 12px;
  }
}