:root {
  color-scheme: dark;
  --bg: #0c0d12;
  --panel: #101116;
  --panel-2: #14161d;
  --line: #222530;
  --text: #e6e8ee;
  --muted: #8a8f9d;
  --bid: #16b26c;
  --bid-soft: rgba(22, 178, 108, 0.18);
  --ask: #f0444f;
  --ask-soft: rgba(240, 68, 79, 0.2);
  --accent: #f5a623;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: 72px 1fr;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto 220px;
  align-items: center;
  gap: 28px;
  padding: 12px 20px;
  border-bottom: 1px solid #050609;
  background: #111218;
}

.symbol-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.coin-dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #ffe082, #c99221 70%);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.06);
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: 20px;
  letter-spacing: 0;
}

h2 {
  font-size: 16px;
}

.market-type,
.subline,
.stat span,
.symbol-control span,
.columns,
.legend {
  color: var(--muted);
}

.subline {
  margin-top: 2px;
  display: flex;
  gap: 10px;
  font-size: 12px;
}

.status {
  color: var(--accent);
}

.status.live {
  color: var(--bid);
}

.status.error {
  color: var(--ask);
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(92px, auto));
  gap: 26px;
}

.stat {
  display: grid;
  gap: 2px;
}

.stat strong {
  font-size: 15px;
}

.symbol-control {
  display: grid;
  gap: 6px;
}

.symbol-control input,
.book-head select {
  height: 32px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #1b1d25;
  color: var(--text);
  padding: 0 10px;
}

.workspace {
  min-height: 0;
  height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: minmax(560px, 1fr) 360px 340px;
  gap: 4px;
  padding: 4px;
  overflow: hidden;
}

.depth-panel,
.book-panel {
  min-height: 0;
  background: var(--panel);
  border: 1px solid #050609;
}

.depth-panel {
  display: grid;
  grid-template-rows: 54px minmax(320px, 1fr);
  max-height: calc(100vh - 80px);
}

.panel-head,
.book-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.panel-head nav {
  display: flex;
  gap: 22px;
  font-weight: 650;
}

.panel-head .active {
  color: var(--accent);
}

.legend {
  display: flex;
  gap: 18px;
  font-size: 12px;
}

.legend i {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 6px;
  border-radius: 2px;
}

.bid-swatch {
  background: var(--bid);
}

.ask-swatch {
  background: var(--ask);
}

#depthCanvas {
  width: 100%;
  height: 100%;
  max-height: calc(100vh - 138px);
  display: block;
}

.book-panel {
  display: grid;
  grid-template-rows: 58px 34px 1fr 58px 1fr 34px;
}

.account-panel {
  min-height: 0;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 4px;
}

.card {
  background: var(--panel);
  border: 1px solid #050609;
  padding: 14px;
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.pill {
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 12px;
  text-transform: uppercase;
}

.pill.live {
  color: var(--bid);
  border-color: rgba(22, 178, 108, 0.45);
  background: rgba(22, 178, 108, 0.08);
}

.hidden {
  display: none !important;
}

.form-grid {
  display: grid;
  gap: 10px;
}

.form-grid label {
  display: grid;
  gap: 6px;
}

.form-grid label span,
.inline-form span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

input,
select,
button {
  font: inherit;
}

.form-grid input,
.form-grid select,
.inline-form input,
.inline-form select {
  width: 100%;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #1b1d25;
  color: var(--text);
  padding: 0 10px;
}

button {
  height: 34px;
  border: 0;
  border-radius: 4px;
  color: #111218;
  background: var(--accent);
  font-weight: 750;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.08);
}

button.ghost {
  border: 1px solid var(--line);
  color: var(--text);
  background: #1b1d25;
  padding: 0 10px;
}

button.ghost.danger {
  color: var(--ask);
  border-color: rgba(240, 68, 79, 0.38);
}

button.mini {
  height: 28px;
  padding: 0 8px;
  font-size: 12px;
}

button:disabled {
  cursor: wait;
  opacity: 0.55;
}

.session-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.session-box div {
  display: grid;
  gap: 2px;
}

.session-box span {
  color: var(--muted);
  font-size: 12px;
}

.balances,
.api-keys,
.open-orders {
  display: grid;
  gap: 8px;
}

.balance-row,
.api-key-row,
.api-secret {
  display: grid;
  gap: 4px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #0d0e13;
  font-variant-numeric: tabular-nums;
}

.balance-row {
  grid-template-columns: 64px 1fr;
}

.balance-row strong {
  grid-row: span 3;
  color: var(--accent);
}

.balance-row span,
.api-key-row span,
.api-secret span {
  color: var(--muted);
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.balance-row b {
  color: var(--text);
  font-weight: 650;
}

.inline-form {
  display: grid;
  grid-template-columns: 86px 1fr 82px;
  gap: 8px;
  margin-top: 10px;
}

.api-key-form {
  grid-template-columns: 1fr 82px;
  margin-top: 0;
  margin-bottom: 10px;
}

.order-form {
  grid-template-columns: 1fr 1fr;
}

.order-form label:first-child {
  grid-column: 1 / -1;
}

.order-form button {
  grid-column: 1 / -1;
}

.api-key-row code,
.api-secret code {
  color: #cfd3df;
  background: #151720;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 6px;
}

.api-key-row {
  grid-template-columns: 1fr;
}

.api-key-row > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.api-key-row code {
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-all;
  font-size: 11px;
}

.api-key-row button {
  justify-self: end;
}

.api-secret {
  margin-bottom: 8px;
  border-color: rgba(245, 166, 35, 0.4);
}

.empty {
  color: var(--muted);
  padding: 10px 0;
}

.order-columns,
.open-order-row {
  display: grid;
  grid-template-columns: 0.8fr 1fr 1fr 70px;
  gap: 8px;
  align-items: center;
}

.order-columns {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  padding: 0 2px 8px;
}

.order-columns span:nth-child(2),
.order-columns span:nth-child(3),
.open-order-row span:nth-child(2),
.open-order-row span:nth-child(3) {
  text-align: right;
}

.open-order-row {
  padding: 9px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #0d0e13;
  font-variant-numeric: tabular-nums;
}

.open-order-row span {
  min-width: 0;
  display: grid;
  gap: 1px;
}

.open-order-row strong,
.open-order-row small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.open-order-row strong {
  font-size: 12px;
}

.open-order-row small {
  color: var(--muted);
  font-size: 10px;
}

.open-order-row.bid-order > span:first-child strong {
  color: var(--bid);
}

.open-order-row.ask-order > span:first-child strong {
  color: var(--ask);
}

.toast {
  position: sticky;
  bottom: 10px;
  z-index: 10;
  margin: 4px;
  padding: 10px 12px;
  border-radius: 6px;
  background: #1b1d25;
  border: 1px solid var(--line);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}

.toast.success {
  color: var(--bid);
  border-color: rgba(22, 178, 108, 0.35);
}

.toast.error {
  color: var(--ask);
  border-color: rgba(240, 68, 79, 0.35);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.72);
}

.modal {
  width: min(720px, 100%);
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #11131a;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.55);
  padding: 18px;
}

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.modal-note {
  margin: 0 0 14px;
  color: var(--accent);
}

.modal label {
  display: grid;
  gap: 6px;
  margin-top: 12px;
}

.modal label span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.copy-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 86px;
  gap: 8px;
}

.copy-row input {
  height: auto;
  min-height: 38px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  overflow-wrap: anywhere;
}

.book-head select {
  width: 90px;
}

.columns {
  display: grid;
  grid-template-columns: 0.95fr 1fr 1.1fr;
  gap: 10px;
  align-items: center;
}

.columns {
  padding: 0 14px;
  font-size: 12px;
  font-weight: 650;
}

.columns span:nth-child(n + 2),
.book-row span:nth-child(n + 2) {
  text-align: right;
}

.book-side {
  min-height: 0;
  overflow: hidden;
}

.book-row {
  display: grid;
  grid-template-columns: 0.95fr 1fr 1.1fr;
  gap: 10px;
  align-items: center;
  position: relative;
  height: 34px;
  padding: 0 14px;
  font-variant-numeric: tabular-nums;
}

.book-cell {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1px;
  min-width: 0;
  white-space: nowrap;
}

.book-cell:nth-child(n + 2) {
  text-align: right;
}

.book-cell strong {
  font-size: 13px;
  font-weight: 650;
  overflow: hidden;
  text-overflow: ellipsis;
}

.book-cell small {
  color: var(--muted);
  font-size: 10px;
  line-height: 1;
  overflow: hidden;
  text-overflow: ellipsis;
}

.book-row::before {
  content: "";
  position: absolute;
  top: 1px;
  right: 0;
  bottom: 1px;
  width: var(--bar-width);
}

.asks .book-row::before {
  background: var(--ask-soft);
}

.bids .book-row::before {
  background: var(--bid-soft);
}

.ask-text,
.asks .price strong {
  color: var(--ask);
}

.bid-text,
.bids .price strong {
  color: var(--bid);
}

.mid-band {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #0d0e13;
}

.mid-band strong {
  font-size: 22px;
}

.mid-band span {
  color: var(--muted);
}

.ratio-bar {
  display: grid;
  grid-template-columns: var(--bid-ratio, 50%) 1fr;
  margin: 4px 14px;
  overflow: hidden;
  border-radius: 3px;
  background: #2b1b20;
  font-variant-numeric: tabular-nums;
}

.ratio-bar span {
  height: 24px;
  display: flex;
  align-items: center;
  padding: 0 8px;
}

.ratio-bar span:first-child {
  color: var(--bid);
  background: #123123;
}

.ratio-bar span:last-child {
  justify-content: flex-end;
  color: var(--ask);
}

@media (max-width: 980px) {
  .topbar {
    grid-template-columns: 1fr;
  }

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

  .workspace {
    grid-template-columns: 1fr;
    height: auto;
    overflow: visible;
  }

  .book-panel {
    min-height: 680px;
  }

  .account-panel {
    overflow: visible;
  }
}