:root {
  color-scheme: dark;
  --bg: #0c0f12;
  --surface: #12171b;
  --surface-2: #171d22;
  --surface-3: #1d252b;
  --border: #273138;
  --border-soft: #20282e;
  --text: #eef3f5;
  --muted: #8b9ba6;
  --muted-2: #63737d;
  --green: #4fd19b;
  --green-bg: #113429;
  --red: #ff6b6b;
  --red-bg: #3b1c20;
  --cyan: #52b7d6;
  --cyan-bg: #122d37;
  --amber: #e6b450;
  --amber-bg: #362b15;
  --blue: #79a8ff;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  letter-spacing: 0;
}

button,
input {
  font: inherit;
  letter-spacing: 0;
}

button,
input[type="checkbox"] {
  cursor: pointer;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 70px;
  padding: 12px clamp(16px, 3vw, 42px);
  border-bottom: 1px solid var(--border);
  background: rgba(12, 15, 18, 0.96);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  backdrop-filter: blur(12px);
}

.brand-block,
.topbar-actions,
.live-state {
  display: flex;
  align-items: center;
}

.brand-block {
  gap: 12px;
}

.brand-block h1,
.brand-block p,
.section-heading h2,
.section-heading p,
footer p {
  margin: 0;
}

.brand-block h1 {
  font-size: 18px;
  line-height: 1.2;
}

.brand-block p {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border: 1px solid #2f5965;
  border-radius: 7px;
  background: #11242a;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 8px;
}

.brand-mark span {
  border-radius: 2px;
  background: var(--cyan);
}

.brand-mark span:last-child {
  background: var(--green);
  transform: translateY(5px);
}

.topbar-actions {
  gap: 14px;
  color: var(--muted);
  white-space: nowrap;
}

.live-state {
  gap: 7px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(230, 180, 80, 0.12);
}

.live-state.online .status-dot {
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(79, 209, 155, 0.12);
}

.live-state.error .status-dot {
  background: var(--red);
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.12);
}

.last-updated {
  color: var(--muted-2);
  font-variant-numeric: tabular-nums;
}

.icon-button {
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 22px;
  line-height: 1;
}

.icon-button:hover {
  border-color: #42525c;
  background: var(--surface-3);
}

.icon-button.loading span {
  display: inline-block;
  animation: rotate 0.8s linear infinite;
}

main {
  width: 100%;
}

.exchange-strip {
  min-height: 84px;
  padding: 0 clamp(16px, 3vw, 42px);
  border-bottom: 1px solid var(--border-soft);
  background: var(--surface);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.exchange-status,
.exchange-skeleton {
  min-width: 0;
  padding: 18px 22px;
  border-right: 1px solid var(--border-soft);
}

.exchange-status:first-child,
.exchange-skeleton:first-child {
  padding-left: 0;
}

.exchange-status:last-child,
.exchange-skeleton:last-child {
  border-right: 0;
}

.exchange-head,
.exchange-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.exchange-head strong {
  overflow: hidden;
  text-overflow: ellipsis;
}

.exchange-state {
  padding: 3px 7px;
  border-radius: 4px;
  background: var(--green-bg);
  color: var(--green);
  font-size: 11px;
}

.exchange-state.waiting,
.exchange-state.connecting {
  background: var(--amber-bg);
  color: var(--amber);
}

.exchange-state.error,
.exchange-state.stale {
  background: var(--red-bg);
  color: var(--red);
}

.exchange-meta {
  margin-top: 12px;
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.exchange-skeleton {
  margin: 20px;
  min-height: 42px;
  background: var(--surface-2);
  animation: pulse 1.2s ease-in-out infinite alternate;
}

.summary-band {
  padding: 22px clamp(16px, 3vw, 42px);
  border-bottom: 1px solid var(--border-soft);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.summary-metric {
  padding: 0 24px;
  border-right: 1px solid var(--border-soft);
}

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

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

.summary-metric span {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 12px;
}

.summary-metric strong {
  font-size: 24px;
  font-variant-numeric: tabular-nums;
}

.summary-metric.accent strong {
  color: var(--green);
}

.controls {
  padding: 18px clamp(16px, 3vw, 42px);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  align-items: flex-end;
  gap: 14px;
  flex-wrap: wrap;
}

.controls label:not(.toggle-control) > span {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 12px;
}

.controls input[type="search"],
.controls input[type="number"],
.controls select {
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 5px;
  outline: none;
  background: var(--bg);
  color: var(--text);
}

.controls select {
  min-width: 118px;
  padding: 0 30px 0 10px;
}

.controls input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px rgba(82, 183, 214, 0.12);
}

.search-control {
  flex: 1 1 190px;
  max-width: 290px;
}

.search-control input {
  width: 100%;
  padding: 0 11px;
}

.input-unit {
  height: 38px;
  min-width: 138px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--bg);
  display: flex;
  align-items: center;
}

.input-unit:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px rgba(82, 183, 214, 0.12);
}

.input-unit input[type="number"] {
  width: 72px;
  min-width: 0;
  padding: 0 8px;
  border: 0;
  background: transparent;
  box-shadow: none;
  font-variant-numeric: tabular-nums;
}

.input-unit b {
  padding-right: 9px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
}

.input-unit.prefix b {
  padding: 0 0 0 10px;
}

.input-unit.prefix input {
  width: 100px;
}

.toggle-control {
  height: 38px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  white-space: nowrap;
}

.toggle-control input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.toggle {
  position: relative;
  width: 34px;
  height: 19px;
  border: 1px solid #44515a;
  border-radius: 10px;
  background: var(--surface-3);
  transition: 0.18s ease;
}

.toggle::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--muted);
  transition: 0.18s ease;
}

.toggle-control input:checked + .toggle {
  border-color: var(--green);
  background: var(--green-bg);
}

.toggle-control input:checked + .toggle::after {
  left: 18px;
  background: var(--green);
}

.fee-settings {
  position: relative;
  height: 38px;
}

.fee-settings summary {
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--bg);
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 12px;
  list-style: none;
  white-space: nowrap;
}

.fee-settings summary::-webkit-details-marker {
  display: none;
}

.fee-settings summary::after {
  content: "⌄";
  color: var(--muted-2);
  font-size: 15px;
  transition: transform 0.18s ease;
}

.fee-settings[open] summary {
  border-color: var(--cyan);
}

.fee-settings[open] summary::after {
  transform: rotate(180deg);
}

.fee-settings-panel {
  position: absolute;
  top: 45px;
  right: 0;
  z-index: 20;
  width: 360px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-2);
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.38);
}

.fee-settings-panel > strong {
  display: block;
  margin-bottom: 11px;
  font-size: 12px;
}

.fee-input-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.fee-input-grid .input-unit {
  width: 100%;
  min-width: 0;
}

.fee-input-grid .input-unit input[type="number"] {
  width: 100%;
}

.notice {
  margin: 16px clamp(16px, 3vw, 42px) 0;
  padding: 10px 12px;
  border: 1px solid #6a5425;
  border-radius: 5px;
  background: var(--amber-bg);
  color: #f0ce80;
}

.trading-panel {
  padding: 20px clamp(16px, 3vw, 42px);
  border-bottom: 1px solid var(--border);
  background: #0f1417;
}

.account-panel {
  padding: 20px clamp(16px, 3vw, 42px);
  border-bottom: 1px solid var(--border);
  background: #0c1114;
}

.account-head,
.account-head-actions,
.account-user-line,
.account-balance > div {
  display: flex;
  align-items: center;
}

.account-head {
  justify-content: space-between;
  gap: 16px;
}

.account-head h2,
.account-head p {
  margin: 0;
}

.account-head h2 {
  font-size: 16px;
}

.account-head p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

.account-head-actions {
  gap: 10px;
}

.auth-form {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(180px, 1fr) auto auto;
  align-items: end;
  gap: 10px;
  margin-top: 16px;
}

.auth-form label > span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 11px;
}

.auth-form input {
  width: 100%;
  height: 38px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 5px;
  outline: 0;
  background: var(--bg);
  color: var(--text);
}

.auth-form input:focus {
  border-color: var(--cyan);
}

.account-content {
  margin-top: 14px;
}

.account-user-line {
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 11px;
}

.account-user-line strong {
  color: var(--text);
  font-size: 13px;
}

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

.account-balance {
  min-width: 0;
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--border-soft);
  border-radius: 5px;
  background: #11181c;
}

.account-balance > div {
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 11px;
}

.account-balance strong,
.account-balance b {
  color: var(--text);
}

.account-balance small {
  color: var(--muted);
  font-size: 10px;
}

.trading-head,
.trading-grid,
.preflight-head,
.trade-history-head,
.trade-record {
  display: flex;
  align-items: center;
}

.trading-head-actions {
  display: flex;
  gap: 8px;
}

.api-settings-panel {
  margin-top: 14px;
  padding: 12px 0;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.api-credential-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.api-credential-grid section {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto auto;
  gap: 7px;
}

.api-credential-grid .aster-credentials {
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto auto;
}

.api-credential-grid section > div {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.api-credential-grid section > div span,
.api-settings-panel > p {
  color: var(--muted);
  font-size: 11px;
}

.api-credential-grid input {
  min-width: 0;
  height: 36px;
  padding: 0 9px;
  border: 1px solid var(--border);
  border-radius: 5px;
  outline: 0;
  background: var(--bg);
  color: var(--text);
}

.api-credential-grid input:focus {
  border-color: var(--cyan);
}

.api-settings-panel > p {
  margin: 9px 0 0;
}

.text-button {
  min-height: 36px;
  padding: 0 5px;
  color: var(--muted);
}

.trading-head,
.preflight-head,
.trade-history-head {
  justify-content: space-between;
  gap: 16px;
}

.trading-head h2,
.trading-head p {
  margin: 0;
}

.trading-head h2 {
  font-size: 16px;
}

.trading-head p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

.trading-grid {
  margin-top: 15px;
  align-items: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.trading-grid label > span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 11px;
}

.check-control > span:last-child {
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
}

.check-control input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.confirm-control input {
  width: 150px;
  height: 38px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 5px;
  outline: none;
  background: var(--bg);
  color: var(--text);
}

.confirm-control input:focus {
  border-color: var(--cyan);
}

.primary-button,
.secondary-button,
.danger-button {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text);
  font-weight: 600;
}

.primary-button {
  min-height: 38px;
  height: auto;
  line-height: 1.25;
  white-space: normal;
  padding: 8px 12px;
  border-color: #287a63;
  background: var(--green-bg);
  color: var(--green);
}

.secondary-button {
  background: var(--surface-2);
}

.danger-button {
  margin-top: 13px;
  border-color: #a64149;
  background: var(--red-bg);
  color: #ff9a9a;
}

.primary-button:disabled,
.secondary-button:disabled,
.danger-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.preflight-result {
  margin-top: 15px;
  padding: 14px;
  border: 1px solid #31515a;
  border-radius: 6px;
  background: var(--surface);
}

.preflight-head > span {
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.preflight-metrics {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--border-soft);
}

.preflight-metrics > div {
  min-width: 0;
  padding: 10px;
  background: var(--surface-2);
}

.preflight-metrics span,
.preflight-metrics strong {
  display: block;
}

.preflight-metrics span {
  color: var(--muted);
  font-size: 10px;
}

.preflight-metrics strong {
  margin-top: 5px;
  overflow-wrap: anywhere;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.trade-history {
  margin-top: 15px;
}

.trade-history-head {
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 11px;
}

.trade-record {
  min-height: 52px;
  padding: 8px 10px;
  border-top: 1px solid var(--border-soft);
  gap: 12px;
}

.trade-record > div {
  min-width: 0;
  flex: 1;
}

.trade-record strong,
.trade-record > div span {
  display: block;
}

.trade-record > div span {
  margin-top: 3px;
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.trade-record > div span.warning {
  color: var(--amber);
}

.trade-state {
  color: var(--green);
  white-space: nowrap;
}

.trade-record.attention .trade-state {
  color: var(--red);
}

.trade-record.executing .trade-state,
.trade-record.not_filled .trade-state {
  color: var(--amber);
}

.trade-history-archive {
  border-top: 1px solid var(--border-soft);
}

.trade-history-toggle {
  width: 100%;
  min-height: 40px;
  padding: 0 10px;
  display: grid;
  grid-template-columns: 1fr auto 18px;
  align-items: center;
  gap: 8px;
  border: 0;
  background: transparent;
  color: var(--muted);
  text-align: left;
}

.trade-history-toggle:hover {
  background: var(--surface-2);
  color: var(--text);
}

.trade-history-toggle:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: -1px;
}

.trade-history-chevron {
  display: inline-block;
  color: var(--muted-2);
  font-size: 16px;
  text-align: center;
  transition: transform 150ms ease;
}

.trade-history-toggle[aria-expanded="true"] .trade-history-chevron {
  transform: rotate(180deg);
}

.trade-history-list {
  border-top: 1px solid var(--border-soft);
}

.trade-history-list .trade-record:first-child {
  border-top: 0;
}

.opportunities-section {
  padding: 24px clamp(16px, 3vw, 42px) 36px;
}

.section-heading {
  margin-bottom: 16px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
}

.section-heading h2 {
  font-size: 20px;
}

.section-heading p {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
}

.legend {
  display: flex;
  gap: 14px;
  color: var(--muted);
  font-size: 12px;
}

.legend span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.legend i {
  width: 8px;
  height: 8px;
  border-radius: 2px;
}

.long-dot {
  background: var(--green);
}

.short-dot {
  background: var(--red);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
}

table {
  width: 100%;
  min-width: 1080px;
  border-collapse: collapse;
  table-layout: fixed;
}

th,
td {
  padding: 13px 8px;
  border-bottom: 1px solid var(--border-soft);
  text-align: left;
  vertical-align: middle;
}

th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

th:nth-child(1) { width: 86px; }
th:nth-child(2) { width: 160px; }
th:nth-child(3) { width: 105px; }
th:nth-child(4) { width: 100px; }
th:nth-child(5) { width: 105px; }
th:nth-child(6) { width: 90px; }
th:nth-child(7) { width: 105px; }
th:nth-child(n+8):nth-child(-n+10) { width: 118px; }
th:nth-child(11) { width: 40px; }

tbody tr:last-child td {
  border-bottom: 0;
}

tbody tr.opportunity-row {
  cursor: pointer;
}

tbody tr.opportunity-row:hover td {
  background: #151b20;
}

.numeric {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.symbol-cell strong {
  display: block;
  font-size: 15px;
}

.symbol-cell span,
.cell-subtext {
  display: block;
  margin-top: 4px;
  color: var(--muted-2);
  font-size: 11px;
}

.symbol-cell .tag,
.card-head .tag {
  display: inline-block;
  width: fit-content;
  margin-top: 5px;
  padding: 2px 5px;
  border-radius: 3px;
  font-size: 9px;
}

.tag.receive {
  background: var(--green-bg);
  color: var(--green);
}

.tag.basis {
  background: var(--amber-bg);
  color: var(--amber);
}

.tag.async {
  background: #173144;
  color: #8fc9ec;
}

.tag.window-ready {
  background: var(--green-bg);
  color: var(--green);
}

.tag.window-waiting {
  background: #173144;
  color: #8fc9ec;
}

.symbol-cell .tag + .tag,
.card-head .tag + .tag {
  margin-left: 4px;
}

.settlement-warning {
  margin-top: 11px;
  padding: 9px 10px;
  border-left: 2px solid var(--amber);
  background: var(--amber-bg);
  color: #f0ce80;
  font-size: 11px;
  line-height: 1.5;
}

.settlement-ready {
  margin-top: 11px;
  padding: 9px 10px;
  border-left: 2px solid var(--green);
  background: var(--green-bg);
  color: var(--green);
  font-size: 11px;
  line-height: 1.5;
}

.tag.liquidity {
  background: var(--red-bg);
  color: var(--red);
}

.direction {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 18px minmax(0, 1fr);
  align-items: center;
  gap: 6px;
}

.direction-leg {
  min-width: 0;
}

.direction-leg span {
  display: block;
  margin-bottom: 3px;
  font-size: 10px;
  font-weight: 700;
}

.direction-leg strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 12px;
  white-space: nowrap;
}

.direction-leg.long span {
  color: var(--green);
}

.direction-leg.short span {
  color: var(--red);
}

.direction-arrow {
  color: var(--muted-2);
  text-align: center;
}

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

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

.warning {
  color: var(--amber);
}

.gross-value,
.estimate-value {
  font-weight: 700;
}

.gross-value {
  color: var(--green);
}

.rate-cell {
  border-left: 1px solid transparent;
}

.rate-cell.long-target {
  border-left-color: var(--green);
  background: rgba(79, 209, 155, 0.05);
}

.rate-cell.short-target {
  border-left-color: var(--red);
  background: rgba(255, 107, 107, 0.05);
}

.rate-cell strong {
  font-size: 12px;
  font-weight: 600;
}

.rate-cell small {
  display: block;
  margin-top: 3px;
  color: var(--muted-2);
  font-size: 10px;
}

.direction-tag {
  display: inline-block;
  margin-left: 4px;
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 9px;
}

.direction-tag.long {
  background: var(--green-bg);
  color: var(--green);
}

.direction-tag.short {
  background: var(--red-bg);
  color: var(--red);
}

.expand-button {
  width: 28px;
  height: 28px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 18px;
}

.expanded .expand-button {
  transform: rotate(180deg);
}

.detail-row td {
  padding: 0;
  background: #0f1417;
}

.window-plan {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-soft);
  background: #11171b;
}

.window-plan > div {
  min-width: 0;
  padding-right: 14px;
}

.window-plan span,
.window-plan strong {
  display: block;
}

.window-plan span {
  margin-bottom: 5px;
  color: var(--muted-2);
  font-size: 10px;
}

.window-plan strong {
  overflow-wrap: anywhere;
  font-size: 12px;
}

.window-plan p {
  grid-column: 1 / -1;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}

.waiting-value {
  color: #8fc9ec;
}

.detail-panel {
  padding: 16px 18px 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--border-soft);
}

.venue-detail {
  min-width: 0;
  padding: 14px;
  background: #11171b;
}

.venue-detail h3 {
  margin: 0 0 12px;
  font-size: 13px;
}

.venue-detail dl {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 7px 10px;
  font-size: 11px;
}

.venue-detail dt {
  color: var(--muted);
}

.venue-detail dd {
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  font-variant-numeric: tabular-nums;
  text-align: right;
  white-space: nowrap;
}

.venue-detail.unavailable {
  color: var(--muted-2);
}

.loading-row td,
.loading-card {
  height: 180px;
  color: var(--muted);
  text-align: center;
}

.spinner {
  display: inline-block;
  width: 15px;
  height: 15px;
  margin-right: 8px;
  border: 2px solid #334149;
  border-top-color: var(--cyan);
  border-radius: 50%;
  vertical-align: -3px;
  animation: rotate 0.8s linear infinite;
}

.empty-state {
  min-height: 220px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
}

.empty-state strong {
  color: var(--text);
}

.mobile-results {
  display: none;
}

footer {
  min-height: 64px;
  padding: 16px clamp(16px, 3vw, 42px);
  border-top: 1px solid var(--border);
  color: var(--muted-2);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
}

footer > span {
  padding: 3px 6px;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--muted);
  white-space: nowrap;
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

@keyframes pulse {
  from { opacity: 0.35; }
  to { opacity: 0.75; }
}

@media (max-width: 980px) {
  .exchange-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .exchange-status:nth-child(even),
  .exchange-skeleton:nth-child(even) {
    border-right: 0;
  }

  .exchange-status:not(:last-child),
  .exchange-skeleton:not(:last-child) {
    border-bottom: 1px solid var(--border-soft);
  }

  .exchange-status:last-child,
  .exchange-skeleton:last-child {
    grid-column: 1 / -1;
    border-right: 0;
  }

  .summary-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 20px;
  }

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

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

  .window-plan {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 14px;
  }
}

@media (max-width: 700px) {
  .topbar {
    min-height: 64px;
    padding: 10px 14px;
    overflow: hidden;
  }

  .brand-block p,
  .last-updated,
  #liveText {
    display: none;
  }

  .topbar-actions {
    position: fixed;
    top: 13px;
    right: 14px;
    z-index: 30;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
    padding: 7px;
  }

  .topbar-actions {
    gap: 9px;
  }

  .exchange-strip {
    padding: 0 14px;
  }

  .exchange-status,
  .exchange-skeleton {
    padding: 14px 12px;
  }

  .exchange-status:nth-child(odd),
  .exchange-skeleton:nth-child(odd) {
    padding-left: 0;
  }

  .summary-band {
    padding: 18px 14px;
  }

  .summary-metric {
    padding: 0 14px;
  }

  .summary-metric:nth-child(odd) {
    padding-left: 0;
  }

  .summary-metric strong {
    font-size: 20px;
  }

  .controls {
    padding: 15px 14px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: end;
  }

  .fee-settings {
    grid-column: 1 / -1;
    width: 100%;
    height: auto;
  }

  .fee-settings summary {
    justify-content: space-between;
  }

  .fee-settings-panel {
    position: static;
    width: 100%;
    margin-top: 8px;
  }

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

  .search-control {
    grid-column: 1 / -1;
    max-width: none;
  }

  .input-unit,
  .controls label:not(.toggle-control) {
    min-width: 0;
    width: 100%;
  }

  .input-unit input[type="number"],
  .input-unit.prefix input {
    width: 100%;
  }

  .notice {
    margin: 12px 14px 0;
  }

  .trading-panel {
    padding: 16px 14px;
  }

  .account-panel {
    padding: 16px 14px;
  }

  .account-head {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .account-head-actions {
    width: 100%;
  }

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

  .auth-form label {
    grid-column: 1 / -1;
  }

  .account-user-line {
    align-items: flex-start;
    flex-direction: column;
  }

  .account-balances {
    grid-template-columns: 1fr;
  }

  .trading-head {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .trading-head-actions {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .api-credential-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .api-credential-grid section,
  .api-credential-grid .aster-credentials {
    grid-template-columns: minmax(0, 1fr) auto auto;
  }

  .api-credential-grid input {
    grid-column: 1 / -1;
  }

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

  .trading-grid .input-unit,
  .confirm-control,
  .confirm-control input,
  .trading-grid .primary-button {
    width: 100%;
  }

  .confirm-control,
  .trading-grid .primary-button {
    grid-column: 1 / -1;
  }

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

  .trade-record {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .trade-record > div {
    flex-basis: calc(100% - 80px);
  }

  .trade-record .secondary-button {
    width: 100%;
  }

  .opportunities-section {
    padding: 20px 14px 28px;
  }

  .section-heading {
    align-items: flex-start;
  }

  .legend {
    display: none;
  }

  .desktop-results {
    display: none;
  }

  .mobile-results {
    display: grid;
    gap: 10px;
  }

  .opportunity-card {
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
  }

  .card-main {
    width: 100%;
    padding: 14px;
    border: 0;
    background: transparent;
    color: inherit;
    text-align: left;
  }

  .card-head,
  .card-metrics,
  .card-directions,
  .card-rate-grid {
    display: grid;
  }

  .card-head {
    grid-template-columns: 1fr auto;
    align-items: start;
    gap: 12px;
  }

  .card-symbol {
    font-size: 17px;
    font-weight: 700;
  }

  .card-head .gross-value {
    font-size: 17px;
  }

  .card-directions {
    margin-top: 14px;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .card-direction {
    padding: 9px;
    border-left: 2px solid var(--green);
    background: var(--green-bg);
  }

  .card-direction.short {
    border-left-color: var(--red);
    background: var(--red-bg);
  }

  .card-direction span {
    display: block;
    color: var(--muted);
    font-size: 10px;
  }

  .card-direction strong {
    display: block;
    margin-top: 3px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .card-metrics {
    margin-top: 13px;
    grid-template-columns: repeat(2, 1fr);
    gap: 7px;
  }

  .card-metric span {
    display: block;
    color: var(--muted-2);
    font-size: 10px;
  }

  .card-metric strong {
    display: block;
    margin-top: 3px;
    font-size: 12px;
    font-variant-numeric: tabular-nums;
  }

  .card-details {
    padding: 0 14px 14px;
    border-top: 1px solid var(--border-soft);
  }

  .card-rate-grid {
    padding-top: 12px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
  }

  .mobile-rate {
    min-width: 0;
    padding: 9px;
    background: var(--surface-2);
  }

  .mobile-rate span,
  .mobile-rate small {
    display: block;
  }

  .mobile-rate span {
    margin-bottom: 4px;
    color: var(--muted);
    font-size: 10px;
  }

  .mobile-rate strong {
    font-size: 12px;
  }

  .mobile-rate small {
    margin-top: 3px;
    color: var(--muted-2);
    font-size: 9px;
  }

  footer {
    padding: 14px;
    align-items: flex-start;
  }
}