:root {
  --bg: #0d1117;
  --bg-soft: #111827;
  --panel: #161b22;
  --panel-2: #1f2937;
  --line: #30363d;
  --line-strong: #475569;
  --text: #e6edf3;
  --muted: #8b949e;
  --yellow: #ecad0a;
  --blue: #209dd7;
  --purple: #753991;
  --green: #23c483;
  --red: #f05252;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input {
  font: inherit;
}

button {
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--panel-2);
  color: var(--text);
  min-height: 36px;
  padding: 0 12px;
  cursor: pointer;
}

button:hover {
  border-color: var(--blue);
}

input {
  min-width: 0;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #0f172a;
  color: var(--text);
  padding: 0 10px;
  outline: none;
}

input:focus {
  border-color: var(--blue);
}

.app-shell {
  min-height: 100vh;
  padding: 16px;
}

.topbar {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  background: #111827;
  padding: 12px;
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--yellow);
  border-radius: 6px;
  color: var(--yellow);
  font-weight: 800;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 21px;
  line-height: 1.1;
  letter-spacing: 0;
}

h2 {
  font-size: 14px;
  line-height: 1.2;
  letter-spacing: 0;
  text-transform: uppercase;
}

.brand p,
.panel-head p,
.status-line {
  color: var(--muted);
  font-size: 12px;
}

.account-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 8px;
  flex: 1;
}

.account-strip > div {
  border-left: 1px solid var(--line);
  padding: 2px 12px;
}

.account-strip span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

.account-strip strong {
  display: block;
  margin-top: 4px;
  font-size: 18px;
}

.connection {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-bottom: 6px;
  border-radius: 999px;
}

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

.dot-yellow {
  background: var(--yellow);
}

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

.terminal-grid {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(440px, 1.8fr) minmax(300px, 0.9fr);
  grid-template-rows: 390px 300px 360px;
  gap: 16px;
}

.panel {
  min-width: 0;
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  overflow: hidden;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 52px;
  border-bottom: 1px solid var(--line);
  padding: 10px 12px;
}

.inline-form {
  display: grid;
  grid-template-columns: minmax(70px, 1fr) auto;
  gap: 8px;
  max-width: 190px;
}

.watchlist-panel {
  grid-row: span 2;
}

.watchlist {
  height: calc(100% - 52px);
  overflow: auto;
}

.watch-row {
  display: grid;
  grid-template-columns: 62px minmax(76px, 1fr) 58px 88px 30px;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  border-bottom: 1px solid rgba(48, 54, 61, 0.7);
  padding: 7px 10px;
  cursor: pointer;
}

.watch-row:hover,
.watch-row.active {
  background: #1c2533;
}

.ticker {
  font-weight: 800;
}

.price {
  text-align: right;
  transition: background-color 500ms ease;
}

.flash-up {
  background: rgba(35, 196, 131, 0.2);
}

.flash-down {
  background: rgba(240, 82, 82, 0.2);
}

.num-up {
  color: var(--green);
}

.num-down {
  color: var(--red);
}

.spark {
  width: 88px;
  height: 22px;
}

.remove-button {
  width: 28px;
  min-height: 28px;
  padding: 0;
  color: var(--muted);
}

.chart-panel {
  grid-column: span 1;
  grid-row: span 1;
}

.metric-pill {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #0f172a;
  padding: 8px 12px;
  font-weight: 800;
  color: var(--yellow);
}

.chart-canvas,
.small-chart {
  display: block;
  width: 100%;
  height: calc(100% - 52px);
}

.trade-panel {
  grid-column: 3;
  grid-row: 1;
}

.trade-form {
  display: grid;
  gap: 12px;
  padding: 12px;
}

label span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

label input {
  width: 100%;
}

.trade-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.buy {
  border-color: rgba(35, 196, 131, 0.65);
  color: var(--green);
}

.sell {
  border-color: rgba(240, 82, 82, 0.65);
  color: var(--red);
}

.status-line {
  min-height: 22px;
  padding: 0 12px 12px;
}

.heatmap-panel {
  grid-column: 2;
  grid-row: 2;
}

.heatmap {
  display: flex;
  gap: 8px;
  height: calc(100% - 52px);
  padding: 12px;
}

.heat-tile {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 90px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  overflow: hidden;
}

.heat-tile strong {
  font-size: 18px;
}

.heat-tile span {
  font-size: 12px;
}

.positions-panel {
  grid-column: 1 / span 2;
  grid-row: 3;
}

.table-wrap {
  height: calc(100% - 52px);
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid rgba(48, 54, 61, 0.7);
  padding: 10px 12px;
  text-align: right;
  white-space: nowrap;
}

th:first-child,
td:first-child {
  text-align: left;
}

th {
  position: sticky;
  top: 0;
  background: var(--panel);
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

.pnl-panel {
  grid-column: 3;
  grid-row: 2;
}

.chat-panel {
  display: grid;
  grid-template-rows: 52px 1fr auto;
  grid-column: 3;
  grid-row: 3;
}

.chat-messages {
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: auto;
  padding: 12px;
}

.message {
  max-width: 92%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  font-size: 13px;
  line-height: 1.4;
}

.message.user {
  align-self: flex-end;
  border-color: rgba(32, 157, 215, 0.55);
  background: rgba(32, 157, 215, 0.12);
}

.message.assistant {
  align-self: flex-start;
  background: #101820;
}

.chat-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding: 10px;
}

.empty-state {
  display: grid;
  place-items: center;
  height: 100%;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

@media (max-width: 1100px) {
  .topbar {
    flex-direction: column;
  }

  .account-strip {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }

  .terminal-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .panel,
  .watchlist-panel,
  .chart-panel,
  .trade-panel,
  .heatmap-panel,
  .positions-panel,
  .pnl-panel,
  .chat-panel {
    grid-column: auto;
    grid-row: auto;
    min-height: 320px;
  }

  .watchlist-panel {
    min-height: 420px;
  }
}

@media (max-width: 620px) {
  .app-shell {
    padding: 8px;
  }

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

  .watch-row {
    grid-template-columns: 56px 78px 54px 1fr 30px;
  }

  .spark {
    width: 64px;
  }
}