:root {
  color-scheme: dark;
  --bg: #151515;
  --panel: #202020;
  --panel-2: #272727;
  --line: #3a3a3a;
  --text: #f1f1ec;
  --muted: #aaa69b;
  --buy: #36c98a;
  --sell: #ef5b5b;
  --accent: #4fb6d8;
  --warn: #e7b84b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, Segoe UI, Arial, sans-serif;
  letter-spacing: 0;
}

.shell {
  min-height: 100vh;
  padding: 20px;
}

.topbar,
.metrics,
.workspace,
.panel-head {
  display: flex;
  gap: 14px;
}

.topbar {
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  font-weight: 650;
}

h1 {
  font-size: 28px;
}

h1 span {
  color: var(--muted);
  font-size: 18px;
  font-weight: 500;
}

h2 {
  font-size: 15px;
}

.controls {
  display: flex;
  gap: 8px;
  align-items: center;
}

select,
button {
  height: 34px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  border-radius: 6px;
  padding: 0 10px;
}

button {
  cursor: pointer;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(7, minmax(120px, 1fr));
  margin-bottom: 16px;
}

.metrics div,
.panel {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 8px;
}

.metrics div {
  padding: 12px;
}

.metrics span,
.panel-head span {
  color: var(--muted);
  font-size: 12px;
}

.metrics strong {
  display: block;
  margin-top: 6px;
  font-size: 20px;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  grid-template-areas:
    "price profile"
    "delta profile";
  margin-bottom: 16px;
}

.chart-panel:first-child {
  grid-area: price;
}

.chart-panel:nth-child(2) {
  grid-area: delta;
}

.profile-panel {
  grid-area: profile;
}

.panel {
  padding: 14px;
  min-width: 0;
}

.panel-head {
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 10px;
}

canvas {
  width: 100%;
  background: #171717;
  border: 1px solid #303030;
  border-radius: 6px;
  display: block;
}

.levels {
  display: grid;
  gap: 8px;
}

.level-row {
  display: grid;
  grid-template-columns: 46px 1fr 72px;
  gap: 8px;
  align-items: center;
  min-height: 30px;
}

.badge {
  color: #111;
  border-radius: 4px;
  padding: 4px 6px;
  font-size: 12px;
  text-align: center;
  font-weight: 700;
}

.bar {
  height: 8px;
  border-radius: 4px;
  background: var(--panel-2);
  overflow: hidden;
}

.bar span {
  display: block;
  height: 100%;
  background: var(--accent);
}

.price {
  text-align: right;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.tape-panel {
  padding-bottom: 6px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th,
td {
  padding: 8px;
  border-bottom: 1px solid var(--line);
  text-align: right;
}

th:first-child,
td:first-child,
th:nth-child(2),
td:nth-child(2) {
  text-align: left;
}

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

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

@media (max-width: 900px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .workspace {
    grid-template-columns: 1fr;
    grid-template-areas:
      "price"
      "delta"
      "profile";
  }
}