:root {
  color-scheme: dark;
  --bg: #070a0f;
  --panel: #101724;
  --panel-2: #151d2b;
  --line: #273448;
  --text: #f4f7fb;
  --muted: #9aa8bb;
  --green: #27e58c;
  --red: #ff5570;
  --amber: #f2c14e;
  --blue: #6aa8ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top left, rgba(39, 229, 140, 0.12), transparent 35%),
    linear-gradient(135deg, #07100c, var(--bg) 44%, #09111d);
  color: var(--text);
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
}

.shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--green);
  font-size: 13px;
  letter-spacing: 0;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(30px, 4vw, 48px);
}

h2 {
  font-size: 18px;
}

.muted {
  color: var(--muted);
  margin-top: 8px;
  line-height: 1.6;
}

.actions {
  display: flex;
  gap: 10px;
}

button {
  border: 1px solid transparent;
  border-radius: 8px;
  background: var(--green);
  color: #04110b;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  min-height: 42px;
  padding: 0 16px;
}

button.secondary {
  color: var(--text);
  background: #1a2433;
  border-color: #334258;
}

button:disabled {
  cursor: wait;
  opacity: 0.7;
}

input {
  min-height: 42px;
  width: 100%;
  border: 1px solid #334258;
  border-radius: 8px;
  background: #0c121d;
  color: var(--text);
  font: inherit;
  direction: ltr;
  padding: 0 14px;
}

.market-selector {
  margin-bottom: 12px;
  min-height: 0;
}

.selector-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 150px;
  gap: 10px;
  margin-bottom: 12px;
}

.selector-note {
  border: 1px solid #334258;
  border-radius: 8px;
  background: #0c121d;
  color: var(--muted);
  line-height: 1.5;
  margin-bottom: 12px;
  padding: 10px 12px;
}

.pairs {
  display: grid;
  gap: 8px;
  max-height: 360px;
  overflow: auto;
}

.pair-card {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(260px, 1fr) 110px;
  align-items: center;
  gap: 12px;
  border: 1px solid #223044;
  border-radius: 8px;
  background: var(--panel-2);
  padding: 12px;
}

.pair-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.pair-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.badge {
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  padding: 5px 8px;
}

.badge.good {
  background: rgba(39, 229, 140, 0.18);
  color: var(--green);
}

.badge.warn {
  background: rgba(242, 193, 78, 0.17);
  color: var(--amber);
}

.muted-badge {
  background: rgba(154, 168, 187, 0.15);
  color: var(--muted);
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}

.status-grid article,
.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 23, 36, 0.86);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
}

.status-grid article {
  padding: 16px;
}

.status-grid span,
.panel-head span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 8px;
}

.status-grid strong {
  display: block;
  font-size: 20px;
  word-break: break-word;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.8fr);
  gap: 12px;
  margin-bottom: 12px;
}

.layout.lower {
  grid-template-columns: minmax(320px, 0.7fr) minmax(0, 1.3fr);
}

.panel {
  padding: 16px;
  min-height: 260px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

canvas {
  width: 100%;
  height: 300px;
  display: block;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #080d15;
}

.orders,
.logs {
  display: grid;
  gap: 8px;
  max-height: 330px;
  overflow: auto;
}

.order,
.log {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  align-items: center;
  gap: 10px;
  border: 1px solid #223044;
  border-radius: 8px;
  background: var(--panel-2);
  padding: 10px;
}

.side {
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  padding: 6px 10px;
  text-align: center;
}

.side.bid {
  color: #06150d;
  background: var(--green);
}

.side.ask {
  color: #1a060b;
  background: var(--red);
}

.small {
  color: var(--muted);
  font-size: 13px;
}

.log {
  grid-template-columns: 90px 1fr;
}

.log strong.info {
  color: var(--green);
}

.log strong.warn {
  color: var(--amber);
}

.log strong.error {
  color: var(--red);
}

@media (max-width: 860px) {
  .topbar,
  .layout,
  .layout.lower,
  .status-grid {
    grid-template-columns: 1fr;
    display: grid;
  }

  .actions {
    width: 100%;
  }

  button {
    width: 100%;
  }

  .selector-row,
  .pair-card,
  .pair-metrics {
    grid-template-columns: 1fr;
  }
}