:root {
  color-scheme: dark;
  --bg: #101214;
  --panel: #171a1d;
  --panel-2: #1f2328;
  --line: #30363d;
  --text: #f2f5f7;
  --muted: #98a2ad;
  --green: #18c48f;
  --red: #f0525f;
  --amber: #f5b84b;
  --blue: #4da3ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(77, 163, 255, 0.08), transparent 320px),
    var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

button {
  border: 1px solid var(--line);
  background: #242a30;
  color: var(--text);
  min-height: 40px;
  padding: 0 14px;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
}

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

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.app-shell {
  width: min(1360px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0;
}

.market-panel,
.strategy-card,
.trade-card,
.log-card {
  background: rgba(23, 26, 29, 0.94);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.market-panel {
  padding: 22px;
}

.topbar,
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 4.8rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  font-size: 1rem;
}

.status-pill {
  display: grid;
  place-items: center;
  min-width: 108px;
  min-height: 36px;
  border-radius: 999px;
  color: #0d1512;
  background: var(--amber);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.status-pill.live {
  background: var(--green);
}

.status-pill.error {
  background: var(--red);
  color: white;
}

.reset-control {
  display: grid;
  justify-items: end;
  gap: 6px;
}

.reset-control small {
  color: var(--muted);
  font-size: 0.76rem;
  white-space: nowrap;
}

.ticker-grid {
  display: grid;
  grid-template-columns: minmax(240px, 1.6fr) repeat(3, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.metric {
  min-height: 118px;
  padding: 16px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  align-content: space-between;
}

.metric span,
.metric small,
.account-grid span {
  color: var(--muted);
  font-size: 0.82rem;
}

.metric strong {
  display: block;
  margin: 8px 0;
  font-size: clamp(1.35rem, 2.4vw, 2.6rem);
  letter-spacing: 0;
}

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

.chart-wrap {
  height: clamp(280px, 42vw, 520px);
  margin-top: 16px;
  background: #0d1012;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.control-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 14px;
  margin-top: 14px;
}

.strategy-card,
.trade-card,
.log-card {
  padding: 18px;
}

.log-card {
  grid-column: 1 / -1;
}

.rules {
  display: grid;
  gap: 12px;
  margin-top: 18px;
  color: #d7dde4;
  line-height: 1.55;
}

.account-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.account-grid div {
  min-height: 76px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #14181b;
}

.account-grid strong {
  display: block;
  margin-top: 10px;
  font-size: 1.05rem;
  overflow-wrap: anywhere;
}

#tradeLog {
  display: grid;
  gap: 8px;
  max-height: 260px;
  overflow: auto;
  margin: 16px 0 0;
  padding-left: 20px;
}

#tradeLog li {
  color: #d7dde4;
  line-height: 1.4;
}

@media (max-width: 900px) {
  .ticker-grid,
  .control-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

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

@media (max-width: 520px) {
  .app-shell {
    width: min(100vw - 20px, 1360px);
    padding: 10px 0;
  }

  .market-panel,
  .strategy-card,
  .trade-card,
  .log-card {
    padding: 14px;
  }

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