:root {
  color-scheme: dark;
  --background: #070a10;
  --surface: #10151f;
  --surface-raised: #151c28;
  --border: #222c3b;
  --text: #eef3f8;
  --text-soft: #a7b3c4;
  --text-muted: #6f7e91;
  --accent: #7c5cff;
  --positive: #39d98a;
  --negative: #ff6577;
  --warning: #f8c55c;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--background);
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 18% -10%, rgba(124, 92, 255, 0.15), transparent 34rem),
    var(--background);
  color: var(--text);
  font-size: 15px;
  line-height: 1.55;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  background: rgba(16, 21, 31, 0.7);
  backdrop-filter: blur(8px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #9a84ff);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
}

.brand h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 650;
}

.subtitle {
  margin: 0;
  font-size: 12.5px;
  color: var(--text-muted);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-soft);
  font-size: 13px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.online {
  background: var(--positive);
  box-shadow: 0 0 10px var(--positive);
}

.dot.offline {
  background: var(--negative);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 24px 28px 8px;
  max-width: 1200px;
  margin: 0 auto;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.25);
}

.card h2 {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.span-2 {
  grid-column: span 2;
}

.big-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.big {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.big .label {
  font-size: 12px;
  color: var(--text-muted);
}

.big .value {
  font-size: 26px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.big .value.spread-pos {
  color: var(--positive);
}

.big .value.spread-neg {
  color: var(--negative);
}

.kv {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
}

.kv div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.kv span {
  font-size: 12px;
  color: var(--text-muted);
}

.kv strong {
  font-size: 16px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.kv strong.pos {
  color: var(--positive);
}

.kv strong.neg {
  color: var(--negative);
}

footer {
  padding: 20px 28px 30px;
  text-align: center;
  color: var(--text-muted);
  font-size: 12.5px;
}

.sweep-groups {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.sweep-group {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  background: var(--surface-soft);
}

.sweep-group h3 {
  margin: 0 0 10px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
}

.sweep-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.sweep-table th,
.sweep-table td {
  padding: 6px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.sweep-table th {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 12px;
}

.sweep-table td.status-done {
  color: var(--positive);
}

.sweep-table td.status-running {
  color: var(--warning);
}

.sweep-table td.status-failed,
.sweep-table td.status-error {
  color: var(--negative);
}

.sweep-table td.status-stopped {
  color: var(--text-muted);
}

.sweep-table td.pnl-neg {
  color: var(--negative);
}

.sweep-table td.pnl-pos {
  color: var(--positive);
}

.sweep-card {
  max-width: 1200px;
  margin: 16px auto 8px;
  grid-column: 1 / -1;
}

.sweep-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.sweep-head h3 {
  margin: 0;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
}

.sweep-meta {
  font-size: 12px;
  color: var(--text-muted);
}

@media (max-width: 860px) {
  .grid {
    grid-template-columns: 1fr;
  }
  .sweep-card {
    grid-column: span 1;
  }
}