/* Dark theme — single accent color */
:root {
  --bg: #0d1117;
  --bg-card: #161b22;
  --bg-card-hover: #1c222b;
  --border: #30363d;
  --text: #e6edf3;
  --text-dim: #8b949e;
  --accent: #58a6ff;
  --green: #3fb950;
  --yellow: #d29922;
  --red: #f85149;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}

header h1 { margin: 0; font-size: 18px; font-weight: 600; }
header #refresh-status {
  font-size: 12px;
  color: var(--text-dim);
}

main {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  transition: background 0.15s;
}
.card:hover { background: var(--bg-card-hover); }
.card.big { grid-column: span 2; }
.card h2 {
  margin: 0 0 10px 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: none;
}

/* Range toggle */
.range-toggle {
  display: flex;
  gap: 4px;
  margin-bottom: 8px;
}
.range-toggle button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
}
.range-toggle button.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Stat grid (used in hedge-status, conditions, transfer, etc.) */
.kv {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 12px;
  font-variant-numeric: tabular-nums;
}
.kv .label { color: var(--text-dim); }
.kv .value { font-weight: 600; }
.kv .value.green { color: var(--green); }
.kv .value.red { color: var(--red); }
.kv .value.yellow { color: var(--yellow); }
.kv .value.dim { color: var(--text-dim); }
.kv .value.big { font-size: 18px; }

/* Bar — for margin ratio */
.bar {
  display: block;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--border);
  overflow: hidden;
  margin-top: 4px;
}
.bar > .fill {
  display: block;
  height: 100%;
  background: var(--green);
  transition: width 0.3s, background 0.3s;
}
.bar > .fill.yellow { background: var(--yellow); }
.bar > .fill.red { background: var(--red); }

/* Table */
table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}
thead th {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  padding: 6px 8px;
  text-align: left;
}
tbody td {
  padding: 8px;
  border-bottom: 1px solid var(--border);
}

canvas { width: 100% !important; height: 220px !important; }
.card.big canvas { height: 260px !important; }

.muted { color: var(--text-dim); }
.center { text-align: center; }