:root {
  --bg: #0d1117;
  --bg-panel: #161b22;
  --bg-hover: #1c232d;
  --border: #2d333b;
  --text: #d7dde4;
  --muted: #8b949e;
  --accent: #58a6ff;
  --green: #3fb950;
  --red: #f85149;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

header, main, footer {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

header { padding-top: 24px; }
footer { padding: 24px 20px 40px; font-size: 12px; }

.header-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

h1 { font-size: 20px; margin: 0; font-weight: 600; }
h2 {
  font-size: 15px;
  margin: 28px 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
}
h3 { font-size: 13px; margin: 18px 0 8px; color: var(--muted); }

.muted { color: var(--muted); }
.mono { font-family: var(--mono); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 14px;
}

.card .label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.card .value {
  font-family: var(--mono);
  font-size: 18px;
  margin-top: 4px;
}

.card .sub {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
  word-break: break-all;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  margin-bottom: 8px;
}

.filters label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}

select, input[type="text"] {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 12px;
  font-family: var(--mono);
}

input[type="range"] { width: 110px; accent-color: var(--accent); }

.table-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 2px;
  font-size: 12px;
}

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 12px;
  padding: 0;
}
.link-btn:hover { text-decoration: underline; }

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 12px;
  white-space: nowrap;
}

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

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

thead th {
  background: var(--bg-panel);
  color: var(--muted);
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  position: sticky;
  top: 0;
}
thead th:hover { color: var(--text); }
thead th .arrow { color: var(--accent); margin-left: 4px; }

tbody tr:hover { background: var(--bg-hover); }
tbody tr.error-row { opacity: 0.45; }
tbody tr.error-row td { color: var(--red); }

td.params-cell {
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: left;
  color: var(--muted);
}

.pos { color: var(--green); }
.neg { color: var(--red); }

.run-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 10px;
}

.run-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 14px;
  cursor: pointer;
  font-size: 12px;
}
.run-card:hover { border-color: var(--accent); }
.run-card.selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }

.run-card .run-title {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 13px;
  margin-bottom: 6px;
}

.run-card .run-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  font-family: var(--mono);
  color: var(--muted);
}

#run-detail { margin-top: 18px; }

#run-detail-header {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  font-family: var(--mono);
  font-size: 12px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  margin-bottom: 10px;
}

#run-detail-header .k { color: var(--muted); }

#equity-chart {
  width: 100%;
  height: 520px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-panel);
}

.empty-note {
  padding: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}