/* Investor Arena dashboard */
.arena-hero {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr 1fr;
}
@media (max-width: 640px) {
  .arena-hero { grid-template-columns: 1fr; }
}
.arena-card {
  border: 1px solid var(--rh-border, #2a2a2a);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.15s;
  background: var(--rh-surface, #111);
}
.arena-card:hover {
  border-color: var(--rh-accent, #00c805);
  transform: translateY(-1px);
}
.arena-card--winner {
  border-color: var(--rh-accent, #00c805);
  box-shadow: 0 0 0 1px rgba(0, 200, 5, 0.25);
}
.rh-card--leader {
  border-color: rgba(0, 200, 5, 0.45);
  background: rgba(0, 200, 5, 0.05);
}
.arena-card__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--rh-muted, #888);
}
.arena-card__value {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 4px 0;
}
.arena-chart-wrap {
  position: relative;
  height: 220px;
  margin-top: 12px;
}
.arena-table tr {
  cursor: pointer;
}
.arena-table tr:hover td {
  background: rgba(255, 255, 255, 0.04);
}
.arena-table tr.arena-table-row--leader td {
  background: rgba(0, 200, 5, 0.1);
}
.arena-table tr.arena-table-row--leader td:first-child {
  border-left: 3px solid var(--rh-accent, #00c805);
}
.arena-table tr.arena-table-row--leader .arena-rank {
  color: var(--rh-accent, #00c805);
  font-weight: 700;
}
.arena-table tr.arena-table-row--podium td {
  background: rgba(0, 200, 5, 0.04);
}
.arena-rank {
  font-variant-numeric: tabular-nums;
  color: var(--rh-muted, #888);
  width: 2.5rem;
}
.arena-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
  font-size: 0.85rem;
}
.arena-breadcrumb a {
  color: var(--rh-accent, #00c805);
  text-decoration: none;
}
.arena-reasoning {
  white-space: pre-wrap;
  font-size: 0.85rem;
  line-height: 1.5;
  max-height: 280px;
  overflow-y: auto;
  padding: 12px;
  background: rgba(0, 0, 0, 0.35);
  border-radius: 8px;
}
.arena-ultimate {
  border-left: 3px solid #7c5cff;
  padding-left: 12px;
  margin-top: 16px;
}
.arena-day-portfolio summary {
  cursor: pointer;
  padding: 8px 0;
  color: var(--rh-text, #eee);
}
.arena-day-portfolio[open] summary {
  color: var(--rh-accent, #00c805);
}