/* ==========================================================================
   Groups page — 12 groups (A-L)
   ========================================================================== */

.groups-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--sp-5);
}

.group-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--dur-base), transform var(--dur-base);
}

.group-card:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-2px);
}

.group-card--death {
  border-color: transparent;
}

.group-card--death::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: var(--gradient-2026);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.group-card__head {
  padding: var(--sp-4) var(--sp-5);
  background: var(--color-bg-elevated);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
}

.group-card__name {
  display: flex;
  align-items: baseline;
  gap: var(--sp-2);
  font-family: var(--font-display);
}

.group-card__letter {
  font-size: var(--fs-2xl);
  background: var(--gradient-2026);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: 0.04em;
}

.group-card__label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.group-card__teams {
  display: flex;
  flex-direction: column;
}

.group-card__team {
  display: grid;
  grid-template-columns: 24px auto 1fr auto;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-5);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--fs-sm);
  transition: background var(--dur-fast);
}

.group-card__team:last-child { border-bottom: 0; }
.group-card__team:hover { background: var(--color-surface-2); }

.group-card__team-rank {
  font-family: var(--font-display);
  color: var(--color-text-dim);
  font-size: var(--fs-md);
}

.group-card__team-name {
  font-weight: var(--fw-medium);
}

.group-card__team-meta {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

.group-card__footer {
  padding: var(--sp-3) var(--sp-5);
  background: var(--color-bg);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
}