/* ====== کارت‌های وسط ====== */
.center-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 900px) {
  .center-cards { grid-template-columns: 1fr; }
}

.center-card {
  background: var(--glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: all .4s ease;
  box-shadow: var(--shadow);
  animation: fadeIn .5s ease;
}
.center-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.center-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.center-card__icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
}
.center-card__icon.blue   { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.center-card__icon.green  { background: linear-gradient(135deg, #22c55e, #16a34a); }
.center-card__icon.orange { background: linear-gradient(135deg, #f59e0b, #d97706); }
.center-card__icon.purple { background: linear-gradient(135deg, #a855f7, #7c3aed); }
.center-card__icon.red    { background: linear-gradient(135deg, #ef4444, #dc2626); }

.center-card__badge {
  font-size: 11.5px;
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 700;
}
.center-card__badge.up   { background: rgba(34,197,94,.15); color: var(--success); }
.center-card__badge.down { background: rgba(239,68,68,.15); color: var(--danger); }

.center-card__label {
  font-size: 13px;
  color: var(--text-muted);
}
.center-card__value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
}
.center-card__sub {
  font-size: 11.5px;
  color: var(--text-muted);
}