/* ============================================
   COMPONENTS: Cards โ€” Obsidian Aurora
   ============================================
   Tonal depth cards, NO hard borders,
   subtle hover lift.
   ============================================ */

/* Base Card — prototype: flat surface, subtle border, no inner highlight */
.card {
  background: var(--surface);
  color: var(--text);
  border-radius: var(--radius);
  box-shadow: var(--elevation-1);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-bottom: 18px;
  transition: var(--transition);
}

.card-header {
  background: transparent;
  color: var(--text);
  padding: 16px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 14px;
}

.card-header h3 {
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  font-weight: var(--font-weight-semibold);
}

.card-header h3 i {
  color: var(--color-text-muted);
  font-size: 14px;
}

.card-header .btn {
  margin-left: auto;
}

.card-body {
  padding: 22px;
}

/* Stat Card โ€” Obsidian Aurora with subtle glow */
.stat-card {
  background: var(--surface);
  color: var(--text);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--elevation-1), var(--surface-inset);
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--elevation-2), var(--surface-inset);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-icon {
  font-size: 1.8rem;
  color: var(--color-primary);
  width: 52px;
  min-width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

/* Solid dots for online/offline stat icons */
.stat-icon.online,
.stat-icon.offline {
  position: relative;
  font-size: 0;
  width: 22px;
  height: 22px;
  min-width: 22px;
  border-radius: 50%;
  background: transparent;
  border: 0;
  box-shadow: none;
  line-height: 0;
}

.stat-icon.online::before,
.stat-icon.offline::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: currentColor;
}

.stat-icon.online {
  color: var(--color-success);
  box-shadow: 0 0 12px rgba(34, 197, 94, 0.4);
  animation: pulseGlow 2s ease-in-out infinite;
}

.stat-icon.offline {
  color: var(--color-danger);
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  font-feature-settings: 'tnum' on;
}

.stat-label {
  color: var(--text-dim);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: var(--font-weight-medium);
}

/* Account Card */
.account-card {
  background: var(--surface-2);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  transition: var(--transition);
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--elevation-1);
}

.account-card:hover {
  background: var(--surface);
  transform: translateX(3px);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: var(--elevation-2);
}

.account-card-info {
  flex: 1;
}

.account-card-number {
  font-weight: var(--font-weight-bold);
  color: var(--text);
  font-size: var(--font-size-base);
  margin-bottom: 4px;
}

.account-card-nickname {
  color: var(--text-dim);
  font-size: var(--font-size-sm);
}

.account-card-actions {
  display: flex;
  gap: 6px;
}

/* Copy Pair Card */
.copy-pair-card {
  background: var(--surface-2);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  padding: 16px;
  transition: var(--transition);
  box-shadow: var(--elevation-1);
}

.copy-pair-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--elevation-2);
  border-color: rgba(255, 255, 255, 0.10);
}

/* Plan Item Card */
.plan-item-card {
  background: var(--surface-2);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  padding: 16px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--elevation-1);
}

.plan-item-card:hover {
  background: var(--surface);
  transform: translateY(-2px);
  box-shadow: var(--elevation-2);
  border-color: rgba(255, 255, 255, 0.10);
}

.plan-card {
  transition: all 0.3s ease;
}

/* =================== Responsive =================== */

@media (max-width: 480px) {
  .stat-card {
    flex-direction: column;
    text-align: center;
  }
}