/* Stat Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  box-shadow: var(--card-shadow);
  transition: box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              border-color 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Staggered animation for cards */
.stats-grid .stat-card:nth-child(1) { animation-delay: 0.02s; }
.stats-grid .stat-card:nth-child(2) { animation-delay: 0.04s; }
.stats-grid .stat-card:nth-child(3) { animation-delay: 0.06s; }
.stats-grid .stat-card:nth-child(4) { animation-delay: 0.08s; }
.stats-grid .stat-card:nth-child(5) { animation-delay: 0.10s; }
.stats-grid .stat-card:nth-child(6) { animation-delay: 0.12s; }
.stats-grid .stat-card:nth-child(7) { animation-delay: 0.14s; }

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  opacity: 0.8;
}

.stat-card.total::before {
  background: var(--primary-color);
}

.stat-card.successful::before {
  background: var(--success-color);
}

.stat-card.failed::before {
  background: var(--danger-color);
}

.stat-card.tokens::before {
  background: var(--warning-color);
}

.stat-card.queue::before {
  background: var(--info-color);
}

.stat-card.cost::before {
  background: var(--secondary-color);
}

.stat-card.inactive::before {
  background: #6366f1;
}

.stat-card:hover {
  box-shadow: var(--card-shadow-hover);
  border-color: var(--input-border);
  transform: translateY(-1px);
}

.stat-card:hover::before {
  opacity: 1;
  height: 2.5px;
  transition: height 0.25s ease, opacity 0.25s ease;
}

.stat-card::before {
  transition: height 0.25s ease, opacity 0.25s ease;
}

.stat-card .stat-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  margin-bottom: 8px;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              background 0.25s ease;
}

.stat-card:hover .stat-icon {
  transform: scale(1.08);
}

.stat-card .stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.stat-card .stat-value {
  font-size: 24px;
  color: var(--text-primary);
}

.stat-card.total .stat-icon {
  background: var(--bg-card-icon-total);
  color: var(--primary-color);
}

.stat-card.successful .stat-icon {
  background: var(--bg-card-icon-success);
  color: var(--success-color);
}

.stat-card.failed .stat-icon {
  background: var(--bg-card-icon-danger);
  color: var(--danger-color);
}

.stat-card.tokens .stat-icon {
  background: var(--bg-card-icon-warning);
  color: var(--warning-color);
}

.stat-card.queue .stat-icon {
  background: var(--bg-card-icon-info);
  color: var(--info-color);
}

.stat-card.cost .stat-icon {
  background: var(--bg-card-icon-secondary);
  color: var(--secondary-color);
}

.stat-card.inactive .stat-icon {
  background: var(--bg-card-icon-indigo);
  color: #6366f1;
}

/* Stat trend indicator */
.stat-trend {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-left: 8px;
}

.stat-trend.up {
  color: var(--success-color);
  background: var(--bg-trend-up);
}

.stat-trend.down {
  color: var(--danger-color);
  background: var(--bg-trend-down);
}

/* Queue card improvements */
.stat-card.queue {
  min-height: 140px;
  max-height: 180px;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.stat-card.queue::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(14, 165, 233, 0.03) 0%, transparent 60%);
  pointer-events: none;
  transition: opacity 0.4s ease;
  opacity: 0;
}

.stat-card.queue:hover::after {
  opacity: 1;
}

.stat-card.queue:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-1px);
}

.queue-info {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.queue-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.queue-total {
  font-size: 11px;
  color: var(--text-muted);
}

.queue-summary {
  margin-bottom: 6px;
}

.queue-active {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.queue-active strong {
  color: var(--text-primary);
  font-weight: 600;
}

.queue-top-model {
  margin-bottom: 6px;
}

.queue-model-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 3px 0;
  border-bottom: 1px solid var(--card-border);
  font-size: 11px;
}

.queue-model-row:last-child {
  border-bottom: none;
}

.queue-model-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.queue-model-info {
  display: flex;
  align-items: center;
  min-width: 0;
  flex: 1;
}

.queue-model-status {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-right: 5px;
  flex-shrink: 0;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.queue-model-status.healthy {
  background: var(--success-color);
  box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.3);
}

.queue-model-status.unhealthy {
  background: var(--danger-color);
}

.queue-model-status.hot {
  animation: pulse-hot 1.8s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  background: var(--danger-color);
}

@keyframes pulse-hot {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.5);
    opacity: 1;
  }
  50% {
    box-shadow: 0 0 0 5px rgba(220, 38, 38, 0);
    opacity: 0.85;
  }
}

.queue-model-name {
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px;
}

.queue-model-stats {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.queue-model-waiting {
  font-size: 10px;
  color: var(--text-muted);
}

.queue-model-active {
  font-size: 10px;
  color: var(--text-secondary);
  font-weight: 600;
}

.queue-load-bar.mini {
  height: 2px;
  margin-top: 2px;
  max-width: 100px;
  margin-left: auto;
}

.queue-empty {
  text-align: center;
  color: var(--text-muted);
  font-size: 11px;
  padding: 10px 0;
}

.queue-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  font-size: 10px;
  color: var(--text-muted);
  margin-top: auto;
  padding-top: 4px;
  transition: color 0.2s ease;
}

.stat-card.queue:hover .queue-footer {
  color: var(--text-secondary);
}

.queue-footer-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.queue-footer i {
  font-size: 10px;
  flex-shrink: 0;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-card.queue:hover .queue-footer i {
  transform: translateX(2px);
}

/* Queue load bar */
.queue-load-bar {
  height: 4px;
  background: var(--bg-queue-load-bar);
  border-radius: var(--radius-sm);
  margin-top: 8px;
  overflow: hidden;
}

.queue-load-bar .fill {
  height: 100%;
  border-radius: var(--radius-sm);
  transition: width 0.3s ease, background 0.3s ease;
}

.queue-load-bar .fill.low {
  background: var(--success-color);
}

.queue-load-bar .fill.medium {
  background: var(--warning-color);
}

.queue-load-bar .fill.high {
  background: var(--danger-color);
}

/* Responsive */
@media (max-width: 1400px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 992px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 992px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* Add button in card headers */
.btn-add {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  padding: 0;
  font-size: 16px;
  background: var(--primary-color);
  color: #fff;
  border: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 1px 3px rgba(14, 165, 233, 0.25);
}

.btn-add:hover {
  transform: scale(1.1);
  background: var(--secondary-color);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.35);
}

.btn-add:active {
  transform: scale(0.95);
}

/* Table toolbar — search input */
.table-toolbar {
  margin-bottom: 12px;
}

.table-search-wrapper {
  position: relative;
  max-width: 320px;
}

.table-search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
  pointer-events: none;
}

.table-search-input {
  width: 100%;
  padding: 7px 32px 7px 32px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--text-primary);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  outline: none;
}

.table-search-input::placeholder {
  color: var(--text-muted);
}

.table-search-input:focus {
  border-color: var(--primary-color);
  box-shadow: var(--focus-ring-subtle);
}

.table-search-clear {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: var(--radius-sm);
  transition: color 0.15s ease, background-color 0.15s ease;
}

.table-search-clear:hover {
  color: var(--text-primary);
  background-color: var(--bg-tab-hover);
}