/* ==========================================================================
   Email Marketing Page Styles
   ========================================================================== */

/* Email Overview Cards */
.email-overview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

@media (max-width: 1200px) {
  .email-overview {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .email-overview {
    grid-template-columns: 1fr;
  }
}

/* List Health Section */
.list-health-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

@media (max-width: 1024px) {
  .list-health-section {
    grid-template-columns: 1fr;
  }
}

.list-health-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  padding: var(--space-6);
}

.list-health-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.list-health-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.list-health-summary {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border-light);
}

.list-health-metric {
  text-align: center;
}

.list-health-metric-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.list-health-metric-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

/* Subscriber Flow */
.subscriber-flow {
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: var(--space-4);
  background: var(--color-background);
  border-radius: var(--radius-lg);
}

.subscriber-flow-item {
  text-align: center;
}

.subscriber-flow-value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}

.subscriber-flow-value-positive {
  color: var(--color-green);
}

.subscriber-flow-value-negative {
  color: var(--color-red);
}

.subscriber-flow-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

.subscriber-flow-arrow {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-xl);
}

/* Campaign Performance Section */
.campaign-performance-section {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.campaign-rates {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

@media (max-width: 768px) {
  .campaign-rates {
    grid-template-columns: 1fr;
  }
}

.campaign-rate-card {
  text-align: center;
  padding: var(--space-5);
  background: var(--color-background);
  border-radius: var(--radius-lg);
}

.campaign-rate-value {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.campaign-rate-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.campaign-rate-benchmark {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

.campaign-rate-benchmark-indicator {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
}

.campaign-rate-benchmark-above {
  background: var(--color-green);
}

.campaign-rate-benchmark-below {
  background: var(--color-red);
}

/* Email Funnel */
.email-funnel {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.email-funnel-header {
  margin-bottom: var(--space-5);
}

.email-funnel-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.email-funnel-stages {
  display: flex;
  align-items: stretch;
  gap: var(--space-4);
}

@media (max-width: 768px) {
  .email-funnel-stages {
    flex-direction: column;
  }
}

.email-funnel-stage {
  flex: 1;
  padding: var(--space-4);
  background: var(--color-background);
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
}

.email-funnel-stage::after {
  content: '';
  position: absolute;
  right: calc(-1 * var(--space-4) - 8px);
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid var(--color-border);
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
}

.email-funnel-stage:last-child::after {
  display: none;
}

@media (max-width: 768px) {
  .email-funnel-stage::after {
    right: 50%;
    top: auto;
    bottom: calc(-1 * var(--space-4) - 8px);
    transform: translateX(50%) rotate(90deg);
  }
}

.email-funnel-stage-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.email-funnel-stage-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

.email-funnel-stage-rate {
  font-size: var(--font-size-xs);
  color: var(--color-blue);
  margin-top: var(--space-2);
  font-weight: var(--font-weight-medium);
}

/* Top Campaigns Table */
.top-campaigns-section {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.top-campaigns-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border-light);
}

.top-campaigns-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

/* Campaign Row */
.campaign-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border-light);
  transition: background var(--transition-fast);
}

.campaign-row:hover {
  background: var(--color-background);
}

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

.campaign-rank {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--color-background);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.campaign-content {
  flex: 1;
  min-width: 0;
}

.campaign-subject {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.campaign-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.campaign-stats {
  display: flex;
  gap: var(--space-6);
  flex-shrink: 0;
}

.campaign-stat {
  text-align: right;
}

.campaign-stat-value {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.campaign-stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

/* Theme Badge in Campaign */
.theme-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-2);
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  border-radius: var(--radius-sm);
  background: var(--color-background);
  color: var(--color-text-secondary);
}

.theme-badge-promotional {
  background: var(--color-green-light);
  color: var(--color-green);
}

.theme-badge-educational {
  background: var(--color-purple-light);
  color: var(--color-purple);
}

.theme-badge-newsletter {
  background: var(--color-info-bg);
  color: var(--color-blue);
}

.theme-badge-announcement {
  background: var(--color-orange-light);
  color: var(--color-orange);
}

.theme-badge-seasonal {
  background: var(--color-red-light);
  color: var(--color-red);
}