/* Referral Dashboard Styles */

.referral-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Stats Cards */
.referral-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.referral-stat-card {
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid var(--border-color);
  transition: transform 0.2s, box-shadow 0.2s;
}

.referral-stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.referral-stat-value {
  font-size: 2.5rem;
  font-weight: bold;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.referral-stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Referral Code Card */
.referral-code-card {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 2rem;
  border-radius: var(--radius-lg);
  margin-bottom: 2rem;
  color: white;
  box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
  position: relative;
  overflow: hidden;
}

.referral-code-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.code-display {
  background: rgba(255,255,255,0.2);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  text-align: center;
  margin: 1rem 0;
  backdrop-filter: blur(10px);
}

.code-text {
  font-size: 2.5rem;
  font-weight: bold;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.qr-code-container {
  background: rgba(255,255,255,0.2);
  padding: 1rem;
  border-radius: var(--radius-md);
  text-align: center;
  backdrop-filter: blur(10px);
}

#qr-code {
  background: white;
  padding: 0.5rem;
  border-radius: var(--radius-md);
  display: inline-block;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* Share Buttons */
.share-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.share-button {
  padding: 0.75rem 1rem;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.2);
  color: white;
  backdrop-filter: blur(10px);
}

.share-button:hover {
  background: rgba(255,255,255,0.3);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.share-button:active {
  transform: translateY(0);
}

/* Tabs */
.referral-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--border-color);
  overflow-x: auto;
  scrollbar-width: thin;
}

.referral-tab {
  padding: 0.75rem 1.5rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s;
  white-space: nowrap;
}

.referral-tab:hover {
  color: var(--text-primary);
  background: rgba(var(--primary-rgb), 0.05);
}

.referral-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: rgba(var(--primary-rgb), 0.1);
}

/* Tab Content */
.referral-tab-content {
  display: none;
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  animation: fadeIn 0.3s ease-in;
}

.referral-tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Earnings Table */
.earnings-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.earnings-table th,
.earnings-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.earnings-table th {
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.75rem;
  background: var(--bg-tertiary);
}

.earnings-table tbody tr {
  transition: background 0.2s;
}

.earnings-table tbody tr:hover {
  background: var(--bg-tertiary);
}

/* Earnings Summary */
.earnings-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(16,185,129,0.1) 0%, rgba(5,150,105,0.1) 100%);
  border-radius: var(--radius-md);
  border: 1px solid rgba(16,185,129,0.2);
}

.earnings-summary-item {
  text-align: center;
}

.earnings-summary-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.earnings-summary-value {
  font-size: 1.75rem;
  font-weight: bold;
  color: #10b981;
}

/* Milestone Cards */
.milestone-card {
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--border-color);
  margin-bottom: 1rem;
  background: var(--bg-tertiary);
  transition: all 0.3s;
}

.milestone-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow);
}

.milestone-card.achieved {
  background: linear-gradient(135deg, rgba(16,185,129,0.15) 0%, rgba(5,150,105,0.15) 100%);
  border-left-color: #10b981;
}

.milestone-icon {
  font-size: 2.5rem;
  margin-right: 1rem;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.milestone-rewards {
  margin: 0;
  padding-left: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.milestone-rewards li {
  margin: 0.25rem 0;
}

/* Progress Bar */
.milestone-progress-bar {
  background: rgba(255,255,255,0.1);
  border-radius: 999px;
  height: 28px;
  overflow: hidden;
  margin: 1rem 0;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
}

.milestone-progress-fill {
  background: linear-gradient(90deg, #f59e0b, #f97316);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 0.875rem;
  transition: width 0.5s ease-in-out;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
}

/* Info Banner */
.referral-info-banner {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  color: white;
  margin-bottom: 2rem;
  box-shadow: 0 10px 30px rgba(240, 147, 251, 0.3);
}

.referral-info-banner h4 {
  margin: 0 0 0.5rem 0;
  font-size: 1.25rem;
}

.referral-info-banner ul {
  margin: 0;
  padding-left: 1.5rem;
  font-size: 0.875rem;
  line-height: 1.8;
}

.referral-info-banner li {
  margin: 0.25rem 0;
}

/* Filter Controls */
.filter-controls {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.filter-select {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-select:hover {
  border-color: var(--primary);
}

.filter-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Badge Styles */
.status-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-badge.active {
  background: #10b981;
  color: white;
}

.status-badge.inactive {
  background: #6b7280;
  color: white;
}

.source-badge {
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.source-badge.entry-fee {
  background: #3b82f6;
  color: white;
}

.source-badge.token-purchase {
  background: #8b5cf6;
  color: white;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.empty-state-description {
  font-size: 0.875rem;
  line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 768px) {
  .referral-container {
    padding: 1rem;
  }

  .referral-code-card {
    padding: 1.5rem;
  }

  .code-text {
    font-size: 1.75rem;
  }

  .referral-stat-value {
    font-size: 2rem;
  }

  .share-buttons {
    grid-template-columns: repeat(2, 1fr);
  }

  .earnings-summary {
    grid-template-columns: 1fr;
  }

  .earnings-table {
    font-size: 0.75rem;
  }

  .earnings-table th,
  .earnings-table td {
    padding: 0.5rem;
  }
}

/* Dark Theme Specific */
[data-theme="dark"] .referral-stat-card {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .referral-tab-content {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .milestone-card {
  background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .earnings-table th {
  background: rgba(255, 255, 255, 0.05);
}

/* Animation for copy confirmation */
@keyframes copySuccess {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

.copy-success {
  animation: copySuccess 0.3s ease-in-out;
}

/* Tooltip for QR Code */
.qr-tooltip {
  position: relative;
}

.qr-tooltip::after {
  content: 'Scan to share';
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.qr-tooltip:hover::after {
  opacity: 1;
}

/* Loading State */
.loading-skeleton {
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
  height: 1rem;
  margin: 0.5rem 0;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}