/**
 * Real-Time Leaderboard Styles
 * Newsroom aesthetic - clean, fast, credible
 * Mission: Signal over noise, credibility at speed
 */

/* Leaderboard Container */
.leaderboard-realtime {
  background: rgba(15, 15, 35, 0.6);
  border: 1px solid rgba(74, 144, 226, 0.2);
  border-radius: 8px;
  padding: 20px;
  font-family: 'Inter', sans-serif;
}

/* Header */
.leaderboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(74, 144, 226, 0.2);
}

.leaderboard-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: white;
  margin: 0;
  letter-spacing: -0.3px;
}

.leaderboard-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
}

/* Presence Indicator */
.presence-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.7);
}

.presence-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #2ecc71;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.presence-dot::before {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  background: #2ecc71;
  border-radius: 50%;
  opacity: 0.5;
  animation: pulse-ring 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 0.5;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

.active-users {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
}

/* Real-time Badge */
.realtime-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(74, 144, 226, 0.1);
  border: 1px solid rgba(74, 144, 226, 0.2);
  border-radius: 4px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
  letter-spacing: 0.3px;
}

.realtime-badge.connected {
  color: rgba(255, 255, 255, 0.9);
  border-color: rgba(74, 144, 226, 0.4);
  background: rgba(74, 144, 226, 0.15);
}

.realtime-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  flex-shrink: 0;
}

.realtime-badge.connected .realtime-dot {
  background: #2ecc71;
  animation: pulse 2s ease-in-out infinite;
  box-shadow: 0 0 4px rgba(46, 204, 113, 0.5);
}

/* Leaderboard List */
.leaderboard-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 500px;
  overflow-y: auto;
  padding-right: 4px;
}

.leaderboard-list::-webkit-scrollbar {
  width: 6px;
}

.leaderboard-list::-webkit-scrollbar-track {
  background: rgba(74, 144, 226, 0.1);
  border-radius: 3px;
}

.leaderboard-list::-webkit-scrollbar-thumb {
  background: rgba(74, 144, 226, 0.4);
  border-radius: 3px;
}

.leaderboard-list::-webkit-scrollbar-thumb:hover {
  background: rgba(74, 144, 226, 0.6);
}

/* Leaderboard Item */
.leaderboard-item {
  display: grid;
  grid-template-columns: 40px 1fr auto 120px;
  gap: 12px;
  align-items: center;
  padding: 12px;
  background: rgba(74, 144, 226, 0.05);
  border: 1px solid rgba(74, 144, 226, 0.1);
  border-radius: 6px;
  transition: all 0.2s ease;
}

.leaderboard-item:hover {
  background: rgba(74, 144, 226, 0.1);
  border-color: rgba(74, 144, 226, 0.3);
  transform: translateX(2px);
}

.leaderboard-item.current-user {
  background: rgba(74, 144, 226, 0.15);
  border-color: #4A90E2;
  box-shadow: 0 0 10px rgba(74, 144, 226, 0.2);
}

/* Rank */
.leaderboard-item .rank {
  font-size: 1rem;
  font-weight: 700;
  color: #4A90E2;
  text-align: center;
  min-width: 40px;
}

.leaderboard-item.current-user .rank {
  color: #6BB3FF;
}

/* Name */
.leaderboard-item .name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  color: white;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Presence Badge */
.presence-badge {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #2ecc71;
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulse 2s ease-in-out infinite;
  margin-left: 6px;
  box-shadow: 0 0 4px rgba(46, 204, 113, 0.4);
}

.presence-badge.active {
  background: #2ecc71;
}

.presence-badge:not(.active) {
  display: none;
}

/* Score */
.leaderboard-item .score {
  font-size: 1.1rem;
  font-weight: 700;
  color: #4A90E2;
  text-align: right;
  min-width: 80px;
}

.leaderboard-item.current-user .score {
  color: #6BB3FF;
}

/* Metrics */
.leaderboard-item .metrics {
  display: flex;
  gap: 8px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  grid-column: 1 / -1;
  margin-top: 4px;
  padding-top: 8px;
  border-top: 1px solid rgba(74, 144, 226, 0.1);
}

.metric {
  padding: 2px 6px;
  background: rgba(74, 144, 226, 0.1);
  border-radius: 4px;
  font-weight: 500;
}

.metric.accuracy {
  color: #2ecc71;
}

.metric.speed {
  color: #4A90E2;
}

/* Empty State */
.leaderboard-empty {
  text-align: center;
  padding: 40px 20px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
}

/* Responsive */
@media (max-width: 768px) {
  .leaderboard-realtime {
    padding: 16px;
  }
  
  .leaderboard-item {
    grid-template-columns: 35px 1fr auto;
    gap: 8px;
  }
  
  .leaderboard-item .metrics {
    grid-column: 1 / -1;
  }
  
  .leaderboard-item .score {
    font-size: 1rem;
    min-width: 70px;
  }
  
  .leaderboard-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  
  .leaderboard-meta {
    width: 100%;
    justify-content: space-between;
  }
}

/* Animation for new entries */
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.leaderboard-item {
  animation: slideIn 0.3s ease-out;
}

/* Top three styling (if needed) */
.leaderboard-item.top-three {
  background: rgba(255, 215, 0, 0.1);
  border-color: rgba(255, 215, 0, 0.3);
}

.leaderboard-item.top-three .rank {
  color: #FFD700;
}