/* Gamification CSS for Spelling Practice App */

/* Leaderboard styles */
.leaderboard-container {
  margin-top: 1rem;
}

.leaderboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.leaderboard-tabs {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.leaderboard-tab {
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  cursor: pointer;
  background-color: var(--bg-secondary);
  transition: all 0.2s ease;
}

.leaderboard-tab.active {
  background-color: var(--primary);
  color: white;
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius);
  overflow: hidden;
}

.leaderboard-table th {
  background-color: var(--bg-secondary);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
}

.leaderboard-table tr:nth-child(even) {
  background-color: var(--bg-secondary);
}

.leaderboard-table tr:hover {
  background-color: var(--bg-hover);
}

.leaderboard-table td {
  padding: 0.75rem 1rem;
}

.leaderboard-rank {
  font-weight: 700;
  text-align: center;
  width: 3rem;
}

.leaderboard-value {
  font-weight: 600;
  text-align: right;
}

.leaderboard-date {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: right;
}

/* Top ranks */
.leaderboard-table tr:nth-child(1) .leaderboard-rank {
  color: gold;
}

.leaderboard-table tr:nth-child(2) .leaderboard-rank {
  color: silver;
}

.leaderboard-table tr:nth-child(3) .leaderboard-rank {
  color: #cd7f32; /* bronze */
}

/* Challenges styles */
.challenges-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.challenge-card {
  background-color: var(--bg-secondary);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: all 0.2s ease;
}

.challenge-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.challenge-card.daily {
  border-left: 4px solid var(--primary);
}

.challenge-card.weekly {
  border-left: 4px solid var(--accent);
}

.challenge-card.achievement {
  border-left: 4px solid var(--success);
}

.challenge-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.challenge-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
}

.challenge-badge {
  font-size: 0.9rem;
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
  background-color: var(--bg-primary);
}

.challenge-badge.daily {
  background-color: var(--primary-soft);
  color: var(--primary);
}

.challenge-badge.weekly {
  background-color: var(--accent-soft);
  color: var(--accent);
}

.challenge-badge.achievement {
  background-color: var(--success-soft);
  color: var(--success);
}

.challenge-description {
  margin: 0.5rem 0;
  color: var(--text-secondary);
}

.challenge-progress {
  margin-top: 1rem;
}

.progress-bar-container {
  width: 100%;
  height: 0.5rem;
  background-color: var(--bg-primary);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 0.5rem 0;
}

.progress-bar-fill {
  height: 100%;
  background-color: var(--primary);
  transition: width 0.3s ease;
}

.progress-bar-fill.daily {
  background-color: var(--primary);
}

.progress-bar-fill.weekly {
  background-color: var(--accent);
}

.progress-bar-fill.achievement {
  background-color: var(--success);
}

.challenge-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
}

.challenge-meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.challenge-reward {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.challenge-points {
  font-weight: 600;
  color: var(--primary);
}

.challenge-complete-btn {
  padding: 0.5rem 1rem;
  background-color: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.challenge-complete-btn:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
}

.challenge-complete-btn:active {
  transform: translateY(0);
}

.challenge-complete-btn.completed {
  background-color: var(--success);
  pointer-events: none;
}

.challenge-complete-btn.locked {
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  cursor: not-allowed;
}

/* User profile stats */
.user-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background-color: var(--bg-secondary);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  margin: 0.25rem 0;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Streak indicator */
.streak-container {
  display: flex;
  align-items: center;
  gap: 1rem;
  background-color: var(--bg-secondary);
  border-radius: var(--radius);
  padding: 0.75rem 1.25rem;
  margin-bottom: 1.5rem;
}

.streak-flame {
  font-size: 1.5rem;
}

.streak-info {
  flex: 1;
}

.streak-days {
  font-weight: 600;
  font-size: 1.1rem;
}

.streak-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.streak-progress {
  display: flex;
  gap: 0.35rem;
  margin-top: 0.5rem;
}

.streak-day {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background-color: var(--bg-primary);
}

.streak-day.active {
  background-color: var(--primary);
}

/* Achievements grid */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .user-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .challenge-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .challenge-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
}