/* ═══════════════════════════════════════════════════════
   LEADERBOARD — Rankings and statistics display
   ═══════════════════════════════════════════════════════ */

/* Hero Section */
.leaderboard__hero {
  text-align: center;
  padding: var(--space-8) 0;
}

.leaderboard__title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-2xl);
  color: var(--vertex-blue);
  margin-bottom: var(--space-6);
}

.leaderboard__title span {
  color: var(--vertex-gold);
}

/* Aggregate Stats */
.aggregate-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
  max-width: 800px;
  margin: 0 auto;
}

.stat-card--large .stat-card__value {
  font-size: var(--text-3xl);
}

/* Leaderboard List */
.leaderboard__table {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-6) 0;
}

.leaderboard-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.leaderboard-row {
  display: grid;
  grid-template-columns: 60px 1fr auto 2fr;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-4) var(--space-5);
  background: var(--white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-fast) var(--ease-out);
}

.leaderboard-row:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.leaderboard-row--current {
  border-color: var(--vertex-gold);
  background: var(--accent-archive-dim);
}

/* Points Display */
.leaderboard-row__points {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  background: var(--gradient-gold);
  border-radius: var(--radius-md);
  color: var(--white);
}

.leaderboard-row__points-value {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
}

.leaderboard-row__points-label {
  font-size: var(--text-xs);
  opacity: 0.9;
}

/* Rank */
.leaderboard-row__rank {
  font-family: var(--font-display);
  font-weight: var(--weight-extrabold);
  font-size: var(--text-xl);
  text-align: center;
}

.leaderboard-row__rank--gold {
  color: #ffd700;
}

.leaderboard-row__rank--silver {
  color: #c0c0c0;
}

.leaderboard-row__rank--bronze {
  color: #cd7f32;
}

/* User Info */
.leaderboard-row__user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.leaderboard-row__avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-xs);
  color: var(--bg-primary);
  flex-shrink: 0;
}

.leaderboard-row__name {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-base);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Stats */
.leaderboard-row__stats {
  display: flex;
  gap: var(--space-6);
  justify-content: flex-end;
}

.leaderboard-row__stat {
  text-align: center;
  min-width: 70px;
}

.leaderboard-row__stat-value {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
  display: block;
}

.leaderboard-row__stat-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
}

.leaderboard-row__stat--delete .leaderboard-row__stat-value {
  color: var(--accent-delete);
}

.leaderboard-row__stat--rename .leaderboard-row__stat-value {
  color: var(--accent-rename);
}

/* Skeleton Loading */
.skeleton-row {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Responsive */
@media (max-width: 768px) {
  .leaderboard-row {
    grid-template-columns: 50px 1fr auto;
    grid-template-rows: auto auto;
  }

  .leaderboard-row__stats {
    grid-column: 1 / -1;
    justify-content: space-between;
    padding-top: var(--space-3);
    border-top: 1px solid var(--border-subtle);
    margin-top: var(--space-2);
  }

  .leaderboard-row__stat {
    min-width: 50px;
  }

  .leaderboard-row__points {
    padding: var(--space-1) var(--space-2);
  }

  .leaderboard-row__points-value {
    font-size: var(--text-base);
  }
}

@media (max-width: 480px) {
  .leaderboard__title {
    font-size: var(--text-2xl);
  }

  .aggregate-stats {
    grid-template-columns: 1fr;
  }

  .leaderboard-row__stats {
    flex-wrap: wrap;
    gap: var(--space-3);
  }
}