/* Leaderboard */
.leaderboard {
  background-color: var(--color-bg-elevated);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  overflow: hidden;
  margin-bottom: var(--space-12);
}

/* Header Row */
/* Column order: Rank | Guide | Lv | Points | Views | Photos | V/P | Reviews */
.leaderboard__header {
  display: grid;
  grid-template-columns: 50px 1fr 50px 90px 90px 80px 70px 80px;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-bg-hover);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.leaderboard__col {
  display: flex;
  align-items: center;
}

.leaderboard__col--rank {
  justify-content: center;
}

.leaderboard__col--level,
.leaderboard__col--points,
.leaderboard__col--reviews,
.leaderboard__col--photos,
.leaderboard__col--photo-views,
.leaderboard__col--avg-views {
  justify-content: center;
}

/* Sort Buttons */
.leaderboard__sort-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  background: none;
  border: none;
  padding: var(--space-1) var(--space-2);
  margin: calc(var(--space-1) * -1);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.leaderboard__sort-btn:hover {
  background-color: var(--color-bg-elevated);
  color: var(--color-text);
}

.leaderboard__sort-btn.active {
  color: var(--color-primary);
}

.leaderboard__sort-btn .sort-icon {
  opacity: 0.3;
  transition: opacity var(--transition-fast);
}

.leaderboard__sort-btn:hover .sort-icon,
.leaderboard__sort-btn.active .sort-icon {
  opacity: 1;
}

/* Sort Icon Arrows */
.leaderboard__sort-btn .sort-asc,
.leaderboard__sort-btn .sort-desc {
  display: none;
}

.leaderboard__sort-btn.active.asc .sort-asc {
  display: block;
}

.leaderboard__sort-btn.active.desc .sort-desc,
.leaderboard__sort-btn.active:not(.asc) .sort-desc {
  display: block;
}

/* Body */
.leaderboard__body {
  max-height: 700px;
  overflow-y: scroll; /* Always show scrollbar to prevent layout shift */
}

/* Scrollbar Styling */
.leaderboard__body::-webkit-scrollbar {
  width: 8px;
}

.leaderboard__body::-webkit-scrollbar-track {
  background: var(--color-bg);
}

.leaderboard__body::-webkit-scrollbar-thumb {
  background-color: var(--color-border);
  border-radius: var(--radius-full);
}

.leaderboard__body::-webkit-scrollbar-thumb:hover {
  background-color: var(--color-border-hover);
}

/* Row */
/* Column order: Rank | Guide | Lv | Points | Views | Photos | V/P | Reviews */
.leaderboard__row {
  display: grid;
  grid-template-columns: 50px 1fr 50px 90px 90px 80px 70px 80px;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-fast);
  align-items: center;
  cursor: pointer;
}

.leaderboard__row:last-child {
  border-bottom: none;
}

.leaderboard__row:hover {
  background-color: var(--color-bg-hover);
}

/* Top 3 Highlight */
.leaderboard__row--top-1 {
  background: linear-gradient(90deg, rgba(251, 191, 36, 0.1) 0%, transparent 100%);
}

.leaderboard__row--top-2 {
  background: linear-gradient(90deg, rgba(156, 163, 175, 0.1) 0%, transparent 100%);
}

.leaderboard__row--top-3 {
  background: linear-gradient(90deg, rgba(217, 119, 6, 0.1) 0%, transparent 100%);
}

/* Pinned (My Profile) */
.leaderboard__row--pinned {
  background: linear-gradient(90deg, rgba(59, 130, 246, 0.15) 0%, rgba(59, 130, 246, 0.05) 100%);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  position: sticky;
  top: 0;
  z-index: 10;
}

.leaderboard__row--pinned .leaderboard__user-name {
  color: var(--color-primary);
  font-weight: var(--font-semibold);
}

/* Row Cells */
.leaderboard__rank {
  display: flex;
  justify-content: center;
}

.leaderboard__user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.leaderboard__user-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.leaderboard__user-name {
  font-weight: var(--font-medium);
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-decoration: none;
  transition: color 0.15s ease;
}

.leaderboard__user-name:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.leaderboard__user-country {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  cursor: pointer;
  transition: color 0.15s ease;
}

.leaderboard__user-country:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.leaderboard__user-country--empty {
  color: var(--color-primary);
  font-style: italic;
  opacity: 0.7;
}

.leaderboard__user-country--empty:hover {
  opacity: 1;
}

.leaderboard__user-badges {
  display: flex;
  gap: var(--space-1);
  margin-left: auto;
}

.leaderboard__badge {
  font-size: var(--text-xs);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-weight: var(--font-medium);
}

.leaderboard__badge--new {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.leaderboard__badge--levelup {
  background-color: #d1fae5;
  color: #059669;
}

.leaderboard__badge--googler {
  background-color: #fef3c7;
  color: #d97706;
}

.leaderboard__badge--pending {
  background-color: #fef3c7;
  color: #b45309;
}

.leaderboard__badge--syncing {
  background-color: #dbeafe;
  color: #2563eb;
}

.leaderboard__badge--submit {
  background-color: #f3e8ff;
  color: #7c3aed;
}

.leaderboard__level {
  display: flex;
  justify-content: center;
}

.leaderboard__points,
.leaderboard__reviews,
.leaderboard__photos,
.leaderboard__photo-views,
.leaderboard__avg-views {
  display: flex;
  justify-content: center;
  font-weight: var(--font-medium);
  font-variant-numeric: tabular-nums;
  font-size: var(--text-sm);
}

.leaderboard__photo-views {
  color: var(--color-primary);
  font-weight: var(--font-semibold);
}

.leaderboard__avg-views {
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
}

/* Empty State */
.leaderboard__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-16);
  color: var(--color-text-tertiary);
}

.leaderboard__empty svg {
  width: 64px;
  height: 64px;
}

.leaderboard__empty p {
  font-size: var(--text-lg);
}

/* Loading State */
.leaderboard__loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-16);
  color: var(--color-text-tertiary);
}

/* Animation */
.leaderboard__row {
  animation: fadeInUp 0.3s ease forwards;
  opacity: 0;
}

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

.leaderboard__row:nth-child(1) { animation-delay: 0.02s; }
.leaderboard__row:nth-child(2) { animation-delay: 0.04s; }
.leaderboard__row:nth-child(3) { animation-delay: 0.06s; }
.leaderboard__row:nth-child(4) { animation-delay: 0.08s; }
.leaderboard__row:nth-child(5) { animation-delay: 0.1s; }
.leaderboard__row:nth-child(6) { animation-delay: 0.12s; }
.leaderboard__row:nth-child(7) { animation-delay: 0.14s; }
.leaderboard__row:nth-child(8) { animation-delay: 0.16s; }
.leaderboard__row:nth-child(9) { animation-delay: 0.18s; }
.leaderboard__row:nth-child(10) { animation-delay: 0.2s; }

/* Row Action */
.leaderboard__row-action {
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.leaderboard__row:hover .leaderboard__row-action {
  opacity: 1;
}

/* Refresh Button */
.leaderboard__refresh-btn {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: auto;
  padding: var(--space-1) var(--space-2);
  background-color: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.leaderboard__refresh-btn:hover {
  background-color: var(--color-primary-hover);
  transform: scale(1.02);
}

.leaderboard__refresh-btn:active {
  transform: scale(0.98);
}

.leaderboard__refresh-btn:disabled {
  background-color: var(--color-text-tertiary);
  cursor: not-allowed;
  opacity: 0.6;
}

.leaderboard__refresh-btn:disabled:hover {
  transform: none;
}

.leaderboard__refresh-btn svg {
  flex-shrink: 0;
}

.leaderboard__refresh-btn--loading svg {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}