.sd-hero {
  position: relative;
  z-index: 10;
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in hsl, var(--color-surface) 40%, var(--color-bg));
}

.sd-hero-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.sd-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  margin: 0 0 var(--space-1) 0;
  color: var(--color-primary);
}

.sd-subtitle {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
  max-width: 480px;
}

.sd-container {
  padding-top: var(--space-5);
  padding-bottom: var(--space-7);
}

.sd-tabs {
  display: flex;
  gap: 6px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-4);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.sd-tab {
  appearance: none;
  background: transparent;
  border: 1px solid transparent;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  padding: var(--space-2) var(--space-4);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-muted);
  cursor: pointer;
  transition: color 120ms ease, border-color 120ms ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.sd-tab:hover {
  color: var(--color-text);
}

.sd-tab.is-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.sd-tab:focus-visible {
  outline: 2px solid var(--color-link);
  outline-offset: 2px;
}

.sd-panels {
  min-height: 300px;
  min-width: 0;
}

.sd-panel {
  display: none;
  min-width: 0;
}

.sd-panel.is-active {
  display: block;
}

.sd-controls {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
  align-items: center;
}

.sd-search {
  flex: 1;
  min-width: 0;
  max-width: 360px;
  padding: var(--space-2) var(--space-4);
  background: color-mix(in hsl, var(--color-surface) 80%, var(--color-bg));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  transition: border-color 150ms ease;
}

.sd-search::placeholder {
  color: var(--color-muted);
  opacity: 0.7;
}

.sd-search:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px color-mix(in hsl, var(--color-primary) 20%, transparent);
}

.sd-sort {
  padding: var(--space-2) var(--space-4);
  background: color-mix(in hsl, var(--color-surface) 80%, var(--color-bg));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 0.88rem;
  cursor: pointer;
}

.sd-overview-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(2, 1fr);
}

.sd-overview-grid.sd-overview-grid--triple {
  grid-template-columns: repeat(3, 1fr);
}

.sd-overview-card {
  background: color-mix(in hsl, var(--color-surface) 90%, var(--color-bg));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-1);
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.sd-overview-card--hero {
  grid-column: 1 / -1;
  padding: var(--space-6);
}

.sd-overview-card--hero h3 {
  font-size: 1rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin: 0 0 var(--space-4) 0;
}

.sd-overview-hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-4);
}

.sd-overview-hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-4);
  background: color-mix(in hsl, var(--color-surface) 60%, var(--color-bg));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.sd-overview-hero-value {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--color-primary);
  line-height: 1;
}

.sd-overview-hero-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-muted);
  margin-top: var(--space-2);
}

.sd-overview-card h3 {
  font-size: 0.95rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0 0 var(--space-4) 0;
}

.sd-top-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sd-top-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--space-2) var(--space-1);
  border-bottom: 1px solid var(--row-divider);
  font-size: 0.95rem;
}

.sd-top-item:last-child {
  border-bottom: none;
}

.sd-top-rank {
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-weight: 700;
  min-width: 32px;
  flex-shrink: 0;
}

.sd-top-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin: 0 var(--space-2);
  min-width: 0;
}

.sd-top-stat {
  font-family: var(--font-mono);
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

#panel-leaderboard .leaderboard-scroll {
  background: color-mix(in hsl, var(--color-surface) 90%, var(--color-bg));
}

#panel-leaderboard .leaderboard-table thead th {
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.06),
    rgba(255, 255, 255, 0.02)
  );
}

#panel-leaderboard .leaderboard-table tbody tr:nth-child(odd) {
  background: color-mix(in hsl, var(--color-surface) 90%, var(--color-bg));
}

#panel-leaderboard .leaderboard-table tbody tr:nth-child(even) {
  background: color-mix(in hsl, var(--color-surface) 82%, var(--color-bg));
}

#panel-leaderboard .leaderboard-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.08);
}

.sd-players-list,
.sd-games-list {
  display: grid;
  gap: var(--space-3);
}

.sd-player-card,
.sd-game-card {
  background: color-mix(in hsl, var(--color-surface) 90%, var(--color-bg));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  box-shadow: var(--shadow-1);
  transition: border-color 160ms ease, transform 160ms ease;
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.sd-player-card:hover,
.sd-game-card:hover {
  border-color: color-mix(in hsl, var(--color-primary) 40%, var(--color-border));
  transform: translateY(-1px);
}

.sd-player-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.sd-player-name {
  font-weight: 700;
  font-size: 1rem;
}

.sd-player-rank-badge {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--color-primary) 25%, transparent);
  white-space: nowrap;
  flex-shrink: 0;
}

.sd-player-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100px, 100%), 1fr));
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.sd-player-stat {
  display: flex;
  flex-direction: column;
}

.sd-player-stat-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--color-muted);
}

.sd-player-stat-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
}

.sd-player-expand-wrap {
  display: flex;
  justify-content: flex-start;
}

.sd-player-expand {
  appearance: none;
  background: color-mix(in hsl, var(--color-link) 6%, transparent);
  border: 1px solid color-mix(in hsl, var(--color-link) 25%, var(--color-border));
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-5);
  color: var(--color-link);
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  text-align: center;
  transition: background 120ms ease, border-color 120ms ease;
}

.sd-player-expand:hover {
  background: color-mix(in hsl, var(--color-link) 12%, transparent);
  border-color: var(--color-link);
}

.sd-player-detail {
  display: none;
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.sd-player-detail.is-open {
  display: block;
}

.sd-detail-section h4 {
  font-size: 0.82rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin: 0 0 var(--space-2) 0;
}

.sd-list-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.85rem;
}

.sd-list-table th {
  text-align: left;
  padding: var(--space-2) var(--space-2);
  color: var(--color-muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  border-bottom: 1px solid var(--color-border);
}

.sd-list-table td {
  padding: var(--space-2) var(--space-2);
  border-bottom: 1px solid var(--row-divider);
  vertical-align: middle;
}

.sd-pct-bar-wrap {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  overflow: hidden;
}

.sd-pct-bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: 3px;
  transition: width 300ms ease;
}

.sd-pct-text {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.82rem;
  min-width: 42px;
  text-align: right;
}

.sd-game-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.sd-game-name {
  font-weight: 700;
  font-size: 1rem;
}

.sd-game-status {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  white-space: nowrap;
  flex-shrink: 0;
}

.sd-game-status--active {
  color: #0b0f14;
  background: #ffc107;
  border-color: #ffc107;
}

.sd-game-status--completed {
  color: var(--color-muted);
  background: rgba(255, 255, 255, 0.06);
}

.sd-game-status--pending {
  color: #0b0f14;
  background: #ffe082;
  border-color: #ffe082;
}

.sd-game-meta {
  display: flex;
  gap: var(--space-4);
  font-size: 0.88rem;
  color: var(--color-muted);
  flex-wrap: wrap;
}

.sd-game-meta span {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
}

.sd-game-meta strong {
  font-family: var(--font-mono);
  color: var(--color-text);
}

.sd-empty {
  text-align: center;
  padding: var(--space-7);
  color: var(--color-muted);
  font-family: var(--font-mono);
}

.sd-empty.hidden {
  display: none;
}

.sd-crowns {
  color: var(--color-primary);
}

.loading-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  z-index: 500;
  transition: opacity 500ms ease;
}

.loading-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: sd-spin 1s linear infinite;
}

@keyframes sd-spin {
  to { transform: rotate(360deg); }
}

.loading-text {
  margin-top: var(--space-4);
  color: var(--color-muted);
  font-size: 0.9rem;
  font-family: var(--font-mono);
}

@media (max-width: 768px) {
  .sd-hero {
    padding: var(--space-4) 0;
  }

  .sd-hero-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .sd-overview-grid,
  .sd-overview-grid.sd-overview-grid--triple {
    grid-template-columns: 1fr;
  }

  .sd-overview-card--hero {
    padding: var(--space-4);
  }

  .sd-overview-hero-grid {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--space-3);
  }

  .sd-overview-hero-value {
    font-size: 1.4rem;
  }

  .sd-controls {
    flex-direction: column;
  }

  .sd-search {
    max-width: none;
    width: 100%;
  }
}

@media (max-width: 480px) {
  .sd-player-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .sd-player-header {
    flex-wrap: wrap;
  }

  .sd-game-header {
    flex-wrap: wrap;
  }

  .sd-game-meta {
    gap: var(--space-2);
  }

  .sd-overview-hero-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .loading-spinner {
    animation: none;
  }

  .sd-player-card,
  .sd-game-card {
    transition: none;
  }
}