.app-page.leaderboard-page h2 { font-size: 29px; margin: 0 0 8px; }
.app-page.leaderboard-page .lb-section-title { margin-top: 28px; }
.lb-hero-note { text-align: right; }
.lb-hero-note p { color: var(--muted); font: italic 22px/1.4 Georgia, serif; margin: 24px 0 0; }
.lb-navigation, .lb-navigation nav, .lb-period { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.lb-navigation { justify-content: space-between; }
.lb-navigation nav a { padding: 11px 20px; border: 1px solid var(--line); border-radius: 4px; text-decoration: none; font-size: 13px; }
.lb-navigation nav a[aria-current=page] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.lb-period select { padding: 11px; background: var(--surface); border: 1px solid var(--soft-border); border-radius: 4px; color: var(--ink); font: inherit; font-size: 12px; }
.app-page .lb-period .button { min-height: 39px; padding: 8px 12px; font-size: 12px; }
.lb-period-label { font-size: 12px; }
.lb-disclosure, .lb-muted { color: var(--muted); font-size: 12px; line-height: 1.6; }
.lb-disclosure { margin: 15px 0 22px; }
.lb-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--soft-border); border-radius: 5px; background: var(--surface); padding: 20px 0; margin: 0 0 22px; }
.lb-metrics > div { padding: 0 24px; }
.lb-metrics > div + div { border-left: 1px solid var(--line); }
.lb-metrics dt { font-size: 13px; }
.lb-metrics dd { font: 40px/1.2 Georgia, serif; margin: 6px 0 0; }
.lb-metrics small { display: block; font: 11px/1.5 'DM Sans', sans-serif; color: var(--muted); margin-top: 7px; }
.lb-split { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 18px; margin-bottom: 20px; }
.lb-split.lb-even { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.lb-card { padding: 22px; border: 1px solid var(--soft-border); border-radius: 5px; background: var(--surface); min-width: 0; }
.lb-card > p { font-size: 13px; line-height: 1.6; }
.lb-sage { background: var(--sage); }
.lb-card-heading { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 5px 14px; }
.lb-card-heading > span { font-size: 10px; color: var(--muted); }
.lb-table-scroll { overflow-x: auto; }
.lb-card table { border-collapse: collapse; width: 100%; font-size: 12px; white-space: nowrap; }
.lb-card th, .lb-card td { text-align: left; padding: 12px 9px; border-bottom: 1px solid var(--line); }
.lb-card thead th { font-weight: 400; color: var(--muted); font-size: 11px; }
.lb-card tbody th { font-weight: 400; }
.lb-avatar { display: inline-flex; align-items: center; justify-content: center; width: 29px; height: 29px; border-radius: 50%; margin-right: 10px; background: #527b60; color: #fff; font-size: 10px; flex-shrink: 0; }
.lb-avatar.tone-1 { background: #986653; }
.lb-avatar.tone-2 { background: #476f76; }
.lb-card-foot { border-top: 1px solid var(--line); padding-top: 14px; margin-top: 16px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 12px; line-height: 1.6; }
.lb-card-foot > span { color: var(--muted); font-size: 10px; }
.lb-result { font: 70px/1 Georgia, serif; text-align: center; margin: 25px 0 8px; }
.lb-result small { display: block; font: 14px/1.5 'DM Sans', sans-serif; }
.lb-center { text-align: center; }
.lb-mini-bars { height: 95px; display: flex; align-items: end; gap: 4px; margin-top: 25px; }
.lb-mini-bars span { flex: 1; background: #89a68b; }
.lb-axis { display: flex; justify-content: space-between; font-size: 10px; color: var(--muted); margin-block: 8px 16px; }
.app-page.leaderboard-page .lb-section-title { border-top: 1px solid var(--line); padding-top: 22px; margin-top: 28px; }
.lb-line-chart { display: block; width: 100%; height: auto; margin-top: 28px; overflow: visible; }
.lb-line-chart text { fill: var(--muted); font: 11px 'DM Sans', sans-serif; }
.lb-gridline { stroke: var(--line); }
.lb-chart-area { fill: #89a68b; opacity: .18; }
.lb-chart-line { fill: none; stroke: var(--ink); stroke-width: 3; stroke-linejoin: round; }
.lb-practice-line { stroke: #89a68b; }
.lb-legend { color: var(--ink); }
.lb-legend-light { color: #89a68b; }
.lb-shape-share { display: grid; grid-template-columns: 25px 70px 1fr 35px; align-items: center; gap: 10px; font-size: 12px; margin: 20px 0; }
.lb-shape-icon { font: 32px/1 Georgia, serif; }
.lb-track { height: 18px; background: var(--sage); }
.lb-track span { display: block; height: 100%; background: #719479; }
.lb-streaks { list-style: decimal inside; padding: 0; margin: 20px 0; }
.lb-streaks li { padding: 12px 0; border-top: 1px solid var(--line); font-size: 13px; }
.lb-streaks .lb-avatar { margin-left: 10px; }
.lb-streaks strong { float: right; line-height: 29px; }
.lb-heatmap { display: grid; grid-template-rows: repeat(7, 14px); grid-auto-flow: column; grid-auto-columns: 14px; gap: 4px; margin: 30px 0 12px; }
.lb-heatmap span { border-radius: 1px; background: #dde3d5; }
.lb-heatmap .heat-1 { background: #bdcdb7; }
.lb-heatmap .heat-2 { background: #99b295; }
.lb-heatmap .heat-3 { background: #709474; }
.lb-heatmap .heat-4 { background: #365e47; }
.lb-histogram { height: 185px; display: flex; justify-content: space-around; align-items: end; gap: 12px; border-bottom: 1px solid var(--line); padding-bottom: 10px; }
.lb-histogram > div { text-align: center; flex: 1; font-size: 11px; }
.lb-histogram-bar { margin: 6px auto 10px; width: 65%; background: #89a68b; }
.lb-detail-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding-top: 14px; }
.lb-detail-metrics dt { font-size: 12px; }
.lb-detail-metrics dd { font: 36px/1.3 Georgia, serif; margin: 5px 0; }
.lb-difficulty { display: inline-block; min-width: 70px; text-align: center; border-radius: 20px; padding: 3px 8px; color: #233c34; background: #d9e3cf; }
.lb-difficulty.medium { background: #f3d7a7; }
.lb-difficulty.hard { background: #ecc8bb; }
.lb-field-notes { margin: 20px 0; }
.lb-cta { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; background: var(--sage); border-radius: 5px; padding: 25px; margin-top: 24px; }
.app-page.leaderboard-page .lb-cta h2 { margin: 0; }
.lb-cta > a:last-child { font-size: 13px; }
.lb-sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
@media (max-width: 1100px) { .leaderboard-page .home-navigation { gap: 15px; } .lb-metrics > div { padding-inline: 16px; } .lb-metrics dd { font-size: 34px; } }
@media (max-width: 900px) { .lb-split, .lb-split.lb-even { grid-template-columns: 1fr; } .lb-navigation { gap: 15px; } .lb-hero-note p { display: none; } .lb-hero-note { text-align: left; } }
@media (max-width: 560px) {
  .lb-metrics { grid-template-columns: 1fr 1fr; padding: 0; }
  .lb-metrics > div { padding: 18px; }
  .lb-metrics > div:nth-child(3) { border-left: 0; }
  .lb-metrics > div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .lb-navigation nav { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
  .lb-navigation nav a { text-align: center; padding: 11px; }
  .lb-card { padding: 18px; }
  .lb-streaks li { font-size: 11px; }
  .lb-streaks .lb-avatar { margin-inline: 5px; }
  .lb-shape-share { gap: 6px; }
  .app-page.leaderboard-page h2 { font-size: 26px; }
}