.lb-main { max-width: 1080px; padding-top: 38px; padding-bottom: 56px; }
.lb-page-heading { margin-bottom: 26px; }
.lb-eyebrow { display: block; font-size: .72rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; color: #376346; }
.lb-page-heading h1 { font-size: clamp(2rem, 4vw, 2.8rem); line-height: 1.15; letter-spacing: -.04em; margin: 10px 0; }
.lb-intro { font-size: 1rem; line-height: 1.6; color: var(--muted); margin: 0; }
.lb-hero { display: grid; grid-template-columns: 1.35fr 1fr; gap: 24px; margin-bottom: 32px; }
.lb-campaign { position: relative; display: block; align-self: center; border: 1px solid var(--border); border-radius: 20px; overflow: hidden; background: #f1f0dd; }
.lb-campaign-art { display: block; width: 100%; height: auto; }
.lb-sponsor { position: absolute; left: 11%; bottom: 10%; width: 19%; height: auto; }
.lb-campaign:focus-visible, .lb-join:focus-visible { outline: 3px solid var(--green); outline-offset: 4px; }
.lb-impact { min-width: 0; background: #17492e; color: #f5ffec; border-radius: 20px; padding: 26px 30px; display: flex; flex-direction: column; justify-content: space-between; gap: 22px; container-type: inline-size; }
.lb-impact-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.lb-impact-label { text-transform: uppercase; letter-spacing: .09em; font-size: .7rem; font-weight: 650; }
.lb-leaf { width: 34px; height: 34px; flex-shrink: 0; color: #c4ee87; }
.lb-stats { display: grid; grid-template-columns: 1fr 1fr; }
.lb-stat { min-width: 0; margin: 0; padding-right: 22px; display: flex; flex-direction: column; }
.lb-stat + .lb-stat { padding: 0 0 0 22px; border-left: 1px solid #ffffff30; }
/* One shared size for both figures: as large as 3.4rem, smaller when the longer figure (--lb-chars) needs it to fit its column. */
.lb-stat-value { font-size: min(3.4rem, calc((50cqi - 23px) / (var(--lb-chars, 6) * .6))); font-weight: 750; line-height: 1.05; letter-spacing: -.035em; font-variant-numeric: tabular-nums; white-space: nowrap; }
.lb-stat-carbon .lb-stat-value { color: #c4ee87; }
.lb-stat-unit { margin-top: 8px; color: #dce9d9; font-size: .85rem; line-height: 1.35; }
.lb-impact-foot { border-top: 1px solid #ffffff30; padding-top: 14px; display: flex; flex-direction: column; gap: 4px; color: #dce9d9; font-size: .85rem; }
.lb-carbon-basis { color: #b9cfbb; font-size: .72rem; }
.lb-board { border: 1px solid var(--border); border-radius: 20px; background: white; overflow: hidden; box-shadow: 0 12px 36px #173f2808; }
.lb-board-heading { padding: 24px 28px; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.lb-board h2 { margin: 4px 0 0; font-size: 1.6rem; letter-spacing: -.03em; }
.lb-board-controls { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; max-width: 55%; }
.lb-board button { font: inherit; font-size: .8rem; cursor: pointer; white-space: nowrap; padding: 8px 14px; }
.lb-board button:disabled { opacity: .55; cursor: wait; }
.lb-status { margin: 0; color: var(--muted); font-size: .7rem; text-align: right; }
.lb-table { border-collapse: collapse; width: 100%; text-align: left; }
.lb-table thead { background: #f5f8f3; border-block: 1px solid var(--border); }
.lb-table th { padding: 12px 18px; font-size: .72rem; font-weight: 650; color: #47604a; }
.lb-table th:first-child, .lb-table td:first-child { padding-left: 28px; width: 84px; }
.lb-table th:last-child, .lb-table td:last-child { text-align: right; padding-right: 28px; }
.lb-table td { padding: 16px 18px; border-bottom: 1px solid #edf1eb; font-size: 1.05rem; }
.lb-table tbody th { font-size: .98rem; color: var(--text); border-bottom: 1px solid #edf1eb; overflow-wrap: anywhere; }
.lb-table tbody tr.lb-leading { background: #f3f9ed; }
.lb-rank { font-variant-numeric: tabular-nums; color: #627665; }
.lb-leading .lb-rank { color: #1b773c; font-weight: 750; }
.lb-total { font-weight: 750; font-variant-numeric: tabular-nums; color: #216e38; }
.lb-table .lb-pending { font-size: .8rem; font-weight: 500; color: var(--muted); }
.lb-school { display: flex; align-items: center; gap: 18px; }
.lb-school-logo { flex: 0 0 88px; height: 60px; border: 1px solid #e8ece5; border-radius: 10px; background: #fff; display: flex; align-items: center; justify-content: center; font-size: .95rem; letter-spacing: .03em; color: #53634e; }
.lb-school-logo img { display: block; width: 72px; height: 48px; object-fit: contain; }
.lb-school-logo-ucla { background: #2774ae; border-color: #2774ae; color: white; }
.lb-school-logo-ucla img { width: 68px; }
.lb-leaves-heading { display: inline-flex; align-items: center; gap: 5px; }
.lb-leaves-heading svg { width: 19px; height: 19px; flex-shrink: 0; color: var(--green); }
.lb-board-footer { padding: 16px 28px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: .72rem; }
.lb-message { margin: 0; padding: 40px 28px 48px; text-align: center; color: var(--muted); }
.lb-details { margin-top: 28px; display: grid; grid-template-columns: 1.5fr 1fr; gap: 48px; align-items: center; }
.lb-details h3 { font-size: .9rem; margin: 0 0 8px; }
.lb-details p { font-size: .8rem; color: var(--muted); margin: 0; line-height: 1.7; }
.lb-challenge-link { display: inline-block; font-size: .8rem; font-weight: 650; margin-top: 10px; }
.lb-join { display: block; border: 1px solid var(--border); padding: 22px 26px; border-radius: 16px; text-decoration: none; font-size: .8rem; }
.lb-join strong { display: block; font-size: 1rem; margin-top: 5px; }
.lb-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.leaderboard-page [hidden] { display: none !important; }
@media (max-width: 700px) {
  .lb-main { padding-top: 28px; }
  .lb-page-heading { margin-bottom: 22px; }
  .lb-intro { font-size: .9rem; }
  .lb-hero, .lb-details { grid-template-columns: 1fr; gap: 18px; }
  .lb-hero { margin-bottom: 24px; }
  .lb-campaign { width: 100%; max-width: 480px; justify-self: center; }
  .lb-impact { padding: 22px 24px; gap: 20px; }
  .lb-stat { padding-right: 18px; }
  .lb-stat + .lb-stat { padding-left: 18px; }
  .lb-board-heading { padding: 20px 18px; gap: 12px; align-items: flex-start; }
  .lb-board h2 { font-size: 1.3rem; }
  .lb-board-controls { max-width: 48%; }
  .lb-table { table-layout: fixed; }
  .lb-table th, .lb-table td { padding: 14px 8px; }
  .lb-table th:first-child, .lb-table td:first-child { padding-left: 16px; width: 48px; }
  .lb-table th:last-child, .lb-table td:last-child { padding-right: 16px; width: 104px; overflow-wrap: anywhere; }
  .lb-table tbody th, .lb-table td { font-size: .86rem; }
  .lb-school { gap: 10px; }
  .lb-school-logo { flex-basis: 52px; height: 44px; border-radius: 8px; font-size: .75rem; }
  .lb-school-logo img { width: 44px; height: 32px; }
  .lb-school-logo-ucla img { width: 40px; }
  .lb-leaves-heading { flex-direction: column; gap: 2px; align-items: flex-end; }
  .lb-board-footer { padding: 16px; }
}
@media (max-width: 380px) {
  .lb-school { flex-direction: column; align-items: flex-start; gap: 6px; }
  .lb-school-logo { flex-basis: auto; width: 52px; }
}