.leaderboard-page {
  min-height: 100vh;
}

.leaderboard-hero {
  padding: 88px 0 58px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, .9fr);
  gap: 64px;
  align-items: center;
}

.leaderboard-hero-copy h1 {
  max-width: 850px;
  margin-bottom: 26px;
  font-size: clamp(3.8rem, 8vw, 7.3rem);
}

.leaderboard-hero-copy > p:not(.eyebrow) {
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(1.12rem, 2vw, 1.36rem);
  line-height: 1.62;
}

.leaderboard-actions {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.prize-stack {
  padding: 22px;
  display: grid;
  gap: 12px;
  border: 1px solid rgba(255,255,255,.8);
  border-radius: var(--radius-lg);
  color: #f7f7f3;
  background:
    radial-gradient(circle at 92% 0%, rgba(45,91,255,.5), transparent 24rem),
    linear-gradient(145deg, #171923 0%, #0d0e13 70%);
  box-shadow: var(--shadow);
}

.prize-card {
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 20px;
  align-items: center;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 18px;
  background: rgba(255,255,255,.045);
}

.prize-card span {
  color: rgba(255,255,255,.58);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.prize-card strong {
  grid-row: span 2;
  color: var(--signal);
  font-size: clamp(3.3rem, 6vw, 5.3rem);
  line-height: .86;
  letter-spacing: -.07em;
}

.prize-card p {
  margin: 0;
  color: rgba(255,255,255,.68);
  line-height: 1.4;
}

.prize-first {
  border-color: rgba(217,255,98,.38);
  background: rgba(217,255,98,.07);
}

.profit-example {
  margin-bottom: 30px;
  padding: 36px;
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(420px, 1.15fr);
  gap: 34px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.58);
  backdrop-filter: blur(18px);
}

.profit-example h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1;
  letter-spacing: -.05em;
}

.profit-example dl {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
}

.profit-example dl div {
  min-height: 110px;
  padding: 17px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--line-strong);
}

.profit-example dl div:last-child {
  border-right: 0;
}

.profit-example dt {
  color: var(--muted);
  font-size: .76rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.profit-example dd {
  margin: 0;
  color: var(--accent);
  font-size: clamp(1.45rem, 3vw, 2.3rem);
  font-weight: 850;
  letter-spacing: -.04em;
}

.profit-example > p {
  grid-column: 1 / -1;
  margin: -12px 0 0;
  color: var(--muted);
  font-size: .82rem;
}

.leaderboard-board {
  margin-bottom: 30px;
  padding: clamp(26px, 5vw, 48px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.7);
  box-shadow: var(--shadow);
}

.board-heading {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: flex-end;
}

.board-heading h2 {
  margin: 0 0 10px;
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  letter-spacing: -.06em;
}

.board-heading > div > p:last-child {
  margin: 0;
  color: var(--muted);
}

.period-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.period-tab {
  min-height: 42px;
  padding: 0 15px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255,255,255,.48);
  font: inherit;
  font-weight: 760;
  cursor: pointer;
}

.period-tab.active {
  border-color: var(--ink);
  color: white;
  background: var(--ink);
}

.leaderboard-status {
  margin-top: 30px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--muted);
  background: rgba(255,255,255,.48);
}

.leaderboard-table {
  margin-top: 32px;
  border-top: 1px solid var(--line-strong);
}

.leaderboard-row {
  min-height: 68px;
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 80px minmax(180px, 1fr) 190px 170px;
  gap: 18px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.leaderboard-header {
  min-height: 48px;
  color: var(--muted);
  font-size: .74rem;
  font-weight: 780;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.leaderboard-top {
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.62);
}

.rank-1 {
  border-color: rgba(173,136,20,.38);
  background: linear-gradient(90deg, rgba(255,224,100,.13), rgba(255,255,255,.62));
}

.rank-2 {
  background: linear-gradient(90deg, rgba(170,181,196,.14), rgba(255,255,255,.62));
}

.rank-3 {
  background: linear-gradient(90deg, rgba(180,110,65,.13), rgba(255,255,255,.62));
}

.rank-number {
  color: var(--accent);
  font-size: 1.25rem;
}

.leaderboard-alias {
  font-weight: 820;
  overflow-wrap: anywhere;
}

.leaderboard-empty {
  padding: 34px 16px;
  color: var(--muted);
  text-align: center;
  border-bottom: 1px solid var(--line);
}

.leaderboard-notice {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.55;
}

.leaderboard-rules-summary {
  margin-bottom: 100px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.leaderboard-rules-summary > div {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  backdrop-filter: blur(16px);
}

.leaderboard-rules-summary h2 {
  font-size: 1.45rem;
  letter-spacing: -.035em;
}

.leaderboard-rules-summary p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

@media (max-width: 980px) {
  .leaderboard-hero,
  .profit-example {
    grid-template-columns: 1fr;
  }

  .board-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .leaderboard-rules-summary {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .leaderboard-hero {
    padding-top: 56px;
  }

  .profit-example {
    padding: 26px 22px;
  }

  .profit-example dl {
    grid-template-columns: 1fr;
  }

  .profit-example dl div {
    min-height: 82px;
    border-right: 0;
    border-bottom: 1px solid var(--line-strong);
  }

  .profit-example dl div:last-child {
    border-bottom: 0;
  }

  .leaderboard-row {
    grid-template-columns: 44px minmax(0, 1fr) 82px;
    gap: 10px;
  }

  .leaderboard-row > :last-child {
    display: none;
  }

  .leaderboard-header > :nth-child(3) {
    font-size: 0;
  }

  .leaderboard-header > :nth-child(3)::after {
    content: "Valid";
    font-size: .74rem;
  }
}