@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  --lb-bg: #16161a;
  --lb-surface: #222226;
  --lb-card: #26262c;
  --lb-border: #323236;
  --lb-gold: #fbbf24;
  --lb-silver: #cbd5e1;
  --lb-bronze: #d97706;
  --lb-blue: #3b82f6;
  --lb-text: #fafafa;
  --lb-muted: #b0b0b8;
}

.lb-page {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--lb-bg);
  color: var(--lb-text);
  min-height: 100vh;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.lb-heading { font-family: 'Space Grotesk', 'Inter', sans-serif; }

.lb-hero {
  position: relative;
  padding: 3rem 1.5rem 2rem;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 60% at 50% 0%, rgba(251, 191, 36, 0.12) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
    var(--lb-bg);
}

.lb-hero-icon {
  width: 4.5rem;
  height: 4.5rem;
  margin: 0 auto 1rem;
  border-radius: 1.25rem;
  background: linear-gradient(135deg, #fbbf24 0%, #d97706 50%, #b45309 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #1c1917;
  box-shadow: 0 0 40px rgba(251, 191, 36, 0.35), 0 12px 32px rgba(0, 0, 0, 0.4);
  animation: lbTrophyPulse 3s ease-in-out infinite;
}

@keyframes lbTrophyPulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 40px rgba(251, 191, 36, 0.35), 0 12px 32px rgba(0, 0, 0, 0.4); }
  50% { transform: scale(1.04); box-shadow: 0 0 56px rgba(251, 191, 36, 0.5), 0 16px 40px rgba(0, 0, 0, 0.45); }
}

.lb-user-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 56rem;
  margin: 0 auto 1.5rem;
  padding: 1rem 1.25rem;
  background: var(--lb-surface);
  border: 1px solid var(--lb-border);
  border-radius: 1rem;
}

.lb-user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lb-avatar {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  border: 2px solid rgba(59, 130, 246, 0.4);
}

.lb-user-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.lb-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, opacity 0.15s, box-shadow 0.15s;
  text-decoration: none;
  font-family: inherit;
}
.lb-btn:hover { transform: translateY(-1px); }
.lb-btn-primary {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  color: #fff;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
}
.lb-btn-gold {
  background: linear-gradient(135deg, #fbbf24, #d97706);
  color: #1c1917;
  box-shadow: 0 4px 14px rgba(251, 191, 36, 0.3);
}
.lb-btn-ghost {
  background: transparent;
  color: var(--lb-muted);
  border: 1px solid var(--lb-border);
}
.lb-btn-ghost:hover { color: var(--lb-text); border-color: #52525b; }

.lb-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 3rem 1.5rem;
  color: var(--lb-muted);
  font-size: 0.9375rem;
}
.lb-loading[hidden] { display: none; }

.lb-login-prompt {
  max-width: 28rem;
  margin: 0 auto 2rem;
  padding: 0 1.5rem;
}
.lb-login-prompt[hidden] { display: none; }
.lb-login-prompt-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: var(--lb-surface);
  border: 1px solid var(--lb-border);
  border-radius: 1.25rem;
}
.lb-login-prompt-icon {
  font-size: 2.5rem;
  color: var(--lb-gold);
  margin-bottom: 1rem;
  opacity: 0.85;
}
.lb-login-prompt-card h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.375rem;
  margin-bottom: 0.5rem;
}
.lb-login-prompt-card p {
  color: var(--lb-muted);
  font-size: 0.9375rem;
  margin-bottom: 1.25rem;
}

.lb-main[hidden] { display: none; }
.lb-user-bar[hidden] { display: none; }

.lb-categories {
  display: grid;
  gap: 1.5rem;
  max-width: 72rem;
  margin: 0 auto 2.5rem;
  padding: 0 1.5rem;
}
@media (min-width: 1024px) {
  .lb-categories { grid-template-columns: repeat(3, 1fr); align-items: start; }
}

.lb-category {
  background: var(--lb-surface);
  border: 1px solid var(--lb-border);
  border-radius: 1.25rem;
  overflow: hidden;
  animation: lbRowIn 0.45s ease-out backwards;
}
.lb-category:nth-child(2) { animation-delay: 0.06s; }
.lb-category:nth-child(3) { animation-delay: 0.12s; }

.lb-category-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--lb-border);
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.08), rgba(59, 130, 246, 0.05));
}
.lb-category-header i { color: var(--lb-gold); font-size: 1rem; }
.lb-category-header h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.9375rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.02em;
}

.lb-category-board { padding: 0.25rem 0; }
.lb-cat-board-header {
  display: grid;
  grid-template-columns: 2.5rem 1fr 4rem 3rem;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--lb-muted);
}
.lb-cat-row {
  display: grid;
  grid-template-columns: 2.5rem 1fr 4rem 3rem;
  gap: 0.35rem;
  align-items: center;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid rgba(39, 39, 42, 0.5);
  transition: background 0.2s;
  animation: lbRowIn 0.4s ease-out backwards;
}
.lb-cat-row:last-child { border-bottom: none; }
.lb-cat-row:hover { background: rgba(39, 39, 42, 0.35); }
.lb-cat-row.is-you {
  background: linear-gradient(90deg, rgba(59, 130, 246, 0.12), rgba(251, 191, 36, 0.06));
  border-left: 3px solid var(--lb-blue);
  padding-left: calc(1rem - 3px);
}
.lb-cat-rank {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lb-cat-rank.gold { color: var(--lb-gold); }
.lb-cat-rank.silver { color: var(--lb-silver); }
.lb-cat-rank.bronze { color: var(--lb-bronze); }
.lb-cat-player {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
}
.lb-cat-score {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 0.8125rem;
  color: var(--lb-gold);
  text-align: right;
}
.lb-cat-level {
  text-align: right;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--lb-muted);
}
.lb-cat-empty {
  padding: 1.5rem 1rem;
  text-align: center;
  color: var(--lb-muted);
  font-size: 0.8125rem;
}

.lb-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  max-width: 56rem;
  margin: 0 auto 1.5rem;
  padding: 0 1rem;
}

.lb-tab {
  flex: 1;
  max-width: 10rem;
  padding: 0.65rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid var(--lb-border);
  background: var(--lb-surface);
  color: var(--lb-muted);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.lb-tab:hover { color: var(--lb-text); border-color: #52525b; }
.lb-tab.active {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.15), rgba(59, 130, 246, 0.1));
  border-color: rgba(251, 191, 36, 0.4);
  color: var(--lb-gold);
}

.lb-board {
  max-width: 56rem;
  margin: 0 auto 3rem;
  padding: 0 1.5rem;
}

.lb-board-header {
  display: grid;
  grid-template-columns: 3.5rem 1fr 5.5rem 4rem 6rem;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lb-muted);
  border-bottom: 1px solid var(--lb-border);
}

.lb-row {
  display: grid;
  grid-template-columns: 3.5rem 1fr 5.5rem 4rem 6rem;
  gap: 0.5rem;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(39, 39, 42, 0.6);
  transition: background 0.2s, transform 0.2s;
  animation: lbRowIn 0.45s ease-out backwards;
}
.lb-row:hover { background: rgba(39, 39, 42, 0.4); }
.lb-row.is-you {
  background: linear-gradient(90deg, rgba(59, 130, 246, 0.12), rgba(251, 191, 36, 0.06));
  border-left: 3px solid var(--lb-blue);
  padding-left: calc(1.25rem - 3px);
}

@keyframes lbRowIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.lb-rank {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.125rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}
.lb-rank.gold { color: var(--lb-gold); text-shadow: 0 0 20px rgba(251, 191, 36, 0.4); }
.lb-rank.silver { color: var(--lb-silver); }
.lb-rank.bronze { color: var(--lb-bronze); }

.lb-player {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}
.lb-player-avatar {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: #323236;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  border: 1px solid var(--lb-border);
}
.lb-player-name {
  font-weight: 600;
  font-size: 0.9375rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.lb-you-tag {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--lb-blue);
  background: rgba(59, 130, 246, 0.15);
  padding: 0.15rem 0.45rem;
  border-radius: 0.35rem;
  margin-left: 0.35rem;
}

.lb-score {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--lb-gold);
  text-align: right;
}

.lb-level {
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--lb-muted);
}
.lb-level span {
  display: inline-block;
  background: #323236;
  border: 1px solid var(--lb-border);
  border-radius: 0.4rem;
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
}

.lb-badge {
  text-align: right;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--lb-muted);
}
.lb-badge-pill {
  display: inline-block;
  padding: 0.25rem 0.55rem;
  border-radius: 1rem;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.25);
  color: #93c5fd;
  white-space: nowrap;
}

.lb-podium {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 56rem;
  margin: 0 auto 2rem;
  padding: 0 1.5rem;
}

.lb-podium-card {
  text-align: center;
  padding: 1.25rem 0.75rem;
  background: var(--lb-card);
  border: 1px solid var(--lb-border);
  border-radius: 1.25rem;
  transition: transform 0.2s;
  animation: lbRowIn 0.5s ease-out backwards;
}
.lb-podium-card:hover { transform: translateY(-4px); }
.lb-podium-card.first {
  order: 2;
  border-color: rgba(251, 191, 36, 0.35);
  background: linear-gradient(180deg, rgba(251, 191, 36, 0.08), var(--lb-card));
  transform: scale(1.05);
}
.lb-podium-card.second { order: 1; border-color: rgba(203, 213, 225, 0.2); }
.lb-podium-card.third { order: 3; border-color: rgba(217, 119, 6, 0.25); }
.lb-podium-medal { font-size: 2rem; margin-bottom: 0.5rem; }
.lb-podium-name { font-weight: 700; font-size: 0.875rem; margin-bottom: 0.25rem; }
.lb-podium-score { font-family: 'Space Grotesk', sans-serif; font-weight: 700; color: var(--lb-gold); }

.lb-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s, visibility 0.25s;
}
.lb-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.lb-modal {
  width: 100%;
  max-width: 24rem;
  background: var(--lb-surface);
  border: 1px solid var(--lb-border);
  border-radius: 1.25rem;
  padding: 1.75rem;
  transform: translateY(16px) scale(0.98);
  transition: transform 0.25s;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
}
.lb-modal-overlay.open .lb-modal {
  transform: translateY(0) scale(1);
}

.lb-modal h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.375rem;
  margin-bottom: 0.25rem;
}
.lb-modal-tabs {
  display: flex;
  gap: 0.5rem;
  margin: 1rem 0;
}
.lb-modal-tab {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid var(--lb-border);
  border-radius: 0.5rem;
  background: transparent;
  color: var(--lb-muted);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}
.lb-modal-tab.active {
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.35);
  color: #93c5fd;
}

.lb-field { margin-bottom: 0.875rem; }
.lb-field label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--lb-muted);
  margin-bottom: 0.35rem;
}
.lb-field input {
  width: 100%;
  padding: 0.65rem 0.875rem;
  border-radius: 0.625rem;
  border: 1px solid var(--lb-border);
  background: var(--lb-bg);
  color: var(--lb-text);
  font-size: 0.875rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}
.lb-field input:focus { border-color: var(--lb-blue); }

.lb-error {
  font-size: 0.75rem;
  color: #f87171;
  margin: 0.5rem 0;
  min-height: 1rem;
}

.lb-modal-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1rem;
}
.lb-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--lb-muted);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.25rem;
}
.lb-modal-wrap { position: relative; }

.lb-empty {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--lb-muted);
}

.lb-nav {
  background: rgba(9, 9, 11, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--lb-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.lb-nav-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.lb-nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--lb-text);
}
.lb-nav-brand img {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.5rem;
  object-fit: cover;
  object-position: top center;
}
.lb-nav-brand span {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
}

@media (max-width: 640px) {
  .lb-cat-board-header { display: none; }
  .lb-cat-row {
    grid-template-columns: 2rem 1fr;
    grid-template-rows: auto auto;
    gap: 0.25rem 0.5rem;
  }
  .lb-cat-rank { grid-row: 1 / 3; }
  .lb-cat-player { grid-column: 2; }
  .lb-cat-score, .lb-cat-level {
    grid-column: 2;
    text-align: left;
    font-size: 0.6875rem;
  }
  .lb-cat-score::before { content: 'Score: '; color: var(--lb-muted); font-weight: 500; }
  .lb-cat-level::before { content: 'Level: '; color: var(--lb-muted); font-weight: 500; }

  .lb-board-header { display: none; }
  .lb-row {
    grid-template-columns: 2.5rem 1fr;
    grid-template-rows: auto auto;
    gap: 0.35rem 0.75rem;
    padding: 0.875rem 1rem;
  }
  .lb-rank { grid-row: 1 / 3; }
  .lb-player { grid-column: 2; }
  .lb-score, .lb-level, .lb-badge {
    grid-column: 2;
    text-align: left;
    font-size: 0.75rem;
  }
  .lb-score::before { content: 'Score: '; color: var(--lb-muted); font-weight: 500; }
  .lb-level::before { content: 'Level: '; color: var(--lb-muted); font-weight: 500; }
  .lb-badge::before { content: 'Badge: '; color: var(--lb-muted); font-weight: 500; }
  .lb-podium { grid-template-columns: 1fr; }
  .lb-podium-card.first { order: 1; transform: none; }
  .lb-podium-card.second { order: 2; }
  .lb-podium-card.third { order: 3; }
}

@media (prefers-reduced-motion: reduce) {
  .lb-hero-icon, .lb-row, .lb-podium-card { animation: none; }
}