.tt-contrib {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 1.5rem;
  padding: 1.5rem;
  backdrop-filter: blur(12px);
  color: inherit;
  max-width: 100%;
}
.dark .tt-contrib { background: rgba(0,0,0,0.3); }

.tt-contrib-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.tt-contrib-heading {
  font-size: 1.25rem;
  font-weight: 800;
  margin: 0;
  background: linear-gradient(135deg, #f97316, #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.tt-contrib-sub { font-size: 0.8rem; color: #9ca3af; }

.tt-contrib-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.tt-contrib-card {
  display: flex;
  flex-direction: column;
  padding: 0.75rem 1rem;
  border-radius: 1rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  transition: background 0.2s;
}
.tt-contrib-card:hover { background: rgba(255,255,255,0.08); }
.dark .tt-contrib-card { background: rgba(0,0,0,0.25); border-color: rgba(255,255,255,0.05); }
.dark .tt-contrib-card:hover { background: rgba(255,255,255,0.05); }

.tt-contrib-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.tt-contrib-rank {
  font-size: 1.4rem;
  font-weight: 800;
  min-width: 40px;
  text-align: center;
  flex-shrink: 0;
}

.tt-contrib-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
  background: rgba(249,115,22,0.1);
}

.tt-contrib-body { flex: 1; min-width: 0; }
.tt-contrib-name {
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
}
.tt-contrib-name a { color: inherit; text-decoration: none; }
.tt-contrib-name a:hover { color: #f97316; }

.tt-contrib-username { font-size: 0.75rem; color: #9ca3af; }

.tt-contrib-role {
  display: inline-block;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.12rem 0.5rem;
  border-radius: 999px;
  background: rgba(249,115,22,0.15);
  color: #ea580c;
  vertical-align: middle;
}
.dark .tt-contrib-role { color: #fb923c; background: rgba(251,146,60,0.15); }

.tt-contrib-stats {
  text-align: right;
  flex-shrink: 0;
}
.tt-contrib-points {
  font-size: 1.15rem;
  font-weight: 800;
  color: #f97316;
  line-height: 1.1;
}
.tt-contrib-count {
  font-size: 0.68rem;
  color: #9ca3af;
  margin-top: 0.1rem;
}

.tt-contrib-expand-row {
  text-align: center;
  margin-top: 0.5rem;
}
.tt-contrib-expand {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
  color: inherit;
  font-size: 0.7rem;
  padding: 0.22rem 0.7rem;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.15s;
}
.tt-contrib-expand:hover { background: rgba(255,255,255,0.08); }
.dark .tt-contrib-expand { border-color: rgba(255,255,255,0.12); }

.tt-contrib-details {
  display: none;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 0.8rem;
  color: #9ca3af;
}
.tt-contrib-card.expanded .tt-contrib-details { display: block; }
.tt-contrib-card.expanded .tt-contrib-expand-row { display: none; }

.tt-contrib-detail-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.4rem;
}
.tt-contrib-detail-label { color: #6b7280; font-weight: 500; }

.tt-contrib-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid rgba(249,115,22,0.35);
  background: rgba(249,115,22,0.1);
  color: #ea580c;
  text-decoration: none;
  transition: background 0.15s;
}
.tt-contrib-link:hover { background: rgba(249,115,22,0.2); }
.dark .tt-contrib-link {
  color: #fb923c;
  border-color: rgba(251,146,60,0.3);
  background: rgba(251,146,60,0.12);
}
.dark .tt-contrib-link:hover { background: rgba(251,146,60,0.22); }

.tt-contrib-empty {
  text-align: center;
  padding: 2rem 1rem;
  color: #9ca3af;
}
.tt-contrib-empty-icon { font-size: 2.5rem; margin-bottom: 0.5rem; }

.tt-contrib-skel {
  height: 62px;
  border-radius: 1rem;
  background: linear-gradient(90deg, rgba(255,255,255,0.03), rgba(255,255,255,0.08), rgba(255,255,255,0.03));
  background-size: 200% 100%;
  animation: tt-contrib-shimmer 1.4s ease-in-out infinite;
  margin-bottom: 0.5rem;
}
@keyframes tt-contrib-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@media (max-width: 520px) {
  .tt-contrib { padding: 1rem; }
  .tt-contrib-points { font-size: 1rem; }
  .tt-contrib-rank { font-size: 1.2rem; min-width: 32px; }
  .tt-contrib-avatar { width: 34px; height: 34px; }

  .tt-contrib-top {
    flex-wrap: wrap;
    row-gap: 0.4rem;
  }
  .tt-contrib-body {
    flex: 1 1 100%;
    order: 3;
    min-width: 0;
  }
  .tt-contrib-stats {
    order: 2;
    margin-left: auto;
    text-align: right;
  }
  .tt-contrib-rank { order: 1; }
  .tt-contrib-avatar { order: 1; }
  .tt-contrib-name {
    font-size: 0.9rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
  }
  .tt-contrib-role {
    flex: 1 0 100%;
    margin-left: 0;
    margin-bottom: 4px;
  }
  .tt-contrib-username { font-size: 0.7rem; }
}