.contribution-loading,
.contribution-empty {
  padding: 2rem;
  text-align: center;
}

.contribution-metrics {
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  margin-bottom: 1.5rem;
}

.contribution-metric .metric-value {
  font-variant-numeric: tabular-nums;
}

.contribution-filter-card {
  margin-bottom: 1.5rem;
  padding: 1rem;
}

.contribution-filter-form {
  align-items: end;
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
}

.contribution-filter-form label,
.contribution-review-panel label {
  display: grid;
  font-size: 0.82rem;
  font-weight: 700;
  gap: 0.35rem;
}

.contribution-filter-form input,
.contribution-filter-form select,
.contribution-review-panel select,
.contribution-review-panel textarea {
  background: var(--surface, #fff);
  border: 1px solid var(--border, #d5dde5);
  border-radius: 0.55rem;
  color: inherit;
  font: inherit;
  min-height: 2.7rem;
  padding: 0.6rem 0.7rem;
}

.contribution-filter-actions {
  align-items: center;
  display: flex;
  gap: 0.6rem;
}

.contribution-list {
  display: grid;
  gap: 1rem;
}

.contribution-card {
  padding: 1.1rem;
}

.contribution-card-header,
.contribution-card-footer,
.contribution-review-header {
  align-items: flex-start;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
}

.contribution-card h3 {
  margin-top: 0.2rem;
  overflow-wrap: anywhere;
}

.contribution-metadata {
  display: grid;
  gap: 0.65rem 1rem;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  margin: 1rem 0;
}

.contribution-metadata div {
  min-width: 0;
}

.contribution-metadata dt {
  color: var(--muted, #5e6c78);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.contribution-metadata dd {
  margin: 0.2rem 0 0;
  overflow-wrap: anywhere;
}

.contribution-card-footer {
  align-items: center;
  border-top: 1px solid var(--border, #e1e7ec);
  padding-top: 0.85rem;
}

.contribution-status {
  white-space: nowrap;
}

.contribution-status-submitted {
  background: #edf2f7;
  color: #334155;
}

.contribution-status-under-review,
.contribution-status-disputed {
  background: #fff3cd;
  color: #745300;
}

.contribution-status-accepted {
  background: #dcfce7;
  color: #166534;
}

.contribution-status-rejected,
.contribution-status-superseded {
  background: #fee2e2;
  color: #991b1b;
}

.contribution-detail-heading .text-button {
  margin-bottom: 0.8rem;
  padding-left: 0;
}

.contribution-detail-grid {
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
  margin-bottom: 1.5rem;
}

.contribution-detail-grid > .card,
.contribution-review-history,
.contribution-review-panel {
  padding: 1.2rem;
}

.contribution-detail-metadata {
  grid-template-columns: 1fr;
}

.contribution-review-history {
  margin-bottom: 1.5rem;
}

.contribution-review-history ol {
  display: grid;
  gap: 0.8rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.contribution-review-history li {
  border-left: 3px solid var(--border, #d5dde5);
  padding: 0.65rem 0 0.65rem 0.9rem;
}

.contribution-review-history p {
  margin: 0.45rem 0 0;
}

.contribution-review-panel form {
  display: grid;
  gap: 1rem;
  max-width: 48rem;
}

.contribution-review-panel textarea {
  min-height: 8rem;
  resize: vertical;
}

@media (max-width: 720px) {
  .contribution-card-header,
  .contribution-card-footer,
  .contribution-review-header {
    align-items: stretch;
    flex-direction: column;
  }

  .contribution-filter-actions {
    align-items: stretch;
    flex-direction: column;
  }
}