.contribution-page {
  padding-bottom: 4rem;
}

.contribution-hero {
  background: linear-gradient(135deg, #174d5d 0%, #1d6672 62%, #b9533c 160%);
  color: #fff;
  padding: clamp(2.8rem, 7vw, 5.6rem) 0;
}

.contribution-hero h1,
.contribution-hero p,
.contribution-hero .eyebrow {
  color: #fff;
}

.contribution-hero__grid,
.contribution-layout,
.contribution-review-list {
  width: min(var(--content-width), calc(100% - 2rem));
  margin-inline: auto;
}

.contribution-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(260px, .7fr);
  gap: 2rem;
  align-items: end;
}

.contribution-hero__aside {
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .26);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.35rem;
}

.contribution-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(240px, .65fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.contribution-panel,
.contribution-step,
.contribution-public-panel,
.contribution-review-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: clamp(1.15rem, 2.5vw, 1.8rem);
}

.contribution-panel + .contribution-panel,
.contribution-review-card + .contribution-review-card {
  margin-top: 1rem;
}

.contribution-guide {
  display: grid;
  gap: .85rem;
  align-content: start;
  position: sticky;
  top: 1rem;
}

.contribution-guide ol {
  margin-bottom: 0;
}

.contribution-kind-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .65rem;
}

.contribution-kind {
  position: relative;
}

.contribution-kind input {
  position: absolute;
  opacity: 0;
}

.contribution-kind label {
  display: grid;
  gap: .25rem;
  height: 100%;
  padding: .9rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.contribution-kind label span {
  color: var(--color-ink-soft);
  font-size: .88rem;
}

.contribution-kind input:checked + label {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-primary) 18%, transparent);
}

.contribution-field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.contribution-field-grid > label:last-child,
.contribution-field-grid > .wide {
  grid-column: 1 / -1;
}

.contribution-panel label,
.contribution-review-card label {
  display: grid;
  gap: .3rem;
  color: var(--color-ink);
  font-weight: var(--weight-ui);
}

.contribution-panel input,
.contribution-panel select,
.contribution-panel textarea,
.contribution-review-card input,
.contribution-review-card textarea,
.contribution-review-card select {
  width: 100%;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  padding: .65rem .75rem;
  background: var(--color-surface-soft);
  color: var(--color-ink);
}

.contribution-panel textarea {
  min-height: 7rem;
  resize: vertical;
}

.contribution-help,
.contribution-status,
.contribution-checks,
.contribution-record-meta {
  color: var(--color-ink-soft);
  font-size: .94rem;
}

.contribution-context-hint {
  margin: .75rem 0 1rem;
  padding: .7rem .85rem;
  border-left: 3px solid var(--color-accent);
  background: var(--color-accent-soft);
}

.contribution-status {
  min-height: 1.6rem;
  padding: .65rem .8rem;
  border-radius: var(--radius-md);
  background: var(--color-surface-soft);
}

.contribution-status[data-state="error"] {
  color: #8b2e24;
  background: var(--color-accent-soft);
}

.contribution-status[data-state="success"] {
  color: var(--color-success);
  background: var(--color-success-soft);
}

.contribution-status[data-state="working"] {
  color: var(--color-warning);
  background: var(--color-warning-soft);
}

.contribution-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  align-items: center;
}

.contribution-confirmations {
  display: grid;
  gap: .55rem;
  margin: 1rem 0;
}

.contribution-confirmations label {
  display: flex;
  grid-template-columns: auto 1fr;
  gap: .55rem;
  align-items: start;
  font-weight: 400;
}

.contribution-preview {
  display: grid;
  gap: .7rem;
  margin-top: 1rem;
}

.contribution-preview-card,
.contribution-check {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: .8rem 1rem;
  background: var(--color-surface-soft);
}

.contribution-check {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .55rem;
}

.contribution-check[data-severity="BLOCK"] {
  border-color: #c65c4b;
  background: var(--color-accent-soft);
}

.contribution-check[data-severity="REVIEW_REQUIRED"] {
  border-color: #c7a35c;
  background: var(--color-warning-soft);
}

.contribution-check__severity {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .04em;
}

.contribution-public-panel {
  margin: 1.5rem auto 0;
  width: min(var(--content-width), calc(100% - 2rem));
}

.contribution-public-toolbar {
  display: flex;
  gap: .55rem;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}

.contribution-public-toolbar__buttons {
  display: flex;
  gap: .45rem;
  flex-wrap: wrap;
}

.contribution-card-grid,
.contribution-review-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.contribution-card-grid {
  margin-top: 1rem;
}

.contribution-card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: var(--color-surface-soft);
}

.contribution-card h3 {
  margin-bottom: .4rem;
}

.contribution-card__meta {
  color: var(--color-ink-soft);
  font-size: .86rem;
}

.contribution-public-assets {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem;
  margin: .9rem 0;
}

.contribution-public-assets--detail {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.contribution-public-asset {
  min-width: 0;
  margin: 0;
  padding: .55rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.contribution-public-asset.is-cover {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-primary) 16%, transparent);
}

.contribution-public-asset img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  border-radius: var(--radius-sm);
  background: var(--color-surface-soft);
}

.contribution-public-asset figcaption {
  margin-top: .45rem;
  color: var(--color-ink-soft);
  font-size: .82rem;
  line-height: 1.45;
}

.contribution-relation-list {
  margin: .5rem 0 0;
  padding-left: 1.1rem;
}

.contribution-review-list {
  margin-top: 1.5rem;
}

.contribution-review-list:empty::before {
  content: "当前没有待处理的 v0.5 贡献记录。";
  color: var(--color-ink-soft);
}

.contribution-review-card {
  grid-column: 1 / -1;
}

.contribution-review-card__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, .8fr);
  gap: 1rem;
}

.contribution-review-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: end;
}

.contribution-review-card__actions button {
  margin-top: 1.45rem;
}

.contribution-workflow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .6rem;
  margin: 1rem 0;
}

.contribution-workflow div {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: .55rem .7rem;
  background: var(--color-surface-soft);
}

.contribution-workflow dt {
  color: var(--color-ink-soft);
  font-size: .78rem;
}

.contribution-workflow dd {
  margin: .15rem 0 0;
  font-weight: var(--weight-ui);
  overflow-wrap: anywhere;
}

.contribution-review-source {
  max-height: 18rem;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  padding: .8rem;
  border-radius: var(--radius-sm);
  background: var(--color-surface-strong, #f3f0e8);
}

.contribution-review-context,
.contribution-review-assets {
  margin: 1rem 0;
  padding: .8rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface-soft);
}

.contribution-review-context h4,
.contribution-review-assets h4 {
  margin: 0 0 .45rem;
}

.contribution-review-asset-list {
  display: grid;
  gap: .6rem;
}

.contribution-review-asset {
  padding: .65rem;
  border-left: 3px solid var(--color-primary);
  background: var(--color-surface);
}

.contribution-review-fields {
  margin-top: 1rem;
}

.contribution-image-queue,
.contribution-upload-warnings {
  padding: .7rem .85rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface-soft);
}

.contribution-image-queue ul,
.contribution-upload-warnings ul {
  margin: .35rem 0 0;
  padding-left: 1.2rem;
}

.contribution-image-editor {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-line);
}

.contribution-image-list {
  display: grid;
  gap: .8rem;
}

.contribution-image-item {
  padding: .8rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.contribution-image-item__head {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: .9rem;
  align-items: start;
}

.contribution-image-item__head img,
.contribution-image-placeholder {
  display: block;
  width: 120px;
  height: 90px;
  object-fit: contain;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface-soft);
}

.contribution-image-placeholder {
  display: grid;
  place-items: center;
  padding: .4rem;
  color: var(--color-ink-soft);
  font-size: .78rem;
  text-align: center;
  overflow-wrap: anywhere;
}

.contribution-image-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
  margin-top: .8rem;
}

.contribution-image-fields .wide {
  grid-column: 1 / -1;
}

.contribution-check-inline {
  display: flex !important;
  align-items: center;
  gap: .45rem !important;
  padding-top: 1.55rem;
  font-weight: 400 !important;
}

.contribution-check-inline input {
  width: auto;
}

@media (max-width: 820px) {
  .contribution-hero__grid,
  .contribution-layout,
  .contribution-review-card__grid {
    grid-template-columns: 1fr;
  }

  .contribution-guide {
    position: static;
  }

  .contribution-card-grid,
  .contribution-review-list,
  .contribution-workflow,
  .contribution-image-fields,
  .contribution-public-assets,
  .contribution-public-assets--detail {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .contribution-kind-grid,
  .contribution-field-grid,
  .contribution-card-grid,
  .contribution-review-list,
  .contribution-workflow,
  .contribution-image-fields,
  .contribution-public-assets,
  .contribution-public-assets--detail {
    grid-template-columns: 1fr;
  }

  .contribution-field-grid > label:last-child,
  .contribution-field-grid > .wide {
    grid-column: auto;
  }
}