.header-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #fff;
}

.nav-link:hover {
  border-color: var(--accent);
}

.gallery-toolbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.toolbar-filter {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.toolbar-count {
  margin-left: auto;
  font-size: 0.85rem;
  color: var(--muted);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
}

.gallery-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.gallery-card:hover {
  border-color: #d6cfc4;
  transform: translateY(-2px);
}

.gallery-card.is-favorite {
  border-color: var(--accent);
}

.gallery-card-select {
  padding: 0.5rem 0.75rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.gallery-thumb-wrap {
  display: block;
  cursor: pointer;
  border: none;
  background: #f0ebe3;
  padding: 0;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
}

.gallery-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-card-body {
  padding: 0.85rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}

.workflow-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  background: #e8f4ec;
  color: #1a5c34;
  vertical-align: middle;
  margin-right: 0.35rem;
}

.gallery-card-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 650;
  line-height: 1.3;
}

.gallery-card-meta {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.45;
}

.gallery-card-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.gallery-card-actions .btn {
  flex: 1;
  font-size: 0.8rem;
  padding: 0.45rem 0.5rem;
}

.fav-badge {
  color: var(--accent);
  font-size: 0.85rem;
}

.preview-dialog,
.compare-dialog {
  border: none;
  border-radius: var(--radius);
  padding: 0;
  max-width: min(1100px, 96vw);
  width: 96vw;
  max-height: 92vh;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.2);
}

.preview-dialog::backdrop,
.compare-dialog::backdrop {
  background: rgba(28, 25, 23, 0.45);
}

.preview-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 0;
  max-height: 92vh;
  position: relative;
}

@media (max-width: 860px) {
  .preview-layout {
    grid-template-columns: 1fr;
    overflow-y: auto;
    max-height: 92vh;
  }
}

.preview-art {
  padding: 1.25rem;
  background: #f0ebe3;
  overflow: auto;
}

.preview-art img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
}

.preview-meta {
  padding: 1.25rem 1.25rem 1.5rem;
  overflow-y: auto;
  max-height: 92vh;
}

.preview-meta h3 {
  margin: 1rem 0 0.35rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.dialog-close {
  position: absolute;
  top: 0.5rem;
  right: 0.65rem;
  z-index: 2;
  border: none;
  background: #fff;
  border-radius: 6px;
  width: 2rem;
  height: 2rem;
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1;
  border: 1px solid var(--border);
}

.meta-list {
  margin: 0.75rem 0 0;
  font-size: 0.85rem;
}

.meta-list dt {
  font-weight: 600;
  color: var(--muted);
  margin-top: 0.35rem;
}

.meta-list dd {
  margin: 0.1rem 0 0;
}

.prompt-block {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
  background: #faf7f2;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.65rem 0.75rem;
  max-height: 12rem;
  overflow: auto;
  margin: 0;
}

.prompt-block-muted {
  color: var(--muted);
  max-height: 10rem;
}

.compare-dialog {
  max-width: min(1400px, 98vw);
}

.compare-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.compare-header h2 {
  margin: 0;
  font-size: 1.1rem;
}

.compare-strip {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  overflow-x: auto;
  align-items: flex-start;
}

.compare-item {
  flex: 0 0 min(320px, 80vw);
}

.compare-item img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.compare-item h3 {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
}

.compare-item p {
  margin: 0.25rem 0 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.christmas-hero {
  margin-bottom: 1.25rem;
}

.christmas-hero .gallery-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}