.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.project-card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.15s;
}
.project-card:hover { border-color: var(--accent-line); transform: translateY(-2px); }
.project-card.skeleton-card:hover { transform: none; border-color: var(--line); cursor: default; }

.project-card-thumb {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: var(--line);
  overflow: hidden;
}
.project-card-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.project-card-thumb.empty {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--faint);
  font-size: 13px;
}
.project-card-info { padding: 16px 20px; }
.project-card-info h3 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: -0.2px;
  color: var(--ink);
}
.project-card-meta {
  font-size: 13px;
  color: var(--faint);
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.timeline {
  margin-top: 32px;
  padding-left: 24px;
  border-left: 2px solid var(--line);
}
.timeline-entry {
  margin-bottom: 36px;
  position: relative;
}
.timeline-entry:last-child { margin-bottom: 0; }
.timeline-entry::before {
  content: '';
  position: absolute;
  left: -29px;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
}
.timeline-entry img {
  max-width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line);
  display: block;
}
.timeline-caption {
  margin-top: 10px;
  font-size: 14.5px;
  color: var(--ink);
  font-weight: 600;
}
.timeline-date {
  margin-top: 4px;
  font-size: 12.5px;
  color: var(--faint);
  font-family: var(--mono);
}

.detail-admin-actions {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.upload-entry {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 12px;
  padding: 10px;
  background: var(--bg-soft);
  border-radius: 10px;
  border: 1px solid var(--line);
}
.upload-entry img {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}
.upload-entry-fields {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.upload-entry-fields input {
  font-family: var(--sans);
  font-size: 13.5px;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  outline: none;
}
.upload-entry-fields input:focus { border-color: var(--accent-line); }

.board-form select {
  font-family: var(--sans);
  font-size: 14.5px;
  color: var(--ink);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 14px;
  outline: none;
  width: 100%;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}

@media (max-width: 640px) {
  .project-grid { grid-template-columns: 1fr; }
  .upload-entry { flex-direction: column; }
  .upload-entry img { width: 100%; height: auto; aspect-ratio: 16/10; }
}