.card{background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-sm);overflow:hidden;transition:all .2s ease}.card:hover{border-color:var(--border-secondary);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.card-header{background:var(--bg-tertiary);border-bottom:1px solid var(--border-primary);padding:var(--space-md) var(--space-lg)}.card-title{font-size:var(--font-size-lg);font-weight:bold;color:var(--text-primary);margin:0}.card-content{padding:var(--space-lg)}.card-footer{background:var(--bg-tertiary);border-top:1px solid var(--border-primary);padding:var(--space-md) var(--space-lg)}.sketch-card{background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-sm);overflow:hidden;transition:all .2s ease;cursor:pointer;text-decoration:none;color:inherit;display:block;position:relative}.sketch-card:hover{border-color:var(--accent-primary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.sketch-card:has(.sketch-card-actions a:hover){border-color:var(--border-primary);transform:none;box-shadow:none}.sketch-card-actions{display:flex;justify-content:flex-end;margin-top:var(--space-sm);position:relative;z-index:1}.sketch-card-actions a{position:relative;z-index:2}.sketch-preview{width:100%;height:120px;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:var(--font-size-sm)}.sketch-preview img{width:100%;flex:1 1;object-fit:cover}.sketch-info{padding:var(--space-md)}.sketch-title{font-size:var(--font-size-base);font-weight:bold;color:var(--text-primary);margin-bottom:var(--space-xs)}.sketch-meta{font-size:var(--font-size-xs);color:var(--text-muted);display:flex;gap:var(--space-sm)}
.loading-spinner{width:20px;height:20px;border:2px solid var(--border-primary);border-top:2px solid var(--accent-primary);border-radius:50%;animation:spin 1s linear infinite}.loading-skeleton{background:linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);background-size:200% 100%;animation:skeleton-loading 3s infinite;border-radius:var(--radius-sm)}.skeleton{background:linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);background-size:200% 100%;animation:skeleton-loading 3s infinite}.sketch-card.skeleton{pointer-events:none;cursor:default;min-height:320px}.sketch-card.skeleton:hover{border-color:var(--border-primary);transform:none;box-shadow:none}.skeleton-box{height:240px;background:linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);background-size:200% 100%;animation:skeleton-loading 3s infinite;border-radius:var(--radius-sm)}.skeleton-line{height:1rem;background:linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);background-size:200% 100%;animation:skeleton-loading 3s infinite;border-radius:var(--radius-sm);margin-bottom:var(--space-sm)}.skeleton-line.short{width:60%}.skeleton-line.medium{width:80%}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}@keyframes skeleton-loading{0%{background-position:200% 0}100%{background-position:-200% 0}}

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