*,:before,:after{box-sizing:border-box}body{background:#121212;margin:0}.flip-card{aspect-ratio:1;perspective:1000px;cursor:pointer}.flip-card-inner{width:100%;height:100%;transform-style:preserve-3d;transition:transform .6s;position:relative}.flip-card-inner.flipped{transform:rotateY(180deg)}.flip-card-front,.flip-card-back{backface-visibility:hidden;border-radius:12px;width:100%;height:100%;position:absolute;overflow:hidden}.flip-card-front img{object-fit:cover;width:100%;height:100%;display:block}.flip-card-front .placeholder{background:linear-gradient(135deg,#2a2a2a,#1a1a1a);justify-content:center;align-items:center;width:100%;height:100%;font-size:4rem;display:flex}.flip-card-back{color:#e0e0e0;background:#1a1a1a;border:1px solid #333;flex-direction:column;justify-content:center;gap:.35rem;padding:1.25rem;display:flex;transform:rotateY(180deg)}.back-artists{color:#999;text-transform:uppercase;letter-spacing:.05em;margin:0;font-size:.8rem}.back-title{color:#fff;margin:0;font-size:1.1rem;font-weight:700}.back-year{color:#aaa;margin:0;font-size:.85rem}.back-label{color:#888;margin:0;font-size:.8rem}.back-genre{color:#b388ff;margin:0;font-size:.8rem}.back-styles{color:#777;margin:0;font-size:.75rem;font-style:italic}.back-format{color:#666;margin:.25rem 0 0;font-size:.75rem}.app{color:#e0e0e0;background:#121212;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.header{border-bottom:1px solid #222;justify-content:space-between;align-items:center;padding:1.5rem 2rem;display:flex}.logo{letter-spacing:-.5px;color:#fff;margin:0;font-size:1.8rem;font-weight:700}.tabs{gap:.5rem;display:flex}.tab{color:#888;cursor:pointer;background:0 0;border:1px solid #333;border-radius:20px;padding:.4rem 1.2rem;font-size:.9rem;transition:all .2s}.tab:hover{color:#ccc;border-color:#555}.tab.active{color:#fff;background:#333;border-color:#555}.status{text-align:center;color:#888;padding:4rem 0;font-size:1.1rem}.status.error{color:#ef5350}.grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem;padding:1.5rem;display:grid}