:root{color:#14213d;background:#f5f7fb;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0}.app-shell{max-width:920px;margin:0 auto;padding:1.5rem}.app-header h1{margin:0 0 .25rem;font-size:1.5rem}.app-header p{color:#3a4a67;margin:0 0 1rem}.item-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:.85rem;display:grid}.item-card{background:#fff;border:1px solid #d9e1ee;border-radius:.75rem;padding:.9rem}.item-card h2{margin:0;font-size:1.1rem}.item-card__category{text-transform:uppercase;color:#4b6cb7;letter-spacing:.08em;margin:0 0 .35rem;font-size:.72rem}.item-card footer{justify-content:space-between;align-items:center;margin-top:.8rem;display:flex}.empty-state{border:1px dashed #9bb0d6;border-radius:.5rem;padding:1rem}