:root{--green:#4CAF50;--green-dark:#388E3C;--red:#f44336;--bg:#f5f5f5;--card:#fff;--text:#333;--border:#ddd;--radius:10px;--shadow:0 2px 8px rgba(0,0,0,0.08)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;padding-bottom:70px}.header{background:var(--green);color:white;padding:16px;text-align:center;box-shadow:var(--shadow)}.brand{font-size:1.3em;font-weight:bold}.sub{font-size:0.9em;opacity:0.9}.container{padding:16px;max-width:800px;margin:auto}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px}.product-card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.product-card img{width:100%;height:120px;object-fit:cover}.product-card .info{padding:12px}.price{color:var(--green);font-weight:bold}.cart-bar{position:fixed;bottom:0;left:0;right:0;background:var(--card);display:flex;justify-content:space-between;align-items:center;padding:12px 16px;box-shadow:0 -2px 10px rgba(0,0,0,0.1);z-index:10}.btn{background:var(--green);color:white;border:none;padding:10px 18px;border-radius:8px;font-size:14px;cursor:pointer}.btn-outline{background:transparent;border:1px solid var(--green);color:var(--green)}.btn-full{width:100%}.btn-sm{padding:6px 12px;font-size:13px;background:rgba(255,255,255,0.2);color:white;border:none;border-radius:6px}.form-control{width:100%;padding:10px 12px;margin:8px 0;border:1px solid var(--border);border-radius:8px;font-size:16px}.modal{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);display:flex;align-items:center;justify-content:center;z-index:20}.modal-content{background:white;border-radius:var(--radius);padding:20px;width:90%;max-width:400px;max-height:80vh;overflow-y:auto}.hidden{display:none!important}.list-item{background:var(--card);border-radius:var(--radius);padding:12px;margin-bottom:10px;box-shadow:var(--shadow);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap}.list-item .meta{flex:1}.top-bar{background:var(--green);color:white;padding:12px 16px;display:flex;justify-content:space-between;align-items:center}.tab-nav{display:flex;flex-wrap:wrap;gap:8px;padding:12px;background:white;border-bottom:1px solid var(--border)}.tab-btn{background:var(--bg);border:1px solid var(--border);border-radius:20px;padding:6px 14px;font-size:14px;cursor:pointer}.tab-btn.active{background:var(--green);color:white;border-color:var(--green)}.content-area{padding:16px}.error-msg{color:var(--red);margin-top:8px}.loading{text-align:center;padding:40px;color:#888}.badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:12px;background:#eee}.item-row{display:flex;gap:6px;align-items:center;margin-bottom:8px}@media (max-width:480px){.product-grid{grid-template-columns:1fr 1fr;gap:10px}}