*{box-sizing:border-box}body{margin:0;background:#f5f6f8;color:#171717;font-family:Inter,Arial,sans-serif}.top{height:64px;background:#fff;border-bottom:1px solid #e5e7eb;display:flex;align-items:center;justify-content:space-between;padding:0 24px}.top strong{font-size:20px}.top span{margin-left:8px;color:#888}.top a{color:#555;text-decoration:none}main{max-width:1100px;margin:30px auto;padding:0 18px}.toolbar{display:flex;gap:12px;margin-bottom:18px}.toolbar input,.toolbar select,.login input{border:1px solid #d7dbe0;background:#fff;border-radius:12px;padding:14px 15px;font-size:16px}.toolbar input{flex:1}.toolbar select{min-width:220px}.product{display:flex;gap:20px;background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:16px;margin:12px 0;box-shadow:0 2px 8px #00000008}.product img,.noimg{width:110px;height:110px;object-fit:contain;border-radius:12px;background:#f7f7f7}.noimg{display:grid;place-items:center;color:#aaa;font-size:12px}.info{flex:1}.info h2{margin:4px 0 8px;font-size:19px}.meta{font-size:13px;color:#777}.stock{font-size:34px;font-weight:800;margin-top:12px}.breakdown{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.breakdown span{background:#f1f3f5;border-radius:999px;padding:7px 10px;font-size:13px}.center{min-height:100vh;display:grid;place-items:center}.card{background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:30px;box-shadow:0 10px 30px #0000000b}.login{width:min(400px,92vw)}.login h1{margin-top:0}.login form{display:grid;gap:12px}.login button,.toolbar button{border:0;border-radius:12px;padding:14px;background:#111;color:#fff;font-size:16px}.error{background:#fee2e2;color:#991b1b;padding:10px;border-radius:10px;margin:12px 0}#status{color:#777;margin:8px 0 14px}@media(max-width:700px){.toolbar{flex-direction:column}.toolbar select{min-width:0}.product{gap:12px}.product img,.noimg{width:80px;height:80px}.info h2{font-size:16px}.stock{font-size:28px}.top{padding:0 14px}}

.warehouse-list{margin-top:14px;border-top:1px solid #eee;max-width:520px}
.warehouse-title{font-size:13px;font-weight:700;color:#666;padding:10px 0 6px}
.warehouse-row{display:flex;justify-content:space-between;gap:20px;padding:8px 10px;border-radius:8px;background:#f7f7f7;margin:4px 0;font-size:14px}
.warehouse-row b{font-size:15px}
.warehouse-empty{margin-top:12px;color:#999;font-size:13px}