*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  font-family:system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  background:#f4f5f7;color:#111827;
  -webkit-font-smoothing:antialiased;
  max-width:480px;margin:0 auto;position:relative;min-height:100vh;
}
.app{padding-bottom:76px}

/* header */
.header{position:sticky;top:0;z-index:20;background:linear-gradient(135deg,#16a34a,#059669);color:#fff;padding:14px 14px 12px}
.header-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.logo{font-size:18px;font-weight:800;letter-spacing:.5px}
.lang-switch{display:flex;gap:6px}
.lang-btn{background:rgba(255,255,255,.18);border:none;color:#fff;padding:5px 11px;border-radius:14px;font-size:13px;font-weight:600}
.lang-btn.active{background:#fff;color:#059669}
.search-bar input{width:100%;padding:10px 14px;border-radius:20px;border:none;font-size:14px;outline:none;background:#fff}

/* pages */
.page{display:none;padding:14px 12px}
.page.active{display:block}
.section-title{font-size:16px;font-weight:800;margin:6px 2px 12px;color:#111827}

/* product grid */
.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.product-card{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.06);cursor:pointer}
.p-img-wrap{position:relative;aspect-ratio:1;background:#f0f1f3;display:flex;align-items:center;justify-content:center;overflow:hidden}
.p-img{width:100%;height:100%;object-fit:cover}
.p-badge{position:absolute;top:8px;left:8px;background:#ef4444;color:#fff;font-size:12px;font-weight:800;padding:3px 8px;border-radius:8px}
.p-info{padding:9px 10px 11px}
.p-super{font-size:10px;color:#059669;font-weight:700;text-transform:uppercase;letter-spacing:.4px;margin-bottom:3px}
.p-name{font-size:13px;font-weight:600;line-height:1.35;height:35px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.p-price-row{display:flex;align-items:baseline;gap:6px;margin-top:6px}
.p-price{font-size:16px;font-weight:800;color:#e11d48}
.p-old{font-size:12px;color:#9ca3af;text-decoration:line-through}
.p-promo{font-size:11px;color:#059669;font-weight:600;margin-top:4px;line-height:1.3}
.p-badge.promo{background:#059669}
.coupon-btn{margin:0 10px 10px;width:calc(100% - 20px);padding:10px;background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;border:none;border-radius:10px;font-size:14px;font-weight:800;cursor:pointer}

/* super list */
.super-list{display:flex;gap:8px;overflow-x:auto;margin-bottom:14px;padding-bottom:4px}
.super-chip{flex-shrink:0;background:#fff;border:1px solid #e5e7eb;color:#374151;padding:8px 16px;border-radius:20px;font-size:13px;font-weight:600}
.super-chip.active{background:#059669;color:#fff;border-color:#059669}

/* me page */
.me-guest{display:flex;flex-direction:column;align-items:center;gap:12px;padding:40px 20px}
.me-avatar{font-size:64px}
.me-card{background:#fff;border-radius:14px;padding:18px;text-align:center;margin-bottom:12px}
.me-name{font-size:18px;font-weight:800}
.me-vip{display:inline-block;margin-top:6px;background:#fbbf24;color:#78350f;font-size:12px;font-weight:700;padding:3px 10px;border-radius:10px}
.cash-card{background:linear-gradient(135deg,#059669,#16a34a);color:#fff;border-radius:14px;padding:18px;margin-bottom:12px}
.cash-label{font-size:12px;opacity:.85}
.cash-amount{font-size:28px;font-weight:800;margin:6px 0 12px}
.cash-actions{display:flex;gap:8px}

/* buttons */
.btn{display:block;width:100%;padding:12px;border:none;border-radius:12px;font-size:15px;font-weight:700;cursor:pointer;background:#e5e7eb;color:#374151;margin-bottom:10px}
.btn.primary{background:linear-gradient(135deg,#16a34a,#059669);color:#fff}
.btn.small{width:auto;padding:8px 16px;font-size:13px;background:rgba(255,255,255,.2);color:#fff;margin:0}
.btn.ghost{background:transparent;color:#6b7280}
.btn.vip-btn{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff}
.btn.logout-btn{background:#f3f4f6;color:#6b7280}

/* tabbar */
.tabbar{position:fixed;bottom:0;left:0;right:0;max-width:480px;margin:0 auto;background:#fff;border-top:1px solid #e5e7eb;display:flex;z-index:30;padding-bottom:env(safe-area-inset-bottom)}
.tab-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 0 6px;font-size:18px;color:#9ca3af;cursor:pointer}
.tab-item span{font-size:10px}
.tab-item.active{color:#059669}

/* modal */
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal{background:#fff;border-radius:16px;padding:22px;width:100%;max-width:340px}
.modal-title{font-size:17px;font-weight:800;text-align:center;margin-bottom:16px}
.modal input{width:100%;padding:11px 14px;border:1px solid #e5e7eb;border-radius:10px;font-size:14px;margin-bottom:10px;outline:none}
.modal input:focus{border-color:#059669}
.wd-min{font-size:12px;color:#9ca3af;margin-bottom:10px}

/* empty / loading */
.empty{text-align:center;padding:50px 20px;color:#9ca3af}
.empty-title{font-size:15px;font-weight:600;margin-bottom:6px}
.empty-hint{font-size:13px}
.loading{text-align:center;padding:40px;color:#9ca3af;font-size:14px}