@media(max-width:700px){
  body{background:#f6f2ed}
  header{height:64px;padding:8px 12px}
  .brand .mark{font-size:15px;border-radius:9px;padding:9px 7px}
  .brand strong{font-size:14px}
  main{padding:18px 12px 96px}
  .hero{margin:4px auto 18px}
  .hero h1{font-size:32px}
  .hero p:last-child{font-size:15px;margin:0}
  .member-filter{position:sticky;top:72px;z-index:2;max-width:none;margin:0 0 12px;padding:12px;border-radius:14px;box-shadow:0 8px 22px rgba(53,39,26,.08)}
  .member-grid{gap:7px}
  .member{width:calc(50% - 4px);min-height:44px;padding:10px 7px;font-size:13px;border-radius:12px;box-shadow:0 5px 14px rgba(53,39,26,.06)}
  .alpha-separator{width:100%;font-size:17px;margin:10px 0 0}
  .welcome{display:grid;grid-template-columns:1fr auto;gap:10px;margin-bottom:12px;align-items:start}
  .welcome h1{font-size:28px;line-height:1.02}
  .welcome .eyebrow{font-size:10px;margin-bottom:5px}
  .balance{padding:10px 11px;border-radius:13px;min-width:118px}
  .balance strong{font-size:18px}
  .firehouse-open{margin-top:8px;padding-top:8px}
  .firehouse-open strong{font-size:15px}
  .account-open{grid-column:1/-1;width:auto;justify-self:start;margin-top:-4px}
  .quantity{position:sticky;top:64px;z-index:2;background:rgba(246,242,237,.94);backdrop-filter:blur(10px);margin:0 -12px 12px;padding:9px 12px;border-bottom:1px solid var(--line);gap:14px}
  .quantity button{width:46px;height:46px;font-size:26px}
  .quantity strong{font-size:28px}
  .products{grid-template-columns:1fr;gap:10px}
  .product{min-height:74px;padding:15px 16px;border-radius:16px}
  .product .icon{font-size:28px}
  .product strong{font-size:18px}
  .product b{font-size:26px}
  .booking-tools{margin:4px 0 12px}
  #group-open{width:100%;padding:12px}
  .topup-buttons{grid-template-columns:1fr;margin:14px 0}
  .topup-buttons .primary{width:100%;padding:13px}
  .admin-grid{grid-template-columns:1fr;gap:12px;margin-top:12px}
  .recent.card,.card{border-radius:16px;padding:17px}
  .recent{margin-top:14px}
  .row{align-items:flex-start;padding:10px 0}
  .row strong{white-space:nowrap}
  .insight-card,.account-card,.notification-card{margin-top:14px}
  .month-chart{height:130px}
  .group-card{position:fixed;inset:8px;z-index:12;overflow:auto;margin:0;padding:17px;border-radius:18px}
  .group-card .back{position:sticky;top:0;background:white;z-index:1;margin:-4px 0 12px;padding:8px 0}
  .group-members{display:flex!important;flex-wrap:wrap;gap:7px;align-items:center}
  .group-members .alpha-separator{width:auto;font-size:16px;margin:0 3px;color:var(--red)}
  .group-members .member-check{min-width:0;width:calc(50% - 4px);font-size:12px;padding:9px 7px}
  .group-members .member-check:has(input:checked){border-color:#1d9a55;background:#edf8f0;color:#174f2b}
  .group-selected-summary{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 10px}
  .group-chip{border:1px solid #b9d9c1;background:#edf8f0;color:#174f2b;border-radius:999px;padding:6px 9px;font-weight:800;font-size:12px}
  .stats{grid-template-columns:1fr;gap:9px}
  .stat{padding:14px;border-radius:14px}
  .stat strong{font-size:22px}
  .admin-control-panel{margin:12px 0}
  .admin-control-grid{grid-template-columns:1fr;gap:10px}
  .admin-control-section{padding:14px;border-radius:14px}
  .admin-collapse{position:sticky;top:64px;z-index:1}
  table{font-size:13px}
  th,td{padding:9px 7px}
  .ops-dashboard{grid-template-columns:1fr 1fr;gap:8px;margin:12px 0}
  .ops-dashboard div{padding:12px;border-radius:12px}
  .ops-dashboard b{font-size:19px}
  .detail-modal{padding:8px}
  .detail-box{max-height:92vh;padding:18px;border-radius:18px}
  .pin-card{padding:18px}
  .keypad button{padding:13px}
  .toast{left:12px;right:12px;bottom:14px;transform:translateY(30px);text-align:center}
  .toast.show{transform:translateY(0)}
}

@media(max-width:380px){
  .member,.group-members .member-check{width:100%}
  .welcome{grid-template-columns:1fr}
  .balance{text-align:left}
}