:root{
  --brand:#00b978; --brand-dark:#009661; --brand-light:#E6F8F2;
  --ink:#1A1A1A; --muted:#8A8A8A; --line:#EFEFEF; --bg:#F4F5F7;
  --ok:#12A150; --white:#fff; --radius:16px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg); color:var(--ink);
  padding-top:env(safe-area-inset-top);
  padding-bottom:env(safe-area-inset-bottom);
  -webkit-font-smoothing:antialiased;
}
.app{max-width:480px;margin:0 auto;min-height:100vh;background:var(--bg);position:relative}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none}

/* status bar spacer + top row */
.topbar{display:flex;align-items:center;gap:12px;padding:16px;background:var(--white)}
.topbar .avatar{width:40px;height:40px;border-radius:50%;background:var(--brand-light);
  display:flex;align-items:center;justify-content:center;color:var(--brand);position:relative;flex-shrink:0}
.topbar .avatar .tier{position:absolute;bottom:-2px;right:-2px;background:var(--brand);color:#fff;
  font-size:9px;width:16px;height:16px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700}
.topbar .hi{font-weight:700;font-size:16px;flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.topbar .tools{display:flex;gap:16px;color:var(--ink)}
.topbar .tools .badge{position:relative}
.topbar .tools .badge b{position:absolute;top:-6px;right:-8px;background:#F5333F;color:#fff;
  font-size:9px;padding:1px 4px;border-radius:8px;font-weight:700}

/* page header (transfer, receipt) */
.pagehead{display:flex;align-items:center;gap:14px;padding:16px;background:var(--white)}
.pagehead .t{font-size:18px;font-weight:600;flex:1}
.pagehead .link{color:var(--brand);font-weight:600}

/* balance card */
.balance{margin:14px;background:#00b978;border-radius:var(--radius);padding:18px;color:#fff;
  box-shadow:0 8px 20px rgba(0,185,120,.25)}
.balance .row1{display:flex;justify-content:space-between;align-items:flex-start}
.balance .lbl{display:flex;align-items:center;gap:6px;font-size:13px;opacity:.95}
.balance .amt{font-size:30px;font-weight:800;margin:8px 0 2px;display:flex;align-items:center;gap:6px}
.balance .amt small{font-size:18px;font-weight:800}
.balance .today{font-size:12px;opacity:.9}
.balance .add{border:1px solid rgba(255,255,255,.7);color:#fff;background:transparent;
  border-radius:20px;padding:8px 14px;font-weight:600;font-size:13px;display:flex;align-items:center;gap:4px}

/* txn strip */
.txnstrip{margin:0 14px;background:#eaf6ee;border-radius:12px;padding:12px 14px;display:flex;
  align-items:center;gap:8px;font-size:13px}
.txnstrip .ok{color:var(--ok);display:flex}
.txnstrip .grow{flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;color:#333}
.txnstrip .neg{font-weight:700;color:#1a1a1a}
.txnstrip .more{color:#333;display:flex;align-items:center;gap:2px;font-weight:500;flex-shrink:0}

/* quick actions */
.card{background:var(--white);border-radius:var(--radius);margin:14px;padding:16px}
.quick{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.quick a{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--ink);font-size:13px;font-weight:600}
.quick .ic{width:52px;height:52px;border-radius:14px;background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center}

/* services grid */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px 10px}
.grid a{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--ink);font-size:12.5px;text-align:center}
.grid .ic{width:46px;height:46px;border-radius:50%;background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center}

/* promo banner */
.promo{margin:14px;background:linear-gradient(120deg,#E6F8F2,#C8F2E3);border-radius:var(--radius);padding:16px;position:relative;overflow:hidden}
.promo h3{margin:0 0 10px;font-size:16px;letter-spacing:.3px}
.promo .prow{display:flex;align-items:center;gap:12px}
.promo .prow .co{font-size:30px}
.promo .ptxt{flex:1}
.promo .ptxt b{font-size:15px}
.promo .ptxt p{margin:2px 0 0;font-size:12px;color:#3d6b59;line-height:1.3}
.promo .go{background:var(--brand);color:#fff;border-radius:20px;padding:10px 22px;font-weight:700}

/* monitor row */
.monitor{margin:14px;background:var(--white);border-radius:var(--radius);padding:14px 16px;
  display:flex;align-items:center;gap:12px}
.monitor .mi{width:40px;height:40px;border-radius:12px;background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center}
.monitor .mt{flex:1;font-weight:600;font-size:15px}
.monitor .chev{color:#c9c9c9}

/* recents (transfer page) */
.tabs{display:flex;gap:24px;padding:4px 4px 0;border-bottom:1px solid var(--line);margin-bottom:6px}
.tabs .tab{padding:8px 0;font-weight:600;color:var(--muted);border-bottom:2px solid transparent}
.tabs .tab.active{color:var(--brand);border-bottom-color:var(--brand)}
.tabs .search{margin-left:auto;color:var(--brand)}
.ben{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.ben:last-child{border-bottom:none}
.ben .bi{width:40px;height:40px;border-radius:50%;background:#f1f1f1;display:flex;align-items:center;
  justify-content:center;font-weight:700;color:#666;flex-shrink:0;overflow:hidden}
.ben .bn{flex:1}
.ben .bn b{display:block;font-size:14.5px}
.ben .bn span{font-size:13px;color:var(--muted)}
.viewall{text-align:center;margin-top:12px}
.viewall span{background:#f2f2f2;border-radius:20px;padding:8px 18px;font-size:13px;color:#555;display:inline-flex;gap:4px;align-items:center}

/* forms */
.field{margin-bottom:6px}
.field label{display:block;font-size:12px;color:var(--muted);margin:0 0 4px}
.field input,.field select{width:100%;border:none;border-bottom:1px solid var(--line);
  padding:14px 0;font-size:16px;background:transparent;outline:none;color:var(--ink)}
.field .selrow{display:flex;align-items:center;border-bottom:1px solid var(--line)}
.field .selrow select{border:none;flex:1}
.resolved{color:var(--ok);font-weight:600;font-size:14px;padding:8px 0}
.resolved.err{color:#F5333F}
.btn{width:100%;background:var(--brand);color:#fff;border-radius:28px;padding:16px;
  font-size:16px;font-weight:700;margin-top:18px;transition:opacity .2s}
.btn:disabled{opacity:.45}
.btn.ghost{background:var(--brand-light);color:var(--brand)}

/* section title */
.sect{font-weight:700;font-size:17px;margin:0 0 12px}
.muted{color:var(--muted)}
.small{font-size:12.5px}

/* bottom nav */
.nav{position:sticky;bottom:0;background:var(--white);border-top:1px solid var(--line);
  display:grid;grid-template-columns:repeat(5,1fr);padding:8px 0 calc(8px + env(safe-area-inset-bottom));max-width:480px;margin:0 auto}
.nav a{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;color:var(--muted)}
.nav a.active{color:var(--brand)}
.spacer{height:12px}

/* receipt */
.receipt-wrap{padding:16px}
.receipt{background:#fff;border-radius:18px;padding:24px 22px;position:relative;overflow:hidden;
  box-shadow:0 6px 24px rgba(0,0,0,.06)}
.receipt::before,.receipt::after{content:"";position:absolute;width:22px;height:22px;border-radius:50%;background:var(--bg);top:120px}
.receipt::before{left:-11px}.receipt::after{right:-11px}
.receipt .rhead{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.receipt .logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:22px;color:var(--brand)}
.receipt .logo .dot{width:26px;height:26px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px}
.receipt .rtitle{color:#333;font-weight:600}
.receipt .amt{text-align:center;margin:10px 0 4px;font-size:34px;font-weight:800;color:var(--ok)}
.receipt .amt.fail{color:#F5333F}
.receipt .status{text-align:center;font-size:20px;margin-bottom:2px}
.receipt .date{text-align:center;color:var(--muted);font-size:13px;margin-bottom:16px}
.receipt .rule{border-top:1px dashed var(--line);margin:14px 0}
.receipt .line{display:flex;gap:16px;padding:9px 0;font-size:14px}
.receipt .line .k{color:var(--muted);width:120px;flex-shrink:0}
.receipt .line .v{font-weight:600;text-align:right;flex:1;word-break:break-word}
.receipt .foot{color:var(--muted);font-size:12px;line-height:1.5;margin-top:14px}
.receipt .wm{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:60px;font-weight:800;color:rgba(0,185,120,.06);transform:rotate(-30deg);pointer-events:none;letter-spacing:8px}
.share-row{display:flex;border-top:1px solid var(--line);margin-top:8px;background:#fff;
  position:sticky;bottom:0;max-width:480px}
.share-row a{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:16px;
  color:var(--brand);font-weight:600}
.share-row a+a{border-left:1px solid var(--line)}

/* toast / result */
.result{padding:40px 24px;text-align:center}
.result .big{width:84px;height:84px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.result .big.ok{background:#eaf6ee;color:var(--ok)}
.result .big.no{background:#fdeaea;color:#F5333F}
.result h2{margin:8px 0}
.result p{color:var(--muted)}

.notice{background:#FFF8E1;border:1px solid #FFE9A8;color:#8a6d00;border-radius:12px;
  padding:12px 14px;margin:14px;font-size:13px;line-height:1.5}
.hidden{display:none!important}
body.locked{overflow:hidden}

/* bottom-sheet modal */
.sheet{position:fixed;inset:0;z-index:60;display:none;
  align-items:flex-end;justify-content:center;
  background:rgba(0,0,0,.45)}
.sheet.show{display:flex}
.sheet .sheet-body{background:#fff;width:100%;max-width:480px;
  border-radius:20px 20px 0 0;padding:22px;
  padding-bottom:calc(22px + env(safe-area-inset-bottom));
  max-height:88vh;overflow-y:auto;
  box-shadow:0 -8px 30px rgba(0,0,0,.15);
  animation:sheetUp .22s ease}
@keyframes sheetUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
@media (prefers-reduced-motion:reduce){.sheet .sheet-body{animation:none}}