/* ===== Tokens ===== */
:root{
  --bg:#F2F5F3;--surface:#fff;--surface-2:#FAFBFA;--ink:#13201A;--muted:#58655D;--faint:#86928B;
  --line:#E2E8E3;--line2:#CBD4CD;
  --brand:#0B7A3E;--brand-d:#085E30;--brand-t:#E7F4EC;--brand-ring:rgba(11,122,62,.20);
  --amber:#9A5A06;--amber-t:#FDF3E0;--amber-line:#F1DDB0;--amber-ink:#6E4004;--amber-sub:#7A5A1D;
  --red:#B42318;--red-t:#FDECEA;--red-line:#E9B7B2;
  --radius:12px;--radius-sm:8px;
  --shadow:0 1px 2px rgba(19,32,26,.05),0 4px 16px -8px rgba(19,32,26,.08);
  --shadow-pop:0 12px 32px -8px rgba(19,32,26,.28);
  color-scheme:light;
}
@media(prefers-color-scheme:dark){
  :root{
    --bg:#0E1512;--surface:#16201B;--surface-2:#1A2620;--ink:#E8EFEA;--muted:#A3B0A8;--faint:#76837B;
    --line:#26332C;--line2:#34443B;
    --brand:#22A35B;--brand-d:#5BD08C;--brand-t:#133624;--brand-ring:rgba(34,163,91,.32);
    --amber:#F0B45A;--amber-t:#2B2111;--amber-line:#4A3A1B;--amber-ink:#F6D499;--amber-sub:#D9B877;
    --red:#F28B82;--red-t:#32181A;--red-line:#5E2C2F;
    --shadow:0 1px 2px rgba(0,0,0,.4);--shadow-pop:0 12px 32px -8px rgba(0,0,0,.7);
    color-scheme:dark;
  }
}

/* ===== Base ===== */
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;background:var(--bg);color:var(--ink);
  font:15px/1.5 'Figtree',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--brand-d);text-underline-offset:2px}
a:hover{color:var(--brand)}
code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.9em;background:var(--bg);padding:1px 6px;border-radius:5px}
[hidden]{display:none!important}
h1{font-size:22px;line-height:1.25;margin:0 0 4px;letter-spacing:-.01em}
h2{font-size:16px;margin:0}
.lead{margin:0 0 22px;color:var(--muted);font-size:14px}

/* ===== Header / nav ===== */
.topbar{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--surface) 88%,transparent);
  -webkit-backdrop-filter:saturate(1.4) blur(10px);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.topbar-in{max-width:1040px;margin:0 auto;padding:0 20px;height:60px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);text-decoration:none;white-space:nowrap}
.brand:hover{color:var(--ink)}
.brand-mark{width:28px;height:28px;border-radius:7px;background:linear-gradient(135deg,var(--brand),var(--brand-d));display:grid;place-items:center;flex:none}
.brand-mark svg{width:16px;height:16px}
.nav{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{padding:8px 12px;border-radius:var(--radius-sm);color:var(--muted);text-decoration:none;font-weight:600;font-size:14px;white-space:nowrap;transition:background .15s,color .15s}
.nav a:hover{background:var(--bg);color:var(--ink)}
.nav a[aria-current=page]{background:var(--brand-t);color:var(--brand-d)}
.nav a:focus-visible,.brand:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ===== Layout ===== */
.page{flex:1;width:100%;max-width:1040px;margin:0 auto;padding:32px 20px 48px}
.layout{display:grid;grid-template-columns:minmax(0,420px) minmax(0,1fr);gap:24px;align-items:start}
/* single-column pages (pay form + recent list) */
.layout[style*="justify-content:center"]{gap:20px}
@media(max-width:860px){.layout{grid-template-columns:minmax(0,1fr)!important}}
@media(max-width:520px){.page{padding:20px 14px 36px}.pad{padding:20px!important}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);min-width:0}
.pad{padding:24px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;border-bottom:1px solid var(--line)}

/* ===== Live indicator ===== */
.live{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--muted)}
.live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand);animation:pulse 2s ease-in-out infinite}
.live.off::before{background:#C2682A;animation:none}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 var(--brand-ring)}50%{box-shadow:0 0 0 4px transparent}}

/* ===== Forms ===== */
.field{margin-bottom:16px}
label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.input{width:100%;height:44px;padding:0 12px;border:1px solid var(--line2);border-radius:var(--radius-sm);background:var(--surface);color:var(--ink);font:inherit;
  transition:border-color .15s,box-shadow .15s}
select.input{padding-right:8px}
.input::placeholder{color:var(--faint)}
.input:hover{border-color:var(--faint)}
.input:focus-visible{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-ring)}
.input:disabled{background:var(--bg);color:var(--faint);cursor:not-allowed}
.input[aria-invalid=true]{border-color:var(--red)}
.input[aria-invalid=true]:focus-visible{box-shadow:0 0 0 3px color-mix(in srgb,var(--red) 25%,transparent)}
input[type=number]{-moz-appearance:textfield;appearance:textfield}
input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
/* 16px on touch devices stops iOS zooming into focused inputs */
@media(max-width:720px){.input{font-size:16px}}
.prefix{position:relative}
.prefix span{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted);font-weight:600;font-size:13px;pointer-events:none}
.prefix .input{padding-left:48px}
.err{margin:6px 0 0;font-size:12.5px;color:var(--red)}
.note{display:flex;align-items:center;justify-content:center;gap:6px;margin:16px 0 0;font-size:12.5px;color:var(--muted);text-align:center}
.note svg{flex:none}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 18px;border-radius:var(--radius-sm);border:1px solid transparent;
  font:inherit;font-weight:600;cursor:pointer;transition:background .15s,border-color .15s,transform .05s}
.btn:active:not(:disabled){transform:translateY(1px)}
.btn:focus-visible,.tx-del:focus-visible,.seg button:focus-visible,.toast-x:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn-primary{width:100%;background:var(--brand);color:#fff}
.btn-primary:hover:not(:disabled){background:var(--brand-d);color:#fff}
@media(prefers-color-scheme:dark){.btn-primary:hover:not(:disabled){background:#1B8F4E}}
.btn-sm{height:36px;padding:0 12px;font-size:13px}
.btn-ghost{background:var(--surface);border-color:var(--line2);color:var(--ink)}
.btn-ghost:hover:not(:disabled){background:var(--bg);color:var(--ink)}
.btn-danger{background:var(--surface);border-color:var(--red-line);color:var(--red)}
.btn-danger:hover:not(:disabled){background:var(--red-t);color:var(--red)}

/* ===== Progress ===== */
.progress{display:none;align-items:center;gap:12px;margin-top:16px;padding:14px 16px;border-radius:10px;background:var(--amber-t);border:1px solid var(--amber-line)}
.progress.show{display:flex}
.spinner{flex:none;width:20px;height:20px;border-radius:50%;border:2.5px solid var(--amber-line);border-top-color:var(--amber);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.progress b{display:block;font-size:14px;color:var(--amber-ink)}
.progress small{font-size:13px;color:var(--amber-sub)}

/* ===== Badges ===== */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 9px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.badge.success{background:var(--brand-t);color:var(--brand-d)}
.badge.pending{background:var(--amber-t);color:var(--amber)}
.badge.failed{background:var(--red-t);color:var(--red)}

/* ===== Toolbar / search / segmented ===== */
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:14px 20px;border-bottom:1px solid var(--line)}
.search{position:relative;flex:1;min-width:180px}
.search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--faint);pointer-events:none}
.search .input{height:38px;padding-left:36px;font-size:14px}
@media(max-width:720px){.search .input{font-size:16px}}
.seg{display:inline-flex;gap:2px;padding:3px;background:var(--bg);border-radius:9px;max-width:100%;overflow-x:auto;scrollbar-width:none}
.seg::-webkit-scrollbar{display:none}
.seg button{border:0;background:none;font:inherit;font-size:13px;font-weight:600;color:var(--muted);padding:5px 12px;border-radius:7px;cursor:pointer;white-space:nowrap;transition:background .15s,color .15s}
.seg button:hover{color:var(--ink)}
.seg button[aria-pressed=true]{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.14)}

/* ===== Transactions ===== */
.tx-list{list-style:none;margin:0;padding:0}
.tx,.tx-head{display:grid;align-items:center;gap:12px;padding:13px 20px}
.tx{border-bottom:1px solid var(--line);transition:background .12s}
.tx:last-child{border-bottom:0;border-radius:0 0 var(--radius) var(--radius)}
.tx:hover{background:var(--surface-2)}
.tx.busy{opacity:.4;pointer-events:none}
.tx-full,.tx-head{grid-template-columns:minmax(0,2fr) minmax(0,1.2fr) 100px 120px 84px 34px}
.tx-compact{grid-template-columns:minmax(0,1fr) auto 34px}
.tx-head{padding-top:10px;padding-bottom:10px;background:var(--surface-2);border-bottom:1px solid var(--line);font-size:12.5px;font-weight:600;color:var(--muted)}
.tx-head .r{text-align:right}
.tx-name{font-weight:600;font-size:14px}
.tx-name,.tx-sub{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tx-sub,.tx-time{font-size:12.5px;color:var(--muted)}
.tx-time,.tx-amount{text-align:right;white-space:nowrap}
.tx-amount{font-weight:700}
.tx-stack{display:flex;flex-direction:column;align-items:flex-end;gap:4px}
.tx-del{width:34px;height:34px;border:0;border-radius:var(--radius-sm);background:none;color:var(--faint);cursor:pointer;display:grid;place-items:center;transition:background .15s,color .15s}
.tx-del:hover{background:var(--red-t);color:var(--red)}
.tx-del svg{width:17px;height:17px}
@media(max-width:1000px) and (min-width:721px){
  .tx-full,.tx-head{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) 90px 110px 80px 34px;gap:8px;padding-left:14px;padding-right:14px}
}
@media(max-width:720px){
  .tx,.toolbar{padding-left:16px;padding-right:16px}
  .tx-head{display:none}
  .tx-full{grid-template-columns:minmax(0,1fr) auto 34px;grid-template-areas:"who amt del" "rec st del" "time time del";row-gap:4px}
  .tx-full .who{grid-area:who;min-width:0}.tx-full .rec{grid-area:rec;min-width:0}.tx-full .st{grid-area:st;justify-self:end}
  .tx-full .tx-amount{grid-area:amt}.tx-full .tx-time{grid-area:time;text-align:left}.tx-full .tx-del{grid-area:del}
  .tx-full .rec:empty{display:none}
}
.empty{padding:40px 20px;text-align:center;color:var(--muted);font-size:14px}
.empty b{display:block;color:var(--ink);margin-bottom:2px}

/* ===== Toasts ===== */
.toasts{position:fixed;top:16px;right:16px;left:16px;z-index:1000;display:flex;flex-direction:column;align-items:flex-end;gap:10px;pointer-events:none}
.toast{pointer-events:auto;display:flex;gap:12px;width:100%;max-width:380px;padding:14px 12px 14px 16px;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--brand);
  border-radius:10px;box-shadow:var(--shadow-pop);animation:in .2s ease-out}
.toast.failed{border-left-color:var(--red)}.toast.info{border-left-color:var(--amber)}
.toast.hide{opacity:0;transform:translateY(-6px);transition:.18s}
@keyframes in{from{opacity:0;transform:translateY(-6px)}}
.toast-body{flex:1;min-width:0}
.toast-title{font-weight:700;font-size:14.5px}
.toast-desc{font-size:13px;color:var(--muted);overflow-wrap:anywhere}
.toast-x{border:0;background:none;width:24px;height:24px;border-radius:6px;color:var(--muted);cursor:pointer;font-size:18px;line-height:1;flex:none}
.toast-x:hover{background:var(--bg);color:var(--ink)}
.rcpt{margin-top:10px;padding-top:10px;border-top:1px dashed var(--line2)}
.rcpt div{display:flex;justify-content:space-between;gap:12px;font-size:13px;padding:2px 0}
.rcpt span:first-child{color:var(--muted)}.rcpt span:last-child{font-weight:600;text-align:right;overflow-wrap:anywhere}

/* ===== Footer ===== */
.site-footer{padding:20px;text-align:center;color:var(--faint);font-size:13px}

/* ===== Motion / print ===== */
@media(prefers-reduced-motion:reduce){.spinner{animation-duration:2.4s}.toast,.live::before{animation:none}.btn,.input,.tx{transition:none}}
@media print{.topbar,.site-footer,.toasts{display:none}body{background:#fff}.card{box-shadow:none}}