:root{--bg:#f4f4f6;--surface:#ffffff;--ink:#16161a;--ink-soft:#6b6b76;--ink-faint:#a1a1ad;--line:#e4e4e9;--brand:#16161a;--accent:#16161a;--accent-soft:#f4f4f6;--brand-red:#d12f28;--success:#127346;--success-bg:#e8f6ee;--warn:#92600f;--warn-bg:#fdf3e2;--danger:#c02a22;--danger-bg:#fdeeed;--radius:14px;--radius-lg:20px;--shadow:0 1px 3px rgba(22,22,26,0.08),0 1px 2px rgba(22,22,26,0.05);--shadow-lift:0 8px 24px rgba(22,22,26,0.12)}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,system-ui,sans-serif;-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%;overscroll-behavior-y:contain}.shell{max-width:430px;margin:0 auto;padding:20px 18px calc(32px + env(safe-area-inset-bottom));min-height:100dvh}.brand,.shell{display:flex;flex-direction:column}.brand{align-items:center;gap:8px;padding:12px 0 22px;text-align:center}.brand img{display:block;width:100%;max-width:236px;height:auto}body[data-stage=paying] .brand{padding:4px 0 12px}body[data-stage=paying] .brand img{max-width:132px}body[data-stage=paying] .brand-tagline{display:none}.brand-fallback{font-size:21px;font-weight:700;letter-spacing:-.02em}.brand-tagline{font-size:13px;color:var(--ink-soft)}.card{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:22px 18px}.card+.card{margin-top:14px}.section-title{font-size:12px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-faint);margin:0 0 14px}.field{margin-bottom:16px}.field:last-child{margin-bottom:0}.label{display:block;font-size:14px;font-weight:600;margin-bottom:7px}.hint{font-size:12.5px;color:var(--ink-soft);margin-top:6px;line-height:1.45}input[type=email],input[type=number],input[type=password],input[type=tel],input[type=text]{width:100%;font-size:16px;font-family:inherit;color:var(--ink);background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius);padding:13px 14px;outline:none;transition:border-color .15s,box-shadow .15s}input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(22,22,26,.12)}input[aria-invalid=true]{border-color:var(--danger)}.amount-wrap{position:relative}.amount-wrap .currency{position:absolute;left:16px;top:50%;transform:translateY(-50%);font-size:26px;font-weight:600;color:var(--ink-faint);pointer-events:none}.amount-wrap input{font-size:30px;font-weight:700;padding:16px 14px 16px 38px;letter-spacing:-.01em}.quick-amounts{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:8px;gap:8px;margin-top:10px}.quick-amounts button{font-size:14px;font-weight:600;font-family:inherit;color:var(--ink);background:var(--bg);border:1.5px solid var(--line);border-radius:11px;padding:10px 0;cursor:pointer}.quick-amounts button[aria-pressed=true]{border-color:var(--brand);background:var(--brand);color:#fff}.segments{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px}.segment{font-family:inherit;text-align:left;background:var(--bg);border:1.5px solid var(--line);border-radius:var(--radius);padding:13px;cursor:pointer}.segment[aria-pressed=true]{border-color:var(--accent);background:var(--accent-soft);box-shadow:inset 0 0 0 1px var(--accent)}.segment-title{display:block;font-size:14.5px;font-weight:650;color:var(--ink)}.segment-sub{display:block;font-size:12px;color:var(--ink-soft);margin-top:3px;line-height:1.35}.pin-inputs{display:flex;gap:10px;justify-content:center}.pin-inputs input{width:58px;height:66px;text-align:center;font-size:27px;font-weight:700;padding:0}.btn{display:flex;align-items:center;justify-content:center;gap:9px;width:100%;font-family:inherit;font-size:16.5px;font-weight:650;border:none;border-radius:var(--radius);padding:16px;cursor:pointer;transition:opacity .15s,transform .05s}.btn:active:not(:disabled){transform:scale(.99)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--brand);color:#fff}.btn-secondary{background:var(--surface);color:var(--ink);border:1.5px solid var(--line)}.method-list{display:flex;flex-direction:column;gap:10px}.method{display:flex;align-items:center;gap:13px;width:100%;font-family:inherit;text-align:left;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius);padding:14px;cursor:pointer}.method[aria-pressed=true]{border-color:var(--accent);background:var(--accent-soft);box-shadow:inset 0 0 0 1px var(--accent)}.method:disabled{cursor:not-allowed;background:var(--bg);opacity:.72}.method-mark{flex:0 0 42px;height:42px;border-radius:11px;display:grid;place-items:center;font-size:15px;font-weight:800;color:#fff;letter-spacing:-.02em}.method-body{flex:1 1;min-width:0}.method-name{display:block;font-size:15.5px;font-weight:650}.method-note{display:block;font-size:12.5px;color:var(--ink-soft);margin-top:2px;line-height:1.4}.method-tag{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-faint);background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:4px 9px;white-space:nowrap}.balance{text-align:center;padding:6px 0 4px}.balance-label{font-size:13px;color:var(--ink-soft)}.balance-value{font-size:46px;font-weight:750;letter-spacing:-.03em;margin-top:2px}.notice{border-radius:var(--radius);padding:13px 14px;font-size:13.5px;line-height:1.5;margin-bottom:14px}.notice-error{background:var(--danger-bg);color:var(--danger)}.notice-warn{background:var(--warn-bg);color:var(--warn)}.notice-success{background:var(--success-bg);color:var(--success)}.notice-info{background:var(--accent-soft);color:var(--ink-soft)}.status-page{flex:1 1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px;padding:40px 8px}.status-icon{width:76px;height:76px;border-radius:50%;display:grid;place-items:center}.status-title{font-size:23px;font-weight:700;letter-spacing:-.02em;margin:0}.status-text{font-size:15px;color:var(--ink-soft);line-height:1.55;margin:0;max-width:320px}.footer{margin-top:auto;padding-top:22px;text-align:center;font-size:11.5px;color:var(--ink-faint);line-height:1.6}.spinner{width:17px;height:17px;border:2.5px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .65s linear infinite}.spinner-dark{border-color:rgba(59,45,36,.2);border-top-color:var(--ink)}@keyframes spin{to{transform:rotate(1turn)}}.divider{display:flex;align-items:center;gap:12px;margin:18px 0;color:var(--ink-faint);font-size:12px;font-weight:600}.divider:after,.divider:before{content:"";flex:1 1;height:1px;background:var(--line)}.receipt-row{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:7px 0}.receipt-row dt{color:var(--ink-soft);margin:0}.receipt-row dd{margin:0;font-weight:600;text-align:right;word-break:break-word}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}