:root{--bg: #f4f6fb;--surface: #ffffff;--surface-2: #f8fafc;--text: #0f172a;--muted: #64748b;--line: #e2e8f0;--brand: #4f46e5;--brand-2: #7c3aed;--brand-soft: #eef2ff;--ok: #15803d;--ok-soft: #dcfce7;--bad: #b91c1c;--bad-soft: #fee2e2;--warn: #b45309;--warn-soft: #fef3c7;--info: #1d4ed8;--info-soft: #dbeafe;--radius: 16px;--shadow: 0 1px 2px rgb(15 23 42 / .05), 0 8px 24px rgb(15 23 42 / .06);color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #0b1020;--surface: #131a2e;--surface-2: #19223a;--text: #e8ecf8;--muted: #9aa6c4;--line: #26304d;--brand: #818cf8;--brand-2: #a78bfa;--brand-soft: #1f2547;--ok: #4ade80;--ok-soft: #0f2e1c;--bad: #f87171;--bad-soft: #3a1518;--warn: #fbbf24;--warn-soft: #33260a;--info: #93c5fd;--info-soft: #14274a;--shadow: 0 1px 2px rgb(0 0 0 / .4), 0 8px 24px rgb(0 0 0 / .35);color-scheme:dark}}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3{margin:0;line-height:1.2;letter-spacing:-.01em}h1{font-size:1.6rem}h2{font-size:1.15rem}h3{font-size:1rem}p{margin:0}a{color:var(--brand)}code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.page{max-width:1080px;margin:0 auto;padding:24px 16px 64px}.stack{display:grid;gap:16px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.spread{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start}@media(max-width:800px){.grid-2{grid-template-columns:1fr}}.muted{color:var(--muted)}.small{font-size:.85rem}.right{text-align:right}.card{background:var(--surface);border:1px solid 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span{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-weight:700;color:var(--muted)}.amount-input input{padding-left:32px;font-size:1.25rem;font-weight:700}.btn{font:inherit;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--text);padding:10px 16px;white-space:nowrap;flex-shrink:0;transition:transform .05s,box-shadow .15s,background .15s,opacity .15s}.btn:hover:not(:disabled){background:var(--surface-2)}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));border-color:transparent;color:#fff;box-shadow:0 6px 16px color-mix(in srgb,var(--brand) 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-4px}table{width:100%;border-collapse:collapse;font-size:.9rem}th{text-align:left;font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:700;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}td{padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:middle}tr:last-child td{border-bottom:0}.empty{text-align:center;color:var(--muted);padding:28px 10px}.topbar{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.topbar-inner{max-width:1080px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.05rem;letter-spacing:-.01em;white-space:nowrap}@media(max-width:600px){.topbar .brand 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span{opacity:.8;font-size:.9rem}.auth-form{display:grid;place-items:center;padding:24px}.auth-card{width:100%;max-width:400px;display:grid;gap:20px}.auth-card .brand{justify-content:center}.mobile-brand{display:none}@media(max-width:860px){.mobile-brand{display:flex}}.qr-card{text-align:center;display:grid;gap:14px;justify-items:center}.qr-frame{position:relative;padding:14px;background:#fff;border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow)}.qr-frame img{display:block;width:240px;height:240px;image-rendering:pixelated}.qr-frame.dim img{opacity:.15;filter:grayscale(1)}.qr-overlay{position:absolute;inset:0;display:grid;place-items:center;text-align:center;font-weight:800;padding:20px}.qr-amount{font-size:2rem;font-weight:800;letter-spacing:-.02em}.timer{font-variant-numeric:tabular-nums;font-weight:700}.qr-empty{display:grid;gap:10px;justify-items:center;color:var(--muted);padding:36px 12px;text-align:center}.qr-empty svg{opacity:.5}.paid{display:grid;gap:10px;justify-items:center;padding:18px 0}.paid .tick{width:84px;height:84px;border-radius:50%;display:grid;place-items:center;background:var(--ok-soft);color:var(--ok);animation:pop .35s ease-out}@keyframes pop{0%{transform:scale(.6);opacity:0}to{transform:scale(1);opacity:1}}.steps{display:flex;gap:8px;font-size:.8rem;color:var(--muted);justify-content:center;flex-wrap:wrap}