:root{--bg: #0a0e1a;--bg-soft: #111726;--card: #141b2e;--card-2: #18203500;--border: #26314d;--border-soft: #1d2740;--text: #eaf0fb;--muted: #8b99b8;--primary: #4f8cff;--primary-2: #5ad1ff;--primary-hover: #3b78f0;--green: #25d366;--red: #ff5c6c;--yellow: #f5c542;--radius: 16px;--shadow: 0 18px 50px rgba(0, 0, 0, .45);--grad: linear-gradient(135deg, var(--primary), var(--primary-2))}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;min-height:100%}body{background:radial-gradient(900px 500px at 85% -5%,rgba(90,209,255,.1),transparent 60%),radial-gradient(1000px 600px at 10% 0%,rgba(79,140,255,.12),transparent 55%),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased;letter-spacing:.1px}a{color:var(--primary);text-decoration:none;cursor:pointer;transition:color .15s}a:hover{color:var(--primary-2);text-decoration:none}.container{max-width:980px;margin:0 auto;padding:26px 18px 60px}.center-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px 16px}.card{position:relative;background:linear-gradient(180deg,rgba(255,255,255,.03),transparent),var(--card);border:1px solid var(--border);border-radius:20px;padding:32px 30px;width:100%;max-width:440px;box-shadow:var(--shadow);animation:pop .35s ease}.card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:20px;padding:1px;background:linear-gradient(140deg,rgba(90,209,255,.5),transparent 40%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;opacity:.6}@keyframes pop{0%{transform:translateY(8px);opacity:0}to{transform:none;opacity:1}}.brand{font-size:23px;font-weight:800;letter-spacing:.3px;margin-bottom:4px;display:flex;align-items:center;gap:2px}.brand span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}.subtitle{color:var(--muted);font-size:14px;margin-bottom:24px}label{display:block;font-size:12.5px;color:var(--muted);margin:15px 0 7px;font-weight:500}input,select{width:100%;padding:12px 14px;background:var(--bg-soft);border:1px solid var(--border);border-radius:11px;color:var(--text);font-size:15px;outline:none;transition:border-color .15s,box-shadow .15s,background .15s}input::placeholder{color:#54607d}input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f8cff2e;background:#0e1524}button{cursor:pointer;border:none;border-radius:11px;font-size:15px;font-weight:600;padding:12px 18px;transition:transform .08s,background .15s,opacity .15s,box-shadow .15s;font-family:inherit;color:#fff}button:active{transform:translateY(1px)}.btn-primary{width:100%;margin-top:22px;background:var(--grad);color:#04122e;font-weight:700;box-shadow:0 8px 22px #4f8cff47}.btn-primary:hover{box-shadow:0 10px 28px #4f8cff66}.btn-primary:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}.btn-ghost{background:#ffffff08;border:1px solid var(--border);color:var(--text)}.btn-ghost:hover{background:#ffffff12;border-color:var(--primary)}.btn-sm{padding:8px 13px;font-size:13px;border-radius:9px}.alert{padding:12px 14px;border-radius:11px;font-size:14px;margin-top:16px;line-height:1.4}.alert-error{background:#ff5c6c1a;border:1px solid rgba(255,92,108,.35);color:#ffb3bb}.alert-success{background:#25d3661a;border:1px solid rgba(37,211,102,.35);color:#93f0b6}.muted{color:var(--muted);font-size:13px}.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media (max-width: 560px){.grid-2{grid-template-columns:1fr}}.link-row{text-align:center;margin-top:18px;font-size:14px;color:var(--muted)}.topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:15px 22px;border-bottom:1px solid var(--border-soft);background:#0d121fbf;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.topbar .brand{font-size:19px;margin:0}.section{position:relative;background:linear-gradient(180deg,rgba(255,255,255,.02),transparent),var(--card);border:1px solid var(--border-soft);border-radius:var(--radius);padding:24px;margin-bottom:18px;transition:border-color .2s}.section:hover{border-color:var(--border)}.section h2{margin:0 0 4px;font-size:17px;font-weight:700}.section h3{margin:0 0 16px;font-size:13.5px;color:var(--muted);font-weight:500}.qr-box{text-align:center;padding:18px;margin-top:18px;border-top:1px dashed var(--border)}.qr-box img{width:240px;height:240px;background:#fff;border-radius:14px;padding:10px;box-shadow:0 10px 30px #0006}.copy-area{display:flex;gap:8px;margin-top:12px}.copy-area input{font-size:12px}.badge{display:inline-block;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;border:1px solid transparent}.badge-pending{background:#f5c54221;color:#ffe08a;border-color:#f5c54240}.badge-paid{background:#25d36621;color:#8df0b3;border-color:#25d36640}.badge-failed{background:#ff5c6c21;color:#ffb0b8;border-color:#ff5c6c40}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--border-soft)}th{color:var(--muted);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.5px}tbody tr{transition:background .12s}tbody tr:hover{background:#ffffff05}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}@media (max-width: 720px){.stat-grid{grid-template-columns:repeat(2,1fr)}}.stat{position:relative;overflow:hidden;background:linear-gradient(180deg,rgba(79,140,255,.08),transparent),var(--bg-soft);border:1px solid var(--border-soft);border-radius:14px;padding:16px}.stat:after{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad)}.stat .value{font-size:23px;font-weight:800}.stat .label{color:var(--muted);font-size:12px;margin-top:3px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#040810b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:16px;z-index:50;animation:fade .2s ease}@keyframes fade{0%{opacity:0}to{opacity:1}}.modal{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:26px;width:100%;max-width:480px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow);animation:pop .25s ease}.modal h2{margin:0 0 16px;font-size:18px}.switch{display:inline-flex;align-items:center;gap:10px;cursor:pointer;-webkit-user-select:none;user-select:none}.switch input{display:none}.switch .track{width:48px;height:27px;border-radius:999px;background:var(--border);position:relative;transition:background .18s}.switch .track:after{content:"";position:absolute;top:3px;left:3px;width:21px;height:21px;border-radius:50%;background:#fff;transition:transform .18s;box-shadow:0 2px 5px #0000004d}.switch input:checked+.track{background:linear-gradient(135deg,var(--green),#1fa855)}.switch input:checked+.track:after{transform:translate(21px)}.radio-row{display:flex;align-items:flex-start;gap:12px;cursor:pointer;padding:14px;border:1px solid var(--border-soft);border-radius:12px;margin-top:10px;background:var(--bg-soft);transition:border-color .15s,background .15s}.radio-row:hover{border-color:var(--border)}.radio-row input{width:auto;margin-top:3px;accent-color:var(--primary)}.radio-row strong{font-size:14px}