: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}.qr-wrap{position:relative;display:inline-block}.qr-wrap img{transition:filter .2s,opacity .2s}.qr-faded{filter:grayscale(1) blur(2px);opacity:.35}.qr-expired{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px;color:#fff;letter-spacing:.5px;background:#ff5c6c59;border:2px solid var(--red);border-radius:14px;text-shadow:0 2px 6px rgba(0,0,0,.6)}.countdown{font-variant-numeric:tabular-nums;color:var(--primary-2)}.countdown.danger{color:var(--red)}.badge{display:inline-block;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;border:1px solid transparent;white-space:nowrap}.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-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -4px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--border-soft);white-space:nowrap;vertical-align:middle}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}td .muted{white-space:normal}.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)}.stepper{display:flex;align-items:flex-start;margin:6px 0 4px}.step{position:relative;flex:1;text-align:center}.step-dot{width:30px;height:30px;border-radius:50%;margin:0 auto 6px;display:flex;align-items:center;justify-content:center;background:var(--bg-soft);border:2px solid var(--border);color:var(--muted);font-weight:700;font-size:13px;position:relative;z-index:2}.step-label{font-size:11.5px;color:var(--muted);padding:0 4px}.step-bar{position:absolute;top:14px;left:50%;width:100%;height:3px;background:var(--border);z-index:1}.step.done .step-dot{background:var(--green);border-color:var(--green);color:#04122e}.step.done .step-bar{background:var(--green)}.step.active .step-dot{border-color:var(--primary);color:var(--primary-2);box-shadow:0 0 0 4px #4f8cff2e}.step.active .step-label{color:var(--text);font-weight:600}.detail-row{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px solid var(--border-soft);font-size:14px}.detail-label{color:var(--muted);flex-shrink:0}.detail-value{text-align:right;word-break:break-all}.detail-value.mono{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:12.5px}.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}.radio-inline{display:inline-flex;align-items:center;gap:6px;cursor:pointer;font-size:14px;color:var(--text);margin:0}.radio-inline input{width:auto;accent-color:var(--primary)}.pay-amount{font-size:30px;font-weight:800;text-align:center;margin:6px 0}.spinner{display:inline-block;width:18px;height:18px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;vertical-align:middle}.spinner.lg{width:26px;height:26px;border-width:3px}@keyframes spin{to{transform:rotate(360deg)}}.loading-box{display:flex;align-items:center;justify-content:center;gap:10px;color:var(--muted);padding:24px 0;font-size:14px}.icon-btn{background:transparent;border:1px solid var(--border);border-radius:9px;padding:7px 10px;color:var(--text);cursor:pointer;font-size:15px;line-height:1;transition:background .15s,border-color .15s}.icon-btn:hover{background:var(--bg-soft);border-color:var(--primary)}.icon-btn:disabled{opacity:.6;cursor:default}.spin-icon{display:inline-block}.spin-icon.spinning{animation:spin .7s linear infinite}.toaster{position:fixed;top:16px;right:16px;z-index:100;display:flex;flex-direction:column;gap:8px;max-width:360px}.toast{padding:13px 16px;border-radius:11px;font-size:14px;font-weight:600;box-shadow:0 12px 30px #0006;animation:toastin .22s ease;display:flex;align-items:center;gap:8px;border:1px solid transparent}.toast-success{background:#11331f;color:#93f0b6;border-color:#25d36680}.toast-error{background:#34141a;color:#ffb3bb;border-color:#ff5c6c80}@keyframes toastin{0%{transform:translate(20px);opacity:0}to{transform:none;opacity:1}}@media (max-width: 600px){.toaster{left:12px;right:12px;max-width:none}}@media (max-width: 600px){.container{padding:16px 12px 48px}.topbar{padding:12px 14px}.topbar .brand{font-size:17px}.section{padding:18px 14px}.card{padding:24px 18px}.qr-box img{width:200px;height:200px}.step-label{font-size:10px}.detail-row{flex-direction:column;gap:2px}.detail-value{text-align:left}td .row{gap:6px}}td .row{flex-wrap:wrap}