:root{--ink:#1a1d1a;--forest:#0f6e56;--forest-deep:#04342c;--sage:#9fe1cb;--cream:#fdfbf7;--line:#e7e2d6;--muted:#5b625b;--clay:#b4633a;--brand:#0f6e56}*{box-sizing:border-box}body{margin:0;background:#eef1f4;color:var(--ink);font-family:Inter Tight,Inter,Noto Sans Bengali,system-ui,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased}.wrap{max-width:480px;margin:0 auto;min-height:100vh;background:var(--cream)}.top{display:flex;align-items:center;justify-content:space-between;padding:16px 18px}.iconbtn{background:none;border:0;color:var(--ink);font-size:20px;opacity:.6;cursor:pointer}.head{gap:12px;padding:6px 18px 14px}.head,.logo{display:flex;align-items:center}.logo{width:46px;height:46px;border-radius:50%;background:var(--brand);color:#fff;justify-content:center;font-size:18px;flex:0 0 auto}.head h1,.logo{font-weight:700}.head h1{font-size:17px;margin:0}.inv{font-size:12px;color:var(--muted);margin-top:2px;word-break:break-all}.amtbar{background:var(--brand);color:#fff;text-align:center;padding:14px;font-size:15px;font-weight:600}.amtbar b{font-size:20px}.body{padding:20px 18px 30px}.sandbox{background:var(--clay);color:#fff;text-align:center;padding:8px;border-radius:8px;font-size:13px;font-weight:600;margin-bottom:14px}.tabs{display:flex;gap:10px;margin-bottom:18px}.tab{flex:1 1;text-align:center;padding:12px;border-radius:10px;font-weight:600;background:#fff;border:1px solid var(--line);font-size:14px}.tab.on{background:var(--forest);color:#fff;border-color:var(--forest)}.tab.off{opacity:.5}.grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:12px;gap:12px}.tile{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;align-items:center;gap:12px;cursor:pointer;font-weight:600;font-size:15px;transition:transform .08s,box-shadow .2s;text-align:left;width:100%}.tile:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(0,0,0,.08)}.badge{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;flex:0 0 auto}.badge,.h2{font-size:15px}.h2{font-weight:700;margin:0 0 12px}.muted{color:var(--muted);font-size:14px}.numwrap{background:var(--brand);border-radius:14px;padding:18px;color:#fff;position:relative}.numlabel{font-size:11px;letter-spacing:.14em;text-transform:uppercase;opacity:.85}.num{font-size:30px;font-weight:800;letter-spacing:.02em}.copy{position:absolute;top:16px;right:16px;background:hsla(0,0%,100%,.2);border:0;color:#fff;border-radius:8px;padding:8px 10px;cursor:pointer;font:inherit;font-size:13px}.steps{list-style:none;padding:0;margin:16px 0 0}.steps li{display:flex;gap:10px;margin-bottom:12px;font-size:14px}.steps .n{width:22px;height:22px;border-radius:50%;background:var(--brand);color:#fff;font-size:12px;flex:0 0 auto}.steps .n,.wait{display:flex;align-items:center;justify-content:center;font-weight:700}.wait{gap:10px;margin:20px 0 6px;color:var(--brand)}.spin{width:16px;height:16px;border:2px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.link{display:block;text-align:center;color:var(--brand);font-size:13px;font-weight:600;background:none;margin:6px auto 0}.btn,.link{border:0;cursor:pointer;width:100%}.btn{margin-top:16px;padding:13px;border-radius:10px;background:var(--forest);color:#fff;font:inherit;font-weight:700}.btn:hover{background:var(--forest-deep)}.btn:disabled{opacity:.5;cursor:default}.btn.ghost{background:#fff;color:var(--ink)}.btn.ghost,input{border:1px solid var(--line)}input{width:100%;padding:12px;border-radius:10px;font:inherit;color:inherit}.backdrop{position:fixed;inset:0;background:hsla(0,0%,4%,.55);display:flex;align-items:center;justify-content:center;padding:20px;z-index:5}.modal{background:var(--brand);color:#fff;border-radius:16px;padding:22px;max-width:380px;width:100%}.modal h3{margin:0 0 6px;display:flex;align-items:center;justify-content:space-between}.modal input{background:hsla(0,0%,100%,.12);border-color:hsla(0,0%,100%,.3);color:#fff}.modal .btn{background:#fff;color:var(--brand)}.xclose{background:hsla(0,0%,100%,.2);border:0;color:#fff;border-radius:8px;padding:4px 10px;cursor:pointer;font:inherit;font-size:13px}.confirm{text-align:center;padding:26px 0}.check{width:80px;height:80px;margin:0 auto 14px}.check circle{fill:none;stroke:var(--forest);stroke-width:4;stroke-dasharray:239;stroke-dashoffset:239;animation:draw .6s ease forwards}.check path{fill:none;stroke:var(--forest);stroke-width:5;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:60;stroke-dashoffset:60;animation:draw .4s ease .5s forwards}@keyframes draw{to{stroke-dashoffset:0}}.foot{margin:18px 0 26px;font-size:12px;color:#8a908a;text-align:center}@media (prefers-reduced-motion:reduce){.check circle,.check path{animation:none;stroke-dashoffset:0}.spin{animation:none}}