:root{--bg: #09090d;--surface: #13131a;--surface-2: #1b1b24;--line: #2a2a36;--text: #f4f4f7;--muted: #8c8c9e;--purple: #9945ff;--green: #14f195;--amber: #ffb547;--red: #ff5c6c;--grad: linear-gradient(100deg, var(--purple), #6b7bff 50%, var(--green));--radius: 16px;--mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.4 -apple-system,BlinkMacSystemFont,Inter,Segoe UI,system-ui,sans-serif;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}button:disabled{cursor:default}input{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--green);outline-offset:2px}.app{min-height:100%;display:flex;flex-direction:column;max-width:520px;margin:0 auto}.demo-bar{background:repeating-linear-gradient(-45deg,#3a2a05,#3a2a05 10px,#2c2004 10px,#2c2004 20px);color:var(--amber);font-size:12px;font-weight:600;text-align:center;padding:6px 12px;letter-spacing:.02em}.screen{flex:1;display:flex;flex-direction:column;padding:0 16px max(16px,env(safe-area-inset-bottom));position:relative}.center-screen{align-items:center;justify-content:center;gap:16px}.muted{color:var(--muted)}.mono{font-family:var(--mono);font-size:14px}.center{text-align:center}.topbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;min-height:60px;gap:8px}.topbar>:last-child{justify-self:end}.topbar-title{font-weight:600;font-size:16px;text-align:center}.brand-mark{font-weight:700;font-size:15px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.icon-btn{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;color:var(--muted);margin-left:-10px}.topbar>.icon-btn:last-child{margin-left:0;margin-right:-10px}.icon-btn:hover{color:var(--text);background:var(--surface)}.primary-btn{width:100%;min-height:60px;border-radius:var(--radius);background:var(--grad);color:#07070a;font-weight:700;font-size:18px;transition:transform .08s ease,opacity .15s}.primary-btn:active:not(:disabled){transform:scale(.985)}.primary-btn:disabled{background:var(--surface-2);color:var(--muted)}.ghost-btn{width:100%;min-height:52px;border-radius:var(--radius);border:1px solid var(--line);font-weight:600}.ghost-btn.small{width:auto;min-height:36px;padding:0 12px;font-size:14px;border-radius:10px;color:var(--muted)}.link-btn,.link{color:var(--green);font-size:14px;font-weight:500;text-decoration:none;padding:8px;align-self:center}.footer-actions{margin-top:auto;padding-top:16px;display:flex;flex-direction:column;gap:10px}.hint{color:var(--muted);font-size:13px;margin:0}.headline{font-size:26px;line-height:1.15;letter-spacing:-.02em;margin:8px 0}.lede{color:var(--muted);margin:0 0 16px;font-size:15px}.amount-area{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;min-height:160px}.amount{font-size:clamp(52px,16vw,76px);font-weight:700;letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1}.amount.is-zero{color:#4a4a5a}.conversion{display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:15px;font-variant-numeric:tabular-nums}.keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.key{height:clamp(60px,9vh,76px);border-radius:14px;font-size:28px;font-weight:500;background:var(--surface);display:grid;place-items:center;transition:background .1s;-webkit-user-select:none;user-select:none}.key:active{background:var(--surface-2)}.key-back{color:var(--muted)}.form{display:flex;flex-direction:column;gap:18px;padding-bottom:8px}.field{display:flex;flex-direction:column;gap:8px}.field-label{font-size:13px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.field input{min-height:52px;padding:0 14px;border-radius:12px;border:1px solid var(--line);background:var(--surface);outline:none;width:100%}.field input:focus{border-color:var(--purple)}.field input:disabled{opacity:.5}.field-error{color:var(--red);font-size:13px}.select-btn{display:flex;align-items:center;gap:12px;min-height:60px;padding:0 14px;border-radius:12px;border:1px solid var(--line);background:var(--surface);text-align:left}.select-caret{margin-left:auto;color:var(--green);font-size:14px;font-weight:600}.segmented{display:grid;grid-template-columns:1fr 1fr;gap:8px}.segmented button{text-align:left;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:var(--surface);display:flex;flex-direction:column;gap:4px}.segmented button small{color:var(--muted);font-size:12px}.segmented button.is-on{border-color:var(--green);background:color-mix(in srgb,var(--green) 8%,var(--surface))}.advanced{border:1px solid var(--line);border-radius:12px;padding:14px;gap:14px}.advanced summary{cursor:pointer;font-weight:600}.advanced[open] summary{margin-bottom:4px}.advanced .field+.field,.advanced .hint+.field{margin-top:12px}.token-list{display:flex;flex-direction:column;gap:10px;min-height:0}.search{display:flex;align-items:center;gap:10px;padding:0 14px;min-height:52px;border-radius:12px;background:var(--surface);border:1px solid var(--line);color:var(--muted);position:sticky;top:0;z-index:2}.search:focus-within{border-color:var(--purple)}.search input{flex:1;border:0;background:none;outline:none;min-height:50px;color:var(--text)}.list-label{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-top:6px}.popular-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:8px}.popular-chip{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 6px 10px;border-radius:14px;background:var(--surface);border:1px solid transparent}.popular-chip:hover,.popular-chip.is-selected{border-color:var(--line);background:var(--surface-2)}.popular-sym{font-weight:700;font-size:15px}.popular-chain{font-size:11px;color:var(--muted)}.token-rows{list-style:none;margin:0;padding:0}.token-row{width:100%;display:flex;align-items:center;gap:12px;padding:10px 8px;border-radius:12px;text-align:left;min-height:60px}.token-row:hover,.token-row.is-selected{background:var(--surface)}.token-row-text{display:flex;flex-direction:column;min-width:0;flex:1}.token-row-sym{font-weight:600}.token-row-name{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chain-badge{font-size:12px;color:var(--muted);padding:3px 8px;border-radius:999px;border:1px solid var(--line);white-space:nowrap}.token-tag{font-size:11px;font-weight:600;color:var(--green);padding:2px 7px;border-radius:999px;background:color-mix(in srgb,var(--green) 12%,transparent);white-space:nowrap}.empty{color:var(--muted);text-align:center;padding:24px}.token-icon{position:relative;flex:none;display:inline-block}.token-icon>img:first-child,.token-icon-fallback{width:100%;height:100%;border-radius:50%;display:grid;place-items:center;font-weight:700;object-fit:cover}.token-icon-chain{position:absolute;right:-3px;bottom:-3px;border-radius:50%;border:2px solid var(--bg);background:var(--bg)}.charge-summary{text-align:center;padding:4px 0 18px}.charge-usd{font-size:40px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.section-title{font-size:17px;margin:0 0 10px}.banner{padding:12px 14px;border-radius:12px;font-size:14px;margin-bottom:14px}.banner-error{background:color-mix(in srgb,var(--red) 12%,var(--bg));border:1px solid color-mix(in srgb,var(--red) 40%,transparent);color:#ffc2c8}.refund-step{display:flex;flex-direction:column;gap:18px}.refund-token{display:flex;gap:12px;align-items:center;padding:14px;border-radius:14px;background:var(--surface)}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;z-index:10;font-size:17px}.spinner{width:28px;height:28px;border-radius:50%;border:3px solid var(--surface-2);border-top-color:var(--green);animation:spin .8s linear infinite}.spinner.big{width:44px;height:44px;border-width:4px}@keyframes spin{to{transform:rotate(360deg)}}.pay-screen{gap:14px}.countdown{font-variant-numeric:tabular-nums;font-weight:600;font-size:15px;color:var(--muted)}.countdown.is-urgent{color:var(--red)}.pay-head{text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px}.pay-usd{font-size:18px;color:var(--muted);font-weight:600}.pay-amount{display:flex;align-items:center;gap:10px;font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;flex-wrap:wrap;justify-content:center}.qr-card{position:relative;align-self:center;width:min(100%,340px);background:#fff;border-radius:20px;padding:16px 16px 12px;box-shadow:0 0 0 1px #ffffff0f,0 20px 60px -20px #9945ff80;overflow:hidden}.qr svg{display:block;width:100%;height:auto}.qr-empty{aspect-ratio:1;display:grid;place-items:center;color:#666}.qr-caption{color:#333;text-align:center;font-size:13px;font-weight:600;padding-top:6px}.qr-caption .muted{color:#888}.demo-stamp{position:absolute;top:44%;left:-10%;right:-10%;transform:rotate(-18deg);background:#ff5c6ceb;color:#fff;font-weight:800;letter-spacing:.08em;text-align:center;padding:8px 0;font-size:15px;pointer-events:none}.copy-rows{display:flex;flex-direction:column;border-radius:14px;background:var(--surface);overflow:hidden}.copy-row{display:grid;grid-template-columns:1fr auto;grid-template-areas:"label action" "value action";text-align:left;padding:12px 14px;gap:2px 12px;align-items:center}.copy-row+.copy-row{border-top:1px solid var(--line)}.copy-row.is-warn .copy-label{color:var(--amber)}.copy-label{grid-area:label;font-size:12px;color:var(--muted);font-weight:600}.copy-value{grid-area:value;word-break:break-all;font-variant-numeric:tabular-nums}.copy-action{grid-area:action;color:var(--green);font-size:13px;font-weight:600}.status-line{display:flex;align-items:center;justify-content:center;gap:10px;color:var(--muted);font-size:14px;text-align:center}.pulse{width:9px;height:9px;border-radius:50%;background:var(--green);flex:none;animation:pulse 1.4s ease-in-out infinite}@keyframes pulse{0%,to{box-shadow:0 0 #14f19580}50%{box-shadow:0 0 0 7px #14f19500}}.result{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding-top:40px}.result-icon{width:96px;height:96px;border-radius:50%;display:grid;place-items:center;margin-bottom:10px;background:color-mix(in srgb,var(--green) 14%,var(--bg));color:var(--green);animation:pop .35s cubic-bezier(.2,1.4,.4,1)}.result-detected .result-icon{background:color-mix(in srgb,var(--amber) 12%,var(--bg))}.result-expired .result-icon,.result-failed .result-icon{background:color-mix(in srgb,var(--red) 14%,var(--bg));color:var(--red)}@keyframes pop{0%{transform:scale(.6);opacity:0}}.result-title{font-size:28px;font-weight:700}.result-amount{font-size:44px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.result .status-line{margin-top:14px}.order-id{margin-top:16px;font-family:var(--mono);font-size:12px;color:#55556a}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important}}