:root{color:#f8fafc;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#06141f;font-family:Inter,Segoe UI,sans-serif;font-weight:400;line-height:1.5}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:#06141f;min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}#root{width:100%;min-height:100vh}h1,p{margin:0}.page-shell{background:linear-gradient(135deg,#06141f 0%,#0b1f30 100%);place-items:center;min-height:100vh;padding:24px;display:grid}.payment-card,.result-card{background:#0a131ceb;border:1px solid #94a3b833;border-radius:24px;width:min(100%,560px);padding:32px;box-shadow:0 30px 80px #0f172a80}.header-block{margin-bottom:24px}.eyebrow,.badge{text-transform:uppercase;letter-spacing:.12em;border-radius:999px;padding:6px 10px;font-size:11px;font-weight:700;display:inline-block}.eyebrow{color:#7dd3fc;background:#3b82f626}.header-block h1,.result-card h1{color:#f8fafc;margin:14px 0 8px;font-size:clamp(2rem,4vw,3rem)}.header-block p,.result-card p{color:#cbd5e1}.payment-form{flex-direction:column;gap:16px;display:flex}.amount-section{flex-direction:column;gap:12px;display:flex}.label{color:#dbeafe;font-size:.9rem;font-weight:600;display:block}.preset-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;display:grid}.preset-button,.primary-button,.secondary-button{cursor:pointer;border:none;border-radius:12px;font-weight:700;transition:transform .2s}.preset-button:hover,.primary-button:hover,.secondary-button:hover{transform:translateY(-1px)}.preset-button{color:#f8fafc;background:#0f172a99;border:1px solid #94a3b84d;padding:12px 10px}.preset-button:hover,.preset-button.selected{color:#fff;background:linear-gradient(135deg,#22c55e 0%,#16a34a 100%);border-color:#0000}.input-wrap{position:relative}.currency{color:#a5b4fc;place-items:center;font-weight:700;display:grid;position:absolute;inset:0 auto 0 16px}input{box-sizing:border-box;color:#f8fafc;background:#0f172aa6;border:1px solid #94a3b84d;border-radius:12px;width:100%;padding:14px 16px 14px 36px;font-size:1rem}input:focus{border-color:#0000;outline:2px solid #60a5facc}.summary-box{background:#082f4959;border:1px solid #60a5fa33;border-radius:16px;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:16px;display:grid}.summary-box div{flex-direction:column;gap:6px;display:flex}.summary-box span,.result-box span{color:#bfdbfe;font-size:.78rem}.summary-box strong,.result-box strong{color:#f8fafc;font-size:1.05rem}.pay-button,.primary-button{color:#fff;cursor:pointer;background:linear-gradient(135deg,#38bdf8 0%,#2563eb 100%);border:none;border-radius:12px;margin-top:8px;padding:16px 18px;font-size:1rem;font-weight:800}.secondary-button{color:#f8fafc;background:#94a3b81f;padding:14px 18px}.pay-button:disabled{opacity:.7;cursor:not-allowed}.status-message{color:#dbeafe;background:#94a3b814;border-radius:10px;min-height:24px;padding:10px 12px;font-size:.92rem}.status-message.success{color:#bbf7d0;background:#22c55e21}.status-message.error{color:#fecaca;background:#ef44441f}.status-message.processing{color:#bfdbfe;background:#3b82f61f}.result-card{text-align:left}.success-badge{color:#bbf7d0;background:#22c55e1f}.failure-badge{color:#fecaca;background:#ef44441f}.result-box{background:#0f172a73;border:1px solid #94a3b838;border-radius:16px;flex-direction:column;gap:6px;margin-top:20px;padding:16px;display:flex}.status-copy{color:#e2e8f0;margin-top:16px}.action-row{flex-wrap:wrap;gap:12px;margin-top:24px;display:flex}@media (width<=560px){.payment-card,.result-card{padding:24px 18px}.preset-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.summary-box{grid-template-columns:1fr}}