*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #05080F;--bg-card: #080C17;--border-color: #0F172A;--accent: #bed450;--accent-hover: #d4eb6a;--text-primary: #ffffff;--text-secondary: #6b7280;--text-muted: #4b5563}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;overflow-x:hidden}.bg-glow{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}.bg-glow:before{content:"";position:absolute;top:-50%;left:-50%;width:100%;height:100%;background:radial-gradient(ellipse at center,rgba(190,212,80,.08) 0%,transparent 60%);animation:glow-float 15s ease-in-out infinite}.bg-glow:after{content:"";position:absolute;bottom:-30%;right:-30%;width:80%;height:80%;background:radial-gradient(ellipse at center,rgba(190,212,80,.05) 0%,transparent 50%);animation:glow-float 20s ease-in-out infinite reverse}@keyframes glow-float{0%,to{transform:translate(0)}50%{transform:translate(30px,20px)}}.app{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px 16px;position:relative;z-index:1}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:20px;padding:28px;width:100%;max-width:440px;box-shadow:0 20px 60px #0006}.logo{display:flex;align-items:center;justify-content:center;margin-bottom:8px}.logo-icon{width:64px;height:64px}.logo-text{font-size:1.5rem;font-weight:700;color:var(--text-primary)}.title{font-size:1.5rem;font-weight:800;text-align:center;margin-bottom:24px;color:var(--text-primary)}.form{display:flex;flex-direction:column;gap:12px}.form-group{display:flex;flex-direction:column;gap:6px}.label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.input{background:#0f172a80;border:1px solid var(--border-color);border-radius:10px;padding:12px 14px;font-size:1rem;color:var(--text-primary);outline:none;transition:all .3s ease;font-family:inherit;width:100%}.input:focus{border-color:var(--accent)}.input::placeholder{color:var(--text-muted)}.input-mono{font-family:SF Mono,Fira Code,monospace;font-size:.875rem}.error-text{font-size:.75rem;color:#ef4444}.preview-box{background:#0f172a80;border:1px solid var(--border-color);border-radius:12px;padding:20px;text-align:center;transition:all .3s ease}.preview-box:hover{border-color:var(--accent);transform:translateY(-2px)}.preview-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:4px}.preview-value{font-size:2rem;font-weight:700;color:var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;border-radius:8px;font-size:.9rem;font-weight:600;text-decoration:none;transition:all .3s ease;cursor:pointer;border:none;font-family:inherit}.btn-primary{background:linear-gradient(135deg,#fbbf24,#a3e635);color:#000}.btn-primary:hover{background:linear-gradient(135deg,#fcd34d,#bef264);transform:translateY(-2px);box-shadow:0 8px 30px #a3e6354d}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.btn-secondary{background:transparent;color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}.qr-section{text-align:center}.qr-title{font-size:1.1rem;font-weight:600;margin-bottom:4px;color:var(--text-secondary)}.qr-amount{font-size:2.25rem;font-weight:800;color:var(--text-primary);margin-bottom:20px}.qr-wrapper{position:relative;display:inline-block;margin-bottom:16px}.qr-container{background:#fff;border-radius:20px;padding:16px;display:inline-block;box-shadow:0 8px 32px #bed45026}.qr-premium{background:linear-gradient(145deg,#fff,#f8fafc,#f1f5f9);border-radius:24px;padding:20px;position:relative;box-shadow:0 0 0 1px #bed45033,0 4px 16px #0000001a,0 12px 40px #bed45026,inset 0 1px #fffc}.qr-premium:before{content:"";position:absolute;inset:-2px;background:linear-gradient(135deg,#fbbf24,#bed450,#a3e635);border-radius:26px;z-index:-1;opacity:.8}.qr-premium:after{content:"";position:absolute;inset:0;background:linear-gradient(145deg,#fff,#f8fafc,#f1f5f9);border-radius:24px;z-index:-1}.qr-premium canvas{display:block}.qr-brand{background:var(--bg-card);border-radius:24px;padding:20px;position:relative;box-shadow:0 0 0 1px #bed4504d,0 4px 20px #0000004d,0 12px 40px #bed4501a}.qr-brand:before{content:"";position:absolute;inset:-2px;background:linear-gradient(135deg,#fbbf24,#bed450,#a3e635);border-radius:26px;z-index:-1;opacity:.9}.qr-brand:after{content:"";position:absolute;inset:0;background:var(--bg-card);border-radius:24px;z-index:-1}.qr-brand canvas{display:block;border-radius:12px}.qr-timer{font-size:.8rem;color:var(--text-muted);margin-bottom:16px}.qr-timer-value{color:var(--accent);font-weight:700;font-size:.9rem}.pix-copy-label{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}.copy-section{display:flex;gap:8px;margin-bottom:16px}.copy-input{flex:1;background:#0f172a80;border:1px solid var(--border-color);border-radius:8px;padding:10px 12px;font-size:.7rem;color:var(--text-muted);font-family:SF Mono,Fira Code,monospace;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;outline:none}.btn-copy{background:var(--accent);border:none;border-radius:8px;padding:10px 16px;color:#000;font-size:.8rem;font-weight:600;cursor:pointer;transition:all .3s ease;font-family:inherit}.btn-copy:hover{background:var(--accent-hover);transform:translateY(-1px)}.loading{display:flex;align-items:center;justify-content:center;gap:10px;color:var(--text-secondary);font-size:.8rem;margin-bottom:16px;padding:12px;background:#0f172a4d;border-radius:10px;border:1px solid var(--border-color)}.spinner{width:20px;height:20px;border:2px solid var(--border-color);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.success-section{text-align:center}.success-icon{width:80px;height:80px;background:linear-gradient(135deg,#fbbf24,#a3e635);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 24px;box-shadow:0 0 30px #bed4504d}.success-icon svg{width:40px;height:40px;color:#000}.success-title{font-size:1.5rem;font-weight:800;margin-bottom:8px}.success-subtitle{font-size:1rem;color:var(--text-secondary);margin-bottom:24px}.info-box{background:#0f172a80;border:1px solid var(--border-color);border-radius:12px;padding:16px;margin-bottom:24px;text-align:left}.info-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--border-color)}.info-row:last-child{border-bottom:none}.info-label{color:var(--text-muted);font-size:.875rem}.info-value{color:var(--text-primary);font-weight:600;font-size:.875rem}.info-value-accent{color:var(--accent);font-weight:700}.info-link{color:var(--accent);text-decoration:none;font-family:SF Mono,Fira Code,monospace;font-size:.8rem;transition:opacity .3s ease}.info-link:hover{opacity:.8}.error-section{text-align:center}.error-icon{width:80px;height:80px;background:#ef44441a;border:2px solid rgba(239,68,68,.3);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 24px}.error-icon svg{width:40px;height:40px;color:#ef4444}.error-title{font-size:1.5rem;font-weight:800;margin-bottom:8px}.error-subtitle{font-size:1rem;color:var(--text-secondary);margin-bottom:24px}.footer{text-align:center;margin-top:24px;font-size:.85rem;color:var(--text-muted)}.footer-accent{color:var(--accent)}.submit-error{color:#ef4444;font-size:.875rem;text-align:center}.checkout-header{display:flex;align-items:center;gap:16px;margin-bottom:20px}.checkout-logo{width:48px;height:48px}.checkout-title{display:flex;flex-direction:column}.checkout-label{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.checkout-brand{font-size:1.5rem;font-weight:700;color:var(--text-primary);margin:0}.checkout-divider{height:1px;background:var(--border-color);margin:12px 0}.order-summary{background:#0f172a4d;border:1px solid var(--border-color);border-radius:12px;overflow:hidden}.order-summary-header{padding:12px 16px;border-bottom:1px solid var(--border-color)}.order-summary-title{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.order-summary-row{display:flex;align-items:center;justify-content:space-between;padding:12px 16px}.order-item{display:flex;align-items:center;gap:12px}.order-item-icon{width:32px;height:32px;object-fit:contain}.order-item-details{display:flex;flex-direction:column}.order-item-name{font-size:.95rem;font-weight:600;color:var(--text-primary)}.order-item-network{font-size:.75rem;color:var(--text-muted)}.order-item-qty{font-size:1.125rem;font-weight:700;color:var(--accent)}.section-title{font-size:.8rem;font-weight:600;color:var(--text-primary);margin-bottom:8px}.input-wrapper{position:relative;display:flex;align-items:center;width:100%}.input-prefix{position:absolute;left:16px;color:var(--text-muted);font-weight:500;pointer-events:none}.input-with-prefix{padding-left:48px;width:100%}.input-hint{font-size:.75rem;color:var(--text-muted);margin-top:6px}.checkout-total{background:#0f172a4d;border:1px solid var(--border-color);border-radius:10px;padding:12px 14px}.checkout-total-row{display:flex;justify-content:space-between;padding:6px 0;font-size:.85rem;color:var(--text-secondary)}.checkout-total-row:last-child{padding-bottom:0}.checkout-free{color:var(--accent);font-weight:500}.checkout-total-final{border-top:1px solid var(--border-color);margin-top:6px;padding-top:10px;font-size:.95rem;font-weight:700;color:var(--text-primary)}.btn-checkout{width:100%;padding:14px;font-size:.95rem;margin-top:4px}.spinner-sm{width:16px;height:16px;border-width:2px}.checkout-secure{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:12px;font-size:.7rem;color:var(--text-muted)}.qr-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.qr-logo{width:40px;height:40px}.qr-badge{background:#fbbf241a;color:#fbbf24;padding:6px 12px;border-radius:20px;font-size:.75rem;font-weight:500}.input-with-action{display:flex;gap:8px;align-items:stretch}.input-with-action .input{flex:1}.btn-scan{display:flex;align-items:center;justify-content:center;width:48px;min-width:48px;background:#0f172a80;border:1px solid var(--border-color);border-radius:10px;color:var(--text-secondary);cursor:pointer;transition:all .3s ease}.btn-scan:hover{border-color:var(--accent);color:var(--accent);background:#bed4501a}.btn-scan:active{transform:scale(.95)}.input-hint{display:flex;align-items:center;gap:6px}.scanner-overlay{position:fixed;inset:0;background:#000000e6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px}.scanner-modal{background:var(--bg-card);border:1px solid var(--border-color);border-radius:20px;width:100%;max-width:400px;overflow:hidden;box-shadow:0 20px 60px #00000080}.scanner-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border-color)}.scanner-title{font-size:1rem;font-weight:600;color:var(--text-primary);margin:0}.scanner-close{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:all .2s ease}.scanner-close:hover{color:var(--text-primary);background:#ffffff1a}.scanner-body{position:relative;background:#000;min-height:300px;overflow:hidden}.scanner-viewport{width:100%;height:300px;overflow:hidden}#qr-reader{width:100%!important;height:300px!important;border:none!important}#qr-reader video{width:100%!important;height:300px!important;object-fit:cover!important}#qr-reader__scan_region{min-height:300px!important}#qr-reader__scan_region video{object-fit:cover!important}#qr-reader__dashboard,#qr-reader__status_span,#qr-reader__header_message{display:none!important}.scanner-loading{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:var(--bg-primary);color:var(--text-secondary);font-size:.875rem;z-index:10}.scanner-error{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:24px;background:var(--bg-primary);color:#ef4444;font-size:.875rem;text-align:center}.scanner-footer{padding:16px 20px;border-top:1px solid var(--border-color);text-align:center}.scanner-hint{font-size:.8rem;color:var(--text-secondary);margin-bottom:12px}.scanner-formats{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}.scanner-format{background:#0f172a80;border:1px solid var(--border-color);border-radius:6px;padding:4px 10px;font-size:.7rem;font-family:SF Mono,Fira Code,monospace;color:var(--accent)}@media(max-width:480px){.card{padding:24px 20px}.preview-value{font-size:1.75rem}.qr-amount{font-size:2rem}.scanner-modal{max-width:100%;border-radius:16px}}