:root{--primary:#2563eb;--primary-dark:#1d4ed8;--bg-color:#f8fafc;--card-bg:#fff;--text-main:#1e293b;--text-muted:#64748b;--border:#e2e8f0;--radius:8px}*{box-sizing:border-box;margin:0;padding:0;font-family:Afacad,sans-serif}h1,h2,h3,h4,h5,h6,th,button,label{font-family:Expletus Sans,sans-serif}body{background-color:var(--bg-color);color:var(--text-main);flex-direction:column;min-height:100vh;display:flex}header{background:var(--card-bg);border-bottom:1px solid var(--border);text-align:center;padding:1.25rem 2rem}header h1{color:var(--primary);letter-spacing:.02em;font-size:1.5rem}header p{color:var(--text-muted);margin-top:.25rem;font-size:.95rem}.container{flex:1;width:100%;max-width:800px;margin:2rem auto;padding:0 1rem}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;box-shadow:0 4px 6px -1px #0000000d}.card h3{color:var(--text-main);margin-bottom:.5rem;font-size:1.3rem}.payments-layout{grid-template-columns:1fr 1fr;align-items:center;gap:2rem;margin-top:1.5rem;display:grid}@media (width<=768px){.payments-layout{grid-template-columns:1fr}}input,select,button{border:1px solid var(--border);border-radius:var(--radius);outline:none;width:100%;padding:.75rem;font-size:1rem;transition:border-color .2s}input:focus{border-color:var(--primary)}.form-group{margin-bottom:1.25rem}.form-group label{margin-bottom:.4rem;font-size:.95rem;font-weight:600;display:block}button{background:var(--primary);color:#fff;cursor:pointer;letter-spacing:.02em;border:none;font-weight:600}button:hover{background:var(--primary-dark)}button.secondary{color:var(--text-main);background:#e2e8f0;margin-top:.5rem}button.secondary:hover{background:#cbd5e1}.qr-box{border:2px dashed var(--border);border-radius:var(--radius);text-align:center;background:#f8fafc;flex-direction:column;align-items:center;gap:1rem;padding:1.5rem;display:flex}#qr-code-container{border:1px solid var(--border);background:#fff;border-radius:6px;padding:10px;display:inline-block}.footer-note{text-align:center;color:var(--text-muted);margin-top:2rem;font-size:.9rem}