:root{--pix-green:#00a859;--pix-dark:#003a2b;--btn-primary:#33bb33;--btn-hover:#269926}
*{box-sizing:border-box}
#pix-checkout-app{font-family:'Segoe UI',sans-serif;max-width:900px;margin:40px auto;padding:0 20px}
.pix-card{background:#fff;border-radius:12px;box-shadow:0 2px 16px rgba(0,0,0,.1);padding:28px;margin-bottom:24px}
.pix-card h2{font-size:1.3rem;font-weight:700;color:#1a1a1a;margin:0 0 20px;padding-bottom:12px;border-bottom:2px solid #f0f0f0}
.order-item{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid #f5f5f5}
.order-item:last-child{border-bottom:none}
.order-item .item-info{flex:1}
.order-item .item-title{font-weight:600;color:#1a1a1a}
.order-item .item-qty{color:#666;font-size:.9rem}
.order-item .item-price{font-weight:700;color:#1a1a1a}
.order-total{display:flex;justify-content:space-between;align-items:center;padding:16px 0 0;margin-top:8px;border-top:2px solid #1a1a1a}
.order-total .label{font-size:1.1rem;font-weight:700}
.order-total .value{font-size:1.4rem;font-weight:800;color:var(--pix-green)}
.pix-key-box{background:linear-gradient(135deg,#e8f5e9,#f0fff4);border:2px solid var(--pix-green);border-radius:10px;padding:20px;text-align:center;margin:16px 0}
.pix-key-box .pix-logo{font-size:2rem;margin-bottom:8px}
.pix-key-box .pix-label{color:var(--pix-dark);font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.pix-key-box .pix-key{font-size:1.2rem;font-weight:800;color:var(--pix-dark);margin:8px 0}
.pix-copy-btn{background:var(--pix-green);color:#fff;border:none;border-radius:6px;padding:8px 20px;font-size:.9rem;font-weight:600;cursor:pointer;transition:background .2s}
.pix-copy-btn:hover{background:var(--pix-dark)}
.pix-copy-btn.copied{background:#269926}
.pix-key-box .pix-holder{margin-top:10px;color:var(--pix-dark);font-size:.95rem}
.pix-key-box .pix-holder-label{font-weight:700}
.customer-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.customer-fields input,.customer-fields .select-wrapper-pix select{width:100%;padding:12px 14px;border:2px solid #e0e0e0;border-radius:8px;font-size:1rem;transition:border-color .2s;outline:none;background:#fff;font-family:inherit}
.customer-fields input:focus,.customer-fields .select-wrapper-pix select:focus{border-color:var(--pix-green)}
.select-wrapper-pix{position:relative}
.select-wrapper-pix select{appearance:none;-webkit-appearance:none;cursor:pointer;color:#555}
.select-wrapper-pix select:valid:not([value=""]){color:#1a1a1a}
.select-wrapper-pix::after{content:"\25BC";position:absolute;right:14px;top:50%;transform:translateY(-50%);pointer-events:none;color:#999;font-size:.7rem}
.upload-area{border:2px dashed #ccc;border-radius:10px;padding:32px;text-align:center;cursor:pointer;transition:all .2s;position:relative}
.upload-area:hover,.upload-area.dragover{border-color:var(--pix-green);background:#f0fff4}
.upload-area .upload-icon{font-size:2.5rem;margin-bottom:12px}
.upload-area p{color:#666;margin:4px 0}
.upload-area input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer}
.upload-preview{margin-top:16px;text-align:center;display:none}
.upload-preview img{max-width:200px;max-height:200px;border-radius:8px;border:2px solid var(--pix-green)}
.upload-preview p{color:var(--pix-green);font-weight:600;margin-top:8px}
.submit-btn{width:100%;padding:16px;background:var(--btn-primary);color:#fff;border:none;border-radius:10px;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .2s;margin-top:8px}
.submit-btn:hover:not(:disabled){background:var(--btn-hover);transform:translateY(-1px)}
.submit-btn:disabled{opacity:.6;cursor:not-allowed}
.success-screen{text-align:center;padding:40px 20px;display:none}
.success-screen .check{font-size:4rem;margin-bottom:16px}
.success-screen h2{color:var(--pix-green);font-size:1.8rem;margin-bottom:12px}
.success-screen p{color:#555;font-size:1rem;line-height:1.6}
.error-msg{background:#fff0f0;border:1px solid #ffcdd2;border-radius:8px;padding:12px 16px;color:#c62828;font-size:.9rem;margin-top:12px;display:none}
.loading-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:9999;align-items:center;justify-content:center;flex-direction:column}
.loading-overlay.show{display:flex}
.loading-spinner{width:56px;height:56px;border:6px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}
.loading-text{color:#fff;margin-top:16px;font-size:1rem;font-weight:600}
@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:600px){.customer-fields{grid-template-columns:1fr}}
.order-subtotal,.order-frete{display:flex;justify-content:space-between;align-items:center;padding:8px 0;color:#555;font-size:.95rem}
.order-frete{border-top:1px dashed #e0e0e0}
.frete-btn{width:100%;padding:12px;background:#fff;color:var(--pix-green);border:2px solid var(--pix-green);border-radius:8px;font-size:1rem;font-weight:700;cursor:pointer;transition:all .2s;margin-top:16px}
.frete-btn:hover:not(:disabled){background:#f0fff4}
.frete-btn:disabled{opacity:.6;cursor:not-allowed}
.frete-opcoes{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.frete-opcao{display:flex;align-items:center;gap:10px;padding:12px 14px;border:2px solid #e0e0e0;border-radius:8px;cursor:pointer;transition:all .2s}
.frete-opcao:hover{border-color:var(--pix-green);background:#f9fffb}
.frete-opcao input{margin:0;accent-color:var(--pix-green)}
.frete-opcao .frete-nome{flex:1;font-weight:600;color:#1a1a1a;font-size:.92rem}
.frete-opcao .frete-prazo{color:#666;font-size:.82rem;white-space:nowrap}
.frete-opcao .frete-preco{font-weight:800;color:var(--pix-green);white-space:nowrap}
.frete-status{margin-top:14px;font-size:.95rem;font-weight:600}
.frete-titulo{margin:14px 0 6px;font-weight:700;color:#1a1a1a;font-size:.95rem}