/* Dark background with beige rounded screen and details sheet */
body{margin:0;background:#0c0d0e;color:#0b1220;font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,'Helvetica Neue',sans-serif}
.wrap{max-width:1100px;margin:0 auto;padding:16px}
.panel{background:#111318;border:1px solid #1a1f25;border-radius:14px;box-shadow:0 10px 22px rgba(0,0,0,.45);padding:16px;margin:12px 0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.field label{display:block;font-size:12px;color:#8da1b5;margin:0 0 6px 2px}
.field input{width:100%;padding:10px 12px;border:1px solid #2a2f36;border-radius:10px;background:#0c0f12;color:#e6f0ff;font-size:14px}
button{background:#f59e0b;color:#0b0904;border:0;border-radius:10px;padding:12px 18px;font-weight:800;cursor:pointer}
button:disabled{background:#6b5d3a;color:#d9c8a6;cursor:not-allowed}

/* Preview */
.preview{display:flex;flex-direction:column;align-items:center}
.jf{width:420px;border-radius:20px;overflow:hidden;border:1px solid #1a1f25;background:#0c0d0e;position:relative}
.screen{margin:14px;background:#f7efe4;border-radius:26px;padding:16px 14px 18px;color:#0b1220}
.tick{width:42px;height:42px;border-radius:999px;background:#16a34a;color:#fff;display:flex;align-items:center;justify-content:center;margin:6px auto}
.amt{font-size:34px;font-weight:900;text-align:center}
.paid{text-align:center;margin-top:6px}
.muted{text-align:center;color:#6b7280;font-size:12px}
.sheet{margin-top:12px;background:#ffffff;border:1px solid #e5e7eb;border-radius:18px;padding:12px}
.row{display:flex;gap:10px;padding:8px 4px;border-bottom:1px solid #f1f5f9}
.row:last-child{border-bottom:none}
.lbl{width:140px;color:#6b7280;font-size:12px}
.val{flex:1}
.bank{font-weight:900}
.powered{text-align:center;color:#6b7280;font-size:11px;margin-top:12px}
.brand{text-align:center;margin-top:4px;font-weight:900}
.watermark{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.06);font-weight:900;letter-spacing:1.5px;transform:rotate(-18deg);pointer-events:none;user-select:none}