*{margin:0;padding:0;box-sizing:border-box}:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;font-weight:400}body{margin:0;min-width:320px;min-height:100vh}.app-container{min-height:100vh;background-image:url(/assets/background-Cnm-L7Qm.png);background-size:cover;background-position:center;background-repeat:no-repeat;display:flex;align-items:center;justify-content:center;padding:20px}.app-grid{display:grid;grid-template-columns:1fr;gap:30px;max-width:600px;width:100%}.grid-item{background:#fff;border:3px solid #2563eb;padding:30px;box-shadow:0 4px 6px #0000001a}.header-section{text-align:center}.app-logo{width:120px;height:auto;margin-bottom:20px;display:block;margin-left:auto;margin-right:auto}.header-section h1{margin:0;font-size:28px;color:#2563eb;font-weight:600}.form-section{display:flex;flex-direction:column}.address-form{display:grid;grid-template-columns:1fr;gap:15px}.address-input{padding:12px 16px;border:2px solid #2563eb;font-size:16px;outline:none;background:#fff;color:#1e293b}.address-input:focus{border-color:#1d4ed8}.check-button{padding:12px 24px;background:#2563eb;color:#fff;border:2px solid #2563eb;font-size:16px;font-weight:600;cursor:pointer;transition:background .2s}.check-button:hover{background:#1d4ed8;border-color:#1d4ed8}.check-button:active{background:#1e40af}.popup-overlay{position:fixed;inset:0;background-color:#2563ebcc;display:flex;justify-content:center;align-items:center;z-index:1000}.popup-content{background:#fff;border:4px solid #2563eb;max-width:450px;width:90%;position:relative;box-shadow:0 8px 16px #0003}.popup-header{display:flex;justify-content:flex-end;padding:15px 20px 0}.close-btn{font-size:28px;font-weight:700;color:#2563eb;cursor:pointer;line-height:1;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border:2px solid #2563eb;background:#fff;transition:background .2s}.close-btn:hover{background:#eff6ff}.popup-body{padding:30px 40px 40px;text-align:center}.congrats-icon{width:80px;height:auto;margin:0 auto 15px;display:block}.popup-body h2{margin:0 0 10px;font-size:24px;font-weight:600;color:#2563eb}.popup-body p{margin:0 0 15px;font-size:16px;color:#64748b}.amount-display{font-size:36px;font-weight:700;color:#2563eb;margin-top:10px;padding:15px;background:#eff6ff;border:2px solid #2563eb}.only-for-fun{position:absolute;bottom:15px;right:20px;font-size:12px;color:#fffc;letter-spacing:.5px}