.app{min-height:100vh;background:var(--primary-black);display:flex;align-items:center;justify-content:center;padding:20px}.container{max-width:800px;width:100%;background:var(--primary-black);border-radius:20px;padding:32px;box-shadow:0 20px 60px #ffffff1a;border:1px solid rgba(255,255,255,.1)}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,.1)}.logo-section h1{font-size:32px;font-weight:800;color:var(--primary-white);margin-bottom:8px;background:linear-gradient(135deg,#fff,#e9ecef);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.logo-section p{font-size:16px;color:#ffffffb3;font-weight:400}.back-btn{background:transparent;color:#fffc;border:1px solid rgba(255,255,255,.2);padding:12px 20px;font-size:14px;font-weight:500;cursor:pointer;border-radius:12px;font-family:inherit;transition:all .3s ease;text-transform:uppercase;letter-spacing:.05em}.back-btn:hover{background:#ffffff1a;border-color:#ffffff4d;color:var(--primary-white);transform:translateY(-2px)}.checkout-section{display:flex;flex-direction:column;gap:32px}.input-section{display:flex;flex-direction:column;gap:20px}.input-group{display:flex;flex-direction:column;gap:8px}.input-group label{font-size:14px;font-weight:600;color:var(--primary-white);text-transform:uppercase;letter-spacing:.05em}.wallet-input,.amount-input{background:#ffffff0d;border:1px solid rgba(255,255,255,.2);border-radius:12px;padding:16px 20px;font-size:16px;color:var(--primary-white);font-family:inherit;transition:all .3s ease;width:100%}.wallet-input:focus,.amount-input:focus{outline:none;border-color:#fff6;background:#ffffff14;box-shadow:0 0 0 2px #ffffff1a}.wallet-input::placeholder,.amount-input::placeholder{color:#ffffff80}.checkout-container{background:#ffffff05;border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:24px;transition:all .3s ease}.placeholder{text-align:center;padding:60px 20px;color:#fff9;font-size:16px;background:#ffffff05;border:2px dashed rgba(255,255,255,.1);border-radius:16px}@media (max-width: 768px){.container{padding:24px;margin:10px}.header{flex-direction:column;gap:20px;text-align:center}.logo-section h1{font-size:28px}.input-section{gap:16px}.checkout-container{padding:16px}}@media (max-width: 480px){.app{padding:10px}.container{padding:20px}.logo-section h1{font-size:24px}.wallet-input,.amount-input{padding:14px 16px;font-size:14px}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-black: #000000;--primary-white: #ffffff;--gray-100: #f8f9fa;--gray-200: #e9ecef;--gray-300: #dee2e6;--gray-400: #ced4da;--gray-500: #adb5bd;--gray-600: #6c757d;--gray-700: #495057;--gray-800: #343a40;--gray-900: #212529}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--primary-black);color:var(--primary-white);line-height:1.6;margin:0;padding:0}#root{width:100%;min-height:100vh}