#recaptcha-container{display:flex;justify-content:center;margin:15px 0}#recaptcha-container iframe{max-width:100%}.grecaptcha-badge{visibility:hidden!important}@media (max-width: 400px){#recaptcha-container{transform:scale(.85);transform-origin:center;margin:10px -20px}}.app-container{min-height:100vh;background-color:#f5f5f5}nav{background-color:#fff;box-shadow:0 2px 4px #0000001a;padding:1rem}nav ul{list-style:none;margin:0;padding:0;display:flex;gap:1rem}nav a{color:#333;text-decoration:none;padding:.5rem 1rem;border-radius:4px;transition:background-color .2s ease}nav a:hover{background-color:#f0f0f0}main{max-width:1200px;margin:0 auto;padding:2rem 1rem}.token-purchase-card{background-color:#fff;box-shadow:0 2px 4px #0000001a;border-radius:4px;width:100%;max-width:400px;margin:0 auto}.token-purchase-header{padding:1rem;border-bottom:1px solid #f0f0f0}.token-purchase-header h2{margin:0;color:#333;font-size:1.25rem}.token-purchase-header .description{margin:.5rem 0 0;color:#666;font-size:.9rem}.token-purchase-content{padding:1rem}.token-purchase-content .alert{padding:.75rem;border-radius:4px;margin-bottom:1rem}.token-purchase-content .alert.error{background-color:#fee2e2;border:1px solid #fecaca;color:#dc2626}.token-purchase-content .alert.success{background-color:#dcfce7;border:1px solid #bbf7d0;color:#16a34a}.price-display{margin-bottom:1rem}.price-display label{display:block;font-size:.9rem;color:#666;margin-bottom:.5rem}.price-display .price{font-size:1.5rem;font-weight:700;color:#333}.price-display .price-per-day{font-size:.9rem;color:#666;margin-top:.25rem}.duration-input{margin-bottom:1rem}.duration-input label{display:block;font-size:.9rem;color:#666;margin-bottom:.5rem}.duration-input input{width:100%;padding:.5rem;border:1px solid #f0f0f0;border-radius:4px;font-size:1rem}.duration-input input:focus{outline:none;border-color:#333}.token-purchase-footer{padding:1rem;border-top:1px solid #f0f0f0}.purchase-button{width:100%;padding:.5rem 1rem;border:none;border-radius:4px;background-color:#333;color:#fff;font-size:1rem;cursor:pointer;transition:background-color .2s ease}.purchase-button:hover:not(:disabled){background-color:#444}.purchase-button:disabled{opacity:.7;cursor:not-allowed}.purchase-button.loading{background-color:#666}.purchase-button.success{background-color:#16a34a}@media (max-width: 768px){nav ul{flex-direction:column;gap:.5rem}.token-purchase-card{margin:1rem}}.home-page-container{display:flex;justify-content:center;align-items:center;min-height:calc(100vh - 4rem)}.auth-buttons{display:flex;flex-direction:column;gap:1rem}.user-welcome{margin-bottom:1rem;text-align:center;color:#333}.login-prompt{margin-bottom:1rem;text-align:center;color:#666}@media (max-width: 768px){nav ul{flex-direction:column;gap:.5rem}.token-purchase-card{margin:1rem;width:calc(100% - 2rem)}}.card-details-container{max-width:1200px;margin:0 auto;padding:2rem 1rem}.card-details-content{display:flex;background-color:#fff;box-shadow:0 2px 4px #0000001a;border-radius:8px;overflow:hidden}.card-image-section{flex:1;padding:1rem;background-color:#f5f5f5;display:flex;justify-content:center;align-items:center}.card-image-wrapper{position:relative;max-width:500px;width:100%;aspect-ratio:3/4;border-radius:8px;overflow:hidden}.card-image{width:100%;height:100%;object-fit:cover}.card-info-section{flex:1;padding:2rem;display:flex;flex-direction:column;gap:1.5rem}.card-header{border-bottom:1px solid #f0f0f0;padding-bottom:1rem}.title-section{display:flex;justify-content:space-between;align-items:center}.card-title{margin:0;font-size:1.5rem;color:#333}.card-price{font-size:1.25rem;font-weight:700;color:#16a34a}.card-actions{display:flex;flex-direction:column;gap:1rem}.hold-duration-container{margin-bottom:1rem}.hold-duration-container label{display:block;margin-bottom:.5rem;color:#666}.hold-duration-slider{width:100%}.hold-cost-info{margin-bottom:1rem;color:#666}.action-button{width:100%;padding:.75rem;border:none;border-radius:4px;cursor:pointer;transition:background-color .2s ease}.hold-button{background-color:#2563eb;color:#fff}.hold-button:hover:not(:disabled){background-color:#1d4ed8}.buy-button{background-color:#16a34a;color:#fff}.buy-button:hover:not(:disabled){background-color:#15803d}.release-button{background-color:#dc2626;color:#fff}.release-button:hover:not(:disabled){background-color:#b91c1c}.action-button:disabled{opacity:.7;cursor:not-allowed}.card-description{margin-bottom:1rem}.card-description h2{margin-bottom:.5rem;font-size:1.25rem;color:#333}.card-metadata{border-top:1px solid #f0f0f0;padding-top:1rem}.metadata-item{display:flex;justify-content:space-between;margin-bottom:.5rem}.metadata-label{color:#666}.metadata-value{color:#333}@media (max-width: 768px){.card-details-content{flex-direction:column}.card-image-section,.card-info-section{padding:1rem}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.6;background-color:#f4f4f4}.container{width:90%;max-width:1200px;margin:0 auto;padding:1rem}.card{background-color:#fff;border:1px solid #ddd;border-radius:4px;padding:1rem;margin-bottom:1rem;box-shadow:0 2px 4px #0000001a}.button{background-color:#007bff;color:#fff;border:none;padding:.5rem 1rem;margin:.5rem 0;border-radius:4px;cursor:pointer}.button:hover{background-color:#0056b3}.input{width:100%;padding:.5rem;margin:.5rem 0;border:1px solid #ddd;border-radius:4px}