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errorShake{0%,to{transform:translate(0)}25%{transform:translate(-8px)}75%{transform:translate(8px)}}@keyframes float{0%,to{transform:translateY(0)rotate(0)}50%{transform:translateY(-20px)rotate(180deg)}}@media (max-width:640px){.login-card{border-radius:1.5rem;margin:1rem;padding:2rem}.login-logo{width:4rem;height:4rem}.login-logo svg{width:2rem;height:2rem}.login-title{font-size:2rem}.form-input{padding:1rem}.login-button{padding:1rem 1.5rem}}.login-button.loading{color:#0000;position:relative}.login-button.loading:after{content:"";border:3px solid #0000;border-top-color:#fff;border-radius:50%;width:24px;height:24px;margin:-12px 0 0 -12px;animation:1s linear infinite spin;position:absolute;top:50%;left:50%}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}
*{box-sizing:border-box;margin:0;padding:0}body{color:#333;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f5f5f5;font-family:Arial,Helvetica,sans-serif,Noto Sans;font-size:16px;line-height:1.4}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}.header{color:#fff;text-align:center;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);padding:20px 0}.header h1{margin-bottom:10px;font-size:2.5rem;font-weight:700}.card{background:#fff;border:1px solid #e0e0e0;border-radius:8px;margin-bottom:20px;padding:20px;box-shadow:0 2px 10px #0000001a}.btn{color:#fff;cursor:pointer;background:#007bff;border:none;border-radius:4px;padding:12px 24px;font-size:16px;font-weight:500;text-decoration:none;transition:background-color .3s;display:inline-block}.btn:hover{background:#0056b3}.btn:focus{outline-offset:2px;outline:2px solid #007bff}.form-group{margin-bottom:20px}.form-group label{color:#333;margin-bottom:8px;font-weight:500;display:block}.form-control{background:#fff;border:1px solid #ddd;border-radius:4px;width:100%;padding:12px;font-size:16px}.form-control:focus{border-color:#007bff;outline:2px solid #007bff}.grid{display:block}.grid-cols-1{width:100%}.grid-cols-2>*{width:100%;margin-bottom:20px}@media (min-width:768px){.grid-cols-2{flex-wrap:wrap;gap:20px;display:flex}.grid-cols-2>*{width:calc(50% - 10px);margin-bottom:0}}.status{border-radius:20px;padding:8px 16px;font-size:14px;font-weight:500;display:inline-block}.status.connected{color:#155724;background:#d4edda}.status.disconnected{color:#721c24;background:#f8d7da}.transaction-item{background:#fff;border:1px solid #e0e0e0;border-radius:4px;margin-bottom:10px;padding:15px}.transaction-amount{color:#28a745;font-size:1.2rem;font-weight:700}.transaction-id{color:#666;font-family:monospace;font-size:.9rem}.transaction-time{color:#999;font-size:.8rem}.nav-focus:focus{outline-offset:3px;outline:3px solid #007bff;transform:scale(1.02)}button,.btn,.nav-focus{min-width:44px;min-height:44px}.loading{text-align:center;color:#666;padding:40px}.loading:after{content:"";border:2px solid #ddd;border-top-color:#007bff;border-radius:50%;width:20px;height:20px;animation:1s linear infinite spin;display:inline-block}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.error{color:#721c24;background:#f8d7da;border:1px solid #f5c6cb;border-radius:4px;margin-bottom:20px;padding:15px}.success{color:#155724;background:#d4edda;border:1px solid #c3e6cb;border-radius:4px;margin-bottom:20px;padding:15px}