*{box-sizing:border-box}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:420px;margin:0 auto;padding:20px;min-height:100vh;display:flex;flex-direction:column}.header{text-align:center;padding:20px 0}.header h1{font-size:24px;font-weight:600;margin-bottom:8px}.header p{color:#ffffffb3;font-size:14px}.card{background:#ffffff1a;border-radius:16px;padding:20px;margin-bottom:16px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.card-label{font-size:12px;color:#fff9;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}.card-value{font-size:18px;font-weight:500;word-break:break-all}.balance-value{font-size:32px;font-weight:700}.btn{width:100%;padding:16px;border:none;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s ease;margin-bottom:12px}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.btn-secondary{background:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.2)}.btn-secondary:hover{background:#ffffff26}.btn-danger{background:#ef444433;color:#ef4444;border:1px solid rgba(239,68,68,.3)}.btn-danger:hover{background:#ef44444d}.login-container{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:40px 20px}.login-icon{font-size:64px;margin-bottom:24px}.login-title{font-size:28px;font-weight:700;margin-bottom:12px}.login-subtitle{color:#ffffffb3;font-size:16px;margin-bottom:32px;max-width:280px}.loading{display:flex;justify-content:center;align-items:center;min-height:100vh}.spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,.1);border-top-color:#667eea;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.actions{margin-top:auto;padding-top:20px}.copy-btn{background:none;border:none;color:#667eea;font-size:12px;cursor:pointer;padding:4px 8px;border-radius:4px}.copy-btn:hover{background:#667eea1a}.address-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.address-text{font-family:monospace;font-size:14px}.error-message{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:#fca5a5;padding:12px 16px;border-radius:8px;font-size:14px;margin-bottom:16px}.success-message{background:#22c55e1a;border:1px solid rgba(34,197,94,.3);color:#86efac;padding:12px 16px;border-radius:8px;font-size:14px;margin-bottom:16px}