:root{--bg: #0a0e1a;--surface: #111827;--surface-hover: #1a2332;--border: #1e293b;--primary: #2635aa;--primary-hover: #3145cc;--secondary: #4f5fff;--text: #e2e8f0;--text-secondary: #94a3b8;--success: #22c55e;--error: #ef4444;--warning: #f59e0b;--info: #3b82f6;--radius: 8px;--radius-sm: 4px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased}#app{display:flex;flex-direction:column;min-height:100vh}.top-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.top-bar-left{display:flex;align-items:center;gap:10px}.app-logo{height:32px;width:auto}.app-title{font-size:1.1rem;font-weight:700;letter-spacing:-.02em}.top-bar-right{display:flex;align-items:center;gap:16px}.connectivity-indicator{display:flex;align-items:center;gap:6px;padding:4px 12px;border-radius:20px;font-size:.8rem;font-weight:600;transition:all .3s ease}.connectivity-indicator.online{background:#22c55e26;color:var(--success)}.connectivity-indicator.offline{background:#f59e0b26;color:var(--warning)}.connectivity-dot{width:8px;height:8px;border-radius:50%;background:currentColor}.connectivity-indicator.online .connectivity-dot{animation:pulse-green 2s infinite}@keyframes pulse-green{0%,to{opacity:1}50%{opacity:.5}}.toast-container{position:fixed;top:60px;right:20px;z-index:1000;display:flex;flex-direction:column;gap:8px}.toast{padding:12px 16px;border-radius:var(--radius);font-size:.85rem;font-weight:500;animation:slide-in .3s ease;max-width:360px;box-shadow:0 4px 16px #0000004d}.toast.info{background:#3b82f633;border:1px solid rgba(59,130,246,.3);color:var(--info)}.toast.success{background:#22c55e33;border:1px solid rgba(34,197,94,.3);color:var(--success)}.toast.warning{background:#f59e0b33;border:1px solid rgba(245,158,11,.3);color:var(--warning)}.toast.error{background:#ef444433;border:1px solid rgba(239,68,68,.3);color:var(--error)}@keyframes slide-in{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes slide-out{0%{transform:translate(0);opacity:1}to{transform:translate(100%);opacity:0}}.main-content{flex:1;max-width:640px;width:100%;margin:0 auto;padding:20px}.tab-nav{display:flex;gap:4px;margin-bottom:20px;background:var(--surface);border-radius:var(--radius);padding:4px}.tab-btn{flex:1;padding:10px 16px;background:none;border:none;color:var(--text-secondary);font-size:.9rem;font-weight:600;cursor:pointer;border-radius:var(--radius-sm);transition:all .2s;display:flex;align-items:center;justify-content:center;gap:8px}.tab-btn.active{background:var(--primary);color:var(--text)}.tab-btn:hover:not(.active){background:var(--surface-hover);color:var(--text)}.queue-badge{background:var(--secondary);color:#fff;font-size:.7rem;padding:1px 6px;border-radius:10px;min-width:18px;text-align:center}.queue-badge.hidden,.panel{display:none}.panel.active{display:block}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px}.card h2{font-size:.95rem;font-weight:600;margin-bottom:16px;color:var(--text)}.chain-buttons{display:grid;grid-template-columns:1fr 1fr;gap:8px}.chain-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:16px 12px;background:var(--bg);border:2px solid var(--border);border-radius:var(--radius);color:var(--text-secondary);cursor:pointer;transition:all .2s}.chain-btn.active{border-color:var(--secondary);color:var(--text);background:#4f5fff14}.chain-btn:hover:not(.active){border-color:var(--text-secondary);color:var(--text)}.chain-icon{font-size:1.8rem;height:40px;width:40px;display:flex;align-items:center;justify-content:center;line-height:1}.chain-name{font-weight:600;font-size:.9rem}.chain-network{font-size:.7rem;color:var(--text-secondary)}.key-status{margin-bottom:12px}.key-warning{color:var(--text-secondary);font-size:.85rem}.key-controls{display:flex;flex-direction:column;gap:10px}.key-import{display:flex;gap:8px}.key-import .input{flex:1}.key-info{margin-top:12px}.address-display{display:flex;align-items:center;gap:8px;padding:10px 12px;background:var(--bg);border-radius:var(--radius-sm);margin-bottom:8px;overflow:hidden}.address-display .label{font-size:.8rem;color:var(--text-secondary);white-space:nowrap}.address{font-size:.8rem;color:var(--secondary);word-break:break-all}.key-demo-warning{font-size:.75rem;color:var(--warning);margin-bottom:8px;display:flex;align-items:center;gap:6px}.connectivity-banner{display:flex;align-items:center;gap:10px;padding:12px 16px;background:#f59e0b1a;border:1px solid rgba(245,158,11,.25);border-radius:var(--radius);margin-bottom:16px;font-size:.85rem;color:var(--warning)}.connectivity-banner.hidden{display:none}.banner-icon{flex-shrink:0;display:flex}.form-group{margin-bottom:14px}.form-group label{display:block;font-size:.8rem;font-weight:600;color:var(--text-secondary);margin-bottom:6px}.unit{font-weight:400;color:var(--text-secondary)}.input{width:100%;padding:10px 12px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:.9rem;font-family:inherit;transition:border-color .2s}.input:focus{outline:none;border-color:var(--secondary)}.input::placeholder{color:#475569}.field-error{display:block;font-size:.75rem;color:var(--error);margin-top:4px}.field-error.hidden{display:none}.form-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}.chain-fields.hidden{display:none}.info-text{font-size:.85rem;color:var(--text-secondary);margin-bottom:8px}.recipient-group label{display:flex;align-items:center;justify-content:space-between}.btn-link{background:none;border:none;color:#7b8aff;font-size:.75rem;font-weight:500;cursor:pointer;padding:0;font-family:inherit}.btn-link:hover{text-decoration:underline}.recipient-input-wrap{display:flex;gap:6px;align-items:stretch}.recipient-input-wrap .input{flex:1}.btn-icon{background:none;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:1.1rem;cursor:pointer;padding:8px 10px;line-height:1;transition:all .2s}.btn-icon:hover{border-color:var(--secondary);color:var(--secondary)}.btn-icon.saved{color:var(--warning);border-color:var(--warning)}.address-suggestions{position:absolute;left:0;right:0;top:100%;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);max-height:180px;overflow-y:auto;z-index:50;box-shadow:0 4px 16px #0000004d}.address-suggestions.hidden{display:none}.recipient-group{position:relative}.address-suggestion{display:flex;flex-direction:column;gap:2px;padding:8px 12px;cursor:pointer;transition:background .15s}.address-suggestion:hover{background:var(--surface-hover)}.suggestion-label{font-size:.8rem;font-weight:600;color:var(--text)}.suggestion-address{font-size:.7rem;color:var(--text-secondary);font-family:monospace;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.addressbook-list{display:flex;flex-direction:column;gap:6px;margin-top:12px}.addressbook-entry{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--bg);border-radius:var(--radius-sm)}.addressbook-entry-info{flex:1;min-width:0}.addressbook-entry-label{font-size:.85rem;font-weight:600;color:var(--text)}.addressbook-entry-address{font-size:.7rem;color:var(--text-secondary);font-family:monospace;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.btn-remove{background:none;border:none;color:var(--text-secondary);font-size:1rem;cursor:pointer;padding:4px;transition:color .2s}.btn-remove:hover{color:var(--error)}.fetch-btn{margin-bottom:8px}.btn{padding:10px 18px;border:none;border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;cursor:pointer;transition:all .2s;font-family:inherit}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-secondary{background:var(--surface-hover);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--border)}.btn-danger{background:#ef444426;color:var(--error);border:1px solid rgba(239,68,68,.3)}.btn-danger:hover:not(:disabled){background:#ef444440}.btn-small{padding:6px 12px;font-size:.8rem}.btn-full{width:100%;padding:12px;font-size:.95rem}.queue-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.queue-header h2{margin-bottom:0}.queue-filters{display:flex;gap:4px;margin-bottom:16px}.filter-btn{padding:4px 12px;background:none;border:1px solid var(--border);border-radius:20px;color:var(--text-secondary);font-size:.75rem;font-weight:500;cursor:pointer;transition:all .2s;font-family:inherit}.filter-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}.filter-btn:hover:not(.active){border-color:var(--text-secondary);color:var(--text)}.queue-list{display:flex;flex-direction:column;gap:8px}.empty-state{text-align:center;color:var(--text-secondary);font-size:.85rem;padding:32px 0}.tx-item{display:flex;align-items:center;gap:12px;padding:12px;background:var(--bg);border-radius:var(--radius-sm);cursor:pointer;transition:background .2s}.tx-item:hover{background:var(--surface-hover)}.tx-chain-icon{font-size:1.4rem;width:32px;text-align:center;flex-shrink:0}.tx-details{flex:1;min-width:0}.tx-recipient{font-size:.8rem;color:var(--text);font-family:monospace;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tx-amount{font-size:.75rem;color:var(--text-secondary)}.tx-meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px;flex-shrink:0}.tx-state-badge{padding:2px 8px;border-radius:10px;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em}.badge-draft{background:#94a3b826;color:var(--text-secondary)}.badge-waiting{background:#f59e0b26;color:var(--warning)}.badge-ready{background:#3b82f626;color:var(--info)}.badge-signed{background:#4f5fff26;color:var(--secondary)}.badge-broadcasting{background:#f59e0b26;color:var(--warning)}.badge-confirmed{background:#22c55e26;color:var(--success)}.badge-failed{background:#ef444426;color:var(--error)}.tx-time{font-size:.7rem;color:var(--text-secondary)}.tx-detail-overlay{position:fixed;inset:0;background:#0009;z-index:200;display:flex;align-items:center;justify-content:center;padding:20px}.tx-detail-card,.prompt-dialog{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;max-width:520px;width:100%;max-height:80vh;overflow-y:auto}.tx-detail-card h3{font-size:1rem;margin-bottom:16px;display:flex;align-items:center;justify-content:space-between}.tx-detail-row{display:flex;flex-direction:column;gap:2px;margin-bottom:12px}.tx-detail-label{font-size:.75rem;color:var(--text-secondary);font-weight:600}.tx-detail-value{font-size:.85rem;color:var(--text);word-break:break-all;font-family:monospace}.btn-close{background:none;border:none;color:var(--text-secondary);font-size:1.2rem;cursor:pointer;padding:4px}.btn-close:hover{color:var(--text)}.footer{text-align:center;padding:16px 20px;border-top:1px solid var(--border);font-size:.8rem;color:var(--text-secondary);display:flex;align-items:center;justify-content:center;gap:16px}.footer-brand{display:flex;align-items:center;gap:8px;color:var(--text-secondary);text-decoration:none;transition:color .2s}.footer-brand:hover{color:var(--secondary)}.footer-logo{height:22px;width:auto}.prompt-dialog{max-width:360px}.prompt-dialog h3{font-size:.95rem;margin-bottom:14px}.prompt-input{margin-bottom:16px}.prompt-actions{display:flex;gap:8px;justify-content:flex-end}.hidden{display:none!important}@media(max-width:480px){.top-bar{padding:10px 14px}.app-title{font-size:.95rem}.main-content{padding:12px}.form-row,.chain-buttons{grid-template-columns:1fr}.key-import{flex-direction:column}.toast-container{left:12px;right:12px}.toast{max-width:100%}}