:root{--bg: #0D1117;--panel: #161B22;--border: #21262D;--text: #C9D1D9;--muted: #8B949E;--blue: #4DA2FF;--accent: #58A6FF;--green: #3FB950;--yellow: #D29922;--red: #F85149;--r-sm: 6px;--r-md: 10px;--r-lg: 14px;--r-xl: 18px;--font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", ui-monospace, monospace;--sidebar-w: 260px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-sans);font-size:14px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;height:100%}body{background:var(--bg);color:var(--text);height:100%;overflow:hidden}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;cursor:pointer;border:none;background:none}input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;background:none;border:none;outline:none}#app{display:flex;height:100vh;overflow:hidden}#sidebar{width:var(--sidebar-w);min-width:var(--sidebar-w);background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column;height:100%;overflow:hidden}.sidebar-logo{display:flex;align-items:center;gap:10px;padding:18px 20px;border-bottom:1px solid var(--border);flex-shrink:0}.sidebar-logo-icon{width:32px;height:32px;border-radius:8px;flex-shrink:0;object-fit:contain}.sidebar-logo-name{font-weight:600;color:#fff;font-size:14px;letter-spacing:.02em}.wallet-card{margin:12px;background:var(--bg);border:1px solid var(--border);border-radius:var(--r-md);padding:10px 12px;cursor:pointer;transition:border-color .15s}.wallet-card:hover{border-color:var(--blue)}.wallet-status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:6px}.wallet-status-dot.connected{background:var(--green);animation:pulse 2s infinite}.wallet-status-dot.disconnected{background:var(--muted)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.wallet-label{font-size:11px;color:var(--muted);display:flex;align-items:center}.wallet-label.connected{color:var(--green);font-weight:500}.wallet-address{font-family:var(--font-mono);font-size:11px;color:var(--text);margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.wallet-balance{font-size:11px;color:var(--muted);margin-top:2px}.nav-section{padding:10px 12px 4px;flex-shrink:0}.nav-section-label{font-size:10px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;padding:0 8px;margin-bottom:4px}.nav-scroll{flex:1;overflow-y:auto;padding-bottom:8px}.nav-scroll::-webkit-scrollbar{width:4px}.nav-scroll::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.nav-item{display:flex;align-items:center;gap:9px;padding:7px 10px;margin:1px 4px;border-radius:var(--r-sm);font-size:13px;color:var(--muted);cursor:pointer;transition:background .12s,color .12s;user-select:none;background:none;width:calc(100% - 8px);text-align:left;text-decoration:none}.nav-item:hover{background:var(--bg);color:var(--text)}.nav-item.active{background:#4da2ff26;color:#fff;font-weight:500}.nav-item:hover{text-decoration:none}.nav-item-icon{font-size:14px;flex-shrink:0}.nav-item-ext{margin-left:auto;font-size:10px;color:var(--border)}.sidebar-footer{padding:12px 16px;border-top:1px solid var(--border);font-size:11px;color:var(--muted);text-align:center;flex-shrink:0}#main-content{flex:1;overflow-y:auto;background:var(--bg)}#main-content::-webkit-scrollbar{width:6px}#main-content::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.section{padding:28px 28px 48px;max-width:720px}.section-title{font-size:20px;font-weight:600;color:#fff;margin-bottom:4px}.section-desc{font-size:13px;color:var(--muted);margin-bottom:24px}.section-top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:24px;margin-top:8px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--r-lg);padding:18px 20px}.card+.card,.card+.info-links{margin-top:14px}.card-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}.card.dashed{border-style:dashed}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:7px 14px;border-radius:var(--r-md);font-size:13px;font-weight:500;cursor:pointer;transition:opacity .12s,transform .1s;white-space:nowrap}.btn:active:not(:disabled){transform:scale(.97)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover:not(:disabled){opacity:.88}.btn-secondary{background:transparent;border:1px solid var(--border);color:var(--text)}.btn-secondary:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.btn-danger{background:transparent;border:1px solid var(--red);color:var(--red)}.btn-danger:hover:not(:disabled){background:#f851491a}.btn-sm{padding:4px 10px;font-size:11px}.btn-full{width:100%}.input-row{display:flex;gap:8px;align-items:stretch}.input-row .btn{flex-shrink:0}.input-field{flex:1;padding:7px 12px;background:var(--bg);border:1px solid var(--border);border-radius:var(--r-md);color:var(--text);font-size:13px;transition:border-color .15s}.input-field::placeholder{color:var(--muted)}.input-field:focus{border-color:var(--accent);outline:none}.input-field.mono{font-family:var(--font-mono);font-size:12px}.input-label{display:block;font-size:11px;font-weight:600;color:var(--muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:.05em}.input-group{margin-bottom:12px}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:6px;font-size:11px;font-weight:500}.badge-blue{background:#4da2ff26;color:var(--blue)}.badge-green{background:#3fb95026;color:var(--green)}.badge-yellow{background:#d2992226;color:var(--yellow)}.badge-red{background:#f8514926;color:var(--red)}.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:12px}.stat-box{background:var(--bg);border-radius:var(--r-md);padding:12px 14px}.stat-label{font-size:11px;color:var(--muted);margin-bottom:4px}.stat-value{font-family:var(--font-mono);font-size:14px;color:#fff;font-weight:600}.result-box{margin-top:10px;padding:10px 14px;background:var(--bg);border-radius:var(--r-md);display:none}.result-box.visible{display:block}.result-label{font-size:11px;color:var(--muted);margin-bottom:3px}.result-value{font-family:var(--font-mono);font-size:12px;color:#fff;word-break:break-all}.result-value.green{color:var(--green)}.result-value.red{color:var(--red)}.error-msg{font-size:13px;color:var(--red);margin-top:8px;display:none}.error-msg.visible{display:block}.info-links{background:var(--panel);border:1px dashed var(--border);border-radius:var(--r-lg);padding:14px 18px}.info-links-label{font-size:11px;color:var(--muted);font-weight:600;margin-bottom:8px;text-transform:uppercase;letter-spacing:.05em}.info-links-row{display:flex;flex-wrap:wrap;gap:6px}.connect-hero{text-align:center;padding:48px 20px}.connect-hero-icon-img{width:96px;height:96px;object-fit:contain;margin:0 auto 18px;display:block;border-radius:20px;background:var(--panel);padding:8px;box-shadow:0 4px 12px #0003}.connect-hero h2{font-size:18px;color:#fff;font-weight:600;margin-bottom:8px}.connect-hero p{font-size:13px;color:var(--muted);max-width:320px;margin:0 auto 22px;line-height:1.6}.wallet-connected-card{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.wallet-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:16px;flex-shrink:0}.wallet-info{margin-left:12px;flex:1}.wallet-info-addr{font-weight:500;color:#fff;font-size:13px}.wallet-info-network{font-size:11px;color:var(--muted);margin-top:2px;text-transform:capitalize}.balance-row{display:flex;align-items:center;justify-content:space-between;background:var(--bg);border-radius:var(--r-md);padding:10px 14px}.balance-label{color:var(--muted);font-size:12px}.balance-value{font-family:var(--font-mono);font-weight:600;color:#fff}.drop-zone{border:2px dashed var(--border);border-radius:var(--r-lg);padding:32px 20px;text-align:center;cursor:pointer;transition:border-color .15s}.drop-zone:hover,.drop-zone.drag-over{border-color:var(--accent)}.drop-zone-text{font-size:13px;color:var(--muted)}.drop-zone-link{color:var(--accent);cursor:pointer}.drop-zone-sub{font-size:11px;color:var(--muted);margin-top:4px}.nft-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:4px}.nft-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;cursor:pointer;transition:border-color .15s}.nft-card:hover{border-color:var(--accent)}.nft-img{width:100%;aspect-ratio:1;object-fit:cover;display:block;background:var(--bg);transition:transform .2s}.nft-card:hover .nft-img{transform:scale(1.04)}.nft-img-placeholder{width:100%;aspect-ratio:1;background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:40px}.nft-meta{padding:8px 10px}.nft-name{font-size:12px;color:#fff;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nft-coll{font-size:11px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:2px}.side-toggle{display:flex;gap:8px;margin-bottom:12px}.side-btn{flex:1;padding:8px;border-radius:var(--r-md);font-size:13px;font-weight:500;cursor:pointer;transition:all .15s;border:1px solid var(--border);color:var(--muted);background:none}.side-btn.buy.active{background:#3fb95026;border-color:var(--green);color:var(--green)}.side-btn.sell.active{background:#f8514926;border-color:var(--red);color:var(--red)}.network-option{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--r-md);cursor:pointer;transition:background .12s}.network-option:hover{background:var(--bg)}.network-option+.network-option{margin-top:2px}.radio-circle{width:16px;height:16px;border-radius:50%;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:border-color .15s}.radio-circle.active{border-color:var(--blue)}.radio-dot{width:8px;height:8px;border-radius:50%;background:var(--blue)}.network-name{font-size:13px;font-weight:500;color:#fff}.network-url{font-size:11px;color:var(--muted);font-family:var(--font-mono);margin-top:1px}.settings-row{display:flex;justify-content:space-between;align-items:center;font-size:13px;padding:4px 0}.settings-row+.settings-row{margin-top:8px}.settings-key{color:var(--muted)}.settings-val{color:#fff}.spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--blue);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-center{text-align:center;padding:64px 20px}.loading-center .spinner{width:28px;height:28px;margin-bottom:12px}.loading-center p{font-size:13px;color:var(--muted)}pre{font-family:var(--font-mono);font-size:12px;color:var(--text);white-space:pre-wrap;word-break:break-all;overflow-y:auto;max-height:140px;padding:10px;background:var(--bg);border-radius:var(--r-md);margin-top:8px}.seal-steps{counter-reset:step}.seal-step{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px}.seal-step-num{width:24px;height:24px;border-radius:50%;background:#4da2ff26;border:1px solid var(--blue);color:var(--blue);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}.seal-step-body{flex:1}.seal-step-title{font-size:13px;font-weight:500;color:#fff;margin-bottom:4px}.seal-step-desc{font-size:12px;color:var(--muted);line-height:1.5}.row{display:flex;align-items:center}.row-between{display:flex;align-items:center;justify-content:space-between}.col{display:flex;flex-direction:column}.gap-2{gap:6px}.gap-3{gap:10px}.gap-4{gap:14px}.mt-2{margin-top:6px}.mt-3{margin-top:10px}.mt-4{margin-top:14px}.mt-6{margin-top:20px}.hidden{display:none!important}.mono{font-family:var(--font-mono)}.muted{color:var(--muted)}.small{font-size:12px}.break-all{word-break:break-all}.kv-table{width:100%;border-collapse:collapse;font-size:12px;margin-top:8px}.kv-table th{text-align:left;color:var(--muted);font-weight:500;padding:4px 8px 6px;border-bottom:1px solid var(--border)}.kv-key{color:var(--muted);white-space:nowrap;padding:5px 12px 5px 4px;vertical-align:top;font-weight:500;min-width:120px}.kv-val{color:var(--text);padding:5px 4px;word-break:break-all}.mono-sm{font-family:var(--font-mono);font-size:11px}.tag-list{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.card-note{font-size:11px;color:var(--muted);margin:-4px 0 10px;line-height:1.5}.card-note code{font-family:var(--font-mono);font-size:11px;color:var(--accent);background:#4da2ff14;padding:1px 4px;border-radius:3px}.code-viewer{margin-top:14px}.code-viewer-toggle{margin-bottom:0}.code-viewer-body{background:var(--panel);border:1px solid var(--border);border-radius:var(--r-lg);margin-top:8px;overflow:hidden}.code-viewer-toolbar{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-bottom:1px solid var(--border);background:var(--bg)}.code-viewer-filename{font-family:var(--font-mono);font-size:11px;color:var(--muted)}.code-viewer-tabs{display:flex;gap:2px}.code-viewer-tab{padding:4px 10px;font-size:11px;font-family:var(--font-mono);color:var(--muted);border-radius:var(--r-sm);cursor:pointer;background:none;border:none;transition:color .12s,background .12s}.code-viewer-tab:hover{color:var(--text);background:#ffffff0a}.code-viewer-tab.active{color:var(--accent);background:#4da2ff1a}.code-viewer-pre{font-family:var(--font-mono);font-size:12px;line-height:1.6;color:var(--text);white-space:pre-wrap;word-break:break-all;padding:14px 16px;margin:0;max-height:400px;overflow-y:auto;background:transparent;border-radius:0}.code-viewer-pre::-webkit-scrollbar{width:4px}.code-viewer-pre::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.quick-links{margin-top:14px}.quick-link{background:var(--bg);border-radius:var(--r-md);padding:12px 14px;cursor:pointer;transition:background .12s}.quick-link:hover{background:#4da2ff14}.quick-link-icon{font-size:18px;margin-bottom:4px}.quick-link-label{font-size:12px;font-weight:500;color:#fff}.quick-link-desc{font-size:11px;color:var(--muted);margin-top:2px}@media(max-width:600px){:root{--sidebar-w: 220px}.section{padding:20px 16px 40px}.stat-grid{grid-template-columns:1fr}.nft-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}}