:root{--bg-deep: #070b11;--bg-surface: #0d111c;--bg-elevated: #131a2b;--bg-input: #0a0f1a;--border: rgba(99, 102, 241, .12);--border-active: rgba(99, 102, 241, .4);--primary: #6366f1;--primary-glow: rgba(99, 102, 241, .25);--secondary: #06b6d4;--success: #10b981;--error: #ef4444;--warn: #f59e0b;--text: #e2e8f0;--text-dim: #64748b;--text-muted: #475569;--font: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", "SF Mono", "Fira Code", monospace;--radius: 12px;--radius-sm: 8px;--shadow: 0 4px 24px rgba(0, 0, 0, .4);--transition: .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:15px;-webkit-font-smoothing:antialiased}body{font-family:var(--font);background:var(--bg-deep);color:var(--text);min-height:100vh;overflow-x:hidden}.bg-glow{position:fixed;z-index:-1;border-radius:50%;filter:blur(120px);pointer-events:none}.bg-glow--1{width:600px;height:600px;background:radial-gradient(circle,rgba(99,102,241,.08) 0%,transparent 70%);top:-200px;right:-200px}.bg-glow--2{width:500px;height:500px;background:radial-gradient(circle,rgba(6,182,212,.06) 0%,transparent 70%);bottom:-200px;left:-200px}#app{max-width:1100px;margin:0 auto;padding:32px 24px;display:flex;flex-direction:column;min-height:100vh}.header{margin-bottom:32px}.header-brand{display:flex;align-items:center;gap:12px}.header-icon{font-size:28px}.header-brand h1{font-size:24px;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-badge{font-size:11px;font-weight:600;letter-spacing:.5px;padding:2px 10px;border-radius:20px;background:#6366f126;color:var(--primary);border:1px solid rgba(99,102,241,.25)}.header-sub{font-size:13px;color:var(--text-dim);margin-top:4px;padding-left:40px}.chain-tabs{display:flex;gap:4px;margin-top:20px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:4px;width:fit-content}.chain-tab{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border:none;border-radius:calc(var(--radius) - 2px);background:transparent;color:var(--text-dim);font-family:var(--font);font-size:13px;font-weight:600;cursor:pointer;transition:all var(--transition);letter-spacing:.3px}.chain-tab:hover{color:var(--text);background:#6366f114}.chain-tab.active{background:var(--primary);color:#fff;box-shadow:0 2px 12px var(--primary-glow)}.chain-tab-icon{font-size:15px;line-height:1}.chain-tab[data-chain=solana].active{background:linear-gradient(135deg,#9945ff,#14f195)}.chain-tab[data-chain=eth].active{background:linear-gradient(135deg,#627eea,#8a92b2)}.chain-tab[data-chain=bsc].active{background:linear-gradient(135deg,#f3ba2f,#f0b90b)}.chain-tab[data-chain=base].active{background:linear-gradient(135deg,#0052ff,#6c8cff)}.field-hint{display:block;font-size:11px;color:var(--text-muted);margin-top:4px;font-family:var(--font-mono)}.field-hint--warn{color:var(--warn)}.card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);backdrop-filter:blur(12px)}.card-title{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--text-dim);margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--border)}.notice{margin-bottom:16px;padding:10px 12px;border-radius:var(--radius-sm);font-size:12px;line-height:1.45}.notice--warn{color:#fbbf24;background:#f59e0b14;border:1px solid rgba(245,158,11,.2)}.main{display:grid;grid-template-columns:1fr 1fr;gap:24px;flex:1}@media(max-width:800px){.main{grid-template-columns:1fr}#app{padding:20px 16px}}.field{margin-bottom:16px}.field-label{display:block;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.6px;color:var(--text-dim);margin-bottom:6px}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field--narrow{min-width:0}.input-wrapper{position:relative}.input{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:14px;font-family:var(--font);transition:border-color var(--transition),box-shadow var(--transition);outline:none}.input--mono{font-family:var(--font-mono);font-size:13px}.input--secret{-webkit-text-security:disc}.input--select{appearance:none;cursor:pointer}.input--hidden{display:none;margin-top:8px}.input--hidden.visible{display:block}.input::placeholder{color:var(--text-muted)}.input:focus{border-color:var(--border-active);box-shadow:0 0 0 3px var(--primary-glow)}textarea.input{resize:vertical;min-height:60px}.input-toggle{position:absolute;right:10px;top:8px;background:none;border:none;cursor:pointer;font-size:16px;opacity:.5;transition:opacity var(--transition);padding:2px;line-height:1}.input-toggle:hover{opacity:1}.slider-group{display:flex;align-items:center;gap:12px}.slider-group input[type=range]{flex:1;height:4px;appearance:none;outline:none;background:#6366f133;border-radius:4px;cursor:pointer}.slider-group input[type=range]::-webkit-slider-thumb{appearance:none;width:16px;height:16px;border-radius:50%;background:var(--primary);border:2px solid var(--bg-surface);box-shadow:0 0 8px var(--primary-glow);cursor:pointer;transition:transform var(--transition)}.slider-group input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.15)}.slider-group input[type=range]::-moz-range-track{height:4px;background:#6366f133;border-radius:4px}.slider-group input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--primary);border:2px solid var(--bg-surface);box-shadow:0 0 8px var(--primary-glow);cursor:pointer}.input--number{width:76px;padding:7px 8px;font-family:var(--font-mono);font-size:13px;text-align:right}.slider-value{font-family:var(--font-mono);font-size:14px;font-weight:500;color:var(--primary);min-width:36px;text-align:right}.check-row{display:flex;align-items:flex-start;gap:8px;margin-top:8px;color:var(--text-dim);font-size:12px;line-height:1.35}.check-row input{margin-top:2px}.rpc-group{display:flex;gap:8px;align-items:start;flex-wrap:wrap}.rpc-group select{flex:1;min-width:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border:none;border-radius:var(--radius-sm);font-family:var(--font);font-size:14px;font-weight:600;cursor:pointer;transition:all var(--transition)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn--primary{width:100%;margin-top:8px;background:linear-gradient(135deg,var(--primary),#4f46e5);color:#fff;font-size:15px;letter-spacing:.3px;box-shadow:0 0 20px var(--primary-glow)}.btn--primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 0 30px #6366f166}.btn--primary:active:not(:disabled){transform:translateY(0)}.btn--outline{background:transparent;border:1px solid var(--border);color:var(--text-dim);padding:8px 14px;font-size:12px}.btn--outline:hover{border-color:var(--border-active);color:var(--text)}.btn--sm{padding:6px 12px;font-size:11px;white-space:nowrap}.btn-icon{font-size:18px;line-height:1}.dot{display:inline-block;width:8px;height:8px;border-radius:50%}.dot--idle{background:var(--text-muted)}.dot--ok{background:var(--success);box-shadow:0 0 8px #10b98180}.dot--fail{background:var(--error)}.dot--loading{background:var(--primary);animation:pulse 1s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.fee-estimate{margin-top:16px;padding:12px 16px;background:#10b9810f;border:1px solid rgba(16,185,129,.15);border-radius:var(--radius-sm);display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px}.fee-label{color:var(--text-dim)}.fee-value{font-family:var(--font-mono);font-weight:600;color:var(--success)}.fee-compare{margin-left:auto;color:var(--text-dim);font-size:12px}.fee-compare strong{color:var(--warn)}.log-panel{display:flex;flex-direction:column}.log-container{flex:1;min-height:300px;max-height:520px;overflow-y:auto;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px;font-family:var(--font-mono);font-size:12px;line-height:1.6}.log-container::-webkit-scrollbar{width:4px}.log-container::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:4px}.log-empty{color:var(--text-muted);font-style:italic;display:flex;align-items:center;justify-content:center;height:100%;min-height:200px}.log-entries{display:none;flex-direction:column;gap:2px}.log-entries.active{display:flex}.log-entry{padding:2px 6px;border-radius:3px;white-space:pre-wrap;word-break:break-all}.log-entry--info{color:var(--text-dim)}.log-entry--info strong{color:var(--text);font-weight:500}.log-entry--success{color:var(--success)}.log-entry--error{color:var(--error)}.log-entry--warn{color:var(--warn)}.log-entry a{color:var(--secondary);text-decoration:none}.log-entry a:hover{text-decoration:underline}.recovery-box{margin-top:16px;display:flex;flex-direction:column;gap:10px}.recovery-title{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.6px;color:var(--text-dim)}.recovery-actions{display:flex;gap:8px;flex-wrap:wrap}.footer{margin-top:24px;padding-top:16px;display:flex;justify-content:space-between;font-size:12px;color:var(--text-muted);border-top:1px solid var(--border)}@media(max-width:600px){.footer{flex-direction:column;gap:4px;text-align:center}}.btn--loading{pointer-events:none}.btn--loading .btn-icon{animation:spin 1.2s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}