:root{--bg:#0a0e14;--bg-elevated:#111720;--bg-card:#151c28;--border:#1e2a3a;--border-hover:#2a3a4e;--text:#94a3b8;--text-bright:#e2e8f0;--text-dim:#475569;--accent:#00e87b;--accent-dim:#00e87b1f;--blue:#3b82f6;--blue-dim:#3b82f61f;--purple:#a78bfa;--purple-dim:#a78bfa1f;--amber:#f59e0b;--amber-dim:#f59e0b1f;--red:#ef4444;--red-dim:#ef44441f;--cyan:#22d3ee;--font-sans:"Inter", system-ui, -apple-system, sans-serif;--font-mono:"JetBrains Mono", "Fira Code", monospace;--radius:8px;--radius-lg:12px;--shadow:0 4px 24px #0000004d}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;min-height:100vh}body:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(80% 50% at 50% -20%,#00e87b0f,#0000),radial-gradient(60% 40% at 80% 100%,#3b82f60a,#0000);position:fixed;inset:0}#root{z-index:1;position:relative}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--border-hover)}input,select,textarea,button{font-family:inherit}.app{flex-direction:column;min-height:100vh;display:flex}.login-screen{background:var(--bg);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);width:420px;max-width:90vw;box-shadow:var(--shadow);padding:48px}.login-logo{color:var(--text-bright);letter-spacing:-1px;margin-bottom:4px;font-size:2rem;font-weight:800}.login-logo 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auto;padding:24px}.stats-row{grid-template-columns:repeat(6,1fr);gap:12px;margin-bottom:24px;display:grid}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;position:relative;overflow:hidden}.stat-card:before{content:"";height:2px;position:absolute;top:0;left:0;right:0}.stat-card.green:before{background:var(--accent)}.stat-card.blue:before{background:var(--blue)}.stat-card.purple:before{background:var(--purple)}.stat-card.amber:before{background:var(--amber)}.stat-card.red:before{background:var(--red)}.stat-card.cyan:before{background:var(--cyan)}.stat-label{color:var(--text-dim);letter-spacing:1.5px;text-transform:uppercase;margin-bottom:8px;font-size:.6rem;font-weight:600}.stat-value{color:var(--text-bright);font-size:1.6rem;font-weight:800}.stat-value.green{color:var(--accent)}.stat-value.blue{color:var(--blue)}.stat-value.purple{color:var(--purple)}.stat-value.amber{color:var(--amber)}.stat-value.red{color:var(--red)}.stat-value.cyan{color:var(--cyan)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:16px;overflow:hidden}.card-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.card-title{color:var(--text-bright);text-transform:uppercase;letter-spacing:.5px;align-items:center;gap:10px;font-size:.8rem;font-weight:700;display:flex}.card-dot{border-radius:50%;width:8px;height:8px}.card-body{padding:20px}.card-actions{gap:8px;display:flex}.btn{border-radius:var(--radius);cursor:pointer;letter-spacing:.5px;text-transform:uppercase;border:1px solid #0000;align-items:center;gap:6px;padding:8px 16px;font-size:.72rem;font-weight:600;transition:all 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pulse}.flow-circle.rejected{border-color:var(--red);color:var(--red);background:var(--red-dim)}.flow-label{color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;text-align:center;margin-top:8px;font-size:.65rem;font-weight:600}.flow-actor{color:var(--text);font-size:.6rem;font-family:var(--font-mono);margin-top:2px}.flow-line{background:var(--border);flex-shrink:0;width:60px;height:2px;margin-top:20px}.flow-line.done{background:var(--accent)}.ledger-entry{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:8px;padding:14px 16px;transition:border-color .2s}.ledger-entry:hover{border-color:var(--accent)}.ledger-row{justify-content:space-between;align-items:center;margin-bottom:6px;display:flex}.ledger-meta{color:var(--text-dim);font-size:.68rem}.hash-box{font-family:var(--font-mono);color:var(--text-dim);background:var(--bg);word-break:break-all;border-radius:4px;margin-top:6px;padding:4px 10px;font-size:.62rem}.hash-box .hl{color:var(--accent)}.hash-box 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20px;font-size:.75rem;font-weight:700}.verify-ok{background:var(--accent-dim);color:var(--accent);border:1px solid #00e87b4d}.verify-fail{background:var(--red-dim);color:var(--red);border:1px solid #ef44444d}.verify-loading{background:var(--blue-dim);color:var(--blue);border:1px solid #3b82f64d}.response-box{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);font-family:var(--font-mono);color:var(--accent);white-space:pre-wrap;word-break:break-all;max-height:200px;margin-top:12px;padding:14px;font-size:.72rem;overflow-y:auto}.response-box.error{color:var(--red);border-color:#ef44444d}.scrollable{max-height:600px;overflow-y:auto}.empty{text-align:center;color:var(--text-dim);padding:48px 20px}.empty-icon{opacity:.2;margin-bottom:12px;font-size:2.5rem}.empty-text{font-size:.8rem}.grid-2{grid-template-columns:1fr 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