:root{--bg-app: #0b0f19;--bg-card: rgba(17, 24, 39, .7);--border-card: rgba(255, 255, 255, .08);--border-card-hover: rgba(255, 255, 255, .15);--color-primary: #3b82f6;--color-primary-hover: #2563eb;--color-primary-glow: rgba(59, 130, 246, .3);--color-success: #10b981;--color-success-glow: rgba(16, 185, 129, .3);--color-danger: #ef4444;--color-danger-glow: rgba(239, 68, 68, .3);--color-warning: #f59e0b;--color-warning-glow: rgba(245, 158, 11, .3);--text-main: #f3f4f6;--text-muted: #9ca3af;--text-dark: #1f2937;--font-family-sans: "Outfit", sans-serif;--font-family-mono: "Space Grotesk", monospace;--transition-fast: .2s ease;--transition-normal: .3s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-app);color:var(--text-main);font-family:var(--font-family-sans);min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden;background-image:radial-gradient(at 10% 20%,rgba(59,130,246,.08) 0px,transparent 50%),radial-gradient(at 90% 80%,rgba(16,185,129,.05) 0px,transparent 50%)}.app-container{display:flex;flex-direction:column;height:100vh;padding:1.5rem;gap:1.5rem}.app-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:.5rem;border-bottom:1px solid var(--border-card)}.header-logo{display:flex;align-items:center;gap:.75rem}.logo-icon{font-size:2rem;filter:drop-shadow(0 0 10px var(--color-primary-glow));animation:logo-spin 10s linear infinite}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.logo-text h1{font-size:1.5rem;font-weight:700;font-family:var(--font-family-mono);background:linear-gradient(135deg,#fff 30%,var(--color-primary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.logo-text span{font-size:.85rem;color:var(--text-muted)}.header-status{display:flex;align-items:center;gap:.5rem;background:#ffffff08;padding:.5rem 1rem;border-radius:99px;border:1px solid var(--border-card)}.status-indicator{width:8px;height:8px;border-radius:50%;background-color:var(--color-success);box-shadow:0 0 8px var(--color-success)}.status-label{font-size:.8rem;font-weight:500;color:var(--text-muted)}.app-body{display:grid;grid-template-columns:320px 1fr 340px;flex:1;gap:1.5rem;min-height:0}.panel-card{background:var(--bg-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-radius:16px;border:1px solid var(--border-card);padding:1.25rem;display:flex;flex-direction:column;min-height:0;box-shadow:0 8px 32px #0000005e;transition:border-color var(--transition-fast)}.panel-card:hover{border-color:var(--border-card-hover)}.control-panel{overflow-y:auto}.panel-card h2{font-size:1.25rem;font-weight:600;margin-bottom:.25rem;font-family:var(--font-family-mono)}.section-desc{font-size:.8rem;color:var(--text-muted);margin-bottom:1rem}.panel-divider{border:0;height:1px;background:var(--border-card);margin:1.25rem 0}.form-group{margin-bottom:.75rem}.form-group label{display:block;font-size:.75rem;font-weight:500;color:var(--text-muted);margin-bottom:.25rem;text-transform:uppercase}input[type=text],select{width:100%;background:#ffffff0d;border:1px solid var(--border-card);border-radius:8px;color:var(--text-main);padding:.6rem .75rem;font-family:var(--font-family-sans);font-size:.9rem;transition:all var(--transition-fast)}input[type=text]:focus,select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-glow)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.6rem 1rem;border-radius:8px;font-family:var(--font-family-sans);font-size:.9rem;font-weight:600;cursor:pointer;border:none;transition:all var(--transition-fast)}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-hover);box-shadow:0 0 12px var(--color-primary-glow)}.btn-secondary{background-color:#ffffff14;color:var(--text-main);border:1px solid var(--border-card)}.btn-secondary:hover{background-color:#ffffff26}.btn-danger{background-color:#ef444426;color:#fca5a5;border:1px solid rgba(239,68,68,.3)}.btn-danger:hover{background-color:#ef44444d}.btn-block{width:100%}.control-actions{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;margin-top:1rem}.cluster-summary-banner{display:grid;grid-template-columns:repeat(3,1fr);background:#ffffff05;border:1px solid var(--border-card);border-radius:12px;padding:.75rem;text-align:center;margin-bottom:1.25rem}.banner-stat{display:flex;flex-direction:column}.stat-lbl{font-size:.65rem;color:var(--text-muted);text-transform:uppercase}.stat-val{font-size:1.25rem;font-weight:700;font-family:var(--font-family-mono);color:var(--color-primary)}.node-list-container{display:flex;flex-direction:column;margin-bottom:1rem}.node-list-container h3,.transaction-input-container h3{font-size:.9rem;font-weight:600;margin-bottom:.75rem;font-family:var(--font-family-mono);color:var(--text-muted)}.node-list{overflow-y:auto;min-height:250px;max-height:320px;display:flex;flex-direction:column;gap:.5rem;padding-right:.25rem}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:#0000001a}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:99px}::-webkit-scrollbar-thumb:hover{background:#fff3}.node-setting-item{background:#ffffff08;border:1px solid var(--border-card);border-radius:10px;padding:.75rem;display:flex;flex-direction:column;gap:.5rem;position:relative;transition:all var(--transition-fast)}.node-setting-item.leader-node{border-color:#3b82f666;background:#3b82f608}.node-setting-item.malicious-node{border-color:#ef444466;background:#ef444408}.node-setting-header{display:flex;justify-content:space-between;align-items:center}.node-title-group{display:flex;align-items:center;gap:.5rem}.node-title-group span{font-weight:600;font-size:.9rem}.badge{font-size:.65rem;padding:.15rem .4rem;border-radius:4px;font-weight:700;text-transform:uppercase}.badge-leader{background:#3b82f633;color:#93c5fd;border:1px solid rgba(59,130,246,.4)}.badge-replica{background:#ffffff0d;color:var(--text-muted);border:1px solid var(--border-card)}.badge-malicious{background:#ef444433;color:#fca5a5;border:1px solid rgba(239,68,68,.4)}.node-delete-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:.95rem;padding:.25rem;transition:color var(--transition-fast)}.node-delete-btn:hover{color:var(--color-danger)}.node-setting-controls{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:.5rem}.toggle-label{display:flex;align-items:center;gap:.4rem;font-size:.75rem;color:var(--text-muted);cursor:pointer}.visualizer-panel{display:flex;flex-direction:column}.panel-header-actions{display:flex;justify-content:space-between;align-items:center}.sim-speed-control{display:flex;align-items:center;gap:.5rem}.sim-speed-control label{font-size:.75rem;color:var(--text-muted)}.sim-speed-control select{width:auto;padding:.35rem 1.5rem .35rem .5rem;font-size:.8rem}.simulation-progress-bar{display:flex;justify-content:space-between;position:relative;margin:1rem 0 2rem}.simulation-progress-bar:before{content:"";position:absolute;top:14px;left:0;right:0;height:2px;background:var(--border-card);z-index:1}.progress-step{display:flex;flex-direction:column;align-items:center;z-index:2;position:relative;flex:1}.step-dot{width:30px;height:30px;border-radius:50%;background:#111827;border:2px solid var(--border-card);display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700;transition:all var(--transition-normal);font-family:var(--font-family-mono)}.step-lbl{font-size:.7rem;color:var(--text-muted);margin-top:.4rem;font-weight:500;text-align:center;transition:color var(--transition-normal)}.progress-step.active .step-dot{border-color:var(--color-primary);box-shadow:0 0 10px var(--color-primary-glow);background:var(--color-primary);color:#fff}.progress-step.active .step-lbl{color:var(--text-main);font-weight:600}.progress-step.completed .step-dot{border-color:var(--color-success);background:var(--color-success);color:#fff}.progress-step.completed .step-lbl{color:var(--color-success)}.progress-step.alert .step-dot{border-color:var(--color-danger);background:var(--color-danger);color:#fff}.progress-step.alert .step-lbl{color:var(--color-danger);font-weight:600}.network-container{flex:1;background:#0003;border:1px solid var(--border-card);border-radius:12px;position:relative;overflow:hidden;margin-bottom:1rem;box-shadow:inset 0 0 20px #0009}.network-visualizer{position:absolute;top:0;left:0;width:100%;height:100%}.network-svg{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}.connection-line{stroke:#ffffff0d;stroke-width:1.5;stroke-dasharray:4 4}.connection-line.active{stroke:#3b82f633;stroke-width:2}.visual-node{position:absolute;width:70px;height:70px;border-radius:50%;background:#111827e6;border:2px solid var(--border-card);display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:default;transition:all var(--transition-normal);z-index:10;transform:translate(-50%,-50%)}.visual-node:before{content:"";position:absolute;top:-6px;right:-6px;bottom:-6px;left:-6px;border-radius:50%;border:2px dashed transparent;transition:all var(--transition-normal)}.visual-node.active-phase:before{border-color:var(--color-primary);animation:rotation-spin 12s linear infinite}@keyframes rotation-spin{to{transform:rotate(360deg)}}.visual-node.leader{border-color:var(--color-primary);box-shadow:0 0 15px #3b82f640}.visual-node.malicious{border-color:var(--color-danger);box-shadow:0 0 15px #ef444440}.visual-node.healthy{border-color:var(--color-success)}.visual-node-id{font-family:var(--font-family-mono);font-weight:700;font-size:.85rem}.visual-node-role{font-size:.55rem;color:var(--text-muted);text-transform:uppercase;font-weight:600}.visual-node-badge-malicious{position:absolute;top:-4px;right:-4px;background:var(--color-danger);border-radius:50%;width:18px;height:18px;display:flex;align-items:center;justify-content:center;font-size:.6rem;box-shadow:0 0 6px var(--color-danger)}.packet{position:absolute;width:8px;height:8px;border-radius:50%;background:var(--color-primary);box-shadow:0 0 8px var(--color-primary);z-index:20;pointer-events:none;transform:translate(-50%,-50%)}.packet.altered{background:var(--color-danger);box-shadow:0 0 8px var(--color-danger)}.packet.invalid-sig{background:var(--color-warning);box-shadow:0 0 8px var(--color-warning)}.simulation-legend{display:flex;justify-content:center;gap:1.5rem;font-size:.75rem;color:var(--text-muted);padding-top:.5rem}.legend-item{display:flex;align-items:center;gap:.4rem}.legend-color{width:12px;height:12px;border-radius:50%;border:1px solid var(--border-card)}.legend-color.leader{border-color:var(--color-primary);background:#3b82f633}.legend-color.healthy{border-color:var(--color-success);background:#10b98133}.legend-color.malicious{border-color:var(--color-danger);background:#ef444433}.legend-color.active-phase{border:2px dashed var(--color-primary)}.metrics-panel{display:flex;flex-direction:column}.consensus-result-badge{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.8rem;border-radius:12px;margin-bottom:1.25rem;font-weight:700;text-transform:uppercase;font-size:.95rem;font-family:var(--font-family-mono);border:1px solid transparent;transition:all var(--transition-normal)}.consensus-result-badge.pending{background:#ffffff08;color:var(--text-muted);border-color:var(--border-card)}.consensus-result-badge.success{background:#10b98126;color:#6ee7b7;border-color:#10b9814d;box-shadow:0 0 12px #10b9811a}.consensus-result-badge.failed{background:#ef444426;color:#fca5a5;border-color:#ef44444d;box-shadow:0 0 12px #ef44441a}.metrics-grid{display:grid;grid-template-columns:1fr;gap:1rem}.metric-card{background:#ffffff05;border:1px solid var(--border-card);border-radius:12px;padding:.85rem}.metric-lbl{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;font-weight:600;display:block;margin-bottom:.5rem}.metric-val{font-size:1.1rem;font-weight:700;font-family:var(--font-family-mono)}.metric-progress-wrapper{display:flex;flex-direction:column;gap:.4rem}.progress-track{width:100%;height:6px;background:#ffffff0d;border-radius:99px;overflow:hidden}.progress-fill{height:100%;background-color:var(--color-primary);border-radius:99px;transition:width .5s ease}.event-log-container{display:flex;flex-direction:column;flex:1;min-height:0}.log-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.log-header h3{font-size:.9rem;font-weight:600;font-family:var(--font-family-mono);color:var(--text-muted)}.btn-clear-link{background:none;border:none;color:var(--color-primary);cursor:pointer;font-size:.75rem;font-weight:600;font-family:var(--font-family-sans)}.btn-clear-link:hover{text-decoration:underline}.log-console{background:#00000059;border:1px solid var(--border-card);border-radius:12px;padding:.75rem;overflow-y:auto;font-family:var(--font-family-mono);font-size:.75rem;line-height:1.4;flex:1;display:flex;flex-direction:column;gap:.4rem;box-shadow:inset 0 0 10px #00000080}.log-entry{color:#d1d5db;border-bottom:1px solid rgba(255,255,255,.02);padding-bottom:.25rem}.log-entry.system{color:#818cf8}.log-entry.pre_prepare{color:#93c5fd}.log-entry.prepare{color:#fde047}.log-entry.commit{color:#6ee7b7}.log-entry.executed{color:#34d399;font-weight:700}.log-entry.alert{color:#f87171;background:#ef444414;padding:.25rem .5rem;border-radius:4px;border:1px solid rgba(239,68,68,.2)}@media (max-width: 1024px){body{overflow-y:auto}.app-container{height:auto;padding:1rem}.app-body{grid-template-columns:1fr;height:auto}.panel-card{height:500px}}