:root{--bg-primary: #0b0f19;--bg-secondary: #111827;--bg-card: #1f2937;--bg-card-hover: #374151;--border-color: #2e3b4e;--text-primary: #f9fafb;--text-secondary: #9ca3af;--text-muted: #6b7280;--accent-blue: #0ea5e9;--accent-blue-glow: rgba(14, 165, 233, .15);--accent-teal: #14b8a6;--accent-teal-glow: rgba(20, 184, 166, .15);--accent-purple: #8b5cf6;--accent-orange: #f97316;--accent-red: #ef4444;--accent-green: #10b981;--transition-smooth: all .3s cubic-bezier(.4, 0, .2, 1);--shadow-sm: 0 2px 4px rgba(0, 0, 0, .1);--shadow-md: 0 4px 12px rgba(0, 0, 0, .25);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .4);--shadow-blue: 0 0 15px rgba(14, 165, 233, .3)}*{margin:0;padding:0;box-sizing:border-box;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}body{background-color:var(--bg-primary);color:var(--text-primary);overflow-x:hidden;font-size:14px;line-height:1.5}h1,h2,h3,h4,h5,h6{font-family:Outfit,sans-serif;font-weight:600;letter-spacing:-.02em}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent-blue)}.slits-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;padding:20px;box-shadow:var(--shadow-md);transition:var(--transition-smooth)}.slits-card:hover{border-color:var(--accent-blue);box-shadow:var(--shadow-blue);transform:translateY(-2px)}.slits-input{width:100%;padding:10px 14px;background-color:#111827b3;border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-size:14px;outline:none;transition:var(--transition-smooth)}.slits-input:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px var(--accent-blue-glow)}.slits-input::placeholder{color:var(--text-muted)}.slits-label{display:block;margin-bottom:6px;color:var(--text-secondary);font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.05em}.slits-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;font-weight:600;font-size:14px;border-radius:8px;border:none;cursor:pointer;transition:var(--transition-smooth);outline:none}.slits-btn-primary{background:linear-gradient(135deg,#0284c7 0%,#0ea5e9 100%);color:#fff;box-shadow:var(--shadow-sm)}.slits-btn-primary:hover{opacity:.9;box-shadow:var(--shadow-blue);transform:scale(1.02)}.slits-btn-secondary{background-color:transparent;border:1px solid var(--border-color);color:var(--text-primary)}.slits-btn-secondary:hover{background-color:var(--bg-card-hover);border-color:var(--text-secondary)}.slits-btn-danger{background:linear-gradient(135deg,#dc2626 0%,#ef4444 100%);color:#fff}.slits-btn-danger:hover{opacity:.9;transform:scale(1.02)}.slits-btn-success{background:linear-gradient(135deg,#059669 0%,#10b981 100%);color:#fff}.slits-btn-success:hover{opacity:.9;transform:scale(1.02)}.slits-badge{display:inline-flex;align-items:center;padding:3px 8px;border-radius:9999px;font-size:11px;font-weight:600;text-transform:uppercase}.badge-info{background:rgba(14,165,233,.15);color:var(--accent-blue);border:1px solid rgba(14,165,233,.3)}.badge-success{background:rgba(16,185,129,.15);color:var(--accent-green);border:1px solid rgba(16,185,129,.3)}.badge-warning{background:rgba(249,115,22,.15);color:var(--accent-orange);border:1px solid rgba(249,115,22,.3)}.badge-danger{background:rgba(239,68,68,.15);color:var(--accent-red);border:1px solid rgba(239,68,68,.3)}.slits-table-container{overflow-x:auto;border:1px solid var(--border-color);border-radius:8px;background-color:var(--bg-secondary)}.slits-table{width:100%;border-collapse:collapse;text-align:left}.slits-table th{background-color:#1f293780;color:var(--text-secondary);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;padding:12px 16px;border-bottom:1px solid var(--border-color)}.slits-table td{padding:12px 16px;color:var(--text-primary);border-bottom:1px solid var(--border-color);font-size:13px}.slits-table tr:last-child td{border-bottom:none}.slits-table tr:hover td{background-color:#3741514d}@keyframes pulseGlow{0%,to{box-shadow:0 0 10px #0ea5e933}50%{box-shadow:0 0 20px #0ea5e980}}@keyframes slideInUp{0%{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}.animate-pulse-glow{animation:pulseGlow 2s infinite ease-in-out}.animate-slide-up{animation:slideInUp .4s ease-out forwards}.login-wrapper{display:flex;align-items:center;justify-content:center;min-height:100vh;background:radial-gradient(circle at 50% 50%,#111827 0%,#030712 100%);padding:20px}.login-card{width:100%;max-width:420px;padding:40px 30px;text-align:center;border:1px solid var(--border-color);background:rgba(31,41,55,.85);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.login-logo{font-size:48px;color:var(--accent-blue);margin-bottom:20px;filter:drop-shadow(0 0 10px rgba(14,165,233,.4))}.login-header h2{font-size:24px;margin-bottom:8px;font-weight:800}.login-header p{color:var(--text-secondary);font-size:13px;margin-bottom:30px}.form-group{margin-bottom:20px;text-align:left}.login-btn{width:100%;padding:12px;font-size:15px;margin-top:10px}.login-footer{margin-top:30px;border-top:1px solid var(--border-color);padding-top:20px;font-size:11px;color:var(--text-muted)}.demo-hints{display:flex;flex-direction:column;gap:4px;margin-top:8px}.app-layout{display:flex;min-height:100vh}.sidebar{width:260px;background-color:var(--bg-secondary);border-right:1px solid var(--border-color);display:flex;flex-direction:column;flex-shrink:0}.brand{padding:24px 20px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--border-color)}.brand-icon{font-size:28px;color:var(--accent-blue);text-shadow:var(--shadow-blue)}.brand h2{font-size:16px;font-weight:700;color:var(--text-primary)}.brand span{font-size:10px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.1em}.nav-menu{flex:1;padding:16px 12px;overflow-y:auto}.nav-menu a{display:flex;align-items:center;gap:10px;padding:10px 14px;color:var(--text-secondary);border-radius:8px;text-decoration:none;cursor:pointer;margin-bottom:4px;font-weight:500;transition:var(--transition-smooth)}.nav-menu a:hover{background-color:#37415166;color:var(--text-primary)}.nav-menu a.active{background-color:var(--accent-blue-glow);color:var(--accent-blue);border-left:3px solid var(--accent-blue);font-weight:600}.nav-section{padding:14px 14px 6px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted)}.alert-link{display:flex!important;justify-content:space-between;align-items:center}.alert-badge{background-color:var(--accent-red);color:#fff;font-size:10px;font-weight:700;padding:2px 6px;border-radius:999px}.user-profile{padding:16px 20px;border-top:1px solid var(--border-color);display:flex;align-items:center;gap:10px}.avatar i{font-size:32px;color:var(--text-secondary)}.profile-info{flex:1;overflow:hidden}.profile-info .username{font-weight:600;font-size:13px;color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.logout-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;font-size:16px;padding:6px;transition:var(--transition-smooth)}.logout-btn:hover{color:var(--accent-red)}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden;background-color:var(--bg-primary)}.top-header{height:70px;border-bottom:1px solid var(--border-color);padding:0 30px;display:flex;align-items:center;justify-content:space-between;background-color:var(--bg-secondary);flex-shrink:0}.top-header h1{font-size:20px;color:var(--text-primary)}.site-tag{font-size:11px;color:var(--text-secondary);margin-top:2px}.header-right{display:flex;align-items:center;gap:20px}.connection-status{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-muted)}.connection-status.connected{color:var(--accent-teal)}.status-dot{width:8px;height:8px;border-radius:50%;background-color:var(--accent-red)}.connected .status-dot{background-color:var(--accent-teal);box-shadow:0 0 8px var(--accent-teal);animation:pulseGlow 1.5s infinite}.current-time{font-size:12px;color:var(--text-secondary)}.pane-body{flex:1;padding:30px;overflow-y:auto}.stats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:30px}.stats-card{display:flex;align-items:center;gap:16px}.card-icon{width:48px;height:48px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px}.card-icon.blue{background-color:var(--accent-blue-glow);color:var(--accent-blue)}.card-icon.teal{background-color:var(--accent-teal-glow);color:var(--accent-teal)}.card-icon.purple{background-color:#8b5cf626;color:var(--accent-purple)}.card-icon.red{background-color:#ef444426;color:var(--accent-red)}.card-details h3{font-size:22px;font-weight:750;margin-top:2px}.card-details .unit{font-size:12px;font-weight:400;color:var(--text-secondary)}.dashboard-layouts{display:grid;grid-template-columns:3fr 2fr;gap:30px}.feed-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;border-bottom:1px solid var(--border-color);padding-bottom:10px}.scrollable{max-height:400px;overflow-y:auto}.feed-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--border-color)}.feed-item:last-child{border-bottom:none}.feed-item-time{font-size:11px;color:var(--text-muted);width:55px;flex-shrink:0;padding-top:2px}.feed-item-icon{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;flex-shrink:0}.feed-item-icon.blue{background:var(--accent-blue-glow);color:var(--accent-blue)}.feed-item-icon.teal{background:var(--accent-teal-glow);color:var(--accent-teal)}.feed-item-icon.purple{background:rgba(139,92,246,.15);color:var(--accent-purple)}.feed-item-icon.red{background:rgba(239,68,68,.15);color:var(--accent-red)}.feed-item-content strong{font-size:12px;color:var(--text-primary)}.feed-item-content p{font-size:12px;color:var(--text-secondary);margin-top:2px}.grid-form-layout{display:grid;grid-template-columns:2fr 1fr;gap:30px}.panel-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.search-box{max-width:240px}.scrollable-table{max-height:500px}.subtitle{font-size:12px;color:var(--text-secondary);margin-bottom:20px}.form-body{display:flex;flex-direction:column;gap:16px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.btn-group{display:flex;flex-direction:column;gap:10px;margin-top:10px}.full-width{width:100%}.clickable-row{cursor:pointer;transition:var(--transition-smooth)}.clickable-row:hover{background-color:var(--bg-card-hover)!important}.clickable-row.selected-row{background-color:#0ea5e926!important;border-left:3px solid #0ea5e9}.tag-type-badge{background-color:#1f293799;border:1px solid var(--border-color);padding:2px 6px;border-radius:4px;font-family:monospace;font-size:11px}.handheld-simulator-container{display:flex;align-items:flex-start;justify-content:center;gap:40px}.handheld-device{width:320px;height:620px;background-color:#374151;border:10px solid #111827;border-radius:36px;padding:10px;display:flex;flex-direction:column;position:relative;box-shadow:0 25px 50px -12px #000000b3}.device-ear{width:60px;height:4px;background-color:#111827;border-radius:2px;position:absolute;top:4px;left:50%;transform:translate(-50%)}.device-screen{flex:1;background-color:#111827;border-radius:20px;display:flex;flex-direction:column;overflow:hidden}.handheld-app-bar{height:44px;background-color:#1f2937;border-bottom:1px solid #374151;padding:0 16px;display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:600}.handheld-body{flex:1;padding:12px;display:flex;flex-direction:column;gap:12px;background-color:#0b0f19}.simulation-selector{display:grid;grid-template-columns:repeat(5,1fr);gap:2px;border-bottom:1px solid #374151;padding-bottom:8px}.simulation-selector button{background:#1f2937;border:none;color:#9ca3af;padding:6px 2px;font-size:8px;font-weight:700;text-transform:uppercase;border-radius:4px;cursor:pointer}.simulation-selector button.active{background:var(--accent-blue);color:#fff}.sim-help{font-size:10px;color:var(--text-secondary);margin-bottom:8px}.input-scanner-simulation{display:flex;gap:4px}.scan-button{background:#374151;border:1px solid var(--border-color);color:#fff;padding:0 10px;border-radius:6px;cursor:pointer}.scan-button:hover{background:var(--accent-blue)}.input-sm{padding:6px 10px;font-size:12px}.added-items-box{background:rgba(17,24,39,.8);border:1px solid var(--border-color);border-radius:6px;height:80px;overflow-y:auto;padding:6px;margin-top:4px}.added-item{display:flex;justify-content:space-between;align-items:center;font-size:10px;padding:2px 4px;border-bottom:1px solid #2e3b4e}.added-item span{color:var(--accent-red);cursor:pointer}.device-home{width:40px;height:40px;border-radius:50%;border:2px solid #111827;margin:8px auto 0;cursor:pointer}.handheld-footer{height:20px;display:flex;justify-content:center;gap:20px;align-items:center}.footer-btn{width:12px;height:12px;border-radius:50%}.footer-btn.red{background-color:#ef4444}.footer-btn.yellow{background-color:#f59e0b}.simulator-instructions{flex:1;max-width:420px}.notes-box{background-color:#1f293766;border-left:4px solid var(--accent-blue);padding:14px;border-radius:0 8px 8px 0}.notes-box ol,.notes-box ul{margin-left:20px;margin-top:8px}.notes-box li{margin-bottom:6px;font-size:13px}.gate-simulator-layout{display:grid;grid-template-columns:1fr 1fr;gap:30px}.antenna-diagram{display:flex;align-items:center;justify-content:space-between;height:180px;background-color:#111827b3;border:1px solid var(--border-color);border-radius:12px;padding:20px;margin:20px 0}.diagram-zone{flex:1;display:flex;flex-direction:column;align-items:center;gap:12px;font-weight:600}.antenna-box{background:#1f2937;border:1px solid var(--border-color);padding:10px 14px;border-radius:8px;display:flex;flex-direction:column;align-items:center;font-size:12px;color:var(--text-secondary);transition:var(--transition-smooth)}.antenna-box.highlight{border-color:var(--accent-teal);background-color:var(--accent-teal-glow);color:#fff;box-shadow:0 0 10px #14b8a64d}.antenna-box i{font-size:20px;margin-bottom:4px}.diagram-gate{display:flex;flex-direction:column;align-items:center;gap:8px;font-weight:800;color:var(--accent-blue)}.gate-bar{width:4px;height:80px;background:linear-gradient(to bottom,var(--accent-blue),transparent)}.slits-slider{width:100%;height:6px;background:var(--border-color);outline:none;border-radius:3px;-webkit-appearance:none}.slits-slider::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:var(--accent-blue);cursor:pointer}.select-epc-quick{max-width:180px;font-size:11px}.pos-simulator-container{max-width:720px;margin:0 auto}.pos-layout{display:grid;grid-template-columns:1fr 1fr;gap:30px}.pos-register{border-right:1px solid var(--border-color);padding-right:30px}.register-header{border-bottom:1px solid var(--border-color);padding-bottom:14px;margin-bottom:20px}.register-header span{font-size:11px;color:var(--text-secondary)}.pos-screen-panel h4{margin-bottom:14px}.monitor-screen{background-color:#0b0f19;border:1px solid var(--border-color);border-radius:12px;height:250px;display:flex;align-items:center;justify-content:center;padding:20px}.screen-empty{text-align:center;color:var(--text-muted)}.screen-empty i{font-size:32px;margin-bottom:8px}.screen-receipt{width:100%;height:100%;display:flex;flex-direction:column;justify-content:space-between;color:#e5e7eb}.receipt-header{text-align:center;border-bottom:1px dashed var(--border-color);padding-bottom:8px}.receipt-line{display:flex;justify-content:space-between;font-size:12px;margin:6px 0}.receipt-footer{border-top:1px dashed var(--border-color);padding-top:10px}.trace-search-bar{display:flex;gap:12px;margin-top:15px}.trace-item-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-color);padding-bottom:12px;margin-bottom:20px}.timeline{display:flex;flex-direction:column;gap:20px;position:relative;margin-left:20px;border-left:2px solid var(--border-color);padding-left:20px}.timeline-node{position:relative}.node-bullet{width:12px;height:12px;border-radius:50%;background:var(--accent-blue);box-shadow:var(--shadow-blue);position:absolute;left:-27px;top:12px}.node-header{display:flex;justify-content:space-between;margin-bottom:6px}.node-header h5{font-size:14px;color:#fff}.node-header span{font-size:11px;color:var(--text-muted)}.node-details{padding:12px 16px!important}.node-details p{font-size:12px;color:var(--text-secondary)}.node-meta{font-size:11px;color:var(--text-muted);margin-top:8px;border-top:1px solid rgba(255,255,255,.05);padding-top:6px}.alert-item{display:flex;align-items:center;gap:16px;background:rgba(239,68,68,.05);border:1px solid rgba(239,68,68,.2);border-radius:8px;padding:14px;margin-bottom:12px}.alert-icon{font-size:20px;color:var(--accent-orange)}.alert-desc{flex:1}.alert-desc strong{font-size:13px}.alert-desc p{font-size:12px;color:var(--text-secondary);margin-top:2px}.alert-meta{font-size:11px;color:var(--text-muted);margin-top:4px}.reports-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}.report-card{text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:space-between;min-height:220px}.report-icon{font-size:36px;margin-bottom:12px}.margin-top{margin-top:15px}.margin-bottom{margin-bottom:15px}.text-blue{color:var(--accent-blue)}.text-teal{color:var(--accent-teal)}.text-orange{color:var(--accent-orange)}.text-red{color:var(--accent-red)}.text-green{color:var(--accent-green)}.font-bold{font-weight:700}