:root{--blue: #185fa5;--blue-dark: #0c447c;--blue-light: #e6f1fb;--bg: #f7f7f5;--surface: #ffffff;--border: #e3e1da;--text: #1f1f1d;--muted: #6b6a64;--radius: 10px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px}.app{max-width:1200px;margin:0 auto;padding:0 24px 48px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 0;border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:12px}.brand-badge{width:38px;height:38px;border-radius:8px;background:var(--blue-dark);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:13px;letter-spacing:.5px}.brand-title{font-weight:600;font-size:16px}.brand-sub{font-size:12px;color:var(--muted)}.mode{font-size:12px;font-family:ui-monospace,monospace;padding:5px 10px;border-radius:20px}.mode.live{background:#eaf3de;color:#3b6d11}.mode.demo{background:#f1efe8;color:#6b6a64}.topbar-right{display:flex;align-items:center;gap:12px}.topbar-user{font-size:13px;color:var(--muted)}.btn-logout{font-size:12px;padding:4px 10px;border:1px solid var(--border);border-radius:6px;background:transparent;color:var(--muted);cursor:pointer;font-family:inherit}.btn-logout:hover{background:var(--bg);color:var(--text)}.tabs{display:flex;align-items:center;gap:4px;margin:16px 0 20px;border-bottom:1px solid var(--border)}.tab{padding:10px 16px;background:none;border:none;cursor:pointer;font-size:14px;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px}.tab:hover{color:var(--text)}.tab.active{color:var(--blue);border-bottom-color:var(--blue);font-weight:500}.onboard-btn{margin-left:auto;padding:7px 14px}.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.stat-val{font-size:26px;font-weight:600}.stat-lbl{font-size:12px;color:var(--muted);margin-top:4px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;margin-bottom:16px}.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.card-head h3{margin:0;font-size:15px;font-weight:600}.search{padding:8px 12px;border:1px solid var(--border);border-radius:8px;font-size:13px;width:280px}.table{width:100%;border-collapse:collapse;font-size:13px}.table th{text-align:left;padding:9px 12px;font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.4px;border-bottom:1px solid var(--border)}.table td{padding:11px 12px;border-bottom:1px solid #f0efe9}.table tr:last-child td{border-bottom:none}.table tr.clickable{cursor:pointer}.table tr.clickable:hover td{background:#fafaf8}.mono{font-family:ui-monospace,SF Mono,monospace;font-size:12px}.muted{color:var(--muted)}.center{text-align:center}.err{color:#a32d2d}.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:20px;font-size:11px;font-weight:500}.badge .dot{width:7px;height:7px;border-radius:50%}.btn{padding:8px 16px;border-radius:8px;font-size:13px;font-weight:500;cursor:pointer;border:1px solid var(--border);background:var(--surface);color:var(--text)}.btn:hover{background:#f5f5f2}.btn:disabled{opacity:.5;cursor:default}.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}.btn.primary:hover{background:var(--blue-dark)}.btn.success{background:#3b6d11;border-color:#3b6d11;color:#fff}.btn.success:hover{background:#27500a}.btn-row{display:flex;gap:8px;justify-content:flex-end;margin-top:14px}.link{background:none;border:none;color:var(--blue);cursor:pointer;font-size:13px;padding:0;text-decoration:underline}.link-back{background:none;border:none;color:var(--blue);cursor:pointer;font-size:13px;padding:0;margin-bottom:12px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:flex;flex-direction:column;gap:6px}.field-label{font-size:12px;color:var(--muted);font-weight:500}.field-hint{font-size:11px;color:var(--muted)}.field input,.field select,.field textarea{padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:inherit}.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px #185fa51f}.code{background:#1e1e1c;color:#e8e6df;padding:14px 16px;border-radius:8px;font-family:ui-monospace,monospace;font-size:12px;overflow-x:auto;white-space:pre;margin:8px 0}.steps{display:flex;align-items:center;margin-bottom:20px}.step{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}.step-num{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;background:#ece9e1;color:var(--muted)}.step.active{color:var(--text);font-weight:500}.step.active .step-num{background:var(--blue);color:#fff}.step.done .step-num{background:var(--blue-light);color:var(--blue)}.step-line{flex:1;height:1px;background:var(--border);margin:0 10px}.detail-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:14px}.detail-head h2{margin:0;font-size:20px}.kv{display:grid;grid-template-columns:160px 1fr;gap:8px 16px;font-size:13px}.kv span:nth-child(odd){color:var(--muted)}.toast{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;border-radius:8px;border:1px solid;font-size:13px;margin:10px 0}.toast code{background:#0000000f;padding:1px 5px;border-radius:4px}.toast-x{background:none;border:none;cursor:pointer;font-size:18px;line-height:1;color:inherit}.sensor-types{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:16px}.sensor-opt{display:flex;flex-direction:column;gap:3px;text-align:left;padding:12px;border:1px solid var(--border);border-radius:8px;background:var(--surface);cursor:pointer}.sensor-opt:hover{border-color:var(--blue)}.sensor-opt.sel{border-color:var(--blue);background:var(--blue-light)}.sensor-opt span{font-size:11px}.gr-status{display:flex;gap:36px;margin-top:12px}.gr-state{font-size:18px;font-weight:600;color:var(--blue-dark)}.filter-tabs{display:flex;gap:4px}.ftab{padding:5px 12px;border:1px solid var(--border);background:var(--surface);border-radius:6px;font-size:12px;cursor:pointer;color:var(--muted)}.ftab.sel{background:var(--blue);color:#fff;border-color:var(--blue)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:50}.modal{background:var(--surface);border-radius:12px;padding:22px;width:460px;max-width:90vw}.modal h3{margin:0 0 14px;font-size:16px}.modal .field{margin-bottom:12px}.spinner{width:26px;height:26px;border:3px solid var(--border);border-top-color:var(--blue);border-radius:50%;animation:spin .8s linear infinite;margin:24px auto}@keyframes spin{to{transform:rotate(360deg)}}.dash-grid{display:grid;grid-template-columns:3fr 2fr;gap:16px;margin-bottom:0}.health-list{display:flex;flex-direction:column;gap:10px}.health-row{display:flex;align-items:center;gap:12px;padding:6px 0;border-bottom:1px solid #f0efe9;cursor:pointer}.health-row:last-child{border-bottom:none}.health-row:hover{background:#fafaf8;margin:0 -4px;padding:6px 4px;border-radius:6px}.health-id{display:flex;flex-direction:column;gap:1px;min-width:72px}.health-bar-wrap{flex:1}.health-bar-bg{height:6px;background:#ece9e1;border-radius:3px;overflow:hidden}.health-bar-fill{height:100%;border-radius:3px;transition:width .6s ease}.op-list{display:flex;flex-direction:column;gap:16px}.op-group{padding-bottom:14px;border-bottom:1px solid var(--border)}.op-group:last-child{border-bottom:none;padding-bottom:0}.op-vehicles{display:flex;flex-direction:column;gap:6px}.op-vehicle{display:flex;align-items:center;gap:8px;padding:4px 8px;border-radius:6px;cursor:pointer}.op-vehicle:hover{background:#f5f5f2}.activity-feed{display:flex;flex-direction:column}.activity-row{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px solid #f0efe9;font-size:13px;flex-wrap:wrap}.activity-row:last-child{border-bottom:none}.activity-time{min-width:70px;font-size:11px;color:var(--muted);font-family:monospace}.chart-legend{display:flex;gap:16px;margin-top:10px;flex-wrap:wrap}.legend-item{font-size:11px;color:var(--muted);display:flex;align-items:center}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.45}}.live-dot{animation:pulse-dot 2s ease-in-out infinite}.health-score{font-size:13px;font-weight:600;min-width:28px;text-align:right}@media (max-width: 720px){.stat-row,.form-grid,.sensor-types,.dash-grid{grid-template-columns:1fr}.app{padding:0 14px 32px}}