:root{--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--bg-canvas:#f8fafc;--bg-surface:#fff;--bg-surface-secondary:#f1f5f9;--bg-surface-hover:#f8fafc;--bg-subtle:#f9fafb;--border-color:#e2e8f0;--border-subtle:#edf2f7;--border-focus:#93c5fd;--text-primary:#111827;--text-secondary:#475569;--text-muted:#64748b;--text-light:#94a3b8;--primary:#2563eb;--primary-hover:#1d4ed8;--primary-light:#eff6ff;--primary-border:#bfdbfe;--status-healthy-text:#047857;--status-healthy-bg:#ecfdf5;--status-healthy-border:#a7f3d0;--status-healthy-dot:#10b981;--status-watch-text:#b45309;--status-watch-bg:#fffbeb;--status-watch-border:#fde68a;--status-watch-dot:#f59e0b;--status-attention-text:#c2410c;--status-attention-bg:#fff7ed;--status-attention-border:#fed7aa;--status-attention-dot:#ea580c;--status-critical-text:#b91c1c;--status-critical-bg:#fef2f2;--status-critical-border:#fecaca;--status-critical-dot:#ef4444;--status-idle-text:#475569;--status-idle-bg:#f1f5f9;--status-idle-border:#e2e8f0;--status-idle-dot:#94a3b8;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000000f, 0 2px 4px -2px #0000000a;--shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px -4px #0000000a}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-family:var(--font-family);background-color:var(--bg-canvas);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:14px;line-height:1.5}.app-shell{background-color:var(--bg-canvas);min-height:100vh;display:flex}.app-sidebar{background-color:var(--bg-surface);border-right:1px solid var(--border-color);z-index:50;flex-direction:column;width:230px;min-width:230px;height:100vh;display:flex;position:sticky;top:0}.sidebar-header{border-bottom:1px solid var(--border-color);padding:1.25rem 1.25rem 1rem}.brand-logo{align-items:center;gap:.6rem;text-decoration:none;display:flex}.brand-icon{background-color:var(--primary);color:#fff;border-radius:var(--radius-sm);justify-content:center;align-items:center;width:28px;height:28px;font-size:.9rem;font-weight:700;display:flex}.brand-text{flex-direction:column;display:flex}.brand-name{color:var(--text-primary);letter-spacing:-.01em;font-size:1.05rem;font-weight:700}.brand-subtitle{color:var(--text-muted);font-size:.72rem;font-weight:500}.sidebar-nav{flex-direction:column;flex:1;gap:.25rem;padding:1rem .75rem;display:flex;overflow-y:auto}.nav-item{border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:.75rem;width:100%;padding:.6rem .75rem;font-size:.875rem;font-weight:500;transition:background-color .15s,color .15s;display:flex}.nav-item:hover{background-color:var(--bg-surface-secondary);color:var(--text-primary)}.nav-item.active{background-color:var(--primary-light);color:var(--primary);font-weight:600}.nav-icon{opacity:.85;flex-shrink:0;width:18px;height:18px}.nav-item.active .nav-icon{opacity:1}.nav-badge{background-color:var(--status-critical-bg);color:var(--status-critical-text);border:1px solid var(--status-critical-border);border-radius:999px;margin-left:auto;padding:.1rem .45rem;font-size:.7rem;font-weight:600}.sidebar-footer{border-top:1px solid var(--border-color);background-color:var(--bg-surface);padding:1rem 1.25rem}.system-status-indicator{color:var(--text-muted);align-items:center;gap:.5rem;font-size:.75rem;font-weight:500;display:flex}.status-dot-sm{border-radius:50%;flex-shrink:0;width:8px;height:8px}.status-dot-sm.online{background-color:var(--status-healthy-dot)}.status-dot-sm.offline{background-color:var(--status-critical-dot)}.app-main{flex-direction:column;flex:1;min-width:0;display:flex}.top-bar{background-color:var(--bg-surface);border-bottom:1px solid var(--border-color);z-index:40;justify-content:space-between;align-items:center;height:56px;padding:0 1.75rem;display:flex;position:sticky;top:0}.top-bar-title-group{align-items:baseline;gap:.75rem;display:flex}.top-bar-title{color:var(--text-primary);font-size:1.15rem;font-weight:700}.top-bar-subtitle{color:var(--text-muted);font-size:.8rem}.top-bar-actions{align-items:center;gap:.75rem;display:flex}.live-pill{color:var(--status-healthy-text);background-color:var(--status-healthy-bg);border:1px solid var(--status-healthy-border);border-radius:var(--radius-sm);align-items:center;gap:.4rem;padding:.25rem .65rem;font-size:.75rem;font-weight:600;display:inline-flex}.pulse-dot{background-color:var(--status-healthy-dot);border-radius:50%;width:6px;height:6px}.content-container{flex-direction:column;gap:1.5rem;width:100%;max-width:1400px;margin:0 auto;padding:1.75rem;display:flex}.card{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);overflow:hidden}.card-header{border-bottom:1px solid var(--border-color);background-color:var(--bg-surface);justify-content:space-between;align-items:center;padding:1rem 1.25rem;display:flex}.card-title{color:var(--text-primary);font-size:.95rem;font-weight:600}.card-subtitle{color:var(--text-muted);margin-top:.15rem;font-size:.8rem}.card-body{padding:1.25rem}.grid-4{grid-template-columns:repeat(4,1fr);gap:1rem;display:grid}.grid-3{grid-template-columns:repeat(3,1fr);gap:1rem;display:grid}.grid-2{grid-template-columns:repeat(2,1fr);gap:1rem;display:grid}.metric-card{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);flex-direction:column;gap:.35rem;padding:1.1rem 1.25rem;display:flex}.metric-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;font-size:.75rem;font-weight:500}.metric-value{color:var(--text-primary);font-size:1.6rem;font-weight:700;line-height:1.2}.metric-detail{color:var(--text-muted);font-size:.75rem}.status-badge{border-radius:var(--radius-sm);align-items:center;gap:.35rem;padding:.15rem .55rem;font-size:.75rem;font-weight:600;line-height:1.3;display:inline-flex}.status-badge.healthy{background-color:var(--status-healthy-bg);color:var(--status-healthy-text);border:1px solid var(--status-healthy-border)}.status-badge.watch{background-color:var(--status-watch-bg);color:var(--status-watch-text);border:1px solid var(--status-watch-border)}.status-badge.attention{background-color:var(--status-attention-bg);color:var(--status-attention-text);border:1px solid var(--status-attention-border)}.status-badge.critical{background-color:var(--status-critical-bg);color:var(--status-critical-text);border:1px solid var(--status-critical-border)}.status-badge.idle{background-color:var(--status-idle-bg);color:var(--status-idle-text);border:1px solid var(--status-idle-border)}.status-dot{border-radius:50%;width:6px;height:6px;display:inline-block}.status-dot.healthy{background-color:var(--status-healthy-dot)}.status-dot.watch{background-color:var(--status-watch-dot)}.status-dot.attention{background-color:var(--status-attention-dot)}.status-dot.critical{background-color:var(--status-critical-dot)}.status-dot.idle{background-color:var(--status-idle-dot)}.table-container{border:1px solid var(--border-color);border-radius:var(--radius-md);background-color:var(--bg-surface);width:100%;box-shadow:var(--shadow-sm);overflow-x:auto}.data-table{border-collapse:collapse;text-align:left;width:100%;font-size:.85rem}.data-table th{background-color:var(--bg-subtle);color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--border-color);white-space:nowrap;padding:.75rem 1rem;font-size:.75rem;font-weight:600}.data-table td{border-bottom:1px solid var(--border-subtle);color:var(--text-primary);vertical-align:middle;padding:.85rem 1rem}.data-table tbody tr:last-child td{border-bottom:none}.data-table tbody tr:hover{background-color:var(--bg-surface-hover)}.machine-cell{flex-direction:column;display:flex}.machine-id-text{color:var(--primary);cursor:pointer;font-weight:600}.machine-id-text:hover{text-decoration:underline}.machine-name-text{color:var(--text-muted);font-size:.75rem}.btn{border-radius:var(--radius-md);cursor:pointer;white-space:nowrap;justify-content:center;align-items:center;gap:.45rem;padding:.45rem .85rem;font-family:inherit;font-size:.8rem;font-weight:500;transition:all .15s;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff;border:1px solid var(--primary)}.btn-primary:hover{background-color:var(--primary-hover);border-color:var(--primary-hover)}.btn-secondary{background-color:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:var(--bg-surface-secondary);border-color:#cbd5e1}.btn-danger{background-color:var(--status-critical-bg);color:var(--status-critical-text);border:1px solid var(--status-critical-border)}.btn-danger:hover{background-color:#fee2e2}.btn-sm{padding:.3rem .6rem;font-size:.75rem}.btn-icon{border-radius:var(--radius-sm);border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;background:0 0;padding:.4rem}.btn-icon:hover{background-color:var(--bg-surface-secondary);color:var(--text-primary)}.filter-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.filter-pills{background-color:var(--bg-surface-secondary);border-radius:var(--radius-md);border:1px solid var(--border-color);align-items:center;gap:.35rem;padding:.2rem;display:flex}.filter-pill{color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;background:0 0;border:none;padding:.3rem .75rem;font-size:.75rem;font-weight:500;transition:all .15s}.filter-pill:hover{color:var(--text-primary)}.filter-pill.active{background-color:var(--bg-surface);color:var(--text-primary);font-weight:600;box-shadow:0 1px 2px #0000000d}.search-input-wrapper{align-items:center;display:flex;position:relative}.search-input{border:1px solid var(--border-color);border-radius:var(--radius-md);background-color:var(--bg-surface);color:var(--text-primary);outline:none;width:240px;padding:.45rem .85rem .45rem 2rem;font-size:.8rem}.search-input:focus{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-light)}.search-icon{width:14px;height:14px;color:var(--text-light);pointer-events:none;position:absolute;left:.65rem}.modal-overlay{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:100;background-color:#0f172a80;justify-content:center;align-items:center;padding:1.5rem;display:flex;position:fixed;inset:0}.modal-container{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);flex-direction:column;width:100%;max-width:960px;max-height:90vh;display:flex;overflow:hidden}.modal-header{border-bottom:1px solid var(--border-color);background-color:var(--bg-surface);justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;display:flex}.modal-header-info{align-items:center;gap:1rem;display:flex}.modal-title{color:var(--text-primary);font-size:1.2rem;font-weight:700}.modal-body{flex-direction:column;gap:1.5rem;padding:1.5rem;display:flex;overflow-y:auto}.section-block{flex-direction:column;gap:.75rem;display:flex}.section-title{color:var(--text-primary);text-transform:uppercase;letter-spacing:.04em;font-size:.85rem;font-weight:700}.telemetry-grid{grid-template-columns:repeat(3,1fr);gap:.75rem;display:grid}.telemetry-tile{background-color:var(--bg-surface-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:.75rem 1rem}.telemetry-tile-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.03em;font-size:.7rem;font-weight:500}.telemetry-tile-value{color:var(--text-primary);margin-top:.2rem;font-size:1.25rem;font-weight:700}.trend-chart-box{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1rem}.chart-header{justify-content:space-between;align-items:center;margin-bottom:.5rem;display:flex}.chart-title{color:var(--text-primary);font-size:.8rem;font-weight:600}.chart-stats{color:var(--text-muted);font-size:.75rem}.engineering-disclaimer{background-color:var(--bg-surface-secondary);border:1px solid var(--border-color);border-left:3px solid var(--primary);border-radius:var(--radius-sm);color:var(--text-secondary);padding:.6rem .85rem;font-size:.75rem;line-height:1.4}.assistant-page{flex-direction:column;gap:1.25rem;height:calc(100vh - 120px);display:flex}.chat-container{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);flex-direction:column;flex:1;display:flex;overflow:hidden}.chat-messages{flex-direction:column;flex:1;gap:1rem;padding:1.25rem;display:flex;overflow-y:auto}.chat-message{flex-direction:column;gap:.35rem;max-width:80%;display:flex}.chat-message.user{align-self:flex-end}.chat-message.assistant{align-self:flex-start}.message-bubble{border-radius:var(--radius-md);white-space:pre-wrap;padding:.85rem 1.1rem;font-size:.875rem;line-height:1.5}.chat-message.user .message-bubble{background-color:var(--primary);color:#fff}.chat-message.assistant .message-bubble{background-color:var(--bg-surface-secondary);border:1px solid var(--border-color);color:var(--text-primary)}.message-meta{color:var(--text-muted);align-items:center;gap:.5rem;font-size:.7rem;display:flex}.evidence-table-container{border:1px solid var(--border-color);border-radius:var(--radius-sm);background-color:var(--bg-surface);margin-top:.5rem;overflow:hidden}.chat-input-area{border-top:1px solid var(--border-color);background-color:var(--bg-surface);gap:.75rem;padding:1rem 1.25rem;display:flex}.chat-input{border:1px solid var(--border-color);border-radius:var(--radius-md);outline:none;flex:1;padding:.65rem 1rem;font-family:inherit;font-size:.875rem}.chat-input:focus{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-light)}.quick-questions-row{gap:.5rem;padding-bottom:.25rem;display:flex;overflow-x:auto}.quick-question-btn{background-color:var(--bg-surface);border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;white-space:nowrap;border-radius:999px;padding:.35rem .85rem;font-size:.75rem;font-weight:500;transition:all .15s}.quick-question-btn:hover{background-color:var(--primary-light);color:var(--primary);border-color:var(--primary-border)}.empty-state{text-align:center;flex-direction:column;align-items:center;gap:.5rem;padding:3rem 1.5rem;display:flex}.empty-state-title{color:var(--text-primary);font-size:.95rem;font-weight:600}.empty-state-text{color:var(--text-muted);max-width:380px;font-size:.8rem}.skeleton{border-radius:var(--radius-sm);background:linear-gradient(90deg,#f1f5f9 25%,#e2e8f0 50%,#f1f5f9 75%) 0 0/200% 100%;animation:1.5s infinite shimmer}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media (width<=1024px){.grid-4,.telemetry-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=768px){.app-sidebar{width:68px;min-width:68px}.brand-text,.nav-label,.sidebar-footer{display:none}.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.content-container{padding:1rem}}