*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #1a73e8;--color-success: #34a853;--color-warning: #fbbc05;--color-danger: #ea4335;--color-neutral-50: #fafafa;--color-neutral-100: #f5f5f5;--color-neutral-200: #eeeeee;--color-neutral-500: #9e9e9e;--color-neutral-800: #424242;--color-neutral-900: #212121;--color-chart-blue: #4285f4;--color-chart-green: #34a853;--color-chart-yellow: #fbbc05;--color-chart-red: #ea4335;--color-chart-purple: #a142f4;--color-chart-teal: #24c1e0;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 16px;--font-xs: 12px;--font-sm: 14px;--font-md: 16px;--font-lg: 20px;--font-xl: 24px;--sidebar-width: 240px;--header-height: 56px}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;font-size:var(--font-md);color:var(--color-neutral-900);background-color:var(--color-neutral-100);line-height:1.5}#root{min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;color:var(--color-neutral-900)}h1{font-size:var(--font-xl)}h2{font-size:var(--font-lg)}h3{font-size:var(--font-md)}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.app-shell{display:flex;min-height:100vh}.main-content{flex:1;display:flex;flex-direction:column;min-width:0;margin-left:var(--sidebar-width)}.content-area{flex:1;padding:var(--spacing-lg);overflow-y:auto}.sidebar{width:var(--sidebar-width);height:100vh;position:fixed;top:0;left:0;background-color:var(--color-neutral-900);color:#fff;display:flex;flex-direction:column;z-index:100}.sidebar-header{padding:var(--spacing-md) var(--spacing-lg);border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-header h1{font-size:var(--font-md);color:#fff;font-weight:600}.sidebar-header span{font-size:var(--font-xs);color:var(--color-neutral-500)}.sidebar-nav{flex:1;padding:var(--spacing-sm) 0;list-style:none}.sidebar-nav li{list-style:none}.sidebar-nav a{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-lg);color:var(--color-neutral-500);font-size:var(--font-sm);text-decoration:none;transition:color .15s,background-color .15s;border-left:3px solid transparent}.sidebar-nav a:hover{color:#fff;background-color:#ffffff0d;text-decoration:none}.sidebar-nav a.active{color:#fff;background-color:#ffffff1a;border-left-color:var(--color-primary)}.sidebar-nav .nav-icon{width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;font-size:var(--font-md)}.header{height:var(--header-height);display:flex;align-items:center;justify-content:space-between;padding:0 var(--spacing-lg);background-color:#fff;border-bottom:1px solid var(--color-neutral-200)}.header-title{font-size:var(--font-lg);font-weight:600}.header-actions{display:flex;align-items:center;gap:var(--spacing-md)}.sync-status{display:flex;align-items:center;gap:var(--spacing-xs);font-size:var(--font-xs);color:var(--color-neutral-500)}.sync-status-dot{width:8px;height:8px;border-radius:50%;background-color:var(--color-success)}.user-info{display:flex;align-items:center;gap:var(--spacing-sm);font-size:var(--font-sm);color:var(--color-neutral-800)}.page{max-width:1400px}.page-header{margin-bottom:var(--spacing-lg)}.page-header h2{margin-bottom:var(--spacing-xs)}.page-header p{color:var(--color-neutral-500);font-size:var(--font-sm)}.page-content{display:flex;flex-direction:column;gap:var(--spacing-lg)}.filter-bar{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);padding:var(--spacing-md);background-color:#fff;border-radius:var(--radius-md);border:1px solid var(--color-neutral-200)}.filter-group{display:flex;flex-direction:column;gap:var(--spacing-xs)}.filter-label{font-size:var(--font-xs);font-weight:500;color:var(--color-neutral-500);text-transform:uppercase;letter-spacing:.5px}.card{background-color:#fff;border-radius:var(--radius-md);border:1px solid var(--color-neutral-200);padding:var(--spacing-lg)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-md)}.card-title{font-size:var(--font-md);font-weight:600}.btn{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-sm);font-weight:500;border:1px solid var(--color-neutral-200);border-radius:var(--radius-sm);background-color:#fff;color:var(--color-neutral-800);cursor:pointer;transition:background-color .15s,border-color .15s}.btn:hover{background-color:var(--color-neutral-100);border-color:var(--color-neutral-500)}.btn-primary{background-color:var(--color-primary);border-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:#1557b0;border-color:#1557b0}.loading-spinner{display:flex;align-items:center;justify-content:center;padding:var(--spacing-xl);color:var(--color-neutral-500)}.error-message{padding:var(--spacing-md);background-color:#fce8e6;border:1px solid var(--color-danger);border-radius:var(--radius-sm);color:var(--color-danger);font-size:var(--font-sm)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-xl) var(--spacing-lg);color:var(--color-neutral-500);text-align:center}.empty-state p{margin-top:var(--spacing-sm);font-size:var(--font-sm)}.login-page{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;background-color:var(--color-neutral-100)}.login-card{width:100%;max-width:400px;text-align:center}.login-card h1{margin-bottom:var(--spacing-sm)}.login-card p{color:var(--color-neutral-500);margin-bottom:var(--spacing-lg)}@media (max-width: 768px){:root{--sidebar-width: 64px}.sidebar-header h1,.sidebar-header span,.sidebar-nav a span{display:none}.sidebar-nav a{justify-content:center;padding:var(--spacing-md)}.content-area{padding:var(--spacing-md)}}@media (max-width: 480px){:root{--sidebar-width: 0px}.sidebar{display:none}.main-content{margin-left:0}}.chart-container{position:relative;width:100%;min-height:300px;background-color:#fff;border-radius:var(--radius-md);border:1px solid var(--color-neutral-200);overflow:hidden}.chart-container-inner{width:100%;height:100%}.chart-container svg{display:block}.chart-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) var(--spacing-lg);border-bottom:1px solid var(--color-neutral-200)}.chart-title{font-size:var(--font-md);font-weight:600;color:var(--color-neutral-900)}.chart-actions{display:flex;align-items:center;gap:var(--spacing-sm)}.chart-loading{display:flex;align-items:center;justify-content:center;min-height:300px;color:var(--color-neutral-500);font-size:var(--font-sm)}.chart-loading-spinner{width:24px;height:24px;border:3px solid var(--color-neutral-200);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite;margin-right:var(--spacing-sm)}@keyframes spin{to{transform:rotate(360deg)}}.chart-error{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:300px;padding:var(--spacing-lg);color:var(--color-danger);text-align:center}.chart-error p{font-size:var(--font-sm);margin-top:var(--spacing-sm)}.chart-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:300px;padding:var(--spacing-lg);color:var(--color-neutral-500);text-align:center}.chart-empty p{font-size:var(--font-sm);margin-top:var(--spacing-sm)}.chart-tooltip{position:absolute;pointer-events:none;z-index:1000;background-color:var(--color-neutral-900);color:#fff;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-sm);font-size:var(--font-xs);line-height:1.4;box-shadow:0 2px 8px #0003;white-space:nowrap;max-width:300px}.chart-tooltip-header{font-weight:600;margin-bottom:var(--spacing-xs)}.chart-tooltip-row{display:flex;justify-content:space-between;gap:var(--spacing-md)}.chart-tooltip-label{color:var(--color-neutral-500)}.chart-tooltip-value{font-weight:500}.chart-container .tick line{stroke:var(--color-neutral-200)}.chart-container .tick text{fill:var(--color-neutral-500);font-size:11px}.chart-container .domain{stroke:var(--color-neutral-200)}.control-limit-line{stroke-dasharray:6,4;stroke-width:1}.mean-line{stroke-dasharray:4,4;stroke-width:1.5}.trend-line{fill:none;stroke-width:2}.data-point{cursor:pointer;transition:r .15s,opacity .15s}.data-point:hover{r:7;opacity:1}.histogram-bar{transition:opacity .15s}.histogram-bar:hover{opacity:.8}.heatmap-cell{transition:opacity .15s}.heatmap-cell:hover{opacity:.8;stroke:var(--color-neutral-800);stroke-width:2}.chart-legend{display:flex;flex-wrap:wrap;gap:var(--spacing-md);padding:var(--spacing-sm) var(--spacing-lg);border-top:1px solid var(--color-neutral-200)}.chart-legend-item{display:flex;align-items:center;gap:var(--spacing-xs);font-size:var(--font-xs);color:var(--color-neutral-800);cursor:pointer}.chart-legend-swatch{width:12px;height:12px;border-radius:2px}.chart-brush .selection{fill:var(--color-primary);fill-opacity:.1;stroke:var(--color-primary);stroke-width:1}