:root{color-scheme:light;--atlas-font-sans: "IBM Plex Sans", "Noto Sans CJK SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--atlas-font-size-caption: .75rem;--atlas-font-size-body: .875rem;--atlas-font-size-title: 1rem;--atlas-font-size-section: 1.125rem;--atlas-font-size-page: 1.375rem;--atlas-font-weight-regular: 400;--atlas-font-weight-medium: 500;--atlas-font-weight-semibold: 600;--atlas-font-weight-bold: 700;--atlas-line-height-tight: 1.2;--atlas-line-height-ui: 1.35;--atlas-line-height-body: 1.5;--atlas-letter-spacing-label: .08em;--atlas-space-1: .25rem;--atlas-space-2: .5rem;--atlas-space-3: .75rem;--atlas-space-4: 1rem;--atlas-space-5: 1.25rem;--atlas-radius-xs: .375rem;--atlas-radius-sm: .625rem;--atlas-radius-md: .875rem;--atlas-radius-lg: 1.125rem;--atlas-radius-pill: 999px;--atlas-shadow-none: none;--atlas-shadow-floating: 0 12px 32px rgb(15 23 42 / 12%), 0 2px 8px rgb(15 23 42 / 8%);--atlas-color-canvas: #f4f6f8;--atlas-color-panel: #ffffff;--atlas-color-inset: #f7f8fa;--atlas-color-floating: #ffffff;--atlas-color-text: #111827;--atlas-color-text-secondary: #475569;--atlas-color-text-muted: #64748b;--atlas-color-border: rgb(15 23 42 / 10%);--atlas-color-border-strong: rgb(15 23 42 / 18%);--atlas-color-accent: #111827;--atlas-color-accent-contrast: #ffffff;--atlas-color-focus: #0f766e;--atlas-color-success: #15803d;--atlas-color-warning: #b45309;--atlas-color-danger: #b91c1c;--atlas-color-selection: rgb(15 118 110 / 12%);--atlas-control-height-sm: 2rem;--atlas-control-height-md: 2.5rem;--atlas-control-height-touch: 2.75rem;--atlas-focus-width: 2px;--atlas-focus-offset: 2px;--atlas-chart-font-size-tick: .75rem;--atlas-chart-font-size-legend: .75rem;--atlas-chart-font-size-label: .875rem;--atlas-chart-font-weight: 500;--atlas-chart-background: #ffffff;--atlas-duration-fast: .12s}html[data-theme=dark]{color-scheme:dark;--atlas-color-canvas: #080a0e;--atlas-color-panel: #111318;--atlas-color-inset: 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reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:1ms!important;animation-iteration-count:1!important;transition-duration:1ms!important}}:root{font-family:var(--atlas-font-sans);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--bg: var(--atlas-color-canvas);--bg-elevated: var(--atlas-color-panel);--bg-card: rgba(255, 255, 255, .95);--bg-soft: var(--atlas-color-inset);--bg-strong: #e6eaef;--text: var(--atlas-color-text);--text-soft: var(--atlas-color-text-secondary);--text-muted: var(--atlas-color-text-muted);--border: var(--atlas-color-border);--border-strong: var(--atlas-color-border-strong);--shadow: var(--atlas-shadow-floating);--accent: var(--atlas-color-accent);--accent-contrast: var(--atlas-color-accent-contrast);--surface: var(--atlas-color-panel);--surface-strong: var(--atlas-color-inset);--ok: var(--atlas-color-success);--warn: var(--atlas-color-warning);--danger: var(--atlas-color-danger);--surface-tint: rgba(255, 255, 255, .72);--pill-bg: rgba(15, 23, 42, .05);--plot-bg: var(--atlas-chart-background);--workspace-density: 1;--sidebar-rail-width: 25%;--sticky-sidebar-top: 5.6rem;--sticky-sidebar-bottom-gap: 1rem;--base-font-size: 16px;--base-font-size-compact: 16px;--font-2xs: var(--atlas-font-size-caption);--font-xs: var(--atlas-font-size-caption);--font-sm: var(--atlas-font-size-caption);--font-md: var(--atlas-font-size-body);--font-lg: var(--atlas-font-size-title);--font-xl: var(--atlas-font-size-section);--font-2xl: var(--atlas-font-size-page);--font-body: var(--font-md);--font-control: var(--font-md);--font-label: var(--font-xs);--font-caption: var(--font-sm);--font-section-title: var(--font-xl);--font-card-title: var(--font-lg);--mobile-font-micro: var(--atlas-font-size-caption);--mobile-font-label: var(--atlas-font-size-caption);--mobile-font-caption: var(--atlas-font-size-caption);--mobile-font-control: var(--atlas-font-size-body);--mobile-font-body: var(--atlas-font-size-body);--mobile-font-title: var(--atlas-font-size-title);--mobile-font-section: var(--atlas-font-size-section);--tracking-label: .08em;--tracking-wide: .12em;--control-height: 2.45rem;--control-radius: 14px;color-scheme:light}html[data-theme=dark]{--bg: #07090c;--bg-elevated: #111318;--bg-card: rgba(17, 19, 24, .9);--bg-soft: #171a21;--bg-strong: #20242d;--text: #f5f7fb;--text-soft: #cbd5e1;--text-muted: #94a3b8;--border: rgba(255, 255, 255, .08);--border-strong: rgba(255, 255, 255, .16);--shadow: 0 28px 60px rgba(0, 0, 0, .28);--accent: #f5f5f5;--accent-contrast: #111111;--surface: #111318;--surface-strong: #171a21;--ok: #4ade80;--warn: #fbbf24;--danger: #f87171;--surface-tint: rgba(17, 19, 24, .86);--pill-bg: rgba(255, 255, 255, .05);--plot-bg: rgba(255, 255, 255, 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.92rem}.theme-icon-btn{display:inline-grid;place-items:center;width:2.55rem;min-width:2.55rem;height:2.55rem;padding:0!important;border-radius:999px}.theme-icon{display:block;width:1.18rem;height:1.18rem;overflow:visible;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease}.theme-icon-star{fill:currentColor;stroke:none}.theme-icon-btn:hover .theme-icon,.theme-icon-btn:focus-visible .theme-icon{transform:rotate(8deg) scale(1.06)}.theme-choice-toggle{gap:.28rem;padding:.28rem}.theme-choice-btn{display:inline-grid;place-items:center;width:2.65rem;height:2.65rem;padding:0}.theme-choice-btn.is-active{box-shadow:0 7px 18px #0f172a1a,inset 0 0 0 1px color-mix(in srgb,var(--text) 12%,transparent)}.is-mobile-user-pill{min-width:0}.mobile-tabbar{position:fixed;left:.75rem;right:.75rem;bottom:calc(.75rem + 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strong{overflow:hidden;color:var(--text);font-size:var(--mobile-font-title);line-height:1.15;text-overflow:ellipsis;white-space:nowrap}.mobile-measurement-chip em{overflow:hidden;font-weight:500;letter-spacing:0;text-overflow:ellipsis;text-transform:none;white-space:nowrap}.mobile-measurement-switcher{display:grid;gap:.75rem}.mobile-measurement-search{display:grid;gap:.35rem}.mobile-measurement-search span{color:var(--text-muted);font-size:var(--mobile-font-label);font-weight:700;letter-spacing:.08em;text-transform:uppercase}.mobile-measurement-search input{min-height:42px;padding:.62rem .78rem;border-radius:16px;font-size:var(--mobile-font-control)}.mobile-measurement-list{display:grid;gap:.5rem}.mobile-measurement-option{display:grid;gap:.42rem;width:100%;padding:.76rem .8rem;border-radius:16px;border:1px solid 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minmax(0,1fr);gap:.75rem;height:min(85vh,920px);max-height:min(85vh,920px);padding:1rem .9rem;border-radius:24px 24px 0 0;background:var(--surface);border-top:1px solid var(--border);box-shadow:0 -18px 36px #0f172a29;overflow:hidden}.mobile-sheet-header{display:flex;align-items:flex-start;justify-content:space-between;gap:.75rem}.mobile-sheet-copy{display:grid;gap:.18rem}.mobile-sheet-copy span{color:var(--text-muted);font-size:var(--mobile-font-title)}.mobile-sheet-body{min-height:0;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding-bottom:.55rem}@supports (height: 100dvh){.mobile-sheet{height:min(88dvh,920px);max-height:calc(100dvh - .5rem)}}.measurement-sidebar{position:sticky;top:var(--sticky-sidebar-top);height:calc(100vh - var(--sticky-sidebar-top) - var(--sticky-sidebar-bottom-gap));max-height:calc(100vh - var(--sticky-sidebar-top) - var(--sticky-sidebar-bottom-gap));overflow:visible;overscroll-behavior-x:contain;overscroll-behavior-y:auto;scrollbar-gutter:stable both-edges;align-self:start}@supports (height: 100dvh){.measurement-sidebar{height:calc(100dvh - var(--sticky-sidebar-top) - var(--sticky-sidebar-bottom-gap));max-height:calc(100dvh - var(--sticky-sidebar-top) - var(--sticky-sidebar-bottom-gap))}}.measurement-sidebar>.card,.measurement-main>.card{min-width:0}.measurement-main>.card{overflow:hidden}.measurement-sidebar>.card:not(.project-sidebar-card){height:100%;min-height:calc(100vh - 7rem);display:grid;grid-template-rows:auto minmax(0,1fr);padding:.85rem .72rem}.project-sidebar-card{display:grid;grid-template-rows:auto auto;min-height:auto;height:auto;padding:.95rem .85rem;overflow:visible}.measurement-sidebar>.project-sidebar-card,.results-sidebar>.project-sidebar-card{height:100%;min-height:0;display:flex;flex-direction:column;gap:.62rem;padding:.78rem;border-radius:24px;background:linear-gradient(180deg,color-mix(in srgb,var(--bg-elevated) 94%,transparent),color-mix(in srgb,var(--bg-elevated) 82%,var(--bg-soft))),var(--bg-elevated);overflow:hidden}.sidebar-resize-handle{position:absolute;top:.5rem;right:-.65rem;width:.7rem;height:calc(100% - 1rem);border:0;border-radius:999px;background:transparent;cursor:col-resize;z-index:8}.sidebar-resize-handle:after{content:"";position:absolute;top:50%;left:50%;width:3px;height:3.5rem;border-radius:999px;transform:translate(-50%,-50%);background:color-mix(in srgb,var(--text-muted) 38%,transparent);transition:width .16s ease,background .16s ease}.sidebar-resize-handle:hover:after,body.is-resizing-sidebar .sidebar-resize-handle:after{width:5px;background:color-mix(in srgb,var(--accent) 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