:root{--canvas:#f5f4ef;--surface:#fffefa;--surface-strong:#e9e8df;--ink:#20211e;--muted:#656860;--line:#d8d8ce;--accent:#19734c;--accent-soft:#dff2e7;--warning:#a85e00;--warning-soft:#fff0d6;--danger:#b9483d;--focus:#2469ca;color:var(--ink);background:var(--canvas);font-synthesis:none;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.work-mode{--canvas:#121412;--surface:#1b1d1a;--surface-strong:#292b27;--ink:#f4f5ef;--muted:#b7b9af;--line:#3d4039;--accent:#63d99a;--accent-soft:#173d2a;--warning:#ffbd58;--warning-soft:#442e11;--danger:#ff877a}*{box-sizing:border-box}body{background:var(--canvas);min-width:320px;color:var(--ink);margin:0}button,a{font:inherit}button{color:inherit}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.site-header,footer{align-items:center;gap:20px;max-width:1180px;margin:auto;padding:18px 24px;display:flex}.site-header{border-bottom:1px 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h1{letter-spacing:-.07em;margin:14px 0 22px;line-height:.94}.home-copy h1{max-width:750px;font-size:clamp(3.2rem,7.4vw,6.8rem)}.home-copy>p:not(.eyebrow),.picker-copy>p,.calibration-content>p,.permission-screen>p,.help-screen>p{max-width:570px;color:var(--muted);font-size:1.08rem;line-height:1.6}.hero-actions{align-items:center;gap:12px;margin-top:30px;display:flex}.primary-action,.tool-primary{background:var(--accent);color:#f8fff9;cursor:pointer;border:0;border-radius:14px;justify-content:center;align-items:center;gap:12px;min-height:56px;padding:14px 22px;font-weight:800;display:inline-flex}.secondary-action{justify-content:center;align-items:center;min-height:56px;padding:14px 18px;font-weight:750;display:inline-flex}.trust-row{color:var(--muted);flex-wrap:wrap;gap:10px 17px;margin:30px 0 0;padding:0;font-size:.79rem;list-style:none;display:flex}.home-instrument{border:1px solid var(--line);background:var(--surface);border-radius:30px;flex-direction:column;justify-content:center;align-items:center;min-height:365px;padding:28px;display:flex;position:relative;box-shadow:0 28px 60px #1b201815}.preview-label{color:var(--muted);font-size:.76rem;font-weight:750;position:absolute;top:25px;left:28px}.preview-vial,.level-vial{border:2px solid color-mix(in srgb,var(--ink) 45%,transparent);border-radius:999px;align-items:center;width:min(100%,330px);height:78px;display:flex;position:relative}.preview-vial:before,.preview-vial:after,.level-vial:before,.level-vial:after{content:"";background:var(--line);width:2px;height:22px;position:absolute;top:26px}.preview-vial:before,.level-vial:before{left:21%}.preview-vial:after,.level-vial:after{right:21%}.preview-vial i,.level-vial i{background:var(--accent);width:46px;height:46px;box-shadow:0 0 0 7px var(--accent-soft);border-radius:50%;margin:auto;transition:transform .35s;display:block}.preview-vial b,.level-vial b{background:var(--ink);opacity:.45;width:2px;height:100%;position:absolute;left:50%}.home-instrument strong{font-variant-numeric:tabular-nums;letter-spacing:-.08em;margin-top:28px;font-size:4rem}.home-instrument small{text-transform:uppercase;letter-spacing:.13em;color:var(--accent);font-weight:800}.task-intro{padding-top:32px;padding-bottom:112px}.task-intro h2{letter-spacing:-.065em;margin:10px 0 35px;font-size:clamp(2.5rem,5vw,4.2rem)}.task-list{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.task-list a{border:1px solid var(--line);background:var(--surface);border-radius:16px;justify-content:space-between;padding:22px;font-weight:750;display:flex}.task-list 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i{background:var(--accent)}.held-label{z-index:2;background:var(--surface-strong);text-transform:uppercase;letter-spacing:.1em;border-radius:999px;padding:7px 10px;font-size:.68rem;font-weight:800;position:absolute;top:20px;right:22px}.tool-controls{min-height:78px;padding:8px max(12px,env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));border-top:1px solid var(--line);background:var(--surface);grid-template-columns:repeat(4,1fr);gap:3px;display:grid}.tool-controls button{min-height:54px;color:var(--ink);cursor:pointer;background:0 0;border:0;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:3px;font-size:.68rem;font-weight:750;display:flex}.tool-controls button:hover{background:var(--surface-strong)}.tool-controls button span{color:var(--accent);font-size:1.15rem}.surface-stage .bullseye{z-index:1;aspect-ratio:1;border:2px solid var(--ink);background:repeating-radial-gradient(circle,transparent 0 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env(safe-area-inset-bottom));left:max(12px,env(safe-area-inset-left));right:max(12px,env(safe-area-inset-right));border:1px solid color-mix(in srgb,var(--line) 82%,transparent);background:color-mix(in srgb,var(--surface) 94%,transparent);backdrop-filter:blur(16px);border-radius:21px;grid-template-columns:repeat(4,1fr);gap:3px;width:min(100% - 24px,520px);margin:auto;padding:7px;display:grid;position:fixed;box-shadow:0 12px 30px #0002}.app-dock button,.app-dock a{min-height:52px;color:var(--muted);cursor:pointer;text-align:center;background:0 0;border:0;border-radius:15px;flex-direction:column;justify-content:center;align-items:center;gap:3px;font-size:.68rem;font-weight:800;display:flex}.app-dock button:hover,.app-dock a:hover,.app-dock .is-active{background:var(--surface-strong);color:var(--ink)}.app-dock span{color:var(--accent);font-size:1.1rem;line-height:1}.app-dock small{font-size:.66rem;line-height:1.1}.content-dock{display:grid}body:has(.level-experience) .content-dock,body:has(.picker-screen) .content-dock,body:has(.calibration-screen) .content-dock,body:has(.help-screen) .content-dock,body:has(.permission-screen) .content-dock{display:none}body:not(:has(.level-experience)) footer{z-index:5;padding-bottom:calc(88px + env(safe-area-inset-bottom));background:var(--canvas);position:relative}.tool-dock{bottom:calc(10px + env(safe-area-inset-bottom));border-color:color-mix(in srgb,var(--accent) 22%,var(--line))}.tool-dock button{color:var(--muted)}.tool-controls{z-index:4;bottom:calc(10px + env(safe-area-inset-bottom));border:1px solid color-mix(in srgb,var(--line) 82%,transparent);background:color-mix(in srgb,var(--surface) 94%,transparent);backdrop-filter:blur(16px);border-radius:21px;grid-template-columns:repeat(4,1fr);gap:3px;width:min(100% - 24px,520px);min-height:0;padding:7px;position:fixed;left:50%;transform:translate(-50%);box-shadow:0 12px 30px #0002}.tool-controls button{min-height:52px;color:var(--muted);border-radius:15px;gap:3px}.tool-controls button:hover,.tool-controls button:focus-visible{background:var(--surface-strong);color:var(--ink)}.tool-controls button span{font-size:1.1rem}.instrument-stage{padding-bottom:110px}@media (width>=700px){.app-dock{width:520px}.content-dock{left:auto;right:24px}.tool-dock{left:50%;right:50%;transform:translate(-50%)}}body:has(.level-experience) .site-header,body:has(.level-experience) footer,body:has(.permission-screen) .site-header,body:has(.permission-screen) footer,body:has(.picker-screen) .site-header,body:has(.picker-screen) footer,body:has(.calibration-screen) .site-header,body:has(.calibration-screen) footer,body:has(.help-screen) .site-header,body:has(.help-screen) footer{display:none}.angle-arc:before{content:none}.angle-arc i{background:var(--accent);transform-origin:bottom;width:3px;height:96%;position:absolute;bottom:0;left:50%}@media (height<=700px) and (orientation:portrait){.instrument-stage{min-height:0;padding-block:18px}.measurement{margin:22px 0 10px}.measurement strong{font-size:clamp(4rem,16vw,5.5rem)}.stability-chip{margin-top:18px}}@media (orientation:landscape) and (height<=600px){.surface-stage .bullseye{width:min(21vw,115px)}.surface-stage .measurement{margin:8px 0 3px}.surface-stage .direction-block,.surface-stage .stability-chip{display:none}}.level-experience.theme-dark{--canvas:#121412;--surface:#1b1d1a;--surface-strong:#292b27;--ink:#f4f5ef;--muted:#b7b9af;--line:#3d4039;--accent:#63d99a;--accent-soft:#173d2a;--warning:#ffbd58;--warning-soft:#442e11;--danger:#ff877a}.tool-topbar{height:auto;min-height:68px;padding-top:calc(8px + env(safe-area-inset-top))}.topbar-actions{justify-content:flex-end;align-items:center;gap:2px;display:flex}.help-screen .inline-link{margin-top:18px}.home-seo{max-width:760px;margin:0 auto;padding:72px 24px 112px}.home-seo h1{letter-spacing:-.07em;max-width:680px;margin:12px 0 14px;font-size:clamp(2.2rem,6vw,4.5rem);line-height:.95}.home-seo>p:not(.eyebrow){max-width:600px;color:var(--muted);line-height:1.6}.home-seo-links{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:28px;display:grid}.home-seo-links a{border:1px solid var(--line);background:var(--surface);border-radius:16px;justify-content:space-between;padding:18px;font-weight:750;display:flex}.home-seo-links span{color:var(--accent)}body:has(.level-experience) .site-header,body:has(.level-experience)>footer{display:none}body:has(.level-experience) .level-experience{min-height:100svh}@media (width<=560px){.home-seo{padding:56px 18px 84px}.home-seo-links{grid-template-columns:1fr}}.sheet-actions{grid-template-columns:repeat(3,1fr)}.toggle-row.is-disabled{color:var(--muted);cursor:not-allowed}.toggle-row input:disabled+span{opacity:.55}.phone-handoff{border:1px solid var(--line);background:var(--surface);border-radius:18px;width:min(100%,390px);margin-top:24px;padding:18px}.phone-handoff strong,.phone-handoff small{display:block}.phone-handoff p{line-height:1.45;margin:7px 0 15px!important;font-size:.9rem!important}.phone-handoff .tool-primary{width:100%;margin:0}.phone-handoff small{color:var(--muted);margin-top:11px;font-size:.75rem}.recovery-note{margin:14px 0 0!important;font-size:.85rem!important}.copy-notice{font-weight:800;color:var(--accent)!important;margin:16px 0 0!important;font-size:.82rem!important}.tool-notice{z-index:10;bottom:calc(92px + env(safe-area-inset-bottom));background:var(--surface);border:1px solid var(--line);white-space:nowrap;border-radius:999px;padding:10px 14px;position:fixed;left:50%;transform:translate(-50%);box-shadow:0 8px 24px #0002}.task-strip{border-bottom:1px solid var(--line);background:var(--surface);color:var(--muted);justify-content:space-between;align-items:center;gap:14px;padding:13px 18px;font-size:.76rem;font-weight:750;display:flex}.task-strip button{border:1px solid var(--line);background:var(--canvas);color:var(--ink);font:inherit;cursor:pointer;border-radius:999px;align-items:center;gap:8px;padding:8px 11px;display:flex}.task-strip button span{color:var(--accent);font-size:1rem}.sensor-panel{z-index:2;border:1px solid var(--line);background:color-mix(in srgb,var(--surface) 92%,transparent);text-align:center;border-radius:16px;flex-direction:column;align-items:center;gap:8px;width:min(100%,390px);margin-top:22px;padding:15px 16px;display:flex;position:relative;box-shadow:0 8px 24px #0001}.sensor-panel strong{font-size:.94rem}.sensor-panel span,.sensor-panel small{color:var(--muted);font-size:.8rem;line-height:1.4}.sensor-panel .tool-primary{min-height:44px;margin-top:4px;padding:10px 18px;font-size:.8rem}.sensor-panel .inline-link{padding:4px;font-size:.8rem}.sensor-panel-starting{width:auto;box-shadow:none;border-radius:999px;margin-top:18px;padding:8px 13px}.sensor-panel-starting span{color:var(--muted);font-size:.76rem}.sensor-panel-recovery{border-color:color-mix(in srgb,var(--warning) 42%,var(--line))}@media (orientation:landscape) and (height<=600px){.tool-topbar{min-height:56px;padding-top:max(3px, env(safe-area-inset-top))}.sheet-actions{grid-template-columns:repeat(3,1fr)}}.skip-link{z-index:20;background:var(--surface);color:var(--ink);border-radius:8px;padding:10px 14px;position:absolute;top:8px;left:16px;transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.toggle-row input:focus-visible+span{outline:3px solid var(--focus);outline-offset:4px}.task-card:disabled{cursor:not-allowed}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}