@font-face{font-family:Public Sans Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/hillsdale-study/assets/public-sans-vietnamese-wght-normal-CtlIRbEm.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Public Sans Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/hillsdale-study/assets/public-sans-latin-ext-wght-normal-MQgHevqp.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Public Sans Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/hillsdale-study/assets/public-sans-latin-wght-normal-DdeTHZLK.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Barlow Condensed;font-style:normal;font-display:swap;font-weight:600;src:url(/hillsdale-study/assets/barlow-condensed-latin-600-normal-DepVgxBB.woff2) format("woff2"),url(/hillsdale-study/assets/barlow-condensed-latin-600-normal-BFJEwTuo.woff) format("woff")}@font-face{font-family:Barlow Condensed;font-style:normal;font-display:swap;font-weight:700;src:url(/hillsdale-study/assets/barlow-condensed-latin-700-normal-v1xN8_Wq.woff2) format("woff2"),url(/hillsdale-study/assets/barlow-condensed-latin-700-normal-Dmwat-ge.woff) format("woff")}:root{--bg: #eceef0;--surface: #ffffff;--sunken: #e2e5e8;--ink: #14181d;--slate: #5c6670;--rule: #cdd2d7;--primary: #0b4852;--primary-ink: #ffffff;--primary-soft: #dcebed;--amber: #b7791f;--amber-soft: #fbefd9;--danger: #b42318;--danger-soft: #fde7e4;--ok: #1f7a4d;--ok-soft: #e2f3ea;--stage-pass: #cfdcdf;--stage-look: #86aeb5;--stage-stop: #2e7984;--stage-inspect: #0b4852;--stage-pass-ink: #14181d;--stage-look-ink: #0d2226;--stage-stop-ink: #ffffff;--stage-inspect-ink: #ffffff;--font-ui: "Public Sans Variable", "Public Sans", -apple-system, system-ui, sans-serif;--font-figures: "Barlow Condensed", "Public Sans Variable", system-ui, sans-serif;--t-sm: .8125rem;--t-base: 1.0625rem;--t-md: 1.25rem;--t-lg: 1.6rem;--t-xl: 2.125rem;--r-control: 10px;--r-surface: 14px;--r-pad: 16px;--tap-min: 48px;color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #111518;--surface: #1a2024;--sunken: #232a2f;--ink: #eef1f3;--slate: #9aa5ae;--rule: #323b42;--primary: #6fb6c0;--primary-ink: #06262b;--primary-soft: #1d3438;--amber: #e3a646;--amber-soft: #3a2c12;--danger: #ff8a7d;--danger-soft: #3d1c18;--ok: #58c18a;--ok-soft: #13301f;--stage-pass: #3a4a4e;--stage-look: #4f7f87;--stage-stop: #6fb0ba;--stage-inspect: #b3e0e6;--stage-pass-ink: #eef1f3;--stage-look-ink: #ffffff;--stage-stop-ink: #06262b;--stage-inspect-ink: #06262b;color-scheme:dark}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-ui);font-size:var(--t-base);line-height:1.45;font-feature-settings:"tnum" 1;-webkit-tap-highlight-color:transparent;overscroll-behavior-y:none}button,input,select,textarea{font:inherit;color:inherit}button{touch-action:manipulation;cursor:pointer}:focus-visible{outline:3px solid var(--primary);outline-offset:2px}h1{font-size:var(--t-lg);font-weight:750;letter-spacing:-.015em;line-height:1.15;margin:4px 0 8px}h2{font-size:var(--t-md);font-weight:700;letter-spacing:-.01em;margin:0 0 8px}.subhead{font-size:var(--t-base);font-weight:650;margin:20px 0 8px;color:var(--ink)}p{margin:6px 0 10px;max-width:68ch}code{font-size:.9em}.muted{color:var(--slate)}.small{font-size:var(--t-sm)}.hint{color:var(--slate);font-size:.9375rem;margin:2px 0 10px}.req{color:var(--slate);font-weight:450;font-size:var(--t-sm)}.app{min-height:100dvh;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:calc(env(safe-area-inset-top) + 8px) calc(env(safe-area-inset-right) + 16px) 8px calc(env(safe-area-inset-left) + 16px);background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--rule)}.topbar-status{display:flex;align-items:center;gap:8px;min-width:0}.topbar-name{font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.status{font-size:var(--t-sm);font-weight:600;padding:3px 9px;border-radius:999px;white-space:nowrap}.status.live{background:var(--ok-soft);color:var(--ok)}.status.sampling{background:var(--primary-soft);color:var(--primary)}.status.idle{color:var(--slate);padding-left:0}.interrupt-btn{flex:none;min-height:44px;padding:0 14px;border-radius:999px;border:1.5px solid var(--amber);background:var(--amber-soft);color:var(--ink);font-weight:650}.interrupt-btn:active{transform:scale(.97)}.screen{flex:1;width:100%;max-width:620px;margin:0 auto;padding:16px calc(env(safe-area-inset-right) + 16px) calc(env(safe-area-inset-bottom) + 104px) calc(env(safe-area-inset-left) + 16px)}.card{background:var(--surface);border:1px solid var(--rule);border-radius:var(--r-surface);padding:16px;margin-bottom:14px}.card:has(>h1){background:none;border:0;padding:0 0 8px}.card.tight{padding:10px 12px}.card.warn{background:var(--amber-soft);border-color:var(--amber)}.card.ok{background:var(--ok-soft);border-color:var(--ok)}.tabbar{position:fixed;bottom:0;left:0;right:0;z-index:20;display:grid;grid-template-columns:repeat(5,1fr);background:var(--surface);border-top:1px solid var(--rule);padding:6px calc(env(safe-area-inset-right) + 4px) calc(env(safe-area-inset-bottom) + 6px) calc(env(safe-area-inset-left) + 4px)}.tabbar button{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:52px;border:0;background:none;color:var(--slate);font-size:.6875rem;font-weight:600;border-radius:var(--r-control)}.tabbar button.on{color:var(--primary)}.tabbar button.on .tab-icon{background:var(--primary-soft)}.tab-icon{display:grid;place-items:center;width:52px;height:28px;border-radius:999px}.badge{position:absolute;top:4px;right:calc(50% - 22px);width:9px;height:9px;border-radius:50%;background:var(--amber);border:2px solid var(--surface)}.primary,.secondary,.ghost,.danger-outline{min-height:var(--tap-min);border-radius:var(--r-control);padding:10px 16px;font-weight:650;border:1.5px solid transparent}.primary{background:var(--primary);color:var(--primary-ink)}.secondary{background:var(--surface);color:var(--ink);border-color:var(--rule)}.ghost{background:none;color:var(--primary);padding-inline:8px}.ghost.danger,.danger{color:var(--danger)}.danger-outline{background:none;border-color:var(--danger);color:var(--danger)}.link{background:none;border:0;padding:0 2px;color:var(--primary);text-decoration:underline;text-underline-offset:2px;font-weight:600}.ghost svg{display:block}.big{width:100%;min-height:56px;margin-top:10px;font-size:var(--t-base)}.huge{width:100%;min-height:64px;margin-top:14px;font-size:1.125rem}button:disabled{opacity:.45;cursor:not-allowed}.primary:active,.secondary:active,.danger-outline:active{transform:scale(.985);filter:brightness(.94)}.card>.secondary,.details>.secondary{width:100%;margin-top:8px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:8px}.row>.big,.row>.primary,.row>.secondary{flex:1 1 140px}.row input{flex:1 1 160px}.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}.form{display:flex;flex-direction:column;gap:4px}fieldset.choice{border:0;padding:0;margin:0 0 16px;min-width:0}fieldset.choice legend{font-weight:650;padding:0;margin-bottom:6px}fieldset.choice.invalid legend{color:var(--danger)}fieldset.choice.invalid .seg button{border-color:var(--danger)}.seg{display:flex;gap:6px}.seg.wrap{flex-wrap:wrap}.seg button{flex:1 1 0;min-height:var(--tap-min);padding:8px 10px;border-radius:var(--r-control);border:1.5px solid var(--rule);background:var(--surface);font-weight:500;line-height:1.2}.seg.wrap button{flex:1 1 auto}.seg button.on{border-color:var(--primary);background:var(--primary);color:var(--primary-ink);font-weight:650}.field{display:flex;flex-direction:column;gap:6px;margin:0 0 14px}.field>span{font-weight:650}input:not([type]),input[type=text],input[type=file],select,textarea{width:100%;min-height:var(--tap-min);padding:10px 12px;border-radius:var(--r-control);border:1.5px solid var(--rule);background:var(--surface);font-size:16px}input::placeholder,textarea::placeholder{color:var(--slate);opacity:.8}textarea{resize:vertical}.check{display:flex;align-items:center;gap:10px;min-height:var(--tap-min);font-weight:500}.check input{width:24px;height:24px;accent-color:var(--primary);flex:none}.stepper{margin:0 0 16px}.stepper-label{display:block;font-weight:650;margin-bottom:6px}.stepper-row{display:flex;align-items:center;gap:12px}.stepper-row>button:not(.link){width:52px;height:52px;border-radius:var(--r-control);border:1.5px solid var(--rule);background:var(--surface);font-size:1.5rem;font-weight:500;color:var(--primary)}.stepper-row output{min-width:3ch;text-align:center;font-family:var(--font-figures);font-size:1.75rem;font-weight:700}.warnbox{background:var(--amber-soft);border-left:4px solid var(--amber);border-radius:6px;padding:10px 12px;margin:0 0 14px}.details{margin:10px 0 14px;border-top:1px solid var(--rule);padding-top:4px}.details>summary{min-height:var(--tap-min);display:flex;align-items:center;font-weight:650;color:var(--primary);cursor:pointer;list-style-position:inside}.experiment{border:1px dashed var(--rule);border-radius:var(--r-control);padding:12px}.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));border-top:1px solid var(--rule)}.stat{padding:10px 2px 10px 0;border-bottom:1px solid var(--rule);display:flex;align-items:baseline;gap:8px}.stat-value{font-family:var(--font-figures);font-size:1.75rem;font-weight:700;line-height:1;min-width:2.2ch}.stat-label{font-size:.875rem;color:var(--slate);line-height:1.25}.schedule{border-left:4px solid var(--rule);padding:6px 12px;margin:10px 0 12px;color:var(--slate)}.schedule.now{border-left-color:var(--ok);color:var(--ink);font-weight:600}.list{list-style:none;margin:0;padding:0}.list>li{border-bottom:1px solid var(--rule);padding:10px 0}.list>li:last-child{border-bottom:0}.recent-row{display:flex;align-items:center;gap:8px}.recent-row select{flex:1;width:auto}.chip{min-height:44px;padding:0 12px;border-radius:999px;border:1.5px solid var(--rule);background:var(--surface);font-weight:600}.chip.on{border-color:var(--amber);background:var(--amber-soft)}.record{display:grid;grid-template-columns:auto 1fr;gap:2px 10px;width:100%;text-align:left;background:none;border:0;padding:4px 0;min-height:var(--tap-min)}.record-time{font-weight:650}.record-desc{grid-column:1 / -1;color:var(--slate);font-size:.9375rem}.tag{font-size:var(--t-sm);font-weight:650;padding:1px 8px;border-radius:6px;align-self:center}.tag-sample{background:var(--primary-soft);color:var(--primary)}.tag-interaction{background:var(--ok-soft);color:var(--ok)}.tag-interruption{background:var(--amber-soft);color:var(--amber)}.pill{white-space:nowrap;margin-left:6px;font-size:var(--t-sm);font-weight:600;padding:1px 8px;border-radius:999px;background:var(--amber-soft);color:var(--amber)}.defs{margin:8px 0 16px}.defs div{display:grid;grid-template-columns:76px 1fr;gap:10px;padding:8px 0;border-bottom:1px solid var(--rule)}.defs dt{font-weight:700}.defs dd{margin:0;color:var(--slate);font-size:.9375rem}table.review{width:100%;border-collapse:collapse;margin:8px 0 14px}table.review th,table.review td{padding:7px 4px;border-bottom:1px solid var(--rule);text-align:left;font-size:.9375rem}table.review th{font-weight:500;color:var(--slate)}table.review td{font-family:var(--font-figures);font-size:1.125rem;font-weight:700}.sampler{display:flex;flex-direction:column;gap:12px}.timer{display:grid;grid-template-columns:auto 1fr;align-items:end;column-gap:14px;padding:2px 2px 0}.timer-main{font-family:var(--font-figures);font-size:3.5rem;font-weight:700;line-height:.95;letter-spacing:-.01em}.timer-sub{color:var(--slate);font-size:.9375rem;padding-bottom:6px}.timer.done .timer-main{color:var(--ok)}.progress{grid-column:1 / -1;height:4px;background:var(--sunken);border-radius:2px;overflow:hidden;margin-top:10px}.progress>div{height:100%;background:var(--primary);transition:width .25s linear}.timer.done .progress>div{background:var(--ok)}.tap-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.tap{position:relative;display:flex;flex-direction:column;justify-content:space-between;align-items:flex-start;min-height:max(124px,19dvh);padding:14px 16px;border-radius:var(--r-pad);border:0;text-align:left;user-select:none;-webkit-user-select:none;transition:transform .06s ease,filter .06s ease}.tap-pass{background:var(--stage-pass);color:var(--stage-pass-ink)}.tap-look{background:var(--stage-look);color:var(--stage-look-ink)}.tap-stop{background:var(--stage-stop);color:var(--stage-stop-ink)}.tap-inspect{background:var(--stage-inspect);color:var(--stage-inspect-ink)}.tap:active,.tap.flash{transform:scale(.965);filter:brightness(1.12)}.tap-label{display:flex;flex-direction:column;gap:6px;font-size:1.1875rem;font-weight:700}.tap-count{font-family:var(--font-figures);font-size:3.25rem;font-weight:700;line-height:.9;align-self:flex-end}.tap-minor{position:absolute;left:16px;bottom:14px;font-size:var(--t-sm);font-weight:650;padding:1px 8px;border-radius:999px;background:var(--amber-soft);color:#6b4410}.last-visitor{border-color:var(--rule)}.lv-head{display:flex;justify-content:space-between;align-items:center;gap:8px}.lv-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:8px}.minor-toggle{grid-column:1 / -1;min-height:52px;border-radius:var(--r-control);border:1.5px dashed var(--amber);background:none;font-weight:650;color:var(--ink)}.minor-toggle.on{border-style:solid;background:var(--amber-soft)}.reclass{min-height:46px;padding:4px 6px;border-radius:var(--r-control);border:1.5px solid var(--rule);background:var(--surface);font-weight:600;font-size:.875rem;line-height:1.15}.totals{display:flex;flex-wrap:wrap;gap:4px 16px;font-size:.9375rem;color:var(--slate);padding:0 2px}.totals strong{color:var(--ink);font-family:var(--font-figures);font-size:1.25rem}dialog.sheet{border:0;padding:0;margin:auto 0 0;width:100%;max-width:100%;max-height:92dvh;background:var(--surface);color:var(--ink);border-radius:18px 18px 0 0}@media(min-width:680px){dialog.sheet{margin:auto;max-width:600px;border-radius:18px}}dialog.sheet[open]{animation:sheet-in .18s ease-out}@keyframes sheet-in{0%{transform:translateY(24px);opacity:0}}dialog.sheet::backdrop{background:#0a141873}.sheet-body{padding:14px 16px calc(env(safe-area-inset-bottom) + 20px)}.sheet-head{display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:var(--surface);padding-bottom:8px;z-index:1}.sheet-head h2{margin:0}.toasts{position:fixed;left:16px;right:16px;bottom:calc(env(safe-area-inset-bottom) + 76px);z-index:30;display:flex;flex-direction:column;gap:6px;align-items:center;pointer-events:none}.toast{pointer-events:auto;display:flex;align-items:center;gap:12px;max-width:588px;width:100%;background:#14181d;color:#fff;padding:12px 14px;border-radius:12px;box-shadow:0 8px 24px #0a141847}.toast:before{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:#58c18a}.toast.warn:before{background:#e3a646}.toast.error:before{background:#ff8a7d}.toast span{flex:1}.toast button{min-height:40px;padding:0 14px;border-radius:8px;border:0;background:#fff;color:#14181d;font-weight:700}.update-banner{display:flex;gap:10px;align-items:center;justify-content:space-between;padding:10px 16px;background:var(--primary-soft);border-bottom:1px solid var(--rule);font-size:.9375rem}.update-banner button{min-height:40px;padding:0 14px;border-radius:8px;border:0;background:var(--primary);color:var(--primary-ink);font-weight:700}@media(prefers-reduced-motion:reduce){*,dialog.sheet[open]{transition:none!important;animation:none!important}}