/* LAB NOTES · láb.com — report-sheet skin. Prefix: ln- */
@font-face{font-family:"DM Sans";font-style:normal;font-weight:200 700;font-display:swap;src:url(/assets/fonts/dm-sans-latin-ext.woff2) format("woff2");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:"DM Sans";font-style:normal;font-weight:200 700;font-display:swap;src:url(/assets/fonts/dm-sans-latin.woff2) format("woff2");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}

:root{
  --ln-ink:#1E262B;--ln-ink-77:rgba(30,38,43,.77);--ln-ink-64:rgba(30,38,43,.64);
  --ln-paper:#FFFFFF;--ln-tint:#FAFAFA;--ln-line:rgba(30,38,43,.12);--ln-line-soft:rgba(30,38,43,.07);
  --ln-muted:#717171;--ln-amber:#B45309;--ln-amber-wash:rgba(180,83,9,.06);--ln-amber-edge:rgba(180,83,9,.36);
  --ln-ruled:rgba(30,38,43,.05);--ln-fill:#1E262B;--ln-on-fill:#FFFFFF;
  --ln-measure:1265px;--ln-gutter:clamp(20px,5vw,56px);--ln-band:clamp(56px,6.4vw,96px);
  --ln-mono:ui-monospace,SFMono-Regular,Menlo,monospace;
  color-scheme:light;
}
:root[data-edition="dark"]{
  --ln-ink:#FFFFFF;--ln-ink-77:rgba(255,255,255,.72);--ln-ink-64:rgba(255,255,255,.6);
  --ln-paper:#0C1116;--ln-tint:#121A21;--ln-line:rgba(255,255,255,.16);--ln-line-soft:rgba(255,255,255,.08);
  --ln-muted:#A7ADB2;--ln-amber:#F2A541;--ln-amber-wash:rgba(242,165,65,.08);--ln-amber-edge:rgba(242,165,65,.42);
  --ln-ruled:transparent;--ln-fill:#FFFFFF;--ln-on-fill:#0C1116;
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:24px}
body{
  margin:0;min-width:320px;color:var(--ln-ink-77);background-color:var(--ln-paper);
  background-image:repeating-linear-gradient(180deg,transparent 0,transparent 31px,var(--ln-ruled) 31px,var(--ln-ruled) 32px);
  font:400 1.0625rem/1.66 "DM Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  overflow-wrap:break-word;-webkit-font-smoothing:antialiased;
}
[hidden]{display:none!important}
img{max-width:100%;height:auto}
a{color:var(--ln-ink);text-decoration-line:underline;text-decoration-color:var(--ln-amber-edge);text-decoration-thickness:1px;text-underline-offset:.2em}
a:hover{color:var(--ln-amber);text-decoration-color:currentColor}
:focus-visible{outline:2px solid var(--ln-amber);outline-offset:3px;border-radius:4px}
code{font-family:var(--ln-mono);font-size:.86em;color:var(--ln-ink);background:var(--ln-amber-wash);padding:.05em .3em;border-radius:4px;overflow-wrap:anywhere}
b,strong{color:var(--ln-ink);font-weight:600}
.ln-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}
.ln-skip{position:absolute;left:12px;top:-60px;z-index:20;padding:10px 16px;border-radius:999px;background:var(--ln-fill);color:var(--ln-on-fill);text-decoration:none;font-weight:600}
.ln-skip:focus{top:12px;color:var(--ln-on-fill)}
.ln-wrap{max-width:var(--ln-measure);margin:0 auto;padding:0 var(--ln-gutter)}

/* masthead */
.ln-top{background:var(--ln-paper);border-bottom:1px solid var(--ln-line)}
.ln-top-in{max-width:var(--ln-measure);margin:0 auto;padding:14px var(--ln-gutter);display:flex;align-items:center;gap:14px 22px}
.ln-brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ln-ink);margin-right:auto;min-width:0}
.ln-mark{flex:none;color:var(--ln-ink)}
.ln-brand-name{font-weight:600;font-size:1.08rem;letter-spacing:-.02em}
.ln-brand-sub{font-size:.66rem;font-weight:700;letter-spacing:.19em;text-transform:uppercase;color:var(--ln-amber);padding-left:10px;border-left:1px solid var(--ln-line)}
.ln-nav{display:flex;gap:4px}
.ln-nav a{padding:8px 12px;border-radius:999px;text-decoration:none;font-size:.94rem;color:var(--ln-ink-77)}
.ln-nav a:hover,.ln-nav a[aria-current="page"]{color:var(--ln-ink);background:var(--ln-amber-wash)}
.ln-ed{display:inline-flex;padding:3px;border:1px solid var(--ln-line);border-radius:999px;background:var(--ln-tint)}
.ln-ed button{display:grid;place-items:center;width:34px;height:30px;border:0;border-radius:999px;background:transparent;color:var(--ln-ink-64);cursor:pointer}
.ln-ed button[aria-pressed="true"]{background:var(--ln-fill);color:var(--ln-on-fill)}

/* type */
.ln-eyebrow{display:flex;align-items:center;gap:12px;margin:0 0 18px;font-size:.69rem;font-weight:700;letter-spacing:.19em;text-transform:uppercase;color:var(--ln-ink-64)}
.ln-eyebrow::before{content:"";flex:none;width:26px;height:1px;background:var(--ln-amber)}
.ln-d1{margin:0 0 22px;color:var(--ln-ink);font-weight:250;font-size:clamp(2.35rem,5.4vw,4.35rem);line-height:1.08;letter-spacing:-.035em}
.ln-d1-soft{color:var(--ln-ink-64)}
.ln-d1-sheet{font-size:clamp(2rem,4.3vw,3.4rem);max-width:18ch}
.ln-d2{margin:0 0 18px;color:var(--ln-ink);font-weight:600;font-size:clamp(1.45rem,2.4vw,1.95rem);line-height:1.16;letter-spacing:-.04em}
.ln-d2-big{font-size:clamp(1.7rem,3.2vw,2.5rem)}
.ln-d3{margin:30px 0 10px;color:var(--ln-ink);font-weight:600;font-size:1.12rem;letter-spacing:-.02em;line-height:1.3}
.ln-lede{font-size:clamp(1.08rem,1.5vw,1.24rem);max-width:56ch;margin:0 0 28px}
.ln-intro{max-width:66ch;margin:0 0 34px}

/* buttons */
.ln-ctas{display:flex;flex-wrap:wrap;gap:12px;margin:0}
.ln-btn{display:inline-flex;align-items:center;gap:10px;min-height:46px;padding:0 22px;border:1px solid var(--ln-fill);border-radius:999px;background:var(--ln-fill);color:var(--ln-on-fill);font-weight:600;font-size:.95rem;text-decoration:none}
.ln-btn:hover{color:var(--ln-on-fill);background:var(--ln-amber);border-color:var(--ln-amber)}
:root[data-edition="dark"] .ln-btn:hover{color:#0C1116}
.ln-btn-ghost{background:transparent;color:var(--ln-ink);border-color:var(--ln-line)}
.ln-btn-ghost:hover{background:var(--ln-amber-wash);color:var(--ln-ink);border-color:var(--ln-amber-edge)}
:root[data-edition="dark"] .ln-btn-ghost:hover{color:var(--ln-ink)}
.ln-dot{flex:none;display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--ln-amber)}

/* front: hero + specimen sheet */
.ln-hero{padding:var(--ln-band) 0}
.ln-hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:clamp(32px,5vw,72px);align-items:center}
.ln-own-note{margin:26px 0 0;padding:12px 16px;border-left:2px solid var(--ln-amber);background:var(--ln-amber-wash);font-size:.93rem;max-width:56ch;border-radius:0 10px 10px 0}
.ln-specimen{position:relative;border:1px solid var(--ln-line);border-radius:16px;background:var(--ln-paper);overflow:hidden;box-shadow:0 1px 0 var(--ln-line-soft),0 18px 40px -28px rgba(30,38,43,.45)}
.ln-specimen::before{content:"";position:absolute;top:0;bottom:0;left:46px;width:1px;background:var(--ln-amber-edge)}
.ln-spec-head,.ln-fig-head,.ln-tbox-head p{display:flex;align-items:center;gap:9px;margin:0;font-size:.69rem;font-weight:700;letter-spacing:.17em;text-transform:uppercase;color:var(--ln-ink-64)}
.ln-spec-head{position:relative;padding:12px 16px;border-bottom:1px solid var(--ln-line);background:var(--ln-paper)}
.ln-spec-fig{position:relative;margin:16px 16px 6px 62px;border:1px solid var(--ln-line);border-radius:10px;overflow:hidden}
.ln-spec-fig img{display:block;width:100%}
.ln-spec-fig figcaption{padding:7px 10px;font-size:.78rem;color:var(--ln-ink-64);border-top:1px solid var(--ln-line-soft);background:var(--ln-paper)}
.ln-spec-rows{position:relative;list-style:none;margin:0;padding:6px 16px 4px 0}
.ln-spec-rows li{display:grid;grid-template-columns:46px minmax(0,1fr);gap:16px;padding:8px 0;font-size:.92rem;line-height:1.5}
.ln-spec-rows b{justify-self:center;color:var(--ln-amber);font-weight:300;font-size:1.3rem;line-height:1.1}
.ln-spec-rows em{font-style:normal;font-weight:600;color:var(--ln-ink)}
.ln-spec-go{position:relative;margin:0;padding:12px 16px 16px 62px;font-weight:600;font-size:.94rem}

/* front: bands + cards */
.ln-band{padding:var(--ln-band) 0;border-top:1px solid var(--ln-line)}
.ln-band-tint{background:var(--ln-tint)}
.ln-cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,350px),1fr));gap:24px}
.ln-card{position:relative;display:flex;flex-direction:column;border:1px solid var(--ln-line);border-radius:16px;background:var(--ln-paper);overflow:hidden;transition:border-color .15s}
.ln-card:hover,.ln-card:focus-within{border-color:var(--ln-amber-edge)}
.ln-card-fig{margin:0;border-bottom:1px solid var(--ln-line);aspect-ratio:16/9;overflow:hidden;background:var(--ln-tint)}
.ln-card-fig img{display:block;width:100%;height:100%;object-fit:cover;object-position:top center}
.ln-card-body{padding:18px 20px 20px}
.ln-card-no{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;margin:0 0 8px;font-size:.69rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--ln-ink-64)}
.ln-card-no span{color:var(--ln-amber);font-family:var(--ln-mono);letter-spacing:.04em;font-size:.8rem}
.ln-card-h{margin:0 0 12px;font-size:1.4rem;font-weight:600;letter-spacing:-.035em;line-height:1.2}
.ln-card-h a{text-decoration:none}
.ln-card-h a::after{content:"";position:absolute;inset:0;border-radius:16px}
.ln-card-dl{margin:0;display:grid;gap:8px}
.ln-card-dl div{display:grid;grid-template-columns:74px minmax(0,1fr);gap:10px;padding-top:8px;border-top:1px solid var(--ln-line-soft)}
.ln-card-dl dt{font-size:.66rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--ln-amber);padding-top:.3em}
.ln-card-dl dd{margin:0;font-size:.93rem;line-height:1.5}
.ln-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:1px;background:var(--ln-line);border:1px solid var(--ln-line);border-radius:16px;overflow:hidden}
.ln-steps li{background:var(--ln-paper);padding:22px 20px 24px}
.ln-steps b{display:block;color:var(--ln-amber);font-weight:200;font-size:2.4rem;line-height:1;margin-bottom:12px}
.ln-steps h3{margin:0 0 8px;color:var(--ln-ink);font-size:1.08rem;font-weight:600;letter-spacing:-.02em}
.ln-steps p{margin:0;font-size:.94rem;line-height:1.55}

/* review sheet */
.ln-sheet{position:relative;max-width:1080px;margin:0 auto;padding:var(--ln-band) var(--ln-gutter)}
.ln-sheet p,.ln-sheet ul,.ln-sheet ol{max-width:70ch}
.ln-crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0 0 26px;padding:0;font-size:.86rem;color:var(--ln-ink-64)}
.ln-crumbs li+li::before{content:"/";margin-right:6px;color:var(--ln-line)}
.ln-crumbs a{color:var(--ln-ink-64)}
.ln-dek{font-size:clamp(1.08rem,1.6vw,1.24rem);margin:0 0 30px;max-width:56ch}
.ln-sheet .ln-form{max-width:none}
.ln-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:1px;margin:0;background:var(--ln-line);border:1px solid var(--ln-line);border-radius:14px;overflow:hidden}
.ln-form div{background:var(--ln-paper);padding:12px 16px 13px}
.ln-form dt{font-size:.64rem;font-weight:700;letter-spacing:.17em;text-transform:uppercase;color:var(--ln-ink-64);margin-bottom:3px}
.ln-form dd{margin:0;color:var(--ln-ink);font-size:.95rem;line-height:1.45}
.ln-parts{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 0}
.ln-parts a{display:inline-flex;align-items:center;gap:8px;padding:7px 14px 7px 8px;border:1px solid var(--ln-line);border-radius:999px;text-decoration:none;font-size:.9rem;color:var(--ln-ink)}
.ln-parts a:hover{border-color:var(--ln-amber-edge);color:var(--ln-ink)}
.ln-parts b{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--ln-amber-wash);color:var(--ln-amber);font-size:.78rem}
.ln-part{position:relative;margin-top:48px;padding-top:36px;border-top:1px solid var(--ln-line)}
.ln-no{display:inline-block;margin-right:14px;color:var(--ln-amber);font-weight:250;letter-spacing:-.02em}
.ln-part>p{margin:0 0 16px}
.ln-reads{margin:22px 0 6px;padding:14px 18px;border:1px dashed var(--ln-amber-edge);border-radius:12px;max-width:70ch}
.ln-reads-h{margin:0 0 6px;font-size:.66rem;font-weight:700;letter-spacing:.17em;text-transform:uppercase;color:var(--ln-amber)}
.ln-reads ul{margin:0;padding-left:1.1em;font-size:.95rem}
.ln-reads li::marker{color:var(--ln-amber)}

/* figures */
.ln-figs{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:22px;align-items:start;margin:4px 0 28px}
.ln-fig{margin:0;border:1px solid var(--ln-line);border-radius:14px;overflow:hidden;background:var(--ln-paper)}
.ln-fig-head{padding:10px 14px;border-bottom:1px solid var(--ln-line)}
.ln-fig-size{margin-left:auto;font-family:var(--ln-mono);font-weight:400;letter-spacing:0;text-transform:none;font-size:.72rem}
.ln-fig img{display:block;width:100%;height:auto}
.ln-fig figcaption{padding:11px 14px 13px;border-top:1px solid var(--ln-line-soft);font-size:.86rem;line-height:1.5}
.ln-fig figcaption b{color:var(--ln-amber)}

/* run log */
.ln-tbox{margin:0 0 22px;border:1px solid var(--ln-line);border-radius:14px;overflow:hidden;background:var(--ln-paper)}
.ln-tbox-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px;border-bottom:1px solid var(--ln-line)}
.ln-zone{min-height:32px;padding:0 14px;border:1px solid var(--ln-line);border-radius:999px;background:transparent;color:var(--ln-ink);font:600 .8rem "DM Sans",system-ui,sans-serif;cursor:pointer}
.ln-zone[aria-pressed="true"]{background:var(--ln-fill);color:var(--ln-on-fill);border-color:var(--ln-fill)}
.ln-log{width:100%;border-collapse:collapse;font-size:.92rem;line-height:1.5}
.ln-log th,.ln-log td{padding:10px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--ln-line-soft)}
.ln-log tbody tr:last-child>*{border-bottom:0}
.ln-log thead th{font-size:.64rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--ln-ink-64);background:var(--ln-tint)}
.ln-log tbody th{color:var(--ln-ink);font-weight:600;width:28%}
.ln-log td:first-child{font-family:var(--ln-mono);color:var(--ln-amber);width:3.2em}
.ln-t{font-family:var(--ln-mono);font-variant-numeric:tabular-nums;white-space:nowrap;color:var(--ln-ink);font-size:.86rem}

/* discussion */
.ln-control{margin:0 0 20px;padding:20px 22px 22px;border:1px solid var(--ln-line);border-radius:14px;background:var(--ln-paper)}
.ln-sheet .ln-control p,.ln-sheet .ln-control ul{max-width:none}
.ln-control .ln-d3{margin:0 0 4px}
.ln-checked{margin:0 0 12px;font-size:.84rem;color:var(--ln-ink-64)}
.ln-checked time{font-family:var(--ln-mono);font-size:.95em}
.ln-checked-note{display:block;margin-top:2px}
.ln-vs{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:14px;border-top:1px solid var(--ln-line-soft)}
.ln-vs>div{padding:14px 0 0}
.ln-vs-us{padding-left:20px!important;border-left:1px solid var(--ln-line-soft)}
.ln-vs-them{padding-right:20px!important}
.ln-vs-h{margin:0 0 6px;font-size:.66rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--ln-ink-64)}
.ln-vs-us .ln-vs-h{color:var(--ln-amber)}
.ln-vs ul{margin:0;padding-left:1.1em;font-size:.94rem;line-height:1.55}
.ln-vs li+li{margin-top:6px}
.ln-errors{counter-reset:ln-e;list-style:none;padding:0;margin:0 0 8px}
.ln-errors li{counter-increment:ln-e;position:relative;padding:10px 0 10px 52px;border-bottom:1px solid var(--ln-line-soft)}
.ln-errors li::before{content:"E" counter(ln-e);position:absolute;left:0;top:10px;min-width:36px;padding:1px 0;border:1px solid var(--ln-amber-edge);border-radius:6px;text-align:center;font-family:var(--ln-mono);font-size:.78rem;color:var(--ln-amber)}

/* conclusion */
.ln-conclude{padding:24px 26px 26px;border:1px solid var(--ln-amber-edge);border-radius:16px;background:var(--ln-amber-wash)}
.ln-sheet .ln-conclude p{max-width:66ch}
.ln-conclude>p{margin:0 0 16px}
.ln-conclude>p:last-child{margin:22px 0 0}
.ln-finding{color:var(--ln-ink);font-size:1.12rem;font-weight:500;line-height:1.45}
.ln-finding span{display:block;margin-bottom:6px;font-size:.66rem;font-weight:700;letter-spacing:.19em;text-transform:uppercase;color:var(--ln-amber)}

/* method */
.ln-disclose{margin:0;padding:16px 20px;border:1px solid var(--ln-amber-edge);border-left-width:3px;border-radius:12px;background:var(--ln-amber-wash);color:var(--ln-ink);font-size:1.08rem}
.ln-rules{padding-left:1.1em}
.ln-rules li{margin-bottom:8px}
.ln-rules li::marker{color:var(--ln-amber)}

/* footer */
.ln-foot{border-top:1px solid var(--ln-line);background:var(--ln-tint)}
.ln-foot-in{max-width:var(--ln-measure);margin:0 auto;padding:40px var(--ln-gutter) 48px}
.ln-own{margin:0 0 14px;max-width:72ch;color:var(--ln-ink)}
.ln-foot-meta{display:flex;flex-wrap:wrap;gap:6px 22px;margin:0 0 16px;font-size:.88rem;color:var(--ln-ink-64)}
.ln-foot-meta a{color:var(--ln-ink-77)}
.ln-foot-nav{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:.92rem}

/* the margin: numbers and a notebook rule, on wide screens */
@media (min-width:980px){
  .ln-sheet{padding-left:calc(var(--ln-gutter) + 92px)}
  .ln-sheet::before{content:"";position:absolute;top:0;bottom:0;left:calc(var(--ln-gutter) + 66px);width:1px;background:var(--ln-amber-edge)}
  .ln-no{position:absolute;left:-92px;top:26px;width:52px;margin:0;text-align:right;font-size:2.6rem;line-height:1}
}
@media (max-width:900px){
  .ln-hero-grid{grid-template-columns:minmax(0,1fr)}
  .ln-figs{grid-template-columns:minmax(0,1fr) minmax(0,190px)}
}
@media (max-width:700px){
  .ln-figs{grid-template-columns:minmax(0,1fr)}
  .ln-fig-phone{max-width:250px}
  .ln-vs{grid-template-columns:minmax(0,1fr)}
  .ln-vs-us{padding-left:0!important;border-left:0;border-top:1px solid var(--ln-line-soft);margin-top:14px}
  .ln-vs-them{padding-right:0!important}
  .ln-log thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%)}
  .ln-log,.ln-log tbody,.ln-log tr,.ln-log th,.ln-log td{display:block;width:auto!important}
  .ln-log tr{padding:10px 14px;border-bottom:1px solid var(--ln-line-soft)}
  .ln-log tbody tr:last-child{border-bottom:0}
  .ln-log th,.ln-log td{padding:2px 0;border:0}
  .ln-log td[data-k]::before{content:attr(data-k) " · ";font-family:"DM Sans",system-ui,sans-serif;font-size:.62rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--ln-ink-64)}
  .ln-log td:first-child{display:none}
  .ln-t{white-space:normal}
  .ln-control{padding:18px 16px 20px}
  .ln-conclude{padding:20px 18px 22px}
}
@media (max-width:520px){
  .ln-top-in{flex-wrap:wrap;padding-top:12px;padding-bottom:12px}
  .ln-brand-sub{display:none}
  .ln-nav{order:3;width:100%;margin-left:-12px}
  .ln-card-dl div{grid-template-columns:minmax(0,1fr);gap:2px}
  .ln-errors li{padding-left:46px}
  .ln-spec-fig{margin-left:58px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{
  body{background:#fff;color:#000}
  .ln-top,.ln-foot-nav,.ln-parts,.ln-ed,.ln-zone{display:none!important}
}