/* Labscout design system — "the lab notebook". See DESIGN.md. */
@font-face { font-family: "Instrument Serif"; src: url("/fonts/instrument-serif-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Instrument Serif"; src: url("/fonts/instrument-serif-400-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Inter Tight"; src: url("/fonts/inter-tight-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Inter Tight"; src: url("/fonts/inter-tight-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Inter Tight"; src: url("/fonts/inter-tight-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Inter Tight"; src: url("/fonts/inter-tight-700-normal.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("/fonts/jetbrains-mono-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("/fonts/jetbrains-mono-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }

:root {
  /* Card-catalog world (see DESIGN.md). Variable names kept stable for page CSS. */
  --paper: #E3E3DE; --sheet: #F4F4EF; --ink: #111111; --ink-2: #3A3A36; --ink-3: #5E5E58;
  --rule: #111111; --rule-2: #8E8E86; --hair: #CFCFC8;
  --hi: #F2E96B; --hi-ink: #111111;            /* the yellow highlighter: CTAs, labels, current focus */
  --dark: #121212; --dark-2: #2A2A28; --on-dark: #F4F4EF; --on-dark-2: #B9B9B2;
  --mark: #111111; --mark-ink: #111111; --mark-wash: #F2E96B;
  --ok: #1F6B45; --ok-wash: #DDEBDF; --bad: #A12A1A; --bad-wash: #F2DCD6;
  --serif: "Inter Tight", ui-sans-serif, system-ui, sans-serif;   /* display voice: heavy, tight */
  --sans: "Inter Tight", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --bw: 1.5px; --r: 8px; --r-lg: 10px;
  --lift: 0 1px 0 rgba(17,17,17,.06), 0 18px 40px -24px rgba(17,17,17,.35);
  --ease: cubic-bezier(.16, 1, .3, 1);
  --wrap: 1120px;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { background: var(--paper); color: var(--ink); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; scrollbar-color: var(--rule-2) transparent; }
body { margin: 0; font: 400 15px/1.55 var(--sans); min-height: 100vh; display: flex; flex-direction: column; }
::selection { background: var(--hi); color: var(--ink); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--rule-2); border-radius: 999px; border: 3px solid var(--paper); }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; box-shadow: 0 0 0 5px var(--hi); border-radius: 6px; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; text-decoration-color: var(--rule-2); }
a:hover { text-decoration-color: var(--ink); background: linear-gradient(transparent 60%, var(--hi) 60%); }
input, button, textarea { font: inherit; color: inherit; caret-color: var(--ink); }
img, svg { display: block; }
.num, .mono, code, kbd { font-family: var(--mono); font-variant-numeric: tabular-nums; font-size: .87em; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- shell: top bar + tabs (pills like the catalog filters) ---------- */
.ls-top { position: sticky; top: 0; z-index: 20; background: var(--paper); border-bottom: var(--bw) solid var(--ink); }
.ls-top-in { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; height: 64px; display: flex; align-items: center; gap: 22px; }
.ls-brand { display: flex; align-items: baseline; gap: 14px; text-decoration: none; font: 700 16px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.ls-brand i { display: none; }
.ls-brand small { font: 400 12px/1 var(--mono); letter-spacing: .02em; text-transform: none; color: var(--ink-2); }
.ls-tabs { display: flex; gap: 8px; margin-left: auto; }
.ls-tab { display: inline-flex; align-items: center; gap: 8px; height: 32px; padding: 0 14px; border: var(--bw) solid var(--ink); border-radius: 999px; text-decoration: none; color: var(--ink); font: 500 12.5px/1 var(--mono); letter-spacing: .02em; background: transparent; transition: background .15s, color .15s; }
.ls-tab:hover { background: var(--sheet); }
.ls-tab[aria-current="page"] { background: var(--ink); color: var(--paper); }
.ls-tab svg { width: 14px; height: 14px; }
.ls-top-right { display: flex; align-items: center; gap: 14px; font: 400 12px/1 var(--mono); color: var(--ink-2); }
.ls-live { display: inline-flex; align-items: center; gap: 7px; }
.ls-live b { width: 8px; height: 8px; border-radius: 2px; background: var(--rule-2); }
.ls-live.on b { background: var(--ok); }
.ls-gh { display: inline-flex; color: var(--ink); }
.ls-gh svg { width: 18px; height: 18px; }

/* ---------- layout ---------- */
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.page { padding: 56px 0 96px; flex: 1 0 auto; }
.h-display { font: 700 clamp(40px, 6vw, 68px)/.98 var(--serif); letter-spacing: -.045em; margin: 0; text-wrap: balance; }
.h-display em { font-style: normal; background: var(--hi); padding: 0 .12em; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.h1 { font: 700 40px/1.02 var(--serif); letter-spacing: -.04em; margin: 0; text-wrap: balance; }
.h2 { font: 700 26px/1.1 var(--serif); letter-spacing: -.03em; margin: 0 0 6px; text-wrap: balance; }
.h3 { font: 600 15px/1.3 var(--sans); margin: 0; }
.lead { font-size: 17px; color: var(--ink-2); max-width: 56ch; margin: 14px 0 0; text-wrap: pretty; }
.muted { color: var(--ink-3); }
.small { font-size: 13px; }
.rule { height: var(--bw); background: var(--ink); border: 0; margin: 48px 0; }
.section { margin-top: 72px; }
.section > .h2 + p { color: var(--ink-2); margin: 0 0 22px; max-width: 60ch; }

/* ---------- controls ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 40px; padding: 0 18px; border-radius: var(--r); border: var(--bw) solid var(--ink); background: var(--ink); color: var(--paper); font: 600 13px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; cursor: pointer; text-decoration: none; transition: transform .15s var(--ease), background .2s; }
.btn:hover { background: #000; }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--sheet); }
.btn.hi { background: var(--hi); color: var(--ink); border-color: var(--hi); height: 52px; font-size: 15px; letter-spacing: .12em; }
.btn.hi:hover { background: #F7EF86; }
.btn svg { width: 16px; height: 16px; }
.chip { display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 14px; border-radius: 999px; border: var(--bw) solid var(--ink); background: transparent; font: 500 12.5px/1 var(--mono); color: var(--ink); cursor: pointer; transition: border-color .2s, color .2s, background .2s; white-space: nowrap; }
.chip:hover { background: var(--sheet); }
.chip[aria-pressed="true"], .chip.on { background: var(--ink); color: var(--paper); }
.pill { display: inline-flex; align-items: center; gap: 6px; height: 24px; padding: 0 9px; border-radius: 4px; font: 500 11.5px/1 var(--mono); letter-spacing: .02em; background: transparent; color: var(--ink); border: var(--bw) solid var(--ink); white-space: nowrap; }
.pill.ok { background: var(--ok-wash); color: var(--ok); border-color: var(--ok); }
.pill.mark, .pill.hi { background: var(--hi); color: var(--ink); }
.dot { width: 8px; height: 8px; border-radius: 2px; background: var(--rule-2); display: inline-block; flex: none; }
.dot.ok { background: var(--ok); }
.dot.bad { background: var(--bad); }

/* ---------- surfaces ---------- */
.sheet { background: var(--sheet); border: var(--bw) solid var(--ink); border-radius: var(--r-lg); }
.lift { box-shadow: var(--lift); }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; font-size: 14px; }
.kv dt { color: var(--ink-3); }
.kv dd { margin: 0; }
pre { margin: 0; background: var(--dark); color: var(--on-dark); border-radius: var(--r); padding: 14px 16px; overflow-x: auto; font: 400 12.5px/1.6 var(--mono); position: relative; }
pre .c { color: #9C968A; }
.copy-btn { position: absolute; top: 8px; right: 8px; height: 26px; padding: 0 10px; border-radius: 999px; border: 1px solid #4A463D; background: transparent; color: #EDE8DC; font: 500 12px var(--sans); cursor: pointer; }
.copy-btn:hover { border-color: #EDE8DC; }
table.t { width: 100%; border-collapse: collapse; font-size: 14px; }
table.t th { text-align: left; font: 500 11px/1.2 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); padding: 0 12px 8px 0; border-bottom: var(--bw) solid var(--ink); }
table.t td { padding: 10px 12px 10px 0; border-bottom: 1px solid var(--hair); vertical-align: top; }

/* ---------- catalog components (from the reference mock) ---------- */
.label { font: 500 11px/1.2 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); }
.panel-dark { background: var(--dark); color: var(--on-dark); border-radius: var(--r); padding: 28px 32px; }
.panel-dark .label { color: var(--on-dark-2); }
.score-xl { font: 700 clamp(96px, 14vw, 168px)/.82 var(--serif); letter-spacing: -.06em; font-variant-numeric: tabular-nums; }
.score-xl small { font: 400 18px/1 var(--mono); letter-spacing: 0; color: var(--on-dark-2); margin-left: 6px; }
.name-xl { font: 700 clamp(32px, 4.4vw, 44px)/1 var(--serif); letter-spacing: -.045em; margin: 0; }
/* index-card tab: <button class="ftab"><span class="id">017</span><span>M. Lindqvist</span><b>87</b></button> */
.ftab { display: inline-grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; height: 30px; padding: 0 14px; min-width: 232px; border: var(--bw) solid var(--ink); border-bottom: 0; border-radius: 8px 8px 0 0; background: var(--sheet); font: 400 12.5px/1 var(--mono); color: var(--ink); cursor: pointer; text-align: left; }
.ftab b { font-weight: 700; font-variant-numeric: tabular-nums; }
.ftab:hover { background: #FBFBF6; }
.ftab[aria-selected="true"] { background: var(--ink); color: var(--paper); }
/* stage meter: <div class="meters"><div class="meter"><span class="label">01 Research</span><i class="sq on"></i>...</div></div> */
.meters { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: var(--bw) solid var(--ink); border-radius: var(--r); overflow: hidden; }
.meter { padding: 12px 14px 14px; border-right: var(--bw) solid var(--ink); display: grid; gap: 10px; }
.meter:last-child { border-right: 0; }
.meter .sqs { display: flex; gap: 5px; }
.sq { width: 18px; height: 18px; border: var(--bw) solid var(--ink); display: inline-block; }
.sq.on { background: var(--ink); }
.meter.dark { background: var(--dark); }
.meter.dark .label { color: var(--on-dark); }
.meter.dark .sq { border-color: var(--on-dark); }
.meter.dark .sq.on { background: var(--on-dark); }
.tag-hi { display: inline-flex; align-items: center; height: 32px; padding: 0 16px; background: var(--hi); border: var(--bw) solid var(--ink); border-radius: 4px; font: 500 13px/1 var(--mono); }
.drawer { border: var(--bw) solid var(--ink); border-bottom: 0; background: var(--paper); padding: 36px 24px 48px; display: grid; justify-items: center; gap: 18px; }
.drawer .handle { width: 112px; height: 10px; border: var(--bw) solid var(--ink); border-radius: 999px; box-shadow: 0 12px 0 -1px var(--paper), 0 12px 0 0 var(--ink); }
@media (max-width: 720px) { .meters { grid-template-columns: repeat(2, minmax(0, 1fr)); } .meter:nth-child(2) { border-right: 0; } .meter:nth-child(-n+2) { border-bottom: var(--bw) solid var(--ink); } .ftab { min-width: 0; } }

/* ---------- motion: the one authored moment ---------- */
@keyframes settle { from { opacity: 0; transform: translateY(8px); filter: blur(4px); } to { opacity: 1; transform: none; filter: none; } }
.settle { animation: settle .42s var(--ease) both; animation-delay: calc(var(--i, 0) * 40ms); }
@media (prefers-reduced-motion: reduce) { .settle { animation: none; } * { transition: none !important; } }

/* ---------- footer ---------- */
.ls-foot { margin-top: auto; border-top: var(--bw) solid var(--ink); font-family: var(--mono); padding: 22px 0; font-size: 13px; color: var(--ink-3); }
.ls-foot .wrap { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
.ls-foot .sp { display: inline-flex; gap: 14px; margin-left: auto; }
.ls-foot a { text-decoration: none; }
.ls-foot a:hover { background: none; color: var(--ink); text-decoration: underline; }

@media (max-width: 860px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 900px) { .ls-brand small { display: none; } .ls-live span { display: none; } }
@media (max-width: 620px) {
  .ls-top-in { gap: 10px; padding: 0 12px; height: 56px; }
  .ls-brand { font-size: 13px; letter-spacing: .1em; }
  .ls-tabs { gap: 5px; min-width: 0; }
  .ls-tab { height: 30px; padding: 0 10px; font-size: 11.5px; }
  .ls-tab svg { display: none; }
  .ls-gh { display: none; }
  .wrap { padding: 0 16px; }
  .page { padding: 36px 0 72px; }
  .grid-4 { grid-template-columns: 1fr; }
}