/* The /lab pages: the dark room of the Fireplace Stories cards, with Newsreader for display and
 * Hanken Grotesk for reading. Every block sits on BLURSOR's own left edge (--bl-side). */
@font-face {
  font-family: 'Newsreader';
  font-style: normal;
  font-display: swap;
  font-weight: 200 800;
  src: url('/assets/fonts/newsreader-latin-opsz-normal.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: 'Newsreader';
  font-style: italic;
  font-display: swap;
  font-weight: 200 800;
  src: url('/assets/fonts/newsreader-latin-opsz-italic.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: 'Hanken Lab';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url('/assets/fonts/hanken-normal-latin.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;
}

.lab {
  --lab-flame: #ffc25c;
  --lab-ember: #f2912b;
  --lab-off: #33271f;
  --lab-sheet: #fbf6ec;
  --lab-sheet-ink: #1e1a17;
  --lab-sheet-soft: #5b534c;
  --lab-sheet-rule: rgba(30, 26, 23, 0.16);
  --lab-sheet-accent: #a8400f;
  --lab-display: 'Newsreader', Georgia, 'Times New Roman', serif;
  --lab-body: 'Hanken Lab', 'Hanken Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --lab-space: clamp(3.25rem, 6vw, 5.25rem);
  --lab-measure: 44rem;
  font-family: var(--lab-body);
  font-size: 1.125rem;
  line-height: 1.6;
  font-optical-sizing: auto;
  font-variant-numeric: tabular-nums;
}

.lab h1,
.lab h2,
.lab h3 {
  margin: 0;
  font-family: var(--lab-display);
  font-weight: 500;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.lab h2 {
  font-size: clamp(2.2rem, 4.2vw, 3.5rem);
  line-height: 1.08;
}

.lab h3 {
  font-size: clamp(1.6rem, 2.6vw, 2.15rem);
  line-height: 1.15;
}

.lab p {
  margin: 0;
  text-wrap: pretty;
}

.lab a {
  color: inherit;
  text-decoration-line: underline;
  text-decoration-color: var(--lab-ember);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.lab a:hover {
  color: var(--lab-flame);
}

.lab-section {
  padding-block: var(--lab-space);
}

.lab-section + .lab-section {
  padding-top: 0;
}

.lab-copy {
  display: grid;
  gap: 1rem;
  max-width: var(--lab-measure);
  color: var(--colour-paper-soft);
}

.lab-copy strong {
  color: var(--colour-paper);
  font-weight: 600;
}

.lab-heading {
  display: grid;
  gap: 0.9rem;
  margin-bottom: clamp(1.75rem, 3vw, 2.5rem);
}

/* Hero: the phrase is the specimen, so it runs the full width of the page. */
.lab-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(2.5rem, 5vw, 4.25rem) var(--lab-space);
  overflow: hidden;
}

.lab-hero::before {
  content: '';
  position: absolute;
  z-index: -1;
  inset: 0;
  background: radial-gradient(46% 42% at 81% 70%, rgba(238, 106, 31, 0.24), rgba(23, 17, 13, 0) 72%);
  animation: lab-glow 7s ease-in-out infinite alternate;
}

@keyframes lab-glow {
  from {
    opacity: 0.78;
  }

  to {
    opacity: 1;
  }
}

.lab-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.7rem;
  margin-bottom: clamp(1.25rem, 2.4vw, 2rem) !important;
  color: var(--colour-muted);
  font-size: 1rem;
}

.lab-crumb a {
  color: var(--lab-ember);
  font-weight: 600;
  text-decoration: none;
}

.lab-title {
  display: grid;
  gap: clamp(0.8rem, 1.6vw, 1.25rem);
}

.lab-phrase {
  display: block;
  color: var(--lab-flame);
  font-size: clamp(2.6rem, 5.3vw, 5.6rem);
  font-style: italic;
  line-height: 1.08;
  letter-spacing: -0.015em;
}

.lab-question {
  display: block;
  font-size: clamp(2rem, 3.6vw, 3.25rem);
  line-height: 1.1;
}

.lab-hero__body {
  display: grid;
  grid-template-columns: minmax(0, var(--lab-measure)) minmax(0, 27rem);
  justify-content: space-between;
  align-items: end;
  gap: clamp(2rem, 5vw, 5rem);
  margin-top: clamp(1.75rem, 3vw, 2.5rem);
}

.lab-lead {
  display: grid;
  gap: 1rem;
  font-size: clamp(1.25rem, 1.8vw, 1.45rem);
  line-height: 1.45;
}

.lab-byline {
  color: var(--colour-muted);
  font-size: 1rem;
  line-height: 1.5;
}

.lab-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.5rem;
  margin: 0;
  padding: 0;
  font-weight: 600;
  list-style: none;
}

.lab-jump a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
}

.lab-hearth {
  line-height: 0;
}

.fp {
  display: block;
  width: 100%;
  height: auto;
}

.fp-flame-2,
.fp-flame-3 {
  opacity: 0;
}

@media (prefers-reduced-motion: no-preference) {
  .fp-flame {
    animation: lab-flame 2.4s steps(1, end) infinite;
  }

  .fp-flame-2 {
    animation-delay: -1.6s;
  }

  .fp-flame-3 {
    animation-delay: -0.8s;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lab-hero::before {
    animation: none;
  }
}

@keyframes lab-flame {
  0%,
  33.3% {
    opacity: 1;
  }

  33.4%,
  100% {
    opacity: 0;
  }
}

/* The wall: all the intros at once. */
.wall-controls {
  display: grid;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.wall-modes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.wall-chip {
  min-height: 2.75rem;
  padding: 0.35rem 0.95rem;
  border: 1px solid var(--colour-rule);
  border-radius: 0;
  color: var(--colour-paper-soft);
  background: transparent;
  font: 500 1rem/1.2 var(--lab-body);
  cursor: pointer;
}

.wall-chip:hover {
  border-color: var(--lab-flame);
  color: var(--colour-paper);
}

.wall-chip[aria-pressed='true'] {
  border-color: var(--lab-flame);
  color: #17110d;
  background: var(--lab-flame);
}

.wall-search {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.9rem;
}

.wall-search label {
  color: var(--colour-paper-soft);
  font-size: 1rem;
}

.wall-search input {
  flex: 1 1 14rem;
  max-width: 24rem;
  min-height: 2.75rem;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--colour-rule);
  border-radius: 0;
  color: var(--colour-paper);
  background: var(--colour-surface);
  font: 500 1rem/1.2 var(--lab-body);
}

.wall-search input::placeholder {
  color: var(--colour-muted);
  opacity: 1;
}

.wall-readout {
  min-height: 1.6em;
  color: var(--colour-paper);
  font-size: 1.0625rem;
  font-weight: 500;
}

.wall {
  --wall-label: 10.5rem;
  --wall-count: 2.25rem;
  --wall-gap: 0.75rem;
  --wall-height: 1.6rem;
  display: grid;
  gap: 3px;
  outline-offset: 0.5rem;
  user-select: none;
}

.wall-row,
.wall-head {
  display: grid;
  grid-template-columns: var(--wall-label) minmax(0, 1fr) var(--wall-count);
  align-items: center;
  column-gap: var(--wall-gap);
}

.wall-head {
  align-items: end;
  margin-bottom: 0.15rem;
  color: var(--colour-muted);
  font-size: 0.8125rem;
  line-height: 1.15;
}

.wall-topics {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  column-gap: 7px;
}

.wall-group {
  margin-top: 0.9rem;
  color: var(--lab-ember);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.wall-group:first-of-type {
  margin-top: 0.35rem;
}

.wall-model {
  overflow: hidden;
  color: var(--colour-paper-soft);
  font-size: 1rem;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.wall-cells {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  column-gap: 7px;
}

.wall-topic {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2px;
}

.wall-topic i {
  display: block;
  height: var(--wall-height);
  background: var(--lab-off);
  cursor: pointer;
  transition: background-color 220ms ease;
}

.wall-topic i.on {
  background: var(--heat, var(--lab-flame));
}

.wall-topic i:hover {
  box-shadow: inset 0 0 0 1px #fff8ec;
}

.wall-topic i.sel {
  outline: 2px solid #fff8ec;
  outline-offset: 1px;
}

.wall-num {
  color: var(--lab-flame);
  font-size: 1rem;
  font-weight: 700;
  text-align: right;
}

.wall-num.zero {
  color: var(--colour-muted);
  font-weight: 500;
}

/* The reader: one intro on a sheet of paper, like the quote cards. */
.reader {
  position: sticky;
  z-index: 2;
  top: 76px;
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1.25rem;
  padding: 1.1rem clamp(1.1rem, 2.4vw, 2rem) 0.75rem;
  color: var(--lab-sheet-ink);
  background: var(--lab-sheet);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

.reader.is-open {
  position: static;
}

.reader a {
  color: var(--lab-sheet-accent);
}

.reader-meta {
  color: var(--lab-sheet-soft);
  font-size: 0.9375rem;
  line-height: 1.35;
}

.reader-meta strong {
  color: var(--lab-sheet-ink);
  font-weight: 700;
}

.reader-opening {
  min-height: 2.5em;
  max-width: 62rem;
  font-family: var(--lab-display);
  font-size: clamp(1.3rem, 2.2vw, 1.85rem);
  font-weight: 400;
  line-height: 1.22;
  letter-spacing: -0.005em;
}

.reader-opening mark {
  color: var(--lab-sheet-accent);
  background: none;
  font-weight: 600;
}

.reader-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.25rem;
  margin-inline: -0.4rem;
}

.reader-actions button {
  min-height: 2.75rem;
  padding: 0.25rem 0.4rem;
  border: 0;
  color: var(--lab-sheet-accent);
  background: none;
  font: 600 1rem/1.2 var(--lab-body);
  cursor: pointer;
}

.reader-actions button:hover {
  text-decoration: underline;
}

.reader-actions button:focus-visible,
.reader :focus-visible {
  outline: 2px solid var(--lab-sheet-ink);
}

.reader-full {
  display: grid;
  gap: 0.75rem;
  max-width: var(--lab-measure);
  padding-block: 0.5rem 0.75rem;
  border-top: 1px solid var(--lab-sheet-rule);
  font-size: 1.0625rem;
  line-height: 1.55;
}

.reader-full p:first-child {
  margin-top: 0.75rem;
}

.reader-full[hidden] {
  display: none;
}

.reader-prompt {
  color: var(--lab-sheet-soft);
  font-size: 0.9375rem;
}

/* Findings */
.finding {
  display: grid;
  gap: 0.9rem;
  max-width: 62rem;
}

.finding + .finding {
  margin-top: clamp(2.5rem, 4.5vw, 3.75rem);
}

.strips {
  display: grid;
  gap: 0.7rem;
  max-width: 58rem;
  margin: 0.6rem 0 0.3rem;
  padding: 0;
  list-style: none;
}

.strip-label {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.3;
}

.strip-label b {
  color: var(--lab-flame);
  font-weight: 700;
}

.strip-label b.zero {
  color: var(--colour-muted);
  font-weight: 500;
}

.strip-blocks {
  display: grid;
  grid-template-columns: repeat(30, minmax(0, 1fr));
  gap: 2px;
  margin-top: 0.3rem;
}

.strip-blocks i {
  height: 1.1rem;
  background: var(--lab-off);
}

.strip-blocks i.on {
  background: var(--heat, var(--lab-flame));
}

.strips-gap {
  height: 0.35rem;
}

/* The new stock openers: a plain list, one habit to a row. */
.habits {
  display: grid;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--colour-rule);
  list-style: none;
}

.habit {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 0.6rem clamp(1.5rem, 4vw, 4rem);
  padding-block: 1.35rem;
  border-bottom: 1px solid var(--colour-rule);
}

.habit-phrase {
  color: var(--lab-flame);
  font-family: var(--lab-display);
  font-size: clamp(1.6rem, 2.7vw, 2.3rem);
  font-style: italic;
  font-weight: 500;
  line-height: 1.14;
  letter-spacing: -0.01em;
}

.habit-who {
  margin-top: 0.4rem !important;
  color: var(--colour-paper);
  font-size: 1rem;
  font-weight: 600;
}

.habit-example {
  color: var(--colour-paper-soft);
  font-size: 1.0625rem;
  line-height: 1.5;
}

.habit-light {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  margin-top: 0.1rem;
  font-size: 1rem;
  font-weight: 600;
}

/* History: the Google Books columns */
.books {
  display: grid;
  gap: 0.5rem;
  max-width: 58rem;
  margin-top: 1.5rem;
}

.books-plot {
  position: relative;
  height: clamp(11rem, 24vw, 17rem);
}

.columns {
  display: block;
  width: 100%;
  height: 100%;
}

.books-mark {
  position: absolute;
  top: 0;
  left: 0;
  color: var(--lab-ember);
  font-size: 1rem;
  font-weight: 500;
}

.books-axis {
  display: flex;
  justify-content: space-between;
  color: var(--colour-muted);
  font-size: 0.9375rem;
}

.books-note {
  color: var(--colour-muted);
  font-size: 1rem;
  line-height: 1.45;
}

/* A soft band of fire where the room meets the paper. */
.lab-fireline {
  height: 78px;
  background-repeat: repeat-x;
  background-position: left bottom;
  image-rendering: pixelated;
}

/* The method sits on paper, the part of the report meant to be checked line by line. */
.lab-sheet {
  --colour-paper: var(--lab-sheet-ink);
  --colour-paper-soft: #3a342f;
  --colour-muted: var(--lab-sheet-soft);
  --colour-rule: var(--lab-sheet-rule);
  --focus: 2px solid var(--lab-sheet-ink);
  color: var(--lab-sheet-ink);
  background: var(--lab-sheet);
}

.lab-sheet a {
  color: var(--lab-sheet-accent);
  text-decoration-color: currentColor;
}

.lab-sheet a:hover {
  color: var(--lab-sheet-ink);
}

.lab-sheet .lab-section + .lab-section {
  padding-top: 0;
}

.sheet-block + .sheet-block {
  margin-top: clamp(2.25rem, 4vw, 3.25rem);
}

.sheet-block > h3 {
  margin-bottom: 0.8rem;
}

.lab-sheet ol,
.lab-sheet ul {
  display: grid;
  gap: 0.5rem;
  max-width: var(--lab-measure);
  margin: 0;
  padding-left: 1.4rem;
  color: var(--colour-paper-soft);
}

.lab-sheet li::marker {
  color: var(--lab-sheet-soft);
}

.rules {
  display: grid;
  gap: 0.75rem;
  max-width: var(--lab-measure);
  margin: 0.9rem 0 0;
}

.rules div {
  display: grid;
  gap: 0.1rem;
}

.rules dt {
  font-weight: 700;
}

.rules dd {
  margin: 0;
  color: var(--colour-paper-soft);
}

.lab-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1.0625rem;
  line-height: 1.3;
}

.lab-table caption {
  padding-bottom: 0.7rem;
  color: var(--colour-paper-soft);
  font-size: 1rem;
  line-height: 1.4;
  text-align: left;
}

.lab-table th,
.lab-table td {
  padding: 0.5rem 0.75rem 0.5rem 0;
  border-bottom: 1px solid var(--lab-sheet-rule);
  text-align: left;
  vertical-align: bottom;
}

.lab-table thead th {
  border-bottom: 2px solid var(--lab-sheet-ink);
  font-size: 0.9375rem;
  font-weight: 700;
}

.lab-table tbody th {
  font-weight: 500;
}

.lab-table .num {
  padding-right: 0;
  padding-left: 0.5rem;
  text-align: right;
}

.lab-table .group th {
  padding-top: 1.1rem;
  color: var(--lab-sheet-accent);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.lab-table .year {
  color: var(--lab-sheet-soft);
  font-size: 0.9375rem;
}

.lab-table code,
.lab-copy code {
  font-family: Consolas, 'SFMono-Regular', Menlo, monospace;
  font-size: 0.9em;
}

.downloads {
  display: grid;
  gap: 0;
  max-width: var(--lab-measure);
  margin: 0.25rem 0 1.25rem !important;
  padding: 0 !important;
  list-style: none;
}

.downloads a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  font-weight: 600;
}

.downloads span {
  margin-left: 0.5rem;
  color: var(--lab-sheet-soft);
  font-size: 1rem;
  font-weight: 400;
}

/* The /lab list */
.lab-index {
  position: relative;
  isolation: isolate;
  padding-block: clamp(2.5rem, 5vw, 4.25rem) var(--lab-space);
  overflow: hidden;
}

.lab-index::before {
  content: '';
  position: absolute;
  z-index: -1;
  inset: 0;
  background: radial-gradient(60% 70% at 80% 40%, rgba(238, 106, 31, 0.2), rgba(23, 17, 13, 0) 72%);
}

.lab-index__head {
  display: grid;
  grid-template-columns: minmax(0, var(--lab-measure)) minmax(0, 22rem);
  justify-content: space-between;
  align-items: end;
  gap: 2rem clamp(2rem, 5vw, 5rem);
}

.lab-index h1 {
  color: var(--lab-flame);
  font-size: clamp(3.75rem, 8vw, 6.5rem);
  font-style: italic;
  line-height: 1;
}

.lab-index__intro {
  margin-top: 1rem !important;
  font-size: clamp(1.25rem, 1.8vw, 1.45rem);
  line-height: 1.45;
}

.lab-entries {
  display: grid;
  margin: clamp(2.25rem, 4vw, 3.5rem) 0 0;
  padding: 0;
  border-top: 1px solid var(--colour-rule);
  list-style: none;
}

.lab-entry {
  display: grid;
  gap: 0.5rem;
  padding-block: 1.75rem;
  border-bottom: 1px solid var(--colour-rule);
}

.lab-entry time {
  color: var(--colour-muted);
  font-size: 1rem;
}

.lab-entry h2 {
  max-width: 54rem;
  font-size: clamp(1.9rem, 3.4vw, 2.75rem);
}

.lab-entry h2 a {
  text-decoration: none;
}

.lab-entry h2 a:hover {
  text-decoration: underline;
  text-decoration-color: var(--lab-ember);
}

.lab-entry p {
  max-width: var(--lab-measure);
  color: var(--colour-paper-soft);
}

@media (max-width: 62rem) {
  .lab-hero__body,
  .lab-index__head {
    grid-template-columns: minmax(0, 1fr);
  }

  .lab-hearth {
    width: min(100%, 27rem);
  }

  .habit {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 47.99rem) {
  .lab {
    font-size: 1.0625rem;
  }

  .lab-phrase {
    font-size: clamp(2.45rem, 11vw, 4.2rem);
  }

  .lab-question {
    font-size: clamp(1.8rem, 7.6vw, 2.6rem);
  }

  .wall {
    gap: 0.45rem;
    --wall-height: 1.2rem;
  }

  .wall-row {
    grid-template-columns: minmax(0, 1fr) auto;
    row-gap: 0.15rem;
  }

  .wall-cells {
    grid-column: 1 / -1;
    grid-row: 2;
    column-gap: 4px;
  }

  .wall-topic {
    gap: 1px;
  }

  .wall-head {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }

  .wall-group {
    margin-top: 0.6rem;
  }

  .reader {
    top: 68px;
  }

  .reader-opening {
    min-height: 3.7em;
  }

  .lab-table {
    font-size: 0.9375rem;
  }

  .lab-table th,
  .lab-table td {
    padding-right: 0.3rem;
  }

  .lab-table .num {
    width: 2.9rem;
    padding-left: 0.2rem;
  }

  .lab-table thead th {
    font-size: 0.8125rem;
  }

  .lab-fireline {
    height: 52px;
    background-size: 384px 52px;
  }
}

.lab-thumb-link {
  display: block;
  text-decoration: none;
  max-width: 34rem;
  margin-top: 0.75rem;
  line-height: 0;
}

.lab-thumb {
  display: block;
  width: 100%;
  height: auto;
}

.nb {
  white-space: nowrap;
}

/* The room inside BLURSOR's shell: dark tokens, the site's margin, and a header that belongs to the room. */
.page-lab {
  --colour-ink: #17110d;
  --colour-surface: #211812;
  --colour-paper: #fbf3e7;
  --colour-paper-soft: #cfc7bb;
  --colour-muted: #bfaf9b;
  --colour-rule: rgba(251, 243, 231, 0.16);
  background: #17110d;
  color: #fbf3e7;
}

html:has(.page-lab) {
  background: #17110d;
}

@media (prefers-reduced-motion: no-preference) {
  html:has(.page-lab) {
    scroll-behavior: smooth;
  }
}

.page-lab .shell {
  width: 100%;
  padding-inline: var(--bl-side);
}

.page-lab :focus-visible {
  outline: 2px solid #fbf3e7;
  outline-offset: 2px;
}

.page-lab .lab-sheet :focus-visible,
.page-lab .reader :focus-visible {
  outline-color: #1e1a17;
}

.page-lab .site-header,
.page-lab .site-header.is-scrolled {
  background: #17110d;
  box-shadow: 0 1px 0 rgba(251, 243, 231, 0.12);
  color: #fbf3e7;
}

.page-lab .site-header .site-header__side a,
.page-lab .site-header .site-header__logo {
  color: #fbf3e7;
}

.page-lab .site-header .site-header__side a:hover {
  color: #ffc25c;
}

.page-lab .site-header .site-header__bar,
.page-lab .site-header .site-header__dots {
  fill: currentColor;
}

/* The room ends at the footer: BLURSOR's own sand footer, with no gap above it. */
.page-lab .site-footer {
  margin-top: 0;
  background: #eeeae4;
}

.page-lab .site-footer a:hover {
  color: #1e1a17;
}

/* The Lab category page: the report's rhythm of room, fire line and paper. */
/* The italic T starts right of its box, so the box steps left and the ink sits on the margin. */
.lab .lab-home__title {
  margin-left: -0.094em;
  color: var(--lab-flame);
  font-size: clamp(4.75rem, 8.6vw, 8.5rem);
  font-style: italic;
  line-height: 1;
  letter-spacing: -0.02em;
}

.lab-home .lab-hero__body {
  margin-top: 0;
}

.lab-wink {
  display: inline-block;
  width: 24px;
  height: 24px;
  margin-left: 0.15em;
  vertical-align: -0.2em;
}

.lab-home__intro {
  display: grid;
  gap: clamp(1.25rem, 2.2vw, 2rem);
}

.lab-home .lab-entries {
  margin: 0;
}

.lab-home .lab-entry {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  align-items: center;
  gap: 2rem clamp(2.5rem, 6vw, 6rem);
  padding-block: clamp(1.75rem, 3vw, 2.5rem);
}

.lab-entry__text {
  display: grid;
  justify-items: start;
  gap: 0.85rem;
}

.lab-entry__meta {
  color: var(--colour-muted);
  font-size: 1rem;
}

.lab-home .lab-entry h3 {
  font-size: inherit;
}

.lab .lab-entry__link {
  display: grid;
  gap: 0.6rem;
  text-decoration: none;
}

.lab .lab-entry__link:hover {
  color: inherit;
}

/* The whole row is the link, so the wall opens the report too. */
.lab-entry__link::after {
  content: '';
  position: absolute;
  z-index: 1; /* The wall's hover filter lifts it, so the link has to stay above it. */
  inset: 0;
}

.page-lab .lab-entry__link:focus-visible {
  outline: none;
}

.page-lab .lab-entry__link:focus-visible::after {
  outline: 2px solid #fbf3e7;
  outline-offset: 2px;
}

.lab-entry__phrase {
  color: var(--lab-flame);
  font-size: clamp(2.2rem, 3.7vw, 3.4rem);
  font-style: italic;
  line-height: 1.08;
  letter-spacing: -0.015em;
}

.lab-entry__question {
  font-size: clamp(1.6rem, 2.3vw, 2.1rem);
  line-height: 1.15;
}

.lab-home .lab-entry__summary {
  max-width: 34rem;
  font-size: 1.125rem;
}

.lab-entry__more {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 2.75rem;
  color: var(--colour-paper);
  font-weight: 600;
}

.lab-entry__more svg {
  width: 1.05rem;
  height: auto;
  fill: none;
  stroke: var(--lab-ember);
  stroke-width: 1.3;
}

.lab-entry:hover .lab-entry__more span {
  text-decoration: underline;
  text-decoration-color: var(--lab-ember);
  text-underline-offset: 0.18em;
}

.lab-entry__wall {
  display: grid;
  gap: 0.75rem;
  margin: 0;
}

.lab-entry__wall .lab-thumb {
  transition: filter 400ms ease;
}

.lab-entry:hover .lab-thumb {
  filter: brightness(1.14);
}

.lab-entry__wall figcaption {
  color: var(--colour-muted);
  font-size: 1rem;
  line-height: 1.4;
}

.lab-principles {
  display: grid;
  /* The same columns as the experiments above, so the wall and the second column share an edge. */
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: 2rem clamp(2.5rem, 6vw, 6rem);
  margin: 0;
}

.lab-principles div {
  display: grid;
  align-content: start;
  gap: 0.4rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--lab-sheet-rule);
}

.lab-principles dt {
  font-family: var(--lab-display);
  font-size: clamp(1.45rem, 2.2vw, 1.8rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.lab-principles dd {
  margin: 0;
  color: var(--colour-paper-soft);
}

@media (max-width: 62rem) {
  .lab-home .lab-entry {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 47.99rem) {
  .lab .lab-home__title {
    font-size: clamp(4.5rem, 21vw, 7rem);
  }

  .lab-principles {
    grid-template-columns: minmax(0, 1fr);
  }

  .lab-entry__phrase {
    font-size: clamp(2rem, 8.6vw, 3rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .lab-entry__wall .lab-thumb {
    transition: none;
  }
}

/* The reader stays a slim bar: label and buttons on one row, the sentence under them.
   Two lines are always reserved, so the wall holds still while you move across it. */
.reader {
  top: 64px;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.1rem 1.5rem;
  margin-bottom: 1rem;
  padding: 0.45rem clamp(1rem, 1.8vw, 1.5rem) 0.6rem;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

.reader-meta {
  grid-column: 1;
  grid-row: 1;
  align-self: center;
  overflow: hidden;
  font-size: 0.875rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.reader-actions {
  grid-column: 2;
  grid-row: 1;
  flex-wrap: nowrap;
  gap: 0 0.9rem;
}

.reader-actions button {
  min-height: 2rem;
  font-size: 0.875rem;
}

.reader-opening {
  grid-column: 1 / -1;
  grid-row: 2;
  min-height: 2.5em;
  max-width: none;
  font-size: clamp(1.1rem, 1.55vw, 1.35rem);
  line-height: 1.25;
}

.reader-full {
  grid-column: 1 / -1;
  grid-row: 3;
  margin-top: 0.4rem;
}

@media (max-width: 47.99rem) {
  .reader {
    top: 56px;
    grid-template-columns: minmax(0, 1fr);
    padding: 0.5rem 0.9rem 0.1rem;
  }

  .reader-actions {
    grid-column: 1;
    grid-row: 3;
    justify-content: space-between;
    gap: 0;
  }

  .reader-actions button {
    min-height: 2.75rem;
    font-size: 0.9375rem;
  }

  .reader-opening {
    min-height: 3.75em;
    font-size: 1.0625rem;
  }

  .reader-full {
    grid-row: 4;
  }
}

/* Type: BLURSOR's light Hanken Grotesk is the site's voice. The serif appears only where
   the page quotes what an AI wrote, so seeing it means you are reading AI output. */
.lab {
  --lab-display: 'Hanken Lab', 'Hanken Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --lab-quote: 'Newsreader', Georgia, 'Times New Roman', serif;
}

.lab h1,
.lab h2 {
  font-weight: 300;
  letter-spacing: -0.015em;
}

.lab h2 {
  font-size: clamp(1.9rem, 3vw, 2.75rem);
  line-height: 1.12;
}

.lab h3 {
  font-size: clamp(1.35rem, 1.9vw, 1.7rem);
  font-weight: 400;
  letter-spacing: -0.008em;
  line-height: 1.2;
}

.lab-question {
  font-size: clamp(1.6rem, 2.5vw, 2.35rem);
  font-weight: 300;
  line-height: 1.15;
}

.lab .lab-home__title {
  margin-left: -0.03em;
  font-size: clamp(3.5rem, 6.4vw, 6.25rem);
  font-style: normal;
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: -0.025em;
}

.lab-entry__question {
  font-size: clamp(1.3rem, 1.75vw, 1.6rem);
  font-weight: 300;
  line-height: 1.2;
}

.lab-principles dt {
  font-size: clamp(1.25rem, 1.7vw, 1.5rem);
  font-weight: 400;
  letter-spacing: -0.008em;
}

.lab-phrase,
.lab-entry__phrase,
.habit-phrase {
  font-family: var(--lab-quote);
  font-style: italic;
  font-weight: 500;
  letter-spacing: -0.015em;
}

.lab-phrase {
  font-size: clamp(2.6rem, 5.3vw, 5.6rem);
  line-height: 1.08;
}

.lab-entry__phrase {
  font-size: clamp(2.2rem, 3.7vw, 3.4rem);
  line-height: 1.08;
}

.habit-phrase {
  font-size: clamp(1.6rem, 2.7vw, 2.3rem);
  line-height: 1.14;
}

.reader-opening {
  font-family: var(--lab-quote);
  font-size: clamp(1.1rem, 1.55vw, 1.35rem);
  line-height: 1.25;
}

.reader-opening mark {
  font-weight: 600;
}

@media (max-width: 47.99rem) {
  .lab-phrase {
    font-size: clamp(2.45rem, 11vw, 4.2rem);
  }

  .lab-question {
    font-size: clamp(1.5rem, 6.2vw, 2rem);
  }

  .lab .lab-home__title {
    font-size: clamp(3.25rem, 15vw, 5rem);
  }

  .lab-entry__phrase {
    font-size: clamp(2rem, 8.6vw, 3rem);
  }

  .reader-opening {
    min-height: 3.75em;
    font-size: 1.0625rem;
  }
}

/* The report reads as one centred column at a larger size. The hero, the wall and the list of
   openers stay wide, and everything written sits on the column's left edge. */
.lab-report {
  --lab-column: 46rem;
  font-size: 1.25rem;
}

.lab-report .lab-copy,
.lab-report .strips,
.lab-report .rules {
  max-width: none;
}

.lab-report .lab-heading,
.lab-report .wall-controls,
.lab-report .finding,
.lab-report .lab-section > .lab-copy,
.lab-report .books,
.lab-report .sheet-block,
.lab-report .downloads {
  width: 100%;
  max-width: var(--lab-column);
  margin-inline: auto;
}

.lab-report .downloads {
  margin-inline: auto !important;
}

.lab-report h2 {
  font-size: clamp(2.125rem, 3.4vw, 3.125rem);
}

.lab-report h3 {
  font-size: clamp(1.5rem, 2.2vw, 2rem);
}

.lab-report .lab-crumb,
.lab-report .lab-byline {
  font-size: 1.125rem;
}

.lab-report .lab-question {
  font-size: clamp(1.75rem, 2.8vw, 2.6rem);
}

.lab-report .lab-lead {
  font-size: clamp(1.375rem, 2vw, 1.625rem);
}

.lab-report .lab-lead .lab-byline {
  font-size: 1.125rem;
}

.lab-report .lab-jump {
  font-size: 1.375rem;
}

.lab-report .wall-chip {
  padding-inline: 0.85rem;
  font-size: 1.0625rem;
}

.lab-report .wall-search label,
.lab-report .wall-search input {
  font-size: 1.125rem;
}

.lab-report .wall-readout {
  font-size: 1.1875rem;
}

.lab-report .wall-head,
.lab-report .wall-group {
  font-size: 0.875rem;
}

.lab-report .wall-model,
.lab-report .wall-num {
  font-size: 1.0625rem;
}

.lab-report .reader-meta,
.lab-report .reader-actions button {
  font-size: 1rem;
}

.lab-report .reader-opening {
  font-size: clamp(1.25rem, 1.75vw, 1.5rem);
}

.lab-report .reader-full {
  font-size: 1.1875rem;
}

.lab-report .reader-prompt {
  font-size: 1.0625rem;
}

.lab-report .strip-label,
.lab-report .habit-who,
.lab-report .habit-light,
.lab-report .books-mark,
.lab-report .books-note,
.lab-report .downloads span {
  font-size: 1.125rem;
}

.lab-report .habit-example {
  font-size: 1.1875rem;
}

.lab-report .books-axis {
  font-size: 1.0625rem;
}

.lab-report .lab-table {
  font-size: 1.125rem;
}

.lab-report .lab-table caption {
  font-size: 1.125rem;
}

.lab-report .lab-table thead th,
.lab-report .lab-table .year {
  font-size: 1rem;
}

.lab-report .lab-table .group th {
  font-size: 0.875rem;
}

/* The base reset removes list markers, which left these lists indented for no visible reason. */
.lab-report .sheet-block > ol,
.lab-report .sheet-block > ul {
  max-width: none;
}

.lab-report .sheet-block > ol {
  padding-left: 2rem;
  list-style: decimal;
}

.lab-report .sheet-block > ul {
  padding-left: 1.25rem;
  list-style: disc;
}

/* One step of space between the hero and the first section, and none of the footer's to spare. */
.lab-report .lab-hero + .lab-section {
  padding-top: 0;
}

.lab-sheet .lab-section:last-child {
  padding-bottom: clamp(2.5rem, 4vw, 3.5rem);
}

@media (max-width: 47.99rem) {
  .lab-report {
    font-size: 1.125rem;
  }

  .lab-report .reader-opening {
    font-size: 1.125rem;
  }

  .lab-report .lab-table {
    font-size: 1rem;
  }

  .lab-report .lab-table thead th {
    font-size: 0.875rem;
  }

  .lab-report .lab-table .year {
    font-size: 0.875rem;
  }
}

/* Ten topic labels only fit side by side on a wide screen. Below that they stay for screen
   readers, as they do on phones, and the reader names the topic of each square. */
@media (max-width: 77.99rem) {
  .lab-report .wall-head {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }
}

@media (min-width: 48rem) {
  .lab-report .lab-table .num {
    width: 5.25rem;
  }
}