:root {
  --paper: #f2efe7;
  --paper-deep: #e7e1d4;
  --ink: #171714;
  --muted: #6f6b62;
  --line: #b8b1a3;
  --accent: #e64b28;
  --signal: #d8ff5b;
  --white: #fffefa;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --sans: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--paper);
  color: var(--ink);
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, transparent 0 49.9%, rgb(23 23 20 / 4%) 50%, transparent 50.1%),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.5;
}

a {
  color: inherit;
}

button,
input {
  color: inherit;
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  inset: 1rem auto auto 1rem;
  z-index: 20;
  padding: 0.7rem 0.9rem;
  transform: translateY(-180%);
  border: 1px solid var(--ink);
  background: var(--signal);
  font-family: var(--mono);
  font-size: 0.75rem;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header,
.site-footer,
.hero,
.collection,
.prompt-page {
  width: min(100% - 2.5rem, 84rem);
  margin-inline: auto;
}

.site-header {
  display: flex;
  min-height: 5.2rem;
  align-items: center;
  justify-content: space-between;
  border-block-end: 1px solid var(--ink);
}

.wordmark {
  display: inline-flex;
  gap: 0.8rem;
  align-items: center;
  text-decoration: none;
}

.wordmark span {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: -0.08em;
}

.wordmark strong {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
}

.site-header nav {
  display: flex;
  gap: clamp(1rem, 3vw, 2.5rem);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-header nav a,
.site-footer a {
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25rem;
}

.hero {
  min-height: clamp(35rem, 78vh, 49rem);
  padding-block: 2rem 5rem;
  border-block-end: 1px solid var(--ink);
}

.hero-kicker,
.result-line {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-layout {
  display: grid;
  min-height: 31rem;
  grid-template-columns: minmax(0, 1.5fr) minmax(17rem, 0.5fr);
  gap: clamp(2rem, 8vw, 8rem);
  align-items: end;
}

.hero h1 {
  max-width: 8ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(5.4rem, 13vw, 11.5rem);
  font-weight: 400;
  letter-spacing: -0.075em;
  line-height: 0.68;
}

.hero h1 span {
  display: block;
  margin-inline-start: 0.62em;
  color: var(--accent);
  font-style: italic;
}

.hero-copy {
  padding-block-end: 0.6rem;
}

.hero-copy p {
  max-width: 27rem;
  margin: 0 0 2rem;
  font-family: var(--serif);
  font-size: clamp(1.18rem, 1.8vw, 1.55rem);
  line-height: 1.45;
}

.hero-copy a,
.back-link,
.source-link {
  display: inline-flex;
  gap: 1rem;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.73rem;
  letter-spacing: 0.07em;
  text-decoration: none;
  text-transform: uppercase;
}

.hero-copy a {
  padding-block-end: 0.35rem;
  border-block-end: 1px solid var(--ink);
}

.collection {
  padding-block: clamp(5rem, 10vw, 8rem);
}

.collection-heading {
  display: grid;
  margin-block-end: 2.5rem;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 29rem);
  gap: 3rem;
  align-items: end;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.69rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.collection h2 {
  max-width: 14ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.7rem, 6vw, 5.4rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.93;
}

.search-control {
  display: grid;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.search-input {
  display: flex;
  align-items: center;
  border-block-end: 1px solid var(--ink);
}

.search-input input {
  width: 100%;
  padding: 0.75rem 0;
  border: 0;
  outline: 0;
  background: transparent;
  font-family: var(--serif);
  font-size: 1.12rem;
  text-transform: none;
}

.search-input kbd {
  padding: 0.1rem 0.38rem;
  border: 1px solid var(--line);
  border-radius: 0.2rem;
  color: var(--muted);
  font: inherit;
}

.filter-bar {
  display: flex;
  margin-block-end: 1.25rem;
  gap: 0.55rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.filter-button,
.reader-actions button,
.reader-actions a {
  flex: 0 0 auto;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: transparent;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
}

.filter-button:hover,
.filter-button.is-active {
  background: var(--ink);
  color: var(--paper);
}

.result-line {
  padding-block: 1rem;
  border-block: 1px solid var(--line);
}

.prompt-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.prompt-card {
  min-width: 0;
  border-inline-end: 1px solid var(--line);
  border-block-end: 1px solid var(--line);
}

.prompt-card:nth-child(3n + 1) {
  border-inline-start: 1px solid var(--line);
}

.prompt-card[hidden] {
  display: none;
}

.prompt-card a {
  display: grid;
  min-height: 25rem;
  padding: 1.35rem;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto 1fr auto auto;
  gap: 1rem;
  text-decoration: none;
  transition: background 180ms ease, transform 180ms ease;
}

.prompt-card a:hover {
  position: relative;
  z-index: 2;
  background: var(--white);
  box-shadow: 0 0 0 1px var(--ink);
  transform: translateY(-0.35rem);
}

.prompt-card.is-featured a {
  background: var(--signal);
}

.card-index,
.card-category,
.card-action {
  font-family: var(--mono);
  font-size: 0.67rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.card-category {
  color: var(--muted);
  text-align: right;
}

.prompt-card h3 {
  max-width: 13ch;
  margin: 2rem 0 0;
  grid-column: 1 / -1;
  align-self: end;
  font-family: var(--serif);
  font-size: clamp(2rem, 3vw, 3.1rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.96;
}

.prompt-card p {
  margin: 0;
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.6;
}

.card-action {
  display: flex;
  margin-block-start: 0.5rem;
  grid-column: 1 / -1;
  justify-content: space-between;
  border-block-start: 1px solid currentcolor;
  padding-block-start: 0.85rem;
}

.empty-state {
  margin: 3rem 0 0;
  padding: 2rem;
  border: 1px dashed var(--line);
  color: var(--muted);
  text-align: center;
}

.prompt-hero {
  padding-block: 2rem clamp(4rem, 8vw, 7rem);
  border-block-end: 1px solid var(--ink);
}

.back-link {
  margin-block-end: clamp(4rem, 10vw, 8rem);
}

.prompt-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(18rem, 0.55fr);
  gap: clamp(2rem, 8vw, 8rem);
  align-items: end;
}

.prompt-hero h1 {
  max-width: 15ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3.8rem, 8vw, 7.5rem);
  font-weight: 400;
  letter-spacing: -0.065em;
  line-height: 0.86;
}

.prompt-summary > p {
  margin: 0 0 2.5rem;
  font-family: var(--serif);
  font-size: 1.25rem;
  line-height: 1.5;
}

.prompt-summary dl {
  display: grid;
  margin: 0;
  grid-template-columns: repeat(3, 1fr);
  border-block-start: 1px solid var(--line);
}

.prompt-summary dl div {
  padding-block-start: 0.65rem;
}

.prompt-summary dt,
.prompt-summary dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.64rem;
}

.prompt-summary dt {
  color: var(--muted);
  text-transform: uppercase;
}

.prompt-summary dd {
  margin-block-start: 0.3rem;
}

.prompt-workspace {
  display: grid;
  padding-block: clamp(4rem, 8vw, 7rem);
  grid-template-columns: minmax(12rem, 0.24fr) minmax(0, 0.76fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.prompt-meta {
  position: sticky;
  inset-block-start: 2rem;
}

.prompt-meta > p:not(.eyebrow, .source-path) {
  max-width: 16rem;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 1.08rem;
}

.source-link {
  margin-block: 1.5rem;
  padding-block-end: 0.35rem;
  border-block-end: 1px solid var(--ink);
}

.source-path {
  overflow-wrap: anywhere;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.64rem;
}

.prompt-reader {
  min-width: 0;
  border: 1px solid var(--ink);
  background: var(--white);
  box-shadow: 0.8rem 0.8rem 0 var(--paper-deep);
}

.reader-toolbar {
  display: flex;
  min-height: 4.2rem;
  padding: 0.8rem 1rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-block-end: 1px solid var(--ink);
  background: var(--paper);
}

.reader-toolbar p,
.reader-toolbar span {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.67rem;
  text-transform: uppercase;
}

.reader-toolbar span {
  color: var(--muted);
}

.reader-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.reader-actions button,
.reader-actions a {
  padding: 0.45rem 0.7rem;
  background: var(--white);
}

.reader-actions .copy-button {
  background: var(--ink);
  color: var(--white);
}

.reader-actions button:hover,
.reader-actions a:hover {
  background: var(--signal);
  color: var(--ink);
}

.prompt-code {
  max-height: min(70rem, 78vh);
  margin: 0;
  padding: clamp(1.2rem, 3vw, 2.5rem);
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  tab-size: 2;
}

.prompt-code.is-unwrapped {
  white-space: pre;
  overflow-wrap: normal;
}

.prompt-code code {
  font-family: var(--mono);
  font-size: clamp(0.73rem, 1vw, 0.85rem);
  line-height: 1.72;
}

.copy-status {
  min-height: 2.2rem;
  margin: 0;
  padding: 0.6rem 1rem;
  border-block-start: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.65rem;
}

.site-footer {
  display: flex;
  min-height: 9rem;
  padding-block: 2rem;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  border-block-start: 1px solid var(--ink);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
}

@media (max-width: 920px) {
  .hero-layout,
  .collection-heading,
  .prompt-hero-grid,
  .prompt-workspace {
    grid-template-columns: 1fr;
  }

  .hero-layout {
    min-height: 34rem;
  }

  .hero h1 {
    align-self: center;
  }

  .hero-copy {
    max-width: 32rem;
  }

  .prompt-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .prompt-card:nth-child(3n + 1) {
    border-inline-start: 0;
  }

  .prompt-card:nth-child(2n + 1) {
    border-inline-start: 1px solid var(--line);
  }

  .prompt-meta {
    position: static;
  }
}

@media (max-width: 620px) {
  .site-header,
  .site-footer,
  .hero,
  .collection,
  .prompt-page {
    width: min(100% - 1.5rem, 84rem);
  }

  .site-header nav a:last-child {
    display: none;
  }

  .hero {
    min-height: 38rem;
    padding-block-end: 3rem;
  }

  .hero-kicker span:last-child,
  .result-line span:last-child {
    display: none;
  }

  .hero-layout {
    min-height: 31rem;
    gap: 2rem;
  }

  .hero h1 {
    font-size: clamp(4.6rem, 26vw, 7rem);
  }

  .collection {
    padding-block: 4rem;
  }

  .prompt-grid {
    grid-template-columns: 1fr;
  }

  .prompt-card,
  .prompt-card:nth-child(2n + 1) {
    border-inline-start: 1px solid var(--line);
  }

  .prompt-card a {
    min-height: 21rem;
  }

  .prompt-hero {
    padding-block-end: 4rem;
  }

  .back-link {
    margin-block-end: 4rem;
  }

  .prompt-hero h1 {
    font-size: clamp(3.4rem, 16vw, 5rem);
  }

  .prompt-summary dl {
    gap: 0.5rem;
  }

  .reader-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .reader-actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .reader-actions button,
  .reader-actions a {
    flex: 1 1 auto;
    text-align: center;
  }

  .prompt-code {
    max-height: none;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}