:root {
  --paper: #f7f4ec;
  --paper-deep: #efe7d8;
  --ink: #111514;
  --muted: #5f6965;
  --line: rgba(17, 21, 20, 0.16);
  --line-strong: rgba(17, 21, 20, 0.3);
  --accent: #1b7f5d;
  --accent-soft: rgba(27, 127, 93, 0.1);
  --shadow: 0 12px 30px rgba(17, 21, 20, 0.06);
  --content-width: 960px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Mono", monospace;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.4), transparent 30%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-deep) 100%);
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

code {
  padding: 0.1rem 0.3rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.45);
}

.shell {
  width: min(calc(100% - 1.5rem), var(--content-width));
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.masthead {
  padding: 1.2rem 0 2rem;
  border-bottom: 1px dashed var(--line-strong);
}

.masthead__kicker,
.results-summary,
.controls__hint,
.category-block__header p,
.site-footer,
.site-footer p {
  color: var(--muted);
}

.masthead__kicker,
.controls__hint,
.category-block__header p {
  margin: 0;
  font-size: 0.9rem;
}

.masthead h1,
.feedback h2,
.category-block__header h2 {
  margin: 0;
  font-size: clamp(1.7rem, 4vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.04em;
}

.masthead__lede {
  max-width: 42rem;
  margin: 0.9rem 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.masthead__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

.ascii-button,
.category-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.3rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
  text-decoration: none;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease,
    color 160ms ease;
}

.ascii-button:hover,
.ascii-button:focus-visible,
.category-pill:hover,
.category-pill:focus-visible {
  transform: translateX(3px);
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.9);
  color: var(--accent);
}

.masthead__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  margin: 1.5rem 0 0;
}

.masthead__stats div {
  display: flex;
  gap: 0.55rem;
}

.masthead__stats dt {
  color: var(--muted);
}

.masthead__stats dd {
  margin: 0;
  font-weight: 600;
}

.controls {
  padding: 1.2rem 0 1.4rem;
  border-bottom: 1px dashed var(--line);
}

.search-field {
  display: grid;
  gap: 0.55rem;
}

.search-field span {
  color: var(--muted);
  font-size: 0.92rem;
}

.search-field input {
  width: 100%;
  min-height: 2.8rem;
  padding: 0 0.85rem;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.7);
  outline: none;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    background-color 160ms ease;
}

.search-field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  background: rgba(255, 255, 255, 0.95);
}

.results-summary {
  margin: 0.85rem 0 0;
}

.controls__hint {
  margin-top: 0.55rem;
}

.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.category-pill {
  cursor: pointer;
  font-family: inherit;
}

.category-pill.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.archive {
  padding-top: 1.3rem;
}

.feedback {
  padding: 1rem;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.55);
}

.feedback p {
  margin: 0.55rem 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.feedback--empty {
  margin-top: 1rem;
}

.category-stack {
  display: grid;
  gap: 1.3rem;
}

.category-block {
  padding-top: 1rem;
  border-top: 1px dashed var(--line);
}

.category-block__header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
}

.category-block__header h2 {
  font-size: clamp(1rem, 2vw, 1.25rem);
}

.link-list {
  display: grid;
  gap: 0.55rem;
  margin-top: 0.85rem;
}

.ascii-link {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem;
  align-items: start;
  padding: 0.65rem 0.8rem;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.38);
  text-decoration: none;
  box-shadow: var(--shadow);
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease;
}

.ascii-link:hover,
.ascii-link:focus-visible {
  transform: translateX(4px);
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.86);
}

.ascii-link__lead {
  color: var(--accent);
  font-weight: 600;
  transition: transform 160ms ease;
}

.ascii-link:hover .ascii-link__lead,
.ascii-link:focus-visible .ascii-link__lead {
  transform: translateX(2px);
}

.ascii-link__content {
  display: grid;
  gap: 0.16rem;
}

.ascii-link__title {
  font-weight: 600;
}

.ascii-link__meta,
.ascii-link__note {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.site-footer {
  display: grid;
  gap: 0.35rem;
  padding-top: 1.6rem;
  border-top: 1px dashed var(--line-strong);
  margin-top: 1.8rem;
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
  line-height: 1.7;
}

@media (max-width: 720px) {
  .shell {
    width: min(calc(100% - 1rem), var(--content-width));
    padding-top: 1.2rem;
  }

  .masthead__stats {
    display: grid;
    gap: 0.5rem;
  }

  .masthead__stats div {
    justify-content: space-between;
  }

  .ascii-link {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}