:root {
  color-scheme: light;
  --paper: #f4f5f1;
  --ink: #191817;
  --muted: #69645d;
  --line: #cfd5cc;
  --surface: #fffefa;
  --surface-strong: #ffffff;
  --surface-alt: #e7eee7;
  --accent-red: #a53b31;
  --accent-blue: #24566e;
  --accent-green: #4d6846;
  --accent-gold: #9a762b;
  --shadow: 0 16px 40px rgba(25, 24, 23, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  color: var(--ink);
  font-family: ui-serif, Georgia, "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", serif;
}

body {
  margin: 0;
  min-height: 100vh;
  font-size: 16px;
  line-height: 1.65;
}

a {
  color: var(--accent-blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent-red);
}

code,
pre,
select,
button {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 10;
  padding: 0.55rem 0.75rem;
  background: var(--ink);
  color: var(--surface);
  transform: translateY(-140%);
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.1rem 1.25rem;
  border-bottom: 2px solid var(--ink);
}

.brand {
  flex: 0 0 auto;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 800;
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem 0.9rem;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.92rem;
  text-decoration: none;
}

.site-nav a[aria-current="page"],
.site-nav a:hover {
  color: var(--accent-red);
}

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}

.home-hero,
.archive-hero {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.75fr);
  gap: 2rem;
  align-items: end;
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--accent-red);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
}

h1 {
  max-width: 920px;
  font-size: 4rem;
}

h2 {
  font-size: 1.75rem;
}

h3 {
  font-size: 1.45rem;
}

.lead {
  max-width: 680px;
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: 1.16rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--ink);
  border: 1px solid var(--ink);
  box-shadow: var(--shadow);
}

.stat-grid.compact {
  max-width: 520px;
  margin-top: 1.5rem;
}

.stat-grid div {
  min-height: 6.25rem;
  padding: 1rem;
  background: var(--surface);
}

.stat-grid dt {
  color: var(--muted);
  font-size: 0.82rem;
}

.stat-grid dd {
  margin: 0.4rem 0 0;
  color: var(--ink);
  font-size: 1.25rem;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.section-block,
.info-strip,
.archive-panel {
  padding: 2.6rem 0 0;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.entry-list,
.archive-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.latest-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.entry-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto auto;
  gap: 0.7rem;
  align-items: center;
  min-height: 3.4rem;
  padding: 0.85rem 1rem;
  background: var(--surface-strong);
}

.entry-line a,
.archive-entry-main a {
  min-width: 0;
  color: var(--ink);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.entry-category,
.date-label {
  color: var(--muted);
  font-size: 0.9rem;
  white-space: nowrap;
}

.date-unknown {
  color: var(--muted);
}

.file-badge,
.type-chip {
  display: inline-grid;
  place-items: center;
  min-width: 3.2rem;
  min-height: 1.7rem;
  padding: 0.15rem 0.55rem;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: var(--surface-alt);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1;
}

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

.category-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 100%;
  padding: 1.2rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.category-card h3 a {
  color: var(--ink);
  text-decoration: none;
}

.category-card h3 a:hover {
  color: var(--accent-red);
}

.category-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.8rem;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.78rem;
}

.type-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.category-card .entry-line {
  grid-template-columns: minmax(0, 1fr) auto;
  min-height: 0;
  padding: 0.55rem 0;
  border-top: 1px solid var(--line);
  background: transparent;
}

.category-card .entry-line:first-child {
  border-top: 0;
}

.category-card .date-label {
  display: none;
}

.info-panel {
  background: var(--ink);
  color: var(--surface);
  border-radius: 8px;
  overflow: hidden;
}

.info-panel summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: 800;
}

.info-panel summary::-webkit-details-marker {
  display: none;
}

.info-panel a {
  color: #9ed2e4;
}

.info-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.4fr 0.8fr;
  gap: 1px;
  background: rgba(255, 255, 255, 0.22);
}

.info-grid section {
  min-width: 0;
  padding: 1.2rem;
  background: #20201e;
}

.info-grid h2 {
  margin-bottom: 0.8rem;
  color: var(--surface);
  font-size: 1rem;
}

.info-grid p {
  margin: 0.35rem 0;
}

.info-grid pre {
  max-width: 100%;
  margin: 0;
  overflow: auto;
  white-space: pre-wrap;
}

.archive-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.filter-pill,
.sort-control select {
  min-height: 2.4rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--ink);
  font-size: 0.9rem;
}

.filter-pill {
  min-width: 4.5rem;
  padding: 0 0.85rem;
  cursor: pointer;
}

.filter-pill.is-active {
  background: var(--accent-green);
  color: var(--surface-strong);
  border-color: var(--accent-green);
}

.sort-control {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--muted);
  font-size: 0.9rem;
  white-space: nowrap;
}

.sort-control select {
  min-width: 8rem;
  padding: 0 0.75rem;
}

.result-line {
  margin: 1rem 0;
  color: var(--muted);
}

.archive-list {
  display: grid;
  gap: 0.75rem;
}

.archive-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.65fr);
  gap: 1rem;
  align-items: center;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.archive-entry[hidden] {
  display: none;
}

.archive-entry-main {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.entry-dates {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0;
}

.entry-dates div {
  min-width: 0;
}

.entry-dates dt {
  color: var(--muted);
  font-size: 0.78rem;
}

.entry-dates dd {
  margin: 0.2rem 0 0;
  font-weight: 800;
}

.site-footer {
  max-width: 1180px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

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

@media (max-width: 980px) {
  h1 {
    font-size: 3rem;
  }

  .hero-grid,
  .category-grid,
  .info-grid {
    grid-template-columns: 1fr;
  }

  .latest-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  main {
    padding-inline: 1rem;
  }

  .home-hero,
  .archive-hero {
    padding: 2.8rem 0 2.2rem;
  }

  h1 {
    font-size: 2.45rem;
  }

  .stat-grid,
  .stat-grid.compact {
    grid-template-columns: 1fr;
  }

  .section-heading,
  .archive-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .sort-control,
  .sort-control select {
    width: 100%;
  }

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

  .entry-category,
  .date-label {
    grid-column: 1 / -1;
    white-space: normal;
  }

  .archive-entry {
    grid-template-columns: 1fr;
  }

  .archive-entry-main {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 430px) {
  body {
    font-size: 15px;
  }

  h1 {
    font-size: 2.1rem;
  }

  .filter-pill {
    min-width: 0;
  }

  .entry-dates {
    grid-template-columns: 1fr;
  }
}