:root {
  --paper: #F3EFE6;
  --ink: #1A1A17;
  --orange: #E4572E;
  --unknown: #8A867C;
  --pass: #2E7D4F;
  --fail: #C0392B;
  --expired: #D9A21B;
  --line: rgba(26, 26, 23, 0.88);
  --soft: rgba(26, 26, 23, 0.16);
  --serif: "Noto Serif SC", "Iowan Old Style", Palatino, "Palatino Linotype", "Songti SC", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Noto Sans", "Source Han Sans SC", sans-serif;
  --mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;
  color-scheme: light;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, rgba(26, 26, 23, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(26, 26, 23, 0.045) 1px, transparent 1px);
  background-size: 28px 28px;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
}

.page {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 40px 48px;
}

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip {
  position: absolute;
  left: 16px;
  top: -48px;
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 6px 10px;
  z-index: 3;
}

.skip:focus { top: 12px; }

.topbar {
  display: flex;
  align-items: baseline;
  gap: 18px 28px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.nav a,
.nav button {
  font: inherit;
  letter-spacing: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  text-decoration: none;
}

.slash { opacity: 0.55; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px 36px;
  align-items: end;
  padding-top: 28px;
}

h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 72px;
  line-height: 0.96;
  letter-spacing: -0.035em;
}

.tagline {
  margin: 12px 0 0;
  font-size: 17px;
  line-height: 1.45;
}

.hero-counts {
  border-left: 1px solid var(--line);
  padding: 2px 4px 4px 28px;
  min-width: 250px;
}

.count-main,
.count-sub { margin: 0; }

.count-main {
  font-size: 18px;
  letter-spacing: 0.01em;
}

.count-main strong {
  font-family: var(--mono);
  font-size: 32px;
  font-weight: 500;
  letter-spacing: -0.03em;
  margin-left: 6px;
}

.count-sep { margin: 0 4px; }

.count-sub {
  margin-top: 8px;
  font-size: 14px;
  color: #3a3832;
}

.count-sub strong {
  font-family: var(--mono);
  font-weight: 500;
}

.data-error {
  margin: 16px 0 0;
  border: 1px solid var(--fail);
  color: var(--fail);
  padding: 10px 12px;
}

.latest {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 20px;
  margin-top: 26px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.latest-main {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  min-width: 0;
}

.latest-label {
  font-weight: 700;
}

.latest-label::after {
  content: "";
  display: inline-block;
  width: 1px;
  height: 0.9em;
  margin-left: 14px;
  background: var(--ink);
  vertical-align: -0.08em;
}

#latest-body {
  font-family: var(--mono);
  font-size: 14px;
}

.latest a {
  font-family: var(--mono);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
}

.grid-section {
  margin-top: 22px;
  text-align: center;
}

.grid-fallback {
  margin: 28px 0;
  color: var(--unknown);
  font-family: var(--mono);
}

.grid-layout { display: block; }

.board {
  --cell: 36px;
  --gap: 4px;
  display: grid;
  grid-template-columns: repeat(10, var(--cell));
  gap: var(--gap);
  width: max-content;
  margin: 18px auto 0;
}

.cell {
  width: var(--cell);
  height: var(--cell);
  box-sizing: border-box;
  position: relative;
  display: block;
}

.mark {
  width: 14px;
  height: 14px;
  box-sizing: border-box;
  display: inline-block;
  flex: none;
}

.cell.empty,
.mark.empty {
  background: #FBF9F4;
  border: 1px solid rgba(26, 26, 23, 0.38);
}

.cell.candidate,
.mark.candidate {
  background: transparent;
  border: 1.5px solid #E7A08C;
}

.cell.developing,
.mark.developing {
  background: var(--orange);
  border: 1px solid var(--orange);
}

.cell.live,
.mark.live {
  background: var(--pass);
  border: 1px solid var(--pass);
}

.cell.archived,
.mark.archived {
  background: var(--unknown);
  border: 1px solid var(--unknown);
}

.cell.expired,
.mark.expired {
  border: 1px solid var(--expired);
  background: repeating-linear-gradient(
    -45deg,
    var(--expired),
    var(--expired) 1px,
    rgba(243, 239, 230, 0.96) 1px,
    rgba(243, 239, 230, 0.96) 3px
  );
}

.cell.neutral {
  background: transparent;
  border: 1px dashed var(--unknown);
}

.cell.empty { cursor: default; }
a.cell { cursor: pointer; text-decoration: none; }

.num {
  display: none;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  pointer-events: none;
}

.cell:hover .num,
.cell:focus-visible .num,
.cell.is-selected .num { display: flex; }

.cell.developing .num,
.cell.live .num,
.cell.archived .num { color: var(--paper); }

.cell:hover,
.cell:focus-visible,
.cell.is-selected {
  outline: 2px solid var(--ink);
  outline-offset: 1px;
  z-index: 1;
}

.grid-kicker,
.grid-summary,
.slot-detail { display: none; }

.grid-kicker {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.grid-summary {
  margin: 14px 0 0;
  font-family: var(--mono);
  font-size: 15px;
}

.readout-stat {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.readout-stat strong {
  font-family: var(--mono);
  font-size: 34px;
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
}

.readout-stat span {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: #3c3a34;
}

.slot-detail { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--soft); }

.slot-prompt,
.slot-note { margin: 8px 0 0; color: #3c3a34; }

.slot-status {
  margin: 10px 0 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.slot-id {
  margin: 0;
  font-family: var(--serif);
  font-size: 42px;
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.slot-name { margin: 8px 0 0; font-size: 18px; }

.slot-line { margin: 4px 0 0; font-size: 14px; }

.slot-open {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 13px;
}

.tip {
  display: none;
  position: absolute;
  left: 50%;
  bottom: calc(100% + 6px);
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.4;
  padding: 3px 6px;
  white-space: nowrap;
  pointer-events: none;
  z-index: 2;
}

a.cell:hover .tip,
a.cell:focus-visible .tip { display: block; }

.legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 16px;
  list-style: none;
  padding: 0;
  margin: 16px auto 0;
  max-width: 760px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.01em;
}

.legend li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hint {
  margin: 10px 0 0;
  font-size: 14px;
  color: #3c3a34;
}

@media (min-width: 1024px) {
  .grid-section { text-align: left; }

  .grid-layout {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: 48px;
    align-items: stretch;
  }

  .board { margin: 0; }

  .grid-side {
    display: flex;
    flex-direction: column;
    min-width: 0;
    border-left: 1px solid var(--line);
    padding: 4px 8px 4px 32px;
  }

  .grid-kicker,
  .slot-detail { display: block; }

  .grid-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px 18px;
  }

  .legend {
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-content: start;
    gap: 8px 20px;
    margin: 20px 0 0;
    max-width: none;
  }

  .hint {
    text-align: left;
    margin-top: 16px;
  }
}

.block {
  margin-top: 42px;
  scroll-margin-top: 16px;
}

h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.projects-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
}

.search input {
  font: inherit;
  font-size: 14px;
  color: inherit;
  width: 210px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: transparent url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none' stroke='%231A1A17' stroke-width='1.4'><circle cx='7' cy='7' r='4.2'/><path d='M10.2 10.2L13 13'/></svg>") 12px 50% no-repeat;
  padding: 7px 14px 7px 34px;
}

.search input::placeholder { color: var(--unknown); }

.bar-rule {
  width: 1px;
  align-self: stretch;
  min-height: 28px;
  background: var(--ink);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filters button {
  font: inherit;
  font-size: 14px;
  color: inherit;
  background: transparent;
  border: 1px solid rgba(26, 26, 23, 0.55);
  border-radius: 999px;
  padding: 5px 12px;
  cursor: pointer;
}

.filters button[aria-pressed="true"] {
  border-color: var(--orange);
  color: var(--orange);
}

.card {
  margin-top: 16px;
  border: 1px solid var(--ink);
  padding: 20px 22px 16px;
}

.card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.card h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.tag {
  border: 1px solid var(--orange);
  color: var(--orange);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  padding: 2px 8px;
  white-space: nowrap;
}

.summary {
  margin: 10px 0 0;
  overflow-wrap: anywhere;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 0;
  margin: 14px 0 0;
  font-size: 14px;
}

.sep { margin: 0 8px; }

.pill {
  display: inline-block;
  border: 1px solid rgba(26, 26, 23, 0.45);
  padding: 0 8px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
}

.pill.pass { color: var(--pass); border-color: var(--pass); }
.pill.accent { color: var(--orange); border-color: var(--orange); }
.pill.fail { color: var(--fail); border-color: var(--fail); }
.pill.expired {
  color: #7a5a10;
  border-color: var(--expired);
  background: repeating-linear-gradient(
    -45deg,
    rgba(217, 162, 27, 0.45),
    rgba(217, 162, 27, 0.45) 1px,
    transparent 1px,
    transparent 3px
  );
}
.pill.unknown,
.tone-unknown { color: var(--unknown); }
.tone-fail { color: var(--fail); }
.tone-expired { color: #7a5a10; }
.tone-pass { color: var(--pass); }
.tone-accent { color: var(--orange); }

.meta a { text-decoration: underline; text-underline-offset: 3px; }

.evidence {
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  color: #3c3a34;
}

.next {
  margin: 28px 0 0;
  text-align: center;
  color: #3c3a34;
}

.log-entry {
  padding: 14px 0;
  border-bottom: 1px solid var(--soft);
}

.log-entry h3 {
  margin: 4px 0 0;
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 500;
}

.log-kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.log-entry p { margin: 6px 0 0; }

.method-list {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
}

.method-list li {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 8px 12px;
  padding: 14px 0;
  border-top: 1px solid var(--soft);
}

.method-no {
  font-family: var(--mono);
  font-size: 13px;
  padding-top: 6px;
}

.method-list h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
}

.method-list p { margin: 4px 0 0; }

.footer {
  display: flex;
  justify-content: space-between;
  gap: 12px 24px;
  margin-top: 42px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.footer p { margin: 0; }

.missing { padding-top: 48px; }

.missing h1 {
  font-size: 56px;
}

.missing a { font-family: var(--mono); }

@media (max-width: 720px) {
  .page { padding: 18px 16px 36px; }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .nav { margin-left: 0; }

  .hero { display: block; }

  h1 { font-size: 40px; }

  .hero-counts {
    border-left: 0;
    border-top: 1px solid var(--line);
    margin-top: 16px;
    padding: 14px 0 0;
    min-width: 0;
  }

  .latest { flex-wrap: wrap; }
  .latest a { margin-left: 0; }

  .board {
    width: min(100%, 320px);
    grid-template-columns: repeat(10, minmax(0, 1fr));
  }

  .cell {
    width: auto;
    height: auto;
    aspect-ratio: 1;
  }

  .projects-bar { align-items: stretch; }
  .bar-rule { display: none; }
  .search { width: 100%; }
  .search input { width: 100%; font-size: 16px; }

  .card { padding: 16px; }
  .card h3 { font-size: 22px; }

  .method-list li { grid-template-columns: 42px minmax(0, 1fr); }

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

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