:root {
  --bg: #070b08;
  --panel: #0c120e;
  --line: #4e8a58;
  --text: #d5edd6;
  --dim: #739176;
  --accent: #b6ffc4;
  --select-bg: #b6ffc4;
  --select-fg: #070b08;
  --shadow: #031006;
  --font: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
}

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

[hidden] { display: none !important; }

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.4;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgb(0 0 0 / 0.12) 0 1px,
    transparent 1px 3px
  );
  z-index: 5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.stage {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem 3rem;
}

.brand {
  margin: 0 0 1.25rem;
  color: var(--dim);
  font-weight: 400;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: lowercase;
}

.panel {
  width: min(38rem, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: 6px 6px 0 var(--shadow);
  position: relative;
  padding: 1.35rem 0 0;
}

.panel--wide { width: min(46rem, 100%); }

.panel__title {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
  padding: 0 0.7rem;
  background: var(--panel);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: lowercase;
  white-space: nowrap;
}

.menu {
  display: flex;
  flex-direction: column;
  padding: 0.35rem 0.45rem 0.55rem;
}

.menu a {
  display: grid;
  grid-template-columns: 1.25rem 2.2rem 11ch 1fr;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.5rem 0.7rem;
  color: var(--text);
  text-decoration: none;
  outline: none;
}

.menu a:hover,
.menu a:focus-visible,
.menu a.is-selected {
  background: var(--select-bg);
  color: var(--select-fg);
  text-decoration: none;
}

.menu .tick {
  color: var(--accent);
  visibility: hidden;
}

.menu a.is-selected .tick,
.menu a:hover .tick,
.menu a:focus-visible .tick {
  visibility: visible;
  color: inherit;
}

.menu .idx { color: var(--dim); }
.menu a.is-selected .idx,
.menu a:hover .idx,
.menu a:focus-visible .idx { color: inherit; }

.menu .name { font-weight: 600; }
.menu .hint {
  color: var(--dim);
  font-size: 0.85rem;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.menu a.is-selected .hint,
.menu a:hover .hint,
.menu a:focus-visible .hint { color: inherit; opacity: 0.72; }

.status {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 0;
  padding: 0.4rem 0.9rem;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 0.75rem;
}

.cursor {
  display: none;
  width: 0.55ch;
  height: 1.05em;
  margin-left: 0.15rem;
  background: var(--select-fg);
  vertical-align: -0.15em;
  animation: blink 1.1s steps(1) infinite;
}

.menu a.is-selected .cursor,
.menu a:hover .cursor,
.menu a:focus-visible .cursor { display: inline-block; }

@keyframes blink {
  50% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .cursor { animation: none; }
  body::before { display: none; }
}

/* inner pages */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 1rem 3rem;
}

.topbar {
  width: min(46rem, 100%);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.25rem;
  color: var(--dim);
  font-size: 0.85rem;
}

.tabs {
  width: min(46rem, 100%);
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border: 1px solid var(--line);
  margin-bottom: 1rem;
  box-shadow: 6px 6px 0 var(--shadow);
}

.tabs a {
  text-align: center;
  padding: 0.45rem 0.4rem;
  color: var(--text);
  text-decoration: none;
  border-right: 1px solid var(--line);
  background: var(--panel);
}

.tabs a:last-child { border-right: none; }

.tabs a:hover,
.tabs a:focus-visible { background: #142018; text-decoration: none; }

.tabs a.is-current {
  background: var(--select-bg);
  color: var(--select-fg);
}

.body-copy {
  margin: 0;
  padding: 1rem 1.1rem 1.2rem;
  color: var(--text);
}

.body-copy p {
  margin: 0 0 0.75rem;
  color: var(--dim);
}

.body-copy p:last-child { margin-bottom: 0; }

.listing {
  margin: 0;
  padding: 0.2rem 0 0.8rem;
  list-style: none;
  font-variant-numeric: tabular-nums;
}

.listing li {
  display: grid;
  grid-template-columns: 11ch 1fr;
  gap: 0.8rem;
  padding: 0.35rem 1.1rem;
}

.listing .k { color: var(--dim); }
.listing .v { color: var(--text); }

.empty > .listing {
  margin: 0 -1.1rem;
  padding: 0 0 0.4rem;
}

.empty {
  padding: 1rem 1.1rem 1.2rem;
  color: var(--dim);
}

.empty code {
  color: var(--accent);
  font-family: inherit;
}

@media (max-width: 520px) {
  .menu a {
    grid-template-columns: 1.1rem 1.8rem 1fr;
  }
  .menu .hint { display: none; }
  .status { flex-direction: column; gap: 0.15rem; }
  .tabs a { padding: 0.45rem 0.2rem; font-size: 0.72rem; }
}